#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 {
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_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 };
extern QGLWidget *global_share_widget;
extern atomic<bool> should_quit;
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(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");
return get_black_frame();
}
+ jpeg_save_markers(&dinfo, JPEG_APP0 + 1, 0xFFFF);
+
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);
+ abort();
}
dinfo.raw_data_out = true;
frame->pitch_y = luma_width_blocks * DCTSIZE;
frame->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);
+ }
+
if (!error_mgr.run([&dinfo, &frame, 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 };
}
++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;
}
++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);
lock_guard<mutex> lock(cache_mu);
cache_bytes_used += frame_size(*frame);
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);
}
// 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();
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);
});
}
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();
}
lock_guard<mutex> lock(cache_mu);
PendingDecode decode;
decode.frame = std::move(frame);
- decode.destination = this;
pending_decodes.push_back(decode);
any_pending_decodes.notify_all();
}
-ResourcePool *resource_pool = nullptr;
-
void JPEGFrameView::initializeGL()
{
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;
+ }
+
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);
projects / nageru / blobdiff