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It uses at least sin()
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"into the doc/examples directory" vs "into doc/examples".
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Adjust the code so that a working ffplay command is printed in the
planar audio case.
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There is no reason why this should copy the audio data in a very
complicated way. Also, strictly write the first plane, instead of
writing the whole buffer. This is more helpful in context of the
example. This way a user can clearly confirm that it works by playing
the written data as raw audio.
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This assumes one audio packet is decoded one time. This is not true:
packets can be partially decoded. Then you have to "adjust" the packet
and pass the undecoded part of the packet to the decode function again.
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Allows to encode to output in case the destination sample format is
different from AV_SAMPLE_FMT_S16.
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the next bump
Add function avfilter_graph_parse_ptr() and favor it in place of
avfilter_graph_parse(), which will be restored with the old/Libav
signature at the next bump.
If HAVE_INCOMPATIBLE_LIBAV_API is enabled it will use the
Libav-compatible signature for avfilter_graph_parse().
At the next major bump the current implementation of
avfilter_graph_parse() should be dropped in favor of the Libav/old
implementation.
Should address trac ticket #2672.
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The new name is less confusing, since the variables represent times
rather than timestamps.
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There is no much point in optimizing example code, and the -O2 flag is
annoying when debugging.
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Simpler and less confusing.
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The frame is not used after being added to the filter
graph, there is no need to keep the reference.
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AVABufferSinkParams are ignored by avfilter_graph_create_filter,
therefore the example is misleading. Use av_opt_set_int_list to
configure abuffersink directly.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes accessing freed memory
Signe-off-by: Michael Niedermayer <michaelni@gmx.at>
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This filter is not required anymore with aformat. Drop it at next bump.
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* commit 'bcc94328980e6c56546792ab08b0756abdce310b':
opt: check the return values of av_get_token for ENOMEM.
doc: Fix best_nb_channells typo
matroska: pass the lace size to the matroska_parse_rm_audio
Conflicts:
libavformat/matroskadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Simplify.
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display_frame() functions
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In particular, fix crash.
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In particular, fix crash.
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* commit '9d3009c6c4b9b6734f07df7c88f6a42ded6cdf38':
avconv: print an error on applying options of the wrong type.
atomic: Check for __sync_val_compare_and_swap instead of __sync_synchronize
output-example: Update to use encode_video2 instead of the now dropped encode_video
Conflicts:
doc/examples/muxing.c
ffmpeg_opt.c
libavutil/atomic.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Do not re-call avcodec_get_context_defaults3(), it is already
called by avformat_new_stream() and it leaks the codec
priv_data that was already allocated.
Use avformat_free_context() instead of freeing (not)
everything manually.
Fix trac ticket #2322.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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The size of the AVFrame structure is not part of the ABI;
it can grow with later versions. Therefore, applications
are not supposed to allocate AVFrame directly, they are
supposed to use avcodec_alloc_frame() instead.
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Fix leak.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Illustrate the use of return values, av_err2str and
avcodec_get_name.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '97bf7c03b1338a867da52c159a2afecbdedcfa88':
doc: git-howto: Leave reviewers time to react before pushing patches
Include libavutil/channel_layout.h instead of libavutil/audioconvert.h
lavu: rename audioconvert.* to channel_layout.* and deprecate audioconvert.h
Conflicts:
doc/APIchanges
doc/examples/decoding_encoding.c
doc/git-howto.texi
ffmpeg_filter.c
libavcodec/flacdec.c
libavcodec/imc.c
libavcodec/mpegaudiodec.c
libavcodec/utils.c
libavfilter/asrc_anullsrc.c
libavfilter/audio.c
libavfilter/avfilter.c
libavfilter/avfilter.h
libavfilter/avfiltergraph.c
libavfilter/buffer.c
libavutil/Makefile
libavutil/audioconvert.h
libavutil/channel_layout.c
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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s/video/audio/ in a log message.
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Implement more logical code flow.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Allow to factorize code in video_decode_example(), simplify.
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Decrease confusion.
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fill_yuv_frame()
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Factorize.
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Fix crash in case frame is not defined (e.g. with muxing out.wav).
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The API was never changed since 2003. Replace with a comment about the
performed operation.
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