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测试条件:
1、服务端是Ubuntu 14.04,64位。按照文档部署好3.2.1,包括部署好libopenh264.so.0和修改video_agent/agent.toml文件中openh264Enbaled为true。
2、在Windows8环境中用VS2015修改CS_WebRTC_Client_SDK_Windows.v3.2.1中的基本例子(即ConferenceSampleQt工程),修改视频编码为H264(mc.video_codec = MediaCodec::H264)。
3、chrome版本是53.0.2785.101 m (64-bit)。在启动chrome的时候添加参数--enable-features=WebRTC-H264WithOpenH264FFmpeg,或者在chrome://flags/中修改“WebRTC H.264 软件视频编码器/解码器”为“已启动”。
测试过程:
Windows环境中启动基本例子程序(ConferenceSampleQt.exe),视频发布成功。在chrome中可以看到Windows发布的码流画面。然后在chrome://webrtc-internals/中查看Windows发布的码流编码,GoogCodecName仍为VP8。
请问我测试过程有问题吗?如何才能验证Windows发布的就是H264码流?
多谢!
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Chrome默认还是选择VP8,需要在JS代码中显式设置H.264。
如果你是使用我们的sample页面,尝试按照如下步骤修改。
找到MCU下的文件extras/basic_example/public/script2.js做如下修改:
找到所有conference.publish() 和conference.subscribe()调用的地方:
对于publish调用, 第二个参数原来是个空的json, 现在改为{videoCodec: ‘h264’}
对于subscribe调用,第二个参数如果原来是{video: videoOpt}, 现在改为{video:videoOpt, videoCodec: ‘h264’}。
改完之后刷新chrome页面即可。
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hi Lei,
我按照你上面的修改步骤修改后,MCU在编码模式上仍然启用VP8,请问还有什么地方需要修改或者可以查看的相关配置?
2017-06-14 11:43:22,580 - DEBUG: mcu.media.MsdkVideoCompositor - unsetAvatar(0)
2017-06-14 11:43:22,581 - DEBUG: mcu.media.MsdkVideoCompositor - deActivateInput = 0
2017-06-14 11:43:22,581 - DEBUG: mcu.media.MsdkVideoCompositor - flush - wait 1(ms)
2017-06-14 11:43:22,582 - DEBUG: mcu.media.MsdkVideoCompositor - flush successfully after 1(ms)
2017-06-14 11:43:22,582 - DEBUG: mcu.media.MsdkVideoCompositor - Configuring layout
2017-06-14 11:43:22,582 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged is true
2017-06-14 11:43:22,610 - DEBUG: mcu.media.MsdkVideoCompositor - commit customlayout
2017-06-14 11:43:22,610 - DEBUG: mcu.media.MsdkVideoCompositor - swap r <-> b, yuv 0x0, 0x80, 0x80 -> 0x0, 0x80, 0x80
2017-06-14 11:43:22,611 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged sets to false after commitLayout!
2017-06-14 11:43:22,669 - DEBUG: woogeen.VCMFrameEncoder - (0x29347d0)degenerateStream(0)
2017-06-14 11:43:23,300 - DEBUG: woogeen.MsdkFrameEncoder - generateStream[0]: {.width=640, .height=480, .bitrateKbps=800}
2017-06-14 11:43:23,332 - DEBUG: woogeen.MsdkFrameDecoder - (0x22b42f0)Created H.264 deocder.
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - activateInput = 0
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - setAvatar(0) = avatar.180x180.yuv
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - Configuring layout
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged is true
2017-06-14 11:43:23,336 - DEBUG: mcu.media.MsdkVideoCompositor - commit customlayout
2017-06-14 11:43:23,336 - DEBUG: mcu.media.MsdkVideoCompositor - swap r <-> b, yuv 0x0, 0x80, 0x80 -> 0x0, 0x80, 0x80
2017-06-14 11:43:23,337 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged sets to false after commitLayout!
2017-06-14 11:43:24,327 - INFO: woogeen.StreamEncoder - (0x22ba510)Do requeset key frame!
2017-06-14 11:43:24,335 - INFO: woogeen.RawTransport - Increasing the buffer size: 12528
2017-06-14 11:43:24,335 - DEBUG: woogeen.MsdkFrameDecoder - (0x22b42f0)Decode header successed after 0 frames!
2017-06-14 11:43:25,320 - INFO: woogeen.StreamEncoder - (0x22ba510)Do requeset key frame!
2017-06-14 11:43:25,329 - DEBUG: woogeen.MsdkFrameEncoder - degenerateStream[0]
2017-06-14 11:43:25,506 - DEBUG: woogeen.VCMFrameEncoder - (0x22bca80)Create encoder(VP8)
2017-06-14 11:43:25,513 - DEBUG: woogeen.VCMFrameEncoder - (0x22bca80)generateStream: {.width=640, .height=480, .bitrateKbps=800}, simulcastId=0
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Hi lei
按照你的修改建议后MCU在编码模式上仍然使用VP8,是否还有其它需要修改或者有哪些条件未满足?
2017-06-14 11:43:23,300 - DEBUG: woogeen.MsdkFrameEncoder - generateStream[0]: {.width=640, .height=480, .bitrateKbps=800}
2017-06-14 11:43:23,332 - DEBUG: woogeen.MsdkFrameDecoder - (0x22b42f0)Created H.264 deocder.
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - activateInput = 0
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - setAvatar(0) = avatar.180x180.yuv
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - Configuring layout
2017-06-14 11:43:23,332 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged is true
2017-06-14 11:43:23,336 - DEBUG: mcu.media.MsdkVideoCompositor - commit customlayout
2017-06-14 11:43:23,336 - DEBUG: mcu.media.MsdkVideoCompositor - swap r <-> b, yuv 0x0, 0x80, 0x80 -> 0x0, 0x80, 0x80
2017-06-14 11:43:23,337 - DEBUG: mcu.media.MsdkVideoCompositor - configChanged sets to false after commitLayout!
2017-06-14 11:43:24,327 - INFO: woogeen.StreamEncoder - (0x22ba510)Do requeset key frame!
2017-06-14 11:43:24,335 - INFO: woogeen.RawTransport - Increasing the buffer size: 12528
2017-06-14 11:43:24,335 - DEBUG: woogeen.MsdkFrameDecoder - (0x22b42f0)Decode header successed after 0 frames!
2017-06-14 11:43:25,320 - INFO: woogeen.StreamEncoder - (0x22ba510)Do requeset key frame!
2017-06-14 11:43:25,329 - DEBUG: woogeen.MsdkFrameEncoder - degenerateStream[0]
2017-06-14 11:43:25,506 - DEBUG: woogeen.VCMFrameEncoder - (0x22bca80)Create encoder(VP8)
2017-06-14 11:43:25,513 - DEBUG: woogeen.VCMFrameEncoder - (0x22bca80)generateStream: {.width=640, .height=480, .bitrateKbps=800}, simulcastId=0

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