ffmpeg: rescue poor abused start_time global.
Keep a per-OutputFile instance of it, thus making -ss work with multiple output files.
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08890d355e
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d4d5a95055
16
ffmpeg.c
16
ffmpeg.c
@ -330,6 +330,7 @@ typedef struct OutputFile {
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AVDictionary *opts;
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int ost_index; /* index of the first stream in output_streams */
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int64_t recording_time; /* desired length of the resulting file in microseconds */
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int64_t start_time; /* start time in microseconds */
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} OutputFile;
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static InputStream *input_streams = NULL;
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@ -688,7 +689,8 @@ static double
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get_sync_ipts(const OutputStream *ost)
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{
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const InputStream *ist = ost->sync_ist;
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return (double)(ist->pts - start_time)/AV_TIME_BASE;
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OutputFile *of = &output_files[ost->file_index];
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return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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}
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static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
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@ -1640,8 +1642,7 @@ static int output_packet(InputStream *ist, int ist_index,
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}
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/* if output time reached then transcode raw format,
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encode packets and output them */
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if (start_time == 0 || ist->pts >= start_time)
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for(i=0;i<nb_ostreams;i++) {
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for (i = 0; i < nb_ostreams; i++) {
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OutputFile *of = &output_files[ost_table[i].file_index];
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int frame_size;
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@ -1649,8 +1650,11 @@ static int output_packet(InputStream *ist, int ist_index,
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if (ost->source_index != ist_index)
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continue;
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if (of->start_time && ist->pts < of->start_time)
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continue;
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if (of->recording_time != INT64_MAX &&
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av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + start_time,
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av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
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(AVRational){1, 1000000}) >= 0) {
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ost->is_past_recording_time = 1;
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continue;
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@ -1702,7 +1706,7 @@ static int output_packet(InputStream *ist, int ist_index,
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AVFrame avframe; //FIXME/XXX remove this
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AVPicture pict;
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AVPacket opkt;
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int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
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int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
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av_init_packet(&opkt);
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@ -3724,6 +3728,7 @@ static int opt_output_file(const char *opt, const char *filename)
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output_files[nb_output_files - 1].ctx = oc;
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output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
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output_files[nb_output_files - 1].recording_time = recording_time;
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output_files[nb_output_files - 1].start_time = start_time;
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av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
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/* check filename in case of an image number is expected */
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@ -3854,6 +3859,7 @@ static int opt_output_file(const char *opt, const char *filename)
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audio_sample_fmt = AV_SAMPLE_FMT_NONE;
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chapters_input_file = INT_MAX;
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recording_time = INT64_MAX;
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start_time = 0;
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av_freep(&meta_data_maps);
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nb_meta_data_maps = 0;
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