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avformat/movenc: Check failure of allocation of ctts_entries and propagate error

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-25 14:32:22 +01:00
parent 47785b44b5
commit da048c6d24
1 changed files with 39 additions and 12 deletions
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51
libavformat/movenc.c
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@ -1723,6 +1723,8 @@ static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
int i;
ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
if (!ctts_entries)
return AVERROR(ENOMEM);
ctts_entries[0].count = 1;
ctts_entries[0].duration = track->cluster[0].cts;
for (i = 1; i < track->entry; i++) {
@ -1808,6 +1810,8 @@ static int mov_write_dref_tag(AVIOContext *pb)
static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
int ret;
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "stbl");
mov_write_stsd_tag(pb, track);
@ -1819,8 +1823,11 @@ static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
track->flags & MOV_TRACK_CTTS && track->entry)
mov_write_ctts_tag(pb, track);
track->flags & MOV_TRACK_CTTS && track->entry) {
if ((ret = mov_write_ctts_tag(pb, track)) < 0)
return ret;
}
mov_write_stsc_tag(pb, track);
mov_write_stsz_tag(pb, track);
mov_write_stco_tag(pb, track);
@ -2028,6 +2035,8 @@ static int mov_write_hmhd_tag(AVIOContext *pb)
static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
int ret;
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "minf");
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
@ -2048,7 +2057,8 @@ static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
mov_write_hdlr_tag(pb, NULL);
mov_write_dinf_tag(pb);
mov_write_stbl_tag(pb, track);
if ((ret = mov_write_stbl_tag(pb, track)) < 0)
return ret;
return update_size(pb, pos);
}
@ -2095,11 +2105,14 @@ static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
MOVTrack *track)
{
int64_t pos = avio_tell(pb);
int ret;
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "mdia");
mov_write_mdhd_tag(pb, mov, track);
mov_write_hdlr_tag(pb, track);
mov_write_minf_tag(pb, track);
if ((ret = mov_write_minf_tag(pb, track)) < 0)
return ret;
return update_size(pb, pos);
}
@ -2424,6 +2437,8 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
int64_t pos = avio_tell(pb);
int entry_backup = track->entry;
int chunk_backup = track->chunkCount;
int ret;
/* If we want to have an empty moov, but some samples already have been
* buffered (delay_moov), pretend that no samples have been written yet. */
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
@ -2445,7 +2460,9 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
if (track->tref_tag)
mov_write_tref_tag(pb, track);
mov_write_mdia_tag(pb, mov, track);
if ((ret = mov_write_mdia_tag(pb, mov, track)) < 0)
return ret;
if (track->mode == MODE_PSP)
mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
if (track->tag == MKTAG('r','t','p',' '))
@ -3041,7 +3058,9 @@ static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
mov_write_iods_tag(pb, mov);
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
int ret = mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
if (ret < 0)
return ret;
}
}
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
@ -3879,6 +3898,7 @@ static int mov_flush_fragment(AVFormatContext *s)
MOVMuxContext *mov = s->priv_data;
int i, first_track = -1;
int64_t mdat_size = 0;
int ret;
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
return 0;
@ -3901,7 +3921,8 @@ static int mov_flush_fragment(AVFormatContext *s)
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
mov_write_identification(s->pb, s);
mov_write_moov_tag(s->pb, mov, s);
if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
return ret;
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
if (mov->flags & FF_MOV_FLAG_FASTSTART)
@ -4949,7 +4970,8 @@ static int mov_write_header(AVFormatContext *s)
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
mov_write_moov_tag(pb, mov, s);
if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
return ret;
mov->fragments++;
if (mov->flags & FF_MOV_FLAG_FASTSTART)
mov->reserved_moov_pos = avio_tell(pb);
@ -4969,7 +4991,8 @@ static int get_moov_size(AVFormatContext *s)
if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
return ret;
mov_write_moov_tag(moov_buf, mov, s);
if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
return ret;
return ffio_close_null_buf(moov_buf);
}
@ -5152,11 +5175,13 @@ static int mov_write_trailer(AVFormatContext *s)
res = shift_data(s);
if (res == 0) {
avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
mov_write_moov_tag(pb, mov, s);
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
goto error;
}
} else if (mov->reserved_moov_size > 0) {
int64_t size;
mov_write_moov_tag(pb, mov, s);
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
goto error;
size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
if (size < 8){
av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
@ -5168,8 +5193,10 @@ static int mov_write_trailer(AVFormatContext *s)
ffio_fill(pb, 0, size - 8);
avio_seek(pb, moov_pos, SEEK_SET);
} else {
mov_write_moov_tag(pb, mov, s);
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
goto error;
}
res = 0;
} else {
mov_auto_flush_fragment(s);
for (i = 0; i < mov->nb_streams; i++)