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TDA4VM: tda4 编码H264

Part Number: TDA4VM

对于编码H264,我们这边有需求需要配置“profile”,但是基于gstreamer的硬编码模块 v4l2h264enc,没有这个配置属性,

         硬编码不支持profile,我尝试了软编码,基于ffmpeg,但是很多属性不支持设置:

[h264_v4l2m2m @ 0x378704c0] driver 'vxe-enc' on card 'vxe-enc'

[h264_v4l2m2m @ 0x378704c0] Using device /dev/video1

[h264_v4l2m2m @ 0x378704c0] driver 'vxe-enc' on card 'vxe-enc'

[h264_v4l2m2m @ 0x378704c0] [   74.718201] img_enc 4200000.video-encoder: vxe_g_ext_ctrls Invalid control id 0x9909ca

Failed to set number of B-frames

[h264_v4l2m2m @ 0x378704c0] Failed to set number of B-frames

[h264_v4l2m2m @ 0x378704c0] Failed to set timeperframeFailed to set header mode

[h264_v4l2m2m @ 0x378704c0] Failed to set bit rate

[h264_v4l2m2m @ 0x378704c0] Failed to set gop size

[h264_v4l2m2m @ 0x378704c0] Failed to set h264 profile

[h264_v4l2m2m @ 0x378704c0] Encoder adjusted: qmin (0), qmax (51)

[h264_v4l2m2m @ 0x378704c0] Failed to set minimum video quantizer scale

[h264_v4l2m2m @ 0x378704c0] Failed to set maximum video quantizer scale