OBJS += $(OBJS_WITH_MOC)
OBJS += $(OBJS_WITH_MOC:.o=.moc.o)
-OBJS += ffmpeg_raii.o main.o player.o httpd.o mux.o metacube2.o video_stream.o
+# Flow objects
+OBJS += flow.o gpu_timers.o
+
+OBJS += ffmpeg_raii.o main.o player.o httpd.o mux.o metacube2.o video_stream.o context.o
%.o: %.cpp
$(CXX) -MMD -MP $(CPPFLAGS) $(CXXFLAGS) -o $@ -c $<
--- /dev/null
+#include <stdio.h>
+
+#include <string>
+
+#include <QGL>
+#include <QOffscreenSurface>
+#include <QOpenGLContext>
+#include <QSurface>
+#include <QSurfaceFormat>
+
+QGLWidget *global_share_widget = nullptr;
+
+using namespace std;
+
+QSurface *create_surface()
+{
+ QSurfaceFormat fmt;
+ fmt.setDepthBufferSize(0);
+ fmt.setStencilBufferSize(0);
+ fmt.setProfile(QSurfaceFormat::CoreProfile);
+ fmt.setMajorVersion(4);
+ fmt.setMinorVersion(5);
+ fmt.setSwapInterval(0);
+ QOffscreenSurface *surface = new QOffscreenSurface;
+ surface->setFormat(fmt);
+ surface->create();
+ if (!surface->isValid()) {
+ fprintf(stderr, "ERROR: surface not valid!\n");
+ exit(1);
+ }
+ return surface;
+}
+
+QSurface *create_surface(const QSurfaceFormat &format)
+{
+ QOffscreenSurface *surface = new QOffscreenSurface;
+ surface->setFormat(format);
+ surface->create();
+ if (!surface->isValid()) {
+ fprintf(stderr, "ERROR: surface not valid!\n");
+ exit(1);
+ }
+ return surface;
+}
+
+QSurface *create_surface_with_same_format(const QSurface *surface)
+{
+ return create_surface(surface->format());
+}
+
+QOpenGLContext *create_context(const QSurface *surface)
+{
+ QOpenGLContext *context = new QOpenGLContext;
+ context->setShareContext(global_share_widget->context()->contextHandle());
+ context->setFormat(surface->format());
+ context->create();
+ return context;
+}
+
+bool make_current(QOpenGLContext *context, QSurface *surface)
+{
+ return context->makeCurrent(surface);
+}
+
+void delete_context(QOpenGLContext *context)
+{
+ delete context;
+}
--- /dev/null
+
+// Needs to be in its own file because Qt and libepoxy seemingly don't coexist well
+// within the same file.
+
+class QSurface;
+class QOpenGLContext;
+class QSurfaceFormat;
+class QGLWidget;
+
+extern bool using_egl;
+extern QGLWidget *global_share_widget;
+QSurface *create_surface();
+QSurface *create_surface(const QSurfaceFormat &format);
+QSurface *create_surface_with_same_format(const QSurface *surface);
+QOpenGLContext *create_context(const QSurface *surface);
+bool make_current(QOpenGLContext *context, QSurface *surface);
+void delete_context(QOpenGLContext *context);
#include "defs.h"
#include "post_to_main_thread.h"
+#include "video_stream.h"
using namespace movit;
using namespace std;
{
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
- glDepthMask(GL_FALSE);
check_error();
static once_flag once;
call_once(once, [] {
- CHECK(init_movit(MOVIT_SHADER_DIR, MOVIT_DEBUG_OFF));
resource_pool = new ResourcePool;
-
std::thread(&jpeg_decoder_thread).detach();
});
#include <memory>
-std::string filename_for_frame(unsigned stream_idx, int64_t pts);
-
struct Frame {
std::unique_ptr<uint8_t[]> y, cb, cr;
unsigned width, height;
unsigned pitch_y, pitch_chroma;
};
+std::string filename_for_frame(unsigned stream_idx, int64_t pts);
+std::shared_ptr<Frame> decode_jpeg(const std::string &filename);
+
class JPEGFrameView : public QGLWidget {
Q_OBJECT
#include <QApplication>
+#include <movit/init.h>
+#include <movit/util.h>
+
#include "clip_list.h"
+#include "context.h"
#include "defs.h"
#include "mainwindow.h"
#include "ffmpeg_raii.h"
#include "httpd.h"
#include "player.h"
#include "post_to_main_thread.h"
+#include "ref_counted_gl_sync.h"
#include "ui_mainwindow.h"
using namespace std;
using namespace std::chrono;
+std::mutex RefCountedGLsync::fence_lock;
+
// TODO: Replace by some sort of GUI control, I guess.
int64_t current_pts = 0;
mutex frame_mu;
vector<int64_t> frames[MAX_STREAMS];
-QGLWidget *global_share_widget;
HTTPD *global_httpd;
int record_thread_func();
fmt.setDepthBufferSize(0);
fmt.setStencilBufferSize(0);
fmt.setProfile(QSurfaceFormat::CoreProfile);
- fmt.setMajorVersion(3);
- fmt.setMinorVersion(1);
+ fmt.setMajorVersion(4);
+ fmt.setMinorVersion(5);
// Turn off vsync, since Qt generally gives us at most frame rate
// (display frequency) / (number of QGLWidgets active).
QApplication app(argc, argv);
global_share_widget = new QGLWidget();
if (!global_share_widget->isValid()) {
- fprintf(stderr, "Failed to initialize OpenGL. Futatabi needs at least OpenGL 3.1 to function properly.\n");
+ fprintf(stderr, "Failed to initialize OpenGL. Futatabi needs at least OpenGL 4.5 to function properly.\n");
exit(1);
}
+
+ // Initialize Movit.
+ {
+ QSurface *surface = create_surface();
+ QOpenGLContext *context = create_context(surface);
+ make_current(context, surface);
+ CHECK(movit::init_movit(MOVIT_SHADER_DIR, movit::MOVIT_DEBUG_OFF));
+ delete_context(context);
+ // TODO: Delete the surface, too.
+ }
+
MainWindow mainWindow;
mainWindow.show();
this, &MainWindow::playlist_selection_changed);
playlist_selection_changed(); // First time set-up.
- preview_player = new Player(ui->preview_display);
- live_player = new Player(ui->live_display);
+ preview_player = new Player(ui->preview_display, /*also_output_to_stream=*/false);
+ live_player = new Player(ui->live_display, /*also_output_to_stream=*/true);
live_player->set_done_callback([this]{
post_to_main_thread([this]{
live_player_clip_done();
#include <stdio.h>
+#include <movit/util.h>
+
#include "clip_list.h"
+#include "context.h"
#include "defs.h"
#include "ffmpeg_raii.h"
#include "httpd.h"
#include "jpeg_frame_view.h"
#include "mux.h"
#include "player.h"
+#include "video_stream.h"
using namespace std;
using namespace std::chrono;
extern vector<int64_t> frames[MAX_STREAMS];
extern HTTPD *global_httpd;
-void Player::thread_func()
+void Player::thread_func(bool also_output_to_stream)
{
+ QSurface *surface = create_surface();
+ QOpenGLContext *context = create_context(surface);
+ if (!make_current(context, surface)) {
+ printf("oops\n");
+ exit(1);
+ }
+
+ check_error();
+
+ // Create the VideoStream object, now that we have an OpenGL context.
+ if (also_output_to_stream) {
+ video_stream.reset(new VideoStream);
+ video_stream->start();
+ }
+
+ check_error();
+
for ( ;; ) {
// Wait until we're supposed to play something.
{
destination->setFrame(stream_idx, next_pts);
- // Send the frame to the stream.
- // FIXME: Vaguely less crazy pts, perhaps.
- double pts_float = fmod(duration<double>(next_frame_start.time_since_epoch()).count(), 86400.0f);
- int64_t pts = lrint(pts_float * TIMEBASE);
- video_stream.schedule_original_frame(pts, stream_idx, next_pts);
+ if (video_stream != nullptr) {
+ // Send the frame to the stream.
+ // FIXME: Vaguely less crazy pts, perhaps.
+ double pts_float = fmod(duration<double>(next_frame_start.time_since_epoch()).count(), 86400.0f);
+ int64_t pts = lrint(pts_float * TIMEBASE);
+ video_stream->schedule_original_frame(pts, stream_idx, next_pts);
+
+ // HACK: test interpolation by frame-doubling.
+ int64_t next_next_pts = -1;
+ {
+ lock_guard<mutex> lock(frame_mu);
+ auto it = upper_bound(frames[stream_idx].begin(),
+ frames[stream_idx].end(),
+ next_pts);
+ if (it == frames[stream_idx].end() || *it >= clip.pts_out) {
+ break;
+ }
+ next_next_pts = *it;
+ }
+ if (next_next_pts != -1) {
+ int64_t interpolated_pts = (next_pts + next_next_pts) / 2;
+ video_stream->schedule_interpolated_frame(interpolated_pts, stream_idx, next_pts, next_next_pts, 0.5f);
+ }
+ }
}
{
}
}
-Player::Player(JPEGFrameView *destination)
+Player::Player(JPEGFrameView *destination, bool also_output_to_stream)
: destination(destination)
{
- video_stream.start();
- thread(&Player::thread_func, this).detach();
+ thread(&Player::thread_func, this, also_output_to_stream).detach();
}
void Player::play_clip(const Clip &clip, unsigned stream_idx)
#define _PLAYER_H 1
#include "clip_list.h"
-#include "video_stream.h"
+
+extern "C" {
+#include <libavformat/avio.h>
+}
#include <condition_variable>
#include <functional>
#include <mutex>
class JPEGFrameView;
+class VideoStream;
+class QSurface;
+class QSurfaceFormat;
class Player {
public:
- Player(JPEGFrameView *destination);
+ Player(JPEGFrameView *destination, bool also_output_to_stream);
void play_clip(const Clip &clip, unsigned stream_idx);
void override_angle(unsigned stream_idx); // For the current clip only.
void set_done_callback(done_callback_func cb) { done_callback = cb; }
private:
- void thread_func();
+ void thread_func(bool also_output_to_stream);
void open_output_stream();
static int write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
int write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
bool playing = false; // Under queue_state_mu.
int override_stream_idx = -1; // Under queue_state_mu.
- VideoStream video_stream;
+ std::unique_ptr<VideoStream> video_stream; // Can be nullptr.
};
#endif // !defined(_PLAYER_H)
--- /dev/null
+#ifndef _REF_COUNTED_GL_SYNC_H
+#define _REF_COUNTED_GL_SYNC_H 1
+
+// A wrapper around GLsync (OpenGL fences) that is automatically refcounted.
+// Useful since we sometimes want to use the same fence two entirely different
+// places. (We could set two fences at the same time, but they are not an
+// unlimited hardware resource, so it would be a bit wasteful.)
+
+#include <epoxy/gl.h>
+#include <memory>
+#include <mutex>
+
+typedef std::shared_ptr<__GLsync> RefCountedGLsyncBase;
+
+class RefCountedGLsync : public RefCountedGLsyncBase {
+public:
+ RefCountedGLsync() {}
+
+ RefCountedGLsync(GLenum condition, GLbitfield flags)
+ : RefCountedGLsyncBase(locked_glFenceSync(condition, flags), glDeleteSync) {}
+
+private:
+ // These are to work around apitrace bug #446.
+ static GLsync locked_glFenceSync(GLenum condition, GLbitfield flags)
+ {
+ std::lock_guard<std::mutex> lock(fence_lock);
+ return glFenceSync(condition, flags);
+ }
+
+ static void locked_glDeleteSync(GLsync sync)
+ {
+ std::lock_guard<std::mutex> lock(fence_lock);
+ glDeleteSync(sync);
+ }
+
+ static std::mutex fence_lock;
+};
+
+#endif // !defined(_REF_COUNTED_GL_SYNC_H)
#include <libavformat/avio.h>
}
+#include <unistd.h>
+
+#include "context.h"
+#include "flow.h"
#include "httpd.h"
#include "jpeg_frame_view.h"
+#include "movit/util.h"
#include "mux.h"
#include "player.h"
+#include "util.h"
+
+#include <epoxy/glx.h>
using namespace std;
} // namespace
+VideoStream::VideoStream()
+{
+ using namespace movit;
+ // TODO: deduplicate code against JPEGFrameView?
+ ycbcr_convert_chain.reset(new EffectChain(1280, 720));
+ ImageFormat image_format;
+ image_format.color_space = COLORSPACE_sRGB;
+ image_format.gamma_curve = GAMMA_sRGB;
+ ycbcr_format.luma_coefficients = YCBCR_REC_709;
+ ycbcr_format.full_range = false;
+ ycbcr_format.num_levels = 256;
+ ycbcr_format.chroma_subsampling_x = 2;
+ ycbcr_format.chroma_subsampling_y = 1;
+ ycbcr_format.cb_x_position = 0.0f; // H.264 -- _not_ JPEG, even though our input is MJPEG-encoded
+ ycbcr_format.cb_y_position = 0.5f; // Irrelevant.
+ ycbcr_format.cr_x_position = 0.0f;
+ ycbcr_format.cr_y_position = 0.5f;
+ ycbcr_input = (movit::YCbCrInput *)ycbcr_convert_chain->add_input(new YCbCrInput(image_format, ycbcr_format, 1280, 720));
+
+ ImageFormat inout_format;
+ inout_format.color_space = COLORSPACE_sRGB;
+ inout_format.gamma_curve = GAMMA_sRGB;
+
+ check_error();
+ ycbcr_convert_chain->add_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
+ check_error();
+ ycbcr_convert_chain->set_dither_bits(8);
+ check_error();
+ ycbcr_convert_chain->finalize();
+ check_error();
+
+ GLuint input_tex[num_interpolate_slots], gray_tex[num_interpolate_slots];
+ glCreateTextures(GL_TEXTURE_2D_ARRAY, 10, input_tex);
+ glCreateTextures(GL_TEXTURE_2D_ARRAY, 10, gray_tex);
+ check_error();
+ constexpr size_t width = 1280, height = 720; // FIXME: adjustable width, height
+ int levels = find_num_levels(width, height);
+ for (size_t i = 0; i < num_interpolate_slots; ++i) {
+ glTextureStorage3D(input_tex[i], levels, GL_RGBA8, width, height, 2);
+ check_error();
+ glTextureStorage3D(gray_tex[i], levels, GL_R8, width, height, 2);
+ check_error();
+
+ InterpolatedFrameResources resource;
+ resource.input_tex = input_tex[i];
+ resource.gray_tex = gray_tex[i];
+ glCreateFramebuffers(2, resource.input_fbos);
+ check_error();
+
+ glNamedFramebufferTextureLayer(resource.input_fbos[0], GL_COLOR_ATTACHMENT0, input_tex[i], 0, 0);
+ check_error();
+ glNamedFramebufferTextureLayer(resource.input_fbos[1], GL_COLOR_ATTACHMENT0, input_tex[i], 0, 1);
+ check_error();
+
+ GLuint buf = GL_COLOR_ATTACHMENT0;
+ glNamedFramebufferDrawBuffers(resource.input_fbos[0], 1, &buf);
+ check_error();
+ glNamedFramebufferDrawBuffers(resource.input_fbos[1], 1, &buf);
+ check_error();
+
+ glCreateBuffers(1, &resource.pbo);
+ check_error();
+ glNamedBufferStorage(resource.pbo, width * height * 4, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
+ check_error();
+ resource.pbo_contents = glMapNamedBufferRange(resource.pbo, 0, width * height * 4, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
+ interpolate_resources.push_back(resource);
+ }
+
+ check_error();
+
+ compute_flow.reset(new DISComputeFlow(width, height, operating_point3));
+ gray.reset(new GrayscaleConversion); // NOTE: Must come after DISComputeFlow, since it sets up the VBO!
+ interpolate.reset(new Interpolate(width, height, operating_point3));
+ check_error();
+}
+
+VideoStream::~VideoStream() {}
+
void VideoStream::start()
{
AVFormatContext *avctx = avformat_alloc_context();
void VideoStream::schedule_original_frame(int64_t output_pts, unsigned stream_idx, int64_t input_pts)
{
- unique_lock<mutex> lock(queue_lock);
QueuedFrame qf;
+ qf.type = QueuedFrame::ORIGINAL;
qf.output_pts = output_pts;
qf.stream_idx = stream_idx;
qf.input_first_pts = input_pts;
+
+ unique_lock<mutex> lock(queue_lock);
+ frame_queue.push_back(qf);
+ queue_nonempty.notify_all();
+}
+
+void VideoStream::schedule_interpolated_frame(int64_t output_pts, unsigned stream_idx, int64_t input_first_pts, int64_t input_second_pts, float alpha)
+{
+ // Get the temporary OpenGL resources we need for doing the interpolation.
+ InterpolatedFrameResources resources;
+ {
+ unique_lock<mutex> lock(queue_lock);
+ if (interpolate_resources.empty()) {
+ fprintf(stderr, "WARNING: Too many interpolated frames already in transit; dropping one.\n");
+ return;
+ }
+ resources = interpolate_resources.front();
+ interpolate_resources.pop_front();
+ }
+
+ QueuedFrame qf;
+ qf.type = QueuedFrame::INTERPOLATED;
+ qf.output_pts = output_pts;
+ qf.stream_idx = stream_idx;
+ qf.resources = resources;
+
+ check_error();
+
+ // Convert frame0 and frame1 to OpenGL textures.
+ // TODO: Deduplicate against JPEGFrameView::setDecodedFrame?
+ for (size_t frame_no = 0; frame_no < 2; ++frame_no) {
+ shared_ptr<Frame> frame = decode_jpeg(filename_for_frame(stream_idx, frame_no == 1 ? input_second_pts : input_first_pts));
+ ycbcr_format.chroma_subsampling_x = frame->chroma_subsampling_x;
+ ycbcr_format.chroma_subsampling_y = frame->chroma_subsampling_y;
+ ycbcr_input->change_ycbcr_format(ycbcr_format);
+ ycbcr_input->set_width(frame->width);
+ ycbcr_input->set_height(frame->height);
+ ycbcr_input->set_pixel_data(0, frame->y.get());
+ ycbcr_input->set_pixel_data(1, frame->cb.get());
+ ycbcr_input->set_pixel_data(2, frame->cr.get());
+ ycbcr_input->set_pitch(0, frame->pitch_y);
+ ycbcr_input->set_pitch(1, frame->pitch_chroma);
+ ycbcr_input->set_pitch(2, frame->pitch_chroma);
+ ycbcr_convert_chain->render_to_fbo(resources.input_fbos[frame_no], 1280, 720);
+ }
+
+ glGenerateTextureMipmap(resources.input_tex);
+
+ // Compute the interpolated frame.
+ check_error();
+ gray->exec(resources.input_tex, resources.gray_tex, 1280, 720, /*num_layers=*/2);
+ check_error();
+ glGenerateTextureMipmap(resources.gray_tex);
+ check_error();
+ GLuint flow_tex = compute_flow->exec(resources.gray_tex, DISComputeFlow::FORWARD_AND_BACKWARD, DISComputeFlow::DO_NOT_RESIZE_FLOW);
+ check_error();
+
+ qf.output_tex = interpolate->exec(resources.input_tex, flow_tex, 1280, 720, alpha);
+ check_error();
+
+ // Read it down (asynchronously) to the CPU.
+ glPixelStorei(GL_PACK_ROW_LENGTH, 0);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, resources.pbo);
+ check_error();
+ glGetTextureImage(qf.output_tex, 0, GL_RGBA, GL_UNSIGNED_BYTE, 1280 * 720 * 4, nullptr);
+ check_error();
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+
+ // Set a fence we can wait for to make sure the CPU sees the read.
+ glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
+ check_error();
+ qf.fence = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
+ check_error();
+
+ unique_lock<mutex> lock(queue_lock);
frame_queue.push_back(qf);
queue_nonempty.notify_all();
}
void VideoStream::encode_thread_func()
{
+ 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");
+ exit(1);
+ }
+
for ( ;; ) {
QueuedFrame qf;
{
}
if (qf.type == QueuedFrame::ORIGINAL) {
+ // Send the JPEG frame on, unchanged.
string jpeg = read_file(filename_for_frame(qf.stream_idx, qf.input_first_pts));
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = (uint8_t *)jpeg.data();
pkt.size = jpeg.size();
stream_mux->add_packet(pkt, qf.output_pts, qf.output_pts);
- }
+ } else if (qf.type == QueuedFrame::INTERPOLATED) {
+ glClientWaitSync(qf.fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
+
+ // DEBUG: Writing the frame to disk.
+ FILE *fp = fopen("inter.ppm", "wb");
+ fprintf(fp, "P6\n%d %d\n255\n", 1280, 720);
+ for (size_t y = 0; y < 720; ++y) {
+ const uint8_t *ptr = (uint8_t *)qf.resources.pbo_contents + (719 - y) * 1280 * 4;
+ for (size_t x = 0; x < 1280; ++x) {
+ putc(ptr[0], fp);
+ putc(ptr[1], fp);
+ putc(ptr[2], fp);
+ ptr += 4;
+ }
+ }
+ fclose(fp);
+ // TODO: Release flow and output textures.
+
+ // Put the frame resources back.
+ unique_lock<mutex> lock(queue_lock);
+ interpolate_resources.push_back(qf.resources);
+ }
}
}
#include <string>
#include <thread>
+#include <movit/effect_chain.h>
+#include <movit/ycbcr_input.h>
+
+#include "ref_counted_gl_sync.h"
+
+class DISComputeFlow;
+class GrayscaleConversion;
+class Interpolate;
class Mux;
+class QSurface;
+class QSurfaceFormat;
class VideoStream {
public:
+ VideoStream();
+ ~VideoStream();
void start();
void stop();
void schedule_interpolated_frame(int64_t output_pts, unsigned stream_idx, int64_t input_first_pts, int64_t input_second_pts, float alpha);
private:
+
void encode_thread_func();
std::thread encode_thread;
static int write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
int write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
+ // Allocated at the very start; if we're empty, we start dropping frames
+ // (so that we don't build up an infinite interpolation backlog).
+ struct InterpolatedFrameResources {
+ GLuint input_tex; // Layered (contains both input frames).
+ GLuint gray_tex; // Same.
+ GLuint input_fbos[2]; // For rendering to the two layers of input_tex.
+ GLuint pbo; // For reading the data back.
+ void *pbo_contents; // Persistently mapped.
+ };
+ std::deque<InterpolatedFrameResources> interpolate_resources; // Under <queue_lock>.
+ static constexpr size_t num_interpolate_slots = 10;
+
struct QueuedFrame {
int64_t output_pts;
enum Type { ORIGINAL, INTERPOLATED } type;
// For interpolated frames only.
int64_t input_second_pts;
float alpha;
- GLuint flow_tex;
- GLuint fence; // Set when the flow is done computing.
+ InterpolatedFrameResources resources;
+ GLuint output_tex;
+ RefCountedGLsync fence; // Set when the interpolated image is read back to the CPU.
};
std::deque<QueuedFrame> frame_queue; // Under <queue_lock>.
std::mutex queue_lock;
std::unique_ptr<Mux> stream_mux; // To HTTP.
std::string stream_mux_header;
bool seen_sync_markers = false;
+
+ QSurface *gl_surface;
+ std::unique_ptr<movit::EffectChain> ycbcr_convert_chain; // TODO: Have a separate version with resample, for scaling?
+ movit::YCbCrInput *ycbcr_input;
+ movit::YCbCrFormat ycbcr_format;
+
+ // Frame interpolation.
+ std::unique_ptr<GrayscaleConversion> gray;
+ std::unique_ptr<DISComputeFlow> compute_flow;
+ std::unique_ptr<Interpolate> interpolate;
};
#endif // !defined(_VIDEO_STREAM_H)
projects / nageru / commitdiff