X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_decoder.h;h=c383b8d1325ef8eb82d8b20e16ddc2168a822407;hb=d0d93259d096faa0d410a27450445a3a1a16c430;hp=4e5445f673acfcd53ebb573f1cf23cf12c644ab4;hpb=5a7a576c41389aa7daebfc37d3d8b0763e96263b;p=dcpomatic.git diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h index 4e5445f67..c383b8d13 100644 --- a/src/lib/ffmpeg_decoder.h +++ b/src/lib/ffmpeg_decoder.h @@ -25,12 +25,17 @@ #include #include #include +#include +#include extern "C" { #include #include } #include "util.h" #include "decoder.h" +#include "video_decoder.h" +#include "audio_decoder.h" +#include "film.h" struct AVFilterGraph; struct AVCodecContext; @@ -39,53 +44,106 @@ struct AVFormatContext; 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 create (std::string t, boost::optional v); + +private: + friend class stream_test; + + FFmpegAudioStream (std::string t, boost::optional 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, boost::shared_ptr, Job *, Log *, bool, bool); + FFmpegDecoder (boost::shared_ptr, DecodeOptions); ~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; - -private: - - bool do_pass (); - PixelFormat pixel_format () const; + libdcp::Size native_size () 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); + void set_subtitle_stream (boost::shared_ptr); + + 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 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 - AVFrame* _frame; + AVFrame* _frame; + AVCodecContext* _video_codec_context; AVCodec* _video_codec; - AVCodecContext* _audio_codec_context; ///< may be 0 if there is no audio - AVCodec* _audio_codec; ///< may be 0 if there is no audio + AVCodecContext* _audio_codec_context; ///< may be 0 if there is no audio + AVCodec* _audio_codec; ///< may be 0 if there is no audio + AVCodecContext* _subtitle_codec_context; ///< may be 0 if there is no subtitle + AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle AVPacket _packet; + + boost::optional _first_video; + boost::optional _first_audio; + + std::list > _filter_graphs; + boost::mutex _filter_graphs_mutex; };