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author | Dichen Zhang <dichenzhang@google.com> | 2023-06-01 20:48:23 +0000 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2023-06-01 20:48:23 +0000 |
commit | e9c14ad6a7158f416e773cb407de374b1e5fad48 (patch) | |
tree | b16166bd86cab14d46e8f7e5b2ec62c6427412bc | |
parent | 6c8f778b08cf2cc50fb553d21e01ae94549e904c (diff) | |
parent | 9b3d6859c8a19dcf478d66ff60436c423a77b8a8 (diff) | |
download | native-e9c14ad6a7158f416e773cb407de374b1e5fad48.tar.gz |
Merge "ultrahdr: update error checks in encode/decode path" into udc-dev
-rw-r--r-- | libs/ultrahdr/include/ultrahdr/ultrahdr.h | 4 | ||||
-rw-r--r-- | libs/ultrahdr/jpegr.cpp | 33 |
2 files changed, 28 insertions, 9 deletions
diff --git a/libs/ultrahdr/include/ultrahdr/ultrahdr.h b/libs/ultrahdr/include/ultrahdr/ultrahdr.h index d6153e9890..21751b4634 100644 --- a/libs/ultrahdr/include/ultrahdr/ultrahdr.h +++ b/libs/ultrahdr/include/ultrahdr/ultrahdr.h @@ -20,7 +20,7 @@ namespace android::ultrahdr { // Color gamuts for image data typedef enum { - ULTRAHDR_COLORGAMUT_UNSPECIFIED, + ULTRAHDR_COLORGAMUT_UNSPECIFIED = -1, ULTRAHDR_COLORGAMUT_BT709, ULTRAHDR_COLORGAMUT_P3, ULTRAHDR_COLORGAMUT_BT2100, @@ -52,7 +52,7 @@ typedef enum { */ struct ultrahdr_metadata_struct { // Ultra HDR library version - const char* version; + std::string version; // Max Content Boost for the map float maxContentBoost; // Min Content Boost for the map diff --git a/libs/ultrahdr/jpegr.cpp b/libs/ultrahdr/jpegr.cpp index 9aadb74ca6..b2bde6c485 100644 --- a/libs/ultrahdr/jpegr.cpp +++ b/libs/ultrahdr/jpegr.cpp @@ -145,7 +145,8 @@ status_t JpegR::areInputArgumentsValid(jr_uncompressed_ptr uncompressed_p010_ima return ERROR_JPEGR_INVALID_NULL_PTR; } - if (hdr_tf <= ULTRAHDR_TF_UNSPECIFIED || hdr_tf > ULTRAHDR_TF_MAX) { + if (hdr_tf <= ULTRAHDR_TF_UNSPECIFIED || hdr_tf > ULTRAHDR_TF_MAX + || hdr_tf == ULTRAHDR_TF_SRGB) { ALOGE("Invalid hdr transfer function %d", hdr_tf); return ERROR_JPEGR_INVALID_INPUT_TYPE; } @@ -504,11 +505,6 @@ status_t JpegR::decodeJPEGR(jr_compressed_ptr compressed_jpegr_image, return ERROR_JPEGR_INVALID_INPUT_TYPE; } - if (gain_map != nullptr && gain_map->data == nullptr) { - ALOGE("received nullptr address for gain map data"); - return ERROR_JPEGR_INVALID_INPUT_TYPE; - } - if (output_format == ULTRAHDR_OUTPUT_SDR) { JpegDecoderHelper jpeg_decoder; if (!jpeg_decoder.decompressImage(compressed_jpegr_image->data, compressed_jpegr_image->length, @@ -550,6 +546,11 @@ status_t JpegR::decodeJPEGR(jr_compressed_ptr compressed_jpegr_image, if (!gain_map_decoder.decompressImage(compressed_map.data, compressed_map.length)) { return ERROR_JPEGR_DECODE_ERROR; } + if ((gain_map_decoder.getDecompressedImageWidth() * + gain_map_decoder.getDecompressedImageHeight()) > + gain_map_decoder.getDecompressedImageSize()) { + return ERROR_JPEGR_CALCULATION_ERROR; + } if (gain_map != nullptr) { gain_map->width = gain_map_decoder.getDecompressedImageWidth(); @@ -579,6 +580,11 @@ status_t JpegR::decodeJPEGR(jr_compressed_ptr compressed_jpegr_image, if (!jpeg_decoder.decompressImage(compressed_jpegr_image->data, compressed_jpegr_image->length)) { return ERROR_JPEGR_DECODE_ERROR; } + if ((jpeg_decoder.getDecompressedImageWidth() * + jpeg_decoder.getDecompressedImageHeight() * 3 / 2) > + jpeg_decoder.getDecompressedImageSize()) { + return ERROR_JPEGR_CALCULATION_ERROR; + } if (exif != nullptr) { if (exif->data == nullptr) { @@ -600,7 +606,6 @@ status_t JpegR::decodeJPEGR(jr_compressed_ptr compressed_jpegr_image, uncompressed_yuv_420_image.data = jpeg_decoder.getDecompressedImagePtr(); uncompressed_yuv_420_image.width = jpeg_decoder.getDecompressedImageWidth(); uncompressed_yuv_420_image.height = jpeg_decoder.getDecompressedImageHeight(); - JPEGR_CHECK(applyGainMap(&uncompressed_yuv_420_image, &map, &uhdr_metadata, output_format, max_display_boost, dest)); return NO_ERROR; @@ -843,6 +848,20 @@ status_t JpegR::applyGainMap(jr_uncompressed_ptr uncompressed_yuv_420_image, return ERROR_JPEGR_INVALID_NULL_PTR; } + // TODO: remove once map scaling factor is computed based on actual map dims + size_t image_width = uncompressed_yuv_420_image->width; + size_t image_height = uncompressed_yuv_420_image->height; + size_t map_width = image_width / kMapDimensionScaleFactor; + size_t map_height = image_height / kMapDimensionScaleFactor; + map_width = static_cast<size_t>( + floor((map_width + kJpegBlock - 1) / kJpegBlock)) * kJpegBlock; + map_height = ((map_height + 1) >> 1) << 1; + if (map_width != uncompressed_gain_map->width + || map_height != uncompressed_gain_map->height) { + ALOGE("gain map dimensions and primary image dimensions are not to scale"); + return ERROR_JPEGR_INVALID_INPUT_TYPE; + } + dest->width = uncompressed_yuv_420_image->width; dest->height = uncompressed_yuv_420_image->height; ShepardsIDW idwTable(kMapDimensionScaleFactor); |