diff options
| author | Carl Hetherington <cth@carlh.net> | 2012-12-18 21:13:53 +0000 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2012-12-18 21:13:53 +0000 |
| commit | 602fd58eff38fdfccc489b9f77b3ff0ca0009566 (patch) | |
| tree | f44645730c3b412fcc0c79f4bca73260567a362d /src/lib/ffmpeg_decoder.cc | |
| parent | 039a55081427b1ff0026cd6b9ca787526d37ef92 (diff) | |
| parent | 0330d9b2924767d9240c5a25e9ed4327eb0a73bd (diff) | |
Fix merge.
Diffstat (limited to 'src/lib/ffmpeg_decoder.cc')
| -rw-r--r-- | src/lib/ffmpeg_decoder.cc | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc index 0e4446a86..c4ca00fa6 100644 --- a/src/lib/ffmpeg_decoder.cc +++ b/src/lib/ffmpeg_decoder.cc @@ -334,7 +334,7 @@ FFmpegDecoder::pass () if (sub.num_rects > 0) { shared_ptr<TimedSubtitle> ts; try { - emit_subtitle (shared_ptr<TimedSubtitle> (new TimedSubtitle (sub, _first_video.get()))); + emit_subtitle (shared_ptr<TimedSubtitle> (new TimedSubtitle (sub))); } catch (...) { /* some problem with the subtitle; we probably didn't understand it */ } @@ -543,24 +543,35 @@ FFmpegDecoder::filter_and_emit_video (AVFrame* frame) list<shared_ptr<Image> > images = graph->process (frame); - SourceFrame const sf = av_q2d (_format_context->streams[_video_stream]->time_base) - * av_frame_get_best_effort_timestamp(_frame) * frames_per_second(); + double const st = av_frame_get_best_effort_timestamp(_frame) * av_q2d (_format_context->streams[_video_stream]->time_base); for (list<shared_ptr<Image> >::iterator i = images.begin(); i != images.end(); ++i) { - emit_video (*i, sf); + emit_video (*i, st); } } bool -FFmpegDecoder::seek (SourceFrame f) +FFmpegDecoder::seek (double p) { - int64_t const vt = static_cast<int64_t>(f) / (av_q2d (_format_context->streams[_video_stream]->time_base) * frames_per_second()); + return do_seek (p, false); +} - /* This AVSEEK_FLAG_BACKWARD is a bit of a hack; without it, if we ask for a seek to the same place as last time +bool +FFmpegDecoder::seek_to_last () +{ + /* This AVSEEK_FLAG_BACKWARD in do_seek is a bit of a hack; without it, if we ask for a seek to the same place as last time (used when we change decoder parameters and want to re-fetch the frame) we end up going forwards rather than staying in the same place. */ - int const r = av_seek_frame (_format_context, _video_stream, vt, (f == last_source_frame() ? AVSEEK_FLAG_BACKWARD : 0)); + return do_seek (last_source_time(), true); +} + +bool +FFmpegDecoder::do_seek (double p, bool backwards) +{ + int64_t const vt = p / av_q2d (_format_context->streams[_video_stream]->time_base); + + int const r = av_seek_frame (_format_context, _video_stream, vt, backwards ? AVSEEK_FLAG_BACKWARD : 0); avcodec_flush_buffers (_video_codec_context); if (_subtitle_codec_context) { |
