avfilter/vf_showinfo: check if the s12m data size is valid

Limin Wang committed 6 years ago

Commit aa822001 parent 9f1d2f41 file · +4 −0Browse files

Unified · Split

libavfilter/vf_showinfo.c+4−0

@@ -318,6 +318,10 @@ static int filter_frame(AVFilterLink inlink, AVFrame frame) · 317 unmodified lines
318	318	break;
319	319	case AV_FRAME_DATA_S12M_TIMECODE: {
320	320	uint32_t tc = (uint32_t)sd->data;
	321	+ if (sd->size != 16) {
	322	+ av_log(ctx, AV_LOG_ERROR, "invalid data");
	323	+ break;
	324	+ }
321	325	for (int j = 1; j <= tc[0]; j++) {
322	326	char tcbuf[AV_TIMECODE_STR_SIZE];
323	327	av_timecode_make_smpte_tc_string(tcbuf, tc[j], 0);