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vp8depay: Don't lock/map every non-keyframe buffer twice

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Just copy the complete header instead of first looking at the first byte
and then at the remaining 10 bytes.
This commit is contained in:
Sebastian Dröge 2015-06-30 14:06:20 +02:00
parent 600942788d
commit ceaf90f027
1 changed files with 23 additions and 28 deletions
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19
gst/rtp/gstrtpvp8depay.c
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@ -173,9 +173,9 @@ gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstBuffer * buf)
/* Marker indicates that it was the last rtp packet for this frame */
if (gst_rtp_buffer_get_marker (&rtpbuffer)) {
GstBuffer *out;
guint8 flag0;
guint8 header[10];
gst_adapter_copy (self->adapter, &flag0, 0, 1);
gst_adapter_copy (self->adapter, &header, 0, 10);
out = gst_adapter_take_buffer (self->adapter,
gst_adapter_available (self->adapter));
@ -185,7 +185,7 @@ gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstBuffer * buf)
/* mark keyframes */
out = gst_buffer_make_writable (out);
if ((flag0 & 0x01)) {
if ((header[0] & 0x01)) {
GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DELTA_UNIT);
if (!self->caps_sent) {
@ -197,17 +197,13 @@ gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstBuffer * buf)
TRUE, 0));
}
} else {
GstMapInfo info;
guint profile, width, height;
GST_BUFFER_FLAG_UNSET (out, GST_BUFFER_FLAG_DELTA_UNIT);
if (gst_buffer_map (out, &info, GST_MAP_READ)) {
guint profile, width, height;
profile = (flag0 & 0x0e) >> 1;
width = GST_READ_UINT16_LE (info.data + 6) & 0x3fff;
height = GST_READ_UINT16_LE (info.data + 8) & 0x3fff;
gst_buffer_unmap (out, &info);
profile = (header[0] & 0x0e) >> 1;
width = GST_READ_UINT16_LE (header + 6) & 0x3fff;
height = GST_READ_UINT16_LE (header + 8) & 0x3fff;
if (G_UNLIKELY (self->last_width != width ||
self->last_height != height || self->last_profile != profile)) {
@ -230,7 +226,6 @@ gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstBuffer * buf)
self->last_profile = profile;
}
}
}
return out;
}