X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_decoder.h;h=680e39c393a9dad5aca9e71cae4337e9108e1472;hb=f0e95aa5b7ada81a1c40f06facab2e94e45ab26c;hp=1e273752a59e874d8fde97fa22d261a56e9a5d2d;hpb=9525e7726e4d488f193957d4fcf1cc1725581ae8;p=dcpomatic.git diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h index 1e273752a..680e39c39 100644 --- a/src/lib/ffmpeg_decoder.h +++ b/src/lib/ffmpeg_decoder.h @@ -35,108 +35,56 @@ extern "C" { #include "decoder.h" #include "video_decoder.h" #include "audio_decoder.h" -#include "film.h" -#include "ffmpeg_content.h" - -struct AVFilterGraph; -struct AVCodecContext; -struct AVFilterContext; -struct AVFormatContext; -struct AVFrame; -struct AVBufferContext; -struct AVCodec; -struct AVStream; -class Job; -class Options; -class Image; -class Log; +#include "subtitle_decoder.h" +#include "ffmpeg.h" + +class Film; +class FilterGraph; +class ffmpeg_pts_offset_test; /** @class FFmpegDecoder * @brief A decoder using FFmpeg to decode content. */ -class FFmpegDecoder : public VideoDecoder, public AudioDecoder +class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder, public FFmpeg { public: - FFmpegDecoder (boost::shared_ptr, boost::shared_ptr, bool video, bool audio, bool subtitles); + FFmpegDecoder (boost::shared_ptr, boost::shared_ptr, bool video, bool audio); ~FFmpegDecoder (); - float video_frame_rate () const; - libdcp::Size native_size () 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; - - std::vector subtitle_streams () const { - return _subtitle_streams; - } - - std::vector audio_streams () const { - return _audio_streams; - } - - bool seek (double); - bool seek_forward (); - bool seek_back (); - bool pass (); + void seek (ContentTime time, bool); private: + friend class ::ffmpeg_pts_offset_test; - /* No copy construction */ - FFmpegDecoder (FFmpegDecoder const &); - FFmpegDecoder& operator= (FFmpegDecoder const &); + bool pass (); + void flush (); + ContentTime first_audio () const; + + void setup_subtitle (); - PixelFormat pixel_format () const; AVSampleFormat audio_sample_format () const; int bytes_per_audio_sample () const; - bool do_seek (double, bool, bool); - - void filter_and_emit_video (); - - void setup_general (); - void setup_video (); - void setup_audio (); - void setup_subtitle (); + bool decode_video_packet (); void decode_audio_packet (); + void decode_subtitle_packet (); 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; - - boost::shared_ptr _ffmpeg_content; - - AVFormatContext* _format_context; - int _video_stream; - - AVFrame* _frame; + bool seek_overrun_finished (ContentTime, boost::optional, boost::optional) const; + bool seek_final_finished (int, int) const; + int minimal_run (boost::function, boost::optional, int)>); + void seek_and_flush (int64_t); - 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* _subtitle_codec_context; ///< may be 0 if there is no subtitle - AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle - - AVPacket _packet; - + AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle + std::list > _filter_graphs; boost::mutex _filter_graphs_mutex; - std::vector _subtitle_streams; - std::vector _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; + double _pts_offset; };