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ffmpeg: fix forced key frames.

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Now that the option was moved in the per-stream context,
the parsing is done before the time_base for the stream is decided.
This patch does the parsing in AV_TIME_BASE units and rescales the
timestamps later when the correct time base is known.

Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Nicolas George 2011-10-05 14:01:46 +02:00 committed by Michael Niedermayer
parent 714517b26a
commit 2c1c0c5024
1 changed files with 7 additions and 5 deletions
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12
ffmpeg.c
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@ -2220,6 +2220,10 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
"Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
}
for (j = 0; j < ost->forced_kf_count; j++)
ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
AV_TIME_BASE_Q,
codec->time_base);
#if CONFIG_AVFILTER
if (configure_video_filters(ist, ost)) {
@ -3171,11 +3175,10 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
return 0;
}
static void parse_forced_key_frames(char *kf, OutputStream *ost, AVCodecContext *avctx)
static void parse_forced_key_frames(char *kf, OutputStream *ost)
{
char *p;
int n = 1, i;
int64_t t;
for (p = kf; *p; p++)
if (*p == ',')
@ -3188,8 +3191,7 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost, AVCodecContext
}
for (i = 0; i < n; i++) {
p = i ? strchr(p, ',') + 1 : kf;
t = parse_time_or_die("force_key_frames", p, 1);
ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
}
}
@ -3382,7 +3384,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
if (forced_key_frames)
parse_forced_key_frames(forced_key_frames, ost, video_enc);
parse_forced_key_frames(forced_key_frames, ost);
MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
ost->force_fps = force_fps;