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Make mpeg4 encoder log a more explicit error message when the timebase

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is not valid.

Originally committed as revision 26223 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2011-01-05 11:36:43 +00:00
parent ccbbeeee97
commit 2d777bb7a2
1 changed files with 3 additions and 1 deletions
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4
libavcodec/mpegvideo_enc.c
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@ -525,7 +525,9 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
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;