- AVCodecContext *codec_ctx = h->streams[0]->codec;
- enum AVPixelFormat video_pix_fmt = codec_ctx->pix_fmt;
- int video_width = codec_ctx->width;
- int video_height = codec_ctx->height;
- int bytes_per_pixel = ((codec_ctx->bits_per_coded_sample + 7) >> 3);
+ AVCodecParameters *par = h->streams[0]->codecpar;
+ enum AVPixelFormat video_pix_fmt = par->format;
+ int video_width = par->width;
+ int video_height = par->height;
+ int bytes_per_pixel = ((par->bits_per_coded_sample + 7) >> 3);