diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/demuxers/demux_aac.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/src/demuxers/demux_aac.c b/src/demuxers/demux_aac.c index d329cc087..3edd0bca4 100644 --- a/src/demuxers/demux_aac.c +++ b/src/demuxers/demux_aac.c @@ -70,42 +70,36 @@ typedef struct { static int open_aac_file(demux_aac_t *this) { int i; uint8_t peak[MAX_PREVIEW_SIZE]; + uint32_t signature; uint16_t syncword = 0; uint32_t id3size = 0; off_t data_start = 0; _x_assert(MAX_PREVIEW_SIZE > 10); - /* Get enough data to be able to check the size of ID3 tag */ - if (_x_demux_read_header(this->input, peak, 10) != 10) + if (_x_demux_read_header(this->input, &signature, 4) != 4) return 0; /* Check if there's an ID3v2 tag at the start */ - if ( id3v2_istag(peak) ) { - id3size = _X_BE_32_synchsafe(&peak[6]); - + if ( id3v2_istag(signature) ) { this->input->seek(this->input, 4, SEEK_SET); - id3v2_parse_tag(this->input, this->stream, peak); - - lprintf("ID3v2 tag encountered, skipping %u bytes.\n", id3size); + id3v2_parse_tag(this->input, this->stream, signature); } - if ( this->input->read(this->input, peak, 4) != 4 ) + if ( this->input->read(this->input, &signature, 4) != 4 ) return 0; /* Check for an ADIF header - should be at the start of the file */ - if ((peak[0] == 'A') && (peak[1] == 'D') && - (peak[2] == 'I') && (peak[3] == 'F')) { + if ( signature == ME_FOURCC('A', 'D', 'I', 'F') ) { lprintf("found ADIF header\n"); return 1; } /* Look for an ADTS header - might not be at the start of the file */ - if ( id3size != 0 && this->input->get_capabilities(this->input) & INPUT_CAP_SEEKABLE ) { - lprintf("Getting a buffer of size %u starting from %u\n", MAX_PREVIEW_SIZE, id3size); + if ( this->input->get_capabilities(this->input) & INPUT_CAP_SEEKABLE ) { + lprintf("Getting a buffer of size %u\n", MAX_PREVIEW_SIZE); - this->input->seek(this->input, id3size, SEEK_SET); if ( this->input->read(this->input, peak, MAX_PREVIEW_SIZE) != MAX_PREVIEW_SIZE ) return 0; this->input->seek(this->input, 0, SEEK_SET); |