virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

dnxhddec: return proper error code

Browse Source 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Alexandra Khirnova 2014-02-08 20:25:35 +00:00 committed by Vittorio Giovara
parent b0c2c097e4
commit 28e508a946
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libavcodec/dnxhddec.c
View File

@ -70,7 +70,7 @@ static int dnxhd_init_vlc(DNXHDContext *ctx, int cid)
if ((index = ff_dnxhd_get_cid_table(cid)) < 0) {
av_log(ctx->avctx, AV_LOG_ERROR, "unsupported cid %d\n", cid);
return -1;
return AVERROR(ENOSYS);
}
ctx->cid_table = &ff_dnxhd_cid_table[index];
@ -98,14 +98,14 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
const uint8_t *buf, int buf_size, int first_field)
{
static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
int i, cid;
int i, cid, ret;
if (buf_size < 0x280)
return -1;
return AVERROR_INVALIDDATA;
if (memcmp(buf, header_prefix, 5)) {
av_log(ctx->avctx, AV_LOG_ERROR, "error in header\n");
return -1;
return AVERROR_INVALIDDATA;
}
if (buf[5] & 2) { /* interlaced */
ctx->cur_field = buf[5] & 1;
@ -140,12 +140,12 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
cid = AV_RB32(buf + 0x28);
av_dlog(ctx->avctx, "compression id %d\n", cid);
if (dnxhd_init_vlc(ctx, cid) < 0)
return -1;
if ((ret = dnxhd_init_vlc(ctx, cid)) < 0)
return ret;
if (buf_size < ctx->cid_table->coding_unit_size) {
av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size\n");
return -1;
return AVERROR_INVALIDDATA;
}
ctx->mb_width = ctx->width>>4;
@ -159,7 +159,7 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
if (ctx->mb_height > 68 ||
(ctx->mb_height << frame->interlaced_frame) > (ctx->height+15)>>4) {
av_log(ctx->avctx, AV_LOG_ERROR, "mb height too big: %d\n", ctx->mb_height);
return -1;
return AVERROR_INVALIDDATA;
}
for (i = 0; i < ctx->mb_height; i++) {
@ -167,7 +167,7 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
av_dlog(ctx->avctx, "mb scan index %d\n", ctx->mb_scan_index[i]);
if (buf_size < ctx->mb_scan_index[i] + 0x280) {
av_log(ctx->avctx, AV_LOG_ERROR, "invalid mb scan index\n");
return -1;
return AVERROR_INVALIDDATA;
}
}
@ -338,8 +338,8 @@ static int dnxhd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_dlog(avctx, "frame size %d\n", buf_size);
decode_coding_unit:
if (dnxhd_decode_header(ctx, picture, buf, buf_size, first_field) < 0)
return -1;
if ((ret = dnxhd_decode_header(ctx, picture, buf, buf_size, first_field)) < 0)
return ret;
if ((avctx->width || avctx->height) &&
(ctx->width != avctx->width || ctx->height != avctx->height)) {