eamad: return meaningful error codes

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-17 20:28:52 +00:00
parent d98364edce
commit e3edee6d2f

View File

@ -233,14 +233,14 @@ static int decode_frame(AVCodecContext *avctx,
int buf_size = avpkt->size;
const uint8_t *buf_end = buf+buf_size;
MadContext *s = avctx->priv_data;
int width, height;
int width, height, ret;
int chunk_type;
int inter;
if (buf_size < 26) {
av_log(avctx, AV_LOG_ERROR, "Input buffer too small\n");
*data_size = 0;
return -1;
return AVERROR_INVALIDDATA;
}
chunk_type = AV_RL32(&buf[0]);
@ -257,9 +257,9 @@ static int decode_frame(AVCodecContext *avctx,
if (avctx->width != width || avctx->height != height) {
if((width * height)/2048*7 > buf_end-buf)
return -1;
if (av_image_check_size(width, height, 0, avctx) < 0)
return -1;
return AVERROR_INVALIDDATA;
if ((ret = av_image_check_size(width, height, 0, avctx)) < 0)
return ret;
avcodec_set_dimensions(avctx, width, height);
if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
@ -269,9 +269,9 @@ static int decode_frame(AVCodecContext *avctx,
s->frame.reference = 3;
if (!s->frame.data[0]) {
if (avctx->get_buffer(avctx, &s->frame) < 0) {
if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
}
@ -285,7 +285,7 @@ static int decode_frame(AVCodecContext *avctx,
for (s->mb_y=0; s->mb_y < (avctx->height+15)/16; s->mb_y++)
for (s->mb_x=0; s->mb_x < (avctx->width +15)/16; s->mb_x++)
if(decode_mb(s, inter) < 0)
return -1;
return AVERROR_INVALIDDATA;
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->frame;