[vala/wip/tintou/fix-gstreamer-base-vapi-name] Rename gstreamer-base-1.0.vapi to reflect the pkg-config name

From: Corentin Noël <corentinnoel src gnome org>
To: commits-list gnome org
Cc:
Subject: [vala/wip/tintou/fix-gstreamer-base-vapi-name] Rename gstreamer-base-1.0.vapi to reflect the pkg-config name
Date: Mon, 9 Oct 2017 16:14:13 +0000 (UTC)
commit 1e5d88ce8c9cb287e7a73e89f2a2a25a7ac84bca
Author: Corentin Noël <corentin elementary io>
Date:   Mon Oct 9 18:12:41 2017 +0200

    Rename gstreamer-base-1.0.vapi to reflect the pkg-config name

 vapi/Makefile.am                     |    2 +
 vapi/gstreamer-base-1.0.deps         |    2 +-
 vapi/gstreamer-base-1.0.vapi         |  817 +---------------------------------
 vapi/gstreamer-plugins-base-1.0.deps |    1 +
 vapi/gstreamer-plugins-base-1.0.vapi |  816 +++++++++++++++++++++++++++++++++
 5 files changed, 821 insertions(+), 817 deletions(-)
---
diff --git a/vapi/Makefile.am b/vapi/Makefile.am
index 6c0271e..47962d2 100644
--- a/vapi/Makefile.am
+++ b/vapi/Makefile.am
@@ -148,6 +148,8 @@ dist_vapi_DATA = \
        gstreamer-pbutils-1.0.deps \
        gstreamer-player-1.0.vapi \
        gstreamer-player-1.0.deps \
+       gstreamer-plugins-base-1.0.vapi \
+       gstreamer-plugins-base-1.0.deps \
        gstreamer-riff-1.0.deps \
        gstreamer-riff-1.0.vapi \
        gstreamer-rtp-1.0.vapi \
diff --git a/vapi/gstreamer-base-1.0.deps b/vapi/gstreamer-base-1.0.deps
deleted file mode 100644
index 26a0edb..0000000
--- a/vapi/gstreamer-base-1.0.deps
+++ /dev/null
@@ -1 +0,0 @@
-gstreamer-1.0
diff --git a/vapi/gstreamer-base-1.0.deps b/vapi/gstreamer-base-1.0.deps
new file mode 120000
index 0000000..502b9e6
--- /dev/null
+++ b/vapi/gstreamer-base-1.0.deps
@@ -0,0 +1 @@
+/home/tintou/vala/vapi/gstreamer-plugins-base-1.0.deps
\ No newline at end of file
diff --git a/vapi/gstreamer-base-1.0.vapi b/vapi/gstreamer-base-1.0.vapi
deleted file mode 100644
index 70d8b1c..0000000
--- a/vapi/gstreamer-base-1.0.vapi
+++ /dev/null
@@ -1,816 +0,0 @@
-/* gstreamer-base-1.0.vapi generated by vapigen, do not modify. */
-
-[CCode (cprefix = "Gst", gir_namespace = "GstBase", gir_version = "1.0", lower_case_cprefix = "gst_")]
-namespace Gst {
-       namespace Base {
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstAdapter", lower_case_cprefix = 
"gst_adapter_", type_id = "gst_adapter_get_type ()")]
-               [GIR (name = "Adapter")]
-               public class Adapter : GLib.Object {
-                       [CCode (has_construct_function = false)]
-                       public Adapter ();
-                       public size_t available ();
-                       public size_t available_fast ();
-                       public void clear ();
-                       public void copy ([CCode (array_length_cname = "size", array_length_pos = 2.1, 
array_length_type = "gsize")] out unowned uint8[] dest, size_t offset);
-                       [Version (since = "1.4")]
-                       public GLib.Bytes copy_bytes (size_t offset, size_t size);
-                       public uint64 distance_from_discont ();
-                       [Version (since = "1.10")]
-                       public Gst.ClockTime dts_at_discont ();
-                       public void flush (size_t flush);
-                       [Version (since = "1.6")]
-                       public Gst.Buffer? get_buffer (size_t nbytes);
-                       [Version (since = "1.6")]
-                       public Gst.Buffer? get_buffer_fast (size_t nbytes);
-                       [Version (since = "1.6")]
-                       public Gst.BufferList? get_buffer_list (size_t nbytes);
-                       [Version (since = "1.6")]
-                       public GLib.List<Gst.Buffer>? get_list (size_t nbytes);
-                       [CCode (array_length = false)]
-                       public unowned uint8[]? map (size_t size);
-                       public ssize_t masked_scan_uint32 (uint32 mask, uint32 pattern, size_t offset, size_t 
size);
-                       public ssize_t masked_scan_uint32_peek (uint32 mask, uint32 pattern, size_t offset, 
size_t size, out uint32 value);
-                       [Version (since = "1.10")]
-                       public uint64 offset_at_discont ();
-                       public Gst.ClockTime prev_dts (out uint64 distance);
-                       [Version (since = "1.2")]
-                       public Gst.ClockTime prev_dts_at_offset (size_t offset, out uint64 distance);
-                       [Version (since = "1.10")]
-                       public uint64 prev_offset (out uint64 distance);
-                       public Gst.ClockTime prev_pts (out uint64 distance);
-                       [Version (since = "1.2")]
-                       public Gst.ClockTime prev_pts_at_offset (size_t offset, out uint64 distance);
-                       [Version (since = "1.10")]
-                       public Gst.ClockTime pts_at_discont ();
-                       public void push (owned Gst.Buffer buf);
-                       [CCode (array_length = false)]
-                       public uint8[]? take (size_t nbytes);
-                       public Gst.Buffer? take_buffer (size_t nbytes);
-                       [Version (since = "1.2")]
-                       public Gst.Buffer? take_buffer_fast (size_t nbytes);
-                       [Version (since = "1.6")]
-                       public Gst.BufferList? take_buffer_list (size_t nbytes);
-                       public GLib.List<Gst.Buffer>? take_list (size_t nbytes);
-                       public void unmap ();
-               }
-               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
-               [Compact]
-               [GIR (name = "BitReader")]
-               public class BitReader {
-                       public uint bit;
-                       public uint byte;
-                       [CCode (array_length_cname = "size", array_length_type = "guint")]
-                       public weak uint8[] data;
-                       public uint size;
-                       public BitReader ([CCode (array_length_type = "guint")] uint8[] data);
-                       [CCode (cname = "gst_bit_reader_free")]
-                       public void free ();
-                       [CCode (cname = "gst_bit_reader_get_bits_uint16")]
-                       public bool get_bits_uint16 (out uint16 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_get_bits_uint32")]
-                       public bool get_bits_uint32 (out uint32 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_get_bits_uint64")]
-                       public bool get_bits_uint64 (out uint64 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_get_bits_uint8")]
-                       public bool get_bits_uint8 (out uint8 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_get_pos")]
-                       public uint get_pos ();
-                       [CCode (cname = "gst_bit_reader_get_remaining")]
-                       public uint get_remaining ();
-                       [CCode (cname = "gst_bit_reader_get_size")]
-                       public uint get_size ();
-                       [CCode (cname = "gst_bit_reader_init")]
-                       public void init ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
-                       [CCode (cname = "gst_bit_reader_peek_bits_uint16")]
-                       public bool peek_bits_uint16 (out uint16 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_peek_bits_uint32")]
-                       public bool peek_bits_uint32 (out uint32 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_peek_bits_uint64")]
-                       public bool peek_bits_uint64 (out uint64 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_peek_bits_uint8")]
-                       public bool peek_bits_uint8 (out uint8 val, uint nbits);
-                       [CCode (cname = "gst_bit_reader_set_pos")]
-                       public bool set_pos (uint pos);
-                       [CCode (cname = "gst_bit_reader_skip")]
-                       public bool skip (uint nbits);
-                       [CCode (cname = "gst_bit_reader_skip_to_byte")]
-                       public bool skip_to_byte ();
-               }
-               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
-               [Compact]
-               [GIR (name = "ByteReader")]
-               public class ByteReader {
-                       public uint byte;
-                       [CCode (array_length_cname = "size", array_length_type = "guint")]
-                       public weak uint8[] data;
-                       public uint size;
-                       public ByteReader ([CCode (array_length_type = "guint")] uint8[] data);
-                       [CCode (cname = "gst_byte_reader_dup_data")]
-                       public bool dup_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out uint8[] val);
-                       [CCode (cname = "gst_byte_reader_dup_string_utf16")]
-                       public bool dup_string_utf16 ([CCode (array_length = false, array_null_terminated = 
true)] out uint16[] str);
-                       [CCode (cname = "gst_byte_reader_dup_string_utf32")]
-                       public bool dup_string_utf32 ([CCode (array_length = false, array_null_terminated = 
true)] out uint32[] str);
-                       [CCode (cname = "gst_byte_reader_dup_string_utf8")]
-                       public bool dup_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out string[] str);
-                       [CCode (cname = "gst_byte_reader_free")]
-                       public void free ();
-                       [CCode (cname = "gst_byte_reader_get_data")]
-                       public bool get_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out unowned uint8[] val);
-                       [CCode (cname = "gst_byte_reader_get_float32_be")]
-                       public bool get_float32_be (out float val);
-                       [CCode (cname = "gst_byte_reader_get_float32_le")]
-                       public bool get_float32_le (out float val);
-                       [CCode (cname = "gst_byte_reader_get_float64_be")]
-                       public bool get_float64_be (out double val);
-                       [CCode (cname = "gst_byte_reader_get_float64_le")]
-                       public bool get_float64_le (out double val);
-                       [CCode (cname = "gst_byte_reader_get_int16_be")]
-                       public bool get_int16_be (out int16 val);
-                       [CCode (cname = "gst_byte_reader_get_int16_le")]
-                       public bool get_int16_le (out int16 val);
-                       [CCode (cname = "gst_byte_reader_get_int24_be")]
-                       public bool get_int24_be (out int32 val);
-                       [CCode (cname = "gst_byte_reader_get_int24_le")]
-                       public bool get_int24_le (out int32 val);
-                       [CCode (cname = "gst_byte_reader_get_int32_be")]
-                       public bool get_int32_be (out int32 val);
-                       [CCode (cname = "gst_byte_reader_get_int32_le")]
-                       public bool get_int32_le (out int32 val);
-                       [CCode (cname = "gst_byte_reader_get_int64_be")]
-                       public bool get_int64_be (out int64 val);
-                       [CCode (cname = "gst_byte_reader_get_int64_le")]
-                       public bool get_int64_le (out int64 val);
-                       [CCode (cname = "gst_byte_reader_get_int8")]
-                       public bool get_int8 (out int8 val);
-                       [CCode (cname = "gst_byte_reader_get_pos")]
-                       public uint get_pos ();
-                       [CCode (cname = "gst_byte_reader_get_remaining")]
-                       public uint get_remaining ();
-                       [CCode (cname = "gst_byte_reader_get_size")]
-                       public uint get_size ();
-                       [CCode (cname = "gst_byte_reader_get_string_utf8")]
-                       public bool get_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out unowned string[] str);
-                       [CCode (cname = "gst_byte_reader_get_uint16_be")]
-                       public bool get_uint16_be (out uint16 val);
-                       [CCode (cname = "gst_byte_reader_get_uint16_le")]
-                       public bool get_uint16_le (out uint16 val);
-                       [CCode (cname = "gst_byte_reader_get_uint24_be")]
-                       public bool get_uint24_be (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_get_uint24_le")]
-                       public bool get_uint24_le (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_get_uint32_be")]
-                       public bool get_uint32_be (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_get_uint32_le")]
-                       public bool get_uint32_le (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_get_uint64_be")]
-                       public bool get_uint64_be (out uint64 val);
-                       [CCode (cname = "gst_byte_reader_get_uint64_le")]
-                       public bool get_uint64_le (out uint64 val);
-                       [CCode (cname = "gst_byte_reader_get_uint8")]
-                       public bool get_uint8 (out uint8 val);
-                       [CCode (cname = "gst_byte_reader_init")]
-                       public void init ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
-                       [CCode (cname = "gst_byte_reader_masked_scan_uint32")]
-                       public uint masked_scan_uint32 (uint32 mask, uint32 pattern, uint offset, uint size);
-                       [CCode (cname = "gst_byte_reader_masked_scan_uint32_peek")]
-                       [Version (since = "1.6")]
-                       public uint masked_scan_uint32_peek (uint32 mask, uint32 pattern, uint offset, uint 
size, uint32 value);
-                       [CCode (cname = "gst_byte_reader_peek_data")]
-                       public bool peek_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out unowned uint8[] val);
-                       [CCode (cname = "gst_byte_reader_peek_float32_be")]
-                       public bool peek_float32_be (out float val);
-                       [CCode (cname = "gst_byte_reader_peek_float32_le")]
-                       public bool peek_float32_le (out float val);
-                       [CCode (cname = "gst_byte_reader_peek_float64_be")]
-                       public bool peek_float64_be (out double val);
-                       [CCode (cname = "gst_byte_reader_peek_float64_le")]
-                       public bool peek_float64_le (out double val);
-                       [CCode (cname = "gst_byte_reader_peek_int16_be")]
-                       public bool peek_int16_be (out int16 val);
-                       [CCode (cname = "gst_byte_reader_peek_int16_le")]
-                       public bool peek_int16_le (out int16 val);
-                       [CCode (cname = "gst_byte_reader_peek_int24_be")]
-                       public bool peek_int24_be (out int32 val);
-                       [CCode (cname = "gst_byte_reader_peek_int24_le")]
-                       public bool peek_int24_le (out int32 val);
-                       [CCode (cname = "gst_byte_reader_peek_int32_be")]
-                       public bool peek_int32_be (out int32 val);
-                       [CCode (cname = "gst_byte_reader_peek_int32_le")]
-                       public bool peek_int32_le (out int32 val);
-                       [CCode (cname = "gst_byte_reader_peek_int64_be")]
-                       public bool peek_int64_be (out int64 val);
-                       [CCode (cname = "gst_byte_reader_peek_int64_le")]
-                       public bool peek_int64_le (out int64 val);
-                       [CCode (cname = "gst_byte_reader_peek_int8")]
-                       public bool peek_int8 (out int8 val);
-                       [CCode (cname = "gst_byte_reader_peek_string_utf8")]
-                       public bool peek_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out unowned string[] str);
-                       [CCode (cname = "gst_byte_reader_peek_uint16_be")]
-                       public bool peek_uint16_be (out uint16 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint16_le")]
-                       public bool peek_uint16_le (out uint16 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint24_be")]
-                       public bool peek_uint24_be (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint24_le")]
-                       public bool peek_uint24_le (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint32_be")]
-                       public bool peek_uint32_be (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint32_le")]
-                       public bool peek_uint32_le (out uint32 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint64_be")]
-                       public bool peek_uint64_be (out uint64 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint64_le")]
-                       public bool peek_uint64_le (out uint64 val);
-                       [CCode (cname = "gst_byte_reader_peek_uint8")]
-                       public bool peek_uint8 (out uint8 val);
-                       [CCode (cname = "gst_byte_reader_set_pos")]
-                       public bool set_pos (uint pos);
-                       [CCode (cname = "gst_byte_reader_skip")]
-                       public bool skip (uint nbytes);
-                       [CCode (cname = "gst_byte_reader_skip_string_utf16")]
-                       public bool skip_string_utf16 ();
-                       [CCode (cname = "gst_byte_reader_skip_string_utf32")]
-                       public bool skip_string_utf32 ();
-                       [CCode (cname = "gst_byte_reader_skip_string_utf8")]
-                       public bool skip_string_utf8 ();
-               }
-               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
-               [Compact]
-               [GIR (name = "ByteWriter")]
-               public class ByteWriter {
-                       public uint alloc_size;
-                       public bool fixed;
-                       public bool @owned;
-                       public weak Gst.Base.ByteReader parent;
-                       public ByteWriter ();
-                       [CCode (cname = "gst_byte_writer_ensure_free_space")]
-                       public bool ensure_free_space (uint size);
-                       [CCode (cname = "gst_byte_writer_fill")]
-                       public bool fill (uint8 value, uint size);
-                       [CCode (cname = "gst_byte_writer_free")]
-                       public void free ();
-                       [CCode (cname = "gst_byte_writer_free_and_get_buffer")]
-                       public Gst.Buffer free_and_get_buffer ();
-                       [CCode (cname = "gst_byte_writer_free_and_get_data")]
-                       public uint8 free_and_get_data ();
-                       [CCode (cname = "gst_byte_writer_get_remaining")]
-                       public uint get_remaining ();
-                       [CCode (cname = "gst_byte_writer_init")]
-                       public void init ();
-                       [CCode (cname = "gst_byte_writer_init_with_data")]
-                       public void init_with_data ([CCode (array_length_cname = "size", array_length_pos = 
1.5, array_length_type = "guint")] uint8[] data, bool initialized);
-                       [CCode (cname = "gst_byte_writer_init_with_size")]
-                       public void init_with_size (uint size, bool fixed);
-                       [CCode (cname = "gst_byte_writer_put_buffer")]
-                       public bool put_buffer (Gst.Buffer buffer, size_t offset, ssize_t size);
-                       [CCode (cname = "gst_byte_writer_put_data")]
-                       public bool put_data ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
-                       [CCode (cname = "gst_byte_writer_put_float32_be")]
-                       public bool put_float32_be (float val);
-                       [CCode (cname = "gst_byte_writer_put_float32_le")]
-                       public bool put_float32_le (float val);
-                       [CCode (cname = "gst_byte_writer_put_float64_be")]
-                       public bool put_float64_be (double val);
-                       [CCode (cname = "gst_byte_writer_put_float64_le")]
-                       public bool put_float64_le (double val);
-                       [CCode (cname = "gst_byte_writer_put_int16_be")]
-                       public bool put_int16_be (int16 val);
-                       [CCode (cname = "gst_byte_writer_put_int16_le")]
-                       public bool put_int16_le (int16 val);
-                       [CCode (cname = "gst_byte_writer_put_int24_be")]
-                       public bool put_int24_be (int32 val);
-                       [CCode (cname = "gst_byte_writer_put_int24_le")]
-                       public bool put_int24_le (int32 val);
-                       [CCode (cname = "gst_byte_writer_put_int32_be")]
-                       public bool put_int32_be (int32 val);
-                       [CCode (cname = "gst_byte_writer_put_int32_le")]
-                       public bool put_int32_le (int32 val);
-                       [CCode (cname = "gst_byte_writer_put_int64_be")]
-                       public bool put_int64_be (int64 val);
-                       [CCode (cname = "gst_byte_writer_put_int64_le")]
-                       public bool put_int64_le (int64 val);
-                       [CCode (cname = "gst_byte_writer_put_int8")]
-                       public bool put_int8 (int8 val);
-                       [CCode (cname = "gst_byte_writer_put_string_utf16")]
-                       public bool put_string_utf16 ([CCode (array_length = false, array_null_terminated = 
true)] uint16[] data);
-                       [CCode (cname = "gst_byte_writer_put_string_utf32")]
-                       public bool put_string_utf32 ([CCode (array_length = false, array_null_terminated = 
true)] uint32[] data);
-                       [CCode (cname = "gst_byte_writer_put_string_utf8")]
-                       public bool put_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] string[] data);
-                       [CCode (cname = "gst_byte_writer_put_uint16_be")]
-                       public bool put_uint16_be (uint16 val);
-                       [CCode (cname = "gst_byte_writer_put_uint16_le")]
-                       public bool put_uint16_le (uint16 val);
-                       [CCode (cname = "gst_byte_writer_put_uint24_be")]
-                       public bool put_uint24_be (uint32 val);
-                       [CCode (cname = "gst_byte_writer_put_uint24_le")]
-                       public bool put_uint24_le (uint32 val);
-                       [CCode (cname = "gst_byte_writer_put_uint32_be")]
-                       public bool put_uint32_be (uint32 val);
-                       [CCode (cname = "gst_byte_writer_put_uint32_le")]
-                       public bool put_uint32_le (uint32 val);
-                       [CCode (cname = "gst_byte_writer_put_uint64_be")]
-                       public bool put_uint64_be (uint64 val);
-                       [CCode (cname = "gst_byte_writer_put_uint64_le")]
-                       public bool put_uint64_le (uint64 val);
-                       [CCode (cname = "gst_byte_writer_put_uint8")]
-                       public bool put_uint8 (uint8 val);
-                       [CCode (cname = "gst_byte_writer_reset")]
-                       public void reset ();
-                       [CCode (cname = "gst_byte_writer_reset_and_get_buffer")]
-                       public Gst.Buffer reset_and_get_buffer ();
-                       [CCode (array_length = false, cname = "gst_byte_writer_reset_and_get_data")]
-                       public uint8[] reset_and_get_data ();
-                       public ByteWriter.with_data ([CCode (array_length_type = "guint")] uint8[] data, uint 
size, bool initialized);
-                       public ByteWriter.with_size (uint size, bool fixed);
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPads", lower_case_cprefix = 
"gst_collect_pads_", type_id = "gst_collect_pads_get_type ()")]
-               [GIR (name = "CollectPads")]
-               public class CollectPads : Gst.Object {
-                       public weak GLib.SList<Gst.Base.CollectData?> data;
-                       [CCode (has_construct_function = false)]
-                       public CollectPads ();
-                       public unowned Gst.Base.CollectData? add_pad (Gst.Pad pad, uint size, [CCode (scope = 
"async")] Gst.Base.CollectDataDestroyNotify destroy_notify, bool @lock);
-                       public uint available ();
-                       public Gst.FlowReturn clip_running_time (Gst.Base.CollectData cdata, Gst.Buffer buf, 
Gst.Buffer? outbuf, void* user_data);
-                       public bool event_default (Gst.Base.CollectData data, Gst.Event event, bool discard);
-                       public uint flush (Gst.Base.CollectData data, uint size);
-                       public Gst.Buffer? peek (Gst.Base.CollectData data);
-                       public Gst.Buffer? pop (Gst.Base.CollectData data);
-                       public bool query_default (Gst.Base.CollectData data, Gst.Query query, bool discard);
-                       public Gst.Buffer? read_buffer (Gst.Base.CollectData data, uint size);
-                       public bool remove_pad (Gst.Pad pad);
-                       public void set_buffer_function (Gst.Base.CollectPadsBufferFunction func);
-                       public void set_clip_function (Gst.Base.CollectPadsClipFunction clipfunc);
-                       public void set_compare_function (Gst.Base.CollectPadsCompareFunction func);
-                       public void set_event_function (Gst.Base.CollectPadsEventFunction func);
-                       [Version (since = "1.4")]
-                       public void set_flush_function (Gst.Base.CollectPadsFlushFunction func);
-                       public void set_flushing (bool flushing);
-                       public void set_function (Gst.Base.CollectPadsFunction func);
-                       public void set_query_function (Gst.Base.CollectPadsQueryFunction func);
-                       public void set_waiting (Gst.Base.CollectData data, bool waiting);
-                       [Version (since = "1.4")]
-                       public bool src_event_default (Gst.Pad pad, Gst.Event event);
-                       public void start ();
-                       public void stop ();
-                       public Gst.Buffer? take_buffer (Gst.Base.CollectData data, uint size);
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueue", lower_case_cprefix = 
"gst_data_queue_", type_id = "gst_data_queue_get_type ()")]
-               [GIR (name = "DataQueue")]
-               public class DataQueue : GLib.Object {
-                       [CCode (has_construct_function = false)]
-                       protected DataQueue ();
-                       [NoWrapper]
-                       public virtual void empty ();
-                       [NoWrapper]
-                       public virtual void full ();
-                       [NoAccessorMethod]
-                       public uint current_level_bytes { get; }
-                       [NoAccessorMethod]
-                       public uint64 current_level_time { get; }
-                       [NoAccessorMethod]
-                       public uint current_level_visible { get; }
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstFlowCombiner", copy_function = 
"g_boxed_copy", free_function = "g_boxed_free", lower_case_cprefix = "gst_flow_combiner_", type_id = 
"gst_flow_combiner_get_type ()")]
-               [Compact]
-               [GIR (name = "FlowCombiner")]
-               [Version (since = "1.4")]
-               public class FlowCombiner {
-                       [CCode (has_construct_function = false)]
-                       public FlowCombiner ();
-                       public void add_pad (Gst.Pad pad);
-                       [Version (since = "1.6")]
-                       public void clear ();
-                       public void free ();
-                       public unowned Gst.Base.FlowCombiner @ref ();
-                       public void remove_pad (Gst.Pad pad);
-                       [Version (since = "1.6")]
-                       public void reset ();
-                       public void unref ();
-                       public Gst.FlowReturn update_flow (Gst.FlowReturn fret);
-                       [Version (since = "1.6")]
-                       public Gst.FlowReturn update_pad_flow (Gst.Pad pad, Gst.FlowReturn fret);
-               }
-               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_parse_get_type ()")]
-               [GIR (name = "BaseParse")]
-               public abstract class Parse : Gst.Element {
-                       public uint flags;
-                       public weak Gst.Segment segment;
-                       public weak Gst.Pad sinkpad;
-                       public weak Gst.Pad srcpad;
-                       [CCode (has_construct_function = false)]
-                       protected Parse ();
-                       public bool add_index_entry (uint64 offset, Gst.ClockTime ts, bool key, bool force);
-                       [NoWrapper]
-                       public virtual bool convert (Gst.Format src_format, int64 src_value, Gst.Format 
dest_format, int64 dest_value);
-                       public bool convert_default (Gst.Format src_format, int64 src_value, Gst.Format 
dest_format, int64 dest_value);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn detect (Gst.Buffer buffer);
-                       [Version (since = "1.12")]
-                       public void drain ();
-                       public Gst.FlowReturn finish_frame (Gst.Base.ParseFrame frame, int size);
-                       [NoWrapper]
-                       public virtual Gst.Caps get_sink_caps (Gst.Caps filter);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn handle_frame (Gst.Base.ParseFrame frame, int skipsize);
-                       [Version (since = "1.6")]
-                       public void merge_tags (Gst.TagList? tags, Gst.TagMergeMode mode);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn pre_push_frame (Gst.Base.ParseFrame frame);
-                       public Gst.FlowReturn push_frame (Gst.Base.ParseFrame frame);
-                       public void set_average_bitrate (uint bitrate);
-                       public void set_duration (Gst.Format fmt, int64 duration, int interval);
-                       public void set_frame_rate (uint fps_num, uint fps_den, uint lead_in, uint lead_out);
-                       public void set_has_timing_info (bool has_timing);
-                       public void set_infer_ts (bool infer_ts);
-                       public void set_latency (Gst.ClockTime min_latency, Gst.ClockTime max_latency);
-                       public void set_min_frame_size (uint min_size);
-                       public void set_passthrough (bool passthrough);
-                       public void set_pts_interpolation (bool pts_interpolate);
-                       [NoWrapper]
-                       public virtual bool set_sink_caps (Gst.Caps caps);
-                       public void set_syncable (bool syncable);
-                       [Version (since = "1.2")]
-                       public void set_ts_at_offset (size_t offset);
-                       [NoWrapper]
-                       public virtual bool sink_event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual bool sink_query (Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool src_event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual bool src_query (Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool start ();
-                       [NoWrapper]
-                       public virtual bool stop ();
-                       [NoAccessorMethod]
-                       public bool disable_passthrough { get; set; }
-               }
-               [CCode (cheader_filename = "gst/base/base.h", copy_function = "g_boxed_copy", free_function = 
"g_boxed_free", type_id = "gst_base_parse_frame_get_type ()")]
-               [Compact]
-               [GIR (name = "BaseParseFrame")]
-               public class ParseFrame {
-                       public weak Gst.Buffer buffer;
-                       public uint flags;
-                       public uint64 offset;
-                       public weak Gst.Buffer out_buffer;
-                       public int overhead;
-                       [CCode (has_construct_function = false)]
-                       public ParseFrame (Gst.Buffer buffer, Gst.Base.ParseFrameFlags flags, int overhead);
-                       public Gst.Base.ParseFrame copy ();
-                       public void free ();
-                       public void init ();
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstPushSrc", lower_case_cprefix = 
"gst_push_src_", type_id = "gst_push_src_get_type ()")]
-               [GIR (name = "PushSrc")]
-               public class PushSrc : Gst.Base.Src {
-                       [CCode (has_construct_function = false)]
-                       protected PushSrc ();
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn alloc (out Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn create (out Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn fill (Gst.Buffer buf);
-               }
-               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_sink_get_type ()")]
-               [GIR (name = "BaseSink")]
-               public abstract class Sink : Gst.Element {
-                       public bool can_activate_pull;
-                       public bool can_activate_push;
-                       public bool eos;
-                       public bool have_newsegment;
-                       public bool have_preroll;
-                       public bool need_preroll;
-                       public uint64 offset;
-                       public Gst.PadMode pad_mode;
-                       public bool playing_async;
-                       public GLib.Cond preroll_cond;
-                       public GLib.Mutex preroll_lock;
-                       public weak Gst.Segment segment;
-                       public weak Gst.Pad sinkpad;
-                       [CCode (has_construct_function = false)]
-                       protected Sink ();
-                       [NoWrapper]
-                       public virtual bool activate_pull (bool active);
-                       public Gst.FlowReturn do_preroll (Gst.MiniObject obj);
-                       [NoWrapper]
-                       public virtual bool event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual Gst.Caps fixate (Gst.Caps caps);
-                       public uint get_blocksize ();
-                       [NoWrapper]
-                       public virtual Gst.Caps get_caps (Gst.Caps filter);
-                       [Version (since = "1.12")]
-                       public bool get_drop_out_of_segment ();
-                       public Gst.Sample? get_last_sample ();
-                       public Gst.ClockTime get_latency ();
-                       [Version (since = "1.2")]
-                       public uint64 get_max_bitrate ();
-                       public int64 get_max_lateness ();
-                       public Gst.ClockTime get_render_delay ();
-                       public bool get_sync ();
-                       public uint64 get_throttle_time ();
-                       [NoWrapper]
-                       public virtual void get_times (Gst.Buffer buffer, Gst.ClockTime start, Gst.ClockTime 
end);
-                       public Gst.ClockTimeDiff get_ts_offset ();
-                       public bool is_async_enabled ();
-                       public bool is_last_sample_enabled ();
-                       public bool is_qos_enabled ();
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn prepare (Gst.Buffer buffer);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn prepare_list (Gst.BufferList buffer_list);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn preroll (Gst.Buffer buffer);
-                       [NoWrapper]
-                       public virtual bool propose_allocation (Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool query (Gst.Query query);
-                       public bool query_latency (out bool live, out bool upstream_live, out Gst.ClockTime 
min_latency, out Gst.ClockTime max_latency);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn render (Gst.Buffer buffer);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn render_list (Gst.BufferList buffer_list);
-                       public void set_async_enabled (bool enabled);
-                       public void set_blocksize (uint blocksize);
-                       [NoWrapper]
-                       public virtual bool set_caps (Gst.Caps caps);
-                       [Version (since = "1.12")]
-                       public void set_drop_out_of_segment (bool drop_out_of_segment);
-                       public void set_last_sample_enabled (bool enabled);
-                       [Version (since = "1.2")]
-                       public void set_max_bitrate (uint64 max_bitrate);
-                       public void set_max_lateness (int64 max_lateness);
-                       public void set_qos_enabled (bool enabled);
-                       public void set_render_delay (Gst.ClockTime delay);
-                       public void set_sync (bool sync);
-                       public void set_throttle_time (uint64 throttle);
-                       public void set_ts_offset (Gst.ClockTimeDiff offset);
-                       [NoWrapper]
-                       public virtual bool start ();
-                       [NoWrapper]
-                       public virtual bool stop ();
-                       [NoWrapper]
-                       public virtual bool unlock ();
-                       [NoWrapper]
-                       public virtual bool unlock_stop ();
-                       public Gst.FlowReturn wait (Gst.ClockTime time, out Gst.ClockTimeDiff jitter);
-                       public Gst.ClockReturn wait_clock (Gst.ClockTime time, out Gst.ClockTimeDiff jitter);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn wait_event (Gst.Event event);
-                       public Gst.FlowReturn wait_preroll ();
-                       [NoAccessorMethod]
-                       public bool @async { get; set; }
-                       public uint blocksize { get; set; }
-                       [NoAccessorMethod]
-                       public bool enable_last_sample { get; set; }
-                       public Gst.Sample last_sample { owned get; }
-                       [Version (since = "1.2")]
-                       public uint64 max_bitrate { get; set; }
-                       public int64 max_lateness { get; set; }
-                       [NoAccessorMethod]
-                       public bool qos { get; set; }
-                       public uint64 render_delay { get; set; }
-                       public bool sync { get; set; }
-                       public uint64 throttle_time { get; set; }
-                       public int64 ts_offset { get; set; }
-               }
-               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_src_get_type ()")]
-               [GIR (name = "BaseSrc")]
-               public abstract class Src : Gst.Element {
-                       public bool can_activate_push;
-                       public Gst.ClockID clock_id;
-                       public GLib.Cond live_cond;
-                       public GLib.Mutex live_lock;
-                       public bool live_running;
-                       public bool need_newsegment;
-                       public int num_buffers_left;
-                       public weak Gst.Event pending_seek;
-                       public bool random_access;
-                       public bool running;
-                       public weak Gst.Segment segment;
-                       public weak Gst.Pad srcpad;
-                       [CCode (has_construct_function = false)]
-                       protected Src ();
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn alloc (uint64 offset, uint size, Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn create (uint64 offset, uint size, Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual bool decide_allocation (Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool do_seek (Gst.Segment segment);
-                       [NoWrapper]
-                       public virtual bool event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn fill (uint64 offset, uint size, Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual Gst.Caps fixate (Gst.Caps caps);
-                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
-                       public uint get_blocksize ();
-                       public Gst.BufferPool get_buffer_pool ();
-                       [NoWrapper]
-                       public virtual Gst.Caps get_caps (Gst.Caps filter);
-                       public bool get_do_timestamp ();
-                       [NoWrapper]
-                       public virtual bool get_size (uint64 size);
-                       [NoWrapper]
-                       public virtual void get_times (Gst.Buffer buffer, Gst.ClockTime start, Gst.ClockTime 
end);
-                       public bool is_async ();
-                       [NoWrapper]
-                       public virtual bool is_seekable ();
-                       [NoWrapper]
-                       public virtual bool negotiate ();
-                       public bool new_seamless_segment (int64 start, int64 stop, int64 time);
-                       [NoWrapper]
-                       public virtual bool prepare_seek_segment (Gst.Event seek, Gst.Segment segment);
-                       [NoWrapper]
-                       public virtual bool query (Gst.Query query);
-                       public bool query_latency (out bool live, out Gst.ClockTime min_latency, out 
Gst.ClockTime max_latency);
-                       public void set_async (bool @async);
-                       [Version (since = "1.4")]
-                       public void set_automatic_eos (bool automatic_eos);
-                       public void set_blocksize (uint blocksize);
-                       public virtual bool set_caps (Gst.Caps caps);
-                       public void set_do_timestamp (bool timestamp);
-                       public void set_dynamic_size (bool @dynamic);
-                       public void set_format (Gst.Format format);
-                       public void set_live (bool live);
-                       [NoWrapper]
-                       public virtual bool start ();
-                       public void start_complete (Gst.FlowReturn ret);
-                       public Gst.FlowReturn start_wait ();
-                       [NoWrapper]
-                       public virtual bool stop ();
-                       [NoWrapper]
-                       public virtual bool unlock ();
-                       [NoWrapper]
-                       public virtual bool unlock_stop ();
-                       public Gst.FlowReturn wait_playing ();
-                       public uint blocksize { get; set; }
-                       public bool do_timestamp { get; set; }
-                       [NoAccessorMethod]
-                       public int num_buffers { get; set; }
-                       [NoAccessorMethod]
-                       public bool typefind { get; set; }
-               }
-               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_transform_get_type ()")]
-               [GIR (name = "BaseTransform")]
-               public abstract class Transform : Gst.Element {
-                       public bool have_segment;
-                       public weak Gst.Buffer queued_buf;
-                       public weak Gst.Segment segment;
-                       public weak Gst.Pad sinkpad;
-                       public weak Gst.Pad srcpad;
-                       [CCode (has_construct_function = false)]
-                       protected Transform ();
-                       [NoWrapper]
-                       public virtual bool accept_caps (Gst.PadDirection direction, Gst.Caps caps);
-                       [NoWrapper]
-                       public virtual void before_transform (Gst.Buffer buffer);
-                       [NoWrapper]
-                       public virtual bool copy_metadata (Gst.Buffer input, Gst.Buffer outbuf);
-                       [NoWrapper]
-                       public virtual bool decide_allocation (Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool filter_meta (Gst.Query query, GLib.Type api, Gst.Structure 
@params);
-                       [NoWrapper]
-                       public virtual Gst.Caps fixate_caps (Gst.PadDirection direction, Gst.Caps caps, 
Gst.Caps othercaps);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn generate_output (Gst.Buffer outbuf);
-                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
-                       public Gst.BufferPool get_buffer_pool ();
-                       [NoWrapper]
-                       public virtual bool get_unit_size (Gst.Caps caps, size_t size);
-                       public bool is_in_place ();
-                       public bool is_passthrough ();
-                       public bool is_qos_enabled ();
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn prepare_output_buffer (Gst.Buffer input, Gst.Buffer 
outbuf);
-                       [NoWrapper]
-                       public virtual bool propose_allocation (Gst.Query decide_query, Gst.Query query);
-                       [NoWrapper]
-                       public virtual bool query (Gst.PadDirection direction, Gst.Query query);
-                       public void reconfigure_sink ();
-                       public void reconfigure_src ();
-                       [NoWrapper]
-                       public virtual bool set_caps (Gst.Caps incaps, Gst.Caps outcaps);
-                       public void set_gap_aware (bool gap_aware);
-                       public void set_in_place (bool in_place);
-                       public void set_passthrough (bool passthrough);
-                       [Version (since = "1.0.1")]
-                       public void set_prefer_passthrough (bool prefer_passthrough);
-                       public void set_qos_enabled (bool enabled);
-                       [NoWrapper]
-                       public virtual bool sink_event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual bool src_event (Gst.Event event);
-                       [NoWrapper]
-                       public virtual bool start ();
-                       [NoWrapper]
-                       public virtual bool stop ();
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn submit_input_buffer (bool is_discont, Gst.Buffer input);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn transform (Gst.Buffer inbuf, Gst.Buffer outbuf);
-                       [NoWrapper]
-                       public virtual Gst.Caps transform_caps (Gst.PadDirection direction, Gst.Caps caps, 
Gst.Caps filter);
-                       [NoWrapper]
-                       public virtual Gst.FlowReturn transform_ip (Gst.Buffer buf);
-                       [NoWrapper]
-                       public virtual bool transform_meta (Gst.Buffer outbuf, Gst.Meta meta, Gst.Buffer 
inbuf);
-                       [NoWrapper]
-                       public virtual bool transform_size (Gst.PadDirection direction, Gst.Caps caps, size_t 
size, Gst.Caps othercaps, size_t othersize);
-                       public void update_qos (double proportion, Gst.ClockTimeDiff diff, Gst.ClockTime 
timestamp);
-                       [Version (since = "1.6")]
-                       public bool update_src_caps (Gst.Caps updated_caps);
-                       [NoAccessorMethod]
-                       public bool qos { get; set; }
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectData", has_type_id = false)]
-               [GIR (name = "CollectData")]
-               public struct CollectData {
-                       public weak Gst.Base.CollectPads collect;
-                       public weak Gst.Pad pad;
-                       public weak Gst.Buffer buffer;
-                       public uint pos;
-                       public weak Gst.Segment segment;
-                       [CCode (cname = "ABI.abi.dts")]
-                       public int64 ABI_abi_dts;
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsStateFlags", cprefix = 
"GST_COLLECT_PADS_STATE_", has_type_id = false)]
-               [Flags]
-               [GIR (name = "CollectPadsStateFlags")]
-               public enum CollectPadsStateFlags {
-                       EOS,
-                       FLUSHING,
-                       NEW_SEGMENT,
-                       WAITING,
-                       LOCKED
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cprefix = "GST_BASE_PARSE_FRAME_FLAG_", 
has_type_id = false)]
-               [Flags]
-               [GIR (name = "BaseParseFrameFlags")]
-               public enum ParseFrameFlags {
-                       NONE,
-                       NEW_FRAME,
-                       NO_FRAME,
-                       CLIP,
-                       DROP,
-                       QUEUE
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cprefix = "GST_BASE_SRC_FLAG_", has_type_id = 
false)]
-               [Flags]
-               [GIR (name = "BaseSrcFlags")]
-               public enum SrcFlags {
-                       STARTING,
-                       STARTED,
-                       LAST
-               }
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectDataDestroyNotify", 
has_target = false)]
-               public delegate void CollectDataDestroyNotify (Gst.Base.CollectData data);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsBufferFunction", 
instance_pos = 3.9)]
-               public delegate Gst.FlowReturn CollectPadsBufferFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data, owned Gst.Buffer buffer);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsClipFunction", 
instance_pos = 4.9)]
-               public delegate Gst.FlowReturn CollectPadsClipFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data, owned Gst.Buffer inbuffer, Gst.Buffer outbuffer);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsCompareFunction", 
instance_pos = 5.9)]
-               public delegate int CollectPadsCompareFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data1, Gst.ClockTime timestamp1, Gst.Base.CollectData data2, Gst.ClockTime timestamp2);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsEventFunction", 
instance_pos = 3.9)]
-               public delegate bool CollectPadsEventFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData pad, Gst.Event event);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsFlushFunction", 
instance_pos = 1.9)]
-               [Version (since = "1.4")]
-               public delegate void CollectPadsFlushFunction (Gst.Base.CollectPads pads);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsFunction", instance_pos 
= 1.9)]
-               public delegate Gst.FlowReturn CollectPadsFunction (Gst.Base.CollectPads pads);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsQueryFunction", 
instance_pos = 3.9)]
-               public delegate bool CollectPadsQueryFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData pad, Gst.Query query);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueueEmptyCallback", has_target 
= false)]
-               public delegate void DataQueueEmptyCallback (Gst.Base.DataQueue queue, void* checkdata);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueueFullCallback", has_target 
= false)]
-               public delegate void DataQueueFullCallback (Gst.Base.DataQueue queue, void* checkdata);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GstTypeFindHelperGetRangeFunction", 
has_target = false)]
-               public delegate Gst.FlowReturn TypeFindHelperGetRangeFunction (Gst.Object obj, Gst.Object? 
parent, uint64 offset, uint length, Gst.Buffer buffer);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_PARSE_FLAG_DRAINING")]
-               public const int PARSE_FLAG_DRAINING;
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_PARSE_FLAG_LOST_SYNC")]
-               public const int PARSE_FLAG_LOST_SYNC;
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_TRANSFORM_SINK_NAME")]
-               public const string TRANSFORM_SINK_NAME;
-               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_TRANSFORM_SRC_NAME")]
-               public const string TRANSFORM_SRC_NAME;
-               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper")]
-               public static Gst.Caps? type_find_helper (Gst.Pad src, uint64 size);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_buffer")]
-               public static Gst.Caps? type_find_helper_for_buffer (Gst.Object? obj, Gst.Buffer buf, out 
Gst.TypeFindProbability prob);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_data")]
-               public static Gst.Caps? type_find_helper_for_data (Gst.Object? obj, uint8 data, size_t size, 
out Gst.TypeFindProbability prob);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_extension")]
-               public static Gst.Caps? type_find_helper_for_extension (Gst.Object? obj, string extension);
-               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_get_range")]
-               public static Gst.Caps? type_find_helper_get_range (Gst.Object obj, Gst.Object? parent, 
Gst.Base.TypeFindHelperGetRangeFunction func, uint64 size, string extension, out Gst.TypeFindProbability 
prob);
-       }
-}
diff --git a/vapi/gstreamer-base-1.0.vapi b/vapi/gstreamer-base-1.0.vapi
new file mode 120000
index 0000000..1a5fb04
--- /dev/null
+++ b/vapi/gstreamer-base-1.0.vapi
@@ -0,0 +1 @@
+/home/tintou/vala/vapi/gstreamer-plugins-base-1.0.vapi
\ No newline at end of file
diff --git a/vapi/gstreamer-plugins-base-1.0.deps b/vapi/gstreamer-plugins-base-1.0.deps
new file mode 100644
index 0000000..26a0edb
--- /dev/null
+++ b/vapi/gstreamer-plugins-base-1.0.deps
@@ -0,0 +1 @@
+gstreamer-1.0
diff --git a/vapi/gstreamer-plugins-base-1.0.vapi b/vapi/gstreamer-plugins-base-1.0.vapi
new file mode 100644
index 0000000..70d8b1c
--- /dev/null
+++ b/vapi/gstreamer-plugins-base-1.0.vapi
@@ -0,0 +1,816 @@
+/* gstreamer-base-1.0.vapi generated by vapigen, do not modify. */
+
+[CCode (cprefix = "Gst", gir_namespace = "GstBase", gir_version = "1.0", lower_case_cprefix = "gst_")]
+namespace Gst {
+       namespace Base {
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstAdapter", lower_case_cprefix = 
"gst_adapter_", type_id = "gst_adapter_get_type ()")]
+               [GIR (name = "Adapter")]
+               public class Adapter : GLib.Object {
+                       [CCode (has_construct_function = false)]
+                       public Adapter ();
+                       public size_t available ();
+                       public size_t available_fast ();
+                       public void clear ();
+                       public void copy ([CCode (array_length_cname = "size", array_length_pos = 2.1, 
array_length_type = "gsize")] out unowned uint8[] dest, size_t offset);
+                       [Version (since = "1.4")]
+                       public GLib.Bytes copy_bytes (size_t offset, size_t size);
+                       public uint64 distance_from_discont ();
+                       [Version (since = "1.10")]
+                       public Gst.ClockTime dts_at_discont ();
+                       public void flush (size_t flush);
+                       [Version (since = "1.6")]
+                       public Gst.Buffer? get_buffer (size_t nbytes);
+                       [Version (since = "1.6")]
+                       public Gst.Buffer? get_buffer_fast (size_t nbytes);
+                       [Version (since = "1.6")]
+                       public Gst.BufferList? get_buffer_list (size_t nbytes);
+                       [Version (since = "1.6")]
+                       public GLib.List<Gst.Buffer>? get_list (size_t nbytes);
+                       [CCode (array_length = false)]
+                       public unowned uint8[]? map (size_t size);
+                       public ssize_t masked_scan_uint32 (uint32 mask, uint32 pattern, size_t offset, size_t 
size);
+                       public ssize_t masked_scan_uint32_peek (uint32 mask, uint32 pattern, size_t offset, 
size_t size, out uint32 value);
+                       [Version (since = "1.10")]
+                       public uint64 offset_at_discont ();
+                       public Gst.ClockTime prev_dts (out uint64 distance);
+                       [Version (since = "1.2")]
+                       public Gst.ClockTime prev_dts_at_offset (size_t offset, out uint64 distance);
+                       [Version (since = "1.10")]
+                       public uint64 prev_offset (out uint64 distance);
+                       public Gst.ClockTime prev_pts (out uint64 distance);
+                       [Version (since = "1.2")]
+                       public Gst.ClockTime prev_pts_at_offset (size_t offset, out uint64 distance);
+                       [Version (since = "1.10")]
+                       public Gst.ClockTime pts_at_discont ();
+                       public void push (owned Gst.Buffer buf);
+                       [CCode (array_length = false)]
+                       public uint8[]? take (size_t nbytes);
+                       public Gst.Buffer? take_buffer (size_t nbytes);
+                       [Version (since = "1.2")]
+                       public Gst.Buffer? take_buffer_fast (size_t nbytes);
+                       [Version (since = "1.6")]
+                       public Gst.BufferList? take_buffer_list (size_t nbytes);
+                       public GLib.List<Gst.Buffer>? take_list (size_t nbytes);
+                       public void unmap ();
+               }
+               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
+               [Compact]
+               [GIR (name = "BitReader")]
+               public class BitReader {
+                       public uint bit;
+                       public uint byte;
+                       [CCode (array_length_cname = "size", array_length_type = "guint")]
+                       public weak uint8[] data;
+                       public uint size;
+                       public BitReader ([CCode (array_length_type = "guint")] uint8[] data);
+                       [CCode (cname = "gst_bit_reader_free")]
+                       public void free ();
+                       [CCode (cname = "gst_bit_reader_get_bits_uint16")]
+                       public bool get_bits_uint16 (out uint16 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_get_bits_uint32")]
+                       public bool get_bits_uint32 (out uint32 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_get_bits_uint64")]
+                       public bool get_bits_uint64 (out uint64 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_get_bits_uint8")]
+                       public bool get_bits_uint8 (out uint8 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_get_pos")]
+                       public uint get_pos ();
+                       [CCode (cname = "gst_bit_reader_get_remaining")]
+                       public uint get_remaining ();
+                       [CCode (cname = "gst_bit_reader_get_size")]
+                       public uint get_size ();
+                       [CCode (cname = "gst_bit_reader_init")]
+                       public void init ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
+                       [CCode (cname = "gst_bit_reader_peek_bits_uint16")]
+                       public bool peek_bits_uint16 (out uint16 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_peek_bits_uint32")]
+                       public bool peek_bits_uint32 (out uint32 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_peek_bits_uint64")]
+                       public bool peek_bits_uint64 (out uint64 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_peek_bits_uint8")]
+                       public bool peek_bits_uint8 (out uint8 val, uint nbits);
+                       [CCode (cname = "gst_bit_reader_set_pos")]
+                       public bool set_pos (uint pos);
+                       [CCode (cname = "gst_bit_reader_skip")]
+                       public bool skip (uint nbits);
+                       [CCode (cname = "gst_bit_reader_skip_to_byte")]
+                       public bool skip_to_byte ();
+               }
+               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
+               [Compact]
+               [GIR (name = "ByteReader")]
+               public class ByteReader {
+                       public uint byte;
+                       [CCode (array_length_cname = "size", array_length_type = "guint")]
+                       public weak uint8[] data;
+                       public uint size;
+                       public ByteReader ([CCode (array_length_type = "guint")] uint8[] data);
+                       [CCode (cname = "gst_byte_reader_dup_data")]
+                       public bool dup_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out uint8[] val);
+                       [CCode (cname = "gst_byte_reader_dup_string_utf16")]
+                       public bool dup_string_utf16 ([CCode (array_length = false, array_null_terminated = 
true)] out uint16[] str);
+                       [CCode (cname = "gst_byte_reader_dup_string_utf32")]
+                       public bool dup_string_utf32 ([CCode (array_length = false, array_null_terminated = 
true)] out uint32[] str);
+                       [CCode (cname = "gst_byte_reader_dup_string_utf8")]
+                       public bool dup_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out string[] str);
+                       [CCode (cname = "gst_byte_reader_free")]
+                       public void free ();
+                       [CCode (cname = "gst_byte_reader_get_data")]
+                       public bool get_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out unowned uint8[] val);
+                       [CCode (cname = "gst_byte_reader_get_float32_be")]
+                       public bool get_float32_be (out float val);
+                       [CCode (cname = "gst_byte_reader_get_float32_le")]
+                       public bool get_float32_le (out float val);
+                       [CCode (cname = "gst_byte_reader_get_float64_be")]
+                       public bool get_float64_be (out double val);
+                       [CCode (cname = "gst_byte_reader_get_float64_le")]
+                       public bool get_float64_le (out double val);
+                       [CCode (cname = "gst_byte_reader_get_int16_be")]
+                       public bool get_int16_be (out int16 val);
+                       [CCode (cname = "gst_byte_reader_get_int16_le")]
+                       public bool get_int16_le (out int16 val);
+                       [CCode (cname = "gst_byte_reader_get_int24_be")]
+                       public bool get_int24_be (out int32 val);
+                       [CCode (cname = "gst_byte_reader_get_int24_le")]
+                       public bool get_int24_le (out int32 val);
+                       [CCode (cname = "gst_byte_reader_get_int32_be")]
+                       public bool get_int32_be (out int32 val);
+                       [CCode (cname = "gst_byte_reader_get_int32_le")]
+                       public bool get_int32_le (out int32 val);
+                       [CCode (cname = "gst_byte_reader_get_int64_be")]
+                       public bool get_int64_be (out int64 val);
+                       [CCode (cname = "gst_byte_reader_get_int64_le")]
+                       public bool get_int64_le (out int64 val);
+                       [CCode (cname = "gst_byte_reader_get_int8")]
+                       public bool get_int8 (out int8 val);
+                       [CCode (cname = "gst_byte_reader_get_pos")]
+                       public uint get_pos ();
+                       [CCode (cname = "gst_byte_reader_get_remaining")]
+                       public uint get_remaining ();
+                       [CCode (cname = "gst_byte_reader_get_size")]
+                       public uint get_size ();
+                       [CCode (cname = "gst_byte_reader_get_string_utf8")]
+                       public bool get_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out unowned string[] str);
+                       [CCode (cname = "gst_byte_reader_get_uint16_be")]
+                       public bool get_uint16_be (out uint16 val);
+                       [CCode (cname = "gst_byte_reader_get_uint16_le")]
+                       public bool get_uint16_le (out uint16 val);
+                       [CCode (cname = "gst_byte_reader_get_uint24_be")]
+                       public bool get_uint24_be (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_get_uint24_le")]
+                       public bool get_uint24_le (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_get_uint32_be")]
+                       public bool get_uint32_be (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_get_uint32_le")]
+                       public bool get_uint32_le (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_get_uint64_be")]
+                       public bool get_uint64_be (out uint64 val);
+                       [CCode (cname = "gst_byte_reader_get_uint64_le")]
+                       public bool get_uint64_le (out uint64 val);
+                       [CCode (cname = "gst_byte_reader_get_uint8")]
+                       public bool get_uint8 (out uint8 val);
+                       [CCode (cname = "gst_byte_reader_init")]
+                       public void init ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
+                       [CCode (cname = "gst_byte_reader_masked_scan_uint32")]
+                       public uint masked_scan_uint32 (uint32 mask, uint32 pattern, uint offset, uint size);
+                       [CCode (cname = "gst_byte_reader_masked_scan_uint32_peek")]
+                       [Version (since = "1.6")]
+                       public uint masked_scan_uint32_peek (uint32 mask, uint32 pattern, uint offset, uint 
size, uint32 value);
+                       [CCode (cname = "gst_byte_reader_peek_data")]
+                       public bool peek_data ([CCode (array_length_cname = "size", array_length_pos = 0.5, 
array_length_type = "guint")] out unowned uint8[] val);
+                       [CCode (cname = "gst_byte_reader_peek_float32_be")]
+                       public bool peek_float32_be (out float val);
+                       [CCode (cname = "gst_byte_reader_peek_float32_le")]
+                       public bool peek_float32_le (out float val);
+                       [CCode (cname = "gst_byte_reader_peek_float64_be")]
+                       public bool peek_float64_be (out double val);
+                       [CCode (cname = "gst_byte_reader_peek_float64_le")]
+                       public bool peek_float64_le (out double val);
+                       [CCode (cname = "gst_byte_reader_peek_int16_be")]
+                       public bool peek_int16_be (out int16 val);
+                       [CCode (cname = "gst_byte_reader_peek_int16_le")]
+                       public bool peek_int16_le (out int16 val);
+                       [CCode (cname = "gst_byte_reader_peek_int24_be")]
+                       public bool peek_int24_be (out int32 val);
+                       [CCode (cname = "gst_byte_reader_peek_int24_le")]
+                       public bool peek_int24_le (out int32 val);
+                       [CCode (cname = "gst_byte_reader_peek_int32_be")]
+                       public bool peek_int32_be (out int32 val);
+                       [CCode (cname = "gst_byte_reader_peek_int32_le")]
+                       public bool peek_int32_le (out int32 val);
+                       [CCode (cname = "gst_byte_reader_peek_int64_be")]
+                       public bool peek_int64_be (out int64 val);
+                       [CCode (cname = "gst_byte_reader_peek_int64_le")]
+                       public bool peek_int64_le (out int64 val);
+                       [CCode (cname = "gst_byte_reader_peek_int8")]
+                       public bool peek_int8 (out int8 val);
+                       [CCode (cname = "gst_byte_reader_peek_string_utf8")]
+                       public bool peek_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] out unowned string[] str);
+                       [CCode (cname = "gst_byte_reader_peek_uint16_be")]
+                       public bool peek_uint16_be (out uint16 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint16_le")]
+                       public bool peek_uint16_le (out uint16 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint24_be")]
+                       public bool peek_uint24_be (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint24_le")]
+                       public bool peek_uint24_le (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint32_be")]
+                       public bool peek_uint32_be (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint32_le")]
+                       public bool peek_uint32_le (out uint32 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint64_be")]
+                       public bool peek_uint64_be (out uint64 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint64_le")]
+                       public bool peek_uint64_le (out uint64 val);
+                       [CCode (cname = "gst_byte_reader_peek_uint8")]
+                       public bool peek_uint8 (out uint8 val);
+                       [CCode (cname = "gst_byte_reader_set_pos")]
+                       public bool set_pos (uint pos);
+                       [CCode (cname = "gst_byte_reader_skip")]
+                       public bool skip (uint nbytes);
+                       [CCode (cname = "gst_byte_reader_skip_string_utf16")]
+                       public bool skip_string_utf16 ();
+                       [CCode (cname = "gst_byte_reader_skip_string_utf32")]
+                       public bool skip_string_utf32 ();
+                       [CCode (cname = "gst_byte_reader_skip_string_utf8")]
+                       public bool skip_string_utf8 ();
+               }
+               [CCode (cheader_filename = 
"gst/base/gstadapter.h,gst/base/gstbaseparse.h,gst/base/gstbasesink.h,gst/base/gstbasesrc.h,gst/base/gstbasetransform.h,gst/base/gstbitreader.h,gst/base/gstbytereader.h,gst/base/gstbytewriter.h,gst/base/gstcollectpads.h,gst/base/gstpushsrc.h,gst/base/gsttypefindhelper.h",
 cname = "GstBitReader", has_type_id = false)]
+               [Compact]
+               [GIR (name = "ByteWriter")]
+               public class ByteWriter {
+                       public uint alloc_size;
+                       public bool fixed;
+                       public bool @owned;
+                       public weak Gst.Base.ByteReader parent;
+                       public ByteWriter ();
+                       [CCode (cname = "gst_byte_writer_ensure_free_space")]
+                       public bool ensure_free_space (uint size);
+                       [CCode (cname = "gst_byte_writer_fill")]
+                       public bool fill (uint8 value, uint size);
+                       [CCode (cname = "gst_byte_writer_free")]
+                       public void free ();
+                       [CCode (cname = "gst_byte_writer_free_and_get_buffer")]
+                       public Gst.Buffer free_and_get_buffer ();
+                       [CCode (cname = "gst_byte_writer_free_and_get_data")]
+                       public uint8 free_and_get_data ();
+                       [CCode (cname = "gst_byte_writer_get_remaining")]
+                       public uint get_remaining ();
+                       [CCode (cname = "gst_byte_writer_init")]
+                       public void init ();
+                       [CCode (cname = "gst_byte_writer_init_with_data")]
+                       public void init_with_data ([CCode (array_length_cname = "size", array_length_pos = 
1.5, array_length_type = "guint")] uint8[] data, bool initialized);
+                       [CCode (cname = "gst_byte_writer_init_with_size")]
+                       public void init_with_size (uint size, bool fixed);
+                       [CCode (cname = "gst_byte_writer_put_buffer")]
+                       public bool put_buffer (Gst.Buffer buffer, size_t offset, ssize_t size);
+                       [CCode (cname = "gst_byte_writer_put_data")]
+                       public bool put_data ([CCode (array_length_cname = "size", array_length_pos = 1.1, 
array_length_type = "guint")] uint8[] data);
+                       [CCode (cname = "gst_byte_writer_put_float32_be")]
+                       public bool put_float32_be (float val);
+                       [CCode (cname = "gst_byte_writer_put_float32_le")]
+                       public bool put_float32_le (float val);
+                       [CCode (cname = "gst_byte_writer_put_float64_be")]
+                       public bool put_float64_be (double val);
+                       [CCode (cname = "gst_byte_writer_put_float64_le")]
+                       public bool put_float64_le (double val);
+                       [CCode (cname = "gst_byte_writer_put_int16_be")]
+                       public bool put_int16_be (int16 val);
+                       [CCode (cname = "gst_byte_writer_put_int16_le")]
+                       public bool put_int16_le (int16 val);
+                       [CCode (cname = "gst_byte_writer_put_int24_be")]
+                       public bool put_int24_be (int32 val);
+                       [CCode (cname = "gst_byte_writer_put_int24_le")]
+                       public bool put_int24_le (int32 val);
+                       [CCode (cname = "gst_byte_writer_put_int32_be")]
+                       public bool put_int32_be (int32 val);
+                       [CCode (cname = "gst_byte_writer_put_int32_le")]
+                       public bool put_int32_le (int32 val);
+                       [CCode (cname = "gst_byte_writer_put_int64_be")]
+                       public bool put_int64_be (int64 val);
+                       [CCode (cname = "gst_byte_writer_put_int64_le")]
+                       public bool put_int64_le (int64 val);
+                       [CCode (cname = "gst_byte_writer_put_int8")]
+                       public bool put_int8 (int8 val);
+                       [CCode (cname = "gst_byte_writer_put_string_utf16")]
+                       public bool put_string_utf16 ([CCode (array_length = false, array_null_terminated = 
true)] uint16[] data);
+                       [CCode (cname = "gst_byte_writer_put_string_utf32")]
+                       public bool put_string_utf32 ([CCode (array_length = false, array_null_terminated = 
true)] uint32[] data);
+                       [CCode (cname = "gst_byte_writer_put_string_utf8")]
+                       public bool put_string_utf8 ([CCode (array_length = false, array_null_terminated = 
true)] string[] data);
+                       [CCode (cname = "gst_byte_writer_put_uint16_be")]
+                       public bool put_uint16_be (uint16 val);
+                       [CCode (cname = "gst_byte_writer_put_uint16_le")]
+                       public bool put_uint16_le (uint16 val);
+                       [CCode (cname = "gst_byte_writer_put_uint24_be")]
+                       public bool put_uint24_be (uint32 val);
+                       [CCode (cname = "gst_byte_writer_put_uint24_le")]
+                       public bool put_uint24_le (uint32 val);
+                       [CCode (cname = "gst_byte_writer_put_uint32_be")]
+                       public bool put_uint32_be (uint32 val);
+                       [CCode (cname = "gst_byte_writer_put_uint32_le")]
+                       public bool put_uint32_le (uint32 val);
+                       [CCode (cname = "gst_byte_writer_put_uint64_be")]
+                       public bool put_uint64_be (uint64 val);
+                       [CCode (cname = "gst_byte_writer_put_uint64_le")]
+                       public bool put_uint64_le (uint64 val);
+                       [CCode (cname = "gst_byte_writer_put_uint8")]
+                       public bool put_uint8 (uint8 val);
+                       [CCode (cname = "gst_byte_writer_reset")]
+                       public void reset ();
+                       [CCode (cname = "gst_byte_writer_reset_and_get_buffer")]
+                       public Gst.Buffer reset_and_get_buffer ();
+                       [CCode (array_length = false, cname = "gst_byte_writer_reset_and_get_data")]
+                       public uint8[] reset_and_get_data ();
+                       public ByteWriter.with_data ([CCode (array_length_type = "guint")] uint8[] data, uint 
size, bool initialized);
+                       public ByteWriter.with_size (uint size, bool fixed);
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPads", lower_case_cprefix = 
"gst_collect_pads_", type_id = "gst_collect_pads_get_type ()")]
+               [GIR (name = "CollectPads")]
+               public class CollectPads : Gst.Object {
+                       public weak GLib.SList<Gst.Base.CollectData?> data;
+                       [CCode (has_construct_function = false)]
+                       public CollectPads ();
+                       public unowned Gst.Base.CollectData? add_pad (Gst.Pad pad, uint size, [CCode (scope = 
"async")] Gst.Base.CollectDataDestroyNotify destroy_notify, bool @lock);
+                       public uint available ();
+                       public Gst.FlowReturn clip_running_time (Gst.Base.CollectData cdata, Gst.Buffer buf, 
Gst.Buffer? outbuf, void* user_data);
+                       public bool event_default (Gst.Base.CollectData data, Gst.Event event, bool discard);
+                       public uint flush (Gst.Base.CollectData data, uint size);
+                       public Gst.Buffer? peek (Gst.Base.CollectData data);
+                       public Gst.Buffer? pop (Gst.Base.CollectData data);
+                       public bool query_default (Gst.Base.CollectData data, Gst.Query query, bool discard);
+                       public Gst.Buffer? read_buffer (Gst.Base.CollectData data, uint size);
+                       public bool remove_pad (Gst.Pad pad);
+                       public void set_buffer_function (Gst.Base.CollectPadsBufferFunction func);
+                       public void set_clip_function (Gst.Base.CollectPadsClipFunction clipfunc);
+                       public void set_compare_function (Gst.Base.CollectPadsCompareFunction func);
+                       public void set_event_function (Gst.Base.CollectPadsEventFunction func);
+                       [Version (since = "1.4")]
+                       public void set_flush_function (Gst.Base.CollectPadsFlushFunction func);
+                       public void set_flushing (bool flushing);
+                       public void set_function (Gst.Base.CollectPadsFunction func);
+                       public void set_query_function (Gst.Base.CollectPadsQueryFunction func);
+                       public void set_waiting (Gst.Base.CollectData data, bool waiting);
+                       [Version (since = "1.4")]
+                       public bool src_event_default (Gst.Pad pad, Gst.Event event);
+                       public void start ();
+                       public void stop ();
+                       public Gst.Buffer? take_buffer (Gst.Base.CollectData data, uint size);
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueue", lower_case_cprefix = 
"gst_data_queue_", type_id = "gst_data_queue_get_type ()")]
+               [GIR (name = "DataQueue")]
+               public class DataQueue : GLib.Object {
+                       [CCode (has_construct_function = false)]
+                       protected DataQueue ();
+                       [NoWrapper]
+                       public virtual void empty ();
+                       [NoWrapper]
+                       public virtual void full ();
+                       [NoAccessorMethod]
+                       public uint current_level_bytes { get; }
+                       [NoAccessorMethod]
+                       public uint64 current_level_time { get; }
+                       [NoAccessorMethod]
+                       public uint current_level_visible { get; }
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstFlowCombiner", copy_function = 
"g_boxed_copy", free_function = "g_boxed_free", lower_case_cprefix = "gst_flow_combiner_", type_id = 
"gst_flow_combiner_get_type ()")]
+               [Compact]
+               [GIR (name = "FlowCombiner")]
+               [Version (since = "1.4")]
+               public class FlowCombiner {
+                       [CCode (has_construct_function = false)]
+                       public FlowCombiner ();
+                       public void add_pad (Gst.Pad pad);
+                       [Version (since = "1.6")]
+                       public void clear ();
+                       public void free ();
+                       public unowned Gst.Base.FlowCombiner @ref ();
+                       public void remove_pad (Gst.Pad pad);
+                       [Version (since = "1.6")]
+                       public void reset ();
+                       public void unref ();
+                       public Gst.FlowReturn update_flow (Gst.FlowReturn fret);
+                       [Version (since = "1.6")]
+                       public Gst.FlowReturn update_pad_flow (Gst.Pad pad, Gst.FlowReturn fret);
+               }
+               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_parse_get_type ()")]
+               [GIR (name = "BaseParse")]
+               public abstract class Parse : Gst.Element {
+                       public uint flags;
+                       public weak Gst.Segment segment;
+                       public weak Gst.Pad sinkpad;
+                       public weak Gst.Pad srcpad;
+                       [CCode (has_construct_function = false)]
+                       protected Parse ();
+                       public bool add_index_entry (uint64 offset, Gst.ClockTime ts, bool key, bool force);
+                       [NoWrapper]
+                       public virtual bool convert (Gst.Format src_format, int64 src_value, Gst.Format 
dest_format, int64 dest_value);
+                       public bool convert_default (Gst.Format src_format, int64 src_value, Gst.Format 
dest_format, int64 dest_value);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn detect (Gst.Buffer buffer);
+                       [Version (since = "1.12")]
+                       public void drain ();
+                       public Gst.FlowReturn finish_frame (Gst.Base.ParseFrame frame, int size);
+                       [NoWrapper]
+                       public virtual Gst.Caps get_sink_caps (Gst.Caps filter);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn handle_frame (Gst.Base.ParseFrame frame, int skipsize);
+                       [Version (since = "1.6")]
+                       public void merge_tags (Gst.TagList? tags, Gst.TagMergeMode mode);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn pre_push_frame (Gst.Base.ParseFrame frame);
+                       public Gst.FlowReturn push_frame (Gst.Base.ParseFrame frame);
+                       public void set_average_bitrate (uint bitrate);
+                       public void set_duration (Gst.Format fmt, int64 duration, int interval);
+                       public void set_frame_rate (uint fps_num, uint fps_den, uint lead_in, uint lead_out);
+                       public void set_has_timing_info (bool has_timing);
+                       public void set_infer_ts (bool infer_ts);
+                       public void set_latency (Gst.ClockTime min_latency, Gst.ClockTime max_latency);
+                       public void set_min_frame_size (uint min_size);
+                       public void set_passthrough (bool passthrough);
+                       public void set_pts_interpolation (bool pts_interpolate);
+                       [NoWrapper]
+                       public virtual bool set_sink_caps (Gst.Caps caps);
+                       public void set_syncable (bool syncable);
+                       [Version (since = "1.2")]
+                       public void set_ts_at_offset (size_t offset);
+                       [NoWrapper]
+                       public virtual bool sink_event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual bool sink_query (Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool src_event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual bool src_query (Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool start ();
+                       [NoWrapper]
+                       public virtual bool stop ();
+                       [NoAccessorMethod]
+                       public bool disable_passthrough { get; set; }
+               }
+               [CCode (cheader_filename = "gst/base/base.h", copy_function = "g_boxed_copy", free_function = 
"g_boxed_free", type_id = "gst_base_parse_frame_get_type ()")]
+               [Compact]
+               [GIR (name = "BaseParseFrame")]
+               public class ParseFrame {
+                       public weak Gst.Buffer buffer;
+                       public uint flags;
+                       public uint64 offset;
+                       public weak Gst.Buffer out_buffer;
+                       public int overhead;
+                       [CCode (has_construct_function = false)]
+                       public ParseFrame (Gst.Buffer buffer, Gst.Base.ParseFrameFlags flags, int overhead);
+                       public Gst.Base.ParseFrame copy ();
+                       public void free ();
+                       public void init ();
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstPushSrc", lower_case_cprefix = 
"gst_push_src_", type_id = "gst_push_src_get_type ()")]
+               [GIR (name = "PushSrc")]
+               public class PushSrc : Gst.Base.Src {
+                       [CCode (has_construct_function = false)]
+                       protected PushSrc ();
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn alloc (out Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn create (out Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn fill (Gst.Buffer buf);
+               }
+               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_sink_get_type ()")]
+               [GIR (name = "BaseSink")]
+               public abstract class Sink : Gst.Element {
+                       public bool can_activate_pull;
+                       public bool can_activate_push;
+                       public bool eos;
+                       public bool have_newsegment;
+                       public bool have_preroll;
+                       public bool need_preroll;
+                       public uint64 offset;
+                       public Gst.PadMode pad_mode;
+                       public bool playing_async;
+                       public GLib.Cond preroll_cond;
+                       public GLib.Mutex preroll_lock;
+                       public weak Gst.Segment segment;
+                       public weak Gst.Pad sinkpad;
+                       [CCode (has_construct_function = false)]
+                       protected Sink ();
+                       [NoWrapper]
+                       public virtual bool activate_pull (bool active);
+                       public Gst.FlowReturn do_preroll (Gst.MiniObject obj);
+                       [NoWrapper]
+                       public virtual bool event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual Gst.Caps fixate (Gst.Caps caps);
+                       public uint get_blocksize ();
+                       [NoWrapper]
+                       public virtual Gst.Caps get_caps (Gst.Caps filter);
+                       [Version (since = "1.12")]
+                       public bool get_drop_out_of_segment ();
+                       public Gst.Sample? get_last_sample ();
+                       public Gst.ClockTime get_latency ();
+                       [Version (since = "1.2")]
+                       public uint64 get_max_bitrate ();
+                       public int64 get_max_lateness ();
+                       public Gst.ClockTime get_render_delay ();
+                       public bool get_sync ();
+                       public uint64 get_throttle_time ();
+                       [NoWrapper]
+                       public virtual void get_times (Gst.Buffer buffer, Gst.ClockTime start, Gst.ClockTime 
end);
+                       public Gst.ClockTimeDiff get_ts_offset ();
+                       public bool is_async_enabled ();
+                       public bool is_last_sample_enabled ();
+                       public bool is_qos_enabled ();
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn prepare (Gst.Buffer buffer);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn prepare_list (Gst.BufferList buffer_list);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn preroll (Gst.Buffer buffer);
+                       [NoWrapper]
+                       public virtual bool propose_allocation (Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool query (Gst.Query query);
+                       public bool query_latency (out bool live, out bool upstream_live, out Gst.ClockTime 
min_latency, out Gst.ClockTime max_latency);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn render (Gst.Buffer buffer);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn render_list (Gst.BufferList buffer_list);
+                       public void set_async_enabled (bool enabled);
+                       public void set_blocksize (uint blocksize);
+                       [NoWrapper]
+                       public virtual bool set_caps (Gst.Caps caps);
+                       [Version (since = "1.12")]
+                       public void set_drop_out_of_segment (bool drop_out_of_segment);
+                       public void set_last_sample_enabled (bool enabled);
+                       [Version (since = "1.2")]
+                       public void set_max_bitrate (uint64 max_bitrate);
+                       public void set_max_lateness (int64 max_lateness);
+                       public void set_qos_enabled (bool enabled);
+                       public void set_render_delay (Gst.ClockTime delay);
+                       public void set_sync (bool sync);
+                       public void set_throttle_time (uint64 throttle);
+                       public void set_ts_offset (Gst.ClockTimeDiff offset);
+                       [NoWrapper]
+                       public virtual bool start ();
+                       [NoWrapper]
+                       public virtual bool stop ();
+                       [NoWrapper]
+                       public virtual bool unlock ();
+                       [NoWrapper]
+                       public virtual bool unlock_stop ();
+                       public Gst.FlowReturn wait (Gst.ClockTime time, out Gst.ClockTimeDiff jitter);
+                       public Gst.ClockReturn wait_clock (Gst.ClockTime time, out Gst.ClockTimeDiff jitter);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn wait_event (Gst.Event event);
+                       public Gst.FlowReturn wait_preroll ();
+                       [NoAccessorMethod]
+                       public bool @async { get; set; }
+                       public uint blocksize { get; set; }
+                       [NoAccessorMethod]
+                       public bool enable_last_sample { get; set; }
+                       public Gst.Sample last_sample { owned get; }
+                       [Version (since = "1.2")]
+                       public uint64 max_bitrate { get; set; }
+                       public int64 max_lateness { get; set; }
+                       [NoAccessorMethod]
+                       public bool qos { get; set; }
+                       public uint64 render_delay { get; set; }
+                       public bool sync { get; set; }
+                       public uint64 throttle_time { get; set; }
+                       public int64 ts_offset { get; set; }
+               }
+               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_src_get_type ()")]
+               [GIR (name = "BaseSrc")]
+               public abstract class Src : Gst.Element {
+                       public bool can_activate_push;
+                       public Gst.ClockID clock_id;
+                       public GLib.Cond live_cond;
+                       public GLib.Mutex live_lock;
+                       public bool live_running;
+                       public bool need_newsegment;
+                       public int num_buffers_left;
+                       public weak Gst.Event pending_seek;
+                       public bool random_access;
+                       public bool running;
+                       public weak Gst.Segment segment;
+                       public weak Gst.Pad srcpad;
+                       [CCode (has_construct_function = false)]
+                       protected Src ();
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn alloc (uint64 offset, uint size, Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn create (uint64 offset, uint size, Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual bool decide_allocation (Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool do_seek (Gst.Segment segment);
+                       [NoWrapper]
+                       public virtual bool event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn fill (uint64 offset, uint size, Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual Gst.Caps fixate (Gst.Caps caps);
+                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
+                       public uint get_blocksize ();
+                       public Gst.BufferPool get_buffer_pool ();
+                       [NoWrapper]
+                       public virtual Gst.Caps get_caps (Gst.Caps filter);
+                       public bool get_do_timestamp ();
+                       [NoWrapper]
+                       public virtual bool get_size (uint64 size);
+                       [NoWrapper]
+                       public virtual void get_times (Gst.Buffer buffer, Gst.ClockTime start, Gst.ClockTime 
end);
+                       public bool is_async ();
+                       [NoWrapper]
+                       public virtual bool is_seekable ();
+                       [NoWrapper]
+                       public virtual bool negotiate ();
+                       public bool new_seamless_segment (int64 start, int64 stop, int64 time);
+                       [NoWrapper]
+                       public virtual bool prepare_seek_segment (Gst.Event seek, Gst.Segment segment);
+                       [NoWrapper]
+                       public virtual bool query (Gst.Query query);
+                       public bool query_latency (out bool live, out Gst.ClockTime min_latency, out 
Gst.ClockTime max_latency);
+                       public void set_async (bool @async);
+                       [Version (since = "1.4")]
+                       public void set_automatic_eos (bool automatic_eos);
+                       public void set_blocksize (uint blocksize);
+                       public virtual bool set_caps (Gst.Caps caps);
+                       public void set_do_timestamp (bool timestamp);
+                       public void set_dynamic_size (bool @dynamic);
+                       public void set_format (Gst.Format format);
+                       public void set_live (bool live);
+                       [NoWrapper]
+                       public virtual bool start ();
+                       public void start_complete (Gst.FlowReturn ret);
+                       public Gst.FlowReturn start_wait ();
+                       [NoWrapper]
+                       public virtual bool stop ();
+                       [NoWrapper]
+                       public virtual bool unlock ();
+                       [NoWrapper]
+                       public virtual bool unlock_stop ();
+                       public Gst.FlowReturn wait_playing ();
+                       public uint blocksize { get; set; }
+                       public bool do_timestamp { get; set; }
+                       [NoAccessorMethod]
+                       public int num_buffers { get; set; }
+                       [NoAccessorMethod]
+                       public bool typefind { get; set; }
+               }
+               [CCode (cheader_filename = "gst/base/base.h", type_id = "gst_base_transform_get_type ()")]
+               [GIR (name = "BaseTransform")]
+               public abstract class Transform : Gst.Element {
+                       public bool have_segment;
+                       public weak Gst.Buffer queued_buf;
+                       public weak Gst.Segment segment;
+                       public weak Gst.Pad sinkpad;
+                       public weak Gst.Pad srcpad;
+                       [CCode (has_construct_function = false)]
+                       protected Transform ();
+                       [NoWrapper]
+                       public virtual bool accept_caps (Gst.PadDirection direction, Gst.Caps caps);
+                       [NoWrapper]
+                       public virtual void before_transform (Gst.Buffer buffer);
+                       [NoWrapper]
+                       public virtual bool copy_metadata (Gst.Buffer input, Gst.Buffer outbuf);
+                       [NoWrapper]
+                       public virtual bool decide_allocation (Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool filter_meta (Gst.Query query, GLib.Type api, Gst.Structure 
@params);
+                       [NoWrapper]
+                       public virtual Gst.Caps fixate_caps (Gst.PadDirection direction, Gst.Caps caps, 
Gst.Caps othercaps);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn generate_output (Gst.Buffer outbuf);
+                       public void get_allocator (out Gst.Allocator allocator, out Gst.AllocationParams 
@params);
+                       public Gst.BufferPool get_buffer_pool ();
+                       [NoWrapper]
+                       public virtual bool get_unit_size (Gst.Caps caps, size_t size);
+                       public bool is_in_place ();
+                       public bool is_passthrough ();
+                       public bool is_qos_enabled ();
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn prepare_output_buffer (Gst.Buffer input, Gst.Buffer 
outbuf);
+                       [NoWrapper]
+                       public virtual bool propose_allocation (Gst.Query decide_query, Gst.Query query);
+                       [NoWrapper]
+                       public virtual bool query (Gst.PadDirection direction, Gst.Query query);
+                       public void reconfigure_sink ();
+                       public void reconfigure_src ();
+                       [NoWrapper]
+                       public virtual bool set_caps (Gst.Caps incaps, Gst.Caps outcaps);
+                       public void set_gap_aware (bool gap_aware);
+                       public void set_in_place (bool in_place);
+                       public void set_passthrough (bool passthrough);
+                       [Version (since = "1.0.1")]
+                       public void set_prefer_passthrough (bool prefer_passthrough);
+                       public void set_qos_enabled (bool enabled);
+                       [NoWrapper]
+                       public virtual bool sink_event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual bool src_event (Gst.Event event);
+                       [NoWrapper]
+                       public virtual bool start ();
+                       [NoWrapper]
+                       public virtual bool stop ();
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn submit_input_buffer (bool is_discont, Gst.Buffer input);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn transform (Gst.Buffer inbuf, Gst.Buffer outbuf);
+                       [NoWrapper]
+                       public virtual Gst.Caps transform_caps (Gst.PadDirection direction, Gst.Caps caps, 
Gst.Caps filter);
+                       [NoWrapper]
+                       public virtual Gst.FlowReturn transform_ip (Gst.Buffer buf);
+                       [NoWrapper]
+                       public virtual bool transform_meta (Gst.Buffer outbuf, Gst.Meta meta, Gst.Buffer 
inbuf);
+                       [NoWrapper]
+                       public virtual bool transform_size (Gst.PadDirection direction, Gst.Caps caps, size_t 
size, Gst.Caps othercaps, size_t othersize);
+                       public void update_qos (double proportion, Gst.ClockTimeDiff diff, Gst.ClockTime 
timestamp);
+                       [Version (since = "1.6")]
+                       public bool update_src_caps (Gst.Caps updated_caps);
+                       [NoAccessorMethod]
+                       public bool qos { get; set; }
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectData", has_type_id = false)]
+               [GIR (name = "CollectData")]
+               public struct CollectData {
+                       public weak Gst.Base.CollectPads collect;
+                       public weak Gst.Pad pad;
+                       public weak Gst.Buffer buffer;
+                       public uint pos;
+                       public weak Gst.Segment segment;
+                       [CCode (cname = "ABI.abi.dts")]
+                       public int64 ABI_abi_dts;
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsStateFlags", cprefix = 
"GST_COLLECT_PADS_STATE_", has_type_id = false)]
+               [Flags]
+               [GIR (name = "CollectPadsStateFlags")]
+               public enum CollectPadsStateFlags {
+                       EOS,
+                       FLUSHING,
+                       NEW_SEGMENT,
+                       WAITING,
+                       LOCKED
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cprefix = "GST_BASE_PARSE_FRAME_FLAG_", 
has_type_id = false)]
+               [Flags]
+               [GIR (name = "BaseParseFrameFlags")]
+               public enum ParseFrameFlags {
+                       NONE,
+                       NEW_FRAME,
+                       NO_FRAME,
+                       CLIP,
+                       DROP,
+                       QUEUE
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cprefix = "GST_BASE_SRC_FLAG_", has_type_id = 
false)]
+               [Flags]
+               [GIR (name = "BaseSrcFlags")]
+               public enum SrcFlags {
+                       STARTING,
+                       STARTED,
+                       LAST
+               }
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectDataDestroyNotify", 
has_target = false)]
+               public delegate void CollectDataDestroyNotify (Gst.Base.CollectData data);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsBufferFunction", 
instance_pos = 3.9)]
+               public delegate Gst.FlowReturn CollectPadsBufferFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data, owned Gst.Buffer buffer);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsClipFunction", 
instance_pos = 4.9)]
+               public delegate Gst.FlowReturn CollectPadsClipFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data, owned Gst.Buffer inbuffer, Gst.Buffer outbuffer);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsCompareFunction", 
instance_pos = 5.9)]
+               public delegate int CollectPadsCompareFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData data1, Gst.ClockTime timestamp1, Gst.Base.CollectData data2, Gst.ClockTime timestamp2);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsEventFunction", 
instance_pos = 3.9)]
+               public delegate bool CollectPadsEventFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData pad, Gst.Event event);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsFlushFunction", 
instance_pos = 1.9)]
+               [Version (since = "1.4")]
+               public delegate void CollectPadsFlushFunction (Gst.Base.CollectPads pads);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsFunction", instance_pos 
= 1.9)]
+               public delegate Gst.FlowReturn CollectPadsFunction (Gst.Base.CollectPads pads);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstCollectPadsQueryFunction", 
instance_pos = 3.9)]
+               public delegate bool CollectPadsQueryFunction (Gst.Base.CollectPads pads, 
Gst.Base.CollectData pad, Gst.Query query);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueueEmptyCallback", has_target 
= false)]
+               public delegate void DataQueueEmptyCallback (Gst.Base.DataQueue queue, void* checkdata);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstDataQueueFullCallback", has_target 
= false)]
+               public delegate void DataQueueFullCallback (Gst.Base.DataQueue queue, void* checkdata);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GstTypeFindHelperGetRangeFunction", 
has_target = false)]
+               public delegate Gst.FlowReturn TypeFindHelperGetRangeFunction (Gst.Object obj, Gst.Object? 
parent, uint64 offset, uint length, Gst.Buffer buffer);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_PARSE_FLAG_DRAINING")]
+               public const int PARSE_FLAG_DRAINING;
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_PARSE_FLAG_LOST_SYNC")]
+               public const int PARSE_FLAG_LOST_SYNC;
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_TRANSFORM_SINK_NAME")]
+               public const string TRANSFORM_SINK_NAME;
+               [CCode (cheader_filename = "gst/base/base.h", cname = "GST_BASE_TRANSFORM_SRC_NAME")]
+               public const string TRANSFORM_SRC_NAME;
+               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper")]
+               public static Gst.Caps? type_find_helper (Gst.Pad src, uint64 size);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_buffer")]
+               public static Gst.Caps? type_find_helper_for_buffer (Gst.Object? obj, Gst.Buffer buf, out 
Gst.TypeFindProbability prob);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_data")]
+               public static Gst.Caps? type_find_helper_for_data (Gst.Object? obj, uint8 data, size_t size, 
out Gst.TypeFindProbability prob);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_for_extension")]
+               public static Gst.Caps? type_find_helper_for_extension (Gst.Object? obj, string extension);
+               [CCode (cheader_filename = "gst/base/base.h", cname = "gst_type_find_helper_get_range")]
+               public static Gst.Caps? type_find_helper_get_range (Gst.Object obj, Gst.Object? parent, 
Gst.Base.TypeFindHelperGetRangeFunction func, uint64 size, string extension, out Gst.TypeFindProbability 
prob);
+       }
+}
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