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lavc/dxa: return meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-05 20:28:45 +00:00
parent 0aabd35b62
commit 9f66531d46
1 changed files with 9 additions and 8 deletions
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17
libavcodec/dxa.c
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@ -180,7 +180,7 @@ static int decode_13(AVCodecContext *avctx, DxaDecContext *c, uint8_t* dst, uint
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown opcode %d\n", type);
return -1;
return AVERROR_INVALIDDATA;
}
}
dst += stride * 4;
@ -196,7 +196,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
DxaDecContext * const c = avctx->priv_data;
uint8_t *outptr, *srcptr, *tmpptr;
unsigned long dsize;
int i, j, compr;
int i, j, compr, ret;
int stride;
int orig_buf_size = buf_size;
int pc = 0;
@ -216,9 +216,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
buf_size -= 768+4;
}
if(ff_get_buffer(avctx, &c->pic) < 0){
if ((ret = ff_get_buffer(avctx, &c->pic)) < 0){
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
memcpy(c->pic.data[1], c->pal, AVPALETTE_SIZE);
c->pic.palette_has_changed = pc;
@ -236,7 +236,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
dsize = c->dsize;
if((compr != 4 && compr != -1) && uncompress(c->decomp_buf, &dsize, buf + 9, buf_size - 9) != Z_OK){
av_log(avctx, AV_LOG_ERROR, "Uncompress failed!\n");
return -1;
return AVERROR_INVALIDDATA;
}
switch(compr){
case -1:
@ -279,7 +279,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown/unsupported compression type %d\n", buf[4]);
return -1;
return AVERROR_INVALIDDATA;
}
FFSWAP(AVFrame, c->pic, c->prev);
@ -303,9 +303,10 @@ static av_cold int decode_init(AVCodecContext *avctx)
avcodec_get_frame_defaults(&c->prev);
c->dsize = avctx->width * avctx->height * 2;
if((c->decomp_buf = av_malloc(c->dsize)) == NULL) {
c->decomp_buf = av_malloc(c->dsize);
if (!c->decomp_buf) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return -1;
return AVERROR(ENOMEM);
}
return 0;