Sets altImageMetadata's metadata values to represent the "alternate" image as if applying the gain map to the base image. For grid images, imageWithGainMap is the metadata of the first cell. gridWidth and gridHeight are the dimensions of the full image.
| 1048 | // For grid images, imageWithGainMap is the metadata of the first cell. gridWidth and gridHeight are the dimensions of the |
| 1049 | // full image. |
| 1050 | static avifResult avifImageCopyAltImageMetadata(avifImage * altImageMetadata, const avifImage * imageWithGainMap, uint32_t gridWidth, uint32_t gridHeight) |
| 1051 | { |
| 1052 | altImageMetadata->width = gridWidth; |
| 1053 | altImageMetadata->height = gridHeight; |
| 1054 | AVIF_CHECKRES(avifRWDataSet(&altImageMetadata->icc, imageWithGainMap->gainMap->altICC.data, imageWithGainMap->gainMap->altICC.size)); |
| 1055 | altImageMetadata->colorPrimaries = imageWithGainMap->gainMap->altColorPrimaries; |
| 1056 | altImageMetadata->transferCharacteristics = imageWithGainMap->gainMap->altTransferCharacteristics; |
| 1057 | altImageMetadata->matrixCoefficients = imageWithGainMap->gainMap->altMatrixCoefficients; |
| 1058 | altImageMetadata->yuvRange = imageWithGainMap->gainMap->altYUVRange; |
| 1059 | altImageMetadata->depth = imageWithGainMap->gainMap->altDepth |
| 1060 | ? imageWithGainMap->gainMap->altDepth |
| 1061 | : AVIF_MAX(imageWithGainMap->depth, imageWithGainMap->gainMap->image->depth); |
| 1062 | altImageMetadata->yuvFormat = (imageWithGainMap->gainMap->altPlaneCount == 1) ? AVIF_PIXEL_FORMAT_YUV400 : AVIF_PIXEL_FORMAT_YUV444; |
| 1063 | altImageMetadata->clli = imageWithGainMap->gainMap->altCLLI; |
| 1064 | return AVIF_RESULT_OK; |
| 1065 | } |
| 1066 | |
| 1067 | static avifResult avifEncoderWriteSampleTransformTokens(avifRWStream * s, const avifSampleTransformExpression * expression) |
| 1068 | { |
no test coverage detected