vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = AV_CODEC_ID_SANM;
vst->codec->codec_tag = 0;
vst->codec->width = width;
vst->codec->height = height;
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_id = AV_CODEC_ID_SANM;
vst->codec->codec_tag = 0;
vst->codec->width = width;
vst->codec->height = height;