ffmpeg Could not find codec parameters for stream

作者：盐析白兔 | 2024-03-30 22:06:03

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could not find codec parameters

在arm上使用ffmpeg rtmp拉流时出现了下面异常：

[flv @ 0x1b0e120] Could not find codec parameters for stream 2 (Video: h264, none, 2560 kb/s): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, flv, from 'rtmp://devlivepull.migucloud.com/live/T4VBFHD7_C0':
Metadata:
fileSize : 0
audiochannels : 2
encoder :
Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
Stream #0:0: Data: none
Stream #0:1: Audio: aac, 44100 Hz, stereo, 163 kb/s
Stream #0:2: Video: h264, none, 2560 kb/s, 20 fps, 20 tbr, 1k tbn

是因为运行configure时将decoders关闭了：--disable-decoders。就带上对应的解码器--enable-decoder=h264

重新编译运行结果正确：

Metadata:
fileSize : 0
audiochannels : 2
encoder :
Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
Stream #0:0: Data: none
Stream #0:1: Audio: aac, 44100 Hz, stereo, 163 kb/s
Stream #0:2: Video: h264 (High), yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], 2560 kb/s, 20 fps, 20 tbr, 1k tbn, 40 tbc

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