1*4882a593SmuzhiyunFrom 6863269a4386d0428e7655945116d1ea72deb3c2 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Jeffy Chen <jeffy.chen@rock-chips.com> 3*4882a593SmuzhiyunDate: Fri, 17 Sep 2021 13:20:24 +0800 4*4882a593SmuzhiyunSubject: [PATCH 11/14] videoconvert: Support preferred formats 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunSet env "GST_VIDEO_CONVERT_PREFERRED_FORMAT" to specify preferred 7*4882a593Smuzhiyunformats, for example: 8*4882a593Smuzhiyunexport GST_VIDEO_CONVERT_PREFERRED_FORMAT=NV12:NV16 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunSigned-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> 11*4882a593Smuzhiyun--- 12*4882a593Smuzhiyun gst/videoconvertscale/gstvideoconvertscale.c | 22 ++++++++++++++++++++ 13*4882a593Smuzhiyun 1 file changed, 22 insertions(+) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyundiff --git a/gst/videoconvertscale/gstvideoconvertscale.c b/gst/videoconvertscale/gstvideoconvertscale.c 16*4882a593Smuzhiyunindex d921b7f..ba905c5 100644 17*4882a593Smuzhiyun--- a/gst/videoconvertscale/gstvideoconvertscale.c 18*4882a593Smuzhiyun+++ b/gst/videoconvertscale/gstvideoconvertscale.c 19*4882a593Smuzhiyun@@ -1044,6 +1044,28 @@ score_value (GstBaseTransform * base, const GstVideoFormatInfo * in_info, 20*4882a593Smuzhiyun loss += SCORE_DEPTH_LOSS; 21*4882a593Smuzhiyun } 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun+ { 24*4882a593Smuzhiyun+ const char *buf = g_getenv ("GST_VIDEO_CONVERT_PREFERRED_FORMAT"); 25*4882a593Smuzhiyun+ if (buf) { 26*4882a593Smuzhiyun+ const char *name = GST_VIDEO_FORMAT_INFO_NAME (t_info); 27*4882a593Smuzhiyun+ int preferred_loss = 1; 28*4882a593Smuzhiyun+ 29*4882a593Smuzhiyun+ /* lower other formats */ 30*4882a593Smuzhiyun+ loss += 1024; 31*4882a593Smuzhiyun+ 32*4882a593Smuzhiyun+ while (buf) { 33*4882a593Smuzhiyun+ if (buf[0] == ':') 34*4882a593Smuzhiyun+ buf++; 35*4882a593Smuzhiyun+ 36*4882a593Smuzhiyun+ if (!strncmp (buf, name, strlen (name))) 37*4882a593Smuzhiyun+ loss = preferred_loss; 38*4882a593Smuzhiyun+ 39*4882a593Smuzhiyun+ buf = strchr (buf, ':'); 40*4882a593Smuzhiyun+ preferred_loss++; 41*4882a593Smuzhiyun+ } 42*4882a593Smuzhiyun+ } 43*4882a593Smuzhiyun+ } 44*4882a593Smuzhiyun+ 45*4882a593Smuzhiyun GST_DEBUG_OBJECT (base, "score %s -> %s = %d", 46*4882a593Smuzhiyun GST_VIDEO_FORMAT_INFO_NAME (in_info), 47*4882a593Smuzhiyun GST_VIDEO_FORMAT_INFO_NAME (t_info), loss); 48*4882a593Smuzhiyun-- 49*4882a593Smuzhiyun2.20.1 50*4882a593Smuzhiyun 51