class ALSAOutput;
class ChromaSubsampler;
class DeckLinkOutput;
+class MJPEGEncoder;
class QSurface;
class QSurfaceFormat;
class TimecodeRenderer;
cards[card_index].capture->set_audio_input(input);
}
+ std::string get_ffmpeg_filename(unsigned card_index) const;
+
+ void set_ffmpeg_filename(unsigned card_index, const std::string &filename);
+
void change_x264_bitrate(unsigned rate_kbit) {
video_encoder->change_x264_bitrate(rate_kbit);
}
theme->set_theme_menu_callback(callback);
}
+ void wait_for_next_frame();
+
private:
struct CaptureCard;
std::unique_ptr<ChromaSubsampler> chroma_subsampler;
std::unique_ptr<v210Converter> v210_converter;
std::unique_ptr<VideoEncoder> video_encoder;
+ std::unique_ptr<MJPEGEncoder> mjpeg_encoder;
std::unique_ptr<TimecodeRenderer> timecode_renderer;
std::atomic<bool> display_timecode_in_stream{false};
movit::YCbCrInput *display_input;
int64_t pts_int = 0; // In TIMEBASE units.
- unsigned frame_num = 0;
+
+ mutable std::mutex frame_num_mutex;
+ std::condition_variable frame_num_updated;
+ unsigned frame_num = 0; // Under <frame_num_mutex>.
// Accumulated errors in number of 1/TIMEBASE audio samples. If OUTPUT_FREQUENCY divided by
// frame rate is integer, will always stay zero.
std::function<void()> upload_func; // Needs to be called to actually upload the texture to OpenGL.
unsigned dropped_frames = 0; // Number of dropped frames before this one.
std::chrono::steady_clock::time_point received_timestamp = std::chrono::steady_clock::time_point::min();
+
+ // Used for MJPEG encoding. (upload_func packs everything it needs
+ // into the functor, but would otherwise also use these.)
+ // width=0 or height=0 means a broken frame, ie., do not upload.
+ bmusb::VideoFormat video_format;
+ size_t y_offset, cbcr_offset;
};
std::deque<NewFrame> new_frames;
- bool should_quit = false;
- std::condition_variable new_frames_changed; // Set whenever new_frames (or should_quit) is changed.
+ std::condition_variable new_frames_changed; // Set whenever new_frames is changed.
QueueLengthPolicy queue_length_policy; // Refers to the "new_frames" queue.