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lavc: remove disabled FF_API_GET_ALPHA_INFO cruft.

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This commit is contained in:
Anton Khirnov 2012-01-22 10:56:42 +01:00
parent 99ace37e68
commit 8b9b6041d7
3 changed files with 0 additions and 65 deletions
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13
libavcodec/avcodec.h
View file

@ -3370,19 +3370,6 @@ int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_
enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
int has_alpha, int *loss_ptr);
#if FF_API_GET_ALPHA_INFO
#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
/**
* Tell if an image really has transparent alpha values.
* @return ored mask of FF_ALPHA_xxx constants
*/
attribute_deprecated
int img_get_alpha_info(const AVPicture *src,
enum PixelFormat pix_fmt, int width, int height);
#endif
/* deinterlace a picture */
/* deinterlace - if not supported return -1 */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,

49
libavcodec/imgconvert.c
View file

@ -855,55 +855,6 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
return 0;
}
#if FF_API_GET_ALPHA_INFO
/* NOTE: we scan all the pixels to have an exact information */
static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
{
const unsigned char *p;
int src_wrap, ret, x, y;
unsigned int a;
uint32_t *palette = (uint32_t *)src->data[1];
p = src->data[0];
src_wrap = src->linesize[0] - width;
ret = 0;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
a = palette[p[0]] >> 24;
if (a == 0x00) {
ret |= FF_ALPHA_TRANSP;
} else if (a != 0xff) {
ret |= FF_ALPHA_SEMI_TRANSP;
}
p++;
}
p += src_wrap;
}
return ret;
}
int img_get_alpha_info(const AVPicture *src,
enum PixelFormat pix_fmt, int width, int height)
{
const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
int ret;
/* no alpha can be represented in format */
if (!pf->is_alpha)
return 0;
switch(pix_fmt) {
case PIX_FMT_PAL8:
ret = get_alpha_info_pal8(src, width, height);
break;
default:
/* we do not know, so everything is indicated */
ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP;
break;
}
return ret;
}
#endif
#if !(HAVE_MMX && HAVE_YASM)
/* filter parameters: [-1 4 2 4 -1] // 8 */
static void deinterlace_line_c(uint8_t *dst,

3
libavcodec/version.h
View file

@ -41,9 +41,6 @@
#ifndef FF_API_REQUEST_CHANNELS
#define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_GET_ALPHA_INFO
#define FF_API_GET_ALPHA_INFO (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_PARSE_FRAME
#define FF_API_PARSE_FRAME (LIBAVCODEC_VERSION_MAJOR < 54)
#endif