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ffmpeg: Support preserving the source key frame timings

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Added option "source" to force_key_frames
This commit is contained in:
anatolschwarz
2015-05-05 16:14:35 +03:00
committed by Michael Niedermayer
parent 3a91a07f15
commit 77cc0d5b59
1 changed files with 8 additions and 1 deletions
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9
ffmpeg.c
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@@ -1104,6 +1104,10 @@ static void do_video_out(AVFormatContext *s,
}
ost->forced_keyframes_expr_const_values[FKF_N] += 1;
} else if ( ost->forced_keyframes
&& !strncmp(ost->forced_keyframes, "source", 6)
&& in_picture->key_frame==1) {
forced_keyframe = 1;
}
if (forced_keyframe) {
@@ -2942,7 +2946,10 @@ static int transcode_init(void)
ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
} else {
// Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
// parse it only for static kf timings
} else if(strncmp(ost->forced_keyframes, "source", 6)) {
parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
}
}