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rtph264pay: Make sure the caps don't have duplicated sps/pps

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This commit is contained in:
Olivier Crête 2012-09-20 17:28:47 -04:00
parent 027cc0e463
commit bc252d29ee
1 changed files with 30 additions and 4 deletions
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34
gst/rtp/gstrtph264pay.c
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@ -398,6 +398,30 @@ gst_rtp_h264_pay_set_sps_pps (GstRTPBasePayload * basepayload)
return res;
}
static GList *
add_sps_pps_without_duplicates (GList * list, GstBuffer * buffer)
{
GList *walk;
GstMapInfo map;
gst_buffer_map (buffer, &map, GST_MAP_READ);
for (walk = list; walk; walk = walk->next) {
if (gst_buffer_get_size (walk->data) == map.size &&
!gst_buffer_memcmp (walk->data, 0, map.data, map.size)) {
/* Same data */
gst_buffer_unmap (buffer, &map);
gst_buffer_unref (buffer);
return list;
}
}
gst_buffer_unmap (buffer, &map);
list = g_list_append (list, buffer);
return list;
}
static gboolean
gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
{
@ -493,7 +517,8 @@ gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
/* make a buffer out of it and add to SPS list */
sps_buf = gst_buffer_new_and_alloc (nal_size);
gst_buffer_fill (sps_buf, 0, data, nal_size);
rtph264pay->sps = g_list_append (rtph264pay->sps, sps_buf);
rtph264pay->sps = add_sps_pps_without_duplicates (rtph264pay->sps,
sps_buf);
data += nal_size;
size -= nal_size;
@ -525,7 +550,8 @@ gst_rtp_h264_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
/* make a buffer out of it and add to PPS list */
pps_buf = gst_buffer_new_and_alloc (nal_size);
gst_buffer_fill (pps_buf, 0, data, nal_size);
rtph264pay->pps = g_list_append (rtph264pay->pps, pps_buf);
rtph264pay->pps = add_sps_pps_without_duplicates (rtph264pay->pps,
pps_buf);
data += nal_size;
size -= nal_size;
@ -615,11 +641,11 @@ gst_rtp_h264_pay_parse_sprop_parameter_sets (GstRtpH264Pay * rtph264pay)
/* append to the right list */
if ((nal_type & 0x1f) == 7) {
GST_DEBUG_OBJECT (rtph264pay, "adding param %d as SPS %d", i, num_sps);
rtph264pay->sps = g_list_append (rtph264pay->sps, buf);
rtph264pay->sps = add_sps_pps_without_duplicates (rtph264pay->sps, buf);
num_sps++;
} else {
GST_DEBUG_OBJECT (rtph264pay, "adding param %d as PPS %d", i, num_pps);
rtph264pay->pps = g_list_append (rtph264pay->pps, buf);
rtph264pay->pps = add_sps_pps_without_duplicates (rtph264pay->pps, buf);
num_pps++;
}
}