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avcodec: add avcodec_chroma_pos_to_enum()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-17 22:41:39 +02:00
parent b7397857e2
commit abc8110f7e
4 changed files with 28 additions and 2 deletions
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11
libavcodec/utils.c
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@ -350,6 +350,17 @@ int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
return 0;
}
enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
{
int pos, xout, yout;
for (pos = AVCHROMA_LOC_UNSPECIFIED + 1; pos < AVCHROMA_LOC_NB; pos++) {
if (avcodec_enum_to_chroma_pos(&xout, &yout, pos) == 0 && xout == xpos && yout == ypos)
return pos;
}
return AVCHROMA_LOC_UNSPECIFIED;
}
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
enum AVSampleFormat sample_fmt, const uint8_t *buf,
int buf_size, int align)