C++ (Cpp) putFrame Examples

Example #1

File: ffmpegDecode.c Project: lukechampine/mkvsynth

void *ffmpegDecode(void *filterParams) {
	struct ffmpegDecode *params = (struct ffmpegDecode *)filterParams;

	/////////////////
	// Decode Loop //
	/////////////////
	AVPacket packet;
	int currentFrame = 1;
	while(av_read_frame(params->formatContext, &packet) >= 0) {
		if(packet.stream_index == params->videoStream) {
			avcodec_decode_video2(
				params->codecContext,
				params->frame,
				&params->frameFinished,
				&packet);

			if(params->frameFinished) {
				currentFrame++;
				if(currentFrame % 500 == 0)
					MkvsynthMessage("Finished Frame %i", currentFrame);
				sws_scale (
					params->resizeContext,
					(uint8_t const * const *)params->frame->data,
					params->frame->linesize,
					0,
					params->codecContext->height,
					params->rgbFrame->data,
					params->rgbFrame->linesize);
			
				params->outputPayload = malloc(getBytes(params->output->metaData));
  			memcpy(params->outputPayload, params->rgbFrame->data[0], getBytes(params->output->metaData));
				putFrame(params->output, params->outputPayload);
			}
		}
		
		av_free_packet(&packet);
	}

	////////////////////////
	// Stream Termination //
	////////////////////////
	putFrame(params->output, NULL);
	
	/////////////////////////
	// Memory Deallocation //
	/////////////////////////
	av_free(params->frame);
	av_free(params->rgbFrame);
	av_free(params->rgbFramePayload);
	avcodec_close(params->codecContext);
	avformat_close_input(&params->formatContext);
	free(params);
	return NULL;
}

Example #2

File: testingGradient.c Project: lukechampine/mkvsynth

void *testingGradient(void *filterParams) {
	struct TestingGradientParams *params = (struct TestingGradientParams*)filterParams;

	int i, j;
	for(i = 0; i < params->frames; i++) {
		uint8_t *payload = malloc(getBytes(params->output->metaData));
		uint16_t *shortPayload = (uint16_t *)payload;

		int bytes = getBytes(params->output->metaData);
		for(j = 0; j < bytes / 2; j++)
			shortPayload[j] = (j + i) % 65536;

		putFrame(params->output, payload);
	}

	putFrame(params->output, NULL);
	free(params);
	return NULL;
}

Example #3

File: v4l2videonode.cpp Project: yutokt/android_vendor_intel

status_t V4L2VideoNode::putFrame(struct v4l2_buffer const *buf)
{
    int index = buf->index;
    LOG2("@%s, index:%d, addr:%p name:%s", __FUNCTION__, buf->index, (void *)buf->m.userptr, mName.string());

    mBufferPool.editItemAt(index).vbuffer.m.userptr = buf->m.userptr;
    // reserved2 indicates whether this frame requires per-frame parameters
    mBufferPool.editItemAt(index).vbuffer.reserved2 = buf->reserved2;
    if (putFrame(index) < 0)
        return UNKNOWN_ERROR;

    return NO_ERROR;
}