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lavc/c93: use meaningful error codes

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-17 12:41:17 +00:00
parent 05b0337025
commit aadb7b3ac4
1 changed files with 7 additions and 7 deletions
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14
libavcodec/c93.c
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@ -83,7 +83,7 @@ static inline int copy_block(AVCodecContext *avctx, uint8_t *to,
if (from_y + height > HEIGHT) {
av_log(avctx, AV_LOG_ERROR, "invalid offset %d during C93 decoding\n",
offset);
return -1;
return AVERROR_INVALIDDATA;
}
if (overflow > 0) {
@ -127,16 +127,16 @@ static int decode_frame(AVCodecContext *avctx, void *data,
AVFrame *picture = data;
GetByteContext gb;
uint8_t *out;
int stride, i, x, y, b, bt = 0;
int stride, ret, i, x, y, b, bt = 0;
c93->currentpic ^= 1;
newpic->reference = 3;
newpic->buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE;
if (avctx->reget_buffer(avctx, newpic)) {
if ((ret = avctx->reget_buffer(avctx, newpic))) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;
return ret;
}
stride = newpic->linesize[0];
@ -167,7 +167,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
case C93_8X8_FROM_PREV:
offset = bytestream2_get_le16(&gb);
if (copy_block(avctx, out, copy_from, offset, 8, stride))
return -1;
return AVERROR_INVALIDDATA;
break;
case C93_4X4_FROM_CURR:
@ -178,7 +178,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
offset = bytestream2_get_le16(&gb);
if (copy_block(avctx, &out[j*stride+i],
copy_from, offset, 4, stride))
return -1;
return AVERROR_INVALIDDATA;
}
}
break;
@ -225,7 +225,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
default:
av_log(avctx, AV_LOG_ERROR, "unexpected type %x at %dx%d\n",
block_type, x, y);
return -1;
return AVERROR_INVALIDDATA;
}
bt >>= 4;
out += 8;