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avcodec/g2meet: Check init_get_bits8() return value 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-07 22:50:39 +02:00
parent 43e94d5af4
commit b1b0baa3d6
1 changed files with 8 additions and 3 deletions
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11
libavcodec/g2meet.c
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@ -253,7 +253,8 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
return ret;
jpg_unescape(src, src_size, c->buf, &unesc_size);
memset(c->buf + unesc_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
init_get_bits8(&gb, c->buf, unesc_size);
if((ret = init_get_bits8(&gb, c->buf, unesc_size)) < 0)
return ret;
width = FFALIGN(width, 16);
mb_w = width >> 4;
@ -317,7 +318,7 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
return 0;
}
static void kempf_restore_buf(const uint8_t *src, int len,
static int kempf_restore_buf(const uint8_t *src, int len,
uint8_t *dst, int stride,
const uint8_t *jpeg_tile, int tile_stride,
int width, int height,
@ -325,8 +326,10 @@ static void kempf_restore_buf(const uint8_t *src, int len,
{
GetBitContext gb;
int i, j, nb, col;
int ret;
init_get_bits8(&gb, src, len);
if ((ret = init_get_bits8(&gb, src, len)) < 0)
return ret;
if (npal <= 2) nb = 1;
else if (npal <= 4) nb = 2;
@ -344,6 +347,8 @@ static void kempf_restore_buf(const uint8_t *src, int len,
memcpy(dst + i * 3, jpeg_tile + i * 3, 3);
}
}
return 0;
}
static int kempf_decode_tile(G2MContext *c, int tile_x, int tile_y,