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Platform: ROCKCHIP
OS: Android 6.0 Kernel: 3.10.92 硬解: rk3288的VPU提供了JPEG的硬件编解码功能. 对应的so路径: rk3288/vendor/rockchip/common/vpu/lib/arm/libjpeghwenc.so rk3288/vendor/rockchip/common/vpu/lib/arm/libjpeghwdec.so 头文件: rk3288/hardware/rockchip/jpeghw/release/encode_release/hw_jpegenc.h rk3288/hardware/rockchip/jpeghw/release/decoder_release/hw_jpegdecapi.h 编码会在Camera模块拍照被用到: hardware/rockchip/camera/CameraHal/AppMsgNotifier.cpp int AppMsgNotifier::captureEncProcessPicture(FramInfo_s* frame){ ...... err = hw_jpeg_encode(&JpegInInfo, &JpegOutInfo); ...... } Android.mk LOCAL_SHARED_LIBRARIES:= ...... libjpeghwenc 解码调用处: rk3288/external/skia/src/images/SkImageDecoder_libjpeg.cpp bool SkJPEGImageDecoder::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) { ...... if(hw_jpeg_decode(&hwInfo,&outInfo, &reuseBitmap, bm->width(), bm->height()) >= 0) ...... } Android.mk #ifeq ($(HAVE_LIBRKVPU), true) LOCAL_CFLAGS += -DUSE_HW_JPEG LOCAL_SRC_FILES += src/images/SkHwJpegUtility.cpp LOCAL_SHARED_LIBRARIES += libjpeghwdec LOCAL_C_INCLUDES += hardware/rockchip/jpeghw/release/decoder_release hardware/rockchip/librkvpu #endif 软解: Android自带软解库位于: rk3288/external/jpeg Android.mk: LOCAL_MODULE := libjpeg |
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