X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fffmpeg_decoder.h;h=640229f23f74a757e39df7368bcec0ccec9ac0a8;hp=ca42e013e886c2cc08c94ed2edb63d2aae6c831a;hb=HEAD;hpb=dd9be86db6cde0afa5da0d1d1ac43b42e05dca26 diff --git a/src/lib/ffmpeg_decoder.h b/src/lib/ffmpeg_decoder.h index ca42e013e..bd4b74f88 100644 --- a/src/lib/ffmpeg_decoder.h +++ b/src/lib/ffmpeg_decoder.h @@ -18,26 +18,31 @@ */ + /** @file src/ffmpeg_decoder.h * @brief A decoder using FFmpeg to decode content. */ -#include "util.h" + +#include "bitmap_text.h" #include "decoder.h" #include "ffmpeg.h" +#include "video_filter_graph_set.h" extern "C" { #include } #include #include -class Log; -class VideoFilterGraph; -class FFmpegAudioStream; + class AudioBuffers; +class FFmpegAudioStream; class Image; +class Log; +class VideoFilterGraph; struct ffmpeg_pts_offset_test; + /** @class FFmpegDecoder * @brief A decoder using FFmpeg to decode content. */ @@ -46,36 +51,55 @@ class FFmpegDecoder : public FFmpeg, public Decoder public: FFmpegDecoder (std::shared_ptr film, std::shared_ptr, bool fast); - bool pass (); - void seek (dcpomatic::ContentTime time, bool); + bool pass () override; + void seek (dcpomatic::ContentTime time, bool) override; private: friend struct ::ffmpeg_pts_offset_test; - void flush (); + enum class FlushResult { + DONE, + AGAIN + }; + + FlushResult flush(); AVSampleFormat audio_sample_format (std::shared_ptr stream) const; int bytes_per_audio_sample (std::shared_ptr stream) const; - bool decode_video_packet (); - void decode_audio_packet (); - void decode_subtitle_packet (); + std::shared_ptr audio_stream_from_index (int index) const; + void process_audio_frame (std::shared_ptr stream); + + void process_video_frame (); - void decode_bitmap_subtitle (AVSubtitleRect const * rect, dcpomatic::ContentTime from); - void decode_ass_subtitle (std::string ass, dcpomatic::ContentTime from); + bool decode_and_process_video_packet (AVPacket* packet); + void decode_and_process_audio_packet (AVPacket* packet); + void decode_and_process_subtitle_packet (AVPacket* packet); + + BitmapText process_bitmap_subtitle (AVSubtitleRect const * rect); + void process_ass_subtitle (std::string ass, dcpomatic::ContentTime from); void maybe_add_subtitle (); - std::shared_ptr deinterleave_audio (std::shared_ptr stream) const; - std::list > _filter_graphs; - boost::mutex _filter_graphs_mutex; + FlushResult flush_codecs(); + FlushResult flush_fill(); + + VideoFilterGraphSet _filter_graphs; dcpomatic::ContentTime _pts_offset; boost::optional _current_subtitle_to; /** true if we have a subtitle which has not had emit_stop called for it yet */ - bool _have_current_subtitle; + bool _have_current_subtitle = false; std::shared_ptr _black_image; - std::vector > _next_time; + std::map, boost::optional> _next_time; + + enum class FlushState { + CODECS, + AUDIO_DECODER, + FILL, + }; + + FlushState _flush_state = FlushState::CODECS; };