[SCM] libav/experimental: Make mpeg4 encoder log a more explicit error message when the timebase is not valid.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 2d777bb7a20041ac0564ffef85bf40619af8ccd1
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Wed Jan 5 11:36:43 2011 +0000

    Make mpeg4 encoder log a more explicit error message when the timebase
    is not valid.
    
    Originally committed as revision 26223 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index f56fabe..0f7142b 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -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;

-- 
Libav/FFmpeg packaging