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rtpdvdepay: Map the output buffer once instead of once every 80 bytes

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This commit is contained in:
Sebastian Dröge 2015-07-01 17:30:39 +02:00
parent 4f4605f481
commit 8aca30799a
1 changed files with 6 additions and 2 deletions
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8
gst/rtp/gstrtpdvdepay.c
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@ -295,6 +295,7 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
GstRTPDVDepay *dvdepay = GST_RTP_DV_DEPAY (base); GstRTPDVDepay *dvdepay = GST_RTP_DV_DEPAY (base);
gboolean marker; gboolean marker;
GstRTPBuffer rtp = { NULL, }; GstRTPBuffer rtp = { NULL, };
GstMapInfo map;
gst_rtp_buffer_map (in, GST_MAP_READ, &rtp); gst_rtp_buffer_map (in, GST_MAP_READ, &rtp);
@ -320,6 +321,7 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
payload = gst_rtp_buffer_get_payload (&rtp); payload = gst_rtp_buffer_get_payload (&rtp);
/* copy all DIF chunks in their place. */ /* copy all DIF chunks in their place. */
gst_buffer_map (dvdepay->acc, &map, GST_MAP_READWRITE);
while (payload_len >= 80) { while (payload_len >= 80) {
guint offset; guint offset;
@ -340,14 +342,16 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
offset = location * 80; offset = location * 80;
/* And copy it in, provided the location is sane. */ /* And copy it in, provided the location is sane. */
if (offset <= dvdepay->frame_size - 80) if (offset <= dvdepay->frame_size - 80) {
gst_buffer_fill (dvdepay->acc, offset, payload, 80); memcpy (map.data + offset, payload, 80);
}
} }
payload += 80; payload += 80;
payload_len -= 80; payload_len -= 80;
} }
gst_rtp_buffer_unmap (&rtp); gst_rtp_buffer_unmap (&rtp);
gst_buffer_unmap (dvdepay->acc, &map);
if (marker) { if (marker) {
GST_DEBUG_OBJECT (dvdepay, "marker bit complete frame %u", rtp_ts); GST_DEBUG_OBJECT (dvdepay, "marker bit complete frame %u", rtp_ts);