diff options
Diffstat (limited to 'libavutil/pixdesc.h')
| -rw-r--r-- | libavutil/pixdesc.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h index 31ddd2e378..7da17bcf12 100644 --- a/libavutil/pixdesc.h +++ b/libavutil/pixdesc.h @@ -96,10 +96,12 @@ typedef struct AVPixFmtDescriptor{ */ #define PIX_FMT_PSEUDOPAL 64 +#if FF_API_PIX_FMT_DESC /** * The array of all the pixel format descriptors. */ extern const AVPixFmtDescriptor av_pix_fmt_descriptors[]; +#endif /** * Read a line from an image, and write the values of the @@ -180,4 +182,25 @@ char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt */ int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc); +/** + * @return a pixel format descriptor for provided pixel format or NULL if + * this pixel format is unknown. + */ +const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt); + +/** + * Iterate over all pixel format descriptors known to libavutil. + * + * @param prev previous descriptor. NULL to get the first descriptor. + * + * @return next descriptor or NULL after the last descriptor + */ +const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev); + +/** + * @return an AVPixelFormat id described by desc, or AV_PIX_FMT_NONE if desc + * is not a valid pointer to a pixel format descriptor. + */ +enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc); + #endif /* AVUTIL_PIXDESC_H */ |