X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=e757e5401aaef804d7407c92e4536a3de3213cb6;hb=88e187267df754a99dba3222a94e01362986f720;hp=198dfb8dcb6d1ccd0cb2f52fc5119aa6d785e981;hpb=4928ece9b10df775ab3003c024f52bdd30d8f591;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index 198dfb8dc..e757e5401 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -28,120 +28,44 @@ #include #include #include -#include -extern "C" { -#include -} +#include #include "util.h" +#include "stream.h" +#include "video_source.h" +#include "audio_source.h" class Job; -class FilmState; class Options; class Image; class Log; class DelayLine; +class TimedSubtitle; +class Subtitle; +class Film; +class FilterGraph; /** @class Decoder. * @brief Parent class for decoders of content. * - * These classes can be instructed run through their content - * (by calling ::go), and they emit signals when video or audio data is ready for something else - * to process. + * These classes can be instructed run through their content (by + * calling ::go), and they emit signals when video or audio data is + * ready for something else to process. */ class Decoder { public: - Decoder (boost::shared_ptr, boost::shared_ptr, Job *, Log *, bool, bool); - virtual ~Decoder (); + Decoder (boost::shared_ptr, boost::shared_ptr, Job *); + virtual ~Decoder () {} - /* Methods to query our input video */ + virtual bool pass () = 0; - /** @return length in video frames */ - virtual int length_in_frames () const = 0; - /** @return video frames per second, or 0 if unknown */ - virtual float frames_per_second () const = 0; - /** @return native size in pixels */ - virtual Size native_size () const = 0; - /** @return number of audio channels */ - virtual int audio_channels () const = 0; - /** @return audio sampling rate in Hz */ - virtual int audio_sample_rate () const = 0; - /** @return format of audio samples */ - virtual AVSampleFormat audio_sample_format () const = 0; - virtual int64_t audio_channel_layout () const = 0; - - void process_begin (); - bool pass (); - void process_end (); - void go (); - - /** @return the index of the last video frame to be processed */ - int last_video_frame () const { - return _video_frame; - } - - int decoding_frames () const; - - /** Emitted when a video frame is ready. - * First parameter is the frame. - * Second parameter is its index within the content. - */ - sigc::signal, int> Video; - - /** Emitted when some audio data is ready. - * First parameter is the interleaved sample data, format is given in the FilmState. - * Second parameter is the size of the data. - */ - sigc::signal Audio; - protected: - /** perform a single pass at our content */ - virtual bool do_pass () = 0; - virtual PixelFormat pixel_format () const = 0; - virtual int time_base_numerator () const = 0; - virtual int time_base_denominator () const = 0; - virtual int sample_aspect_ratio_numerator () const = 0; - virtual int sample_aspect_ratio_denominator () const = 0; - - void process_video (AVFrame *); - void process_audio (uint8_t *, int, int); - - /** our FilmState */ - boost::shared_ptr _fs; + /** our Film */ + boost::shared_ptr _film; /** our options */ boost::shared_ptr _opt; /** associated Job, or 0 */ Job* _job; - /** log that we can write to */ - Log* _log; - - /** true to do the bare minimum of work; just run through the content. Useful for acquiring - * accurate frame counts as quickly as possible. This generates no video or audio output. - */ - bool _minimal; - - /** ignore_length Ignore the content's claimed length when computing progress */ - bool _ignore_length; - -private: - void setup_video_filters (); - - /** last video frame to be processed */ - int _video_frame; - - AVFilterContext* _buffer_src_context; - AVFilterContext* _buffer_sink_context; - - SwrContext* _swr_context; - - bool _have_setup_video_filters; - DelayLine* _delay_line; - int _delay_in_bytes; - - /* Number of audio frames that we have pushed to the encoder - (at the DCP sample rate). - */ - int _audio_frames_processed; }; #endif