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vp8dec: optimize vpx image to gstbuffer copy when strides match

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Solving this FIXME. Copy the full plane when strides are the same
This commit is contained in:
Thiago Santos 2015-04-17 13:08:02 -03:00
parent 3270137702
commit 5c7c90ff2c
1 changed files with 12 additions and 6 deletions
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18
ext/vpx/gstvp8dec.c
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@ -390,12 +390,18 @@ gst_vp8_dec_image_to_buffer (GstVP8Dec * dec, const vpx_image_t * img,
deststride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, comp);
srcstride = img->stride[comp];
/* FIXME (Edward) : Do a plane memcpy is srcstride == deststride instead
* of copying line by line */
for (line = 0; line < height; line++) {
memcpy (dest, src, width);
dest += deststride;
src += srcstride;
if (srcstride == deststride) {
GST_TRACE_OBJECT (dec, "Stride matches. Comp %d: %d, copying full plane",
comp, srcstride);
memcpy (dest, src, srcstride * height);
} else {
GST_TRACE_OBJECT (dec, "Stride mismatch. Comp %d: %d != %d, copying "
"line by line.", comp, srcstride, deststride);
for (line = 0; line < height; line++) {
memcpy (dest, src, width);
dest += deststride;
src += srcstride;
}
}
}