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[totem-pl-parser] Parse links to video websites

commit cd7fc1f7ad4a397bb37e7be735e81d4997ae3aa8
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Nov 24 16:24:14 2010 +0000

    Parse links to video websites
    
    And load them up as videos. Add totem_pl_parser_can_parse_from_uri
    that could be used with the mini parser.
    
    Expand the starttime parsing to include the YouTube format.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=635709

 configure.in                        |   25 +++++++
 plparse/Makefile.am                 |    2 +
 plparse/plparser-mini.symbols       |    1 +
 plparse/plparser.symbols            |    1 +
 plparse/tests/parser.c              |   20 +++++
 plparse/totem-pl-parser-mini.h      |    2 +
 plparse/totem-pl-parser-videosite.c |  136 +++++++++++++++++++++++++++++++++++
 plparse/totem-pl-parser-videosite.h |   49 +++++++++++++
 plparse/totem-pl-parser.c           |   42 +++++++++++
 9 files changed, 278 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 2cc69a6..cf6044e 100644
--- a/configure.in
+++ b/configure.in
@@ -100,6 +100,25 @@ else
  **************************************************************"
 fi
 
+enable_quvi=auto
+AC_ARG_ENABLE(enable-quvi,
+	      AS_HELP_STRING([--enable-quvi],
+			     [Enable libquvi support (default is auto).]),
+			     [enable_quvi=no],
+			     [enable_quvi=yes])
+if test "x$enable_quvi" != "xno" ; then
+	PKG_CHECK_MODULES(QUVI,
+			  libquvi,
+			  [have_quvi=yes], [have_quvi=no])
+	if test "x$enable_quvi" = "xyes" -a "x$have_quvi" = "xno" ; then
+		AC_MSG_ERROR([Quvi support requested but not available.])
+	fi
+	if test "x$have_quvi" = "xyes" ; then
+		pkg_modules="$pkg_modules libquvi"
+		AC_DEFINE(HAVE_QUVI, 1, [libquvi available in the system])
+	fi
+fi
+
 dnl Check for packages for building libtotem-plparser.la
 PKG_CHECK_MODULES(TOTEM_PLPARSER, [$pkg_modules])
 AC_SUBST(TOTEM_PLPARSER_CFLAGS)
@@ -151,6 +170,12 @@ docs/reference/version.xml
 
 AC_OUTPUT
 
+if test "x$have_quvi" = "xyes"; then
+	AC_MSG_NOTICE([** Quvi video link parsing enabled])
+else
+	AC_MSG_NOTICE([   Quvi video link parsing disabled])
+fi
+
 echo "
 $gmime_message
 "
diff --git a/plparse/Makefile.am b/plparse/Makefile.am
index ac4a18c..8ef1233 100644
--- a/plparse/Makefile.am
+++ b/plparse/Makefile.am
@@ -33,6 +33,7 @@ plparser_sources =				\
 	totem-pl-parser-podcast.c		\
 	totem-pl-parser-qt.c			\
 	totem-pl-parser-smil.c			\
+	totem-pl-parser-videosite.c		\
 	totem-pl-parser-wm.c			\
 	totem-pl-parser-xspf.c
 
@@ -52,6 +53,7 @@ dist_libtotem_plparser_la_SOURCES =		\
 	totem-pl-parser-private.h		\
 	totem-pl-parser-qt.h			\
 	totem-pl-parser-smil.h			\
+	totem-pl-parser-videosite.h		\
 	totem-pl-parser-wm.h			\
 	totem-pl-parser-xspf.h			\
 	totem-pl-playlist.c			\
diff --git a/plparse/plparser-mini.symbols b/plparse/plparser-mini.symbols
index 40de6c7..5a117a2 100644
--- a/plparse/plparser-mini.symbols
+++ b/plparse/plparser-mini.symbols
@@ -1,2 +1,3 @@
 totem_pl_parser_can_parse_from_data
 totem_pl_parser_can_parse_from_filename
+totem_pl_parser_can_parse_from_uri
diff --git a/plparse/plparser.symbols b/plparse/plparser.symbols
index ec58c94..bb51a43 100644
--- a/plparse/plparser.symbols
+++ b/plparse/plparser.symbols
@@ -10,6 +10,7 @@ totem_pl_parser_add_ignored_mimetype
 totem_pl_parser_add_ignored_scheme
 totem_pl_parser_can_parse_from_data
 totem_pl_parser_can_parse_from_filename
+totem_pl_parser_can_parse_from_uri
 totem_pl_parser_error_get_type
 totem_pl_parser_error_quark
 totem_pl_parser_get_type
diff --git a/plparse/tests/parser.c b/plparse/tests/parser.c
index dbb6bc3..ba1390e 100644
--- a/plparse/tests/parser.c
+++ b/plparse/tests/parser.c
@@ -114,6 +114,8 @@ test_duration (void)
 	g_assert_cmpint (totem_pl_parser_parse_duration ("01:00:01.01", verbose), ==, 3601);
 	g_assert_cmpint (totem_pl_parser_parse_duration ("01:00.01", verbose), ==, 60);
 	g_assert_cmpint (totem_pl_parser_parse_duration ("24.59", verbose), ==, 1499);
+	g_assert_cmpint (totem_pl_parser_parse_duration ("02m25s", verbose), ==, 145);
+	g_assert_cmpint (totem_pl_parser_parse_duration ("2m25s", verbose), ==, 145);
 }
 
 static void
@@ -190,6 +192,23 @@ test_data_get_data (const char *uri, guint *len)
 }
 
 static void
+test_videosite (void)
+{
+#ifdef HAVE_QUVI
+	guint i;
+	const char *uris[] = {
+		"http://www.youtube.com/watch?v=oMLCrzy9TEs";,
+		"http://www.youtu.be/oMLCrzy9TEs";
+	};
+
+	for (i = 0; i < G_N_ELEMENTS(uris); i++) {
+		g_test_message ("Testing data parsing \"%s\"...", uris[i]);
+		g_assert (totem_pl_parser_can_parse_from_uri (uris[i], TRUE));
+	}
+#endif
+}
+
+static void
 test_parsability (void)
 {
 	guint i;
@@ -895,6 +914,7 @@ main (int argc, char *argv[])
 		g_test_add_func ("/parser/relative", test_relative);
 		g_test_add_func ("/parser/resolution", test_resolution);
 		g_test_add_func ("/parser/parsability", test_parsability);
+		g_test_add_func ("/parser/videosite", test_videosite);
 		g_test_add_func ("/parser/parsing/hadess", test_parsing_hadess);
 		g_test_add_func ("/parser/parsing/nonexistent_files", test_parsing_nonexistent_files);
 		g_test_add_func ("/parser/parsing/broken_asx", test_parsing_broken_asx);
diff --git a/plparse/totem-pl-parser-mini.h b/plparse/totem-pl-parser-mini.h
index c1ec9e4..9a19429 100644
--- a/plparse/totem-pl-parser-mini.h
+++ b/plparse/totem-pl-parser-mini.h
@@ -32,6 +32,8 @@ gboolean totem_pl_parser_can_parse_from_data	 (const char *data,
 						  gboolean debug);
 gboolean totem_pl_parser_can_parse_from_filename (const char *filename,
 						  gboolean debug);
+gboolean totem_pl_parser_can_parse_from_uri (const char *uri,
+					     gboolean debug);
 
 G_END_DECLS
 
diff --git a/plparse/totem-pl-parser-videosite.c b/plparse/totem-pl-parser-videosite.c
new file mode 100644
index 0000000..f0227ad
--- /dev/null
+++ b/plparse/totem-pl-parser-videosite.c
@@ -0,0 +1,136 @@
+/*
+   Copyright (C) 2010 Bastien Nocera <hadess hadess net>
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301  USA.
+
+   Author: Bastien Nocera <hadess hadess net>
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <glib.h>
+
+#ifndef TOTEM_PL_PARSER_MINI
+#include "totem-disc.h"
+#endif /* !TOTEM_PL_PARSER_MINI */
+
+#if HAVE_QUVI
+#include <quvi/quvi.h>
+#endif
+
+#include "totem-pl-parser-mini.h"
+#include "totem-pl-parser-videosite.h"
+#include "totem-pl-parser-private.h"
+
+gboolean
+totem_pl_parser_is_videosite (const char *uri, gboolean debug)
+{
+#ifdef HAVE_QUVI
+	quvi_t handle;
+	QUVIcode rc;
+
+	if (quvi_init (&handle) != QUVI_OK)
+		return FALSE;
+
+	rc = quvi_supported(handle, (char *) uri);
+	quvi_close (&handle);
+
+	if (debug)
+		g_print ("Checking videosite for URI '%s' returned 0x%x (%s)\n",
+			 uri, rc, (rc == QUVI_OK) ? "true" : "false");
+
+	return (rc == QUVI_OK);
+#else
+	return FALSE;
+#endif /* !HAVE_QUVI */
+}
+
+#ifndef TOTEM_PL_PARSER_MINI
+
+#define getprop(prop, p)					\
+	if (quvi_getprop (v, prop, &p) != QUVI_OK)		\
+		p = NULL;
+
+TotemPlParserResult
+totem_pl_parser_add_videosite (TotemPlParser *parser,
+			       GFile *file,
+			       GFile *base_file,
+			       TotemPlParseData *parse_data,
+			       gpointer data)
+{
+#if HAVE_QUVI
+	QUVIcode rc;
+	quvi_t handle;
+	quvi_video_t v;
+	char *uri;
+	/* properties */
+	const char *video_uri;
+	double length;
+	char *length_str;
+	const char *title;
+	const char *id;
+	const char *page_uri;
+	const char *starttime;
+
+	if (quvi_init (&handle) != QUVI_OK)
+		return TOTEM_PL_PARSER_RESULT_ERROR;
+
+	uri = g_file_get_uri (file);
+	rc = quvi_parse(handle, uri, &v);
+	if (rc != QUVI_OK) {
+		if (totem_pl_parser_is_debugging_enabled (parser)) {
+			g_print ("quvi_parse for '%s' returned %d", uri, rc);
+		}
+		g_free (uri);
+		quvi_close (&handle);
+		return TOTEM_PL_PARSER_RESULT_ERROR;
+	}
+
+	getprop (QUVIPROP_VIDEOURL, video_uri);
+	if (quvi_getprop (v, QUVIPROP_VIDEOFILELENGTH, &length) == QUVI_OK)
+		length_str = g_strdup_printf ("%f", length);
+	else
+		length_str = NULL;
+	getprop (QUVIPROP_PAGETITLE, title);
+	getprop (QUVIPROP_VIDEOID, id);
+	getprop (QUVIPROP_PAGEURL, page_uri);
+	getprop (QUVIPROP_STARTTIME, starttime);
+
+	length_str = g_strdup_printf ("%d", (int) length);
+	if (video_uri != NULL)
+		totem_pl_parser_add_uri (parser,
+					 TOTEM_PL_PARSER_FIELD_TITLE, title,
+					 TOTEM_PL_PARSER_FIELD_ID, id,
+					 TOTEM_PL_PARSER_FIELD_MOREINFO, page_uri,
+					 TOTEM_PL_PARSER_FIELD_URI, video_uri,
+					 TOTEM_PL_PARSER_FIELD_FILESIZE, length_str,
+					 TOTEM_PL_PARSER_FIELD_STARTTIME, starttime,
+					 NULL);
+	g_free (uri);
+	g_free (length_str);
+
+	quvi_parse_close (&v);
+	quvi_close (&handle);
+
+	return TOTEM_PL_PARSER_RESULT_SUCCESS;
+#else
+	return TOTEM_PL_PARSER_RESULT_UNHANDLED;
+#endif /* !HAVE_QUVI */
+}
+
+#endif /* !TOTEM_PL_PARSER_MINI */
+
diff --git a/plparse/totem-pl-parser-videosite.h b/plparse/totem-pl-parser-videosite.h
new file mode 100644
index 0000000..ef21514
--- /dev/null
+++ b/plparse/totem-pl-parser-videosite.h
@@ -0,0 +1,49 @@
+/*
+   Copyright (C) 2010 Bastien Nocera <hadess hadess net>
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301  USA.
+
+   Author: Bastien Nocera <hadess hadess net>
+ */
+
+#ifndef TOTEM_PL_PARSER_VIDEOSITE_H
+#define TOTEM_PL_PARSER_VIDEOSITE_H
+
+G_BEGIN_DECLS
+
+#ifndef TOTEM_PL_PARSER_MINI
+#include "totem-pl-parser.h"
+#include "totem-pl-parser-private.h"
+#include <gio/gio.h>
+#else
+#include "totem-pl-parser-mini.h"
+#endif /* !TOTEM_PL_PARSER_MINI */
+
+gboolean totem_pl_parser_is_videosite (const char *uri, gboolean debug);
+
+#ifndef TOTEM_PL_PARSER_MINI
+
+TotemPlParserResult totem_pl_parser_add_videosite (TotemPlParser *parser,
+						   GFile *file,
+						   GFile *base_file,
+						   TotemPlParseData *parse_data,
+						   gpointer data);
+
+#endif /* !TOTEM_PL_PARSER_MINI */
+
+G_END_DECLS
+
+#endif /* TOTEM_PL_PARSER_VIDEOSITE_H */
diff --git a/plparse/totem-pl-parser.c b/plparse/totem-pl-parser.c
index c8f577c..c05475a 100644
--- a/plparse/totem-pl-parser.c
+++ b/plparse/totem-pl-parser.c
@@ -154,6 +154,10 @@
 #include "totem-pl-parser-misc.h"
 #include "totem-pl-parser-private.h"
 
+#ifdef HAVE_QUVI
+#include "totem-pl-parser-videosite.h"
+#endif
+
 #define READ_CHUNK_SIZE 8192
 #define RECURSE_LEVEL_MAX 4
 
@@ -1788,6 +1792,20 @@ totem_pl_parser_parse_internal (TotemPlParser *parser,
 	if (!parse_data->recurse && parse_data->recurse_level > 0)
 		return TOTEM_PL_PARSER_RESULT_UNHANDLED;
 
+#if HAVE_QUVI
+	/* Should we try to parse it with quvi? */
+	if (g_file_has_uri_scheme (file, "http")) {
+		char *url;
+		url = g_file_get_uri (file);
+		if (url != NULL && totem_pl_parser_is_videosite (url, parser->priv->debug) != FALSE) {
+			ret = totem_pl_parser_add_videosite (parser, file, base_file, parse_data, NULL);
+			if (ret == TOTEM_PL_PARSER_RESULT_SUCCESS)
+				return ret;
+		}
+		g_free (url);
+	}
+#endif /* HAVE_QUVI */
+
 	/* In force mode we want to get the data */
 	if (parse_data->force != FALSE) {
 		mimetype = my_g_file_info_get_mime_type_with_data (file, &data, parser);
@@ -2253,6 +2271,11 @@ totem_pl_parser_parse_duration (const char *duration, gboolean debug)
 		D(g_print ("Used broken float format (00.00)\n"));
 		return minutes * 60 + seconds;
 	}
+	/* YouTube format */
+	if (sscanf (duration, "%dm%ds", &minutes, &seconds) == 2) {
+		D(g_print ("Used YouTube format\n"));
+		return minutes * 60 + seconds;
+	}
 	/* PLS files format */
 	if (sscanf (duration, "%d", &seconds) == 1) {
 		D(g_print ("Used PLS format\n"));
@@ -2442,6 +2465,25 @@ totem_pl_parser_can_parse_from_filename (const char *filename, gboolean debug)
 	return retval;
 }
 
+/**
+ * totem_pl_parser_can_parse_from_uri:
+ * @uri: the remote URI to check for parsability
+ * @debug: %TRUE if debug statements should be printed
+ *
+ * Checks if the remote URI can be parsed. Note that this does
+ * not actually try to open the remote URI, or deduce its content-type
+ * from its filename, as this would bring too many false positives.
+ *
+ * Return value: %TRUE if @uri could be parsed
+ *
+ * Since: 2.30.3
+ **/
+gboolean
+totem_pl_parser_can_parse_from_uri (const char *uri, gboolean debug)
+{
+	return totem_pl_parser_is_videosite (uri, debug);
+}
+
 #ifndef TOTEM_PL_PARSER_MINI
 GType
 totem_pl_parser_metadata_get_type (void)
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