sdk-hwV1.3/external/fast-user-adapter/rt_media/demo/demo_get_yuv.c

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/types.h>
#include <pthread.h>
#include <unistd.h>
#include <sys/time.h>
#include <semaphore.h>
#include <signal.h>

#define LOG_TAG "demo_video"

#include <linux/videodev2.h>
#include <media/sunxi_camera_v2.h>

#include "AW_VideoInput_API.h"
#include "aw_util.h"

#define OUT_PUT_FILE_2 "/mnt/extsd"

#define TEST_YUV_RESET_SIZE 0

static int max_bitstream_count = SAVE_BITSTREAM_COUNT;
FILE *out_file_0 = NULL;

demo_video_param mparam;

static int get_yuv_frame_data(int channel, VideoInputConfig* config)
{
	int ret = 0;
	unsigned char file_name[128] = {0};
	FILE *out_yuv_file = NULL;
	VideoYuvFrame mYuvFrame;
	int cnt = mparam.encoder_num;
	int bsave_yuv_data = 1;

	sprintf(file_name, "%s/%dx%d.yuv", mparam.OutputFilePath, ALIGN_XXB(16, config->width), ALIGN_XXB(16, config->height));
	out_yuv_file = fopen(file_name, "wb");
	if(out_yuv_file == NULL)
	{
		aw_loge("fopen failed");
	}

	while(cnt > 0)
	{
		if (AWVideoInput_Check_Wait_Start(channel)) {
			usleep(200*1000);
			aw_logd("wait start");
			continue;
		}
	#if TEST_YUV_RESET_SIZE
		if (cnt == 3) {
			int reset_w = 640, reset_h = 360;
			AWVideoInput_Start(channel, 0);
			AWVideoInput_ResetSize(channel, reset_w, reset_h);
			fclose(out_yuv_file);
			sprintf(file_name, "%s/rst_%dx%d.yuv", mparam.OutputFilePath, ALIGN_XXB(16, reset_w), ALIGN_XXB(16, reset_h));
			out_yuv_file = fopen(file_name, "wb");
			if(out_yuv_file == NULL)
			{
				aw_loge("fopen failed");
			}

			AWVideoInput_Start(channel, 1);
		}
		if (cnt == 8) {
			int reset_w = 1280, reset_h = 720;
			AWVideoInput_Start(channel, 0);
			AWVideoInput_ResetSize(channel, reset_w, reset_h);
			fclose(out_yuv_file);
			sprintf(file_name, "%s/rst_%dx%d.yuv", mparam.OutputFilePath, ALIGN_XXB(16, reset_w), ALIGN_XXB(16, reset_h));
			out_yuv_file = fopen(file_name, "wb");
			if(out_yuv_file == NULL)
			{
				aw_loge("fopen failed");
			}

			AWVideoInput_Start(channel, 1);
		}
	#endif
		memset(&mYuvFrame, 0, sizeof(VideoYuvFrame));
		ret = AWVideoInput_GetYuvFrame(channel, &mYuvFrame);

		aw_logw("ret = %d, cnt = %d; frame info: w&h = %d, %d; phyAddr = %p, %p, %p, virAddr = %p, %p, %p time %lld\n",
				ret, cnt, mYuvFrame.widht, mYuvFrame.height,
				mYuvFrame.phyAddr[0], mYuvFrame.phyAddr[1], mYuvFrame.phyAddr[2],
				mYuvFrame.virAddr[0], mYuvFrame.virAddr[1], mYuvFrame.virAddr[2], get_cur_time_us());

		//usleep(100*1000);

		if(ret == 0)
		{
			int buf_size = mYuvFrame.widht*mYuvFrame.height*3/2;
			if(bsave_yuv_data == 1 && out_yuv_file != NULL)
				fwrite(mYuvFrame.virAddr[0], 1, buf_size, out_yuv_file);

			AWVideoInput_ReleaseYuvFrame(channel, &mYuvFrame);
		}
		if (ret != 0) {
			aw_logd("Getting yuv failed, break!");
			break;
		}
		cnt--;
	}

	if (out_yuv_file != NULL)
		fclose(out_yuv_file);
	return 0;
}

static void exit_demo()
{
	int i = 0;
	
	AWVideoInput_DeInit();
	aw_logd("exit: deInit end\n");
	if(out_file_0)
	{
		fclose(out_file_0);
		out_file_0 = NULL;
	}
	aw_logd("aw_demo, finish!\n");
	return ;
}

int main(int argc, char** argv)
{
	aw_logw("get yuv test start, time: %lld\n", get_cur_time_us());
	pthread_t		   thread = 0;
	int i = 0;
	int ret = 0;
	int channelId_0 = 0;

	memset(&mparam, 0, sizeof(demo_video_param));
	mparam.c0_encoder_format = -1;
	mparam.pixelformat = RT_PIXEL_NUM;
	mparam.use_vipp_num = 0;
	strcpy(mparam.OutputFilePath, OUT_PUT_FILE_2);
	/******** begin parse the config paramter ********/
	if(argc >= 2)
	{
		aw_logd("******************************\n");
		for(i = 1; i < (int)argc; i += 2)
		{
			ParseArgument(&mparam, argv[i], argv[i + 1]);
		}
		aw_logd("******************************\n");
	}
	else
	{
		aw_logd(" we need more arguments \n");
		PrintDemoUsage();
	}

	check_param(&mparam);
	if(mparam.encoder_num > 0)
		max_bitstream_count = mparam.encoder_num;
	else
		max_bitstream_count = 1;
	channelId_0 = mparam.use_vipp_num;
	VideoInputConfig config_0;
	memset(&config_0, 0, sizeof(VideoInputConfig));
	config_0.channelId = channelId_0;
	config_0.gop     = 30;
    config_0.pixelformat = mparam.pixelformat;

	config_0.venc_video_signal.video_format = RT_DEFAULT;
	switch(mparam.color_space)
	{
		case V4L2_COLORSPACE_JPEG:
		{
			config_0.venc_video_signal.full_range_flag = 1;
			config_0.venc_video_signal.src_colour_primaries = RT_VENC_YCC;
			config_0.venc_video_signal.dst_colour_primaries = RT_VENC_YCC;
			break;
		}
		case V4L2_COLORSPACE_REC709:
		{
			config_0.venc_video_signal.full_range_flag = 1;
			config_0.venc_video_signal.src_colour_primaries = RT_VENC_BT709;
			config_0.venc_video_signal.dst_colour_primaries = RT_VENC_BT709;
			break;
		}
		case V4L2_COLORSPACE_REC709_PART_RANGE:
		{
			config_0.venc_video_signal.full_range_flag = 0;
			config_0.venc_video_signal.src_colour_primaries = RT_VENC_BT709;
			config_0.venc_video_signal.dst_colour_primaries = RT_VENC_BT709;
			break;
		}
		default:
		{
			config_0.venc_video_signal.full_range_flag = 1;
			config_0.venc_video_signal.src_colour_primaries = RT_VENC_BT709;
			config_0.venc_video_signal.dst_colour_primaries = RT_VENC_BT709;
			break;
		}
	}
	config_0.output_mode = OUTPUT_MODE_YUV;
	config_0.width      = mparam.c0_src_w;
	config_0.height     = mparam.c0_src_h;
	config_0.bitrate    = mparam.c0_bitrate/1024; //* kb
	config_0.encodeType = mparam.c0_encoder_format;

	AWVideoInput_Init();

	if(AWVideoInput_Configure(channelId_0, &config_0))
	{
		aw_loge("config err, exit!");
		goto _exit;
	}
	AWVideoInput_Start(channelId_0, 1);
	if (get_yuv_frame_data(channelId_0, &config_0) != 0) {
		goto _exit;
	}
	if(thread != 0)
		pthread_join(thread, (void**)&ret);

	AWVideoInput_Start(mparam.use_vipp_num, 0);

_exit:
	exit_demo();
	return 0;
}