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author | Michael Niedermayer <michaelni@gmx.at> | 2011-11-09 00:54:58 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-11-09 01:03:40 +0100 |
commit | 57bf0d1fe53bd501cd2c060075ee9ba27a770bcd (patch) | |
tree | 5039c9b0d0fc2ed9419215d2219eff9c7d4c3aa1 /libavformat/psxstr.c | |
parent | 661e0811760844fd03d2f5cfe74c5736bb4b8ecc (diff) | |
parent | 3970d4e72809d9c9bf4c463ba1a6ab2650e3252b (diff) | |
download | ffmpeg-57bf0d1fe53bd501cd2c060075ee9ba27a770bcd.tar.gz |
Merge branch 'release/0.7' into oldabi
* release/0.7: (290 commits)
nuv: Fix combination of size changes and LZO compression.
av_lzo1x_decode: properly handle negative buffer length.
Do not call parse_keyframes_index with NULL stream.
update versions for 0.7 branch
Version numbers for 0.8.6
snow: emu edge support Fixes Ticket592
imc: validate channel count
imc: check for ff_fft_init() failure (cherry picked from commit 95fee70d6773fde1c34ff6422f48e5e66f37f263)
libgsmdec: check output buffer size before decoding (cherry picked from commit b03761b1309293bbf30edef767503875277b01cf)
configure: fix arch x86_32
mp3enc: avoid truncating id3v1 tags by one byte
asfdec: Check packet_replic_size earlier
cin audio: validate the channel count
binkaudio: add some buffer overread checks.
atrac1: validate number of channels (cherry picked from commit bff5b2c1ca1290ea30587ff2f76171f9e3854872)
atrac1: check output buffer size before decoding (cherry picked from commit 33684b9c12b74c0140fb91e8150263db4a48d55e)
vp3: fix oob read for negative tokens and memleaks on error. (cherry picked from commit 8370e426e42f2e4b9d14a1fb8107ecfe5163ce7f)
apedec: set s->currentframeblocks after validating nblocks
apedec: use unsigned int for 'nblocks' and make sure that it's within int range
apedec: check for data buffer realloc failure (cherry picked from commit 11ca8b2d7486e879926488404b3b79af774f0f2d)
...
Conflicts:
Changelog
Makefile
RELEASE
configure
libavcodec/error_resilience.c
libavcodec/mpegvideo.c
libavformat/matroskaenc.c
tests/ref/lavf/mxf
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/psxstr.c')
-rw-r--r-- | libavformat/psxstr.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/libavformat/psxstr.c b/libavformat/psxstr.c index 4376e743c4..398e44e128 100644 --- a/libavformat/psxstr.c +++ b/libavformat/psxstr.c @@ -68,6 +68,8 @@ static const char sync_header[12] = {0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf static int str_probe(AVProbeData *p) { uint8_t *sector= p->buf; + uint8_t *end= sector + p->buf_size; + int aud=0, vid=0; if (p->buf_size < RAW_CD_SECTOR_SIZE) return 0; @@ -79,20 +81,52 @@ static int str_probe(AVProbeData *p) sector += RIFF_HEADER_SIZE; } - /* look for CD sync header (00, 0xFF x 10, 00) */ - if (memcmp(sector,sync_header,sizeof(sync_header))) - return 0; + while (end - sector >= RAW_CD_SECTOR_SIZE) { + /* look for CD sync header (00, 0xFF x 10, 00) */ + if (memcmp(sector,sync_header,sizeof(sync_header))) + return 0; - if(sector[0x11] >= 32) - return 0; - if( (sector[0x12] & CDXA_TYPE_MASK) != CDXA_TYPE_VIDEO - && (sector[0x12] & CDXA_TYPE_MASK) != CDXA_TYPE_AUDIO - && (sector[0x12] & CDXA_TYPE_MASK) != CDXA_TYPE_DATA) - return 0; + if (sector[0x11] >= 32) + return 0; + + switch (sector[0x12] & CDXA_TYPE_MASK) { + case CDXA_TYPE_DATA: + case CDXA_TYPE_VIDEO: { + int current_sector = AV_RL16(§or[0x1C]); + int sector_count = AV_RL16(§or[0x1E]); + int frame_size = AV_RL32(§or[0x24]); + + if(!( frame_size>=0 + && current_sector < sector_count + && sector_count*VIDEO_DATA_CHUNK_SIZE >=frame_size)){ + return 0; + } + /*st->codec->width = AV_RL16(§or[0x28]); + st->codec->height = AV_RL16(§or[0x2A]);*/ + +// if (current_sector == sector_count-1) { + vid++; +// } + + } + break; + case CDXA_TYPE_AUDIO: + if(sector[0x13]&0x2A) + return 0; + aud++; + break; + default: + if(sector[0x12] & CDXA_TYPE_MASK) + return 0; + } + sector += RAW_CD_SECTOR_SIZE; + } /* MPEG files (like those ripped from VCDs) can also look like this; * only return half certainty */ - return 50; + if(vid+aud > 3) return 50; + else if(vid+aud) return 1; + else return 0; } static int str_read_header(AVFormatContext *s, |