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Commit 1c38f1a6 authored by Dichen Zhang's avatar Dichen Zhang Committed by Automerger Merge Worker
Browse files

Merge "ultrahdr: update error checks in encode/decode path" into udc-dev am: e9c14ad6 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23453077



Change-Id: Ib25d5b8d9b887d6bfe81a58eb8094b3660752e74
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents d2f8782c e9c14ad6

libs/ultrahdr/include/ultrahdr/ultrahdr.h

+2 −2
Original line number Diff line number Diff line
@@ -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

libs/ultrahdr/jpegr.cpp

+26 −7
Original line number Diff line number Diff line
@@ -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);