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ffmpeg: allow overriding input top field first 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-31 12:29:07 +02:00
parent 824a6975ee
commit 60de761657
1 changed files with 7 additions and 0 deletions
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7
ffmpeg.c
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@ -237,6 +237,7 @@ typedef struct InputStream {
int showed_multi_packet_warning;
AVDictionary *opts;
AVRational framerate; /* framerate forced with -r */
int top_field_first;
int resample_height;
int resample_width;
@ -2574,6 +2575,9 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
return ret;
}
if(ist->top_field_first>=0)
decoded_frame->top_field_first = ist->top_field_first;
best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
if(best_effort_timestamp != AV_NOPTS_VALUE)
ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
@ -4082,6 +4086,9 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
exit_program(1);
}
ist->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
break;
case AVMEDIA_TYPE_AUDIO:
guess_input_channel_layout(ist);