diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index fc75c7d5da..b5d3e76f1c 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -255,6 +255,92 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], return srcSliceH; } +static void gbr24ptopacked24(const uint8_t* src[], int srcStride[], uint8_t* dst, int dstStride, int srcSliceH, int width) +{ + int x, h, i; + for (h = 0; h < srcSliceH; h++) { + uint8_t *dest = dst + dstStride * h; + for (x = 0; x < width; x++) { + *dest++ = src[0][x]; + *dest++ = src[1][x]; + *dest++ = src[2][x]; + } + + for (i = 0; i < 3; i++) + src[i] += srcStride[i]; + } +} + +static void gbr24ptopacked32(const uint8_t* src[], int srcStride[], uint8_t* dst, int dstStride, int srcSliceH, int alpha_first, int width) +{ + int x, h, i; + for (h = 0; h < srcSliceH; h++) { + uint8_t *dest = dst + dstStride * h; + + if (alpha_first) { + for (x = 0; x < width; x++) { + *dest++ = 0xff; + *dest++ = src[0][x]; + *dest++ = src[1][x]; + *dest++ = src[2][x]; + } + } else { + for (x = 0; x < width; x++) { + *dest++ = src[0][x]; + *dest++ = src[1][x]; + *dest++ = src[2][x]; + *dest++ = 0xff; + } + } + + for (i = 0; i < 3; i++) + src[i] += srcStride[i]; + } +} + +static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]) +{ + int alpha_first = 0; + if (c->srcFormat != PIX_FMT_GBR24P) { + av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", + av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); + return srcSliceH; + } + + switch (c->dstFormat) { + case PIX_FMT_BGR24: + gbr24ptopacked24((const uint8_t* []) {src[1], src[0], src[2]}, (int []) {srcStride[1], srcStride[0], srcStride[2]}, + dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, c->srcW); + break; + + case PIX_FMT_RGB24: + gbr24ptopacked24((const uint8_t* []) {src[2], src[0], src[1]}, (int []) {srcStride[2], srcStride[0], srcStride[1]}, + dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, c->srcW); + break; + + case PIX_FMT_ARGB: + alpha_first = 1; + case PIX_FMT_RGBA: + gbr24ptopacked32((const uint8_t* []) {src[2], src[0], src[1]}, (int []) {srcStride[2], srcStride[0], srcStride[1]}, + dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, alpha_first, c->srcW); + break; + + case PIX_FMT_ABGR: + alpha_first = 1; + case PIX_FMT_BGRA: + gbr24ptopacked32((const uint8_t* []) {src[1], src[0], src[2]}, (int []) {srcStride[1], srcStride[0], srcStride[2]}, + dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, alpha_first, c->srcW); + break; + + default: + av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", + av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); + } + + return srcSliceH; +} + #define isRGBA32(x) ( \ (x) == PIX_FMT_ARGB \ || (x) == PIX_FMT_RGBA \ @@ -608,6 +694,9 @@ void ff_get_unscaled_swscale(SwsContext *c) && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) c->swScale= rgbToRgbWrapper; + if (isAnyRGB(srcFormat) && isPlanar(srcFormat) && isAnyRGB(dstFormat) && !isPlanar(dstFormat)) + c->swScale= planarRgbToRgbWrapper; + if ((usePal(srcFormat) && ( dstFormat == PIX_FMT_RGB32 || dstFormat == PIX_FMT_RGB32_1 ||