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decklinkvideosink: Copy min(gstreamer_stride, decklink_stride) per line

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Instead of just bpp * width, which might be more than we can copy.
This commit is contained in:
Sebastian Dröge 2017-05-15 16:37:14 +03:00
parent 65545ecfa3
commit 7d64bb7513
1 changed files with 3 additions and 3 deletions
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6
sys/decklink/gstdecklinkvideosink.cpp
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@ -556,7 +556,7 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
gint i;
GstDecklinkVideoFormat caps_format;
BMDPixelFormat format;
gint bpp;
gint stride;
GstVideoTimeCodeMeta *tc_meta;
GST_DEBUG_OBJECT (self, "Preparing buffer %p", buffer);
@ -568,7 +568,6 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
caps_format = gst_decklink_type_from_video_format (self->info.finfo->format);
format = gst_decklink_pixel_format_from_type (caps_format);
bpp = gst_decklink_bpp_from_type (caps_format);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
duration = GST_BUFFER_DURATION (buffer);
@ -623,8 +622,9 @@ gst_decklink_video_sink_prepare (GstBaseSink * bsink, GstBuffer * buffer)
frame->GetBytes ((void **) &outdata);
indata = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
stride = MIN (GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, 0), frame->GetRowBytes());
for (i = 0; i < self->info.height; i++) {
memcpy (outdata, indata, GST_VIDEO_FRAME_WIDTH (&vframe) * bpp);
memcpy (outdata, indata, stride);
indata += GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, 0);
outdata += frame->GetRowBytes ();
}