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target regtest-lavfi_pix_fmts.

The lavfi_pix_fmts test is disabled, this because there are
many tests which are failing, and there are still some output files
which cannot be played by NUT/ffplay.

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CODEC_ID_RAWVIDEO <->  Y41B
CODEC_ID_RAWVIDEO <->  Y42B
CODEC_ID_RAWVIDEO <->  YUV9
CODEC_ID_RAWVIDEO <->  YVU9

These codec tags are listed in fourcc.org, and are already listed in
libavcodec/raw.c:ff_raw_pix_fmt_tags as AVI tags.

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This is probably what was originally intended; the codec pointers are all NULL.

Fix by Howard Chu, hyc at highlandsun dot com


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Fix by Howard Chu, hyc at highlandsun dot com


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Patch by Howard Chu, hyc at highlandsun dot com


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Fix by Howard Chu, hyc at highlandsun dot com


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Don't allocate st->codec, it will be overwritten by the memcpy a few
lines further down.

Fix by Howard Chu, hyc at highlandsun dot com


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Patch by Howard Chu, hyc at highlandsun dot com


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reached.



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Patch by Janne Grunau, janne-ffmpeg jannau net 


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Patch by Cyril Russo, stage D nexvision A laposte net


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This isn't exactly semantically equivalent, but the field has already been
long abused to mean this, and writing it helps in determining a decent cfr
time base when transcoding from a mkv where the video codec stores none (VP8).

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This fixes aspect ratio calculation for encoding from files with 0/0 stored,
common with ogg/theora

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seeks needed for binary search when seeking to a previously seen
location.


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block size mode and info byte. Reduced the probe score just in case.


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remain valid. This fixes segfaults for those cases where data copy to 
this invalid pointer is attempted.



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hexadecimal value.

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the input file.

This is required as Nut codec tags are not contained in
ff_codec_bmp_tags.

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codec_tag.

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needing an external MD5 command.


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Keep an old ff_ named function for binary compatibility until the
next major bump.


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input parameters are not valid.

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mapping. Simplify.

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This fixes a regression on Windows introduced by r22769 in which the data read
from the file was not properly zero terminated. The file was read as text,
which caused the \r characters to be suppressed. Since the zero termination
happens at the end of the buffer, and there was one byte less read per line,
this caused the remaining space on the buffer to contain random data.


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