diff options
Diffstat (limited to 'libs/ffvpx/libavutil/pixdesc.h')
| -rw-r--r-- | libs/ffvpx/libavutil/pixdesc.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/libs/ffvpx/libavutil/pixdesc.h b/libs/ffvpx/libavutil/pixdesc.h index 1ab372782..c055810ae 100644 --- a/libs/ffvpx/libavutil/pixdesc.h +++ b/libs/ffvpx/libavutil/pixdesc.h @@ -167,12 +167,8 @@ typedef struct AVPixFmtDescriptor { /** * The pixel format has an alpha channel. This is set on all formats that - * support alpha in some way. The exception is AV_PIX_FMT_PAL8, which can - * carry alpha as part of the palette. Details are explained in the - * AVPixelFormat enum, and are also encoded in the corresponding - * AVPixFmtDescriptor. - * - * The alpha is always straight, never pre-multiplied. + * support alpha in some way, including AV_PIX_FMT_PAL8. The alpha is always + * straight, never pre-multiplied. * * If a codec or a filter does not support alpha, it should set all alpha to * opaque, or use the equivalent pixel formats without alpha component, e.g. @@ -347,7 +343,13 @@ char *av_get_pix_fmt_string(char *buf, int buf_size, * format writes the values corresponding to the palette * component c in data[1] to dst, rather than the palette indexes in * data[0]. The behavior is undefined if the format is not paletted. + * @param dst_element_size size of elements in dst array (2 or 4 byte) */ +void av_read_image_line2(void *dst, const uint8_t *data[4], + const int linesize[4], const AVPixFmtDescriptor *desc, + int x, int y, int c, int w, int read_pal_component, + int dst_element_size); + void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component); @@ -365,7 +367,12 @@ void av_read_image_line(uint16_t *dst, const uint8_t *data[4], * @param y the vertical coordinate of the first pixel to write * @param w the width of the line to write, that is the number of * values to write to the image line + * @param src_element_size size of elements in src array (2 or 4 byte) */ +void av_write_image_line2(const void *src, uint8_t *data[4], + const int linesize[4], const AVPixFmtDescriptor *desc, + int x, int y, int c, int w, int src_element_size); + void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4], const AVPixFmtDescriptor *desc, int x, int y, int c, int w); |