103   WebPChunk subchunk;  in MuxImageParse()  local
105   ChunkInit(&subchunk);  in MuxImageParse()
117     ChunkAssignData(&subchunk, &temp, copy_data, chunk->tag_);  in MuxImageParse()
119   ChunkSetNth(&subchunk, &wpi->header_, 1);  in MuxImageParse()
123   subchunk_size = ChunkDiskSize(&subchunk) - CHUNK_HEADER_SIZE;  in MuxImageParse()
128     ChunkInit(&subchunk);  in MuxImageParse()
129     if (ChunkVerifyAndAssign(&subchunk, bytes, size, size,  in MuxImageParse()
133     switch (ChunkGetIdFromTag(subchunk.tag_)) {  in MuxImageParse()
136         if (ChunkSetNth(&subchunk, &wpi->alpha_, 1) != WEBP_MUX_OK) goto Fail;  in MuxImageParse()
140         if (ChunkSetNth(&subchunk, &wpi->img_, 1) != WEBP_MUX_OK) goto Fail;  in MuxImageParse()
147         if (ChunkSetNth(&subchunk, &wpi->unknown_, 0) != WEBP_MUX_OK) goto Fail;  in MuxImageParse()
153     subchunk_size = ChunkDiskSize(&subchunk);  in MuxImageParse()
161   ChunkRelease(&subchunk);  in MuxImageParse()