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mpv
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Free track data if error occurs while reading trackentry 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20141 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-10-09 18:48:55 +00:00
parent 489846074c
commit ccff4a6164
1 changed files with 41 additions and 30 deletions
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71
libmpdemux/demux_mkv.c
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@ -1015,6 +1015,31 @@ demux_mkv_read_trackvideo (demuxer_t *demuxer, mkv_track_t *track)
return len;
}
/**
* \brief free any data associated with given track
* \param track track of which to free data
*/
static void
demux_mkv_free_trackentry(mkv_track_t *track) {
if (track->name)
free (track->name);
if (track->codec_id)
free (track->codec_id);
if (track->language)
free (track->language);
if (track->private_data)
free (track->private_data);
if (track->audio_buf)
free (track->audio_buf);
if (track->audio_timestamp)
free (track->audio_timestamp);
#ifdef USE_ASS
if (track->sh_sub.ass_track)
ass_free_track (track->sh_sub.ass_track);
#endif
demux_mkv_free_encodings(track->encodings, track->num_encodings);
}
static int
demux_mkv_read_trackentry (demuxer_t *demuxer)
{
@ -1040,7 +1065,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
{
uint64_t num = ebml_read_uint (s, &l);
if (num == EBML_UINT_INVALID)
return 0;
goto err_out;
track->tnum = num;
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Track number: %u\n",
track->tnum);
@ -1051,7 +1076,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
{
track->name = ebml_read_utf8 (s, &l);
if (track->name == NULL)
return 0;
goto err_out;
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Name: %s\n",
track->name);
break;
@ -1086,20 +1111,20 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Audio track\n");
l = demux_mkv_read_trackaudio (demuxer, track);
if (l == 0)
return 0;
goto err_out;
break;
case MATROSKA_ID_TRACKVIDEO:
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Video track\n");
l = demux_mkv_read_trackvideo (demuxer, track);
if (l == 0)
return 0;
goto err_out;
break;
case MATROSKA_ID_CODECID:
track->codec_id = ebml_read_ascii (s, &l);
if (track->codec_id == NULL)
return 0;
goto err_out;
if (!strcmp (track->codec_id, MKV_V_MSCOMP) ||
!strcmp (track->codec_id, MKV_A_ACM))
track->ms_compat = 1;
@ -1131,7 +1156,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
l = x + num;
track->private_data = malloc (num);
if (stream_read(s, track->private_data, num) != (int) num)
return 0;
goto err_out;
track->private_size = num;
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + CodecPrivate, length "
"%u\n", track->private_size);
@ -1141,7 +1166,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
case MATROSKA_ID_TRACKLANGUAGE:
track->language = ebml_read_utf8 (s, &l);
if (track->language == NULL)
return 0;
goto err_out;
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Language: %s\n",
track->language);
break;
@ -1150,7 +1175,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
{
uint64_t num = ebml_read_uint (s, &l);
if (num == EBML_UINT_INVALID)
return 0;
goto err_out;
track->default_track = num;
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Default flag: %u\n",
track->default_track);
@ -1161,7 +1186,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
{
uint64_t num = ebml_read_uint (s, &l);
if (num == EBML_UINT_INVALID)
return 0;
goto err_out;
if (num == 0)
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Default duration: 0");
else
@ -1177,7 +1202,7 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
case MATROSKA_ID_TRACKENCODINGS:
l = demux_mkv_read_trackencodings (demuxer, track);
if (l == 0)
return 0;
goto err_out;
break;
default:
@ -1189,6 +1214,11 @@ demux_mkv_read_trackentry (demuxer_t *demuxer)
mkv_d->tracks[mkv_d->num_tracks++] = track;
return len;
err_out:
demux_mkv_free_trackentry(track);
free(track);
return 0;
}
static int
@ -2702,26 +2732,7 @@ demux_close_mkv (demuxer_t *demuxer)
if (mkv_d->tracks)
{
for (i=0; i<mkv_d->num_tracks; i++)
{
if (mkv_d->tracks[i]->name)
free (mkv_d->tracks[i]->name);
if (mkv_d->tracks[i]->codec_id)
free (mkv_d->tracks[i]->codec_id);
if (mkv_d->tracks[i]->language)
free (mkv_d->tracks[i]->language);
if (mkv_d->tracks[i]->private_data)
free (mkv_d->tracks[i]->private_data);
if (mkv_d->tracks[i]->audio_buf)
free (mkv_d->tracks[i]->audio_buf);
if (mkv_d->tracks[i]->audio_timestamp)
free (mkv_d->tracks[i]->audio_timestamp);
#ifdef USE_ASS
if (mkv_d->tracks[i]->sh_sub.ass_track)
ass_free_track (mkv_d->tracks[i]->sh_sub.ass_track);
#endif
demux_mkv_free_encodings(mkv_d->tracks[i]->encodings,
mkv_d->tracks[i]->num_encodings);
}
demux_mkv_free_trackentry(mkv_d->tracks[i]);
for (i=0; i < SUB_MAX_TEXT; i++)
if (mkv_d->subs.text[i])
free (mkv_d->subs.text[i]);