5 years agoencoder: reduce function parameters and change variable names
Wind Yuan [Thu, 20 Sep 2012 06:41:53 +0000 (14:41 +0800)]
encoder: reduce function parameters and change variable names

5 years agoencoders: remove encoders image upload and simplify parts code
Wind Yuan [Thu, 2 Aug 2012 07:29:05 +0000 (03:29 -0400)]
encoders: remove encoders image upload and simplify parts code

5 years agoh264 encoder: worked in staging branch
Wind Yuan [Mon, 30 Jul 2012 07:34:55 +0000 (03:34 -0400)]
h264 encoder: worked in staging branch

5 years agoh264 encoder: compiling passed with libva staging branch
Wind Yuan [Mon, 30 Jul 2012 02:03:08 +0000 (22:03 -0400)]
h264 encoder: compiling passed with libva staging branch

5 years agoencoder(h264,h263,mpeg4): changed styles, names
Wind Yuan [Fri, 20 Jul 2012 07:27:57 +0000 (03:27 -0400)]
encoder(h264,h263,mpeg4): changed styles, names

current h264 encoder works in branch of 'vaapiext' of libva/intel-driver in GEN platform.
other encoders(h263,mpeg4) only tested in pvr long ago.
encoder need be configured with '--enable-encoders' explicitly.

5 years agoh264encoder: auto-detect stream-format: avc/byte-stream by next linked-pad's caps
Wind Yuan [Thu, 21 Jun 2012 06:46:43 +0000 (14:46 +0800)]
h264encoder: auto-detect stream-format: avc/byte-stream by next linked-pad's caps

5 years agofix compile issue after rebase
Wind Yuan [Wed, 18 Jan 2012 11:02:43 +0000 (19:02 +0800)]
fix compile issue after rebase

5 years agoadd Intel Copyright
Wind Yuan [Thu, 22 Dec 2011 13:02:10 +0000 (21:02 +0800)]
add Intel Copyright

5 years agocompiling passed in for new vaapiencode
Wind Yuan [Thu, 22 Dec 2011 06:42:40 +0000 (14:42 +0800)]
compiling passed in for new vaapiencode

5 years agochange encoder log output format, support GST log
Wind Yuan [Tue, 29 Nov 2011 02:31:44 +0000 (10:31 +0800)]
change encoder log output format, support GST log

5 years agosupport B frames
Wind Yuan [Mon, 28 Nov 2011 06:17:52 +0000 (01:17 -0500)]
support B frames

5 years agoSupport h264encoder on SandyBridge platform(lots libva h264 encoding parameters changed)
Wind Yuan [Wed, 23 Nov 2011 07:04:42 +0000 (02:04 -0500)]
Support h264encoder on SandyBridge platform(lots libva h264 encoding parameters changed)

5 years agosupports mpeg4 encoder
Wind Yuan [Thu, 20 Oct 2011 07:24:30 +0000 (15:24 +0800)]
supports mpeg4 encoder

5 years agochange h264encoder.x to gstvaapih264encoder.x
Wind Yuan [Thu, 13 Oct 2011 07:32:22 +0000 (15:32 +0800)]
change h264encoder.x to gstvaapih264encoder.x

5 years agosupport h263 encoder(vah263encode) in mrst "gst-launch videotestsrc num-buffers=100...
Wind Yuan [Thu, 13 Oct 2011 07:17:54 +0000 (15:17 +0800)]
support h263 encoder(vah263encode) in mrst "gst-launch videotestsrc num-buffers=100 pattern=18 ! video/x-raw-yuv,format='(fourcc)'NV12,width=640,height=480,framerate=30/1 ! vaapiconvert ! vah263encode ! qtmux faststart=true ! filesink location=263.mp4"

5 years agoextract vaapiencoder structure to make other encoders possible
Wind Yuan [Mon, 10 Oct 2011 02:24:02 +0000 (10:24 +0800)]
extract vaapiencoder structure to make other encoders possible

5 years agosupport multiple h264 slices, auto calculate bitrate(=w*h*fps/4) add properties ...
Wind Yuan [Fri, 30 Sep 2011 06:33:44 +0000 (14:33 +0800)]
support multiple h264 slices, auto calculate bitrate(=w*h*fps/4) add properties : min-qp, slice-num

5 years agoadd properties in gsth264encode; profile, level,bitrate, intra-period, init-qp
Wind Yuan [Thu, 29 Sep 2011 14:08:26 +0000 (22:08 +0800)]
add properties in gsth264encode; profile, level,bitrate, intra-period, init-qp

5 years agovah264encode co-work with vaapiconvert passed "gst-launch videotestsrc ! video/x...
Wind Yuan [Tue, 27 Sep 2011 05:24:05 +0000 (13:24 +0800)]
vah264encode co-work with vaapiconvert passed "gst-launch videotestsrc ! video/x-raw-yuv,format='(fourcc)'NV12,width=1280,height=720,framerate=30/1 ! vaapiconvert ! vah264encode ! fakesink"

5 years agochange h264encoder
Wind Yuan [Mon, 19 Sep 2011 01:47:36 +0000 (09:47 +0800)]
change h264encoder

5 years agovaapiconvert: change direct-rendering=0 to vaPutImage and support YUY2 colorspace...
Wind Yuan [Thu, 5 Jan 2012 03:17:33 +0000 (11:17 +0800)]
vaapiconvert: change direct-rendering=0 to vaPutImage and support YUY2 colorspace to vaImage

5 years agoadd Intel Copyright
Wind Yuan [Thu, 22 Dec 2011 13:02:10 +0000 (21:02 +0800)]
add Intel Copyright

5 years agocompiling passed in 3.0 for vaapiencode
Wind Yuan [Thu, 22 Dec 2011 06:42:40 +0000 (14:42 +0800)]
compiling passed in 3.0 for vaapiencode

5 years agovaapiconvert support multiple YUV colorspace
Wind Yuan [Thu, 22 Dec 2011 06:41:42 +0000 (14:41 +0800)]
vaapiconvert support multiple YUV colorspace

5 years agoAdd FPS log print in vaapiencode
Wind Yuan [Fri, 9 Dec 2011 07:55:01 +0000 (15:55 +0800)]
Add FPS log print in vaapiencode

5 years agoUse config.h to vaapiencode
Wind Yuan [Wed, 7 Dec 2011 04:58:10 +0000 (12:58 +0800)]
Use config.h to vaapiencode

5 years agoadd fps caculation macro
Wind Yuan [Tue, 6 Dec 2011 01:19:56 +0000 (20:19 -0500)]
add fps caculation macro

5 years agosupport YUY2 convert to surface
Wind Yuan [Mon, 5 Dec 2011 06:23:10 +0000 (01:23 -0500)]
support YUY2 convert to surface

5 years agovaapiconvert: try directly copy buffer to derived surface first
Wind Yuan [Thu, 1 Dec 2011 18:07:31 +0000 (13:07 -0500)]
vaapiconvert: try directly copy buffer to derived surface first

5 years agochange encoder log output format, support GST log
Wind Yuan [Tue, 29 Nov 2011 02:31:44 +0000 (10:31 +0800)]
change encoder log output format, support GST log

5 years agosupport multiple threads for vaapivideopool
Wind Yuan [Tue, 29 Nov 2011 02:31:02 +0000 (10:31 +0800)]
support multiple threads for vaapivideopool

5 years agosupport raw-buffer directly converted to surface in vaapiconvert
Wind Yuan [Thu, 24 Nov 2011 08:35:09 +0000 (03:35 -0500)]
support raw-buffer directly converted to surface in vaapiconvert

5 years agoAdd context API <gst_vaapi_context_get_surface_pool>
Wind Yuan [Wed, 23 Nov 2011 07:01:30 +0000 (02:01 -0500)]
Add context API <gst_vaapi_context_get_surface_pool>

5 years agoadd h264encoder
Wind Yuan [Mon, 19 Sep 2011 01:47:36 +0000 (09:47 +0800)]
add h264encoder

5 years agocodecparsers: always build the VC-1 parser library.
Gwenole Beauchesne [Thu, 15 Nov 2012 16:50:45 +0000 (17:50 +0100)]
codecparsers: always build the VC-1 parser library.

... this is useful to make sure pixel-aspect-ratio and framerate
information are correctly parsed since we have no means to detect
that at configure time.

5 years agompeg2: fix PAR calculation from commit bd11bae.
Sreerenj Balachandran [Thu, 8 Nov 2012 09:40:47 +0000 (11:40 +0200)]
mpeg2: fix PAR calculation from commit bd11bae.

Invoke gst_mpeg_video_finalise_mpeg2_sequence_header() to get the
correct PAR values. While doing so, require a newer version of the
bitstream parser library.

Note: it may be necessary to also parse the Sequence_Display_Extension()

Signed-off-by: Sreerenj Balachandran <>
Signed-off-by: Gwenole Beauchesne <>
5 years agoFix build with the GNU gold linker.
Gwenole Beauchesne [Thu, 15 Nov 2012 14:00:43 +0000 (15:00 +0100)]
Fix build with the GNU gold linker.

In particular, fix libgstvaapi-glx DSO dependencies to include libgstbase
and libgstvideo libs, e.g. for gst_video_buffer_get_overlay_composition().

5 years agowayland: port to 1.0 version of the protocol.
Rob Bradford [Fri, 2 Nov 2012 18:18:37 +0000 (18:18 +0000)]
wayland: port to 1.0 version of the protocol.

This patch updates to relect the 1.0 version of the protocol. The main
changes are the switch to wl_registry for global object notifications
and the way that the event queue and file descriptor is processed.

Signed-off-by: Gwenole Beauchesne <>
5 years agoh264: fix incorrect integration of previous commit (4d31e1e).
Gwenole Beauchesne [Wed, 14 Nov 2012 18:22:13 +0000 (19:22 +0100)]
h264: fix incorrect integration of previous commit (4d31e1e).

git am got confused somehow, though the end result doesn't change at
all since we require both SPS and PPS to be parsed prior to decoding
the first slice.

5 years agoh264: start decoding slices after first SPS/PPS activation.
Gwenole Beauchesne [Wed, 14 Nov 2012 17:40:47 +0000 (18:40 +0100)]
h264: start decoding slices after first SPS/PPS activation.

Only start decoding slices when at least one SPS and PPS got activated.
This fixes cases when a source represents a substream of another stream
and no SPS and PPS was inserted before the first slice of the generated

5 years agoh264: fix VAPictureParameterBufferH264.ReferenceFrames[] construction.
Gwenole Beauchesne [Wed, 14 Nov 2012 13:25:34 +0000 (14:25 +0100)]
h264: fix VAPictureParameterBufferH264.ReferenceFrames[] construction.

... for interlaced streams. The short_ref[] and long_ref[] arrays may
contain up to 32 fields but VA ReferenceFrames[] array expects up to
16 reference frames, thus including both fields.

5 years agoh264: fix interlaced stream decoding with MMCO.
Gwenole Beauchesne [Wed, 14 Nov 2012 09:27:12 +0000 (10:27 +0100)]
h264: fix interlaced stream decoding with MMCO.

Fix decoding of interlaced streams when adaptive_ref_pic_marking_mode_flag
is equal to 1, i.e. when memory management control operations are used. In
particular, when field_pic_flag is set to 0, the new reference flags shall
be applied to both fields.

5 years agoh264: add initial support for interlaced streams.
Gwenole Beauchesne [Tue, 13 Nov 2012 16:14:39 +0000 (17:14 +0100)]
h264: add initial support for interlaced streams.

Decoded frames are only output when they are complete, i.e. when both
fields are decoded. This also means that the "interlaced" caps is not
propagated to vaapipostproc or vaapisink elements. Another limitation
is that interlaced bitstreams with MMCO are unlikely to work.

5 years agoh264: split remove_reference_at() into finer units.
Gwenole Beauchesne [Tue, 13 Nov 2012 15:35:30 +0000 (16:35 +0100)]
h264: split remove_reference_at() into finer units.

Split remove_reference_at() into a function that actually removes the
specified entry from the short-term or long-term reference picture array,
and a function that sets reference flags to the desired value, possibly
zero. The latters marks the picture as "unused for reference".

5 years agodecoder: fix gst_vaapi_picture_new_field() object type.
Gwenole Beauchesne [Tue, 23 Oct 2012 12:04:22 +0000 (14:04 +0200)]
decoder: fix gst_vaapi_picture_new_field() object type.

Fix gst_vaapi_picture_new_field() to preserve the original picture type.
e.g. gst_vaapi_picture_new_field() with a GstVaapiPictureH264 argument
shall generate a GstVaapiPictureH264 object.

5 years agoh264: add picture structure for reference picture marking process.
Gwenole Beauchesne [Tue, 13 Nov 2012 13:04:31 +0000 (14:04 +0100)]
h264: add picture structure for reference picture marking process.

Introduce new `structure' field to the H.264 specific picture structure
so that to simplify the reference picture marking process. That local
picture structure is derived from the original picture structure, as
defined by the syntax elements field_pic_flag and bottom_field_flag.

5 years agoh264: introduce new frame store structure.
Gwenole Beauchesne [Fri, 2 Nov 2012 14:14:58 +0000 (15:14 +0100)]
h264: introduce new frame store structure.

The frame store represents a Decoded Picture Buffer entry, which can
hold up to two fields. So far, the frame store is only used to hold
full frames.

5 years agocodecparsers: update to gst-vaapi-rebased commit 73d6aab.
Gwenole Beauchesne [Tue, 13 Nov 2012 09:10:31 +0000 (10:10 +0100)]
codecparsers: update to gst-vaapi-rebased commit 73d6aab.

73d6aab h264: fix rbsp_more_data() implementation
25d04cf h264: fix error code for invalid size parsed in SPS
84798e5 fix FSF address

5 years agoh264: minor clean-ups.
Gwenole Beauchesne [Wed, 31 Oct 2012 15:37:14 +0000 (16:37 +0100)]
h264: minor clean-ups.

Move DPB flush up if the current picture to decode is an IDR. Besides,
don't bother to check for IDR pictures in dpb_add() function since an
explicit DPB flush was already performed in this case.

5 years agoh264: simplify reference picture marking process.
Gwenole Beauchesne [Wed, 31 Oct 2012 13:24:09 +0000 (14:24 +0100)]
h264: simplify reference picture marking process.

... to build the short_ref[] and long_ref[] lists from the DPB, instead
of maintaining them separately. This avoids refs/unrefs while making it
possible to generate the list based on the actual picture structure.

This also ensures that the list of generated ReferenceFrames[] actually
matches what reference frames are available in the DPB. i.e. short_ref[]
and long_ref[] entries are implied from the DPB, so there is no risk of
having "dangling" references.

5 years agoh264: introduce per-field POC in GstVaapiPictureH264.
Gwenole Beauchesne [Wed, 31 Oct 2012 10:52:03 +0000 (11:52 +0100)]
h264: introduce per-field POC in GstVaapiPictureH264.

Use the POC member available in the GstVaapiPicture base class and
get rid of the dependency on the local VAPictureH264 TopFieldOrderCnt
and BottomFieldOrderCnt. Rather, use a simple field_poc[] array
initialized to INT_MAX, so that to simplify picture POC calculation
for non frame pictures.

5 years agoh264: introduce GST_VAAPI_PICTURE_{SHORT,LONG}_TERM_REFERENCE flags.
Gwenole Beauchesne [Wed, 31 Oct 2012 10:45:14 +0000 (11:45 +0100)]

Further get rid of GstVaapiPictureH264-local VAPictureH264.flags for
reference bits, thus simplifying the reference picture marking process
to only track a single set of reference flags. Also introduce a new
long_term_frame_idx member.

5 years agoh264: introduce GST_VAAPI_PICTURE_FLAG_IDR flag.
Gwenole Beauchesne [Wed, 31 Oct 2012 10:33:40 +0000 (11:33 +0100)]
h264: introduce GST_VAAPI_PICTURE_FLAG_IDR flag.

5 years agoh264: fill in GstVaapiPicture structure.
Gwenole Beauchesne [Wed, 31 Oct 2012 09:56:15 +0000 (10:56 +0100)]
h264: fill in GstVaapiPicture structure.

... and get rid of local VAPictureH264.flags fields in GstVaapiPictureH264.

5 years agoh264: add vaapi_fill_picture() helper.
Gwenole Beauchesne [Wed, 31 Oct 2012 10:07:48 +0000 (11:07 +0100)]
h264: add vaapi_fill_picture() helper.

Add vaapi_fill_picture() helper function to convert GstVaapiPictureH264
to VAPictureH264 structure. This is preparatory work to get rid of the
local VAPictureH264 member in GstVaapiPictureH264.

5 years agoh264: fix activation order of picture and sequence parameters.
Gwenole Beauchesne [Fri, 26 Oct 2012 14:12:05 +0000 (16:12 +0200)]
h264: fix activation order of picture and sequence parameters.

Delay ensure_context() until we actually need a VA context for allocating
new VA surfaces, and then GstVaapiPictures, but also when a real activation
of a new picture parameter set occurs, thus also implying an activation
of the related sequence parameter set.

The most important thing was to drop the global pps and sps pointers since
they may not have matched the currently activated picture parameter or
sequence parameter sets at the specified decode point.

Anoter positive side-effect is that this cleans up all occurrences of
decode_current_picture() to only keep those useful in decode_picture(),
before a new picture is allocated, or in decode_sequence_end() when
an end-of-stream or end-of-sequence condition occurred.

5 years agoh264: fix scaling list generation.
Gwenole Beauchesne [Fri, 26 Oct 2012 11:17:43 +0000 (13:17 +0200)]
h264: fix scaling list generation.

... aka fix regression from efaab79. In particular, ScalingList8x8[]
array was partially copied to the VAIQMatrixBufferH264. While we are
at it, also improve bounds checking and avoid copying 8x8 scaling
lists if transform_8x8_mode_flag is set to 0.

5 years agoh264: fix detection of picture boundaries.
Gwenole Beauchesne [Wed, 24 Oct 2012 16:23:09 +0000 (18:23 +0200)]
h264: fix detection of picture boundaries.

Strictly follow the standard ( to detect the first VCL NAL
unit of a primary coded picture.

5 years agoh264: optimize handling of scaling lists.
Gwenole Beauchesne [Tue, 23 Oct 2012 12:50:14 +0000 (14:50 +0200)]
h264: optimize handling of scaling lists.

Don't copy scaling lists twice to an intermediate state. Rather, directly
use the scaling lists from GstH264PPS since they would match those provided
by SPS header, if necessary. i.e. if PPS-specific scaling lists are not
available in the bitstream.

5 years agoh264: simplify code when MMCO is 5.
Gwenole Beauchesne [Tue, 23 Oct 2012 08:33:50 +0000 (10:33 +0200)]
h264: simplify code when MMCO is 5.

Remove exit_picture() and exit_picture_poc() since PicOrderCnt(CurrPic)
is now updated accordingly to the standard. Besides, MMCO = 5 specific
operations are moved up to exec_ref_pic_marking_adaptive_mmco_5().

5 years agoh264: fix MMCO-based reference picture marking process.
Gwenole Beauchesne [Mon, 22 Oct 2012 09:52:13 +0000 (11:52 +0200)]
h264: fix MMCO-based reference picture marking process.

Fix adaptive memory control decoded reference picture marking process
implementation for operations 2 to 6, thus also fixing support for
long-term reference pictures.

5 years agoh264: move MMCO handlers out of the loop (cosmetics).
Gwenole Beauchesne [Mon, 22 Oct 2012 08:50:29 +0000 (10:50 +0200)]
h264: move MMCO handlers out of the loop (cosmetics).

This change only splits each individual MMCO handler into several functions
dedicated for each operation. This is needed to perform further work later

5 years agodebian: fix make dist for packaging.
Gwenole Beauchesne [Wed, 17 Oct 2012 13:49:23 +0000 (15:49 +0200)]
debian: fix make dist for packaging.

bzip2 tarballs are now used, so update the deb.upstream dependencies
to include dist-bzip2 instead of plain old dist, and use the correct
tar extract options to handle that format.

5 years agoconfigure: generate bzip2 tarballs in ustar format by default.
Gwenole Beauchesne [Wed, 17 Oct 2012 13:42:17 +0000 (15:42 +0200)]
configure: generate bzip2 tarballs in ustar format by default.

6 years agovaapidecode: fix compiler warnings.
Gwenole Beauchesne [Wed, 17 Oct 2012 12:52:35 +0000 (14:52 +0200)]
vaapidecode: fix compiler warnings.

Don't care of the return value for gst_vaapi_decoder_put_buffer()
during destruction of the element. Don't print out (uninitialised)
error code when allocation of video buffer failed.

6 years agoh264: add flag to compile with strict DPB ordering mode.
Gwenole Beauchesne [Tue, 16 Oct 2012 14:52:04 +0000 (16:52 +0200)]
h264: add flag to compile with strict DPB ordering mode.

Allow build with strict DPB ordering mode whereby evicted entries
are replaced by the next entries, in order instead of optimizing
it away with the last entry in the DPB.

This is only useful for debugging purpose, against a reference SW
decoder for example.

6 years agoh264: drop extra code covered by built-in codecparsers.
Gwenole Beauchesne [Tue, 16 Oct 2012 14:46:17 +0000 (16:46 +0200)]
h264: drop extra code covered by built-in codecparsers.

GstH264SliceHdr.n_emulation_prevention_bytes is bound to exist now that
a newer version of codecparsers/ are used if the system provided one is
now recent enough to have those required extensions.

6 years agocodecparsers: fix generation of symlinks.
Gwenole Beauchesne [Tue, 16 Oct 2012 14:43:43 +0000 (16:43 +0200)]
codecparsers: fix generation of symlinks.

Try to improve dependencies while generating symlinks to externally
maintained copy of codecparsers (derived from upstream git master

6 years agovc1: use framerate information from bitstream parser.
Gwenole Beauchesne [Thu, 11 Oct 2012 13:04:12 +0000 (15:04 +0200)]
vc1: use framerate information from bitstream parser.

6 years agovc1: use pixel-aspect-ratio from bitstream parser.
Simon Farnsworth [Thu, 27 Sep 2012 17:05:46 +0000 (18:05 +0100)]
vc1: use pixel-aspect-ratio from bitstream parser.

Signed-off-by: Simon Farnsworth <>
Signed-off-by: Gwenole Beauchesne <>
6 years agompeg2: use pixel-aspec-ratio information from bitstream parser.
Simon Farnsworth [Thu, 27 Sep 2012 17:05:46 +0000 (18:05 +0100)]
mpeg2: use pixel-aspec-ratio information from bitstream parser.

Signed-off-by: Simon Farnsworth <>
Signed-off-by: Gwenole Beauchesne <>
6 years agocodecparsers: h264: use submodule sources.
Gwenole Beauchesne [Thu, 11 Oct 2012 11:49:14 +0000 (13:49 +0200)]
codecparsers: h264: use submodule sources.

Use newer sources from the codecparsers/ submodule for
- GstH264SliceHdr.n_emulation_prevention_bytes: EPBs;
- GstH264VUIParams.{par_n,par_d}: pixel-aspect-ratio.

6 years agocodecparsers: jpeg: use submodule sources.
Gwenole Beauchesne [Thu, 11 Oct 2012 11:23:02 +0000 (13:23 +0200)]
codecparsers: jpeg: use submodule sources.

6 years agoAdd codecparsers submodule.
Gwenole Beauchesne [Thu, 11 Oct 2012 08:03:14 +0000 (10:03 +0200)]
Add codecparsers submodule.

6 years ago.gitignore: updates.
Gwenole Beauchesne [Thu, 11 Oct 2012 12:17:12 +0000 (14:17 +0200)]
.gitignore: updates.

6 years agoautogen: fix check for gtkdocize and autoreconf.
Gwenole Beauchesne [Thu, 11 Oct 2012 11:40:37 +0000 (13:40 +0200)]
autogen: fix check for gtkdocize and autoreconf.

If gtkdocize or autoreconf programs were not found, then the
script would fail to report that correctly because test -z was not passed
any argument (empty string "" in this case).

6 years agoh264: use pixel-aspect-ratio from SPS header.
Simon Farnsworth [Thu, 27 Sep 2012 17:05:46 +0000 (18:05 +0100)]
h264: use pixel-aspect-ratio from SPS header.

Propagate pixel-aspect-ratio determined by the GStreamer codecparser
from the sequence headers.

Signed-off-by: Simon Farnsworth <>
Signed-off-by: Gwenole Beauchesne <>
6 years agoh264: add decode_nalu() helper function.
Gwenole Beauchesne [Wed, 10 Oct 2012 08:35:20 +0000 (10:35 +0200)]
h264: add decode_nalu() helper function.

Split decode_buffer() into the core infrastructure that determines
the NAL units contained in the adapter and the actual function that
decodes the NAL unit.

6 years agoh264: fix end-of-stream conditions (flush).
Gwenole Beauchesne [Wed, 10 Oct 2012 08:31:39 +0000 (10:31 +0200)]
h264: fix end-of-stream conditions (flush).

Decode pending data in the adapter prior to processing the actual
code for end-of-stream.

6 years agompeg2: add decode_packet() helper function.
Gwenole Beauchesne [Wed, 10 Oct 2012 07:45:03 +0000 (09:45 +0200)]
mpeg2: add decode_packet() helper function.

Split decode_buffer() into the core infrastructure that determines
the packets contained in the adapter and the actual function that
decodes the packet data.

6 years agompeg2: fix end-of-stream conditions (flush).
Gwenole Beauchesne [Tue, 9 Oct 2012 13:34:18 +0000 (15:34 +0200)]
mpeg2: fix end-of-stream conditions (flush).

Decode pending data in the adapter prior to processing the actual
code for end-of-stream. Initial code from Feng Yuan.

6 years agompeg2: fix memory leak of empty packets.
Gwenole Beauchesne [Tue, 9 Oct 2012 13:40:49 +0000 (15:40 +0200)]
mpeg2: fix memory leak of empty packets.

Fix memory leakage of empty packets, i.e. packets that only contain
the start code prefix. In particular, free empty user-data packets.

Besides, the codec parser will already fail gracefully if the packet
to parse does not have the minimum required size. So, we can also
completely drop the block of code that used to handle packets of size 4
(including the start code).

6 years agompeg2: fix return value for "no-data" conditions.
Gwenole Beauchesne [Tue, 9 Oct 2012 13:01:38 +0000 (15:01 +0200)]
mpeg2: fix return value for "no-data" conditions.

Fix return value when the second scan for start code fails. This means
there is not enough data to determine the full extents of the current
packet and the function shall return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA
in this case, instead of GST_VAAPI_DECODER_STATUS_SUCCESS.

6 years agodecoder: refine semantics of gst_vaapi_decoder_put_buffer().
Gwenole Beauchesne [Tue, 9 Oct 2012 12:48:00 +0000 (14:48 +0200)]
decoder: refine semantics of gst_vaapi_decoder_put_buffer().

Improve the semantics for gst_vaapi_decoder_put_buffer() when an empty
buffer is passed on. An empty buffer is a buffer with a NULL data pointer
or with a size equals to zero. In this case, that buffer is simply
skipped and the function returns TRUE. A NULL buffer argument still
marks the end-of-stream.

6 years agodecoder: drop unused functions.
Gwenole Beauchesne [Tue, 9 Oct 2012 12:40:00 +0000 (14:40 +0200)]
decoder: drop unused functions.

6 years agovaapidecode: flush buffers when receiving EOS.
Wind Yuan [Mon, 27 Aug 2012 02:29:04 +0000 (22:29 -0400)]
vaapidecode: flush buffers when receiving EOS.

Signed-off-by: Gwenole Beauchesne <>
6 years agodebian: fix make dist for packaging.
Gwenole Beauchesne [Fri, 5 Oct 2012 11:36:27 +0000 (13:36 +0200)]
debian: fix make dist for packaging.

6 years agowayland: cosmetics (remove tabs).
Gwenole Beauchesne [Fri, 5 Oct 2012 10:06:27 +0000 (12:06 +0200)]
wayland: cosmetics (remove tabs).

6 years agowayland: add support for windowed mode.
Rob Bradford [Thu, 4 Oct 2012 16:39:52 +0000 (17:39 +0100)]
wayland: add support for windowed mode.

Rather than always making the surface fullscreen instead implement the
set_fullscreen vfunc on GstVaapiWindow and then set the shell surface
fullscreen on not depending on that.

Reviewed-by: Joe Konno <>
Signed-off-by: Gwenole Beauchesne <>
6 years agoBump version for development.
Gwenole Beauchesne [Mon, 1 Oct 2012 07:21:03 +0000 (09:21 +0200)]
Bump version for development.

6 years agoFix and document build dependencies better.
Gwenole Beauchesne [Fri, 28 Sep 2012 15:54:03 +0000 (17:54 +0200)]
Fix and document build dependencies better.

6 years agodebian: fix GStreamer build dependencies.
Gwenole Beauchesne [Fri, 28 Sep 2012 15:41:42 +0000 (17:41 +0200)]
debian: fix GStreamer build dependencies.

6 years agodebian: fix Wayland build dependencies.
Gwenole Beauchesne [Fri, 28 Sep 2012 15:39:43 +0000 (17:39 +0200)]
debian: fix Wayland build dependencies.

6 years agodebian: fix conditional build of packages.
Gwenole Beauchesne [Fri, 28 Sep 2012 15:38:17 +0000 (17:38 +0200)]
debian: fix conditional build of packages.

Make it still possible to build package even if one of the build dependencies
for a specific video backend is not available.

6 years agoutils: drop unused GLX helpers.
Gwenole Beauchesne [Thu, 27 Sep 2012 09:08:58 +0000 (11:08 +0200)]
utils: drop unused GLX helpers.

Remove helpers for GL_ARB_fragment_program and GL_ARB_multitexture
extensions since they are not used throughout gstreamer-vaapi.

6 years agoutils: fix build with <GL/glext.h> version >= 85.
Gwenole Beauchesne [Thu, 27 Sep 2012 09:04:24 +0000 (11:04 +0200)]
utils: fix build with <GL/glext.h> version >= 85.

Mesa recently updated the <GL/glext.h> header version to Khronos version 85.
This caused the PFNGLMULTITEXCOORD2FPROC definition to be moved out of the
GL_VERSION_1_3_DEPRECATED block. However, since <GL/gl.h> also defines
GL_VERSION_1_3 to 1, the definitions in <GL/glext.h> are then not enabled,
thus leaving PFNGLMULTITEXCOORD2FPROC undefined as well.

Provide a PFNGLMULTITEXCOORD2FPROC replacement as an interim solution for
newer versions of the <GL/glext.h> header.

6 years agoconfigure: update VA-API version requirements.
Gwenole Beauchesne [Wed, 26 Sep 2012 14:33:16 +0000 (16:33 +0200)]
configure: update VA-API version requirements.

VA/DRM and VA/Wayland API are now promoted to VA-API 0.33.0 (libva 1.1.0).

6 years agoh264: review and report errors accordingly.
Gwenole Beauchesne [Fri, 21 Sep 2012 14:43:38 +0000 (16:43 +0200)]
h264: review and report errors accordingly.

Use GST_ERROR() to report real errors instead of hiding them into

6 years agoh264: exclusively use GstAdapter, drop sub-buffer hack.
Gwenole Beauchesne [Thu, 20 Sep 2012 15:58:21 +0000 (17:58 +0200)]
h264: exclusively use GstAdapter, drop sub-buffer hack.

Maintaining the sub-buffer is rather suboptimal especially since we
were also maintaining a GstAdapter. Now, we only use the GstAdapter
thus requiring minor extra parsing when receiving avcC buffers.

6 years agoREADME: updates.
Gwenole Beauchesne [Thu, 20 Sep 2012 14:18:27 +0000 (16:18 +0200)]
README: updates.