}
#endif
- for (unsigned card_index = 0; card_index < MAX_VIDEO_CARDS; ++card_index) {
- cards[card_index].queue_length_policy.reset(card_index);
- }
-
chroma_subsampler.reset(new ChromaSubsampler(resource_pool.get()));
if (global_flags.ten_bit_input) {
card->parked_capture = move(card->capture);
CaptureInterface *fake_capture = new FakeCapture(global_flags.width, global_flags.height, FAKE_FPS, OUTPUT_FREQUENCY, card_index, global_flags.fake_cards_audio);
configure_card(card_index, fake_capture, CardType::FAKE_CAPTURE, card->output.release(), /*is_srt_card=*/false);
- card->queue_length_policy.reset(card_index);
+ card->jitter_history.clear();
card->capture->start_bm_capture();
desired_output_video_mode = output_video_mode = card->output->pick_video_mode(desired_output_video_mode);
card->output->start_output(desired_output_video_mode, pts_int);
fprintf(stderr, "Card %u went away, replacing with a fake card.\n", card_index);
FakeCapture *capture = new FakeCapture(global_flags.width, global_flags.height, FAKE_FPS, OUTPUT_FREQUENCY, card_index, global_flags.fake_cards_audio);
configure_card(card_index, capture, CardType::FAKE_CAPTURE, /*output=*/nullptr, /*is_srt_card=*/false);
- card->queue_length_policy.reset(card_index);
+ card->jitter_history.clear();
card->capture->start_bm_capture();
} else {
// NOTE: The theme might end up forcing the card back at some later point
fprintf(stderr, "Card %u went away, removing. (To keep a fake card, increase --num-cards.)\n", card_index);
theme->remove_card(card_index);
configure_card(card_index, /*capture=*/nullptr, CardType::FAKE_CAPTURE, /*output=*/nullptr, /*is_srt_card=*/false);
- card->queue_length_policy.reset(card_index);
+ card->jitter_history.clear();
}
}
}
CaptureCard *card = &cards[free_card_index];
BMUSBCapture *capture = new BMUSBCapture(free_card_index, new_dev);
configure_card(free_card_index, capture, CardType::LIVE_CARD, /*output=*/nullptr, /*is_srt_card=*/false);
- card->queue_length_policy.reset(free_card_index);
+ card->jitter_history.clear();
capture->set_card_disconnected_callback(bind(&Mixer::bm_hotplug_remove, this, free_card_index));
capture->start_bm_capture();
}
configure_card(free_card_index, capture, CardType::FFMPEG_INPUT, /*output=*/nullptr, /*is_srt_card=*/true);
update_srt_stats(sock, card); // Initial zero stats.
card->last_srt_stream_id = stream_id;
- card->queue_length_policy.reset(free_card_index);
+ card->jitter_history.clear();
capture->set_card_disconnected_callback(bind(&Mixer::bm_hotplug_remove, this, free_card_index));
capture->start_bm_capture();
}
if (card->capture == nullptr && card->force_active) {
FakeCapture *capture = new FakeCapture(global_flags.width, global_flags.height, FAKE_FPS, OUTPUT_FREQUENCY, card_index, global_flags.fake_cards_audio);
configure_card(card_index, capture, CardType::FAKE_CAPTURE, /*output=*/nullptr, /*is_srt_card=*/false);
- card->queue_length_policy.reset(card_index);
+ card->jitter_history.clear();
card->capture->start_bm_capture();
}
}
class QueueLengthPolicy {
public:
QueueLengthPolicy() {}
- void reset(unsigned card_index) {
- this->card_index = card_index;
- }
void register_metrics(const std::vector<std::pair<std::string, std::string>> &labels);
void unregister_metrics(const std::vector<std::pair<std::string, std::string>> &labels);
// Call after picking out a frame, so 0 means starvation.
+ // Note that the policy has no memory; everything is given in as parameters.
void update_policy(std::chrono::steady_clock::time_point now,
std::chrono::steady_clock::time_point expected_next_frame,
int64_t input_frame_duration,
unsigned get_safe_queue_length() const { return safe_queue_length; }
private:
- unsigned card_index; // For debugging and metrics only.
unsigned safe_queue_length = 0; // Can never go below zero.
// Metrics.