/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % H H EEEEE IIIII CCCC % % H H E I C % % HHHHH EEE I C % % H H E I C % % H H EEEEE IIIII CCCC % % % % % % Read/Write Heic Image Format % % % % Dirk Farin % % April 2018 % % % % Copyright 2018 Struktur AG % % % % Anton Kortunov % % December 2017 % % % % Copyright 2017-2018 YANDEX LLC. % % % % Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % https://imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "MagickCore/studio.h" #include "MagickCore/artifact.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/client.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/property.h" #include "MagickCore/display.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/image.h" #include "MagickCore/image-private.h" #include "MagickCore/list.h" #include "MagickCore/magick.h" #include "MagickCore/monitor.h" #include "MagickCore/monitor-private.h" #include "MagickCore/montage.h" #include "MagickCore/transform.h" #include "MagickCore/distort.h" #include "MagickCore/memory_.h" #include "MagickCore/memory-private.h" #include "MagickCore/option.h" #include "MagickCore/pixel-accessor.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/string-private.h" #include "MagickCore/module.h" #include "MagickCore/utility.h" #if defined(MAGICKCORE_HEIC_DELEGATE) #if defined(MAGICKCORE_WINDOWS_SUPPORT) #include #else #include #endif #endif #if defined(MAGICKCORE_HEIC_DELEGATE) /* Define declarations. */ #define XmpNamespaceExtent 28 /* Const declarations. */ static const char xmp_namespace[] = "http://ns.adobe.com/xap/1.0/ "; /* Forward declarations. */ static MagickBooleanType WriteHEICImage(const ImageInfo *,Image *,ExceptionInfo *); /*x %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d H E I C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadHEICImage retrieves an image via a file descriptor, decodes the image, % and returns it. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the ReadHEICImage method is: % % Image *ReadHEICImage(const ImageInfo *image_info, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static MagickBooleanType IsHeifSuccess(Image *image,struct heif_error *error, ExceptionInfo *exception) { if (error->code == 0) return(MagickTrue); ThrowBinaryException(CorruptImageError,error->message,image->filename); } static MagickBooleanType ReadHEICColorProfile(Image *image, struct heif_image_handle *image_handle,ExceptionInfo *exception) { size_t length; /* Read color profile. */ #if LIBHEIF_NUMERIC_VERSION >= 0x01040000 length=heif_image_handle_get_raw_color_profile_size(image_handle); if (length > 0) { unsigned char *color_buffer; if ((MagickSizeType) length > GetBlobSize(image)) ThrowBinaryException(CorruptImageError,"InsufficientImageDataInFile", image->filename); color_buffer=(unsigned char *) AcquireQuantumMemory(1,length); if (color_buffer != (unsigned char *) NULL) { struct heif_error error; error=heif_image_handle_get_raw_color_profile(image_handle, color_buffer); if (error.code == 0) { StringInfo *profile; profile=BlobToStringInfo(color_buffer,length); if (profile != (StringInfo*) NULL) { (void) SetImageProfile(image,"icc",profile,exception); profile=DestroyStringInfo(profile); } } } color_buffer=(unsigned char *) RelinquishMagickMemory(color_buffer); } #endif return(MagickTrue); } static MagickBooleanType ReadHEICExifProfile(Image *image, struct heif_image_handle *image_handle,ExceptionInfo *exception) { heif_item_id exif_id; int count; /* Read Exif profile. */ count=heif_image_handle_get_list_of_metadata_block_IDs(image_handle,"Exif", &exif_id,1); if (count > 0) { size_t exif_size; unsigned char *exif_buffer; exif_size=heif_image_handle_get_metadata_size(image_handle,exif_id); if ((MagickSizeType) exif_size > GetBlobSize(image)) ThrowBinaryException(CorruptImageError,"InsufficientImageDataInFile", image->filename); exif_buffer=(unsigned char *) AcquireQuantumMemory(1,exif_size); if (exif_buffer != (unsigned char *) NULL) { struct heif_error error; error=heif_image_handle_get_metadata(image_handle, exif_id,exif_buffer); if (error.code == 0) { StringInfo *profile; /* Skip first 4 bytes, the offset to the TIFF header. */ profile=(StringInfo*) NULL; if (exif_size > 8) profile=BlobToStringInfo(exif_buffer+4,(size_t) exif_size-4); if (profile != (StringInfo*) NULL) { (void) SetImageProfile(image,"exif",profile,exception); profile=DestroyStringInfo(profile); } } } exif_buffer=(unsigned char *) RelinquishMagickMemory(exif_buffer); } return(MagickTrue); } static inline MagickBooleanType HEICSkipImage(const ImageInfo *image_info, Image *image) { if (image_info->number_scenes == 0) return(MagickFalse); if (image->scene == 0) return(MagickFalse); if (image->scene < image_info->scene) return(MagickTrue); if (image->scene > image_info->scene+image_info->number_scenes-1) return(MagickTrue); return(MagickFalse); } static MagickBooleanType ReadHEICImageByID(const ImageInfo *image_info, Image *image,struct heif_image_handle *image_handle, ExceptionInfo *exception) { const uint8_t *p; int stride = 0; MagickBooleanType preserve_orientation, status; ssize_t y; struct heif_decoding_options *decode_options; struct heif_error error; struct heif_image *heif_image; /* Read HEIC image from container. */ image->columns=(size_t) heif_image_handle_get_width(image_handle); image->rows=(size_t) heif_image_handle_get_height(image_handle); image->depth=8; #if LIBHEIF_NUMERIC_VERSION > 0x01040000 { int bits_per_pixel; bits_per_pixel=heif_image_handle_get_luma_bits_per_pixel(image_handle); if (bits_per_pixel != -1) image->depth=(size_t) bits_per_pixel; } #endif if (heif_image_handle_has_alpha_channel(image_handle)) image->alpha_trait=BlendPixelTrait; preserve_orientation=IsStringTrue(GetImageOption(image_info, "heic:preserve-orientation")); if (preserve_orientation == MagickFalse) (void) SetImageProperty(image,"exif:Orientation","1",exception); if (ReadHEICColorProfile(image,image_handle,exception) == MagickFalse) return(MagickFalse); if (ReadHEICExifProfile(image,image_handle,exception) == MagickFalse) return(MagickFalse); if (image_info->ping != MagickFalse) return(MagickTrue); if (HEICSkipImage(image_info,image) != MagickFalse) return(MagickTrue); status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) return(MagickFalse); decode_options=heif_decoding_options_alloc(); #if LIBHEIF_NUMERIC_VERSION > 0x01070000 decode_options->convert_hdr_to_8bit=1; #endif if (preserve_orientation == MagickTrue) decode_options->ignore_transformations=1; error=heif_decode_image(image_handle,&heif_image,heif_colorspace_RGB, image->alpha_trait != UndefinedPixelTrait ? heif_chroma_interleaved_RGBA : heif_chroma_interleaved_RGB,decode_options); heif_decoding_options_free(decode_options); if (IsHeifSuccess(image,&error,exception) == MagickFalse) return(MagickFalse); image->columns=(size_t) heif_image_get_width(heif_image, heif_channel_interleaved); image->rows=(size_t) heif_image_get_height(heif_image ,heif_channel_interleaved); status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) { heif_image_release(heif_image); return(MagickFalse); } p=heif_image_get_plane_readonly(heif_image,heif_channel_interleaved,&stride); stride-=(int) (image->columns * (image->alpha_trait != UndefinedPixelTrait ? 4 : 3)); for (y=0; y < (ssize_t) image->rows; y++) { Quantum *q; ssize_t x; q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(image,ScaleCharToQuantum((unsigned char) *(p++)),q); SetPixelGreen(image,ScaleCharToQuantum((unsigned char) *(p++)),q); SetPixelBlue(image,ScaleCharToQuantum((unsigned char) *(p++)),q); if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) *(p++)),q); q+=GetPixelChannels(image); } p+=stride; if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } heif_image_release(heif_image); return(MagickTrue); } static Image *ReadHEICImage(const ImageInfo *image_info, ExceptionInfo *exception) { heif_item_id *image_ids, primary_image_id; Image *image; MagickBooleanType status; size_t count, length; struct heif_context *heif_context; struct heif_error error; struct heif_image_handle *image_handle; void *file_data; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=AcquireImage(image_info,exception); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) return(DestroyImageList(image)); if (GetBlobSize(image) > (MagickSizeType) MAGICK_SSIZE_MAX) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); length=(size_t) GetBlobSize(image); file_data=AcquireMagickMemory(length); if (file_data == (void *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (ReadBlob(image,length,file_data) != (ssize_t) length) { file_data=RelinquishMagickMemory(file_data); ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); } #if LIBHEIF_NUMERIC_VERSION >= 0x010b0000 if (heif_has_compatible_brand(file_data,(int) length,"avif") != MagickFalse) (void) CopyMagickString(image->magick,"AVIF",MagickPathExtent); #endif /* Decode HEIF image. */ heif_context=heif_context_alloc(); error=heif_context_read_from_memory_without_copy(heif_context,file_data, length,NULL); if (IsHeifSuccess(image,&error,exception) == MagickFalse) { heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); return(DestroyImageList(image)); } error=heif_context_get_primary_image_ID(heif_context,&primary_image_id); if (IsHeifSuccess(image,&error,exception) == MagickFalse) { heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); return(DestroyImageList(image)); } error=heif_context_get_image_handle(heif_context,primary_image_id, &image_handle); if (IsHeifSuccess(image,&error,exception) == MagickFalse) { heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); return(DestroyImageList(image)); } status=ReadHEICImageByID(image_info,image,image_handle,exception); image_ids=(heif_item_id *) NULL; count=(size_t) heif_context_get_number_of_top_level_images(heif_context); if ((status != MagickFalse) && (count > 1)) { size_t i; image_ids=(heif_item_id *) AcquireQuantumMemory((size_t) count, sizeof(*image_ids)); if (image_ids == (heif_item_id *) NULL) { heif_image_handle_release(image_handle); heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); return(DestroyImageList(image)); } (void) heif_context_get_list_of_top_level_image_IDs(heif_context, image_ids,(int) count); for (i=0; i < count; i++) { if (image_ids[i] == primary_image_id) continue; /* Allocate next image structure. */ AcquireNextImage(image_info,image,exception); if (GetNextImageInList(image) == (Image *) NULL) { status=MagickFalse; break; } image=SyncNextImageInList(image); error=heif_context_get_image_handle(heif_context,primary_image_id, &image_handle); if (IsHeifSuccess(image,&error,exception) == MagickFalse) { status=MagickFalse; break; } status=ReadHEICImageByID(image_info,image,image_handle,exception); if (status == MagickFalse) break; if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; } } heif_image_handle_release(image_handle); error=heif_context_get_image_handle(heif_context,primary_image_id, &image_handle); if (IsHeifSuccess(image,&error,exception) == MagickFalse) { heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); return(DestroyImageList(image)); } if (heif_image_handle_has_depth_image(image_handle) != 0) { heif_item_id depth_id; int number_images; /* Read depth image. */ number_images=heif_image_handle_get_list_of_depth_image_IDs(image_handle, &depth_id,1); if (number_images > 0) { struct heif_image_handle *depth_handle; error=heif_image_handle_get_depth_image_handle(image_handle,depth_id, &depth_handle); if (IsHeifSuccess(image,&error,exception) != MagickFalse) { AcquireNextImage(image_info,image,exception); if (GetNextImageInList(image) == (Image *) NULL) status=MagickFalse; image=SyncNextImageInList(image); status=ReadHEICImageByID(image_info,image,depth_handle, exception); heif_image_handle_release(depth_handle); } } } heif_image_handle_release(image_handle); if (image_ids != (heif_item_id *) NULL) (void) RelinquishMagickMemory(image_ids); heif_context_free(heif_context); file_data=RelinquishMagickMemory(file_data); if (status == MagickFalse) return(DestroyImageList(image)); return(GetFirstImageInList(image)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s H E I C % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsHEIC() returns MagickTrue if the image format type, identified by the % magick string, is Heic. % % The format of the IsHEIC method is: % % MagickBooleanType IsHEIC(const unsigned char *magick,const size_t length) % % A description of each parameter follows: % % o magick: compare image format pattern against these bytes. % % o length: Specifies the length of the magick string. % */ static MagickBooleanType IsHEIC(const unsigned char *magick,const size_t length) { if (length < 12) return(MagickFalse); if (LocaleNCompare((const char *) magick+4,"ftyp",4) != 0) return(MagickFalse); if (LocaleNCompare((const char *) magick+8,"avif",4) == 0) return(MagickTrue); if (LocaleNCompare((const char *) magick+8,"heic",4) == 0) return(MagickTrue); if (LocaleNCompare((const char *) magick+8,"heix",4) == 0) return(MagickTrue); if (LocaleNCompare((const char *) magick+8,"mif1",4) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r H E I C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterHEICImage() adds attributes for the HEIC image format to the list of % supported formats. The attributes include the image format tag, a method % to read and/or write the format, whether the format supports the saving of % more than one frame to the same file or blob, whether the format supports % native in-memory I/O, and a brief description of the format. % % The format of the RegisterHEICImage method is: % % size_t RegisterHEICImage(void) % */ ModuleExport size_t RegisterHEICImage(void) { MagickInfo *entry; entry=AcquireMagickInfo("HEIC","HEIC","High Efficiency Image Format"); #if defined(MAGICKCORE_HEIC_DELEGATE) entry->decoder=(DecodeImageHandler *) ReadHEICImage; #if LIBHEIF_NUMERIC_VERSION >= 0x01030000 if (heif_have_encoder_for_format(heif_compression_HEVC)) entry->encoder=(EncodeImageHandler *) WriteHEICImage; #else entry->encoder=(EncodeImageHandler *) WriteHEICImage; #endif #endif entry->magick=(IsImageFormatHandler *) IsHEIC; entry->mime_type=ConstantString("image/heic"); #if defined(LIBHEIF_VERSION) entry->version=ConstantString(LIBHEIF_VERSION); #endif entry->flags|=CoderDecoderSeekableStreamFlag; (void) RegisterMagickInfo(entry); entry=AcquireMagickInfo("HEIC","HEIF","High Efficiency Image Format"); #if defined(MAGICKCORE_HEIC_DELEGATE) entry->decoder=(DecodeImageHandler *) ReadHEICImage; #if LIBHEIF_NUMERIC_VERSION >= 0x01030000 if (heif_have_encoder_for_format(heif_compression_HEVC)) entry->encoder=(EncodeImageHandler *) WriteHEICImage; #else entry->encoder=(EncodeImageHandler *) WriteHEICImage; #endif #endif entry->magick=(IsImageFormatHandler *) IsHEIC; entry->mime_type=ConstantString("image/heif"); #if defined(LIBHEIF_VERSION) entry->version=ConstantString(LIBHEIF_VERSION); #endif entry->flags|=CoderDecoderSeekableStreamFlag; (void) RegisterMagickInfo(entry); #if LIBHEIF_NUMERIC_VERSION > 0x01060200 entry=AcquireMagickInfo("HEIC","AVIF","AV1 Image File Format"); #if defined(MAGICKCORE_HEIC_DELEGATE) if (heif_have_decoder_for_format(heif_compression_AV1)) entry->decoder=(DecodeImageHandler *) ReadHEICImage; if (heif_have_encoder_for_format(heif_compression_AV1)) entry->encoder=(EncodeImageHandler *) WriteHEICImage; #endif entry->magick=(IsImageFormatHandler *) IsHEIC; entry->mime_type=ConstantString("image/avif"); #if defined(LIBHEIF_VERSION) entry->version=ConstantString(LIBHEIF_VERSION); #endif entry->flags|=CoderDecoderSeekableStreamFlag; (void) RegisterMagickInfo(entry); #endif return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r H E I C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterHEICImage() removes format registrations made by the HEIC module % from the list of supported formats. % % The format of the UnregisterHEICImage method is: % % UnregisterHEICImage(void) % */ ModuleExport void UnregisterHEICImage(void) { #if LIBHEIF_NUMERIC_VERSION > 0x01060200 (void) UnregisterMagickInfo("AVIF"); #endif (void) UnregisterMagickInfo("HEIC"); (void) UnregisterMagickInfo("HEIF"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e H E I C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteHEICImage() writes an HEIF image using the libheif library. % % The format of the WriteHEICImage method is: % % MagickBooleanType WriteHEICImage(const ImageInfo *image_info, % Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % % o exception: return any errors or warnings in this structure. % */ #if defined(MAGICKCORE_HEIC_DELEGATE) #if LIBHEIF_NUMERIC_VERSION >= 0x01030000 static void WriteProfile(struct heif_context *context,Image *image, ExceptionInfo *exception) { const char *name; const StringInfo *profile; ssize_t i; size_t length; struct heif_error error; struct heif_image_handle *image_handle; /* Get image handle. */ image_handle=(struct heif_image_handle *) NULL; error=heif_context_get_primary_image_handle(context,&image_handle); if (error.code != 0) return; /* Save image profile as a APP marker. */ ResetImageProfileIterator(image); for (name=GetNextImageProfile(image); name != (const char *) NULL; ) { profile=GetImageProfile(image,name); length=GetStringInfoLength(profile); if (LocaleCompare(name,"EXIF") == 0) { length=GetStringInfoLength(profile); if (length > 65533L) { (void) ThrowMagickException(exception,GetMagickModule(), CoderWarning,"ExifProfileSizeExceedsLimit","`%s'", image->filename); length=65533L; } (void) heif_context_add_exif_metadata(context,image_handle, (void*) GetStringInfoDatum(profile),(int) length); } if (LocaleCompare(name,"XMP") == 0) { StringInfo *xmp_profile; xmp_profile=StringToStringInfo(xmp_namespace); if (xmp_profile != (StringInfo *) NULL) { if (profile != (StringInfo *) NULL) ConcatenateStringInfo(xmp_profile,profile); GetStringInfoDatum(xmp_profile)[XmpNamespaceExtent]='\0'; for (i=0; i < (ssize_t) GetStringInfoLength(xmp_profile); i+=65533L) { length=MagickMin(GetStringInfoLength(xmp_profile)-i,65533L); error=heif_context_add_XMP_metadata(context,image_handle, (void*) (GetStringInfoDatum(xmp_profile)+i),(int) length); if (error.code != 0) break; } xmp_profile=DestroyStringInfo(xmp_profile); } } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), "%s profile: %.20g bytes",name,(double) GetStringInfoLength(profile)); name=GetNextImageProfile(image); } heif_image_handle_release(image_handle); } #endif static struct heif_error heif_write_func(struct heif_context *context, const void* data,size_t size,void* userdata) { Image *image; struct heif_error error_ok; (void) context; image=(Image*) userdata; (void) WriteBlob(image,size,(const unsigned char *) data); error_ok.code=heif_error_Ok; error_ok.subcode=heif_suberror_Unspecified; error_ok.message="ok"; return(error_ok); } static MagickBooleanType WriteHEICImageYCbCr(Image *image, struct heif_image *heif_image,ExceptionInfo *exception) { int p_y, p_cb, p_cr; MagickBooleanType status; ssize_t y; struct heif_error error; uint8_t *q_y, *q_cb, *q_cr; status=MagickTrue; error=heif_image_add_plane(heif_image,heif_channel_Y,(int) image->columns, (int) image->rows,8); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) return(status); error=heif_image_add_plane(heif_image,heif_channel_Cb, ((int) image->columns+1)/2,((int) image->rows+1)/2,8); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) return(status); error=heif_image_add_plane(heif_image,heif_channel_Cr, ((int) image->columns+1)/2,((int) image->rows+1)/2,8); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) return(status); q_y=heif_image_get_plane(heif_image,heif_channel_Y,&p_y); q_cb=heif_image_get_plane(heif_image,heif_channel_Cb,&p_cb); q_cr=heif_image_get_plane(heif_image,heif_channel_Cr,&p_cr); /* Copy image to heif_image */ for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *p; ssize_t x; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) { status=MagickFalse; break; } if ((y & 0x01) != 0) for (x=0; x < (ssize_t) image->columns; x++) { q_y[y*p_y+x]=ScaleQuantumToChar(GetPixelRed(image,p)); p+=GetPixelChannels(image); } else for (x=0; x < (ssize_t) image->columns; x+=2) { q_y[y*p_y+x]=ScaleQuantumToChar(GetPixelRed(image,p)); q_cb[y/2*p_cb+x/2]=ScaleQuantumToChar(GetPixelGreen(image,p)); q_cr[y/2*p_cr+x/2]=ScaleQuantumToChar(GetPixelBlue(image,p)); p+=GetPixelChannels(image); if ((x+1) < (ssize_t) image->columns) { q_y[y*p_y+x+1]=ScaleQuantumToChar(GetPixelRed(image,p)); p+=GetPixelChannels(image); } } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } return(status); } static MagickBooleanType WriteHEICImageRGBA(Image *image, struct heif_image *heif_image,ExceptionInfo *exception) { MagickBooleanType status; ssize_t y; const Quantum *p; int stride; struct heif_error error; uint8_t *q, *plane; status=MagickTrue; error=heif_image_add_plane(heif_image,heif_channel_interleaved, (int) image->columns,(int) image->rows,8); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) return status; plane=heif_image_get_plane(heif_image,heif_channel_interleaved,&stride); /* Copy image to heif_image */ for (y=0; y < (ssize_t) image->rows; y++) { ssize_t x; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) { status=MagickFalse; break; } q=plane+(y*stride); for (x=0; x < (ssize_t) image->columns; x++) { *(q++)=ScaleQuantumToChar(GetPixelRed(image,p)); *(q++)=ScaleQuantumToChar(GetPixelGreen(image,p)); *(q++)=ScaleQuantumToChar(GetPixelBlue(image,p)); if (image->alpha_trait != UndefinedPixelTrait) *(q++)=ScaleQuantumToChar(GetPixelAlpha(image,p)); p+=GetPixelChannels(image); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } return(status); } static MagickBooleanType WriteHEICImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { MagickBooleanType status; MagickOffsetType scene; struct heif_context *heif_context; struct heif_encoder *heif_encoder; struct heif_error error; struct heif_image *heif_image; struct heif_writer writer; #if LIBHEIF_NUMERIC_VERSION > 0x01060200 MagickBooleanType encode_avif; #endif /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); scene=0; heif_context=heif_context_alloc(); heif_image=(struct heif_image*) NULL; heif_encoder=(struct heif_encoder*) NULL; #if LIBHEIF_NUMERIC_VERSION > 0x01060200 encode_avif=(LocaleCompare(image_info->magick,"AVIF") == 0) ? MagickTrue : MagickFalse; #endif do { #if LIBHEIF_NUMERIC_VERSION >= 0x01040000 const StringInfo *profile; #endif enum heif_colorspace colorspace; enum heif_chroma chroma; MagickBooleanType lossless; colorspace=heif_colorspace_YCbCr; lossless=image_info->quality == 100 ? MagickTrue : MagickFalse; chroma=lossless ? heif_chroma_444 : heif_chroma_420; /* Get encoder for the specified format. */ #if LIBHEIF_NUMERIC_VERSION > 0x01060200 if (encode_avif != MagickFalse) { error=heif_context_get_encoder_for_format(heif_context, heif_compression_AV1,&heif_encoder); if (IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) { colorspace=heif_colorspace_RGB; chroma=(image->alpha_trait == UndefinedPixelTrait) ? heif_chroma_interleaved_RGB : heif_chroma_interleaved_RGBA; } } else #endif error=heif_context_get_encoder_for_format(heif_context, heif_compression_HEVC,&heif_encoder); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; if ((colorspace == heif_colorspace_YCbCr) && (image->colorspace != YCbCrColorspace)) { status=TransformImageColorspace(image,YCbCrColorspace,exception); if (status == MagickFalse) break; } /* Initialize HEIF encoder context. */ error=heif_image_create((int) image->columns,(int) image->rows,colorspace, chroma,&heif_image); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; #if LIBHEIF_NUMERIC_VERSION >= 0x01040000 profile=GetImageProfile(image,"icc"); if (profile != (StringInfo *) NULL) (void) heif_image_set_raw_color_profile(heif_image,"prof", GetStringInfoDatum(profile),GetStringInfoLength(profile)); #endif if (colorspace == heif_colorspace_YCbCr) status=WriteHEICImageYCbCr(image,heif_image,exception); else status=WriteHEICImageRGBA(image,heif_image,exception); if (status == MagickFalse) break; /* Code and actually write the HEIC image */ if (lossless != MagickFalse) error=heif_encoder_set_lossless(heif_encoder, 1); else if (image_info->quality != UndefinedCompressionQuality) error=heif_encoder_set_lossy_quality(heif_encoder,(int) image_info->quality); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; #if LIBHEIF_NUMERIC_VERSION > 0x01060200 if (encode_avif != MagickFalse) { const char *option; option=GetImageOption(image_info,"heic:speed"); if (option != (char *) NULL) { error=heif_encoder_set_parameter(heif_encoder,"speed",option); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; } option=GetImageOption(image_info,"heic:chroma"); if (option != (char *) NULL) { error=heif_encoder_set_parameter(heif_encoder,"chroma",option); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; } } #endif error=heif_context_encode_image(heif_context,heif_image,heif_encoder, (const struct heif_encoding_options *) NULL, (struct heif_image_handle **) NULL); status=IsHeifSuccess(image,&error,exception); if (status == MagickFalse) break; #if LIBHEIF_NUMERIC_VERSION >= 0x01030000 if (image->profiles != (void *) NULL) WriteProfile(heif_context,image,exception); #endif if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); status=SetImageProgress(image,SaveImagesTag,scene, GetImageListLength(image)); if (status == MagickFalse) break; heif_encoder_release(heif_encoder); heif_encoder=(struct heif_encoder*) NULL; heif_image_release(heif_image); heif_image=(struct heif_image*) NULL; scene++; } while (image_info->adjoin != MagickFalse); if (status != MagickFalse) { writer.writer_api_version=1; writer.write=heif_write_func; #if LIBHEIF_NUMERIC_VERSION >= 0x01030000 if (image->profiles != (void *) NULL) WriteProfile(heif_context,image,exception); #endif error=heif_context_write(heif_context,&writer,image); status=IsHeifSuccess(image,&error,exception); } if (heif_encoder != (struct heif_encoder*) NULL) heif_encoder_release(heif_encoder); if (heif_image != (struct heif_image*) NULL) heif_image_release(heif_image); heif_context_free(heif_context); (void) CloseBlob(image); return(status); } #endif