From 5cce4dd761aafa8ff26f5262085449f40314a0e3 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 26 Mar 2004 21:58:55 +0000
Subject: [PATCH] ensure that the bitstream buffers for encoding partitioned
frames are aligned
Originally committed as revision 2935 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/h263.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index ab10a693bec..f2605c5fabc 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -2996,13 +2996,12 @@ void ff_mpeg4_init_partitions(MpegEncContext *s)
uint8_t *start= pbBufPtr(&s->pb);
uint8_t *end= s->pb.buf_end;
int size= end - start;
- int pb_size = size/3;
- int pb2_size= size/3;
- int tex_size= size - pb_size - pb2_size;
+ int pb_size = (size/3)&(~1);
+ int tex_size= size - 2*pb_size;
set_put_bits_buffer_size(&s->pb, pb_size);
init_put_bits(&s->tex_pb, start + pb_size , tex_size);
- init_put_bits(&s->pb2 , start + pb_size + tex_size, pb2_size);
+ init_put_bits(&s->pb2 , start + pb_size + tex_size, pb_size);
}
void ff_mpeg4_merge_partitions(MpegEncContext *s)
--
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