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libtheoraenc.c: mark keyframes

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Originally committed as revision 20816 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2009-12-12 20:18:46 +00:00
parent 5e15c7d95b
commit c39b94be60
1 changed files with 3 additions and 0 deletions
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3
libavcodec/libtheoraenc.c
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@ -46,6 +46,7 @@ typedef struct TheoraContext {
int stats_offset;
int uv_hshift;
int uv_vshift;
int keyframe_mask;
} TheoraContext;
/*!
@ -218,6 +219,7 @@ static av_cold int encode_init(AVCodecContext* avc_context)
return -1;
}
h->keyframe_mask = (1 << t_info.keyframe_granule_shift) - 1;
/* Clear up theora_info struct */
th_info_clear(&t_info);
@ -336,6 +338,7 @@ static int encode_frame(AVCodecContext* avc_context, uint8_t *outbuf,
// HACK: does not take codec delay into account (neither does the decoder though)
avc_context->coded_frame->pts = frame->pts;
avc_context->coded_frame->key_frame = !(o_packet.granulepos & h->keyframe_mask);
return o_packet.bytes;
}