138     const WebPMuxImage* wpi;  in GetImageData()  local
141     wpi = mux->images_;  in GetImageData()
142     assert(wpi != NULL && wpi->img_ != NULL);  in GetImageData()
143     *image = wpi->img_->data_;  in GetImageData()
144     if (wpi->alpha_ != NULL) {  in GetImageData()
145       *alpha = wpi->alpha_->data_;  in GetImageData()
216     const WebPData* const bitstream, int copy_data, WebPMuxImage* const wpi) {  in SetAlphaAndImageChunks()  argument
225                              &wpi->alpha_);  in SetAlphaAndImageChunks()
228   err = AddDataToChunkList(&image, copy_data, image_tag, &wpi->img_);  in SetAlphaAndImageChunks()
230   return MuxImageFinalize(wpi) ? WEBP_MUX_OK : WEBP_MUX_INVALID_ARGUMENT;  in SetAlphaAndImageChunks()
235   WebPMuxImage wpi;  in WebPMuxSetImage()  local
249   MuxImageInit(&wpi);  in WebPMuxSetImage()
250   err = SetAlphaAndImageChunks(bitstream, copy_data, &wpi);  in WebPMuxSetImage()
254   err = MuxImagePush(&wpi, &mux->images_);  in WebPMuxSetImage()
261   MuxImageRelease(&wpi);  in WebPMuxSetImage()
267   WebPMuxImage wpi;  in WebPMuxPushFrame()  local
289   MuxImageInit(&wpi);  in WebPMuxPushFrame()
290   err = SetAlphaAndImageChunks(&info->bitstream, copy_data, &wpi);  in WebPMuxPushFrame()
292   assert(wpi.img_ != NULL);  // As SetAlphaAndImageChunks() was successful.  in WebPMuxPushFrame()
307     err = CreateFrameData(wpi.width_, wpi.height_, &tmp, &frame);  in WebPMuxPushFrame()
310     err = AddDataToChunkList(&frame, 1, tag, &wpi.header_);  in WebPMuxPushFrame()
316   err = MuxImagePush(&wpi, &mux->images_);  in WebPMuxPushFrame()
323   MuxImageRelease(&wpi);  in WebPMuxPushFrame()
405 static WebPMuxError GetImageInfo(const WebPMuxImage* const wpi,  in GetImageInfo()  argument
409   const WebPChunk* const frame_chunk = wpi->header_;  in GetImageInfo()
411   assert(wpi != NULL);  in GetImageInfo()
419   if (width != NULL) *width = wpi->width_;  in GetImageInfo()
420   if (height != NULL) *height = wpi->height_;  in GetImageInfo()
427   WebPMuxImage* wpi = NULL;  in GetAdjustedCanvasSize()  local
431   wpi = mux->images_;  in GetAdjustedCanvasSize()
432   assert(wpi != NULL);  in GetAdjustedCanvasSize()
433   assert(wpi->img_ != NULL);  in GetAdjustedCanvasSize()
435   if (wpi->next_ != NULL) {  in GetAdjustedCanvasSize()
438     assert(wpi->header_ != NULL);  in GetAdjustedCanvasSize()
440     for (; wpi != NULL; wpi = wpi->next_) {  in GetAdjustedCanvasSize()
442       const WebPMuxError err = GetImageInfo(wpi, &x_offset, &y_offset,  in GetAdjustedCanvasSize()
457     *width = wpi->width_;  in GetAdjustedCanvasSize()
458     *height = wpi->height_;  in GetAdjustedCanvasSize()