diff options
Diffstat (limited to 'libswscale/swscale_unscaled.c')
| -rw-r--r-- | libswscale/swscale_unscaled.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index 67440cdb4a..5fb572b51a 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -491,6 +491,34 @@ static int bswap_16bpc(SwsContext *c, const uint8_t *src[], return srcSliceH; } +static int bswap_32bpc(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int i, j, p; + + for (p = 0; p < 4; p++) { + int srcstr = srcStride[p] / 4; + int dststr = dstStride[p] / 4; + uint32_t *dstPtr = (uint32_t *) dst[p]; + const uint32_t *srcPtr = (const uint32_t *) src[p]; + int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr)); + if(!dstPtr || !srcPtr) + continue; + dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr; + for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) { + for (j = 0; j < min_stride; j++) { + dstPtr[j] = av_bswap32(srcPtr[j]); + } + srcPtr += srcstr; + dstPtr += dststr; + } + } + + return srcSliceH; +} + + static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) @@ -2077,6 +2105,11 @@ void ff_get_unscaled_swscale(SwsContext *c) IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16)) c->swscale = bswap_16bpc; + /* bswap 32 bits per pixel/component formats */ + if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRPF32) || + IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAPF32)) + c->swscale = bswap_32bpc; + if (usePal(srcFormat) && isByteRGB(dstFormat)) c->swscale = palToRgbWrapper; |