mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-24 02:31:03 +00:00
Code Issues 1 Projects Releases Wiki Activity

mpeg2dec: Copy planes in one go when possible

Browse source
This commit is contained in:
Edward Hervey 2011-01-14 18:50:41 +01:00
parent 425e6e395f
commit 4a4d652dd4
1 changed files with 14 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
ext/mpeg2dec/gstmpeg2dec.c
View file

@ -357,10 +357,20 @@ gst_mpeg2dec_crop_buffer (GstMpeg2dec * dec, GstBuffer ** buf)
gst_video_format_get_component_height (dec->format, c, dec->height);
c_width = gst_video_format_get_component_width (dec->format, c, dec->width);
for (line = 0; line < c_height; line++) {
memcpy (dest, src, c_width);
dest += stride_out;
src += stride_in;
GST_DEBUG ("stride_in:%d _out:%d c_width:%d c_height:%d",
stride_in, stride_out, c_width, c_height);
if (stride_in == stride_out && stride_in == c_width) {
/* FAST PATH */
memcpy (dest, src, c_height * stride_out);
dest += stride_out * c_height;
src += stride_out * c_height;
} else {
for (line = 0; line < c_height; line++) {
memcpy (dest, src, c_width);
dest += stride_out;
src += stride_in;
}
}
}