Commit graph

76 commits

Author SHA1 Message Date
Gwenole Beauchesne
26b7c46eda 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.
2012-10-16 16:46:17 +02:00
Simon Farnsworth
fa87396905 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 <simon.farnsworth@onelan.co.uk>
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-10-10 11:29:00 +02:00
Gwenole Beauchesne
3f430b32a4 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.
2012-10-10 10:35:20 +02:00
Gwenole Beauchesne
6f2e885f11 h264: fix end-of-stream conditions (flush).
Decode pending data in the adapter prior to processing the actual
code for end-of-stream.
2012-10-10 10:31:39 +02:00
Gwenole Beauchesne
1c5c5ea9b8 h264: review and report errors accordingly.
Use GST_ERROR() to report real errors instead of hiding them into
GST_DEBUG().
2012-09-21 16:43:38 +02:00
Gwenole Beauchesne
dde9232e10 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.
2012-09-20 18:04:19 +02:00
Gwenole Beauchesne
a10b3d3032 decoder: cope with new GstVaapiContextInfo based API.
Update decoders to report the maximum number of reference frames to use.
2012-09-10 18:27:40 +02:00
Gwenole Beauchesne
61cc02f54b libs: fix build in strict ISO C mode. 2012-09-07 16:23:42 +02:00
Gwenole Beauchesne
7277f0e220 h264: skip all Filler Data NALs. 2012-03-23 17:11:18 +01:00
Gwenole Beauchesne
63e29adbf5 h264: fix slice_data_bit_offset calculation.
Unlike what VA-API documentation defines, the slice_data_bit_offset
represents the offset to the first macroblock in the slice data, minus
any emulation prevention bytes in the slice_header().

This fix copes with binary-only VA drivers that won't be fixed any
time soon. Besides, this aligns with the current FFmpeg behaviour
that was based on those proprietary drivers implementing the API
incorrectly.
2012-03-02 13:41:16 +01:00
Wind Yuan
c979d51da6 h264: skip all Access Unit (AU) NALs.
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-03-01 10:35:58 +01:00
Wind Yuan
6b56c84c9b h264: fix modification process of reference picture lists.
Construction of RefPicList0/1 could be off by one element.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-03-01 10:35:58 +01:00
Gwenole Beauchesne
82dbd6f5be h264: complete any current picture decoder before SPS / PPS change.
This ensures the VA context is clear when the encoded resolution
changes. i.e. make sure older picture is decoded with the older
VA context before it changes.
2012-02-08 18:08:49 +01:00
Gwenole Beauchesne
6c5054e840 h264: create VA context earlier when SPS is parsed. 2012-02-08 18:07:14 +01:00
Gwenole Beauchesne
26c105a6ca h264: don't allocate too big data structures on stack. 2012-02-08 17:57:29 +01:00
Gwenole Beauchesne
0fb1147d9c Add header for system-dependent definitions. 2012-01-30 19:52:10 +01:00
Gwenole Beauchesne
5cd0242bbb h264: simplify RefPicList reconstruction. 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
d656b958a3 h264: flush DPB when the end of the sequence is reached. 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
e52ca4a2c8 h264: handle Decoded Picture Buffer (DPB). 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
425060a7a8 h264: fix pred_weight_table() reconstruction.
Only the explicit pred_weight_table(), possibly with the inferred default
values, shall be required. e.g. don't fill in the table if weighted_pred_flag
is not set for P/SP slices.
2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
8c37221fa5 h264: execute reference picture marking process (MMCO). 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
61753fd55a h264: fix presentation timestamps. 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
16ccf82363 h264: execute reference picture marking process (sliding window). 2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
5a795b439c h264: handle avcC format for decoding buffers. 2012-01-29 15:27:59 +01:00
Sreerenj Balachandran
6d61965531 h264: handle codec-data.
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-01-29 15:27:59 +01:00
Gwenole Beauchesne
c071f80f40 Add initial H.264 decoder. 2012-01-29 15:27:59 +01:00