* Copyright (c) 2001, 2002 Fabrice Bellard
*
* Sony Wave64 demuxer
+ * RF64 demuxer
* Copyright (c) 2009 Daniel Verkamp
*
* This file is part of FFmpeg.
/* check file header */
if (p->buf_size <= 32)
return 0;
- if (p->buf[ 0] == 'R' && p->buf[ 1] == 'I' &&
- p->buf[ 2] == 'F' && p->buf[ 3] == 'F' &&
- p->buf[ 8] == 'W' && p->buf[ 9] == 'A' &&
- p->buf[10] == 'V' && p->buf[11] == 'E')
+ if (!memcmp(p->buf + 8, "WAVE", 4)) {
+ if (!memcmp(p->buf, "RIFF", 4))
/*
Since ACT demuxer has standard WAV header at top of it's own,
returning score is decreased to avoid probe conflict
between ACT and WAV.
*/
return AVPROBE_SCORE_MAX - 1;
- else
+ else if (!memcmp(p->buf, "RF64", 4) &&
+ !memcmp(p->buf + 12, "ds64", 4))
+ return AVPROBE_SCORE_MAX;
+ }
return 0;
}
static int wav_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
- int64_t size;
+ int64_t size, av_uninit(data_size);
+ int rf64;
unsigned int tag;
ByteIOContext *pb = s->pb;
AVStream *st;
/* check RIFF header */
tag = get_le32(pb);
- if (tag != MKTAG('R', 'I', 'F', 'F'))
+ rf64 = tag == MKTAG('R', 'F', '6', '4');
+ if (!rf64 && tag != MKTAG('R', 'I', 'F', 'F'))
return -1;
get_le32(pb); /* file size */
tag = get_le32(pb);
if (tag != MKTAG('W', 'A', 'V', 'E'))
return -1;
+ if (rf64) {
+ if (get_le32(pb) != MKTAG('d', 's', '6', '4'))
+ return -1;
+ size = get_le32(pb);
+ if (size < 16)
+ return -1;
+ get_le64(pb); /* RIFF size */
+ data_size = get_le64(pb);
+ url_fskip(pb, size - 16); /* skip rest of ds64 chunk */
+ }
+
/* parse fmt header */
size = find_tag(pb, MKTAG('f', 'm', 't', ' '));
if (size < 0)
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
size = find_tag(pb, MKTAG('d', 'a', 't', 'a'));
+ if (rf64)
+ size = data_size;
if (size < 0)
return -1;
wav->data_end= url_ftell(pb) + size;