class ALSAOutput;
class ChromaSubsampler;
class DeckLinkOutput;
+class MJPEGEncoder;
class QSurface;
class QSurfaceFormat;
class TimecodeRenderer;
}
// Note: You can also get this through the global variable global_audio_mixer.
- AudioMixer *get_audio_mixer() { return &audio_mixer; }
- const AudioMixer *get_audio_mixer() const { return &audio_mixer; }
+ AudioMixer *get_audio_mixer() { return audio_mixer.get(); }
+ const AudioMixer *get_audio_mixer() const { return audio_mixer.get(); }
void schedule_cut()
{
return cards[card_index].output != nullptr;
}
+ bool card_is_ffmpeg(unsigned card_index) const {
+ assert(card_index < num_cards + num_video_inputs);
+ return cards[card_index].type == CardType::FFMPEG_INPUT;
+ }
+
std::map<uint32_t, bmusb::VideoMode> get_available_video_modes(unsigned card_index) const {
assert(card_index < num_cards);
return cards[card_index].capture->get_available_video_modes();
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::pair<std::string, std::string> get_channel_color_http(unsigned channel_idx);
HTTPD httpd;
- unsigned num_cards, num_video_inputs, num_html_inputs;
+ unsigned num_cards, num_video_inputs, num_html_inputs = 0;
QSurface *mixer_surface, *h264_encoder_surface, *decklink_output_surface;
std::unique_ptr<movit::ResourcePool> resource_pool;
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.
JitterHistory output_jitter_history;
CaptureCard cards[MAX_VIDEO_CARDS]; // Protected by <card_mutex>.
YCbCrInterpretation ycbcr_interpretation[MAX_VIDEO_CARDS]; // Protected by <card_mutex>.
- AudioMixer audio_mixer; // Same as global_audio_mixer (see audio_mixer.h).
+ std::unique_ptr<AudioMixer> audio_mixer; // Same as global_audio_mixer (see audio_mixer.h).
bool input_card_is_master_clock(unsigned card_index, unsigned master_card_index) const;
struct OutputFrameInfo {
int dropped_frames; // Since last frame.