return output_channel[output].get_display_frame(frame);
}
+ // NOTE: Callbacks will be called with a mutex held, so you should probably
+ // not do real work in them.
typedef std::function<void()> new_frame_ready_callback_t;
- void set_frame_ready_callback(Output output, new_frame_ready_callback_t callback)
+ void add_frame_ready_callback(Output output, void *key, new_frame_ready_callback_t callback)
{
- output_channel[output].set_frame_ready_callback(callback);
+ output_channel[output].add_frame_ready_callback(key, callback);
+ }
+
+ void remove_frame_ready_callback(Output output, void *key)
+ {
+ output_channel[output].remove_frame_ready_callback(key);
}
// TODO: Should this really be per-channel? Shouldn't it just be called for e.g. the live output?
private:
struct CaptureCard;
- void configure_card(unsigned card_index, bmusb::CaptureInterface *capture, bool is_fake_capture, DeckLinkOutput *output);
+ enum class CardType {
+ LIVE_CARD,
+ FAKE_CAPTURE,
+ FFMPEG_INPUT
+ };
+ void configure_card(unsigned card_index, bmusb::CaptureInterface *capture, CardType card_type, DeckLinkOutput *output);
void set_output_card_internal(int card_index); // Should only be called from the mixer thread.
void bm_frame(unsigned card_index, uint16_t timecode,
bmusb::FrameAllocator::Frame video_frame, size_t video_offset, bmusb::VideoFormat video_format,
void trim_queue(CaptureCard *card, unsigned card_index);
HTTPD httpd;
- unsigned num_cards;
+ unsigned num_cards, num_video_inputs;
QSurface *mixer_surface, *h264_encoder_surface, *decklink_output_surface;
std::unique_ptr<movit::ResourcePool> resource_pool;
~OutputChannel();
void output_frame(DisplayFrame frame);
bool get_display_frame(DisplayFrame *frame);
- void set_frame_ready_callback(new_frame_ready_callback_t callback);
+ void add_frame_ready_callback(void *key, new_frame_ready_callback_t callback);
+ void remove_frame_ready_callback(void *key);
void set_transition_names_updated_callback(transition_names_updated_callback_t callback);
void set_name_updated_callback(name_updated_callback_t callback);
void set_color_updated_callback(color_updated_callback_t callback);
std::mutex frame_mutex;
DisplayFrame current_frame, ready_frame; // protected by <frame_mutex>
bool has_current_frame = false, has_ready_frame = false; // protected by <frame_mutex>
- new_frame_ready_callback_t new_frame_ready_callback;
+ std::map<void *, new_frame_ready_callback_t> new_frame_ready_callbacks; // protected by <frame_mutex>
transition_names_updated_callback_t transition_names_updated_callback;
name_updated_callback_t name_updated_callback;
color_updated_callback_t color_updated_callback;