From 8b5ec0875c8d00d62034ed1df7188b7c75baba3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Fri, 17 Apr 2009 08:42:08 +0000
Subject: [PATCH] Change tgq_decode_mb function arguments from using int8_t to
uint8_t, this does not really change the code (x86_64/gcc-4.3.3 results stay
unchanged) but avoids several casts and an aliasing violation that broke
decoding at least on PPC64/gcc-4.1.2.
Originally committed as revision 18541 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/eatgq.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libavcodec/eatgq.c b/libavcodec/eatgq.c
index bc1a072ecd..a854d5f4f8 100644
--- a/libavcodec/eatgq.c
+++ b/libavcodec/eatgq.c
@@ -140,13 +140,13 @@ static void tgq_idct_put_mb_dconly(TgqContext *s, int mb_x, int mb_y, const int8
}
}
-static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x, const int8_t **bs, const int8_t *buf_end){
+static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x, const uint8_t **bs, const uint8_t *buf_end){
int mode;
int i;
int8_t dc[6];
DCTELEM block[6][64];
- mode = bytestream_get_byte((const uint8_t**)bs);
+ mode = bytestream_get_byte(bs);
if (mode>buf_end-*bs) {
av_log(s->avctx, AV_LOG_ERROR, "truncated macroblock\n");
return;
@@ -228,7 +228,7 @@ static int tgq_decode_frame(AVCodecContext *avctx,
for (y=0; y<(avctx->height+15)/16; y++)
for (x=0; x<(avctx->width+15)/16; x++)
- tgq_decode_mb(s, y, x, (const int8_t**)&buf, (const int8_t*)buf_end);
+ tgq_decode_mb(s, y, x, &buf, buf_end);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->frame;