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rtpvrawdepay: map/unmap output frame only once, not for every input packet

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Map output buffer after creating it and keep it mapped
until we're done with it instead of mapping/unmapping
it for every single input buffer.
This commit is contained in:
Tim-Philipp Müller 2015-05-23 13:23:22 +01:00
parent d03b9513f1
commit 2aafb3951d
2 changed files with 19 additions and 16 deletions
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33
gst/rtp/gstrtpvrawdepay.c
View file

@ -108,6 +108,7 @@ static void
gst_rtp_vraw_depay_reset (GstRtpVRawDepay * rtpvrawdepay)
{
if (rtpvrawdepay->outbuf) {
gst_video_frame_unmap (&rtpvrawdepay->frame);
gst_buffer_unref (rtpvrawdepay->outbuf);
rtpvrawdepay->outbuf = NULL;
}
@ -324,7 +325,7 @@ gst_rtp_vraw_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
guint cont, ystride, uvstride, pgroup, payload_len;
gint width, height, xinc, yinc;
GstRTPBuffer rtp = { NULL };
GstVideoFrame frame;
GstVideoFrame *frame;
gboolean marker;
GstBuffer *outbuf = NULL;
@ -341,6 +342,7 @@ gst_rtp_vraw_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
GST_LOG_OBJECT (depayload, "new frame with timestamp %u", timestamp);
/* new timestamp, flush old buffer and create new output buffer */
if (rtpvrawdepay->outbuf) {
gst_video_frame_unmap (&rtpvrawdepay->frame);
gst_rtp_base_depayload_push (depayload, rtpvrawdepay->outbuf);
rtpvrawdepay->outbuf = NULL;
}
@ -362,22 +364,26 @@ gst_rtp_vraw_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
/* clear timestamp from alloc... */
GST_BUFFER_TIMESTAMP (outbuf) = -1;
if (!gst_video_frame_map (&rtpvrawdepay->frame, &rtpvrawdepay->vinfo,
outbuf, GST_MAP_WRITE | GST_VIDEO_FRAME_MAP_FLAG_NO_REF))
goto invalid_frame;
rtpvrawdepay->outbuf = outbuf;
rtpvrawdepay->timestamp = timestamp;
}
if (!gst_video_frame_map (&frame, &rtpvrawdepay->vinfo, rtpvrawdepay->outbuf,
GST_MAP_WRITE))
goto invalid_frame;
frame = &rtpvrawdepay->frame;
g_assert (frame->buffer != NULL);
/* get pointer and strides of the planes */
p0 = GST_VIDEO_FRAME_PLANE_DATA (&frame, 0);
yp = GST_VIDEO_FRAME_COMP_DATA (&frame, 0);
up = GST_VIDEO_FRAME_COMP_DATA (&frame, 1);
vp = GST_VIDEO_FRAME_COMP_DATA (&frame, 2);
p0 = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
yp = GST_VIDEO_FRAME_COMP_DATA (frame, 0);
up = GST_VIDEO_FRAME_COMP_DATA (frame, 1);
vp = GST_VIDEO_FRAME_COMP_DATA (frame, 2);
ystride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0);
uvstride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 1);
ystride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
uvstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1);
pgroup = rtpvrawdepay->pgroup;
width = GST_VIDEO_INFO_WIDTH (&rtpvrawdepay->vinfo);
@ -550,12 +556,12 @@ gst_rtp_vraw_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
payload_len -= length;
}
gst_video_frame_unmap (&frame);
marker = gst_rtp_buffer_get_marker (&rtp);
gst_rtp_buffer_unmap (&rtp);
if (marker) {
GST_LOG_OBJECT (depayload, "marker, flushing frame");
gst_video_frame_unmap (&rtpvrawdepay->frame);
outbuf = rtpvrawdepay->outbuf;
rtpvrawdepay->outbuf = NULL;
rtpvrawdepay->timestamp = -1;
@ -567,7 +573,6 @@ unknown_sampling:
{
GST_ELEMENT_ERROR (depayload, STREAM, FORMAT,
(NULL), ("unimplemented sampling"));
gst_video_frame_unmap (&frame);
gst_rtp_buffer_unmap (&rtp);
return NULL;
}
@ -580,20 +585,18 @@ alloc_failed:
invalid_frame:
{
GST_ERROR_OBJECT (depayload, "could not map video frame");
gst_rtp_buffer_unmap (&rtp);
gst_buffer_unref (outbuf);
return NULL;
}
wrong_length:
{
GST_WARNING_OBJECT (depayload, "length not multiple of pgroup");
gst_video_frame_unmap (&frame);
gst_rtp_buffer_unmap (&rtp);
return NULL;
}
short_packet:
{
GST_WARNING_OBJECT (depayload, "short packet");
gst_video_frame_unmap (&frame);
gst_rtp_buffer_unmap (&rtp);
return NULL;
}

2
gst/rtp/gstrtpvrawdepay.h
View file

@ -49,9 +49,9 @@ struct _GstRtpVRawDepay
GstBufferPool *pool;
GstVideoInfo vinfo;
GstVideoFrame frame;
GstBuffer *outbuf;
guint32 timestamp;
guint outsize;
gint pgroup;
gint xinc, yinc;