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oggdemux: implement old fLaC mapping

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This commit is contained in:
David Schleef 2009-12-10 22:47:53 -08:00
parent dc91454984
commit 118b62a764
1 changed files with 26 additions and 4 deletions
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30
ext/ogg/gstoggstream.c
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@ -568,7 +568,29 @@ setup_speex_mapper (GstOggStream * pad, ogg_packet * packet)
static gboolean
setup_fLaC_mapper (GstOggStream * pad, ogg_packet * packet)
{
/* FIXME punt on this for now */
pad->granulerate_n = 0;
pad->granulerate_d = 1;
pad->granuleshift = 0;
pad->n_header_packets = 3;
pad->caps = gst_caps_new_simple ("audio/x-flac", NULL);
return TRUE;
}
static gboolean
is_header_fLaC (GstOggStream * pad, ogg_packet * packet)
{
if (pad->n_header_packets_seen == 1) {
pad->granulerate_n = (packet->packet[14] << 12) |
(packet->packet[15] << 4) | ((packet->packet[16] >> 4) & 0xf);
}
if (pad->n_header_packets_seen < pad->n_header_packets) {
return TRUE;
}
return FALSE;
}
@ -1129,8 +1151,8 @@ static const GstOggMap mappers[] = {
setup_fLaC_mapper,
granulepos_to_granule_default,
granule_to_granulepos_default,
NULL,
is_header_count,
is_keyframe_true,
is_header_fLaC,
NULL
},
{
@ -1139,7 +1161,7 @@ static const GstOggMap mappers[] = {
setup_flac_mapper,
granulepos_to_granule_default,
granule_to_granulepos_default,
NULL,
is_keyframe_true,
is_header_count,
packet_duration_flac
},