MediaCodec createInputSurface [英] MediaCodec createInputSurface

问题描述

我想使用MediaCodec将Surface编码为H.264.

I want to use MediaCodec to encode a Surface into H.264.

使用API​​ 18，可以通过调用createInputSurface()然后在该表面上绘制来对表面上的内容进行编码.

With API 18, there is a way to encode content from a surface by calling createInputSurface() and then drawing on that surface.

我在createInputSurface()上收到IllegalStateException.这是额外的logcat输出:

I get IllegalStateException on createInputSurface(). Here's additional logcat output:

D/H264Encoder(17570): MediaFormat: {frame-rate=25, bitrate=1000000, height=600, mime=video/avc, color-format=19, i-frame-interval=75, width=800}
D/NvOsDebugPrintf(  125): NvMMLiteOpen : Block : BlockType = 4 
D/NvOsDebugPrintf(  125): NvRmPowerModuleClockControl on MOD[29] INST[0]
D/NvOsDebugPrintf(  125): NvRmModuleResetWithHold deassert MOD[29] INST[0]
D/NvOsDebugPrintf(  125): NvMMLiteBlockCreate : Block : BlockType = 4 
I/ACodec  (17570): setupVideoEncoder succeeded
E/OMXNodeInstance(  125): OMX_EnableAndroidNativeBuffers failed with error -2147479547 (0x80001005)
E/OMXNodeInstance(  125): createInputSurface requires AndroidOpaque color format
E/ACodec  (17570): [OMX.Nvidia.h264.encoder] onCreateInputSurface returning error -38
W/MediaCodec(17570): createInputSurface failed, err=-38

任何有关新API如何工作的见解都将有所帮助.

Any insight on how the new API works would be helpful.

推荐答案

重要的错误消息是:

createInputSurface requires AndroidOpaque color format

对于Surface输入，您必须 将颜色格式设置为COLOR_FormatSurface(也称为AndroidOpaque.)

For Surface input, you must set the color format to COLOR_FormatSurface (also known as AndroidOpaque.)

在此处中查看示例，尤其是EncodeAndMuxTest.

See examples here, notably EncodeAndMuxTest.

这篇关于MediaCodec createInputSurface的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！