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mpegvideoenc: Fail if a buffer size is specified without a max rate.

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This combination makes not much sense.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-18 05:36:23 +01:00
parent 49f2056289
commit f21b6159cf
1 changed files with 2 additions and 4 deletions
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6
libavcodec/mpegvideo_enc.c
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@ -392,10 +392,8 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
s->obmc = !!(s->flags & CODEC_FLAG_OBMC); s->obmc = !!(s->flags & CODEC_FLAG_OBMC);
#endif #endif
if (avctx->rc_max_rate && !avctx->rc_buffer_size) { if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
"a vbv buffer size is needed, "
"for encoding with a maximum bitrate\n");
return -1; return -1;
} }