libx264libfdk_aac编码解码详解

 1 read_jpeg(file_image, &video_width, &video_height, &image_buff);
 2 
 3 uint8_t *indata[AV_NUM_DATA_POINTERS] = { 0 };
 4 indata[0] = (uint8_t *)image_buff;
 5 int inlinesize[AV_NUM_DATA_POINTERS] = { 0 };
 6 inlinesize[0] = frame->width * 3;
 7 
 8 ret = sws_scale(sws_ctx, indata, inlinesize, 0, frame->height, frame->data, frame->linesize);
 9 
10 for (int j = 0; j <3; j++)
11 {
12     printf("j:%d linesize in:%d out:%d\n", j, inlinesize[j], frame->linesize[j]);
13 }

 1 //方法1
 2 if (0 > x264_picture_alloc(&m_pic, m_param.i_csp, m_param.i_width, m_param.i_height*2))
 3 {
 4     printf("x264 [error]: malloc failed\n");
 5     return -1;
 6 }
 7 
 8 memcpy(m_pic.img.plane[0], frame->data[0], frame->linesize[0]*frame->height);
 9 m_pic.img.i_stride[0] = frame->linesize[0];
10 
11 memcpy(m_pic.img.plane[1], frame->data[1], frame->linesize[1]*frame->height/2);
12 m_pic.img.i_stride[1] = frame->linesize[1];
13 
14 memcpy(m_pic.img.plane[2], frame->data[2], frame->linesize[2]*frame->height/2);
15 m_pic.img.i_stride[2] = frame->linesize[2];
16 
17 //方法2
18 if (0 > x264_picture_alloc(&m_pic, m_param.i_csp, m_param.i_width, m_param.i_height))
19 {
20     printf("x264 [error]: malloc failed\n");
21     return -1;
22 }
23 sws_scale(sws_ctx, indata, inlinesize, 0, frame->height, m_pic.img.plane, m_pic.img.i_stride);

 1 x264 [debug]: frame=   0 QP=19.71 NAL=3 Slice:I Poc:0   I:396  P:0    SKIP:0    size=9052 bytes
 2 frame_size:9052
 3 file_image:img//image-00042.jpg
 4 Send frame 41
 5 x264 [debug]: frame=   1 QP=20.29 NAL=2 Slice:P Poc:2   I:6    P:140  SKIP:250  size=836 bytes
 6 frame_size:836
 7 file_image:img//image-00043.jpg
 8 Send frame 42
 9 x264 [debug]: frame=   2 QP=19.75 NAL=2 Slice:P Poc:4   I:0    P:43   SKIP:353  size=132 bytes
10 frame_size:132