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doc/examples/avcodec: information regarding gop_size ignored if frame->pic-type is AV_PICTURE_TYPE_I

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anshul Maheshwari 2014-03-21 15:59:52 +05:30 committed by Michael Niedermayer
parent 1cd107f637
commit 6d25e90262
1 changed files with 7 additions and 1 deletions
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8
doc/examples/avcodec.c
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@ -375,7 +375,13 @@ static void video_encode_example(const char *filename, int codec_id)
c->height = 288;
/* frames per second */
c->time_base = (AVRational){1,25};
c->gop_size = 10; /* emit one intra frame every ten frames */
/* emit one intra frame every ten frames
* check frame pict_type before passing frame
* to encoder, if frame->pict_type is AV_PICTURE_TYPE_I
* then gop_size is ignored and the output of encoder
* will always be I frame irrespective to gop_size
*/
c->gop_size = 10;
c->max_b_frames = 1;
c->pix_fmt = AV_PIX_FMT_YUV420P;