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mjpeg: propagate decode errors from ff_mjpeg_decode_sos and ff_mjpeg_decode_dqt 

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Dustin Brody 2011-08-11 11:16:09 -04:00 committed by Ronald S. Bultje
parent bac3ab13ea
commit 21d7037234
3 changed files with 15 additions and 5 deletions
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8
libavcodec/mjpegbdec.c
View File

@ -81,7 +81,9 @@ read_header:
{
init_get_bits(&s->gb, buf_ptr+dqt_offs, (buf_end - (buf_ptr+dqt_offs))*8);
s->start_code = DQT;
ff_mjpeg_decode_dqt(s);
if (ff_mjpeg_decode_dqt(s) < 0 &&
avctx->error_recognition >= FF_ER_EXPLODE)
return AVERROR_INVALIDDATA;
}
dht_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "dht is %d and size is %d\n");
@ -113,7 +115,9 @@ read_header:
init_get_bits(&s->gb, buf_ptr+sos_offs, field_size*8);
s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16));
s->start_code = SOS;
ff_mjpeg_decode_sos(s, NULL, NULL);
if (ff_mjpeg_decode_sos(s, NULL, NULL) < 0 &&
avctx->error_recognition >= FF_ER_EXPLODE)
return AVERROR_INVALIDDATA;
}
if (s->interlaced) {

4
libavcodec/mjpegdec.c
View File

@ -1525,7 +1525,9 @@ eoi_parser:
av_log(avctx, AV_LOG_WARNING, "Can not process SOS before SOF, skipping\n");
break;
}
ff_mjpeg_decode_sos(s, NULL, NULL);
if (ff_mjpeg_decode_sos(s, NULL, NULL) < 0 &&
avctx->error_recognition >= FF_ER_EXPLODE)
return AVERROR_INVALIDDATA;
/* buggy avid puts EOI every 10-20th frame */
/* if restart period is over process EOI */
if ((s->buggy_avid && !s->interlaced) || s->restart_interval)

8
libavcodec/mxpegdec.c
View File

@ -275,9 +275,13 @@ static int mxpeg_decode_frame(AVCodecContext *avctx,
return AVERROR(ENOMEM);
}
ff_mjpeg_decode_sos(jpg, s->mxm_bitmask, reference_ptr);
ret = ff_mjpeg_decode_sos(jpg, s->mxm_bitmask, reference_ptr);
if (ret < 0 && avctx->error_recognition >= FF_ER_EXPLODE)
return ret;
} else {
ff_mjpeg_decode_sos(jpg, NULL, NULL);
ret = ff_mjpeg_decode_sos(jpg, NULL, NULL);
if (ret < 0 && avctx->error_recognition >= FF_ER_EXPLODE)
return ret;
}
break;