static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* const data, size_t data_size, int* const width, int* const height, WebPDecBuffer* const keep_info) { WebPDecParams params; WebPDecBuffer output; WebPInitDecBuffer(&output); WebPResetDecParams(¶ms); params.output = &output; output.colorspace = mode; // Retrieve (and report back) the required dimensions from bitstream. if (!WebPGetInfo(data, data_size, &output.width, &output.height)) { return NULL; } if (width != NULL) *width = output.width; if (height != NULL) *height = output.height; // Decode if (DecodeInto(data, data_size, ¶ms) != VP8_STATUS_OK) { return NULL; } if (keep_info != NULL) { // keep track of the side-info WebPCopyDecBuffer(&output, keep_info); } // return decoded samples (don't clear 'output'!) return WebPIsRGBMode(mode) ? output.u.RGBA.rgba : output.u.YUVA.y; }
static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* const data, size_t data_size, int* const width, int* const height, WebPDecBuffer* const keep_info) { WebPDecParams params; WebPDecBuffer output; WebPInitDecBuffer(&output); WebPResetDecParams(¶ms); params.output = &output; output.colorspace = mode; if (!WebPGetInfo(data, data_size, &output.width, &output.height)) { return NULL; } if (width != NULL) *width = output.width; if (height != NULL) *height = output.height; if (DecodeInto(data, data_size, ¶ms) != VP8_STATUS_OK) { return NULL; } if (keep_info != NULL) { WebPCopyDecBuffer(&output, keep_info); } return WebPIsRGBMode(mode) ? output.u.RGBA.rgba : output.u.YUVA.y; }