diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-05-23 08:07:38 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-05-23 08:07:38 +0100 |
| commit | e8819ad7580f25eea7ca3c59cf0a3979d76a6b44 (patch) | |
| tree | 1ecec7476192945084a822916c1d565f35054ade /src/lib/ffmpeg_decoder.cc | |
| parent | 929b4c37eaf9593892f61df80309a8c8ad6c05a0 (diff) | |
Some more tidying up.
Diffstat (limited to 'src/lib/ffmpeg_decoder.cc')
| -rw-r--r-- | src/lib/ffmpeg_decoder.cc | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc index c0867095f..f7bb97944 100644 --- a/src/lib/ffmpeg_decoder.cc +++ b/src/lib/ffmpeg_decoder.cc @@ -222,7 +222,7 @@ FFmpegDecoder::setup_subtitle () } -bool +void FFmpegDecoder::pass () { int r = av_read_frame (_format_context, &_packet); @@ -232,7 +232,9 @@ FFmpegDecoder::pass () /* Maybe we should fail here, but for now we'll just finish off instead */ char buf[256]; av_strerror (r, buf, sizeof(buf)); - _film->log()->log (String::compose (N_("error on av_read_frame (%1) (%2)"), buf, r)); + shared_ptr<const Film> film = _film.lock (); + assert (film); + film->log()->log (String::compose (N_("error on av_read_frame (%1) (%2)"), buf, r)); } /* Get any remaining frames */ @@ -250,7 +252,7 @@ FFmpegDecoder::pass () decode_audio_packet (); } - return true; + return; } avcodec_get_frame_defaults (_frame); @@ -270,19 +272,18 @@ FFmpegDecoder::pass () if (sub.num_rects > 0) { shared_ptr<TimedSubtitle> ts; try { - emit_subtitle (shared_ptr<TimedSubtitle> (new TimedSubtitle (sub))); + subtitle (shared_ptr<TimedSubtitle> (new TimedSubtitle (sub))); } catch (...) { /* some problem with the subtitle; we probably didn't understand it */ } } else { - emit_subtitle (shared_ptr<TimedSubtitle> ()); + subtitle (shared_ptr<TimedSubtitle> ()); } avsubtitle_free (&sub); } } av_free_packet (&_packet); - return false; } /** @param data pointer to array of pointers to buffers. @@ -404,17 +405,11 @@ FFmpegDecoder::audio_sample_format () const } libdcp::Size -FFmpegDecoder::native_size () const +FFmpegDecoder::video_size () const { return libdcp::Size (_video_codec_context->width, _video_codec_context->height); } -PixelFormat -FFmpegDecoder::pixel_format () const -{ - return _video_codec_context->pix_fmt; -} - string FFmpegDecoder::stream_name (AVStream* s) const { @@ -448,38 +443,37 @@ FFmpegDecoder::bytes_per_audio_sample () const return av_get_bytes_per_sample (audio_sample_format ()); } -bool +void FFmpegDecoder::seek (Time t) { - return do_seek (t, false, false); + do_seek (t, false, false); } -bool +void FFmpegDecoder::seek_back () { if (next() < 2.5) { - return true; + return; } - return do_seek (next() - 2.5 * TIME_HZ / video_frame_rate(), true, true); + do_seek (next() - 2.5 * TIME_HZ / video_frame_rate(), true, true); } -bool +void FFmpegDecoder::seek_forward () { if (next() >= (video_length() - video_frame_rate())) { - return true; + return; } - return do_seek (next() - 0.5 * TIME_HZ / video_frame_rate(), true, true); + do_seek (next() - 0.5 * TIME_HZ / video_frame_rate(), true, true); } -bool +void FFmpegDecoder::do_seek (Time t, bool backwards, bool accurate) { int64_t const vt = t / (av_q2d (_format_context->streams[_video_stream]->time_base) * TIME_HZ); - - int const r = av_seek_frame (_format_context, _video_stream, vt, backwards ? AVSEEK_FLAG_BACKWARD : 0); + av_seek_frame (_format_context, _video_stream, vt, backwards ? AVSEEK_FLAG_BACKWARD : 0); avcodec_flush_buffers (_video_codec_context); if (_subtitle_codec_context) { @@ -490,7 +484,7 @@ FFmpegDecoder::do_seek (Time t, bool backwards, bool accurate) while (1) { int r = av_read_frame (_format_context, &_packet); if (r < 0) { - return true; + return; } avcodec_get_frame_defaults (_frame); @@ -510,7 +504,7 @@ FFmpegDecoder::do_seek (Time t, bool backwards, bool accurate) } } - return r < 0; + return; } void @@ -590,7 +584,10 @@ FFmpegDecoder::decode_video_packet () if (i == _filter_graphs.end ()) { graph.reset (new FilterGraph (_film, this, libdcp::Size (_frame->width, _frame->height), (AVPixelFormat) _frame->format)); _filter_graphs.push_back (graph); - _film->log()->log (String::compose (N_("New graph for %1x%2, pixel format %3"), _frame->width, _frame->height, _frame->format)); + + shared_ptr<const Film> film = _film.lock (); + assert (film); + film->log()->log (String::compose (N_("New graph for %1x%2, pixel format %3"), _frame->width, _frame->height, _frame->format)); } else { graph = *i; } @@ -605,9 +602,11 @@ FFmpegDecoder::decode_video_packet () (as per old Matcher) */ Time const t = bet * av_q2d (_format_context->streams[_video_stream]->time_base) * TIME_HZ; - emit_video (*i, false, t); + video (*i, false, t); } else { - _film->log()->log ("Dropping frame without PTS"); + shared_ptr<const Film> film = _film.lock (); + assert (film); + film->log()->log ("Dropping frame without PTS"); } } |
