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Subject: [FFmpeg-devel] vcodec_open2 error: Internal bug,
 should not have happened
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I am trying to implement the OpenMax IL Video Decoder on ffmpeg. But I meet some problems. When I use the codec with ffmpeg on Chrome by force, it raised a error of bug
ffmpeg_video_decoder.cc(491)] avcodec_open2 error: Internal bug, should not have happened
I 'm not familiar with the version of ffmpeg in the last serveral years. My codec can run success when using&nbsp;
./ffmpeg -c:v h264_omxcodec -i test1.mp4 output_video.mp4
and I haven't find out how to enable logging of ffmpeg on Chrome(I don't know why&nbsp;av_log_set_callback() is useless when I used it),
so Is there anyone can give me some advices?


Thx a lot.


The FFCodec is used as following:&nbsp;


#define OFFSET(x) offsetof(OMXCodecDecoderContext, x)
#define VDE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define VE&nbsp; AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define VD&nbsp; AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM






static const AVCodecHWConfigInternal *const omx_hw_configs[] = {
&nbsp; &nbsp; &amp;(const AVCodecHWConfigInternal) {
&nbsp; &nbsp; &nbsp; &nbsp; .public&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = {
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .pix_fmt&nbsp; &nbsp; &nbsp;= AV_PIX_FMT_NV12,
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .methods&nbsp; &nbsp; &nbsp;= AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .device_type = AV_HWDEVICE_TYPE_OMX,
&nbsp; &nbsp; &nbsp; &nbsp; },
&nbsp; &nbsp; &nbsp; &nbsp; .hwaccel&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= NULL,
&nbsp; &nbsp; },
&nbsp; &nbsp; NULL
};




static const AVOption ff_omxcodec_vdec_options[] = {
&nbsp; &nbsp; { "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
&nbsp; &nbsp; { NULL }
};


#define DECLARE_OMX_VCLASS(short_name)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
static const AVClass ff_##short_name##_omxcodec_dec_class = {&nbsp; &nbsp;\
&nbsp; &nbsp; .class_name = #short_name "_libomxh264",&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .item_name&nbsp; = av_default_item_name,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; .option&nbsp; &nbsp; &nbsp;= ff_omxcodec_vdec_options,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; .version&nbsp; &nbsp; = LIBAVUTIL_VERSION_INT,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
};



#define DECLARE_OMX_VDEC(short_name, full_name, codec_id, bsf)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
DECLARE_OMX_VCLASS(short_name)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
const FFCodec ff_ ## short_name ## _omx_decoder = {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .p.name&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= #short_name "_omxcodec",&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; CODEC_LONG_NAME(full_name " OpenMAX IL decoder"),&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .p.type&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= AVMEDIA_TYPE_VIDEO,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .p.id&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= codec_id,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .p.priv_class&nbsp; &nbsp;= &amp;ff_##short_name##_omxcodec_dec_class,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; .priv_data_size = sizeof(OMXCodecDecoderContext),&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .init&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= omx_decode_init,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; FF_CODEC_DECODE_CB(omx_decode_frame),&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .close&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = omx_decode_end,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .flush&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = omx_decode_flush,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING ,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
&nbsp; &nbsp; .caps_internal&nbsp; = FF_CODEC_CAP_NOT_INIT_THREADSAFE |&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; FF_CODEC_CAP_SETS_PKT_DTS,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\
&nbsp; &nbsp; .bsfs&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= bsf,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp; .p.wrapper_name = "omxcodec",&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \
};&nbsp;&nbsp;



DECLARE_OMX_VDEC(h264,&nbsp; "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb")
DECLARE_OMX_VDEC(hevc,&nbsp; "H.265", AV_CODEC_ID_HEVC, "hevc_mp4toannexb")
DECLARE_OMX_VDEC(mpeg4, "MPEG-4", AV_CODEC_ID_MPEG4, NULL)








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