08-03-视频编码实战1

https://ke.qq.com/course/468797?tuin=137bb271

FFmpeg

YUV

h264

startcode

av_frame_get_buffer:

buffer

format(

channel_layout(

)

av_frame_make_writable

av_image_fill_arrays:

AVFrame

h264

ffplay

int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align);

linesizes[4]

w:

h:

pix_fmt:

align:

int av_image_fill_arrays(uint8_t *dst_data[4], int dst_linesize[4], const uint8_t *src, enum

AVPixelFormat pix_fmt, int width, int height, int align);

av_image_fill_arrays()

av_malloc()

height: [in]

scr

align: [in]

src

