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video-converter: avoid scaler when size is unchanged

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This commit is contained in:
Wim Taymans 2015-03-05 09:52:18 +01:00
parent 6602861d00
commit 31a3e6c9f1
1 changed files with 19 additions and 14 deletions
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33
gst-libs/gst/video/video-converter.c
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@ -3881,26 +3881,31 @@ setup_scale (GstVideoConverter * convert)
if (is_merge_yuv (in_info)) {
GstVideoScaler *y_scaler, *uv_scaler;
y_scaler = gst_video_scaler_new (method, GST_VIDEO_SCALER_FLAG_NONE, taps,
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (in_finfo, GST_VIDEO_COMP_Y,
in_width), GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (out_finfo,
GST_VIDEO_COMP_Y, out_width), convert->config);
uv_scaler =
gst_video_scaler_new (method, GST_VIDEO_SCALER_FLAG_NONE, taps,
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (in_finfo, GST_VIDEO_COMP_U,
in_width), GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (out_finfo,
GST_VIDEO_COMP_U, out_width), convert->config);
if (in_width != out_width) {
y_scaler =
gst_video_scaler_new (method, GST_VIDEO_SCALER_FLAG_NONE, taps,
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (in_finfo, GST_VIDEO_COMP_Y,
in_width), GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (out_finfo,
GST_VIDEO_COMP_Y, out_width), convert->config);
uv_scaler =
gst_video_scaler_new (method, GST_VIDEO_SCALER_FLAG_NONE, taps,
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (in_finfo, GST_VIDEO_COMP_U,
in_width), GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (out_finfo,
GST_VIDEO_COMP_U, out_width), convert->config);
convert->fh_scaler[0] =
gst_video_scaler_combine_packed_YUV (y_scaler, uv_scaler,
in_format, out_format);
convert->fh_scaler[0] =
gst_video_scaler_combine_packed_YUV (y_scaler, uv_scaler,
in_format, out_format);
gst_video_scaler_free (y_scaler);
gst_video_scaler_free (uv_scaler);
} else
convert->fh_scaler[0] = NULL;
pstride = GST_VIDEO_FORMAT_INFO_PSTRIDE (out_finfo, GST_VIDEO_COMP_Y);
convert->fin_x[0] = GST_ROUND_UP_2 (convert->in_x) * pstride;
convert->fout_x[0] = GST_ROUND_UP_2 (convert->out_x) * pstride;
gst_video_scaler_free (y_scaler);
gst_video_scaler_free (uv_scaler);
} else {
if (in_width != out_width && in_width != 0 && out_width != 0)
convert->fh_scaler[0] =