static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { const enum PixelFormat srcFormat = c->srcFormat; const enum PixelFormat dstFormat = c->dstFormat; const int srcBpp = (c->srcFormatBpp + 7) >> 3; const int dstBpp = (c->dstFormatBpp + 7) >> 3; const int srcId = c->srcFormatBpp; const int dstId = c->dstFormatBpp; void (*conv)(const uint8_t *src, uint8_t *dst, int src_size) = NULL; #define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst) if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) { if ( CONV_IS(ABGR, RGBA) || CONV_IS(ARGB, BGRA) || CONV_IS(BGRA, ARGB) || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210; else if (CONV_IS(ABGR, ARGB) || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321; else if (CONV_IS(ABGR, BGRA) || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230; else if (CONV_IS(BGRA, RGBA) || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103; else if (CONV_IS(BGRA, ABGR) || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012; } else /* BGR -> BGR */ if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) || (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) { switch (srcId | (dstId << 16)) { case 0x000F0010: conv = rgb16to15; break; case 0x000F0018: conv = rgb24to15; break; case 0x000F0020: conv = rgb32to15; break; case 0x0010000F: conv = rgb15to16; break; case 0x00100018: conv = rgb24to16; break; case 0x00100020: conv = rgb32to16; break; case 0x0018000F: conv = rgb15to24; break; case 0x00180010: conv = rgb16to24; break; case 0x00180020: conv = rgb32to24; break; case 0x0020000F: conv = rgb15to32; break; case 0x00200010: conv = rgb16to32; break; case 0x00200018: conv = rgb24to32; break; } } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) || (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) { switch (srcId | (dstId << 16)) { case 0x000C000C: conv = rgb12tobgr12; break; case 0x000F000F: conv = rgb15tobgr15; break; case 0x000F0010: conv = rgb16tobgr15; break; case 0x000F0018: conv = rgb24tobgr15; break; case 0x000F0020: conv = rgb32tobgr15; break; case 0x0010000F: conv = rgb15tobgr16; break; case 0x00100010: conv = rgb16tobgr16; break; case 0x00100018: conv = rgb24tobgr16; break; case 0x00100020: conv = rgb32tobgr16; break; case 0x0018000F: conv = rgb15tobgr24; break; case 0x00180010: conv = rgb16tobgr24; break; case 0x00180018: conv = rgb24tobgr24; break; case 0x00180020: conv = rgb32tobgr24; break; case 0x0020000F: conv = rgb15tobgr32; break; case 0x00200010: conv = rgb16tobgr32; break; case 0x00200018: conv = rgb24tobgr32; break; } } if (!conv) { av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); } else { const uint8_t *srcPtr = src[0]; uint8_t *dstPtr = dst[0]; if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat)) srcPtr += ALT32_CORR; if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat)) dstPtr += ALT32_CORR; if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 && !(srcStride[0] % srcBpp)) conv(srcPtr, dstPtr + dstStride[0] * srcSliceY, srcSliceH * srcStride[0]); else { int i; dstPtr += dstStride[0] * srcSliceY; for (i = 0; i < srcSliceH; i++) { conv(srcPtr, dstPtr, c->srcW * srcBpp); srcPtr += srcStride[0]; dstPtr += dstStride[0]; } } } return srcSliceH; }