#include "decklink_output.h"
#include "defs.h"
#include "disk_space_estimator.h"
+#include "ffmpeg_capture.h"
#include "flags.h"
#include "input_mapping.h"
+#include "metrics.h"
#include "pbo_frame_allocator.h"
#include "ref_counted_gl_sync.h"
#include "resampling_queue.h"
}
}
-void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned field, unsigned width, unsigned height, unsigned v210_width)
+void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned field, unsigned width, unsigned height, unsigned cbcr_width, unsigned cbcr_height, unsigned v210_width)
{
bool first;
- if (userdata->pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ switch (userdata->pixel_format) {
+ case PixelFormat_10BitYCbCr:
first = userdata->tex_v210[field] == 0 || userdata->tex_444[field] == 0;
- } else {
+ break;
+ case PixelFormat_8BitYCbCr:
first = userdata->tex_y[field] == 0 || userdata->tex_cbcr[field] == 0;
+ break;
+ case PixelFormat_8BitBGRA:
+ first = userdata->tex_rgba[field] == 0;
+ break;
+ case PixelFormat_8BitYCbCrPlanar:
+ first = userdata->tex_y[field] == 0 || userdata->tex_cb[field] == 0 || userdata->tex_cr[field] == 0;
+ break;
+ default:
+ assert(false);
}
if (first ||
width != userdata->last_width[field] ||
- height != userdata->last_height[field]) {
+ height != userdata->last_height[field] ||
+ cbcr_width != userdata->last_cbcr_width[field] ||
+ cbcr_height != userdata->last_cbcr_height[field]) {
// 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.
- if (userdata->pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ switch (userdata->pixel_format) {
+ case PixelFormat_10BitYCbCr:
glBindTexture(GL_TEXTURE_2D, userdata->tex_444[field]);
check_error();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB10_A2, width, height, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, nullptr);
check_error();
- } else {
- size_t cbcr_width = width / 2;
-
+ break;
+ case PixelFormat_8BitYCbCr: {
glBindTexture(GL_TEXTURE_2D, userdata->tex_cbcr[field]);
check_error();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, cbcr_width, height, 0, GL_RG, GL_UNSIGNED_BYTE, nullptr);
check_error();
glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
check_error();
+ break;
+ }
+ case PixelFormat_8BitYCbCrPlanar: {
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_y[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cb[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, cbcr_width, cbcr_height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cr[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, cbcr_width, cbcr_height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ break;
+ }
+ 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);
+ }
+ check_error();
+ break;
}
userdata->last_width[field] = width;
userdata->last_height[field] = height;
+ 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])) {
} // namespace
+void QueueLengthPolicy::register_metrics(const vector<pair<string, string>> &labels)
+{
+ global_metrics.add("input_queue_length_frames", labels, &metric_input_queue_length_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_queue_safe_length_frames", labels, &metric_input_queue_safe_length_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_queue_duped_frames", labels, &metric_input_duped_frames);
+}
+
void QueueLengthPolicy::update_policy(unsigned queue_length)
{
if (queue_length == 0) { // Starvation.
}
frames_with_at_least_one = 0;
been_at_safe_point_since_last_starvation = false;
+ ++metric_input_duped_frames;
+ metric_input_queue_safe_length_frames = safe_queue_length;
+ metric_input_queue_length_frames = 0;
return;
}
if (queue_length >= safe_queue_length) {
}
if (++frames_with_at_least_one >= 1000 && safe_queue_length > 1) {
--safe_queue_length;
+ metric_input_queue_safe_length_frames = safe_queue_length;
fprintf(stderr, "Card %u: Spare frames for more than 1000 frames, reducing safe limit to %u frame(s)\n",
card_index, safe_queue_length);
frames_with_at_least_one = 0;
}
+ metric_input_queue_length_frames = min(queue_length, safe_queue_length); // The caller will drop frames for us if needed.
}
Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
decklink_output_surface(create_surface(format)),
audio_mixer(num_cards)
{
+ 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");
+
// Since we allow non-bouncing 4:2:2 YCbCrInputs, effective subpixel precision
// will be halved when sampling them, and we need to compensate here.
movit_texel_subpixel_precision /= 2.0;
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);
- configure_card(card_index, capture, /*is_fake_capture=*/false, output);
+ configure_card(card_index, capture, CardType::LIVE_CARD, output);
++num_pci_devices;
}
decklink_iterator->Release();
for (unsigned usb_card_index = 0; usb_card_index < num_usb_devices && card_index < num_cards; ++usb_card_index, ++card_index) {
BMUSBCapture *capture = new BMUSBCapture(usb_card_index);
capture->set_card_disconnected_callback(bind(&Mixer::bm_hotplug_remove, this, card_index));
- configure_card(card_index, capture, /*is_fake_capture=*/false, /*output=*/nullptr);
+ configure_card(card_index, capture, CardType::LIVE_CARD, /*output=*/nullptr);
}
fprintf(stderr, "Found %u USB card(s).\n", num_usb_devices);
unsigned num_fake_cards = 0;
for ( ; card_index < num_cards; ++card_index, ++num_fake_cards) {
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, /*is_fake_capture=*/true, /*output=*/nullptr);
+ configure_card(card_index, capture, CardType::FAKE_CAPTURE, /*output=*/nullptr);
}
if (num_fake_cards > 0) {
fprintf(stderr, "Initialized %u fake cards.\n", num_fake_cards);
}
+ // Initialize all video inputs the theme asked for. Note that these are
+ // all put _after_ the regular cards, which stop at <num_cards> - 1.
+ std::vector<FFmpegCapture *> video_inputs = theme->get_video_inputs();
+ 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);
+ }
+ configure_card(card_index, video_inputs[video_card_index], CardType::FFMPEG_INPUT, /*output=*/nullptr);
+ video_inputs[video_card_index]->set_card_index(card_index);
+ }
+ num_video_inputs = video_inputs.size();
+
BMUSBCapture::set_card_connected_callback(bind(&Mixer::bm_hotplug_add, this, _1));
BMUSBCapture::start_bm_thread();
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
cards[card_index].queue_length_policy.reset(card_index);
}
desired_output_card_index = global_flags.output_card;
set_output_card_internal(global_flags.output_card);
}
+
+ metric_start_time_seconds = get_timestamp_for_metrics();
+
+ 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()
{
BMUSBCapture::stop_bm_thread();
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
{
unique_lock<mutex> lock(card_mutex);
cards[card_index].should_quit = true; // Unblock thread.
video_encoder.reset(nullptr);
}
-void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, bool is_fake_capture, DeckLinkOutput *output)
+void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, CardType card_type, DeckLinkOutput *output)
{
printf("Configuring card %d...\n", card_index);
card->capture->stop_dequeue_thread();
}
card->capture.reset(capture);
- card->is_fake_capture = is_fake_capture;
+ card->is_fake_capture = (card_type == CardType::FAKE_CAPTURE);
+ card->type = card_type;
if (card->output.get() != output) {
card->output.reset(output);
}
- bmusb::PixelFormat pixel_format = global_flags.ten_bit_input ? PixelFormat_10BitYCbCr : PixelFormat_8BitYCbCr;
+ PixelFormat pixel_format;
+ if (card_type == CardType::FFMPEG_INPUT) {
+ pixel_format = capture->get_current_pixel_format();
+ } else if (global_flags.ten_bit_input) {
+ pixel_format = PixelFormat_10BitYCbCr;
+ } else {
+ pixel_format = PixelFormat_8BitYCbCr;
+ }
card->capture->set_frame_callback(bind(&Mixer::bm_frame, this, card_index, _1, _2, _3, _4, _5, _6, _7));
if (card->frame_allocator == nullptr) {
audio_mixer.reset_resampler(device);
audio_mixer.set_display_name(device, card->capture->get_description());
audio_mixer.trigger_state_changed_callback();
+
+ // Unregister old metrics, if any.
+ if (!card->labels.empty()) {
+ const vector<pair<string, string>> &labels = card->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_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);
+ }
+
+ // Register metrics.
+ vector<pair<string, string>> labels;
+ char card_name[64];
+ snprintf(card_name, sizeof(card_name), "%d", card_index);
+ labels.emplace_back("card", card_name);
+
+ switch (card_type) {
+ case CardType::LIVE_CARD:
+ labels.emplace_back("cardtype", "live");
+ break;
+ case CardType::FAKE_CAPTURE:
+ labels.emplace_back("cardtype", "fake");
+ break;
+ case CardType::FFMPEG_INPUT:
+ labels.emplace_back("cardtype", "ffmpeg");
+ break;
+ default:
+ assert(false);
+ }
+ card->queue_length_policy.register_metrics(labels);
+ global_metrics.add("input_received_frames", labels, &card->metric_input_received_frames);
+ global_metrics.add("input_dropped_frames_jitter", labels, &card->metric_input_dropped_frames_jitter);
+ global_metrics.add("input_dropped_frames_error", labels, &card->metric_input_dropped_frames_error);
+ global_metrics.add("input_dropped_frames_resets", labels, &card->metric_input_resets);
+
+ global_metrics.add("input_has_signal_bool", labels, &card->metric_input_has_signal_bool, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_is_connected_bool", labels, &card->metric_input_is_connected_bool, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_interlaced_bool", labels, &card->metric_input_interlaced_bool, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_width_pixels", labels, &card->metric_input_width_pixels, Metrics::TYPE_GAUGE);
+ global_metrics.add("input_height_pixels", labels, &card->metric_input_height_pixels, Metrics::TYPE_GAUGE);
+ 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);
+ card->labels = labels;
}
void Mixer::set_output_card_internal(int card_index)
// Stop the fake card that we put into place.
// This needs to _not_ happen under the mutex, to avoid deadlock
// (delivering the last frame needs to take the mutex).
- bmusb::CaptureInterface *fake_capture = old_card->capture.get();
+ CaptureInterface *fake_capture = old_card->capture.get();
lock.unlock();
fake_capture->stop_dequeue_thread();
lock.lock();
}
if (card_index != -1) {
CaptureCard *card = &cards[card_index];
- bmusb::CaptureInterface *capture = card->capture.get();
+ CaptureInterface *capture = card->capture.get();
// TODO: DeckLinkCapture::stop_dequeue_thread can actually take
// several seconds to complete (blocking on DisableVideoInput);
// see if we can maybe do it asynchronously.
capture->stop_dequeue_thread();
lock.lock();
card->parked_capture = move(card->capture);
- bmusb::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, /*is_fake_capture=*/true, card->output.release());
+ 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());
card->queue_length_policy.reset(card_index);
card->capture->start_bm_capture();
desired_output_video_mode = output_video_mode = card->output->pick_video_mode(desired_output_video_mode);
DeviceSpec device{InputSourceType::CAPTURE_CARD, card_index};
CaptureCard *card = &cards[card_index];
+ ++card->metric_input_received_frames;
+ card->metric_input_has_signal_bool = video_format.has_signal;
+ card->metric_input_is_connected_bool = video_format.is_connected;
+ card->metric_input_interlaced_bool = video_format.interlaced;
+ card->metric_input_width_pixels = video_format.width;
+ card->metric_input_height_pixels = video_format.height;
+ card->metric_input_frame_rate_nom = video_format.frame_rate_nom;
+ card->metric_input_frame_rate_den = video_format.frame_rate_den;
+ card->metric_input_sample_rate_hz = audio_format.sample_rate;
+
if (is_mode_scanning[card_index]) {
if (video_format.has_signal) {
// Found a stable signal, so stop scanning.
card_index, card->last_timecode, timecode);
audio_mixer.reset_resampler(device);
dropped_frames = 0;
+ ++card->metric_input_resets;
} else if (dropped_frames > 0) {
// Insert silence as needed.
fprintf(stderr, "Card %d dropped %d frame(s) (before timecode 0x%04x), inserting silence.\n",
card_index, dropped_frames, timecode);
+ card->metric_input_dropped_frames_error += dropped_frames;
bool success;
do {
card->last_timecode = timecode;
+ PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
+
+ size_t cbcr_width, cbcr_height, cbcr_offset, y_offset;
size_t expected_length = video_format.stride * (video_format.height + video_format.extra_lines_top + video_format.extra_lines_bottom);
+ 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;
+ } 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;
+ }
if (video_frame.len - video_offset == 0 ||
video_frame.len - video_offset != expected_length) {
if (video_frame.len != 0) {
return;
}
- PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
-
unsigned num_fields = video_format.interlaced ? 2 : 1;
steady_clock::time_point frame_upload_start;
bool interlaced_stride = false;
// 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;
RefCountedFrame frame(video_frame);
// Upload the textures.
- const size_t cbcr_width = video_format.width / 2;
- const size_t cbcr_offset = video_offset / 2;
- const size_t y_offset = video_frame.size / 2 + video_offset / 2;
-
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
// 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, interlaced_stride, userdata]() {
+ 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;
field_start_line = video_format.extra_lines_top;
}
- // For 8-bit input, v210_width will be nonsensical but not used.
+ // 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, v210_width);
+ 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();
- if (userdata->pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ 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);
- } else {
+ 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, video_format.height, cbcr_width * sizeof(uint16_t), interlaced_stride, GL_RG, GL_UNSIGNED_BYTE, field_cbcr_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);
// Start the actual capture. (We don't want to do it before we're actually ready
// to process output frames.)
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
if (int(card_index) != output_card_index) {
cards[card_index].capture->start_bm_capture();
}
handle_hotplugged_cards();
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
if (card_index == master_card_index || !has_new_frame[card_index]) {
continue;
}
continue;
}
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
if (!has_new_frame[card_index] || new_frames[card_index].frame->len == 0)
continue;
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,
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;
}
++dropped_frames;
}
+ card->metric_input_dropped_frames_jitter += dropped_frames;
+
#if 0
if (dropped_frames > 0) {
fprintf(stderr, "Card %u dropped %u frame(s) to keep latency down.\n",
// and then restart.
assert(cards[master_card_index].capture->get_disconnected());
handle_hotplugged_cards();
+ lock.unlock();
goto start;
}
cards[master_card_index].new_frames.front().received_timestamp;
}
- for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+ for (unsigned card_index = 0; card_index < num_cards + num_video_inputs; ++card_index) {
CaptureCard *card = &cards[card_index];
if (input_card_is_master_clock(card_index, master_card_index)) {
// We don't use the queue length policy for the master card,
if (card->capture->get_disconnected()) {
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, /*is_fake_capture=*/true, /*output=*/nullptr);
+ configure_card(card_index, capture, CardType::FAKE_CAPTURE, /*output=*/nullptr);
card->queue_length_policy.reset(card_index);
card->capture->start_bm_capture();
}
fprintf(stderr, "New card plugged in, choosing slot %d.\n", free_card_index);
CaptureCard *card = &cards[free_card_index];
BMUSBCapture *capture = new BMUSBCapture(free_card_index, new_dev);
- configure_card(free_card_index, capture, /*is_fake_capture=*/false, /*output=*/nullptr);
+ configure_card(free_card_index, capture, CardType::LIVE_CARD, /*output=*/nullptr);
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();
printf("Timecode: '%s'\n", timecode_text.c_str());
}
+ // Update Y'CbCr settings for all cards.
+ {
+ unique_lock<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;
+ input_state.ycbcr_coefficients[card_index] = interpretation->ycbcr_coefficients;
+ input_state.full_range[card_index] = interpretation->full_range;
+ }
+ }
+
// Get the main chain from the theme, and set its state immediately.
Theme::Chain theme_main_chain = theme->get_chain(0, pts(), global_flags.width, global_flags.height, input_state);
EffectChain *chain = theme_main_chain.chain;
theme_main_chain.setup_chain();
//theme_main_chain.chain->enable_phase_timing(true);
+ // The theme can't (or at least shouldn't!) call connect_signal() on
+ // each FFmpeg input, so we'll do it here.
+ for (const pair<LiveInputWrapper *, FFmpegCapture *> &conn : theme->get_signal_connections()) {
+ conn.first->connect_signal_raw(conn.second->get_card_index());
+ }
+
// If HDMI/SDI output is active and the user has requested auto mode,
// its mode overrides the existing Y'CbCr setting for the chain.
YCbCrLumaCoefficients ycbcr_output_coefficients;
theme->channel_clicked(preview_num);
}
+YCbCrInterpretation Mixer::get_input_ycbcr_interpretation(unsigned card_index) const
+{
+ unique_lock<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);
+ ycbcr_interpretation[card_index] = interpretation;
+}
+
void Mixer::start_mode_scanning(unsigned card_index)
{
assert(card_index < num_cards);
last_mode_scan_change[card_index] = steady_clock::now();
}
-map<uint32_t, bmusb::VideoMode> Mixer::get_available_output_video_modes() const
+map<uint32_t, VideoMode> Mixer::get_available_output_video_modes() const
{
assert(desired_output_card_index != -1);
unique_lock<mutex> lock(card_mutex);
}
ready_frame = frame;
has_ready_frame = true;
- }
- if (new_frame_ready_callback) {
- new_frame_ready_callback();
+ // Call the callbacks under the mutex (they should be short),
+ // so that we don't race against a callback removal.
+ for (const auto &key_and_callback : new_frame_ready_callbacks) {
+ key_and_callback.second();
+ }
}
// Reduce the number of callbacks by filtering duplicates. The reason
return true;
}
-void Mixer::OutputChannel::set_frame_ready_callback(Mixer::new_frame_ready_callback_t callback)
+void Mixer::OutputChannel::add_frame_ready_callback(void *key, Mixer::new_frame_ready_callback_t callback)
{
- new_frame_ready_callback = callback;
+ unique_lock<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);
+ new_frame_ready_callbacks.erase(key);
}
void Mixer::OutputChannel::set_transition_names_updated_callback(Mixer::transition_names_updated_callback_t callback)