#include <fcntl.h>
#include <signal.h>
#include <unistd.h>
+#include <chrono>
#include <string>
using namespace bmusb;
using namespace movit;
using namespace std;
+using namespace std::chrono;
using namespace std::placeholders;
Mixer *global_mixer = nullptr;
FrameAllocator::Frame audio_frame, size_t audio_offset, AudioFormat audio_format)
{
if (video_pts >= 0 && video_frame.len > 0) {
+ ReceivedTimestamps ts;
+ ts.ts.push_back(steady_clock::now());
+
video_pts = av_rescale_q(video_pts, video_timebase, AVRational{ 1, TIMEBASE });
int64_t frame_duration = TIMEBASE * video_format.frame_rate_nom / video_format.frame_rate_den;
- x264_encoder->add_frame(video_pts, frame_duration, video->get_current_frame_ycbcr_format().luma_coefficients, video_frame.data + video_offset, ReceivedTimestamps());
+ x264_encoder->add_frame(video_pts, frame_duration, video->get_current_frame_ycbcr_format().luma_coefficients, video_frame.data + video_offset, ts);
}
if (audio_frame.len > 0) {
// FFmpegCapture takes care of this for us.
usage(PROGRAM_KAERU);
exit(1);
}
+ global_flags.num_cards = 1; // For latency metrics.
av_register_all();
avformat_network_init();
const steady_clock::time_point now = steady_clock::now();
- unsigned num_cards = global_mixer->get_num_cards();
- assert(received_ts.ts.size() == num_cards * FRAME_HISTORY_LENGTH);
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
- for (unsigned frame_index = 0; frame_index < FRAME_HISTORY_LENGTH; ++frame_index) {
- steady_clock::time_point ts = received_ts.ts[card_index * FRAME_HISTORY_LENGTH + frame_index];
- if (ts == steady_clock::time_point::min()) {
- continue;
- }
+ if (global_mixer == nullptr) {
+ // Kaeru.
+ assert(received_ts.ts.size() == 1);
+ steady_clock::time_point ts = received_ts.ts[0];
+ if (ts != steady_clock::time_point::min()) {
duration<double> latency = now - ts;
- histogram->summaries[card_index][frame_index][is_b_frame].count_event(latency.count());
- histogram->summaries[card_index][frame_index][2].count_event(latency.count());
+ histogram->summaries[0][0][is_b_frame].count_event(latency.count());
+ histogram->summaries[0][0][2].count_event(latency.count());
+ }
+ } else {
+ unsigned num_cards = global_mixer->get_num_cards();
+ assert(received_ts.ts.size() == num_cards * FRAME_HISTORY_LENGTH);
+ for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned frame_index = 0; frame_index < FRAME_HISTORY_LENGTH; ++frame_index) {
+ steady_clock::time_point ts = received_ts.ts[card_index * FRAME_HISTORY_LENGTH + frame_index];
+ if (ts == steady_clock::time_point::min()) {
+ continue;
+ }
+ duration<double> latency = now - ts;
+ histogram->summaries[card_index][frame_index][is_b_frame].count_event(latency.count());
+ histogram->summaries[card_index][frame_index][2].count_event(latency.count());
+ }
}
}