Commit 8b5ec087 authored by Reimar Döffinger's avatar Reimar Döffinger

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
parent a7c6e117
......@@ -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;
......
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