#include "video_decoder.h"
#include "audio_decoder.h"
#include "film.h"
+#include "ffmpeg_content.h"
struct AVFilterGraph;
struct AVCodecContext;
class Image;
class Log;
-class FFmpegAudioStream : public AudioStream
-{
-public:
- FFmpegAudioStream (std::string n, int i, int s, int64_t c)
- : AudioStream (s, c)
- , _name (n)
- , _id (i)
- {}
-
- std::string to_string () const;
-
- std::string name () const {
- return _name;
- }
-
- int id () const {
- return _id;
- }
-
- static boost::shared_ptr<FFmpegAudioStream> create (std::string t, boost::optional<int> v);
-
-private:
- friend class stream_test;
-
- FFmpegAudioStream (std::string t, boost::optional<int> v);
-
- std::string _name;
- int _id;
-};
-
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
class FFmpegDecoder : public VideoDecoder, public AudioDecoder
{
public:
- FFmpegDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const DecodeOptions>, Job *);
+ FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio, bool subtitles);
~FFmpegDecoder ();
- float frames_per_second () const;
+ float video_frame_rate () const;
libdcp::Size native_size () const;
- SourceFrame length () const;
+ ContentVideoFrame video_length () const;
int time_base_numerator () const;
int time_base_denominator () const;
int sample_aspect_ratio_numerator () const;
int sample_aspect_ratio_denominator () const;
- void set_audio_stream (boost::shared_ptr<AudioStream>);
- void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
+ std::vector<FFmpegSubtitleStream> subtitle_streams () const {
+ return _subtitle_streams;
+ }
+
+ std::vector<FFmpegAudioStream> audio_streams () const {
+ return _audio_streams;
+ }
bool seek (double);
- bool seek_to_last ();
+ bool seek_forward ();
+ bool seek_back ();
+ bool pass ();
private:
- bool pass ();
- bool do_seek (double p, bool);
+ /* No copy construction */
+ FFmpegDecoder (FFmpegDecoder const &);
+ FFmpegDecoder& operator= (FFmpegDecoder const &);
+
PixelFormat pixel_format () const;
AVSampleFormat audio_sample_format () const;
int bytes_per_audio_sample () const;
+ bool do_seek (double, bool, bool);
- void out_with_sync ();
- void filter_and_emit_video (AVFrame *);
- double frame_time () const;
+ void filter_and_emit_video ();
void setup_general ();
void setup_video ();
void setup_audio ();
void setup_subtitle ();
+ void decode_audio_packet ();
+
void maybe_add_subtitle ();
- boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t* data, int size);
+ boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
void film_changed (Film::Property);
std::string stream_name (AVStream* s) const;
+ boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
+
AVFormatContext* _format_context;
int _video_stream;
AVPacket _packet;
- boost::optional<double> _first_video;
- boost::optional<double> _first_audio;
-
std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
boost::mutex _filter_graphs_mutex;
+
+ std::vector<FFmpegSubtitleStream> _subtitle_streams;
+ std::vector<FFmpegAudioStream> _audio_streams;
+
+ bool _decode_video;
+ bool _decode_audio;
+ bool _decode_subtitles;
+
+ /* It would appear (though not completely verified) that one must have
+ a mutex around calls to avcodec_open* and avcodec_close... and here
+ it is.
+ */
+ static boost::mutex _mutex;
};