Hi All,
i had a look at AVPicture, and it is a tiny structure
typedef struct AVPicture {
uint8_t *data[4];
int linesize[4]; ///< number of bytes per line
} AVPicture;
For further image processing i need the linesize, but passing the full
struct is unhandy, since it will be passed through various api layers (
opengl .. opencl .. ). It would help very much in my case since a short
calculation takes less resources than passing multiple parameters around.
Is there a reliable way to derive the line size from eg. resolution and
/ or pixel format? Like eg. PIX_FMT_YUV420P has three line entries
(ycbcr), and the Y stride is XX and the cb/cr stride is half of that?
Thank you,
Horst
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