diff options
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 2b02dd3dfd..81f475c6e2 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -1424,12 +1424,12 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], if (usePal(srcFormat)) { switch (dstFormat) { - case PIX_FMT_RGB32 : conv = palette8topacked32; break; - case PIX_FMT_BGR32 : conv = palette8topacked32; break; - case PIX_FMT_BGR32_1: conv = palette8topacked32; break; - case PIX_FMT_RGB32_1: conv = palette8topacked32; break; - case PIX_FMT_RGB24 : conv = palette8topacked24; break; - case PIX_FMT_BGR24 : conv = palette8topacked24; break; + case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break; + case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break; + case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break; + case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break; + case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break; + case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break; } } @@ -1962,3 +1962,26 @@ int sws_scale_ordered(SwsContext *c, const uint8_t* const src[], int srcStride[] return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); } #endif + +/* Convert the palette to the same packed 32-bit format as the palette */ +void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) +{ + long i; + + for (i=0; i<num_pixels; i++) + ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]]; +} + +/* Palette format: ABCD -> dst format: ABC */ +void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) +{ + long i; + + for (i=0; i<num_pixels; i++) { + //FIXME slow? + dst[0]= palette[src[i]*4+0]; + dst[1]= palette[src[i]*4+1]; + dst[2]= palette[src[i]*4+2]; + dst+= 3; + } +} |