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10 Commits (116303cd245138370ac684d28e086f30e12e9f6d)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Andreas Rheinhardt
|
1eb6bfbc1f |
avcodec/mpeg4_unpack_bframes_bsf: Use avpriv_find_start_code
instead of an ad-hoc function to search for start codes in order to remove code duplication and to improve performance. Improved performance of finding startcodes from 52606 decicycles to 9543 decicycles based upon 262144 runs for a 1 Mb/s MPEG4 video. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
6 years ago |
James Almer
|
e5b1f2b027 |
avcodec/mpeg4_unpack_bframes_bsf: implement a AVBSFContext.flush() callback
Signed-off-by: James Almer <jamrial@gmail.com> |
6 years ago |
|
James Almer
|
bd90a2ec04 |
avcodec/mpeg4_unpack_bframes: cache input packets directly
Avoids unnecessary allocs+copies and makes the code slightly simpler. Signed-off-by: James Almer <jamrial@gmail.com> |
7 years ago |
|
James Almer
|
4f2ff3a53e |
avcodec/mpeg4_unpack_bframes: make sure the packet is writable when data needs to be changed
Nothing currently guarantees that the packet passed to the bsf will be writable. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com> |
7 years ago |
|
James Almer
|
bd60116794 |
avcodec/mpeg4_unpack_bframes: reduce code duplication
Also fixes one potential leak of side data in out if the av_packet_from_data() call fails. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com> |
7 years ago |
Jan Sebechlebsky
|
1c46e53dcc |
avcodec/mpeg4_unpack_bframes_bsf: Check av_packet_from_data() return value
Signed-off-by: Jan Sebechlebsky <sebechlebskyjan@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
|
Jan Sebechlebsky
|
8c997b3d3d |
avcodec/mpeg4_unpack_bframes_bsf: Copy packet props
mpeg4_unpack_bframes_bsf bitstream filters constructs resulting packet using av_packet_from_data() function. This function however modifies only buffer (data) and leaves other fields untouched, so the content of other fields of the output packet is undefined. It is working with old BSF API, since old API filters just data and the packet fields are copied in av_apply_bitstream_filters from input packet. This change fixes the behaviour for the new BSF API. Signed-off-by: Jan Sebechlebsky <sebechlebskyjan@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
Andreas Cadhalpun
|
0224b35c89 |
avcodec: add unpack packed B-frames bitstream filter
Fixes Ticket #2913 Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
10 years ago |