ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-19 21:06:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge commit '6892d145a0c80249bd61ee7dd31ec851c5076bcd'

Browse Source 
* commit '6892d145a0c80249bd61ee7dd31ec851c5076bcd':
  segafilm: fix leaks if reading the header fails

Conflicts:
	libavformat/segafilm.c

See: ca5456db7f
Merged-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2a58d5fc0e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-06 17:12:15 +01:00
parent e6299a4cf9
commit c9a8dfa5ae
1 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
libavformat/segafilm.c
View File

@ -72,13 +72,22 @@ static int film_probe(AVProbeData *p)
return AVPROBE_SCORE_MAX;
}
static int film_read_close(AVFormatContext *s)
{
FilmDemuxContext *film = s->priv_data;
av_freep(&film->sample_table);
return 0;
}
static int film_read_header(AVFormatContext *s)
{
FilmDemuxContext *film = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *st;
unsigned char scratch[256];
int i;
int i, ret;
unsigned int data_offset;
unsigned int audio_frame_counter;
@ -203,14 +212,16 @@ static int film_read_header(AVFormatContext *s)
for (i = 0; i < film->sample_count; i++) {
/* load the next sample record and transfer it to an internal struct */
if (avio_read(pb, scratch, 16) != 16) {
av_freep(&film->sample_table);
return AVERROR(EIO);
ret = AVERROR(EIO);
goto fail;
}
film->sample_table[i].sample_offset =
data_offset + AV_RB32(&scratch[0]);
film->sample_table[i].sample_size = AV_RB32(&scratch[4]);
if (film->sample_table[i].sample_size > INT_MAX / 4)
return AVERROR_INVALIDDATA;
if (film->sample_table[i].sample_size > INT_MAX / 4) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
if (AV_RB32(&scratch[8]) == 0xFFFFFFFF) {
film->sample_table[i].stream = film->audio_stream_index;
film->sample_table[i].pts = audio_frame_counter;
@ -231,6 +242,9 @@ static int film_read_header(AVFormatContext *s)
film->current_sample = 0;
return 0;
fail:
film_read_close(s);
return ret;
}
static int film_read_packet(AVFormatContext *s,
@ -270,15 +284,6 @@ static int film_read_packet(AVFormatContext *s,
return ret;
}
static int film_read_close(AVFormatContext *s)
{
FilmDemuxContext *film = s->priv_data;
av_freep(&film->sample_table);
return 0;
}
AVInputFormat ff_segafilm_demuxer = {
.name = "film_cpk",
.long_name = NULL_IF_CONFIG_SMALL("Sega FILM / CPK"),