windows下利用x264视频编码h264源码

/*********************************************************************** *作者：HJL *编写日期：2015.7.16 *效果：x264软件编码，将输入的yuv视频文件编码为h264视频文件 *程序中要设置2处： *1.设置视频的宽高 *2.设置待转码yuv视频的路径 ************************************************************************/ #include <iostream> #include <string> #include "stdint.h" //#include <time.h> extern "C" { #include "x264.h" #include "x264_config.h" }; int main(int argc, char** argv) { /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// //设置视频的宽度、高度 int width = 480; int height = 272; /////////////////////////////////////////////////////////// int fps = 25;//设置帧率 size_t yuv_size = width * height * 3 / 2; x264_t *encoder; x264_picture_t pic_in, pic_out; uint8_t *yuv_buffer; x264_param_t param; x264_param_default_preset(&param, "veryfast", "zerolatency"); param.i_threads = 1; param.i_width = width; param.i_height = height; param.i_fps_num = fps;//视频数据帧率 param.i_fps_den = 1; param.i_keyint_max = 25; param.b_intra_refresh = 1; param.b_annexb = 1; x264_param_apply_profile(&param, "baseline"); encoder = x264_encoder_open(&param); x264_picture_alloc(&pic_in, X264_CSP_I420, width, height); yuv_buffer =(uint8_t*) malloc(yuv_size); pic_in.img.plane[0] = yuv_buffer; pic_in.img.plane[1] = pic_in.img.plane[0] + width * height; pic_in.img.plane[2] = pic_in.img.plane[1] + width * height / 4; int64_t i_pts = 0; x264_nal_t *nals; int nnal; ///////////////////////////////////////////////////////////////////////////// //读取yuv视频文件，即待转码yuv文件 FILE *inf=fopen("ds_480x272.yuv","rb"); //* 创建文件,用于存储编码数据 FILE *outf=fopen("test.h264","ab"); if(NULL==inf) { return -1; } //clock_t start,end; //float cpuTime; //start=time(NULL); while (fread(yuv_buffer, 1, yuv_size,inf) > 0) { pic_in.i_pts = i_pts++; x264_encoder_encode(encoder, &nals, &nnal, &pic_in, &pic_out); x264_nal_t *nal; for (nal = nals; nal < nals + nnal; nal++) { fwrite( nal->p_payload, 1, nal->i_payload,outf);//写h264 } } //end=time(NULL); //cpuTime=(float)(end-start); //printf("cuptime= %f mseconds\n",cpuTime); x264_encoder_close(encoder); fclose(inf); fclose(outf); free(yuv_buffer); return 0; }