#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
-#include <sys/resource.h>
#include <algorithm>
#include <chrono>
#include <condition_variable>
#include "DeckLinkAPI.h"
#include "LinuxCOM.h"
#include "alsa_output.h"
+#include "basic_stats.h"
#include "bmusb/bmusb.h"
#include "bmusb/fake_capture.h"
#include "chroma_subsampler.h"
using namespace bmusb;
Mixer *global_mixer = nullptr;
-bool uses_mlock = false;
namespace {
void QueueLengthPolicy::update_policy(steady_clock::time_point now,
steady_clock::time_point expected_next_frame,
+ int64_t input_frame_duration,
int64_t master_frame_duration,
double max_input_card_jitter_seconds,
double max_master_card_jitter_seconds)
{
+ double input_frame_duration_seconds = input_frame_duration / double(TIMEBASE);
double master_frame_duration_seconds = master_frame_duration / double(TIMEBASE);
// Figure out when we can expect the next frame for this card, assuming
// We account for this by looking at the situation five frames ahead,
// assuming everything else is the same.
double frames_allowed;
- if (max_master_card_jitter_seconds < max_input_card_jitter_seconds) {
- frames_allowed = frames_needed + 5 * (max_input_card_jitter_seconds - max_master_card_jitter_seconds) / master_frame_duration_seconds;
+ if (master_frame_duration < input_frame_duration) {
+ frames_allowed = frames_needed + 5 * (input_frame_duration_seconds - master_frame_duration_seconds) / master_frame_duration_seconds;
} else {
frames_allowed = frames_needed;
}
theme.reset(new Theme(global_flags.theme_filename, global_flags.theme_dirs, resource_pool.get(), num_cards));
// Start listening for clients only once VideoEncoder has written its header, if any.
- httpd.start(9095);
+ httpd.start(global_flags.http_port);
// First try initializing the then PCI devices, then USB, then
// fill up with fake cards until we have the desired number of cards.
DeckLinkCapture *capture = new DeckLinkCapture(decklink, card_index);
DeckLinkOutput *output = new DeckLinkOutput(resource_pool.get(), decklink_output_surface, global_flags.width, global_flags.height, card_index);
- output->set_device(decklink);
+ if (!output->set_device(decklink)) {
+ delete output;
+ output = nullptr;
+ }
configure_card(card_index, capture, CardType::LIVE_CARD, output);
++num_pci_devices;
}
set_output_card_internal(global_flags.output_card);
}
- metric_start_time_seconds = get_timestamp_for_metrics();
-
output_jitter_history.register_metrics({{ "card", "output" }});
- global_metrics.add("frames_output_total", &metric_frames_output_total);
- global_metrics.add("frames_output_dropped", &metric_frames_output_dropped);
- global_metrics.add("start_time_seconds", &metric_start_time_seconds, Metrics::TYPE_GAUGE);
- global_metrics.add("memory_used_bytes", &metrics_memory_used_bytes);
- global_metrics.add("memory_locked_limit_bytes", &metrics_memory_locked_limit_bytes);
}
Mixer::~Mixer()
} while (!success);
}
- audio_mixer.add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, frame_length, audio_frame.received_timestamp);
+ if (num_samples > 0) {
+ audio_mixer.add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, frame_length, audio_frame.received_timestamp);
+ }
// Done with the audio, so release it.
if (audio_frame.owner) {
card->last_timecode = timecode;
- // Calculate jitter for this card here. We do it on arrival so that we
- // make sure every frame counts, even the dropped ones -- and it will also
- // make sure the jitter number is as recent as possible, should it change.
- card->jitter_history.frame_arrived(video_frame.received_timestamp, frame_length, dropped_frames);
-
PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
size_t cbcr_width, cbcr_height, cbcr_offset, y_offset;
new_frame.dropped_frames = dropped_frames;
new_frame.received_timestamp = video_frame.received_timestamp;
card->new_frames.push_back(move(new_frame));
- card->new_frames_changed.notify_all();
+ card->jitter_history.frame_arrived(video_frame.received_timestamp, frame_length, dropped_frames);
}
+ card->new_frames_changed.notify_all();
return;
}
new_frame.dropped_frames = dropped_frames;
new_frame.received_timestamp = video_frame.received_timestamp; // Ignore the audio timestamp.
card->new_frames.push_back(move(new_frame));
- card->new_frames_changed.notify_all();
+ card->jitter_history.frame_arrived(video_frame.received_timestamp, frame_length, dropped_frames);
}
+ card->new_frames_changed.notify_all();
}
}
}
}
- steady_clock::time_point start, now;
- start = steady_clock::now();
-
+ BasicStats basic_stats(/*verbose=*/true);
int stats_dropped_frames = 0;
while (!should_quit) {
++frame_num;
pts_int += frame_duration;
- now = steady_clock::now();
- double elapsed = duration<double>(now - start).count();
-
- metric_frames_output_total = frame_num;
- metric_frames_output_dropped = stats_dropped_frames;
-
- if (frame_num % 100 == 0) {
- printf("%d frames (%d dropped) in %.3f seconds = %.1f fps (%.1f ms/frame)",
- frame_num, stats_dropped_frames, elapsed, frame_num / elapsed,
- 1e3 * elapsed / frame_num);
- // chain->print_phase_timing();
-
- // Check our memory usage, to see if we are close to our mlockall()
- // limit (if at all set).
- rusage used;
- if (getrusage(RUSAGE_SELF, &used) == -1) {
- perror("getrusage(RUSAGE_SELF)");
- assert(false);
- }
-
- if (uses_mlock) {
- rlimit limit;
- if (getrlimit(RLIMIT_MEMLOCK, &limit) == -1) {
- perror("getrlimit(RLIMIT_MEMLOCK)");
- assert(false);
- }
-
- if (limit.rlim_cur == 0) {
- printf(", using %ld MB memory (locked)",
- long(used.ru_maxrss / 1024));
- } else {
- printf(", using %ld / %ld MB lockable memory (%.1f%%)",
- long(used.ru_maxrss / 1024),
- long(limit.rlim_cur / 1048576),
- float(100.0 * (used.ru_maxrss * 1024.0) / limit.rlim_cur));
- }
- metrics_memory_locked_limit_bytes = limit.rlim_cur;
- } else {
- printf(", using %ld MB memory (not locked)",
- long(used.ru_maxrss / 1024));
- metrics_memory_locked_limit_bytes = 0.0 / 0.0;
- }
-
- printf("\n");
-
- metrics_memory_used_bytes = used.ru_maxrss * 1024;
- }
-
+ basic_stats.update(frame_num, stats_dropped_frames);
+ // if (frame_num % 100 == 0) chain->print_phase_timing();
if (should_cut.exchange(false)) { // Test and clear.
video_encoder->do_cut(frame_num);
card->queue_length_policy.update_policy(
output_frame_info.frame_timestamp,
card->jitter_history.get_expected_next_frame(),
+ new_frames[master_card_index].length,
output_frame_info.frame_duration,
card->jitter_history.estimate_max_jitter(),
output_jitter_history.estimate_max_jitter());
projects / nageru / blobdiff