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x264_encoder.c
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x264_encoder.c
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/*
* @file x264_encoder.c
* @author Akagi201
* @date 2014/12/31
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "lwlog/lwlog.h"
#include "x264.h"
int main(int argc, char **argv) {
int ret = 0;
int y_size = 0;
int i = 0;
int j = 0;
//Encode 50 frame
//if set 0, encode all frame
int frame_num = 50;
int csp = X264_CSP_I420;
int width = 640;
int height = 360;
int i_nal = 0;
x264_nal_t *p_nals = NULL;
x264_t *p_handle = NULL;
x264_picture_t *p_pic_in = (x264_picture_t *) malloc(sizeof(x264_picture_t));
x264_picture_t *p_pic_out = (x264_picture_t *) malloc(sizeof(x264_picture_t));
x264_param_t *p_param = (x264_param_t *) malloc(sizeof(x264_param_t));
//FILE* fp_src = fopen("../cuc_ieschool_640x360_yuv444p.yuv", "rb");
FILE *fp_src = fopen("../cuc_ieschool_640x360_yuv420p.yuv", "rb");
FILE *fp_dst = fopen("cuc_ieschool.h264", "wb");
//Check
if ((NULL == fp_src) || (NULL == fp_dst)) {
lwlog_err("Open files error.");
return -1;
}
x264_param_default(p_param);
p_param->i_width = width;
p_param->i_height = height;
/*
//Param
p_param->i_log_level = X264_LOG_DEBUG;
p_param->i_threads = X264_SYNC_LOOKAHEAD_AUTO;
p_param->i_frame_total = 0;
p_param->i_keyint_max = 10;
p_param->i_bframe = 5;
p_param->b_open_gop = 0;
p_param->i_bframe_pyramid = 0;
p_param->rc.i_qp_constant=0;
p_param->rc.i_qp_max=0;
p_param->rc.i_qp_min=0;
p_param->i_bframe_adaptive = X264_B_ADAPT_TRELLIS;
p_param->i_fps_den = 1;
p_param->i_fps_num = 25;
p_param->i_timebase_den = p_param->i_fps_num;
p_param->i_timebase_num = p_param->i_fps_den;
*/
p_param->i_csp = csp;
x264_param_apply_profile(p_param, x264_profile_names[5]);
p_handle = x264_encoder_open(p_param);
x264_picture_init(p_pic_out);
x264_picture_alloc(p_pic_in, csp, p_param->i_width, p_param->i_height);
//ret = x264_encoder_headers(p_handle, &p_nals, &i_nal);
y_size = p_param->i_width * p_param->i_height;
//detect frame number
if (0 == frame_num) {
fseek(fp_src, 0, SEEK_END);
switch (csp) {
case X264_CSP_I444:
frame_num = ftell(fp_src) / (y_size * 3);
break;
case X264_CSP_I420:
frame_num = ftell(fp_src) / (y_size * 3 / 2);
break;
default:
lwlog_err("Colorspace Not Support");
return -1;
}
fseek(fp_src, 0, SEEK_SET);
}
//Loop to Encode
for (i = 0; i < frame_num; ++i) {
switch (csp) {
case X264_CSP_I444: {
fread(p_pic_in->img.plane[0], y_size, 1, fp_src); //Y
fread(p_pic_in->img.plane[1], y_size, 1, fp_src); //U
fread(p_pic_in->img.plane[2], y_size, 1, fp_src); //V
break;
}
case X264_CSP_I420: {
fread(p_pic_in->img.plane[0], y_size, 1, fp_src); //Y
fread(p_pic_in->img.plane[1], y_size / 4, 1, fp_src); //U
fread(p_pic_in->img.plane[2], y_size / 4, 1, fp_src); //V
break;
}
default: {
lwlog_err("Colorspace Not Support.\n");
return -1;
}
}
p_pic_in->i_pts = i;
ret = x264_encoder_encode(p_handle, &p_nals, &i_nal, p_pic_in, p_pic_out);
if (ret < 0) {
lwlog_err("x264_encoder_encode error");
return -1;
}
lwlog_info("Succeed encode frame: %5d\n", i);
for (j = 0; j < i_nal; ++j) {
fwrite(p_nals[j].p_payload, 1, p_nals[j].i_payload, fp_dst);
}
}
i = 0;
//flush encoder
while (1) {
ret = x264_encoder_encode(p_handle, &p_nals, &i_nal, NULL, p_pic_out);
if (0 == ret) {
break;
}
lwlog_info("Flush 1 frame.");
for (j = 0; j < i_nal; ++j) {
fwrite(p_nals[j].p_payload, 1, p_nals[j].i_payload, fp_dst);
}
++i;
}
x264_picture_clean(p_pic_in);
x264_encoder_close(p_handle);
p_handle = NULL;
free(p_pic_in);
free(p_pic_out);
free(p_param);
fclose(fp_src);
fclose(fp_dst);
return 0;
}