On 08/01/13 15:35, Anton Khirnov wrote:
> +enum AVFrameSideDataType {
> + /**
> + * The data is the AVPanScan struct defined in libavcodec.
> + */
> + AV_FRAME_DATA_PANSCAN,
> +};
> +
> +typedef struct AVFrameSideData {
> + enum AVFrameSideDataType type;
> + uint8_t *data;
> + int size;
> +} AVFrameSideData;
Since the side data is not something we store would be better having
something like:
typedef struct AVFrameInfo {
enum AVFrameInfoType type;
void *info;
void (*cleanup)(void *info);
} AVFrameInfo;
Those pointers will remain alive till the avframe is reclaimed.
I'd also leverage the avcodec capability system to make optional
publishing informations (motion vectors and such).
lu
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