From ab72e6641c56e876f91edee57a8969982a3ab9b7 Mon Sep 17 00:00:00 2001 From: Paul Elder Date: Sat, 23 Jan 2021 14:08:35 +0900 Subject: android: jpeg: Set thumbnail and JPEG quality based on request Set the thumbnail quality and the JPEG quality based on the android request metadata. Signed-off-by: Paul Elder Reviewed-by: Laurent Pinchart Reviewed-by: Jacopo Mondi --- src/android/jpeg/encoder.h | 3 ++- src/android/jpeg/encoder_libjpeg.cpp | 10 +++++----- src/android/jpeg/encoder_libjpeg.h | 8 ++++---- src/android/jpeg/post_processor_jpeg.cpp | 26 ++++++++++++-------------- src/android/jpeg/post_processor_jpeg.h | 1 + 5 files changed, 24 insertions(+), 24 deletions(-) (limited to 'src/android') diff --git a/src/android/jpeg/encoder.h b/src/android/jpeg/encoder.h index 027233dc..8d449369 100644 --- a/src/android/jpeg/encoder.h +++ b/src/android/jpeg/encoder.h @@ -19,7 +19,8 @@ public: virtual int configure(const libcamera::StreamConfiguration &cfg) = 0; virtual int encode(const libcamera::FrameBuffer &source, libcamera::Span destination, - libcamera::Span exifData) = 0; + libcamera::Span exifData, + unsigned int quality) = 0; }; #endif /* __ANDROID_JPEG_ENCODER_H__ */ diff --git a/src/android/jpeg/encoder_libjpeg.cpp b/src/android/jpeg/encoder_libjpeg.cpp index aed919b9..f006e1d1 100644 --- a/src/android/jpeg/encoder_libjpeg.cpp +++ b/src/android/jpeg/encoder_libjpeg.cpp @@ -68,7 +68,6 @@ const struct JPEGPixelFormatInfo &findPixelInfo(const PixelFormat &format) } /* namespace */ EncoderLibJpeg::EncoderLibJpeg() - : quality_(95) { /* \todo Expand error handling coverage with a custom handler. */ compress_.err = jpeg_std_error(&jerr_); @@ -94,7 +93,6 @@ int EncoderLibJpeg::configure(const StreamConfiguration &cfg) compress_.input_components = info.colorSpace == JCS_GRAYSCALE ? 1 : 3; jpeg_set_defaults(&compress_); - jpeg_set_quality(&compress_, quality_, TRUE); pixelFormatInfo_ = &info.pixelFormatInfo; @@ -180,7 +178,7 @@ void EncoderLibJpeg::compressNV(Span frame) } int EncoderLibJpeg::encode(const FrameBuffer &source, Span dest, - Span exifData) + Span exifData, unsigned int quality) { MappedFrameBuffer frame(&source, PROT_READ); if (!frame.isValid()) { @@ -189,15 +187,17 @@ int EncoderLibJpeg::encode(const FrameBuffer &source, Span dest, return frame.error(); } - return encode(frame.maps()[0], dest, exifData); + return encode(frame.maps()[0], dest, exifData, quality); } int EncoderLibJpeg::encode(Span src, Span dest, - Span exifData) + Span exifData, unsigned int quality) { unsigned char *destination = dest.data(); unsigned long size = dest.size(); + jpeg_set_quality(&compress_, quality, TRUE); + /* * The jpeg_mem_dest will reallocate if the required size is not * sufficient. That means the output won't be written to the correct diff --git a/src/android/jpeg/encoder_libjpeg.h b/src/android/jpeg/encoder_libjpeg.h index 070f56f8..838da772 100644 --- a/src/android/jpeg/encoder_libjpeg.h +++ b/src/android/jpeg/encoder_libjpeg.h @@ -23,10 +23,12 @@ public: int configure(const libcamera::StreamConfiguration &cfg) override; int encode(const libcamera::FrameBuffer &source, libcamera::Span destination, - libcamera::Span exifData) override; + libcamera::Span exifData, + unsigned int quality) override; int encode(libcamera::Span source, libcamera::Span destination, - libcamera::Span exifData); + libcamera::Span exifData, + unsigned int quality); private: void compressRGB(libcamera::Span frame); @@ -35,8 +37,6 @@ private: struct jpeg_compress_struct compress_; struct jpeg_error_mgr jerr_; - unsigned int quality_; - const libcamera::PixelFormatInfo *pixelFormatInfo_; bool nv_; diff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp index e990ba04..cac0087b 100644 --- a/src/android/jpeg/post_processor_jpeg.cpp +++ b/src/android/jpeg/post_processor_jpeg.cpp @@ -52,6 +52,7 @@ int PostProcessorJpeg::configure(const StreamConfiguration &inCfg, void PostProcessorJpeg::generateThumbnail(const FrameBuffer &source, const Size &targetSize, + unsigned int quality, std::vector *thumbnail) { /* Stores the raw scaled-down thumbnail bytes. */ @@ -72,7 +73,7 @@ void PostProcessorJpeg::generateThumbnail(const FrameBuffer &source, thumbnail->resize(rawThumbnail.size()); int jpeg_size = thumbnailEncoder_.encode(rawThumbnail, - *thumbnail, {}); + *thumbnail, {}, quality); thumbnail->resize(jpeg_size); LOG(JPEG, Debug) @@ -135,20 +136,18 @@ int PostProcessorJpeg::process(const FrameBuffer &source, Size thumbnailSize = { static_cast(data[0]), static_cast(data[1]) }; + ret = requestMetadata.getEntry(ANDROID_JPEG_THUMBNAIL_QUALITY, &entry); + uint8_t quality = ret ? *entry.data.u8 : 95; + resultMetadata->addEntry(ANDROID_JPEG_THUMBNAIL_QUALITY, &quality, 1); + if (thumbnailSize != Size(0, 0)) { std::vector thumbnail; - generateThumbnail(source, thumbnailSize, &thumbnail); + generateThumbnail(source, thumbnailSize, quality, &thumbnail); if (!thumbnail.empty()) exif.setThumbnail(thumbnail, Exif::Compression::JPEG); } resultMetadata->addEntry(ANDROID_JPEG_THUMBNAIL_SIZE, data, 2); - - /* \todo Use this quality as a parameter to the encoder */ - ret = requestMetadata.getEntry(ANDROID_JPEG_THUMBNAIL_QUALITY, &entry); - if (ret) - resultMetadata->addEntry(ANDROID_JPEG_THUMBNAIL_QUALITY, - entry.data.u8, 1); } ret = requestMetadata.getEntry(ANDROID_JPEG_GPS_COORDINATES, &entry); @@ -169,7 +168,11 @@ int PostProcessorJpeg::process(const FrameBuffer &source, if (exif.generate() != 0) LOG(JPEG, Error) << "Failed to generate valid EXIF data"; - int jpeg_size = encoder_->encode(source, destination, exif.data()); + ret = requestMetadata.getEntry(ANDROID_JPEG_QUALITY, &entry); + const uint8_t quality = ret ? *entry.data.u8 : 95; + resultMetadata->addEntry(ANDROID_JPEG_QUALITY, &quality, 1); + + int jpeg_size = encoder_->encode(source, destination, exif.data(), quality); if (jpeg_size < 0) { LOG(JPEG, Error) << "Failed to encode stream image"; return jpeg_size; @@ -197,10 +200,5 @@ int PostProcessorJpeg::process(const FrameBuffer &source, /* Update the JPEG result Metadata. */ resultMetadata->addEntry(ANDROID_JPEG_SIZE, &jpeg_size, 1); - /* \todo Configure JPEG encoder with this */ - ret = requestMetadata.getEntry(ANDROID_JPEG_QUALITY, &entry); - const uint8_t jpegQuality = ret ? *entry.data.u8 : 95; - resultMetadata->addEntry(ANDROID_JPEG_QUALITY, &jpegQuality, 1); - return 0; } diff --git a/src/android/jpeg/post_processor_jpeg.h b/src/android/jpeg/post_processor_jpeg.h index 660b79b4..d2dfa450 100644 --- a/src/android/jpeg/post_processor_jpeg.h +++ b/src/android/jpeg/post_processor_jpeg.h @@ -32,6 +32,7 @@ public: private: void generateThumbnail(const libcamera::FrameBuffer &source, const libcamera::Size &targetSize, + unsigned int quality, std::vector *thumbnail); CameraDevice *const cameraDevice_; -- cgit v1.2.1