*/
+
/** @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 <libavcodec/avcodec.h>
}
-#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>
#include <stdint.h>
+
+class AudioBuffers;
+class FFmpegAudioStream;
+class Image;
class Log;
class VideoFilterGraph;
-class FFmpegAudioStream;
-class AudioBuffers;
struct ffmpeg_pts_offset_test;
+
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
class FFmpegDecoder : public FFmpeg, public Decoder
{
public:
- FFmpegDecoder (boost::shared_ptr<const FFmpegContent>, boost::shared_ptr<Log>);
+ FFmpegDecoder (std::shared_ptr<const Film> film, std::shared_ptr<const FFmpegContent>, bool fast);
- bool pass ();
- void seek (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
+ };
- AVSampleFormat audio_sample_format (boost::shared_ptr<FFmpegAudioStream> stream) const;
- int bytes_per_audio_sample (boost::shared_ptr<FFmpegAudioStream> stream) const;
+ FlushResult flush();
- bool decode_video_packet ();
- void decode_audio_packet ();
- void decode_subtitle_packet ();
+ AVSampleFormat audio_sample_format (std::shared_ptr<FFmpegAudioStream> stream) const;
+ int bytes_per_audio_sample (std::shared_ptr<FFmpegAudioStream> stream) const;
- void decode_bitmap_subtitle (AVSubtitleRect const * rect, ContentTime from);
- void decode_ass_subtitle (std::string ass, ContentTime from);
+ std::shared_ptr<FFmpegAudioStream> audio_stream_from_index (int index) const;
+ void process_audio_frame (std::shared_ptr<FFmpegAudioStream> stream);
+
+ void process_video_frame ();
+
+ 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 ();
- boost::shared_ptr<AudioBuffers> deinterleave_audio (boost::shared_ptr<FFmpegAudioStream> stream) const;
- boost::shared_ptr<Log> _log;
+ FlushResult flush_codecs();
+ FlushResult flush_fill();
+
+ VideoFilterGraphSet _filter_graphs;
+
+ dcpomatic::ContentTime _pts_offset;
+ boost::optional<dcpomatic::ContentTime> _current_subtitle_to;
+ /** true if we have a subtitle which has not had emit_stop called for it yet */
+ bool _have_current_subtitle = false;
+
+ std::shared_ptr<Image> _black_image;
+
+ std::map<std::shared_ptr<FFmpegAudioStream>, boost::optional<dcpomatic::ContentTime>> _next_time;
- std::list<boost::shared_ptr<VideoFilterGraph> > _filter_graphs;
- boost::mutex _filter_graphs_mutex;
+ enum class FlushState {
+ CODECS,
+ AUDIO_DECODER,
+ FILL,
+ };
- ContentTime _pts_offset;
- boost::optional<ContentTime> _current_subtitle_to;
- bool _have_current_subtitle;
+ FlushState _flush_state = FlushState::CODECS;
};