435 WebPChunk** MuxGetChunkListFromId(const WebPMux* mux, WebPChunkId id) {  in MuxGetChunkListFromId()  argument
436   assert(mux != NULL);  in MuxGetChunkListFromId()
438     case WEBP_CHUNK_VP8X:    return (WebPChunk**)&mux->vp8x_;  in MuxGetChunkListFromId()
439     case WEBP_CHUNK_ICCP:    return (WebPChunk**)&mux->iccp_;  in MuxGetChunkListFromId()
440     case WEBP_CHUNK_ANIM:    return (WebPChunk**)&mux->anim_;  in MuxGetChunkListFromId()
441     case WEBP_CHUNK_EXIF:    return (WebPChunk**)&mux->exif_;  in MuxGetChunkListFromId()
442     case WEBP_CHUNK_XMP:     return (WebPChunk**)&mux->xmp_;  in MuxGetChunkListFromId()
443     case WEBP_CHUNK_UNKNOWN: return (WebPChunk**)&mux->unknown_;  in MuxGetChunkListFromId()
448 WebPMuxError MuxValidateForImage(const WebPMux* const mux) {  in MuxValidateForImage()  argument
449   const int num_images = MuxImageCount(mux->images_, WEBP_CHUNK_IMAGE);  in MuxValidateForImage()
450   const int num_frames = MuxImageCount(mux->images_, WEBP_CHUNK_ANMF);  in MuxValidateForImage()
451   const int num_fragments = MuxImageCount(mux->images_, WEBP_CHUNK_FRGM);  in MuxValidateForImage()
475 static WebPMuxError ValidateChunk(const WebPMux* const mux, CHUNK_INDEX idx,  in ValidateChunk()  argument
480       WebPMuxNumChunks(mux, kChunks[idx].id, num);  in ValidateChunk()
489 WebPMuxError MuxValidate(const WebPMux* const mux) {  in MuxValidate()  argument
503   if (mux == NULL) return WEBP_MUX_INVALID_ARGUMENT;  in MuxValidate()
506   if (mux->images_ == NULL) return WEBP_MUX_INVALID_ARGUMENT;  in MuxValidate()
508   err = WebPMuxGetFeatures(mux, &flags);  in MuxValidate()
512   err = ValidateChunk(mux, IDX_ICCP, ICCP_FLAG, flags, 1, &num_iccp);  in MuxValidate()
516   err = ValidateChunk(mux, IDX_EXIF, EXIF_FLAG, flags, 1, &num_exif);  in MuxValidate()
520   err = ValidateChunk(mux, IDX_XMP, XMP_FLAG, flags, 1, &num_xmp);  in MuxValidate()
525   err = ValidateChunk(mux, IDX_ANIM, NO_FLAG, flags, 1, &num_anim);  in MuxValidate()
527   err = ValidateChunk(mux, IDX_ANMF, NO_FLAG, flags, -1, &num_frames);  in MuxValidate()
541   err = ValidateChunk(mux, IDX_FRGM, FRAGMENTS_FLAG, flags, -1, &num_fragments);  in MuxValidate()
546   err = ValidateChunk(mux, IDX_VP8X, NO_FLAG, flags, 1, &num_vp8x);  in MuxValidate()
548   err = ValidateChunk(mux, IDX_VP8, NO_FLAG, flags, -1, &num_images);  in MuxValidate()
553   if (MuxHasLosslessImages(mux->images_)) {  in MuxValidate()
559       err = ValidateChunk(mux, IDX_ALPHA, ALPHA_FLAG, flags, -1, &num_alpha);  in MuxValidate()