#include "audio_mixer.h"
#include "bmusb/bmusb.h"
#include "defs.h"
+#include "ffmpeg_capture.h"
#include "shared/httpd.h"
#include "input_state.h"
#include "libusb.h"
class Mixer {
public:
// The surface format is used for offscreen destinations for OpenGL contexts we need.
- Mixer(const QSurfaceFormat &format, unsigned num_cards);
+ Mixer(const QSurfaceFormat &format);
~Mixer();
void start();
void quit();
should_cut = true;
}
- unsigned get_num_cards() const { return num_cards; }
-
std::string get_card_description(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_description();
}
// the card's actual name.
std::string get_output_card_description(unsigned card_index) const {
assert(card_can_be_used_as_output(card_index));
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
if (cards[card_index].parked_capture) {
return cards[card_index].parked_capture->get_description();
} else {
}
bool card_can_be_used_as_output(unsigned card_index) const {
- assert(card_index < num_cards);
- return cards[card_index].output != nullptr;
+ assert(card_index < MAX_VIDEO_CARDS);
+ return cards[card_index].output != nullptr && cards[card_index].capture != nullptr;
+ }
+
+ bool card_is_cef(unsigned card_index) const {
+ assert(card_index < MAX_VIDEO_CARDS);
+ return cards[card_index].type == CardType::CEF_INPUT;
}
bool card_is_ffmpeg(unsigned card_index) const {
- assert(card_index < num_cards + num_video_inputs);
- if (card_index < num_cards) {
- // SRT inputs are more like regular inputs than FFmpeg inputs,
- // so show them as such. (This allows the user to right-click
- // to select a different input.)
+ assert(card_index < MAX_VIDEO_CARDS);
+ if (cards[card_index].type != CardType::FFMPEG_INPUT) {
return false;
}
- return cards[card_index].type == CardType::FFMPEG_INPUT;
+#ifdef HAVE_SRT
+ // SRT inputs are more like regular inputs than FFmpeg inputs,
+ // so show them as such. (This allows the user to right-click
+ // to select a different input.)
+ return static_cast<FFmpegCapture *>(cards[card_index].capture.get())->get_srt_sock() == -1;
+#else
+ return true;
+#endif
+ }
+
+ bool card_is_active(unsigned card_index) const {
+ assert(card_index < MAX_VIDEO_CARDS);
+ std::lock_guard<std::mutex> lock(card_mutex);
+ return cards[card_index].capture != nullptr;
+ }
+
+ void force_card_active(unsigned card_index)
+ {
+ // handle_hotplugged_cards() will pick this up.
+ std::lock_guard<std::mutex> lock(card_mutex);
+ cards[card_index].force_active = true;
}
std::map<uint32_t, bmusb::VideoMode> get_available_video_modes(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_available_video_modes();
}
uint32_t get_current_video_mode(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_current_video_mode();
}
void set_video_mode(unsigned card_index, uint32_t mode) {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
cards[card_index].capture->set_video_mode(mode);
}
void start_mode_scanning(unsigned card_index);
std::map<uint32_t, std::string> get_available_video_inputs(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_available_video_inputs();
}
uint32_t get_current_video_input(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_current_video_input();
}
void set_video_input(unsigned card_index, uint32_t input) {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
cards[card_index].capture->set_video_input(input);
}
std::map<uint32_t, std::string> get_available_audio_inputs(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_available_audio_inputs();
}
uint32_t get_current_audio_input(unsigned card_index) const {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
return cards[card_index].capture->get_current_audio_input();
}
void set_audio_input(unsigned card_index, uint32_t input) {
- assert(card_index < num_cards);
+ assert(card_index < MAX_VIDEO_CARDS);
cards[card_index].capture->set_audio_input(input);
}
private:
struct CaptureCard;
- enum class CardType {
- LIVE_CARD,
- FAKE_CAPTURE,
- FFMPEG_INPUT,
- CEF_INPUT,
- };
- void configure_card(unsigned card_index, bmusb::CaptureInterface *capture, CardType card_type, DeckLinkOutput *output, bool is_srt_card = false);
+ void configure_card(unsigned card_index, bmusb::CaptureInterface *capture, CardType card_type, DeckLinkOutput *output, bool is_srt_card);
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,
std::pair<std::string, std::string> get_channel_color_http(unsigned channel_idx);
HTTPD httpd;
- unsigned num_cards, num_video_inputs, num_html_inputs = 0;
+ unsigned num_video_inputs, num_html_inputs = 0;
QSurface *mixer_surface, *h264_encoder_surface, *decklink_output_surface, *image_update_surface;
std::unique_ptr<movit::ResourcePool> resource_pool;
mutable std::mutex card_mutex;
bool has_bmusb_thread = false;
struct CaptureCard {
+ // If nullptr, the card is inactive, and will be hidden in the UI.
+ // Only fake capture cards can be inactive.
std::unique_ptr<bmusb::CaptureInterface> capture;
+ // If true, card must always be active (typically because it's one of the
+ // first cards, or because the theme has explicitly asked for it).
+ bool force_active = false;
bool is_fake_capture;
// If is_fake_capture is true, contains a monotonic timer value for when
// it was last changed. Otherwise undefined. Used for SRT re-plugging.
void update_srt_stats(int srt_sock, Mixer::CaptureCard *card);
#endif
+ std::string description_for_card(unsigned card_index);
+ static bool is_srt_card(const CaptureCard *card);
+
InputState input_state;
// Cards we have been noticed about being hotplugged, but haven't tried adding yet.
projects / nageru / blobdiff