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oggdemux: Store header/queued packets as ogg_packet and use normal peer chaining functions to pass them downstream

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This commit is contained in:
Sebastian Dröge 2010-01-23 14:46:19 +01:00
parent eef885cf86
commit 541da50c53
1 changed files with 29 additions and 35 deletions
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64
ext/ogg/gstoggdemux.c
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@ -63,6 +63,25 @@ GST_DEBUG_CATEGORY (gst_ogg_demux_debug);
GST_DEBUG_CATEGORY (gst_ogg_demux_setup_debug);
#define GST_CAT_DEFAULT gst_ogg_demux_debug
static ogg_packet *
_ogg_packet_copy (const ogg_packet * packet)
{
ogg_packet *ret = g_new0 (ogg_packet, 1);
*ret = *packet;
ret->packet = g_memdup (packet->packet, packet->bytes);
return ret;
}
static void
_ogg_packet_free (ogg_packet * packet)
{
g_free (packet->packet);
g_free (packet);
}
static ogg_page *
gst_ogg_page_copy (ogg_page * page)
{
@ -160,10 +179,10 @@ gst_ogg_pad_dispose (GObject * object)
pad->chain = NULL;
pad->ogg = NULL;
g_list_foreach (pad->map.headers, (GFunc) gst_mini_object_unref, NULL);
g_list_foreach (pad->map.headers, (GFunc) _ogg_packet_free, NULL);
g_list_free (pad->map.headers);
pad->map.headers = NULL;
g_list_foreach (pad->map.queued, (GFunc) gst_mini_object_unref, NULL);
g_list_foreach (pad->map.queued, (GFunc) _ogg_packet_free, NULL);
g_list_free (pad->map.queued);
pad->map.queued = NULL;
@ -433,26 +452,11 @@ gst_ogg_pad_parse_skeleton_fisbone (GstOggPad * pad, ogg_packet * packet)
}
}
static GstBuffer *
gst_ogg_demux_buffer_from_packet (ogg_packet * packet)
{
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (packet->bytes);
memcpy (buf->data, packet->packet, packet->bytes);
GST_BUFFER_OFFSET (buf) = -1;
GST_BUFFER_OFFSET_END (buf) = packet->granulepos;
return buf;
}
/* queue data, basically takes the packet, puts it in a buffer and store the
* buffer in the queued list. */
static GstFlowReturn
gst_ogg_demux_queue_data (GstOggPad * pad, ogg_packet * packet)
{
GstBuffer *buf;
#ifndef GST_DISABLE_GST_DEBUG
GstOggDemux *ogg = pad->ogg;
#endif
@ -460,9 +464,7 @@ gst_ogg_demux_queue_data (GstOggPad * pad, ogg_packet * packet)
GST_DEBUG_OBJECT (ogg, "%p queueing data serial %08x", pad,
pad->map.serialno);
buf = gst_ogg_demux_buffer_from_packet (packet);
gst_buffer_set_caps (buf, pad->map.caps);
pad->map.queued = g_list_append (pad->map.queued, buf);
pad->map.queued = g_list_append (pad->map.queued, _ogg_packet_copy (packet));
/* we are ok now */
return GST_FLOW_OK;
@ -755,13 +757,10 @@ gst_ogg_pad_submit_packet (GstOggPad * pad, ogg_packet * packet)
}
}
} else {
GstBuffer *buf;
pad->map.n_header_packets_seen++;
if (!pad->map.have_headers) {
buf = gst_ogg_demux_buffer_from_packet (packet);
gst_buffer_set_caps (buf, pad->map.caps);
pad->map.headers = g_list_append (pad->map.headers, buf);
pad->map.headers =
g_list_append (pad->map.headers, _ogg_packet_copy (packet));
GST_DEBUG ("keeping header packet %d", pad->map.n_header_packets_seen);
}
}
@ -1631,23 +1630,18 @@ gst_ogg_demux_activate_chain (GstOggDemux * ogg, GstOggChain * chain,
GST_DEBUG_OBJECT (ogg, "pushing headers");
/* ref and push headers */
for (walk = pad->map.headers; walk; walk = g_list_next (walk)) {
GstBuffer *buffer = GST_BUFFER (walk->data);
ogg_packet *p = walk->data;
if (pad->discont) {
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
pad->discont = FALSE;
}
/* we don't care about the return value here */
gst_pad_push (GST_PAD_CAST (pad), gst_buffer_ref (buffer));
gst_ogg_demux_chain_peer (pad, p);
}
GST_DEBUG_OBJECT (ogg, "pushing queued buffers");
/* push queued buffers */
for (walk = pad->map.queued; walk; walk = g_list_next (walk)) {
GstBuffer *buffer = GST_BUFFER (walk->data);
ogg_packet *p = walk->data;
/* we don't care about the return value here */
gst_pad_push (GST_PAD_CAST (pad), buffer);
gst_ogg_demux_chain_peer (pad, p);
_ogg_packet_free (p);
}
/* and free the queued buffers */
g_list_free (pad->map.queued);