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Marton Balint
98f6c59f4f
avformat/electronicarts: add option to return alpha channel in the main video stream in VP6A codec
...
VP6 alpha in EA format is a second VP6 encoded video stream where only the Y
component is used and is interpreted as the alpha channel of the first VP6
stream. The alpha VP6 stream is muxed separately from the main VP6 stream, has
its own stream headers and packet headers. In theory the two streams might not
even have the same resolution (although most likely that is not something that
is seen or supported in the wild), but the format is capable of doing it.
Merged VP6 alpha (also known as the VP6A codec) means that a packet of the
video stream contains the corresponding packet of both VP6 substreams like
this:
{OffsetOfAlpha, DataPacket, AlphaDataPacket}
So data and alpha data of a frame is merged to a single packet, this is how VP6
video with alpha is muxed in FLV and SWF.
The first approach is more like how the demuxer sees data in the EA format,
unfortunately it is different to what the FLV or SWF format expects, so -
having no better place for it in the framework - I decided to do an optional
format conversion in the EA demuxer.
Signed-off-by: Marton Balint <cus@passwd.hu>
2 years ago
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dev_community
Doc: Tech Resolution Process
4 years ago
doxy
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examples
doc/examples: Add qsv_transcode example
2 years ago
.gitignore
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APIchanges
Revert "lavc: deprecate avcodec_dct, av_fft, av_dct, av_rdft and av_mdct"
2 years ago
Doxyfile
doc/Doxyfile: Add FF_PAD_STRUCTURE to PREDEFINED
2 years ago
Makefile
doc: fix css file install for out-of-tree builds
3 years ago
authors.texi
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bitstream_filters.texi
avcodec/h264_redundant_pps_bsf: Don't remove PPS
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bootstrap.min.css
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build_system.txt
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codecs.texi
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2 years ago
decoders.texi
doc/decoders: document the max_frame_delay libdav1d option
2 years ago
default.css
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demuxers.texi
avformat/electronicarts: add option to return alpha channel in the main video stream in VP6A codec
2 years ago
developer.texi
doc/developer.texi: refine the "contributing code" section
2 years ago
devices.texi
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doxy-wrapper.sh
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3 years ago
encoders.texi
libavcodec/qsvenc: Add skip_frame support to qsvenc
2 years ago
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faq.texi
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3 years ago
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ffmpeg-bitstream-filters.texi
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ffmpeg-codecs.texi
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ffmpeg-devices.texi
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ffmpeg-filters.texi
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ffmpeg-formats.texi
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ffmpeg-protocols.texi
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ffmpeg-resampler.texi
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ffmpeg-scaler.texi
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ffmpeg-utils.texi
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ffmpeg.texi
ffmpeg: Add display_{rotation, hflip, vflip} options
2 years ago
ffmpeg.txt
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ffplay.texi
doc/ffplay: put keystrokes to decrease and increase volume on the same line
3 years ago
ffprobe.texi
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ffprobe.xsd
fftools/ffprobe: Report initial and trailing padding
2 years ago
fftools-common-opts.texi
cmdutils: add an option for listing stream dispositions
3 years ago
filter_design.txt
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filters.texi
avfilter/vf_libplacebo: default to normalize_sar=0
2 years ago
formats.texi
avformat: Remove deprecated AVFMT_FLAG_MP4A_LATM flag, latm option
4 years ago
general.texi
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general_contents.texi
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2 years ago
git-howto.texi
doc/git-howto.texi: Document commit signing
2 years ago
indevs.texi
avdevice/pulse_audio_dec: deprecate frame_size option
2 years ago
issue_tracker.txt
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lexicon
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libav-merge.txt
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libavcodec.texi
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libavdevice.texi
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libavfilter.texi
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libavformat.texi
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libavutil.texi
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libswresample.texi
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libswscale.texi
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mailing-list-faq.texi
doc/mailing-list-faq.texi: remove remaining references to Freenode
3 years ago
metadata.texi
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mips.txt
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multithreading.txt
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muxers.texi
avformat/mpegtsenc: add omit_rai flag
2 years ago
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optimization.txt
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2 years ago
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resampler.texi
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scaler.texi
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snow.txt
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style.min.css
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swresample.txt
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swscale.txt
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t2h.pm
doc/t2h.pm: fix missing TOC with texinfo 6.8 and above
3 years ago
tablegen.txt
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texi2pod.pl
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texidep.pl
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transforms.md
x86/tx_float: add 15xN PFA FFT AVX SIMD
2 years ago
undefined.txt
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utils.texi
avutil/channel_layout: add a 7.1(top) channel layout
2 years ago
writing_filters.txt
Update missed irc links
3 years ago