avformat/matroskadec: Use av_freep() to avoid leaving stale pointers in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6e70e4aca50696040cc9256ec96e5c31d9641432)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-06 12:48:38 +01:00
parent bbfe0f7b08
commit 7959b9a0f3

View File

@ -1078,7 +1078,7 @@ static void ebml_free(EbmlSyntax *syntax, void *data)
for (j = 0; j < list->nb_elem;
j++, ptr += syntax[i].list_elem_size)
ebml_free(syntax[i].def.n, ptr);
av_free(list->elem);
av_freep(&list->elem);
} else
ebml_free(syntax[i].def.n, data_off);
default:
@ -2189,7 +2189,7 @@ static int matroska_deliver_packet(MatroskaDemuxContext *matroska,
{
if (matroska->num_packets > 0) {
memcpy(pkt, matroska->packets[0], sizeof(AVPacket));
av_free(matroska->packets[0]);
av_freep(&matroska->packets[0]);
if (matroska->num_packets > 1) {
void *newpackets;
memmove(&matroska->packets[0], &matroska->packets[1],
@ -2220,7 +2220,7 @@ static void matroska_clear_queue(MatroskaDemuxContext *matroska)
int n;
for (n = 0; n < matroska->num_packets; n++) {
av_free_packet(matroska->packets[n]);
av_free(matroska->packets[n]);
av_freep(&matroska->packets[n]);
}
av_freep(&matroska->packets);
matroska->num_packets = 0;
@ -3068,7 +3068,7 @@ static int matroska_read_close(AVFormatContext *s)
for (n = 0; n < matroska->tracks.nb_elem; n++)
if (tracks[n].type == MATROSKA_TRACK_TYPE_AUDIO)
av_free(tracks[n].audio.buf);
av_freep(&tracks[n].audio.buf);
ebml_free(matroska_cluster, &matroska->current_cluster);
ebml_free(matroska_segment, matroska);