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| author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2007-06-25 21:31:33 +0000 |
|---|---|---|
| committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2007-06-25 21:31:33 +0000 |
| commit | 620d1d787863644912cd8ec8bb8b5e0bcd2c4e3a (patch) | |
| tree | 1dd202acdc86f50a5c9c374ef6c41578ecc391b1 | |
| parent | 05d00e953f4cc08273fbb5f795f4fdc307140108 (diff) | |
| download | ffmpeg-620d1d787863644912cd8ec8bb8b5e0bcd2c4e3a.tar.gz | |
support files with COMM chunk after SSND, fix invalid_nocommon.aiff which is spec compliant
Originally committed as revision 9428 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavformat/aiff.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libavformat/aiff.c b/libavformat/aiff.c index af06badd2d..da011ca0bc 100644 --- a/libavformat/aiff.c +++ b/libavformat/aiff.c @@ -289,7 +289,8 @@ static int aiff_probe(AVProbeData *p) static int aiff_read_header(AVFormatContext *s, AVFormatParameters *ap) { - int size, filesize, offset; + int size, filesize; + offset_t offset = 0; uint32_t tag; unsigned version = AIFF_C_VERSION1; ByteIOContext *pb = &s->pb; @@ -327,6 +328,8 @@ static int aiff_read_header(AVFormatContext *s, st->nb_frames = get_aiff_header (pb, st->codec, size, version); if (st->nb_frames < 0) return st->nb_frames; + if (offset > 0) // COMM is after SSND + goto got_sound; break; case MKTAG('F', 'V', 'E', 'R'): /* Version chunk */ @@ -352,7 +355,15 @@ static int aiff_read_header(AVFormatContext *s, case MKTAG('S', 'S', 'N', 'D'): /* Sampled sound chunk */ get_be32(pb); /* Block align... don't care */ offset = get_be32(pb); /* Offset of sound data */ - goto got_sound; + offset += url_ftell(pb); /* Compute absolute data offset */ + if (st->codec->codec_id) /* Assume COMM already parsed */ + goto got_sound; + if (url_is_streamed(pb)) { + av_log(s, AV_LOG_ERROR, "file is not seekable\n"); + return -1; + } + url_fskip(pb, size - 8); + break; default: /* Jump */ if (size & 1) /* Always even aligned */ @@ -374,7 +385,7 @@ got_sound: st->duration = st->nb_frames; /* Position the stream at the first block */ - url_fskip(pb, offset); + url_fseek(pb, offset, SEEK_SET); return 0; } |