| Commit message (Collapse) | Author | Age |
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Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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There is no change in the encoded bitstream, but this
ensures that the written field length is consistent
with the reference implementation.
Unused bytes are zeroed out for backwards compatibility.
Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
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Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
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if needed
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
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The value in AVCodecParameters->codec_tag may not be correct for IVF,
as it's the case when remuxing AV1 streams from mp4, so ignore it and
write the correct value based on codec ID instead.
Reviewed-by: Jan Ekström <jeebjp@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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* commit '44a1731011e87fbf4180d026aefb8bfe85d8c7dc':
ivf: Support VP9 and AV1 as well
See e8f0a463b0d27a4d74c0d9f1857e72a8033d1069
Merged-by: James Almer <jamrial@gmail.com>
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libaom tools work with ivf files.
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* commit '83548fe894cdb455cc127f754d09905b6d23c173':
lavf: fix usage of AVIOContext.seekable
Merged-by: James Almer <jamrial@gmail.com>
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This fixes remuxing VPX from MP4 without manually overwriting the tag.
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* commit '9200514ad8717c63f82101dc394f4378854325bf':
lavf: replace AVStream.codec with AVStream.codecpar
This has been a HUGE effort from:
- Derek Buitenhuis <derek.buitenhuis@gmail.com>
- Hendrik Leppkes <h.leppkes@gmail.com>
- wm4 <nfxjfg@googlemail.com>
- Clément Bœsch <clement@stupeflix.com>
- James Almer <jamrial@gmail.com>
- Michael Niedermayer <michael@niedermayer.cc>
- Rostislav Pehlivanov <atomnuker@gmail.com>
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Currently, AVStream contains an embedded AVCodecContext instance, which
is used by demuxers to export stream parameters to the caller and by
muxers to receive stream parameters from the caller. It is also used
internally as the codec context that is passed to parsers.
In addition, it is also widely used by the callers as the decoding (when
demuxer) or encoding (when muxing) context, though this has been
officially discouraged since Libav 11.
There are multiple important problems with this approach:
- the fields in AVCodecContext are in general one of
* stream parameters
* codec options
* codec state
However, it's not clear which ones are which. It is consequently
unclear which fields are a demuxer allowed to set or a muxer allowed to
read. This leads to erratic behaviour depending on whether decoding or
encoding is being performed or not (and whether it uses the AVStream
embedded codec context).
- various synchronization issues arising from the fact that the same
context is used by several different APIs (muxers/demuxers,
parsers, bitstream filters and encoders/decoders) simultaneously, with
there being no clear rules for who can modify what and the different
processes being typically delayed with respect to each other.
- avformat_find_stream_info() making it necessary to support opening
and closing a single codec context multiple times, thus
complicating the semantics of freeing various allocated objects in the
codec context.
Those problems are resolved by replacing the AVStream embedded codec
context with a newly added AVCodecParameters instance, which stores only
the stream parameters exported by the demuxers or read by the muxers.
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Since 596e5d4783, this is not necessary anymore. It also allows to
actually disable the flushing, improving write performance (but
possibly giving worse latency in real-time streaming).
Signed-off-by: Martin Storsjö <martin@martin.st>
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Fixes ticket 4313.
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Fixes Ticket 5115
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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At the beginning, the value is not initialized.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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VP80 fourcc are writed for all contexts (without ctx->codec_tag)
how to reproduce the issue:
1) Get any vp9 video (for example http://base-n.de/webm/out9.webm)
2) ffmpeg -i out9.webm -vcodec copy out9.ivf
3) out9.ivf have VP80 fourcc at ivf header
The proposed fix solves this issue
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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libvpx tools accept vp9 ivf files
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Since 4f112a8e3, this is not necessary anymore. Also, it allows to
actually disable the flushing.
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* commit '36ef5369ee9b336febc2c270f8718cec4476cb85':
Replace all CODEC_ID_* with AV_CODEC_ID_*
lavc: add AV prefix to codec ids.
Conflicts:
doc/APIchanges
doc/examples/decoding_encoding.c
doc/examples/muxing.c
ffmpeg.c
ffprobe.c
ffserver.c
libavcodec/8svx.c
libavcodec/avcodec.h
libavcodec/dnxhd_parser.c
libavcodec/dvdsubdec.c
libavcodec/error_resilience.c
libavcodec/h263dec.c
libavcodec/libvorbisenc.c
libavcodec/mjpeg_parser.c
libavcodec/mjpegenc.c
libavcodec/mpeg12.c
libavcodec/mpeg4videodec.c
libavcodec/mpegvideo.c
libavcodec/mpegvideo_enc.c
libavcodec/pcm.c
libavcodec/r210dec.c
libavcodec/utils.c
libavcodec/v210dec.c
libavcodec/version.h
libavdevice/alsa-audio-dec.c
libavdevice/bktr.c
libavdevice/v4l2.c
libavformat/asfdec.c
libavformat/asfenc.c
libavformat/avformat.h
libavformat/avidec.c
libavformat/caf.c
libavformat/electronicarts.c
libavformat/flacdec.c
libavformat/flvdec.c
libavformat/flvenc.c
libavformat/framecrcenc.c
libavformat/img2.c
libavformat/img2dec.c
libavformat/img2enc.c
libavformat/ipmovie.c
libavformat/isom.c
libavformat/matroska.c
libavformat/matroskadec.c
libavformat/matroskaenc.c
libavformat/mov.c
libavformat/movenc.c
libavformat/mp3dec.c
libavformat/mpeg.c
libavformat/mpegts.c
libavformat/mxf.c
libavformat/mxfdec.c
libavformat/mxfenc.c
libavformat/nsvdec.c
libavformat/nut.c
libavformat/oggenc.c
libavformat/pmpdec.c
libavformat/rawdec.c
libavformat/rawenc.c
libavformat/riff.c
libavformat/sdp.c
libavformat/utils.c
libavformat/vocenc.c
libavformat/wtv.c
libavformat/xmv.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
cosmetics: Align muxer/demuxer declarations
mpeg12: Do not change frame_pred_frame_dct flag and demote error into a warning
avcodec: remove avcodec_guess_channel_layout()
avutil: Add av_get_default_channel_layout()
Conflicts:
doc/APIchanges
libavcodec/mpeg12.c
libavformat/cdg.c
libavformat/matroskaenc.c
libavformat/mpegts.c
libavformat/nuv.c
libavformat/wav.c
libavutil/audioconvert.c
libavutil/audioconvert.h
libavutil/avutil.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Also add missing trailing commas, break long codec_tag lines and
add spaces in codec_tag declarations.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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In the name of consistency:
put_byte -> avio_w8
put_<type> -> avio_w<type>
put_buffer -> avio_write
put_nbyte will be made private
put_tag will be merged with avio_put_str
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Tested to compile with lavc major bump.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This also lists the objects from those two libraries as internal (by adding
the ff_ prefix) so that they can then be hidden via linker scripts.
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