39 static WebPMuxError MuxGet(const WebPMux* const mux, CHUNK_INDEX idx,  in MuxGet()  argument
41   assert(mux != NULL);  in MuxGet()
45   SWITCH_ID_LIST(IDX_VP8X, mux->vp8x_);  in MuxGet()
46   SWITCH_ID_LIST(IDX_ICCP, mux->iccp_);  in MuxGet()
47   SWITCH_ID_LIST(IDX_ANIM, mux->anim_);  in MuxGet()
48   SWITCH_ID_LIST(IDX_EXIF, mux->exif_);  in MuxGet()
49   SWITCH_ID_LIST(IDX_XMP, mux->xmp_);  in MuxGet()
50   SWITCH_ID_LIST(IDX_UNKNOWN, mux->unknown_);  in MuxGet()
150   WebPMux* mux = NULL;  in WebPMuxCreateInternal()  local
173   mux = WebPMuxNew();  in WebPMuxCreateInternal()
174   if (mux == NULL) return NULL;  in WebPMuxCreateInternal()
224         if (MuxImagePush(wpi, &mux->images_) != WEBP_MUX_OK) goto Err;  in WebPMuxCreateInternal()
239         chunk_list = MuxGetChunkListFromId(mux, id);  // List to add this chunk.  in WebPMuxCreateInternal()
240         if (chunk_list == NULL) chunk_list = &mux->unknown_;  in WebPMuxCreateInternal()
250   if (MuxValidate(mux) != WEBP_MUX_OK) goto Err;  in WebPMuxCreateInternal()
253   return mux;  // All OK;  in WebPMuxCreateInternal()
258   WebPMuxDelete(mux);  in WebPMuxCreateInternal()
265 WebPMuxError WebPMuxGetFeatures(const WebPMux* mux, uint32_t* flags) {  in WebPMuxGetFeatures()  argument
268   if (mux == NULL || flags == NULL) return WEBP_MUX_INVALID_ARGUMENT;  in WebPMuxGetFeatures()
272   if (MuxGet(mux, IDX_VP8X, 1, &data) == WEBP_MUX_OK) {  in WebPMuxGetFeatures()
276     WebPMuxError err = MuxValidateForImage(mux);  // Check for single image.  in WebPMuxGetFeatures()
278     if (MuxHasLosslessImages(mux->images_)) {  in WebPMuxGetFeatures()
279       const WebPData* const vp8l_data = &mux->images_->img_->data_;  in WebPMuxGetFeatures()
349 WebPMuxError WebPMuxGetChunk(const WebPMux* mux, const char fourcc[4],  in WebPMuxGetChunk()  argument
352   if (mux == NULL || fourcc == NULL || chunk_data == NULL) {  in WebPMuxGetChunk()
359     return MuxGet(mux, idx, 1, chunk_data);  in WebPMuxGetChunk()
362         ChunkSearchList(mux->unknown_, 1, ChunkGetTagFromFourCC(fourcc));  in WebPMuxGetChunk()
404     const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame) {  in WebPMuxGetFrame()  argument
409   if (mux == NULL || frame == NULL) {  in WebPMuxGetFrame()
414   err = MuxImageGetNth((const WebPMuxImage**)&mux->images_, nth, &wpi);  in WebPMuxGetFrame()
425 WebPMuxError WebPMuxGetAnimationParams(const WebPMux* mux,  in WebPMuxGetAnimationParams()  argument
430   if (mux == NULL || params == NULL) return WEBP_MUX_INVALID_ARGUMENT;  in WebPMuxGetAnimationParams()
432   err = MuxGet(mux, IDX_ANIM, 1, &anim);  in WebPMuxGetAnimationParams()
463 WebPMuxError WebPMuxNumChunks(const WebPMux* mux,  in WebPMuxNumChunks()  argument
465   if (mux == NULL || num_elements == NULL) {  in WebPMuxNumChunks()
470     *num_elements = MuxImageCount(mux->images_, id);  in WebPMuxNumChunks()
472     WebPChunk* const* chunk_list = MuxGetChunkListFromId(mux, id);  in WebPMuxNumChunks()