diff options
Diffstat (limited to 'src/ipa')
| -rw-r--r-- | src/ipa/ipu3/algorithms/awb.cpp | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp index c1a303e2..dba7cec3 100644 --- a/src/ipa/ipu3/algorithms/awb.cpp +++ b/src/ipa/ipu3/algorithms/awb.cpp @@ -224,31 +224,34 @@ void Awb::generateZones(std::vector<RGB> &zones) void Awb::generateAwbStats(const ipu3_uapi_stats_3a *stats, const ipu3_uapi_grid_config &grid) { - uint32_t regionWidth = round(grid.width / static_cast<double>(kAwbStatsSizeX)); - uint32_t regionHeight = round(grid.height / static_cast<double>(kAwbStatsSizeY)); + uint32_t cellsPerZoneX = round(grid.width / static_cast<double>(kAwbStatsSizeX)); + uint32_t cellsPerZoneY = round(grid.height / static_cast<double>(kAwbStatsSizeY)); /* * Generate a (kAwbStatsSizeX x kAwbStatsSizeY) array from the IPU3 grid which is * (grid.width x grid.height). */ - for (unsigned int j = 0; j < kAwbStatsSizeY * regionHeight; j++) { - for (unsigned int i = 0; i < kAwbStatsSizeX * regionWidth; i++) { - uint32_t cellPosition = j * grid.width + i; - uint32_t cellX = (cellPosition / regionWidth) % kAwbStatsSizeX; - uint32_t cellY = ((cellPosition / grid.width) / regionHeight) % kAwbStatsSizeY; + for (unsigned int cellY = 0; cellY < kAwbStatsSizeY * cellsPerZoneY; cellY++) { + for (unsigned int cellX = 0; cellX < kAwbStatsSizeX * cellsPerZoneX; cellX++) { + uint32_t cellPosition = (cellY * grid.width + cellX) + * sizeof(Ipu3AwbCell); + uint32_t zoneX = cellX / cellsPerZoneX; + uint32_t zoneY = cellY / cellsPerZoneY; - uint32_t awbRegionPosition = cellY * kAwbStatsSizeX + cellX; - cellPosition *= 8; + uint32_t awbZonePosition = zoneY * kAwbStatsSizeX + zoneX; /* Cast the initial IPU3 structure to simplify the reading */ - Ipu3AwbCell *currentCell = reinterpret_cast<Ipu3AwbCell *>(const_cast<uint8_t *>(&stats->awb_raw_buffer.meta_data[cellPosition])); + const Ipu3AwbCell *currentCell = + reinterpret_cast<const Ipu3AwbCell *>( + &stats->awb_raw_buffer.meta_data[cellPosition] + ); if (currentCell->satRatio == 0) { /* The cell is not saturated, use the current cell */ - awbStats_[awbRegionPosition].counted++; + awbStats_[awbZonePosition].counted++; uint32_t greenValue = currentCell->greenRedAvg + currentCell->greenBlueAvg; - awbStats_[awbRegionPosition].sum.green += greenValue / 2; - awbStats_[awbRegionPosition].sum.red += currentCell->redAvg; - awbStats_[awbRegionPosition].sum.blue += currentCell->blueAvg; + awbStats_[awbZonePosition].sum.green += greenValue / 2; + awbStats_[awbZonePosition].sum.red += currentCell->redAvg; + awbStats_[awbZonePosition].sum.blue += currentCell->blueAvg; } } } |