avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
- av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
+ av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, "
+ "the maximum admitted value for the timebase denominator is %d\n",
+ s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1);
return -1;
}
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;