#include <assert.h>
#include <epoxy/egl.h>
+#include <movit/effect.h>
#include <movit/effect_chain.h>
#include <movit/effect_util.h>
#include <movit/flat_input.h>
#include "shared/disk_space_estimator.h"
#include "ffmpeg_capture.h"
#include "flags.h"
+#include "image_input.h"
#include "input_mapping.h"
#include "shared/metrics.h"
+#include "shared/va_display.h"
#include "mjpeg_encoder.h"
#include "pbo_frame_allocator.h"
#include "shared/ref_counted_gl_sync.h"
#include "shared/timebase.h"
#include "timecode_renderer.h"
#include "v210_converter.h"
-#include "va_display_with_cleanup.h"
#include "video_encoder.h"
#undef Status
#include <google/protobuf/util/json_util.h>
#include "json.pb.h"
+#ifdef HAVE_SRT
+// Must come after CEF, since it includes <syslog.h>, which has #defines
+// that conflict with CEF logging constants.
+#include <srt/srt.h>
+#endif
+
class IDeckLink;
class QOpenGLContext;
assert(false);
}
- if (first ||
- width != userdata->last_width[field] ||
- height != userdata->last_height[field] ||
- cbcr_width != userdata->last_cbcr_width[field] ||
- cbcr_height != userdata->last_cbcr_height[field]) {
+ const bool recreate_main_texture =
+ first ||
+ width != userdata->last_width[field] ||
+ height != userdata->last_height[field] ||
+ cbcr_width != userdata->last_cbcr_width[field] ||
+ cbcr_height != userdata->last_cbcr_height[field];
+ const bool recreate_v210_texture =
+ global_flags.ten_bit_input &&
+ (first || v210_width != userdata->last_v210_width[field] || height != userdata->last_height[field]);
+
+ if (recreate_main_texture) {
// We changed resolution since last use of this texture, so we need to create
// a new object. Note that this each card has its own PBOFrameAllocator,
// we don't need to worry about these flip-flopping between resolutions.
case PixelFormat_8BitBGRA:
glBindTexture(GL_TEXTURE_2D, userdata->tex_rgba[field]);
check_error();
- if (global_flags.can_disable_srgb_decoder) { // See the comments in tweaked_inputs.h.
- glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB8_ALPHA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, nullptr);
- } else {
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, nullptr);
- }
+ // NOTE: sRGB may be disabled by sRGBSwitchingFlatInput.
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB8_ALPHA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, nullptr);
check_error();
break;
default:
userdata->last_cbcr_width[field] = cbcr_width;
userdata->last_cbcr_height[field] = cbcr_height;
}
- if (global_flags.ten_bit_input &&
- (first || v210_width != userdata->last_v210_width[field])) {
+ if (recreate_v210_texture) {
// Same as above; we need to recreate the texture.
glBindTexture(GL_TEXTURE_2D, userdata->tex_v210[field]);
check_error();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB10_A2, v210_width, height, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, nullptr);
check_error();
userdata->last_v210_width[field] = v210_width;
+ userdata->last_height[field] = height;
}
}
num_cards(num_cards),
mixer_surface(create_surface(format)),
h264_encoder_surface(create_surface(format)),
- decklink_output_surface(create_surface(format))
+ decklink_output_surface(create_surface(format)),
+ image_update_surface(create_surface(format))
{
memcpy(ycbcr_interpretation, global_flags.ycbcr_interpretation, sizeof(ycbcr_interpretation));
CHECK(init_movit(MOVIT_SHADER_DIR, MOVIT_DEBUG_OFF));
check_error();
- // This nearly always should be true.
- global_flags.can_disable_srgb_decoder =
- epoxy_has_gl_extension("GL_EXT_texture_sRGB_decode") &&
- epoxy_has_gl_extension("GL_ARB_sampler_objects");
+ if (!epoxy_has_gl_extension("GL_EXT_texture_sRGB_decode") ||
+ !epoxy_has_gl_extension("GL_ARB_sampler_objects")) {
+ fprintf(stderr, "Nageru requires GL_EXT_texture_sRGB_decode and GL_ARB_sampler_objects to run.\n");
+ exit(1);
+ }
// Since we allow non-bouncing 4:2:2 YCbCrInputs, effective subpixel precision
// will be halved when sampling them, and we need to compensate here.
ycbcr_format.cb_y_position = 0.5f;
ycbcr_format.cr_y_position = 0.5f;
+ // Initialize the neutral colors to sane values.
+ for (unsigned i = 0; i < MAX_VIDEO_CARDS; ++i) {
+ last_received_neutral_color[i] = RGBTriplet(1.0f, 1.0f, 1.0f);
+ }
+
// Display chain; shows the live output produced by the main chain (or rather, a copy of it).
display_chain.reset(new EffectChain(global_flags.width, global_flags.height, resource_pool.get()));
check_error();
audio_mixer.reset(new AudioMixer(num_cards, video_inputs.size()));
httpd.add_endpoint("/channels", bind(&Mixer::get_channels_json, this), HTTPD::ALLOW_ALL_ORIGINS);
- for (int channel_idx = 2; channel_idx < theme->get_num_channels(); ++channel_idx) {
+ for (int channel_idx = 0; channel_idx < theme->get_num_channels(); ++channel_idx) {
char url[256];
- snprintf(url, sizeof(url), "/channels/%d/color", channel_idx);
- httpd.add_endpoint(url, bind(&Mixer::get_channel_color_http, this, unsigned(channel_idx)), HTTPD::ALLOW_ALL_ORIGINS);
+ snprintf(url, sizeof(url), "/channels/%d/color", channel_idx + 2);
+ httpd.add_endpoint(url, bind(&Mixer::get_channel_color_http, this, unsigned(channel_idx + 2)), HTTPD::ALLOW_ALL_ORIGINS);
}
// Start listening for clients only once VideoEncoder has written its header, if any.
for (unsigned video_card_index = 0; video_card_index < video_inputs.size(); ++card_index, ++video_card_index) {
if (card_index >= MAX_VIDEO_CARDS) {
fprintf(stderr, "ERROR: Not enough card slots available for the videos the theme requested.\n");
- exit(1);
+ abort();
}
configure_card(card_index, video_inputs[video_card_index], CardType::FFMPEG_INPUT, /*output=*/nullptr);
video_inputs[video_card_index]->set_card_index(card_index);
for (unsigned html_card_index = 0; html_card_index < html_inputs.size(); ++card_index, ++html_card_index) {
if (card_index >= MAX_VIDEO_CARDS) {
fprintf(stderr, "ERROR: Not enough card slots available for the HTML inputs the theme requested.\n");
- exit(1);
+ abort();
}
configure_card(card_index, html_inputs[html_card_index], CardType::CEF_INPUT, /*output=*/nullptr);
html_inputs[html_card_index]->set_card_index(card_index);
BMUSBCapture::set_card_connected_callback(bind(&Mixer::bm_hotplug_add, this, _1));
BMUSBCapture::start_bm_thread();
+#ifdef HAVE_SRT
+ if (global_flags.srt_port >= 0) {
+ start_srt();
+ }
+#endif
+
for (unsigned card_index = 0; card_index < num_cards + num_video_inputs + num_html_inputs; ++card_index) {
cards[card_index].queue_length_policy.reset(card_index);
}
if (!v210Converter::has_hardware_support()) {
fprintf(stderr, "ERROR: --ten-bit-input requires support for OpenGL compute shaders\n");
fprintf(stderr, " (OpenGL 4.3, or GL_ARB_compute_shader + GL_ARB_shader_image_load_store).\n");
- exit(1);
+ abort();
}
v210_converter.reset(new v210Converter());
if (!v210Converter::has_hardware_support()) {
fprintf(stderr, "ERROR: --ten-bit-output requires support for OpenGL compute shaders\n");
fprintf(stderr, " (OpenGL 4.3, or GL_ARB_compute_shader + GL_ARB_shader_image_load_store).\n");
- exit(1);
+ abort();
}
}
}
output_jitter_history.register_metrics({{ "card", "output" }});
+
+ ImageInput::start_update_thread(image_update_surface);
}
Mixer::~Mixer()
{
+ ImageInput::end_update_thread();
+
if (mjpeg_encoder != nullptr) {
mjpeg_encoder->stop();
}
video_encoder.reset(nullptr);
}
-void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, CardType card_type, DeckLinkOutput *output)
+void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, CardType card_type, DeckLinkOutput *output, bool is_srt_card)
{
printf("Configuring card %d...\n", card_index);
}
card->capture.reset(capture);
card->is_fake_capture = (card_type == CardType::FAKE_CAPTURE);
+ if (card->is_fake_capture) {
+ card->fake_capture_counter = fake_capture_counter++;
+ }
card->is_cef_capture = (card_type == CardType::CEF_INPUT);
card->may_have_dropped_last_frame = false;
card->type = card_type;
card->capture->set_frame_callback(bind(&Mixer::bm_frame, this, card_index, _1, _2, _3, _4, _5, _6, _7));
if (card->frame_allocator == nullptr) {
- card->frame_allocator.reset(new PBOFrameAllocator(pixel_format, 8 << 20, global_flags.width, global_flags.height)); // 8 MB.
+ card->frame_allocator.reset(new PBOFrameAllocator(pixel_format, 8 << 20, global_flags.width, global_flags.height, card_index, mjpeg_encoder.get())); // 8 MB.
+ } else {
+ // The format could have changed, but we cannot reset the allocator
+ // and create a new one from scratch, since there may be allocated
+ // frames from it that expect to call release_frame() on it.
+ // Instead, ask the allocator to create new frames for us and discard
+ // any old ones as they come back. This takes the mutex while
+ // allocating, but nothing should really be sending frames in there
+ // right now anyway (start_bm_capture() has not been called yet).
+ card->frame_allocator->reconfigure(pixel_format, 8 << 20, global_flags.width, global_flags.height, card_index, mjpeg_encoder.get());
}
card->capture->set_video_frame_allocator(card->frame_allocator.get());
if (card->surface == nullptr) {
// NOTE: start_bm_capture() happens in thread_func().
+ if (is_srt_card) {
+ assert(card_type == CardType::FFMPEG_INPUT);
+ }
+
DeviceSpec device;
- if (card_type == CardType::FFMPEG_INPUT) {
+ if (card_type == CardType::FFMPEG_INPUT && !is_srt_card) {
device = DeviceSpec{InputSourceType::FFMPEG_VIDEO_INPUT, card_index - num_cards};
} else {
device = DeviceSpec{InputSourceType::CAPTURE_CARD, card_index};
const vector<pair<string, string>> &labels = card->labels;
card->jitter_history.unregister_metrics(labels);
card->queue_length_policy.unregister_metrics(labels);
- global_metrics.remove("input_received_frames", labels);
- global_metrics.remove("input_dropped_frames_jitter", labels);
- global_metrics.remove("input_dropped_frames_error", labels);
- global_metrics.remove("input_dropped_frames_resets", labels);
- global_metrics.remove("input_queue_length_frames", labels);
- global_metrics.remove("input_queue_duped_frames", labels);
-
- global_metrics.remove("input_has_signal_bool", labels);
- global_metrics.remove("input_is_connected_bool", labels);
- global_metrics.remove("input_interlaced_bool", labels);
- global_metrics.remove("input_width_pixels", labels);
- global_metrics.remove("input_height_pixels", labels);
- global_metrics.remove("input_frame_rate_nom", labels);
- global_metrics.remove("input_frame_rate_den", labels);
- global_metrics.remove("input_sample_rate_hz", labels);
+ global_metrics.remove_if_exists("input_received_frames", labels);
+ global_metrics.remove_if_exists("input_dropped_frames_jitter", labels);
+ global_metrics.remove_if_exists("input_dropped_frames_error", labels);
+ global_metrics.remove_if_exists("input_dropped_frames_resets", labels);
+ global_metrics.remove_if_exists("input_queue_length_frames", labels);
+ global_metrics.remove_if_exists("input_queue_duped_frames", labels);
+
+ global_metrics.remove_if_exists("input_has_signal_bool", labels);
+ global_metrics.remove_if_exists("input_is_connected_bool", labels);
+ global_metrics.remove_if_exists("input_interlaced_bool", labels);
+ global_metrics.remove_if_exists("input_width_pixels", labels);
+ global_metrics.remove_if_exists("input_height_pixels", labels);
+ global_metrics.remove_if_exists("input_frame_rate_nom", labels);
+ global_metrics.remove_if_exists("input_frame_rate_den", labels);
+ global_metrics.remove_if_exists("input_sample_rate_hz", labels);
+
+ // SRT metrics.
+
+ // Global measurements (counters).
+ global_metrics.remove_if_exists("srt_uptime_seconds", labels);
+ global_metrics.remove_if_exists("srt_send_duration_seconds", labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", labels);
+ global_metrics.remove_if_exists("srt_received_bytes", labels);
+
+ vector<pair<string, string>> packet_labels = card->labels;
+ packet_labels.emplace_back("type", "normal");
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "lost";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "retransmitted";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", packet_labels);
+
+ packet_labels.back().second = "ack";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "nak";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "dropped";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", packet_labels);
+ global_metrics.remove_if_exists("srt_received_bytes", packet_labels);
+
+ packet_labels.back().second = "undecryptable";
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_bytes", packet_labels);
+
+ global_metrics.remove_if_exists("srt_filter_sent_extra_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_extra_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_rebuilt_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_lost_packets", labels);
+
+ // Instant measurements (gauges).
+ global_metrics.remove_if_exists("srt_packet_sending_period_seconds", labels);
+ global_metrics.remove_if_exists("srt_flow_window_packets", labels);
+ global_metrics.remove_if_exists("srt_congestion_window_packets", labels);
+ global_metrics.remove_if_exists("srt_flight_size_packets", labels);
+ global_metrics.remove_if_exists("srt_rtt_seconds", labels);
+ global_metrics.remove_if_exists("srt_estimated_bandwidth_bits_per_second", labels);
+ global_metrics.remove_if_exists("srt_bandwidth_ceiling_bits_per_second", labels);
+ global_metrics.remove_if_exists("srt_send_buffer_available_bytes", labels);
+ global_metrics.remove_if_exists("srt_receive_buffer_available_bytes", labels);
+ global_metrics.remove_if_exists("srt_mss_bytes", labels);
+
+ global_metrics.remove_if_exists("srt_sender_unacked_packets", labels);
+ global_metrics.remove_if_exists("srt_sender_unacked_bytes", labels);
+ global_metrics.remove_if_exists("srt_sender_unacked_timespan_seconds", labels);
+ global_metrics.remove_if_exists("srt_sender_delivery_delay_seconds", labels);
+
+ global_metrics.remove_if_exists("srt_receiver_unacked_packets", labels);
+ global_metrics.remove_if_exists("srt_receiver_unacked_bytes", labels);
+ global_metrics.remove_if_exists("srt_receiver_unacked_timespan_seconds", labels);
+ global_metrics.remove_if_exists("srt_receiver_delivery_delay_seconds", labels);
}
// Register metrics.
labels.emplace_back("cardtype", "fake");
break;
case CardType::FFMPEG_INPUT:
- labels.emplace_back("cardtype", "ffmpeg");
+ if (is_srt_card) {
+ labels.emplace_back("cardtype", "srt");
+ } else {
+ labels.emplace_back("cardtype", "ffmpeg");
+ }
break;
case CardType::CEF_INPUT:
labels.emplace_back("cardtype", "cef");
global_metrics.add("input_frame_rate_nom", labels, &card->metric_input_frame_rate_nom, Metrics::TYPE_GAUGE);
global_metrics.add("input_frame_rate_den", labels, &card->metric_input_frame_rate_den, Metrics::TYPE_GAUGE);
global_metrics.add("input_sample_rate_hz", labels, &card->metric_input_sample_rate_hz, Metrics::TYPE_GAUGE);
+
+ if (is_srt_card) {
+ // Global measurements (counters).
+ global_metrics.add("srt_uptime_seconds", labels, &card->metric_srt_uptime_seconds);
+ global_metrics.add("srt_send_duration_seconds", labels, &card->metric_srt_send_duration_seconds);
+ global_metrics.add("srt_sent_bytes", labels, &card->metric_srt_sent_bytes);
+ global_metrics.add("srt_received_bytes", labels, &card->metric_srt_received_bytes);
+
+ vector<pair<string, string>> packet_labels = labels;
+ packet_labels.emplace_back("type", "normal");
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_normal);
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_normal);
+
+ packet_labels.back().second = "lost";
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_lost);
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_lost);
+
+ packet_labels.back().second = "retransmitted";
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_retransmitted);
+ global_metrics.add("srt_sent_bytes", packet_labels, &card->metric_srt_sent_bytes_retransmitted);
+
+ packet_labels.back().second = "ack";
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_ack);
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_ack);
+
+ packet_labels.back().second = "nak";
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_nak);
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_nak);
+
+ packet_labels.back().second = "dropped";
+ global_metrics.add("srt_sent_packets", packet_labels, &card->metric_srt_sent_packets_dropped);
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_dropped);
+ global_metrics.add("srt_sent_bytes", packet_labels, &card->metric_srt_sent_bytes_dropped);
+ global_metrics.add("srt_received_bytes", packet_labels, &card->metric_srt_received_bytes_dropped);
+
+ packet_labels.back().second = "undecryptable";
+ global_metrics.add("srt_received_packets", packet_labels, &card->metric_srt_received_packets_undecryptable);
+ global_metrics.add("srt_received_bytes", packet_labels, &card->metric_srt_received_bytes_undecryptable);
+
+ global_metrics.add("srt_filter_sent_extra_packets", labels, &card->metric_srt_filter_sent_packets);
+ global_metrics.add("srt_filter_received_extra_packets", labels, &card->metric_srt_filter_received_extra_packets);
+ global_metrics.add("srt_filter_received_rebuilt_packets", labels, &card->metric_srt_filter_received_rebuilt_packets);
+ global_metrics.add("srt_filter_received_lost_packets", labels, &card->metric_srt_filter_received_lost_packets);
+
+ // Instant measurements (gauges).
+ global_metrics.add("srt_packet_sending_period_seconds", labels, &card->metric_srt_packet_sending_period_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_flow_window_packets", labels, &card->metric_srt_flow_window_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_congestion_window_packets", labels, &card->metric_srt_congestion_window_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_flight_size_packets", labels, &card->metric_srt_flight_size_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_rtt_seconds", labels, &card->metric_srt_rtt_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_estimated_bandwidth_bits_per_second", labels, &card->metric_srt_estimated_bandwidth_bits_per_second, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_bandwidth_ceiling_bits_per_second", labels, &card->metric_srt_bandwidth_ceiling_bits_per_second, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_send_buffer_available_bytes", labels, &card->metric_srt_send_buffer_available_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receive_buffer_available_bytes", labels, &card->metric_srt_receive_buffer_available_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_mss_bytes", labels, &card->metric_srt_mss_bytes, Metrics::TYPE_GAUGE);
+
+ global_metrics.add("srt_sender_unacked_packets", labels, &card->metric_srt_sender_unacked_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_unacked_bytes", labels, &card->metric_srt_sender_unacked_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_unacked_timespan_seconds", labels, &card->metric_srt_sender_unacked_timespan_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_delivery_delay_seconds", labels, &card->metric_srt_sender_delivery_delay_seconds, Metrics::TYPE_GAUGE);
+
+ global_metrics.add("srt_receiver_unacked_packets", labels, &card->metric_srt_receiver_unacked_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_unacked_bytes", labels, &card->metric_srt_receiver_unacked_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_unacked_timespan_seconds", labels, &card->metric_srt_receiver_unacked_timespan_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_delivery_delay_seconds", labels, &card->metric_srt_receiver_delivery_delay_seconds, Metrics::TYPE_GAUGE);
+ }
+
card->labels = labels;
}
bool success;
do {
- success = audio_mixer->add_silence(device, silence_samples, dropped_frames, frame_length);
+ success = audio_mixer->add_silence(device, silence_samples, dropped_frames);
} while (!success);
}
if (num_samples > 0) {
- audio_mixer->add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, frame_length, audio_frame.received_timestamp);
+ audio_mixer->add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, audio_frame.received_timestamp);
+
+ // Audio for the MJPEG stream. We don't resample; audio that's not in 48 kHz
+ // just gets dropped for now.
+ //
+ // Only bother doing MJPEG encoding if there are any connected clients
+ // that want the stream.
+ if (httpd.get_num_connected_multicam_clients() > 0 ||
+ httpd.get_num_connected_siphon_clients(card_index) > 0) {
+ vector<int32_t> converted_samples = convert_audio_to_fixed32(audio_frame.data + audio_offset, num_samples, audio_format, 2);
+ lock_guard<mutex> lock(card_mutex);
+ if (card->new_raw_audio.empty()) {
+ card->new_raw_audio = move(converted_samples);
+ } else {
+ // For raw audio, we don't really synchronize audio and video;
+ // we just put the audio in frame by frame, and if a video frame is
+ // dropped, we still keep the audio, which means it will be added
+ // to the beginning of the next frame. It would probably be better
+ // to move the audio pts earlier to show this, but most players can
+ // live with some jitter, and in a lot of ways, it's much nicer for
+ // Futatabi to have all audio locked to a video frame.
+ card->new_raw_audio.insert(card->new_raw_audio.end(), converted_samples.begin(), converted_samples.end());
+
+ // Truncate to one second, just to be sure we don't have infinite buildup in case of weirdness.
+ if (card->new_raw_audio.size() > OUTPUT_FREQUENCY * 2) {
+ size_t excess_samples = card->new_raw_audio.size() - OUTPUT_FREQUENCY * 2;
+ card->new_raw_audio.erase(card->new_raw_audio.begin(), card->new_raw_audio.begin() + excess_samples);
+ }
+ }
+ }
}
// Done with the audio, so release it.
card->last_timecode = timecode;
PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
+ if (card->type == CardType::FFMPEG_INPUT && userdata != nullptr) {
+ FFmpegCapture *ffmpeg_capture = static_cast<FFmpegCapture *>(card->capture.get());
+ userdata->has_last_subtitle = ffmpeg_capture->get_has_last_subtitle();
+ userdata->last_subtitle = ffmpeg_capture->get_last_subtitle();
+ }
+#ifdef HAVE_SRT
+ if (card->type == CardType::FFMPEG_INPUT) {
+ int srt_sock = static_cast<FFmpegCapture *>(card->capture.get())->get_srt_sock();
+ if (srt_sock != -1) {
+ update_srt_stats(srt_sock, card);
+ }
+ }
+#endif
- size_t cbcr_width, cbcr_height, cbcr_offset, y_offset;
+ size_t y_offset, cbcr_offset;
size_t expected_length = video_format.stride * (video_format.height + video_format.extra_lines_top + video_format.extra_lines_bottom);
- if (userdata->pixel_format == PixelFormat_8BitYCbCrPlanar) {
+ if (userdata != nullptr && userdata->pixel_format == PixelFormat_8BitYCbCrPlanar) {
// The calculation above is wrong for planar Y'CbCr, so just override it.
assert(card->type == CardType::FFMPEG_INPUT);
assert(video_offset == 0);
expected_length = video_frame.len;
userdata->ycbcr_format = (static_cast<FFmpegCapture *>(card->capture.get()))->get_current_frame_ycbcr_format();
- cbcr_width = video_format.width / userdata->ycbcr_format.chroma_subsampling_x;
- cbcr_height = video_format.height / userdata->ycbcr_format.chroma_subsampling_y;
- cbcr_offset = video_format.width * video_format.height;
y_offset = 0;
+ cbcr_offset = video_format.width * video_format.height;
} else {
// All the other Y'CbCr formats are 4:2:2.
- cbcr_width = video_format.width / 2;
- cbcr_height = video_format.height;
- cbcr_offset = video_offset / 2;
y_offset = video_frame.size / 2 + video_offset / 2;
+ cbcr_offset = video_offset / 2;
}
if (video_frame.len - video_offset == 0 ||
video_frame.len - video_offset != expected_length) {
if (video_frame.len != 0) {
- printf("%s: Dropping video frame with wrong length (%ld; expected %ld)\n",
+ printf("%s: Dropping video frame with wrong length (%zu; expected %zu)\n",
spec_to_string(device).c_str(), video_frame.len - video_offset, expected_length);
}
if (video_frame.owner) {
// Still send on the information that we _had_ a frame, even though it's corrupted,
// so that pts can go up accordingly.
{
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
CaptureCard::NewFrame new_frame;
new_frame.frame = RefCountedFrame(FrameAllocator::Frame());
new_frame.length = frame_length;
unsigned num_fields = video_format.interlaced ? 2 : 1;
steady_clock::time_point frame_upload_start;
- bool interlaced_stride = false;
if (video_format.interlaced) {
// Send the two fields along as separate frames; the other side will need to add
// a deinterlacer to actually get this right.
assert(video_format.height % 2 == 0);
video_format.height /= 2;
- cbcr_height /= 2;
assert(frame_length % 2 == 0);
frame_length /= 2;
num_fields = 2;
- if (video_format.second_field_start == 1) {
- interlaced_stride = true;
- }
frame_upload_start = steady_clock::now();
}
+ assert(userdata != nullptr);
userdata->last_interlaced = video_format.interlaced;
userdata->last_has_signal = video_format.has_signal;
userdata->last_is_connected = video_format.is_connected;
userdata->last_frame_rate_den = video_format.frame_rate_den;
RefCountedFrame frame(video_frame);
- // Upload the textures.
+ // Send the frames on to the main thread, which will upload and process htem.
+ // It is entirely possible to upload them in the same thread (and it might even be
+ // faster, depending on the GPU and driver), but it appears to be trickling
+ // driver bugs very easily.
+ //
+ // Note that this means we must hold on to the actual frame data in <userdata>
+ // until the upload is done, but we hold on to <frame> much longer than that
+ // (in fact, all the way until we no longer use the texture in rendering).
for (unsigned field = 0; field < num_fields; ++field) {
- // Put the actual texture upload in a lambda that is executed in the main thread.
- // It is entirely possible to do this in the same thread (and it might even be
- // faster, depending on the GPU and driver), but it appears to be trickling
- // driver bugs very easily.
- //
- // Note that this means we must hold on to the actual frame data in <userdata>
- // until the upload command is run, but we hold on to <frame> much longer than that
- // (in fact, all the way until we no longer use the texture in rendering).
- auto upload_func = [this, field, video_format, y_offset, video_offset, cbcr_offset, cbcr_width, cbcr_height, interlaced_stride, userdata]() {
- unsigned field_start_line;
- if (field == 1) {
- field_start_line = video_format.second_field_start;
- } else {
- field_start_line = video_format.extra_lines_top;
- }
-
- // For anything not FRAME_FORMAT_YCBCR_10BIT, v210_width will be nonsensical but not used.
- size_t v210_width = video_format.stride / sizeof(uint32_t);
- ensure_texture_resolution(userdata, field, video_format.width, video_format.height, cbcr_width, cbcr_height, v210_width);
-
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER, userdata->pbo);
- check_error();
-
- switch (userdata->pixel_format) {
- case PixelFormat_10BitYCbCr: {
- size_t field_start = video_offset + video_format.stride * field_start_line;
- upload_texture(userdata->tex_v210[field], v210_width, video_format.height, video_format.stride, interlaced_stride, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, field_start);
- v210_converter->convert(userdata->tex_v210[field], userdata->tex_444[field], video_format.width, video_format.height);
- break;
- }
- case PixelFormat_8BitYCbCr: {
- size_t field_y_start = y_offset + video_format.width * field_start_line;
- size_t field_cbcr_start = cbcr_offset + cbcr_width * field_start_line * sizeof(uint16_t);
-
- // Make up our own strides, since we are interleaving.
- upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
- upload_texture(userdata->tex_cbcr[field], cbcr_width, cbcr_height, cbcr_width * sizeof(uint16_t), interlaced_stride, GL_RG, GL_UNSIGNED_BYTE, field_cbcr_start);
- break;
- }
- case PixelFormat_8BitYCbCrPlanar: {
- assert(field_start_line == 0); // We don't really support interlaced here.
- size_t field_y_start = y_offset;
- size_t field_cb_start = cbcr_offset;
- size_t field_cr_start = cbcr_offset + cbcr_width * cbcr_height;
-
- // Make up our own strides, since we are interleaving.
- upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
- upload_texture(userdata->tex_cb[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cb_start);
- upload_texture(userdata->tex_cr[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cr_start);
- break;
- }
- case PixelFormat_8BitBGRA: {
- size_t field_start = video_offset + video_format.stride * field_start_line;
- upload_texture(userdata->tex_rgba[field], video_format.width, video_format.height, video_format.stride, interlaced_stride, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, field_start);
- // These could be asked to deliver mipmaps at any time.
- glBindTexture(GL_TEXTURE_2D, userdata->tex_rgba[field]);
- check_error();
- glGenerateMipmap(GL_TEXTURE_2D);
- check_error();
- glBindTexture(GL_TEXTURE_2D, 0);
- check_error();
- break;
- }
- default:
- assert(false);
- }
-
- glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
- check_error();
- };
-
if (field == 1) {
// Don't upload the second field as fast as we can; wait until
// the field time has approximately passed. (Otherwise, we could
}
{
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
CaptureCard::NewFrame new_frame;
new_frame.frame = frame;
new_frame.length = frame_length;
new_frame.field = field;
new_frame.interlaced = video_format.interlaced;
- new_frame.upload_func = upload_func;
new_frame.dropped_frames = dropped_frames;
new_frame.received_timestamp = video_frame.received_timestamp; // Ignore the audio timestamp.
new_frame.video_format = video_format;
+ new_frame.video_offset = video_offset;
new_frame.y_offset = y_offset;
new_frame.cbcr_offset = cbcr_offset;
+ new_frame.texture_uploaded = false;
+ if (card->type == CardType::FFMPEG_INPUT) {
+ FFmpegCapture *ffmpeg_capture = static_cast<FFmpegCapture *>(card->capture.get());
+ new_frame.neutral_color = ffmpeg_capture->get_last_neutral_color();
+ }
card->new_frames.push_back(move(new_frame));
card->jitter_history.frame_arrived(video_frame.received_timestamp, frame_length, dropped_frames);
card->may_have_dropped_last_frame = false;
}
}
+void Mixer::upload_texture_for_frame(
+ int field, bmusb::VideoFormat video_format,
+ size_t y_offset, size_t cbcr_offset, size_t video_offset, PBOFrameAllocator::Userdata *userdata)
+{
+ size_t cbcr_width, cbcr_height;
+ if (userdata != nullptr && userdata->pixel_format == PixelFormat_8BitYCbCrPlanar) {
+ cbcr_width = video_format.width / userdata->ycbcr_format.chroma_subsampling_x;
+ cbcr_height = video_format.height / userdata->ycbcr_format.chroma_subsampling_y;
+ } else {
+ // All the other Y'CbCr formats are 4:2:2.
+ cbcr_width = video_format.width / 2;
+ cbcr_height = video_format.height;
+ }
+
+ bool interlaced_stride = video_format.interlaced && (video_format.second_field_start == 1);
+ if (video_format.interlaced) {
+ cbcr_height /= 2;
+ }
+
+ unsigned field_start_line;
+ if (field == 1) {
+ field_start_line = video_format.second_field_start;
+ } else {
+ field_start_line = video_format.extra_lines_top;
+ }
+
+ // For anything not FRAME_FORMAT_YCBCR_10BIT, v210_width will be nonsensical but not used.
+ size_t v210_width = video_format.stride / sizeof(uint32_t);
+ ensure_texture_resolution(userdata, field, video_format.width, video_format.height, cbcr_width, cbcr_height, v210_width);
+
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, userdata->pbo);
+ check_error();
+
+ switch (userdata->pixel_format) {
+ case PixelFormat_10BitYCbCr: {
+ size_t field_start = video_offset + video_format.stride * field_start_line;
+ upload_texture(userdata->tex_v210[field], v210_width, video_format.height, video_format.stride, interlaced_stride, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, field_start);
+ v210_converter->convert(userdata->tex_v210[field], userdata->tex_444[field], video_format.width, video_format.height);
+ break;
+ }
+ case PixelFormat_8BitYCbCr: {
+ size_t field_y_start = y_offset + video_format.width * field_start_line;
+ size_t field_cbcr_start = cbcr_offset + cbcr_width * field_start_line * sizeof(uint16_t);
+
+ // Make up our own strides, since we are interleaving.
+ upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
+ upload_texture(userdata->tex_cbcr[field], cbcr_width, cbcr_height, cbcr_width * sizeof(uint16_t), interlaced_stride, GL_RG, GL_UNSIGNED_BYTE, field_cbcr_start);
+ break;
+ }
+ case PixelFormat_8BitYCbCrPlanar: {
+ assert(field_start_line == 0); // We don't really support interlaced here.
+ size_t field_y_start = y_offset;
+ size_t field_cb_start = cbcr_offset;
+ size_t field_cr_start = cbcr_offset + cbcr_width * cbcr_height;
+
+ // Make up our own strides, since we are interleaving.
+ upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
+ upload_texture(userdata->tex_cb[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cb_start);
+ upload_texture(userdata->tex_cr[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cr_start);
+ break;
+ }
+ case PixelFormat_8BitBGRA: {
+ size_t field_start = video_offset + video_format.stride * field_start_line;
+ upload_texture(userdata->tex_rgba[field], video_format.width, video_format.height, video_format.stride, interlaced_stride, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, field_start);
+ // These could be asked to deliver mipmaps at any time.
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_rgba[field]);
+ check_error();
+ glGenerateMipmap(GL_TEXTURE_2D);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, 0);
+ check_error();
+ break;
+ }
+ default:
+ assert(false);
+ }
+
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+ check_error();
+}
+
void Mixer::bm_hotplug_add(libusb_device *dev)
{
lock_guard<mutex> lock(hotplug_mutex);
QOpenGLContext *context = create_context(mixer_surface);
if (!make_current(context, mixer_surface)) {
printf("oops\n");
- exit(1);
+ abort();
}
// Start the actual capture. (We don't want to do it before we're actually ready
master_card_index = output_card_index;
} else {
master_card_is_output = false;
- master_card_index = theme->map_signal(master_clock_channel);
+ master_card_index = theme->map_signal_to_card(master_clock_channel);
assert(master_card_index < num_cards + num_video_inputs);
}
- OutputFrameInfo output_frame_info = get_one_frame_from_each_card(master_card_index, master_card_is_output, new_frames, has_new_frame);
+ handle_hotplugged_cards();
+
+ vector<int32_t> raw_audio[MAX_VIDEO_CARDS]; // For MJPEG encoding.
+ OutputFrameInfo output_frame_info = get_one_frame_from_each_card(master_card_index, master_card_is_output, new_frames, has_new_frame, raw_audio);
schedule_audio_resampling_tasks(output_frame_info.dropped_frames, output_frame_info.num_samples, output_frame_info.frame_duration, output_frame_info.is_preroll, output_frame_info.frame_timestamp);
stats_dropped_frames += output_frame_info.dropped_frames;
- handle_hotplugged_cards();
-
for (unsigned card_index = 0; card_index < num_cards + num_video_inputs + num_html_inputs; ++card_index) {
DeviceSpec device = card_index_to_device(card_index, num_cards);
if (card_index == master_card_index || !has_new_frame[card_index]) {
check_error();
// The new texture might need uploading before use.
- if (new_frame->upload_func) {
- new_frame->upload_func();
- new_frame->upload_func = nullptr;
+ if (!new_frame->texture_uploaded) {
+ upload_texture_for_frame(new_frame->field, new_frame->video_format, new_frame->y_offset, new_frame->cbcr_offset,
+ new_frame->video_offset, (PBOFrameAllocator::Userdata *)new_frame->frame->userdata);
+ new_frame->texture_uploaded = true;
}
- // Only bother doing MJPEG encoding if there are any connected clients
- // that want the stream.
- if (httpd.get_num_connected_multicam_clients() > 0) {
- auto stream_it = global_flags.card_to_mjpeg_stream_export.find(card_index);
- if (stream_it != global_flags.card_to_mjpeg_stream_export.end()) {
- mjpeg_encoder->upload_frame(pts_int, stream_it->second, new_frame->frame, new_frame->video_format, new_frame->y_offset, new_frame->cbcr_offset);
- }
+ // Only set the white balance if it actually changed. This means that the user
+ // is free to override the white balance in a video with no white balance information
+ // actually set (ie. r=g=b=1 all the time), or one where the white point is wrong,
+ // but frame-to-frame decisions will be heeded. We do this pretty much as late
+ // as possible (ie., after picking out the frame from the buffer), so that we are sure
+ // that the change takes effect on exactly the right frame.
+ if (fabs(new_frame->neutral_color.r - last_received_neutral_color[card_index].r) > 1e-3 ||
+ fabs(new_frame->neutral_color.g - last_received_neutral_color[card_index].g) > 1e-3 ||
+ fabs(new_frame->neutral_color.b - last_received_neutral_color[card_index].b) > 1e-3) {
+ theme->set_wb_for_card(card_index, new_frame->neutral_color.r, new_frame->neutral_color.g, new_frame->neutral_color.b);
+ last_received_neutral_color[card_index] = new_frame->neutral_color;
}
+
+ if (new_frame->frame->data_copy != nullptr && mjpeg_encoder->should_encode_mjpeg_for_card(card_index)) {
+ RGBTriplet neutral_color = theme->get_white_balance_for_card(card_index);
+ mjpeg_encoder->upload_frame(pts_int, card_index, new_frame->frame, new_frame->video_format, new_frame->y_offset, new_frame->cbcr_offset, move(raw_audio[card_index]), neutral_color);
+ }
+
}
int64_t frame_duration = output_frame_info.frame_duration;
pair<string, string> Mixer::get_channels_json()
{
Channels ret;
- for (int channel_idx = 2; channel_idx < theme->get_num_channels(); ++channel_idx) {
+ for (int channel_idx = 0; channel_idx < theme->get_num_channels(); ++channel_idx) {
Channel *channel = ret.add_channel();
- channel->set_index(channel_idx);
- channel->set_name(theme->get_channel_name(channel_idx));
- channel->set_color(theme->get_channel_color(channel_idx));
+ channel->set_index(channel_idx + 2);
+ channel->set_name(theme->get_channel_name(channel_idx + 2));
+ channel->set_color(theme->get_channel_color(channel_idx + 2));
}
string contents;
google::protobuf::util::MessageToJsonString(ret, &contents); // Ignore any errors.
return make_pair(theme->get_channel_color(channel_idx), "text/plain");
}
-Mixer::OutputFrameInfo Mixer::get_one_frame_from_each_card(unsigned master_card_index, bool master_card_is_output, CaptureCard::NewFrame new_frames[MAX_VIDEO_CARDS], bool has_new_frame[MAX_VIDEO_CARDS])
+Mixer::OutputFrameInfo Mixer::get_one_frame_from_each_card(unsigned master_card_index, bool master_card_is_output, CaptureCard::NewFrame new_frames[MAX_VIDEO_CARDS], bool has_new_frame[MAX_VIDEO_CARDS], vector<int32_t> raw_audio[MAX_VIDEO_CARDS])
{
OutputFrameInfo output_frame_info;
start:
// we dropped. (may_have_dropped_last_frame is set whenever we
// trim the queue completely away, and cleared when we actually
// get a new frame.)
- ((CEFCapture *)card->capture.get())->request_new_frame();
+ ((CEFCapture *)card->capture.get())->request_new_frame(/*ignore_if_locked=*/true);
}
#endif
} else {
card->new_frames.pop_front();
card->new_frames_changed.notify_all();
}
+
+ raw_audio[card_index] = move(card->new_raw_audio);
}
if (!master_card_is_output) {
// This might get off by a fractional sample when changing master card
// between ones with different frame rates, but that's fine.
- int num_samples_times_timebase = OUTPUT_FREQUENCY * output_frame_info.frame_duration + fractional_samples;
+ int64_t num_samples_times_timebase = int64_t(OUTPUT_FREQUENCY) * output_frame_info.frame_duration + fractional_samples;
output_frame_info.num_samples = num_samples_times_timebase / TIMEBASE;
fractional_samples = num_samples_times_timebase % TIMEBASE;
assert(output_frame_info.num_samples >= 0);
// Check for cards that have been connected since last frame.
vector<libusb_device *> hotplugged_cards_copy;
+#ifdef HAVE_SRT
+ vector<int> hotplugged_srt_cards_copy;
+#endif
{
lock_guard<mutex> lock(hotplug_mutex);
swap(hotplugged_cards, hotplugged_cards_copy);
+#ifdef HAVE_SRT
+ swap(hotplugged_srt_cards, hotplugged_srt_cards_copy);
+#endif
}
for (libusb_device *new_dev : hotplugged_cards_copy) {
// Look for a fake capture card where we can stick this in.
capture->start_bm_capture();
}
}
+
+#ifdef HAVE_SRT
+ // Same, for SRT inputs.
+ // TODO: On disconnect and reconnect, we might want to use the stream ID
+ for (SRTSOCKET sock : hotplugged_srt_cards_copy) {
+ char name[256];
+ int namelen = sizeof(name);
+ srt_getsockopt(sock, /*ignored=*/0, SRTO_STREAMID, name, &namelen);
+ string stream_id(name, namelen);
+
+ // Look for a fake capture card where we can stick this in.
+ // Prioritize ones that previously held SRT streams with the
+ // same stream ID, if any exist -- and it multiple exist,
+ // take the one that disconnected the last.
+ int first_free_card_index = -1, last_matching_free_card_index = -1;
+ for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ CaptureCard *card = &cards[card_index];
+ if (!card->is_fake_capture) {
+ continue;
+ }
+ if (first_free_card_index == -1) {
+ first_free_card_index = card_index;
+ }
+ if (card->last_srt_stream_id == stream_id &&
+ (last_matching_free_card_index == -1 ||
+ card->fake_capture_counter >
+ cards[last_matching_free_card_index].fake_capture_counter)) {
+ last_matching_free_card_index = card_index;
+ }
+ }
+
+ const int free_card_index = (last_matching_free_card_index != -1)
+ ? last_matching_free_card_index : first_free_card_index;
+ if (free_card_index == -1) {
+ if (stream_id.empty()) {
+ stream_id = "no name";
+ }
+ fprintf(stderr, "New SRT stream connected (%s), but no free slots -- ignoring.\n", stream_id.c_str());
+ srt_close(sock);
+ } else {
+ // FFmpegCapture takes ownership.
+ if (stream_id.empty()) {
+ fprintf(stderr, "New unnamed SRT stream connected, choosing slot %d.\n", free_card_index);
+ } else {
+ fprintf(stderr, "New SRT stream connected (%s), choosing slot %d.\n", stream_id.c_str(), free_card_index);
+ }
+ CaptureCard *card = &cards[free_card_index];
+ FFmpegCapture *capture = new FFmpegCapture(sock, stream_id);
+ capture->set_card_index(free_card_index);
+ configure_card(free_card_index, capture, CardType::FFMPEG_INPUT, /*output=*/nullptr, /*override_card_as_live=*/true);
+ update_srt_stats(sock, card); // Initial zero stats.
+ card->last_srt_stream_id = stream_id;
+ card->queue_length_policy.reset(free_card_index);
+ capture->set_card_disconnected_callback(bind(&Mixer::bm_hotplug_remove, this, free_card_index));
+ capture->start_bm_capture();
+ }
+ }
+#endif
}
// non-dropped frame; perhaps we should just discard that as well,
// since dropped frames are expected to be rare, and it might be
// better to just wait until we have a slightly more normal situation).
- unique_lock<mutex> lock(audio_mutex);
+ lock_guard<mutex> lock(audio_mutex);
bool adjust_rate = !dropped_frame && !is_preroll;
audio_task_queue.push(AudioTask{pts_int, num_samples_per_frame, adjust_rate, frame_timestamp});
audio_task_queue_changed.notify_one();
// Update Y'CbCr settings for all cards.
{
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
YCbCrInterpretation *interpretation = &ycbcr_interpretation[card_index];
input_state.ycbcr_coefficients_auto[card_index] = interpretation->ycbcr_coefficients_auto;
audio_task_queue_changed.notify_one();
mixer_thread.join();
audio_thread.join();
+#ifdef HAVE_SRT
+ if (global_flags.srt_port >= 0) {
+ // There's seemingly no other reasonable way to wake up the thread
+ // (libsrt's epoll equivalent is busy-waiting).
+ int sock = srt_socket(AF_INET6, 0, 0);
+ if (sock != -1) {
+ sockaddr_in6 addr;
+ memset(&addr, 0, sizeof(addr));
+ addr.sin6_family = AF_INET6;
+ addr.sin6_addr = IN6ADDR_LOOPBACK_INIT;
+ addr.sin6_port = htons(global_flags.srt_port);
+ srt_connect(sock, (sockaddr *)&addr, sizeof(addr));
+ srt_close(sock);
+ }
+ srt_thread.join();
+ }
+#endif
}
void Mixer::transition_clicked(int transition_num)
YCbCrInterpretation Mixer::get_input_ycbcr_interpretation(unsigned card_index) const
{
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
return ycbcr_interpretation[card_index];
}
void Mixer::set_input_ycbcr_interpretation(unsigned card_index, const YCbCrInterpretation &interpretation)
{
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
ycbcr_interpretation[card_index] = interpretation;
}
map<uint32_t, VideoMode> Mixer::get_available_output_video_modes() const
{
assert(desired_output_card_index != -1);
- unique_lock<mutex> lock(card_mutex);
+ lock_guard<mutex> lock(card_mutex);
return cards[desired_output_card_index].output->get_available_video_modes();
}
// Store this frame for display. Remove the ready frame if any
// (it was seemingly never used).
{
- unique_lock<mutex> lock(frame_mutex);
+ lock_guard<mutex> lock(frame_mutex);
if (has_ready_frame) {
parent->release_display_frame(&ready_frame);
}
bool Mixer::OutputChannel::get_display_frame(DisplayFrame *frame)
{
- unique_lock<mutex> lock(frame_mutex);
+ lock_guard<mutex> lock(frame_mutex);
if (!has_current_frame && !has_ready_frame) {
return false;
}
void Mixer::OutputChannel::add_frame_ready_callback(void *key, Mixer::new_frame_ready_callback_t callback)
{
- unique_lock<mutex> lock(frame_mutex);
+ lock_guard<mutex> lock(frame_mutex);
new_frame_ready_callbacks[key] = callback;
}
void Mixer::OutputChannel::remove_frame_ready_callback(void *key)
{
- unique_lock<mutex> lock(frame_mutex);
+ lock_guard<mutex> lock(frame_mutex);
new_frame_ready_callbacks.erase(key);
}
color_updated_callback = callback;
}
+#ifdef HAVE_SRT
+void Mixer::start_srt()
+{
+ SRTSOCKET sock = srt_socket(AF_INET6, 0, 0);
+ sockaddr_in6 addr;
+ memset(&addr, 0, sizeof(addr));
+ addr.sin6_family = AF_INET6;
+ addr.sin6_port = htons(global_flags.srt_port);
+
+ int err = srt_bind(sock, (sockaddr *)&addr, sizeof(addr));
+ if (err != 0) {
+ fprintf(stderr, "srt_bind: %s\n", srt_getlasterror_str());
+ abort();
+ }
+ err = srt_listen(sock, MAX_VIDEO_CARDS);
+ if (err != 0) {
+ fprintf(stderr, "srt_listen: %s\n", srt_getlasterror_str());
+ abort();
+ }
+
+ srt_thread = thread([this, sock] {
+ sockaddr_in6 addr;
+ for ( ;; ) {
+ int sa_len = sizeof(addr);
+ int clientsock = srt_accept(sock, (sockaddr *)&addr, &sa_len);
+ if (should_quit) {
+ if (clientsock != -1) {
+ srt_close(clientsock);
+ }
+ break;
+ }
+ lock_guard<mutex> lock(hotplug_mutex);
+ hotplugged_srt_cards.push_back(clientsock);
+ }
+ srt_close(sock);
+ });
+}
+#endif
+
+#ifdef HAVE_SRT
+void Mixer::update_srt_stats(int srt_sock, Mixer::CaptureCard *card)
+{
+ SRT_TRACEBSTATS stats;
+ srt_bistats(srt_sock, &stats, /*clear=*/0, /*instantaneous=*/1);
+
+ card->metric_srt_uptime_seconds = stats.msTimeStamp * 1e-3;
+ card->metric_srt_send_duration_seconds = stats.usSndDurationTotal * 1e-6;
+ card->metric_srt_sent_bytes = stats.byteSentTotal;
+ card->metric_srt_received_bytes = stats.byteRecvTotal;
+ card->metric_srt_sent_packets_normal = stats.pktSentTotal;
+ card->metric_srt_received_packets_normal = stats.pktRecvTotal;
+ card->metric_srt_sent_packets_lost = stats.pktSndLossTotal;
+ card->metric_srt_received_packets_lost = stats.pktRcvLossTotal;
+ card->metric_srt_sent_packets_retransmitted = stats.pktRetransTotal;
+ card->metric_srt_sent_bytes_retransmitted = stats.byteRetransTotal;
+ card->metric_srt_sent_packets_ack = stats.pktSentACKTotal;
+ card->metric_srt_received_packets_ack = stats.pktRecvACKTotal;
+ card->metric_srt_sent_packets_nak = stats.pktSentNAKTotal;
+ card->metric_srt_received_packets_nak = stats.pktRecvNAKTotal;
+ card->metric_srt_sent_packets_dropped = stats.pktSndDropTotal;
+ card->metric_srt_received_packets_dropped = stats.pktRcvDropTotal;
+ card->metric_srt_sent_bytes_dropped = stats.byteSndDropTotal;
+ card->metric_srt_received_bytes_dropped = stats.byteRcvDropTotal;
+ card->metric_srt_received_packets_undecryptable = stats.pktRcvUndecryptTotal;
+ card->metric_srt_received_bytes_undecryptable = stats.byteRcvUndecryptTotal;
+ card->metric_srt_filter_sent_packets = stats.pktSndFilterExtraTotal;
+ card->metric_srt_filter_received_extra_packets = stats.pktRcvFilterExtraTotal;
+ card->metric_srt_filter_received_rebuilt_packets = stats.pktRcvFilterSupplyTotal;
+ card->metric_srt_filter_received_lost_packets = stats.pktRcvFilterLossTotal;
+
+ // Gauges.
+ card->metric_srt_packet_sending_period_seconds = stats.usPktSndPeriod * 1e-6;
+ card->metric_srt_flow_window_packets = stats.pktFlowWindow;
+ card->metric_srt_congestion_window_packets = stats.pktCongestionWindow;
+ card->metric_srt_flight_size_packets = stats.pktFlightSize;
+ card->metric_srt_rtt_seconds = stats.msRTT * 1e-3;
+ card->metric_srt_estimated_bandwidth_bits_per_second = stats.mbpsBandwidth * 1e6;
+ card->metric_srt_bandwidth_ceiling_bits_per_second = stats.mbpsMaxBW * 1e6;
+ card->metric_srt_send_buffer_available_bytes = stats.byteAvailSndBuf;
+ card->metric_srt_receive_buffer_available_bytes = stats.byteAvailRcvBuf;
+ card->metric_srt_mss_bytes = stats.byteMSS;
+ card->metric_srt_sender_unacked_packets = stats.pktSndBuf;
+ card->metric_srt_sender_unacked_bytes = stats.byteSndBuf;
+ card->metric_srt_sender_unacked_timespan_seconds = stats.msSndBuf * 1e-3;
+ card->metric_srt_sender_delivery_delay_seconds = stats.msSndTsbPdDelay * 1e-3;
+ card->metric_srt_receiver_unacked_packets = stats.pktRcvBuf;
+ card->metric_srt_receiver_unacked_bytes = stats.byteRcvBuf;
+ card->metric_srt_receiver_unacked_timespan_seconds = stats.msRcvBuf * 1e-3;
+ card->metric_srt_receiver_delivery_delay_seconds = stats.msRcvTsbPdDelay * 1e-3;
+}
+#endif
+
mutex RefCountedGLsync::fence_lock;