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lavc: set the default rc_initial_buffer_occupancy

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rc_buffer_size is not set before.

Solve the initial the rate control underflow issue reported in
bug 222.

CC: libav-stable@libav.org

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit bff3607547)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Luca Barbato
2013-01-14 05:32:38 +01:00
parent c25bbb6fdb
commit 2da49df19e
2 changed files with 3 additions and 2 deletions
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3
libavcodec/utils.c
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@@ -810,6 +810,9 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD
} else if (avctx->channel_layout) {
avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
}
if (!avctx->rc_initial_buffer_occupancy)
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
}
if(avctx->codec->init && !(avctx->active_thread_type&FF_THREAD_FRAME)){