Changeset 50bb325 for src


Ignore:
Timestamp:
Dec 23, 2013, 2:25:30 AM (11 years ago)
Author:
Paul Brossier <piem@piem.org>
Branches:
feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+
Children:
3a00b1e7
Parents:
7bb5cef
Message:

src/io/source_avcodec.c: add _seek

File:
1 edited

Legend:

Unmodified
Added
Removed
  • src/io/source_avcodec.c

    r7bb5cef r50bb325  
    371371
    372372uint_t aubio_source_avcodec_seek (aubio_source_avcodec_t * s, uint_t pos) {
    373   //uint_t resampled_pos = (uint_t)ROUND(pos * s->input_samplerate * 1. / s->samplerate);
    374   AUBIO_ERR("Not implemented, _seek(%d) file %s", pos, s->path);
    375   return -1; //sf_seek (s->handle, resampled_pos, SEEK_SET);
     373  int64_t resampled_pos = (uint_t)ROUND(pos * (s->input_samplerate * 1. / s->samplerate));
     374  int64_t min_ts = MAX(resampled_pos - 2000, 0);
     375  int64_t max_ts = MIN(resampled_pos + 2000, INT64_MAX);
     376  int seek_flags = AVSEEK_FLAG_FRAME | AVSEEK_FLAG_ANY;
     377  int ret = avformat_seek_file(s->avFormatCtx, s->selected_stream,
     378      min_ts, resampled_pos, max_ts, seek_flags);
     379  if (ret < 0) {
     380    AUBIO_ERR("Failed seeking to %d in file %s", pos, s->path);
     381  }
     382  // reset read status
     383  s->eof = 0;
     384  s->read_index = 0;
     385  s->read_samples = 0;
     386  // reset the AVAudioResampleContext
     387  avresample_close(s->avr);
     388  avresample_open(s->avr);
     389  return ret;
    376390}
    377391
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