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vorbisparse: be smarter when queueing headers

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Look at the first buffer byte to see if a buffer is a header instead of counting
packets.
This commit is contained in:
Wim Taymans 2009-03-13 15:29:29 +01:00
parent 9def0d8c61
commit e863e4ed1b
1 changed files with 22 additions and 8 deletions
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30
ext/vorbis/vorbisparse.c
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@ -247,8 +247,6 @@ vorbis_parse_push_headers (GstVorbisParse * parse)
g_list_free (parse->streamheader);
parse->streamheader = NULL;
parse->streamheader_sent = TRUE;
}
static void
@ -393,18 +391,34 @@ static GstFlowReturn
vorbis_parse_parse_packet (GstVorbisParse * parse, GstBuffer * buf)
{
GstFlowReturn ret;
guint8 *data;
guint size;
gboolean have_header;
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
parse->packetno++;
if (parse->packetno <= 3) {
/* if 1 <= packetno <= 3, it's streamheader,
* so put it on the streamheader list and return */
parse->streamheader = g_list_append (parse->streamheader, buf);
have_header = FALSE;
if (size >= 1) {
if (data[0] >= 0x01 && data[0] <= 0x05)
have_header = TRUE;
}
if (have_header) {
if (!parse->streamheader_sent) {
/* we need to collect the headers still */
/* so put it on the streamheader list and return */
parse->streamheader = g_list_append (parse->streamheader, buf);
}
ret = GST_FLOW_OK;
} else {
if (!parse->streamheader_sent)
/* data packet, push the headers we collected before */
if (!parse->streamheader_sent) {
vorbis_parse_push_headers (parse);
parse->streamheader_sent = TRUE;
}
ret = vorbis_parse_queue_buffer (parse, buf);
}