X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_decoder.h;h=11f83ed97c9808aeaff603f110814463b51234a6;hb=2d5b8cdde08044d323aa7193dfac6c9f8bca7131;hp=fbd9e5255b57342b7cc3ef3a9c66985b59a75b54;hpb=1d96023ab3987e55fd6452f655dfb900c6012881;p=dcpomatic.git diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h index fbd9e5255..11f83ed97 100644 --- a/src/lib/ffmpeg_decoder.h +++ b/src/lib/ffmpeg_decoder.h @@ -26,84 +26,64 @@ #include #include #include +#include extern "C" { #include #include } #include "util.h" #include "decoder.h" +#include "video_decoder.h" +#include "audio_decoder.h" +#include "subtitle_decoder.h" +#include "ffmpeg.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; +class Film; +class FilterGraph; +class ffmpeg_pts_offset_test; /** @class FFmpegDecoder * @brief A decoder using FFmpeg to decode content. */ -class FFmpegDecoder : public Decoder +class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder, public FFmpeg { public: - FFmpegDecoder (boost::shared_ptr, boost::shared_ptr, Job *, bool); + FFmpegDecoder (boost::shared_ptr, boost::shared_ptr, bool video, bool audio); ~FFmpegDecoder (); - /* Methods to query our input video */ - 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; - - std::vector audio_streams () const; - std::vector subtitle_streams () const; + void pass (); + void seek (VideoContent::Frame, bool); + bool done () const; private: + friend class ::ffmpeg_pts_offset_test; + + static double compute_pts_offset (double, double, float); - bool pass (); - PixelFormat pixel_format () const; - int time_base_numerator () const; - int time_base_denominator () const; - int sample_aspect_ratio_numerator () const; - int sample_aspect_ratio_denominator () const; + void flush (); - void setup_general (); - void setup_video (); - void setup_audio (); void setup_subtitle (); - void maybe_add_subtitle (); + AVSampleFormat audio_sample_format () const; + int bytes_per_audio_sample () const; - std::string stream_name (AVStream* s) const; + bool decode_video_packet (); + void decode_audio_packet (); + void decode_subtitle_packet (); - 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; + void maybe_add_subtitle (); + boost::shared_ptr deinterleave_audio (uint8_t** data, int size); - std::vector _audio_streams; - std::vector _subtitle_streams; - - 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 + AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle + + std::list > _filter_graphs; + boost::mutex _filter_graphs_mutex; - AVPacket _packet; + bool _decode_video; + bool _decode_audio; - boost::optional _first_video; - boost::optional _first_audio; + double _video_pts_offset; + double _audio_pts_offset; + bool _just_sought; };