#include "jpeg_frame_view.h"
#include "defs.h"
+#include "flags.h"
#include "jpeg_destroyer.h"
+#include "jpeglib_error_wrapper.h"
+#include "pbo_pool.h"
+#include "shared/context.h"
+#include "shared/metrics.h"
#include "shared/post_to_main_thread.h"
#include "video_stream.h"
#include "ycbcr_converter.h"
#include <QMouseEvent>
#include <QScreen>
#include <atomic>
+#include <chrono>
#include <condition_variable>
#include <deque>
#include <jpeglib.h>
using namespace movit;
using namespace std;
+using namespace std::chrono;
namespace {
// Just an arbitrary order for std::map.
-struct FrameOnDiskLexicalOrder
-{
- bool operator() (const FrameOnDisk &a, const FrameOnDisk &b) const
+struct FrameOnDiskLexicalOrder {
+ bool operator()(const FrameOnDisk &a, const FrameOnDisk &b) const
{
if (a.pts != b.pts)
return a.pts < b.pts;
size_t last_used;
};
-struct PendingDecode {
- JPEGFrameView *destination;
-
- // For actual decodes (only if frame below is nullptr).
- FrameOnDisk primary, secondary;
- float fade_alpha; // Irrelevant if secondary.stream_idx == -1.
-
- // Already-decoded frames are also sent through PendingDecode,
- // so that they get drawn in the right order. If frame is nullptr,
- // it's a real decode.
- shared_ptr<Frame> frame;
-};
+// There can be multiple JPEGFrameView instances, so make all the metrics static.
+once_flag jpeg_metrics_inited;
+atomic<int64_t> metric_jpeg_cache_used_bytes{ 0 }; // Same value as cache_bytes_used.
+atomic<int64_t> metric_jpeg_cache_limit_bytes{ size_t(CACHE_SIZE_MB) * 1024 * 1024 };
+atomic<int64_t> metric_jpeg_cache_given_up_frames{ 0 };
+atomic<int64_t> metric_jpeg_cache_hit_frames{ 0 };
+atomic<int64_t> metric_jpeg_cache_miss_frames{ 0 };
+atomic<int64_t> metric_jpeg_software_decode_frames{ 0 };
+atomic<int64_t> metric_jpeg_software_fail_frames{ 0 };
+atomic<int64_t> metric_jpeg_vaapi_decode_frames{ 0 };
+atomic<int64_t> metric_jpeg_vaapi_fail_frames{ 0 };
+atomic<int64_t> metric_jpeg_prepared_frames{ 0 };
+atomic<int64_t> metric_jpeg_displayed_frames{ 0 };
+Summary metric_jpeg_decode_time_seconds;
} // namespace
-thread JPEGFrameView::jpeg_decoder_thread;
mutex cache_mu;
map<FrameOnDisk, LRUFrame, FrameOnDiskLexicalOrder> cache; // Under cache_mu.
size_t cache_bytes_used = 0; // Under cache_mu.
-condition_variable any_pending_decodes;
-deque<PendingDecode> pending_decodes; // Under cache_mu.
-atomic<size_t> event_counter{0};
+atomic<size_t> event_counter{ 0 };
extern QGLWidget *global_share_widget;
extern atomic<bool> should_quit;
-shared_ptr<Frame> decode_jpeg(const string &filename)
+shared_ptr<Frame> decode_jpeg(const string &jpeg)
{
+ steady_clock::time_point start = steady_clock::now();
shared_ptr<Frame> frame;
if (vaapi_jpeg_decoding_usable) {
- frame = decode_jpeg_vaapi(filename);
+ frame = decode_jpeg_vaapi(jpeg);
if (frame != nullptr) {
+ ++metric_jpeg_vaapi_decode_frames;
+ steady_clock::time_point stop = steady_clock::now();
+ metric_jpeg_decode_time_seconds.count_event(duration<double>(stop - start).count());
return frame;
}
fprintf(stderr, "VA-API hardware decoding failed; falling back to software.\n");
+ ++metric_jpeg_vaapi_fail_frames;
}
frame.reset(new Frame);
jpeg_decompress_struct dinfo;
- jpeg_error_mgr jerr;
- dinfo.err = jpeg_std_error(&jerr);
- jpeg_create_decompress(&dinfo);
+ JPEGWrapErrorManager error_mgr(&dinfo);
+ if (!error_mgr.run([&dinfo] { jpeg_create_decompress(&dinfo); })) {
+ return get_black_frame();
+ }
JPEGDestroyer destroy_dinfo(&dinfo);
- FILE *fp = fopen(filename.c_str(), "rb");
- if (fp == nullptr) {
- perror(filename.c_str());
- exit(1);
- }
- jpeg_stdio_src(&dinfo, fp);
+ jpeg_save_markers(&dinfo, JPEG_APP0 + 1, 0xFFFF);
- jpeg_read_header(&dinfo, true);
+ if (!error_mgr.run([&dinfo, &jpeg] {
+ jpeg_mem_src(&dinfo, reinterpret_cast<const unsigned char *>(jpeg.data()), jpeg.size());
+ jpeg_read_header(&dinfo, true);
+ })) {
+ return get_black_frame();
+ }
if (dinfo.num_components != 3) {
fprintf(stderr, "Not a color JPEG. (%d components, Y=%dx%d, Cb=%dx%d, Cr=%dx%d)\n",
- dinfo.num_components,
- dinfo.comp_info[0].h_samp_factor, dinfo.comp_info[0].v_samp_factor,
- dinfo.comp_info[1].h_samp_factor, dinfo.comp_info[1].v_samp_factor,
- dinfo.comp_info[2].h_samp_factor, dinfo.comp_info[2].v_samp_factor);
- exit(1);
+ dinfo.num_components,
+ dinfo.comp_info[0].h_samp_factor, dinfo.comp_info[0].v_samp_factor,
+ dinfo.comp_info[1].h_samp_factor, dinfo.comp_info[1].v_samp_factor,
+ dinfo.comp_info[2].h_samp_factor, dinfo.comp_info[2].v_samp_factor);
+ return get_black_frame();
}
if (dinfo.comp_info[0].h_samp_factor != dinfo.max_h_samp_factor ||
dinfo.comp_info[0].v_samp_factor != dinfo.max_v_samp_factor || // Y' must not be subsampled.
(dinfo.max_h_samp_factor % dinfo.comp_info[1].h_samp_factor) != 0 ||
(dinfo.max_v_samp_factor % dinfo.comp_info[1].v_samp_factor) != 0) { // No 2:3 subsampling or other weirdness.
fprintf(stderr, "Unsupported subsampling scheme. (Y=%dx%d, Cb=%dx%d, Cr=%dx%d)\n",
- dinfo.comp_info[0].h_samp_factor, dinfo.comp_info[0].v_samp_factor,
- dinfo.comp_info[1].h_samp_factor, dinfo.comp_info[1].v_samp_factor,
- dinfo.comp_info[2].h_samp_factor, dinfo.comp_info[2].v_samp_factor);
- exit(1);
+ dinfo.comp_info[0].h_samp_factor, dinfo.comp_info[0].v_samp_factor,
+ dinfo.comp_info[1].h_samp_factor, dinfo.comp_info[1].v_samp_factor,
+ dinfo.comp_info[2].h_samp_factor, dinfo.comp_info[2].v_samp_factor);
+ abort();
}
dinfo.raw_data_out = true;
- jpeg_start_decompress(&dinfo);
+ if (!error_mgr.run([&dinfo] {
+ jpeg_start_decompress(&dinfo);
+ })) {
+ return get_black_frame();
+ }
frame->width = dinfo.output_width;
frame->height = dinfo.output_height;
unsigned luma_width_blocks = mcu_width_blocks * dinfo.comp_info[0].h_samp_factor;
unsigned chroma_width_blocks = mcu_width_blocks * dinfo.comp_info[1].h_samp_factor;
- unsigned luma_height_blocks = mcu_height_blocks * dinfo.comp_info[0].v_samp_factor;
- unsigned chroma_height_blocks = mcu_height_blocks * dinfo.comp_info[1].v_samp_factor;
-
- // TODO: Decode into a PBO.
- frame->y.reset(new uint8_t[luma_width_blocks * luma_height_blocks * DCTSIZE2]);
- frame->cb.reset(new uint8_t[chroma_width_blocks * chroma_height_blocks * DCTSIZE2]);
- frame->cr.reset(new uint8_t[chroma_width_blocks * chroma_height_blocks * DCTSIZE2]);
- frame->pitch_y = luma_width_blocks * DCTSIZE;
- frame->pitch_chroma = chroma_width_blocks * DCTSIZE;
-
- JSAMPROW yptr[v_mcu_size], cbptr[v_mcu_size], crptr[v_mcu_size];
- JSAMPARRAY data[3] = { yptr, cbptr, crptr };
- for (unsigned y = 0; y < mcu_height_blocks; ++y) {
- // NOTE: The last elements of cbptr/crptr will be unused for vertically subsampled chroma.
- for (unsigned yy = 0; yy < v_mcu_size; ++yy) {
- yptr[yy] = frame->y.get() + (y * DCTSIZE * dinfo.max_v_samp_factor + yy) * frame->pitch_y;
- cbptr[yy] = frame->cb.get() + (y * DCTSIZE * dinfo.comp_info[1].v_samp_factor + yy) * frame->pitch_chroma;
- crptr[yy] = frame->cr.get() + (y * DCTSIZE * dinfo.comp_info[1].v_samp_factor + yy) * frame->pitch_chroma;
- }
- jpeg_read_raw_data(&dinfo, data, v_mcu_size);
+ PBO pbo = global_pbo_pool->alloc_pbo();
+ const size_t chroma_width = dinfo.image_width / frame->chroma_subsampling_x;
+ const size_t chroma_height = dinfo.image_height / frame->chroma_subsampling_y;
+ size_t cb_offset = dinfo.image_width * dinfo.image_height;
+ size_t cr_offset = cb_offset + chroma_width * chroma_height;
+ uint8_t *y_pix = pbo.ptr;
+ uint8_t *cb_pix = pbo.ptr + cb_offset;
+ uint8_t *cr_pix = pbo.ptr + cr_offset;
+ unsigned pitch_y = luma_width_blocks * DCTSIZE;
+ unsigned pitch_chroma = chroma_width_blocks * DCTSIZE;
+
+ if (dinfo.marker_list != nullptr &&
+ dinfo.marker_list->marker == JPEG_APP0 + 1 &&
+ dinfo.marker_list->data_length >= 4 &&
+ memcmp(dinfo.marker_list->data, "Exif", 4) == 0) {
+ frame->exif_data.assign(reinterpret_cast<char *>(dinfo.marker_list->data),
+ dinfo.marker_list->data_length);
}
- (void)jpeg_finish_decompress(&dinfo);
- fclose(fp);
+ if (!error_mgr.run([&dinfo, &y_pix, &cb_pix, &cr_pix, pitch_y, pitch_chroma, v_mcu_size, mcu_height_blocks] {
+ JSAMPROW yptr[v_mcu_size], cbptr[v_mcu_size], crptr[v_mcu_size];
+ JSAMPARRAY data[3] = { yptr, cbptr, crptr };
+ for (unsigned y = 0; y < mcu_height_blocks; ++y) {
+ // NOTE: The last elements of cbptr/crptr will be unused for vertically subsampled chroma.
+ for (unsigned yy = 0; yy < v_mcu_size; ++yy) {
+ yptr[yy] = y_pix + (y * DCTSIZE * dinfo.max_v_samp_factor + yy) * pitch_y;
+ cbptr[yy] = cb_pix + (y * DCTSIZE * dinfo.comp_info[1].v_samp_factor + yy) * pitch_chroma;
+ crptr[yy] = cr_pix + (y * DCTSIZE * dinfo.comp_info[1].v_samp_factor + yy) * pitch_chroma;
+ }
+
+ jpeg_read_raw_data(&dinfo, data, v_mcu_size);
+ }
+
+ (void)jpeg_finish_decompress(&dinfo);
+ })) {
+ return get_black_frame();
+ }
+ // FIXME: what about resolutions that are not divisible by the block factor?
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo.pbo);
+ frame->y = create_texture_2d(frame->width, frame->height, GL_R8, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0));
+ frame->cb = create_texture_2d(chroma_width, chroma_height, GL_R8, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(cb_offset));
+ frame->cr = create_texture_2d(chroma_width, chroma_height, GL_R8, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(cr_offset));
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+
+ glFlushMappedNamedBufferRange(pbo.pbo, 0, dinfo.image_width * dinfo.image_height + chroma_width * chroma_height * 2);
+ glMemoryBarrier(GL_PIXEL_BUFFER_BARRIER_BIT);
+ pbo.upload_done = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
+ glFlush();
+ frame->uploaded_ui_thread = pbo.upload_done;
+ frame->uploaded_interpolation = pbo.upload_done;
+ global_pbo_pool->release_pbo(move(pbo));
+
+ ++metric_jpeg_software_decode_frames;
+ steady_clock::time_point stop = steady_clock::now();
+ metric_jpeg_decode_time_seconds.count_event(duration<double>(stop - start).count());
return frame;
}
{
// Assumes cache_mu is held.
int64_t bytes_still_to_remove = cache_bytes_used - (size_t(CACHE_SIZE_MB) * 1024 * 1024) * 9 / 10;
- if (bytes_still_to_remove <= 0) return;
+ if (bytes_still_to_remove <= 0)
+ return;
vector<pair<size_t, size_t>> lru_timestamps_and_size;
for (const auto &key_and_value : cache) {
for (const pair<size_t, size_t> &it : lru_timestamps_and_size) {
lru_cutoff_point = it.first;
bytes_still_to_remove -= it.second;
- if (bytes_still_to_remove <= 0) break;
+ if (bytes_still_to_remove <= 0)
+ break;
}
- for (auto it = cache.begin(); it != cache.end(); ) {
+ for (auto it = cache.begin(); it != cache.end();) {
if (it->second.last_used <= lru_cutoff_point) {
cache_bytes_used -= frame_size(*it->second.frame);
+ metric_jpeg_cache_used_bytes = cache_bytes_used;
it = cache.erase(it);
} else {
++it;
{
*did_decode = false;
{
- unique_lock<mutex> lock(cache_mu);
+ lock_guard<mutex> lock(cache_mu);
auto it = cache.find(frame_spec);
if (it != cache.end()) {
+ ++metric_jpeg_cache_hit_frames;
it->second.last_used = event_counter++;
return it->second.frame;
}
}
if (cache_miss_behavior == RETURN_NULLPTR_IF_NOT_IN_CACHE) {
+ ++metric_jpeg_cache_given_up_frames;
return nullptr;
}
+ ++metric_jpeg_cache_miss_frames;
+
*did_decode = true;
- shared_ptr<Frame> frame = decode_jpeg(frame_reader->read_frame(frame_spec));
+ shared_ptr<Frame> frame = decode_jpeg(frame_reader->read_frame(frame_spec, /*read_video=*/true, /*read_audio=*/false).video);
- unique_lock<mutex> lock(cache_mu);
+ lock_guard<mutex> lock(cache_mu);
cache_bytes_used += frame_size(*frame);
+ metric_jpeg_cache_used_bytes = cache_bytes_used;
cache[frame_spec] = LRUFrame{ frame, event_counter++ };
if (cache_bytes_used > size_t(CACHE_SIZE_MB) * 1024 * 1024) {
size_t num_decoded = 0, num_dropped = 0;
pthread_setname_np(pthread_self(), "JPEGDecoder");
+ QSurface *surface = create_surface();
+ QOpenGLContext *context = create_context(surface);
+ bool ok = make_current(context, surface);
+ if (!ok) {
+ fprintf(stderr, "Video stream couldn't get an OpenGL context\n");
+ abort();
+ }
while (!should_quit.load()) {
PendingDecode decode;
CacheMissBehavior cache_miss_behavior = DECODE_IF_NOT_IN_CACHE;
{
unique_lock<mutex> lock(cache_mu); // TODO: Perhaps under another lock?
- any_pending_decodes.wait(lock, [] {
+ any_pending_decodes.wait(lock, [this] {
return !pending_decodes.empty() || should_quit.load();
});
if (should_quit.load())
decode = pending_decodes.front();
pending_decodes.pop_front();
- size_t num_pending = 0;
- for (const PendingDecode &other_decode : pending_decodes) {
- if (other_decode.destination == decode.destination) {
- ++num_pending;
- }
- }
- if (num_pending > 3) {
+ if (pending_decodes.size() > 3) {
cache_miss_behavior = RETURN_NULLPTR_IF_NOT_IN_CACHE;
}
}
if (decode.frame != nullptr) {
// Already decoded, so just show it.
- decode.destination->setDecodedFrame(decode.frame, nullptr, 1.0f);
+ setDecodedFrame(decode.frame, nullptr, 1.0f);
continue;
}
}
bool found_in_cache;
- shared_ptr<Frame> frame = decode_jpeg_with_cache(frame_spec, cache_miss_behavior, &decode.destination->frame_reader, &found_in_cache);
+ shared_ptr<Frame> frame = decode_jpeg_with_cache(frame_spec, cache_miss_behavior, &frame_reader, &found_in_cache);
if (frame == nullptr) {
assert(cache_miss_behavior == RETURN_NULLPTR_IF_NOT_IN_CACHE);
++num_decoded;
if (num_decoded % 1000 == 0) {
fprintf(stderr, "Decoded %zu images, dropped %zu (%.2f%% dropped)\n",
- num_decoded, num_dropped, (100.0 * num_dropped) / (num_decoded + num_dropped));
+ num_decoded, num_dropped, (100.0 * num_dropped) / (num_decoded + num_dropped));
}
}
if (subframe_idx == 0) {
}
// TODO: Could we get jitter between non-interpolated and interpolated frames here?
- decode.destination->setDecodedFrame(primary_frame, secondary_frame, decode.fade_alpha);
+ setDecodedFrame(primary_frame, secondary_frame, decode.fade_alpha);
}
}
-void JPEGFrameView::shutdown()
+JPEGFrameView::~JPEGFrameView()
{
any_pending_decodes.notify_all();
jpeg_decoder_thread.join();
JPEGFrameView::JPEGFrameView(QWidget *parent)
: QGLWidget(parent, global_share_widget)
{
+ call_once(jpeg_metrics_inited, [] {
+ global_metrics.add("jpeg_cache_used_bytes", &metric_jpeg_cache_used_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("jpeg_cache_limit_bytes", &metric_jpeg_cache_limit_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("jpeg_cache_frames", { { "action", "given_up" } }, &metric_jpeg_cache_given_up_frames);
+ global_metrics.add("jpeg_cache_frames", { { "action", "hit" } }, &metric_jpeg_cache_hit_frames);
+ global_metrics.add("jpeg_cache_frames", { { "action", "miss" } }, &metric_jpeg_cache_miss_frames);
+ global_metrics.add("jpeg_decode_frames", { { "decoder", "software" }, { "result", "decode" } }, &metric_jpeg_software_decode_frames);
+ global_metrics.add("jpeg_decode_frames", { { "decoder", "software" }, { "result", "fail" } }, &metric_jpeg_software_fail_frames);
+ global_metrics.add("jpeg_decode_frames", { { "decoder", "vaapi" }, { "result", "decode" } }, &metric_jpeg_vaapi_decode_frames);
+ global_metrics.add("jpeg_decode_frames", { { "decoder", "vaapi" }, { "result", "fail" } }, &metric_jpeg_vaapi_fail_frames);
+ global_metrics.add("jpeg_frames", { { "action", "prepared" } }, &metric_jpeg_prepared_frames);
+ global_metrics.add("jpeg_frames", { { "action", "displayed" } }, &metric_jpeg_displayed_frames);
+ vector<double> quantiles{ 0.01, 0.1, 0.25, 0.5, 0.75, 0.9, 0.99 };
+ metric_jpeg_decode_time_seconds.init(quantiles, 60.0);
+ global_metrics.add("jpeg_decode_time_seconds", &metric_jpeg_decode_time_seconds);
+ });
}
void JPEGFrameView::setFrame(unsigned stream_idx, FrameOnDisk frame, FrameOnDisk secondary_frame, float fade_alpha)
{
current_stream_idx = stream_idx; // TODO: Does this interact with fades?
- unique_lock<mutex> lock(cache_mu);
+ lock_guard<mutex> lock(cache_mu);
PendingDecode decode;
decode.primary = frame;
decode.secondary = secondary_frame;
decode.fade_alpha = fade_alpha;
- decode.destination = this;
pending_decodes.push_back(decode);
any_pending_decodes.notify_all();
}
void JPEGFrameView::setFrame(shared_ptr<Frame> frame)
{
- unique_lock<mutex> lock(cache_mu);
+ lock_guard<mutex> lock(cache_mu);
PendingDecode decode;
decode.frame = std::move(frame);
- decode.destination = this;
+ decode.fade_alpha = 0.0f;
pending_decodes.push_back(decode);
any_pending_decodes.notify_all();
}
-ResourcePool *resource_pool = nullptr;
-
void JPEGFrameView::initializeGL()
{
+ init_pbo_pool();
+
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
check_error();
- static once_flag once;
- call_once(once, [] {
- resource_pool = new ResourcePool;
- jpeg_decoder_thread = std::thread(jpeg_decoder_thread_func);
- });
+ resource_pool = new ResourcePool;
+ jpeg_decoder_thread = std::thread(&JPEGFrameView::jpeg_decoder_thread_func, this);
ycbcr_converter.reset(new YCbCrConverter(YCbCrConverter::OUTPUT_TO_RGBA, resource_pool));
return;
}
+ if (!displayed_this_frame) {
+ ++metric_jpeg_displayed_frames;
+ displayed_this_frame = true;
+ }
+ if (current_frame->uploaded_ui_thread != nullptr) {
+ glWaitSync(current_frame->uploaded_ui_thread.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
+ current_frame->uploaded_ui_thread.reset();
+ }
+ if (current_secondary_frame != nullptr && current_secondary_frame->uploaded_ui_thread != nullptr) {
+ glWaitSync(current_secondary_frame->uploaded_ui_thread.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
+ current_secondary_frame->uploaded_ui_thread.reset();
+ }
+
check_error();
current_chain->render_to_screen();
overlay_input->set_width(overlay_width);
overlay_input->set_height(overlay_height);
overlay_input->set_pixel_data(overlay_image->bits());
+ overlay_input_needs_refresh = false;
}
glViewport(gl_width - overlay_width, 0, overlay_width, overlay_height);
overlay_chain->render_to_screen();
} else {
current_chain = ycbcr_converter->prepare_chain_for_conversion(frame);
}
+ ++metric_jpeg_prepared_frames;
+ displayed_this_frame = false;
update();
});
}
return;
}
+ // Figure out how large the texture needs to be.
+ {
+ QImage img(overlay_width, overlay_height, QImage::Format_Grayscale8);
+ QPainter painter(&img);
+ QFont font = painter.font();
+ font.setPointSize(12);
+ QFontMetrics metrics(font);
+ overlay_base_width = lrint(metrics.boundingRect(QString::fromStdString(text)).width() + 8.0);
+ overlay_base_height = lrint(metrics.height());
+ }
+
float dpr = QGuiApplication::primaryScreen()->devicePixelRatio();
overlay_width = lrint(overlay_base_width * dpr);
overlay_height = lrint(overlay_base_height * dpr);
+ // Work around OpenGL alignment issues.
+ while (overlay_width % 4 != 0) ++overlay_width;
+
+ // Now do the actual drawing.
overlay_image.reset(new QImage(overlay_width, overlay_height, QImage::Format_Grayscale8));
overlay_image->setDevicePixelRatio(dpr);
overlay_image->fill(0);
// Don't refresh immediately; we might not have an OpenGL context here.
overlay_input_needs_refresh = true;
}
+
+shared_ptr<Frame> get_black_frame()
+{
+ static shared_ptr<Frame> black_frame;
+ static once_flag flag;
+ call_once(flag, [] {
+ // Not really black, but whatever. :-)
+ uint8_t black[] = { 0, 0, 0, 255 };
+ RefCountedTexture black_tex = create_texture_2d(1, 1, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, black);
+
+ black_frame->y = black_tex;
+ black_frame->cb = black_tex;
+ black_frame->cr = move(black_tex);
+ black_frame->width = 1;
+ black_frame->height = 1;
+ black_frame->chroma_subsampling_x = 1;
+ black_frame->chroma_subsampling_y = 1;
+ });
+ ++metric_jpeg_software_fail_frames;
+ return black_frame;
+}
projects / nageru / blobdiff