Som Qin
61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
From 23c80a346def541e7a750efa22be1da64777067e Mon Sep 17 00:00:00 2001
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From: Som Qin <som.qin@starfivetech.com>
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Date: Wed, 18 Oct 2023 09:55:16 +0800
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Subject: [PATCH] Support direct display using of wave511 omx decoder
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Gets environment variables "SF_OMX_SLICE" to support special cases
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Signed-off-by: Som Qin <som.qin@starfivetech.com>
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---
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sys/kms/gstkmsallocator.c | 27 ++++++++++++++++++++++++++-
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1 file changed, 26 insertions(+), 1 deletion(-)
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diff --git a/sys/kms/gstkmsallocator.c b/sys/kms/gstkmsallocator.c
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index cb2f6bd..493cd92 100644
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--- a/sys/kms/gstkmsallocator.c
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+++ b/sys/kms/gstkmsallocator.c
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@@ -189,7 +189,18 @@ gst_kms_allocator_memory_create (GstKMSAllocator * allocator,
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fmt = gst_drm_format_from_video (GST_VIDEO_INFO_FORMAT (vinfo));
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arg.bpp = gst_drm_bpp_from_drm (fmt);
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arg.width = GST_VIDEO_INFO_WIDTH (vinfo);
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- h = GST_VIDEO_INFO_HEIGHT (vinfo);
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+ char* env = NULL;
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+ env = getenv("SF_OMX_SLICE");
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+ if (env) {
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+ gint slice, i;
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+ slice = atoi(env);
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+ if (slice > 0 && slice > vinfo->height) {
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+ h = slice;
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+ } else {
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+ h = GST_VIDEO_INFO_HEIGHT (vinfo);
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+ }
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+ } else
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+ h = GST_VIDEO_INFO_HEIGHT (vinfo);
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arg.height = gst_drm_height_from_drm (fmt, h);
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ret = drmIoctl (allocator->priv->fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
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@@ -498,6 +509,20 @@ gst_kms_allocator_bo_alloc (GstAllocator * allocator, GstVideoInfo * vinfo)
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mem = GST_MEMORY_CAST (kmsmem);
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+ char* env = NULL;
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+ env = getenv("SF_OMX_SLICE");
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+ if (env) {
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+ gint slice, i;
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+ slice = atoi(env);
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+ if (slice > 0 && slice > vinfo->height) {
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+ GST_DEBUG_OBJECT (alloc, "slice %d is large than height %d, recalculate size/offset",
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+ slice, vinfo->height );
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+ vinfo->size = vinfo->size / vinfo->height * slice;
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+ for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
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+ vinfo->offset[i] = vinfo->offset[i] / vinfo->height * slice;
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+ }
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+ }
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+
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if (!gst_kms_allocator_memory_create (alloc, kmsmem, vinfo)) {
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g_slice_free (GstKMSMemory, kmsmem);
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return NULL;
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--
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2.25.1
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