Store audio length in AudioStream.

[dcpomatic.git] / src / lib / ffmpeg_examiner.cc

diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc
index 44d6a87dfdd6b262b4eaafd5d54ab678d7c809d8..bf9bafbfa8400a6c24a7386913e1bc0480e81e8b 100644 (file)
--- a/src/lib/ffmpeg_examiner.cc
+++ b/src/lib/ffmpeg_examiner.cc
@@ -61,9 +61,17 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
                                s->codec->channel_layout = av_get_default_channel_layout (s->codec->channels);
                        }
 
+                       DCPOMATIC_ASSERT (_format_context->duration != AV_NOPTS_VALUE);
+
                        _audio_streams.push_back (
                                shared_ptr<FFmpegAudioStream> (
-                                       new FFmpegAudioStream (audio_stream_name (s), s->id, s->codec->sample_rate, s->codec->channels)
+                                       new FFmpegAudioStream (
+                                               audio_stream_name (s),
+                                               s->id,
+                                               s->codec->sample_rate,
+                                               (double (_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate,
+                                               s->codec->channels
+                                               )
                                        )
                                );