X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.cpp;h=6846d83ffdbaef73420d638cc1b282ce11cb02a3;hb=96cb6414f85e0ef4d660b7bd56267303e80fcd05;hp=a5ceeaf052b66edb95966446c3d5741ce925fb14;hpb=471db5155f58c3bf7a98c446575cfa0c483da765;p=nageru diff --git a/mixer.cpp b/mixer.cpp index a5ceeaf..6846d83 100644 --- a/mixer.cpp +++ b/mixer.cpp @@ -39,8 +39,10 @@ #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" @@ -78,35 +80,42 @@ void insert_new_frame(RefCountedFrame frame, unsigned field_num, bool interlaced } } -void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned field, unsigned width, unsigned height) +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 (global_flags.ten_bit_input) { + 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 (global_flags.ten_bit_input) { - const size_t v210_width = v210Converter::get_minimum_v210_texture_width(width); - - 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(); + 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); @@ -115,9 +124,47 @@ void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned f 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])) { + // 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; } } @@ -151,6 +198,13 @@ void upload_texture(GLuint tex, GLuint width, GLuint height, GLuint stride, bool } // namespace +void QueueLengthPolicy::register_metrics(const vector> &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. @@ -161,19 +215,18 @@ void QueueLengthPolicy::update_policy(unsigned queue_length) } 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; return; } - if (queue_length >= 1) { - if (queue_length >= safe_queue_length) { - been_at_safe_point_since_last_starvation = true; - } - if (++frames_with_at_least_one >= 1000 && safe_queue_length > 1) { - --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; - } - } else { + if (queue_length >= safe_queue_length) { + been_at_safe_point_since_last_starvation = true; + } + 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; } } @@ -184,17 +237,22 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) mixer_surface(create_surface(format)), h264_encoder_surface(create_surface(format)), decklink_output_surface(create_surface(format)), + ycbcr_interpretation(global_flags.ycbcr_interpretation), audio_mixer(num_cards) { 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; resource_pool.reset(new ResourcePool); - theme.reset(new Theme(global_flags.theme_filename, global_flags.theme_dirs, resource_pool.get(), num_cards)); for (unsigned i = 0; i < NUM_OUTPUTS; ++i) { output_channel[i].parent = this; output_channel[i].channel = i; @@ -204,10 +262,27 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) inout_format.color_space = COLORSPACE_sRGB; inout_format.gamma_curve = GAMMA_sRGB; - // Display chain; shows the live output produced by the main chain (its RGBA version). + // Matches the 4:2:0 format created by the main chain. + YCbCrFormat ycbcr_format; + ycbcr_format.chroma_subsampling_x = 2; + ycbcr_format.chroma_subsampling_y = 2; + if (global_flags.ycbcr_rec709_coefficients) { + ycbcr_format.luma_coefficients = YCBCR_REC_709; + } else { + ycbcr_format.luma_coefficients = YCBCR_REC_601; + } + ycbcr_format.full_range = false; + ycbcr_format.num_levels = 1 << global_flags.x264_bit_depth; + ycbcr_format.cb_x_position = 0.0f; + ycbcr_format.cr_x_position = 0.0f; + ycbcr_format.cb_y_position = 0.5f; + ycbcr_format.cr_y_position = 0.5f; + + // 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(); - display_input = new FlatInput(inout_format, FORMAT_RGB, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height); // FIXME: GL_UNSIGNED_BYTE is really wrong. + GLenum type = global_flags.x264_bit_depth > 8 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE; + display_input = new YCbCrInput(inout_format, ycbcr_format, global_flags.width, global_flags.height, YCBCR_INPUT_SPLIT_Y_AND_CBCR, type); display_chain->add_input(display_input); display_chain->add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED); display_chain->set_dither_bits(0); // Don't bother. @@ -215,6 +290,9 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) video_encoder.reset(new VideoEncoder(resource_pool.get(), h264_encoder_surface, global_flags.va_display, global_flags.width, global_flags.height, &httpd, global_disk_space_estimator)); + // Must be instantiated after VideoEncoder has initialized global_flags.use_zerocopy. + 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); @@ -235,7 +313,7 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_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); - 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(); @@ -249,24 +327,37 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) 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 - 1. + std::vector 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); } @@ -289,6 +380,13 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) v210_converter->precompile_shader(3840); v210_converter->precompile_shader(4096); } + if (global_flags.ten_bit_output) { + 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); + } + } timecode_renderer.reset(new TimecodeRenderer(resource_pool.get(), global_flags.width, global_flags.height)); display_timecode_in_stream = global_flags.display_timecode_in_stream; @@ -301,13 +399,21 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards) 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("metrics_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 lock(card_mutex); cards[card_index].should_quit = true; // Unblock thread. @@ -323,7 +429,7 @@ Mixer::~Mixer() 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); @@ -332,13 +438,24 @@ void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, bool 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); } + + 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) { - card->frame_allocator.reset(new PBOFrameAllocator(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)); // 8 MB. } card->capture->set_video_frame_allocator(card->frame_allocator.get()); if (card->surface == nullptr) { @@ -346,7 +463,7 @@ void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, bool } while (!card->new_frames.empty()) card->new_frames.pop_front(); card->last_timecode = -1; - card->capture->set_pixel_format(global_flags.ten_bit_input ? PixelFormat_10BitYCbCr : PixelFormat_8BitYCbCr); + card->capture->set_pixel_format(pixel_format); card->capture->configure_card(); // NOTE: start_bm_capture() happens in thread_func(). @@ -355,6 +472,39 @@ void Mixer::configure_card(unsigned card_index, CaptureInterface *capture, bool audio_mixer.reset_resampler(device); audio_mixer.set_display_name(device, card->capture->get_description()); audio_mixer.trigger_state_changed_callback(); + + // Register metrics. + vector> 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_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); } void Mixer::set_output_card_internal(int card_index) @@ -371,7 +521,7 @@ 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(); @@ -381,7 +531,7 @@ void Mixer::set_output_card_internal(int card_index) } 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. @@ -389,8 +539,8 @@ void Mixer::set_output_card_internal(int card_index) 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); @@ -420,6 +570,15 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, DeviceSpec device{InputSourceType::CAPTURE_CARD, card_index}; CaptureCard *card = &cards[card_index]; + 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. @@ -469,10 +628,12 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, 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 { @@ -489,7 +650,28 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, 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(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) { @@ -516,8 +698,6 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, 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; @@ -526,6 +706,7 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, // 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; @@ -542,10 +723,6 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, 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 @@ -555,7 +732,7 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, // Note that this means we must hold on to the actual frame data in // until the upload command is run, but we hold on to 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; @@ -563,22 +740,55 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode, field_start_line = video_format.extra_lines_top; } - ensure_texture_resolution(userdata, field, video_format.width, video_format.height); + // 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(); - if (global_flags.ten_bit_input) { + 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], video_format.stride / sizeof(uint32_t), video_format.height, video_format.stride, interlaced_stride, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, field_start); + 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); @@ -637,7 +847,7 @@ void Mixer::thread_func() // 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(); } @@ -680,7 +890,7 @@ void Mixer::thread_func() 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; } @@ -701,7 +911,7 @@ void Mixer::thread_func() 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; @@ -724,6 +934,10 @@ void Mixer::thread_func() now = steady_clock::now(); double elapsed = duration(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, @@ -754,12 +968,16 @@ void Mixer::thread_func() 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; } @@ -827,10 +1045,15 @@ void Mixer::trim_queue(CaptureCard *card, unsigned card_index) ++dropped_frames; } + metric_input_queue_length_frames = queue_length; + 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", card_index, dropped_frames); } +#endif } @@ -866,7 +1089,7 @@ 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, @@ -908,7 +1131,7 @@ void Mixer::handle_hotplugged_cards() 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(); } @@ -938,7 +1161,7 @@ void Mixer::handle_hotplugged_cards() 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(); @@ -989,20 +1212,88 @@ void Mixer::render_one_frame(int64_t duration) printf("Timecode: '%s'\n", timecode_text.c_str()); } + // Update Y'CbCr settings for all cards. + { + unique_lock 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); - GLuint y_tex, cbcr_tex; - bool got_frame = video_encoder->begin_frame(&y_tex, &cbcr_tex); + // 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 &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; + if (global_flags.ycbcr_auto_coefficients && output_card_index != -1) { + ycbcr_output_coefficients = cards[output_card_index].output->preferred_ycbcr_coefficients(); + } else { + ycbcr_output_coefficients = global_flags.ycbcr_rec709_coefficients ? YCBCR_REC_709 : YCBCR_REC_601; + } + + // TODO: Reduce the duplication against theme.cpp. + YCbCrFormat output_ycbcr_format; + output_ycbcr_format.chroma_subsampling_x = 1; + output_ycbcr_format.chroma_subsampling_y = 1; + output_ycbcr_format.luma_coefficients = ycbcr_output_coefficients; + output_ycbcr_format.full_range = false; + output_ycbcr_format.num_levels = 1 << global_flags.x264_bit_depth; + chain->change_ycbcr_output_format(output_ycbcr_format); + + // Render main chain. If we're using zerocopy Quick Sync encoding + // (the default case), we take an extra copy of the created outputs, + // so that we can display it back to the screen later (it's less memory + // bandwidth than writing and reading back an RGBA texture, even at 16-bit). + // Ideally, we'd like to avoid taking copies and just use the main textures + // for display as well, but they're just views into VA-API memory and must be + // unmapped during encoding, so we can't use them for display, unfortunately. + GLuint y_tex, cbcr_full_tex, cbcr_tex; + GLuint y_copy_tex, cbcr_copy_tex = 0; + GLuint y_display_tex, cbcr_display_tex; + GLenum y_type = (global_flags.x264_bit_depth > 8) ? GL_R16 : GL_R8; + GLenum cbcr_type = (global_flags.x264_bit_depth > 8) ? GL_RG16 : GL_RG8; + const bool is_zerocopy = video_encoder->is_zerocopy(); + if (is_zerocopy) { + cbcr_full_tex = resource_pool->create_2d_texture(cbcr_type, global_flags.width, global_flags.height); + y_copy_tex = resource_pool->create_2d_texture(y_type, global_flags.width, global_flags.height); + cbcr_copy_tex = resource_pool->create_2d_texture(cbcr_type, global_flags.width / 2, global_flags.height / 2); + + y_display_tex = y_copy_tex; + cbcr_display_tex = cbcr_copy_tex; + + // y_tex and cbcr_tex will be given by VideoEncoder. + } else { + cbcr_full_tex = resource_pool->create_2d_texture(cbcr_type, global_flags.width, global_flags.height); + y_tex = resource_pool->create_2d_texture(y_type, global_flags.width, global_flags.height); + cbcr_tex = resource_pool->create_2d_texture(cbcr_type, global_flags.width / 2, global_flags.height / 2); + + y_display_tex = y_tex; + cbcr_display_tex = cbcr_tex; + } + + const int64_t av_delay = lrint(global_flags.audio_queue_length_ms * 0.001 * TIMEBASE); // Corresponds to the delay in ResamplingQueue. + bool got_frame = video_encoder->begin_frame(pts_int + av_delay, duration, ycbcr_output_coefficients, theme_main_chain.input_frames, &y_tex, &cbcr_tex); assert(got_frame); - // Render main chain. - GLuint cbcr_full_tex = resource_pool->create_2d_texture(GL_RG8, global_flags.width, global_flags.height); - GLuint rgba_tex = resource_pool->create_2d_texture(GL_RGB565, global_flags.width, global_flags.height); // Saves texture bandwidth, although dithering gets messed up. - GLuint fbo = resource_pool->create_fbo(y_tex, cbcr_full_tex, rgba_tex); + GLuint fbo; + if (is_zerocopy) { + fbo = resource_pool->create_fbo(y_tex, cbcr_full_tex, y_copy_tex); + } else { + fbo = resource_pool->create_fbo(y_tex, cbcr_full_tex); + } check_error(); chain->render_to_fbo(fbo, global_flags.width, global_flags.height); @@ -1013,32 +1304,41 @@ void Mixer::render_one_frame(int64_t duration) resource_pool->release_fbo(fbo); - chroma_subsampler->subsample_chroma(cbcr_full_tex, global_flags.width, global_flags.height, cbcr_tex); + if (is_zerocopy) { + chroma_subsampler->subsample_chroma(cbcr_full_tex, global_flags.width, global_flags.height, cbcr_tex, cbcr_copy_tex); + } else { + chroma_subsampler->subsample_chroma(cbcr_full_tex, global_flags.width, global_flags.height, cbcr_tex); + } if (output_card_index != -1) { - cards[output_card_index].output->send_frame(y_tex, cbcr_full_tex, theme_main_chain.input_frames, pts_int, duration); + cards[output_card_index].output->send_frame(y_tex, cbcr_full_tex, ycbcr_output_coefficients, theme_main_chain.input_frames, pts_int, duration); } resource_pool->release_2d_texture(cbcr_full_tex); - // Set the right state for rgba_tex. + // Set the right state for the Y' and CbCr textures we use for display. glBindFramebuffer(GL_FRAMEBUFFER, 0); - glBindTexture(GL_TEXTURE_2D, rgba_tex); + glBindTexture(GL_TEXTURE_2D, y_display_tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - const int64_t av_delay = lrint(global_flags.audio_queue_length_ms * 0.001 * TIMEBASE); // Corresponds to the delay in ResamplingQueue. - RefCountedGLsync fence = video_encoder->end_frame(pts_int + av_delay, duration, theme_main_chain.input_frames); + glBindTexture(GL_TEXTURE_2D, cbcr_display_tex); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - // The live frame just shows the RGBA texture we just rendered. - // It owns rgba_tex now. + RefCountedGLsync fence = video_encoder->end_frame(); + + // The live frame pieces the Y'CbCr texture copies back into RGB and displays them. + // It owns y_display_tex and cbcr_display_tex now (whichever textures they are). DisplayFrame live_frame; live_frame.chain = display_chain.get(); - live_frame.setup_chain = [this, rgba_tex]{ - display_input->set_texture_num(rgba_tex); + live_frame.setup_chain = [this, y_display_tex, cbcr_display_tex]{ + display_input->set_texture_num(0, y_display_tex); + display_input->set_texture_num(1, cbcr_display_tex); }; live_frame.ready_fence = fence; live_frame.input_frames = {}; - live_frame.temp_textures = { rgba_tex }; + live_frame.temp_textures = { y_display_tex, cbcr_display_tex }; output_channel[OUTPUT_LIVE].output_frame(live_frame); // Set up preview and any additional channels. @@ -1124,6 +1424,18 @@ void Mixer::channel_clicked(int preview_num) theme->channel_clicked(preview_num); } +YCbCrInterpretation Mixer::get_input_ycbcr_interpretation(unsigned card_index) const +{ + unique_lock lock(card_mutex); + return ycbcr_interpretation[card_index]; +} + +void Mixer::set_input_ycbcr_interpretation(unsigned card_index, const YCbCrInterpretation &interpretation) +{ + unique_lock lock(card_mutex); + ycbcr_interpretation[card_index] = interpretation; +} + void Mixer::start_mode_scanning(unsigned card_index) { assert(card_index < num_cards); @@ -1141,7 +1453,7 @@ void Mixer::start_mode_scanning(unsigned card_index) last_mode_scan_change[card_index] = steady_clock::now(); } -map Mixer::get_available_output_video_modes() const +map Mixer::get_available_output_video_modes() const { assert(desired_output_card_index != -1); unique_lock lock(card_mutex); @@ -1169,10 +1481,12 @@ void Mixer::OutputChannel::output_frame(DisplayFrame frame) } 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 @@ -1239,9 +1553,16 @@ bool Mixer::OutputChannel::get_display_frame(DisplayFrame *frame) 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) +{ + unique_lock lock(frame_mutex); + new_frame_ready_callbacks[key] = callback; +} + +void Mixer::OutputChannel::remove_frame_ready_callback(void *key) { - new_frame_ready_callback = callback; + unique_lock lock(frame_mutex); + new_frame_ready_callbacks.erase(key); } void Mixer::OutputChannel::set_transition_names_updated_callback(Mixer::transition_names_updated_callback_t callback)