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Code Issues Releases Activity

vmnc: Use meaningful return values

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This commit is contained in:
Luca Barbato 2013-10-09 05:58:59 +02:00
parent 5e992a4682
commit 071e29af4d
1 changed files with 9 additions and 9 deletions
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18
libavcodec/vmnc.c
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@ -259,7 +259,7 @@ static int decode_hextile(VmncContext *c, uint8_t* dst, GetByteContext *gb,
for (i = 0; i < w; i += 16, dst2 += 16 * bpp) {
if (bytestream2_get_bytes_left(gb) <= 0) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1;
return AVERROR_INVALIDDATA;
}
if (i + 16 > w)
bw = w - i;
@ -267,7 +267,7 @@ static int decode_hextile(VmncContext *c, uint8_t* dst, GetByteContext *gb,
if (flags & HT_RAW) {
if (bytestream2_get_bytes_left(gb) < bw * bh * bpp) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1;
return AVERROR_INVALIDDATA;
}
paint_raw(dst2, bw, bh, gb, bpp, c->bigendian, stride);
} else {
@ -284,7 +284,7 @@ static int decode_hextile(VmncContext *c, uint8_t* dst, GetByteContext *gb,
if (bytestream2_get_bytes_left(gb) < rects * (color * bpp + 2)) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return -1;
return AVERROR_INVALIDDATA;
}
for (k = 0; k < rects; k++) {
if (color)
@ -373,7 +373,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_ERROR,
"Premature end of data! (need %i got %i)\n",
2 + w * h * c->bpp2 * 2, size_left);
return -1;
return AVERROR_INVALIDDATA;
}
bytestream2_skip(gb, 2);
c->cur_w = w;
@ -429,7 +429,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if (c->bigendian & (~1)) {
av_log(avctx, AV_LOG_INFO,
"Invalid header: bigendian flag = %i\n", c->bigendian);
return -1;
return AVERROR_INVALIDDATA;
}
//skip the rest of pixel format data
bytestream2_skip(gb, 13);
@ -442,13 +442,13 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_ERROR,
"Incorrect frame size: %ix%i+%ix%i of %ix%i\n",
w, h, dx, dy, c->width, c->height);
return -1;
return AVERROR_INVALIDDATA;
}
if (size_left < w * h * c->bpp2) {
av_log(avctx, AV_LOG_ERROR,
"Premature end of data! (need %i got %i)\n",
w * h * c->bpp2, size_left);
return -1;
return AVERROR_INVALIDDATA;
}
paint_raw(outptr, w, h, gb, c->bpp2, c->bigendian,
c->pic.linesize[0]);
@ -458,11 +458,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_ERROR,
"Incorrect frame size: %ix%i+%ix%i of %ix%i\n",
w, h, dx, dy, c->width, c->height);
return -1;
return AVERROR_INVALIDDATA;
}
res = decode_hextile(c, outptr, gb, w, h, c->pic.linesize[0]);
if (res < 0)
return -1;
return res;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported block type 0x%08X\n", enc);