Android Offload 播放中的 HW 与 SW 解码器 在Android 的多媒体框架中,解码视频和音频格式的方式主要有两种:硬件解码(HW Decoder)和软件解码(SW Decoder)。这两种解码器各有优缺点,对于开发者而言,选择合适的解码方式对于应用的性能优化至关重要。 硬件解码与软件解码 硬件解码(HW Decoder)是利用设备的硬件加速能力...
在hw_decoder_init 函数中,调用 av_hwdevice_ctx_create 创建指定类型的硬件加速器,并将它保存到 ctx->hw_device_ctx 所指向的 AVBufferRef 缓冲区中。 获取硬件支持的像素格式 在get_hw_format 函数中,遍历 pix_fmts 数组,查找是否有与 hw_pix_fmt 相等的像素格式,如果找到则返回该像素格式,否则返回 AV_PI...
在hw_decoder_init 函数中,调用 av_hwdevice_ctx_create 创建指定类型的硬件加速器,并将它保存到 ctx->hw_device_ctx 所指向的 AVBufferRef 缓冲区中。 获取硬件支持的像素格式 在get_hw_format 函数中,遍历 pix_fmts 数组,查找是否有与 hw_pix_fmt 相等的像素格式,如果找到则返回该像素格式,否则返回 AV_PI...
Andrade J, George N, Karras K, Novo D, Pratas F, Sousa L, Ienne P, Falcao G, Silva V (2017) Design Space Exploration of LDPC Decoders using High-Level Synthesis. IEEE Access, p 1 Arató P, Mann ZÁ, Orbán A (2005) Algorithmic aspects of hardware/software partitioning. ACM Trans...
Lampret "HW/SW partitioned optimiza- tion and VLSI-FPGA implementation of the MPEG-2 video decoder", Design, Automation and Test in Europe Conference and Exhibition, 2003.Matjaz V,Andrej Z. HW/SW partitioned optimization and VLSI-FPGA implementation of the MPEG-2 video decoder[A].2003....
Implementation of AVS Jizhun decoder with HW/SW partitioning on a coarse- grained reconfigurable multimedia system. Sci China Inf Sci, 2014, 57: 082401Liu L B, Chen Y J, Yin S Y, et al. Implementation of AVS Jizhun decoder with HW/SW partitioning on a coarsegrained reconfigurable ...
On my US15W, with EMGD driver 2048 july 2011 with Windows 7, I have Flash video acceleration using the specific version 10.1 of the flash player (http://www.intel.com/p/en_US/embedded/hwsw/software/emgd# faqs as specified here, search for 'flash' on this...
hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET; } #endif s->child_frames_ref = child_frames_ref; child_frames_ref = NULL; fail: av_buffer_unref(&child_device_ref); av_buffer_unref(&child_frames_ref); return ret; ...
"skia/src/gpu/GrSWMaskHelper.cpp", "skia/src/gpu/GrSamplePatternDictionary.cpp", "skia/src/gpu/GrShaderCaps.cpp", "skia/src/gpu/GrShaderUtils.cpp", "skia/src/gpu/GrShaderVar.cpp", "skia/src/gpu/GrSoftwarePathRenderer.cpp", "skia/src/gpu/GrStencilAttachment.cpp", "skia/...
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