gimp-gap r823 - in trunk: . docs/howto/txt

[wolfgangh svn gnome org]

Author: wolfgangh
Date: Sun Mar 22 08:09:29 2009
New Revision: 823
URL: http://svn.gnome.org/viewvc/gimp-gap?rev=823&view=rev

Log:
updated news

Modified:
   trunk/ChangeLog
   trunk/NEWS
   trunk/docs/howto/txt/HOWTO-do-lossless-MPEG-cut.txt

Modified: trunk/NEWS
==============================================================================
--- trunk/NEWS	(original)
+++ trunk/NEWS	Sun Mar 22 08:09:29 2009
@@ -2,12 +2,17 @@
 -----------------------------------------------------
 (compared to gimp-gap release 2.4.0)
 
-- Player supports extracting audio track when playing clips
-  that refere to a videofile that has one or more audiotrack(s)
-
 - Storyboard undo support
+- Storyboard section support. complex scenes can be described within subsections
+  where each subsection can arrange multiple clips in multiple individual video tracks.
+
 - Storyboard clips support new deinterlace modes Odd First, Even First
 
+- Player supports extracting audio track when playing clips
+  that refere to a videofile that has one or more audiotrack(s)
+  (the extracted audio can be used for audioplayback
+  if audiosupport is enabled and wavplay is installed)
+
 - Filtermacro processing now supports mapping to 
   persistent drawable id references.
   This allows applying recorded filtermacros in another gimp session
@@ -25,15 +30,33 @@
   persistent drawable ids is supported in case both refer to the
   same image, anim frame series or the same videofile.
 
-- viedo extract supports generating transparency via bluebox effect.
+- video extract supports generating transparency via bluebox effect.
+
+- the master video encoder dialog now stays open while the encoder
+  process is running and shows encoding progress (with Cancel option)
+
+- lossless frame extract and videocut for MJPEG encoded videoclips
+  is supported by the storyboard processor and in the
+  AVI1, FFMPEG and RAWFRAMES encoders (via dont recode flag)
+
+- frontends for old external video encoders and the old xanim based
+  frame extract plug-in are not bulit per default.
 
 - Modify Frames now supports creation of grayscale layer from
   alpha channel, or layermask or mix of both
 
-- wrapper for rotate any angle.
+- added wrapper for rotate any angle.
   (provides support for animated apply in "filter all layers"
   or in fltermacros for rotation effects in storyboard clips)
 
+- added wrapper for the resynthesizer
+  (provides support for animated apply of the 3rd party plug-in resynthesizer)
+
+- external libs for vidoe read and write access
+  were updated to ffmpeg-0.5 and libmpeg3-1.8
+
+- bugfixes and updates for the use with GIMP-2.6.x releases.(see ChangeLog for details)
+
 
 Here is a short overview whats new in GIMP-GAP-2.3.0:
 -----------------------------------------------------

Modified: trunk/docs/howto/txt/HOWTO-do-lossless-MPEG-cut.txt
==============================================================================
--- trunk/docs/howto/txt/HOWTO-do-lossless-MPEG-cut.txt	(original)
+++ trunk/docs/howto/txt/HOWTO-do-lossless-MPEG-cut.txt	Sun Mar 22 08:09:29 2009
@@ -14,9 +14,6 @@
 
 --enable-videoapi-support
 --enable-libavformat 
---enable-libmpeg3
-
-the required libraries must also be installed on your system.
 
 
 
@@ -24,32 +21,28 @@
 Storyboard dialog, containing the desired clips of your videofiles.
 
 Lossless encoding becomes possible if the STORYBOARD file uses only
-one videotrack and the input clip(s) are MPEG ecoded videos
+one videotrack and the input clip(s) are MPEG or MJPEG ecoded videos
 in the same size as defined in the VID_MASTER_SIZE record
-Further there should be no transformations
-(such as ZOOM, MOVE operations) and no MACRO executions
-on the clips that are to encode.
-
-Another requirement is that you set libmpeg3 as your
-preferred video decoder:
-
+Further the processed clips must not have any transformations
+(such as ZOOM, MOVE operations and MACRO executions).
 
--------------------------- begin STORYBOARD example -----------------
-STORYBOARDFILE
-VID_PREFERRED_DECODER  libmpeg3
-VID_MASTER_SIZE        width:720 height:576
-VID_MASTER_FRAMERATE   frames_per_sec:25
+Another requirement is that both decoder and encoder
+supports handling of frames as compressed video chunk data.
+Currently the libmpeg3 and libavformat based decoders
+support this feature (by implementing the procedure
+GVA_get_video_chunk)
+The encoders FFMPEG and AVI1 support handling of
+compressed video chunk data when the parameter "Dont Recode Flag"
+is set.
 
-VID_PLAY_MOVIE      track:1 file:"/dos/data2/shrek/vob_files/vts_01_0.ifo" from:000030 to:000050 mode:normal nloops:1 seltrack:1 exactseek:1 deinterlace:0.0 stepsize:1
 
+a) lossless MPEG1 / MPEG2 cut
+=============================
 
--------------------------- end STORYBOARD example -----------------
-
-
-Then call the Master Encoder to encode your STORYBOARD file 
+Use the Master Encoder to encode your STORYBOARD file 
 (Menu: Video->Encode->Master Encoder)
 
-You must select the FFMPEG Encoder
+Select the FFMPEG Encoder
 and set its Parameters like this:
 
   Select an MPEG video codec that matches your input video(s)
@@ -62,7 +55,7 @@
 
   
 The Dont Recode Flag in the GIMP-GAP FFMPEG encoder
-will try to copy frames 1:1 from input video clips
+forces copying of frames 1:1 from input video clips
 where possible, and does call the FFMPEG encoder engine
 for all the other frames.
 
@@ -84,3 +77,21 @@
 
 
 
+b) lossless MJPG cut
+====================
+
+Lossless cut for MJPEG encoded videos is supported
+by the AVI1 encoder.
+
+Set the "Dont Recode Flag" in the JPEG-Options of the AVI1 encoder
+and select "MJPG" as Video CODEC. 
+to trigger the lossless cut feature of the AVI1 encoder.
+
+Lossless 1:1 copy of frames is possible if the input clips are JPEG images
+or MJPEG encoded videos (typically JPEG images packed into an AVI file). 
+
+The lossless MJPEG cut was tested with MJEG encoded AVI videoclips produced
+with the OLYMPUS SP560UZ digital camera.
+
+
+