extern HTTPD *global_httpd;
-namespace {
-
-string read_file(const string &filename)
-{
- FILE *fp = fopen(filename.c_str(), "rb");
- if (fp == nullptr) {
- perror(filename.c_str());
- return "";
- }
-
- fseek(fp, 0, SEEK_END);
- long len = ftell(fp);
- rewind(fp);
-
- string ret;
- ret.resize(len);
- fread(&ret[0], len, 1, fp);
- fclose(fp);
- return ret;
-}
-
-} // namespace
-
struct VectorDestinationManager {
jpeg_destination_mgr pub;
std::vector<uint8_t> dest;
q = move(frame_queue);
}
+ // These are not RAII-ed, unfortunately, so we'll need to clean them ourselves.
+ // Note that release_texture() is thread-safe.
+ for (const QueuedFrame &qf : q) {
+ if (qf.type == QueuedFrame::INTERPOLATED ||
+ qf.type == QueuedFrame::FADED_INTERPOLATED) {
+ compute_flow->release_texture(qf.flow_tex);
+ }
+ if (qf.type == QueuedFrame::INTERPOLATED) {
+ interpolate->release_texture(qf.output_tex);
+ interpolate->release_texture(qf.cbcr_tex);
+ }
+ }
+
// Destroy q outside the mutex, as that would be a double-lock.
}
void VideoStream::schedule_original_frame(steady_clock::time_point local_pts,
int64_t output_pts, function<void()> &&display_func,
QueueSpotHolder &&queue_spot_holder,
- unsigned stream_idx, int64_t input_pts)
+ FrameOnDisk frame)
{
- fprintf(stderr, "output_pts=%ld original input_pts=%ld\n", output_pts, input_pts);
+ fprintf(stderr, "output_pts=%ld original input_pts=%ld\n", output_pts, frame.pts);
// Preload the file from disk, so that the encoder thread does not get stalled.
// TODO: Consider sending it through the queue instead.
- (void)read_file(filename_for_frame(stream_idx, input_pts));
+ (void)frame_reader.read_frame(frame);
QueuedFrame qf;
qf.local_pts = local_pts;
qf.type = QueuedFrame::ORIGINAL;
qf.output_pts = output_pts;
- qf.stream_idx = stream_idx;
- qf.input_first_pts = input_pts;
+ qf.frame1 = frame;
qf.display_func = move(display_func);
qf.queue_spot_holder = move(queue_spot_holder);
void VideoStream::schedule_faded_frame(steady_clock::time_point local_pts, int64_t output_pts,
function<void()> &&display_func,
QueueSpotHolder &&queue_spot_holder,
- unsigned stream_idx, int64_t input_pts, int secondary_stream_idx,
- int64_t secondary_input_pts, float fade_alpha)
+ FrameOnDisk frame1_spec, FrameOnDisk frame2_spec,
+ float fade_alpha)
{
- fprintf(stderr, "output_pts=%ld faded input_pts=%ld,%ld fade_alpha=%.2f\n", output_pts, input_pts, secondary_input_pts, fade_alpha);
+ fprintf(stderr, "output_pts=%ld faded input_pts=%ld,%ld fade_alpha=%.2f\n", output_pts, frame1_spec.pts, frame2_spec.pts, fade_alpha);
// Get the temporary OpenGL resources we need for doing the fade.
// (We share these with interpolated frames, which is slightly
bool did_decode;
- JPEGID jpeg_id1;
- jpeg_id1.stream_idx = stream_idx;
- jpeg_id1.pts = input_pts;
- jpeg_id1.interpolated = false;
- shared_ptr<Frame> frame1 = decode_jpeg_with_cache(jpeg_id1, DECODE_IF_NOT_IN_CACHE, &did_decode);
-
- JPEGID jpeg_id2;
- jpeg_id2.stream_idx = secondary_stream_idx;
- jpeg_id2.pts = secondary_input_pts;
- jpeg_id2.interpolated = false;
- shared_ptr<Frame> frame2 = decode_jpeg_with_cache(jpeg_id2, DECODE_IF_NOT_IN_CACHE, &did_decode);
+ shared_ptr<Frame> frame1 = decode_jpeg_with_cache(frame1_spec, DECODE_IF_NOT_IN_CACHE, &frame_reader, &did_decode);
+ shared_ptr<Frame> frame2 = decode_jpeg_with_cache(frame2_spec, DECODE_IF_NOT_IN_CACHE, &frame_reader, &did_decode);
ycbcr_semiplanar_converter->prepare_chain_for_fade(frame1, frame2, fade_alpha)->render_to_fbo(resources->fade_fbo, 1280, 720);
qf.local_pts = local_pts;
qf.type = QueuedFrame::FADED;
qf.output_pts = output_pts;
- qf.stream_idx = stream_idx;
- qf.input_first_pts = input_pts;
+ qf.frame1 = frame1_spec;
qf.display_func = move(display_func);
qf.queue_spot_holder = move(queue_spot_holder);
- qf.secondary_stream_idx = secondary_stream_idx;
- qf.secondary_input_pts = secondary_input_pts;
+ qf.secondary_frame = frame2_spec;
// Subsample and split Cb/Cr.
chroma_subsampler->subsample_chroma(resources->fade_cbcr_output_tex, 1280, 720, resources->cb_tex, resources->cr_tex);
}
void VideoStream::schedule_interpolated_frame(steady_clock::time_point local_pts,
- int64_t output_pts, function<void()> &&display_func,
+ int64_t output_pts, function<void(shared_ptr<Frame>)> &&display_func,
QueueSpotHolder &&queue_spot_holder,
- unsigned stream_idx, int64_t input_first_pts,
- int64_t input_second_pts, float alpha,
- int secondary_stream_idx, int64_t secondary_input_pts,
- float fade_alpha)
+ FrameOnDisk frame1, FrameOnDisk frame2,
+ float alpha, FrameOnDisk secondary_frame, float fade_alpha)
{
- if (secondary_stream_idx != -1) {
- fprintf(stderr, "output_pts=%ld interpolated input_pts1=%ld input_pts2=%ld alpha=%.3f secondary_pts=%ld fade_alpha=%.2f\n", output_pts, input_first_pts, input_second_pts, alpha, secondary_input_pts, fade_alpha);
+ if (secondary_frame.pts != -1) {
+ fprintf(stderr, "output_pts=%ld interpolated input_pts1=%ld input_pts2=%ld alpha=%.3f secondary_pts=%ld fade_alpha=%.2f\n", output_pts, frame1.pts, frame2.pts, alpha, secondary_frame.pts, fade_alpha);
} else {
- fprintf(stderr, "output_pts=%ld interpolated input_pts1=%ld input_pts2=%ld alpha=%.3f\n", output_pts, input_first_pts, input_second_pts, alpha);
- }
-
- JPEGID id;
- if (secondary_stream_idx == -1) {
- id = JPEGID{ stream_idx, output_pts, /*interpolated=*/true };
- } else {
- id = create_jpegid_for_interpolated_fade(stream_idx, output_pts, secondary_stream_idx, secondary_input_pts);
+ fprintf(stderr, "output_pts=%ld interpolated input_pts1=%ld input_pts2=%ld alpha=%.3f\n", output_pts, frame1.pts, frame2.pts, alpha);
}
// Get the temporary OpenGL resources we need for doing the interpolation.
}
QueuedFrame qf;
- qf.type = (secondary_stream_idx == -1) ? QueuedFrame::INTERPOLATED : QueuedFrame::FADED_INTERPOLATED;
+ qf.type = (secondary_frame.pts == -1) ? QueuedFrame::INTERPOLATED : QueuedFrame::FADED_INTERPOLATED;
qf.output_pts = output_pts;
- qf.stream_idx = stream_idx;
- qf.id = id;
- qf.display_func = move(display_func);
+ qf.display_decoded_func = move(display_func);
qf.queue_spot_holder = move(queue_spot_holder);
qf.local_pts = local_pts;
// Convert frame0 and frame1 to OpenGL textures.
for (size_t frame_no = 0; frame_no < 2; ++frame_no) {
- JPEGID jpeg_id;
- jpeg_id.stream_idx = stream_idx;
- jpeg_id.pts = frame_no == 1 ? input_second_pts : input_first_pts;
- jpeg_id.interpolated = false;
+ FrameOnDisk frame_spec = frame_no == 1 ? frame2 : frame1;
bool did_decode;
- shared_ptr<Frame> frame = decode_jpeg_with_cache(jpeg_id, DECODE_IF_NOT_IN_CACHE, &did_decode);
+ shared_ptr<Frame> frame = decode_jpeg_with_cache(frame_spec, DECODE_IF_NOT_IN_CACHE, &frame_reader, &did_decode);
ycbcr_converter->prepare_chain_for_conversion(frame)->render_to_fbo(resources->input_fbos[frame_no], 1280, 720);
}
qf.flow_tex = compute_flow->exec(resources->gray_tex, DISComputeFlow::FORWARD_AND_BACKWARD, DISComputeFlow::DO_NOT_RESIZE_FLOW);
check_error();
- if (secondary_stream_idx != -1) {
+ if (secondary_frame.pts != -1) {
// Fade. First kick off the interpolation.
tie(qf.output_tex, ignore) = interpolate_no_split->exec(resources->input_tex, resources->gray_tex, qf.flow_tex, 1280, 720, alpha);
check_error();
// Now decode the image we are fading against.
- JPEGID jpeg_id;
- jpeg_id.stream_idx = secondary_stream_idx;
- jpeg_id.pts = secondary_input_pts;
- jpeg_id.interpolated = false;
bool did_decode;
- shared_ptr<Frame> frame2 = decode_jpeg_with_cache(jpeg_id, DECODE_IF_NOT_IN_CACHE, &did_decode);
+ shared_ptr<Frame> frame2 = decode_jpeg_with_cache(secondary_frame, DECODE_IF_NOT_IN_CACHE, &frame_reader, &did_decode);
// Then fade against it, putting it into the fade Y' and CbCr textures.
ycbcr_semiplanar_converter->prepare_chain_for_fade_from_texture(qf.output_tex, frame2, fade_alpha)->render_to_fbo(resources->fade_fbo, 1280, 720);
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
glBindBuffer(GL_PIXEL_PACK_BUFFER, resources->pbo);
check_error();
- if (secondary_stream_idx != -1) {
+ if (secondary_frame.pts != -1) {
glGetTextureImage(resources->fade_y_output_tex, 0, GL_RED, GL_UNSIGNED_BYTE, 1280 * 720 * 4, BUFFER_OFFSET(0));
} else {
glGetTextureImage(qf.output_tex, 0, GL_RED, GL_UNSIGNED_BYTE, 1280 * 720 * 4, BUFFER_OFFSET(0));
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));
+ string jpeg = frame_reader.read_frame(qf.frame1);
AVPacket pkt;
av_init_packet(&pkt);
pkt.stream_index = 0;
} else if (qf.type == QueuedFrame::INTERPOLATED || qf.type == QueuedFrame::FADED_INTERPOLATED) {
glClientWaitSync(qf.fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
- // Send a copy of the frame on to display.
+ // Send it on to display.
shared_ptr<Frame> frame = frame_from_pbo(qf.resources->pbo_contents, 1280, 720);
- JPEGFrameView::insert_interpolated_frame(qf.id, frame);
+ if (qf.display_decoded_func != nullptr) {
+ qf.display_decoded_func(frame);
+ }
// Now JPEG encode it, and send it on to the stream.
vector<uint8_t> jpeg = encode_jpeg(frame->y.get(), frame->cb.get(), frame->cr.get(), 1280, 720);