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rtpdvdepay: Map the output buffer once instead of once every 80 bytes
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parent
4f4605f481
commit
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1 changed files with 6 additions and 2 deletions
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@ -295,6 +295,7 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
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GstRTPDVDepay *dvdepay = GST_RTP_DV_DEPAY (base);
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gboolean marker;
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GstRTPBuffer rtp = { NULL, };
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GstMapInfo map;
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gst_rtp_buffer_map (in, GST_MAP_READ, &rtp);
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@ -320,6 +321,7 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
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payload = gst_rtp_buffer_get_payload (&rtp);
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/* copy all DIF chunks in their place. */
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gst_buffer_map (dvdepay->acc, &map, GST_MAP_READWRITE);
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while (payload_len >= 80) {
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guint offset;
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@ -340,14 +342,16 @@ gst_rtp_dv_depay_process (GstRTPBaseDepayload * base, GstBuffer * in)
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offset = location * 80;
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/* And copy it in, provided the location is sane. */
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if (offset <= dvdepay->frame_size - 80)
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gst_buffer_fill (dvdepay->acc, offset, payload, 80);
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if (offset <= dvdepay->frame_size - 80) {
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memcpy (map.data + offset, payload, 80);
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}
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}
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payload += 80;
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payload_len -= 80;
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}
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gst_rtp_buffer_unmap (&rtp);
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gst_buffer_unmap (dvdepay->acc, &map);
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if (marker) {
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GST_DEBUG_OBJECT (dvdepay, "marker bit complete frame %u", rtp_ts);
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