} else if (video_codec == CODEC_NV12) {
avstream_video->codecpar->codec_id = AV_CODEC_ID_RAWVIDEO;
avstream_video->codecpar->codec_tag = avcodec_pix_fmt_to_codec_tag(AV_PIX_FMT_NV12);
} else if (video_codec == CODEC_NV12) {
avstream_video->codecpar->codec_id = AV_CODEC_ID_RAWVIDEO;
avstream_video->codecpar->codec_tag = avcodec_pix_fmt_to_codec_tag(AV_PIX_FMT_NV12);