51 lines
1.5 KiB
Diff
51 lines
1.5 KiB
Diff
From 6863269a4386d0428e7655945116d1ea72deb3c2 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Fri, 17 Sep 2021 13:20:24 +0800
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Subject: [PATCH 11/14] videoconvert: Support preferred formats
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Set env "GST_VIDEO_CONVERT_PREFERRED_FORMAT" to specify preferred
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formats, for example:
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export GST_VIDEO_CONVERT_PREFERRED_FORMAT=NV12:NV16
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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gst/videoconvertscale/gstvideoconvertscale.c | 22 ++++++++++++++++++++
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1 file changed, 22 insertions(+)
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diff --git a/gst/videoconvertscale/gstvideoconvertscale.c b/gst/videoconvertscale/gstvideoconvertscale.c
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index d921b7f..ba905c5 100644
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--- a/gst/videoconvertscale/gstvideoconvertscale.c
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+++ b/gst/videoconvertscale/gstvideoconvertscale.c
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@@ -1044,6 +1044,28 @@ score_value (GstBaseTransform * base, const GstVideoFormatInfo * in_info,
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loss += SCORE_DEPTH_LOSS;
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}
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+ {
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+ const char *buf = g_getenv ("GST_VIDEO_CONVERT_PREFERRED_FORMAT");
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+ if (buf) {
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+ const char *name = GST_VIDEO_FORMAT_INFO_NAME (t_info);
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+ int preferred_loss = 1;
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+
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+ /* lower other formats */
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+ loss += 1024;
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+
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+ while (buf) {
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+ if (buf[0] == ':')
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+ buf++;
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+
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+ if (!strncmp (buf, name, strlen (name)))
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+ loss = preferred_loss;
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+
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+ buf = strchr (buf, ':');
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+ preferred_loss++;
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+ }
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+ }
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+ }
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+
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GST_DEBUG_OBJECT (base, "score %s -> %s = %d",
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GST_VIDEO_FORMAT_INFO_NAME (in_info),
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GST_VIDEO_FORMAT_INFO_NAME (t_info), loss);
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--
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2.20.1
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