#include <string>
#include <stdint.h>
#include <boost/shared_ptr.hpp>
+#include <boost/optional.hpp>
+#include <boost/thread/mutex.hpp>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libpostproc/postprocess.h>
}
#include "util.h"
#include "decoder.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "film.h"
struct AVFilterGraph;
struct AVCodecContext;
struct AVFrame;
struct AVBufferContext;
struct AVCodec;
+struct AVStream;
class Job;
-class FilmState;
class Options;
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 Decoder
+class FFmpegDecoder : public VideoDecoder, public AudioDecoder
{
public:
- FFmpegDecoder (boost::shared_ptr<const FilmState>, boost::shared_ptr<const Options>, Job *, Log *, bool, bool);
+ FFmpegDecoder (boost::shared_ptr<Film>, boost::shared_ptr<const DecodeOptions>, Job *);
~FFmpegDecoder ();
- /* Methods to query our input video */
- int length_in_frames () const;
- int decoding_frames () const;
float frames_per_second () const;
Size native_size () const;
- int audio_channels () const;
- int audio_sample_rate () const;
- AVSampleFormat audio_sample_format () const;
- int64_t audio_channel_layout () const;
- bool has_subtitles () const;
-
-private:
-
- bool do_pass ();
- PixelFormat pixel_format () const;
+ SourceFrame 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>);
+
+ bool seek (double);
+ bool seek_to_last ();
+
+private:
+
+ bool pass ();
+ bool do_seek (double p, bool);
+ PixelFormat pixel_format () const;
+ AVSampleFormat audio_sample_format () const;
+ int bytes_per_audio_sample () const;
+
+ void out_with_sync ();
+ void filter_and_emit_video (AVFrame *);
+ double frame_time () const;
+
void setup_general ();
void setup_video ();
void setup_audio ();
void setup_subtitle ();
void maybe_add_subtitle ();
+ boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t* data, int size);
+
+ void film_changed (Film::Property);
+
+ std::string stream_name (AVStream* s) const;
AVFormatContext* _format_context;
int _video_stream;
- int _audio_stream; ///< may be < 0 if there is no audio
- int _subtitle_stream; ///< may be < 0 if there is no subtitle
- AVFrame* _frame;
+ AVFrame* _frame;
+
AVCodecContext* _video_codec_context;
AVCodec* _video_codec;
AVCodecContext* _audio_codec_context; ///< may be 0 if there is no audio
AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle
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;
};