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targa: return more meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-11 09:44:36 +00:00
parent 7dab48bb73
commit 2a374f06c4
1 changed files with 8 additions and 8 deletions
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16
libavcodec/targa.c
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@ -115,7 +115,7 @@ static int decode_frame(AVCodecContext *avctx,
AVFrame * const p = &s->picture;
uint8_t *dst;
int stride;
int idlen, pal, compr, y, w, h, bpp, flags;
int idlen, pal, compr, y, w, h, bpp, flags, ret;
int first_clr, colors, csize;
int interleave;
@ -166,19 +166,19 @@ static int decode_frame(AVCodecContext *avctx,
break;
default:
av_log(avctx, AV_LOG_ERROR, "Bit depth %i is not supported\n", bpp);
return -1;
return AVERROR_INVALIDDATA;
}
if (s->picture.data[0])
avctx->release_buffer(avctx, &s->picture);
if (av_image_check_size(w, h, 0, avctx))
return -1;
if ((ret = av_image_check_size(w, h, 0, avctx)))
return ret;
if (w != avctx->width || h != avctx->height)
avcodec_set_dimensions(avctx, w, h);
if (avctx->get_buffer(avctx, p) < 0) {
if ((ret = avctx->get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
if (flags & TGA_TOPTOBOTTOM) {
@ -196,7 +196,7 @@ static int decode_frame(AVCodecContext *avctx,
int pal_size, pal_sample_size;
if ((colors + first_clr) > 256) {
av_log(avctx, AV_LOG_ERROR, "Incorrect palette: %i colors with offset %i\n", colors, first_clr);
return -1;
return AVERROR_INVALIDDATA;
}
switch (csize) {
case 32: pal_sample_size = 4; break;
@ -205,7 +205,7 @@ static int decode_frame(AVCodecContext *avctx,
case 15: pal_sample_size = 2; break;
default:
av_log(avctx, AV_LOG_ERROR, "Palette entry size %i bits is not supported\n", csize);
return -1;
return AVERROR_INVALIDDATA;
}
pal_size = colors * pal_sample_size;
if (avctx->pix_fmt != AV_PIX_FMT_PAL8) //should not occur but skip palette anyway