using boost::optional;
using boost::shared_ptr;
-AudioDecoder::AudioDecoder (shared_ptr<const Film> film)
+AudioDecoder::AudioDecoder (shared_ptr<const Film> film, shared_ptr<const AudioContent> content)
: Decoder (film)
+ , _audio_content (content)
, _audio_position (0)
{
Audio (data, frame);
_audio_position = frame + data->frames ();
}
+
+/** This is a bit odd, but necessary when we have (e.g.) FFmpegDecoders with no audio.
+ * The player needs to know that there is no audio otherwise it will keep trying to
+ * pass() the decoder to get it to emit audio.
+ */
+bool
+AudioDecoder::has_audio () const
+{
+ return _audio_content->audio_channels () > 0;
+}