Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/sdk/lib/multimedia/msi/utils.c
+++ b/sdk/lib/multimedia/msi/utils.c
@@ -0,0 +1,51 @@
+#include "basic_include.h"
+#include "lib/multimedia/msi.h"
+
+
+static int32 msi_rbuffer_fb_exist(struct rbuffer *rb, struct framebuff *fb, uint32 start, uint32 end)
+{
+    uint32 i = 0;
+    struct framebuff **q = (struct framebuff **)rb->rbq;
+
+    for (i = start; i < end; i++) {
+        if (q[i] == fb) {
+            return 1;
+        } else {
+            struct framebuff *next = q[i]->next;
+            while (next) {
+                if (next == fb) {
+                    return 1;
+                } else {
+                    next = next;
+                }
+            }
+        }
+    }
+    return 0;
+}
+
+int32 msi_rbuffer_trace_fb(struct msi *mif, struct rbuffer *rb, struct framebuff *fb)
+{
+    uint32 rpos = rb->rpos;
+    uint32 wpos = rb->wpos;
+
+    if (!RB_EMPTY(rb)) {
+        if (rpos < wpos) {
+            if (msi_rbuffer_fb_exist(rb, fb, rpos, wpos)) {
+                os_printf(KERN_NOTICE"MSI %s: FB %p is here!\r\n", mif->name, fb);
+                return 1;
+            }
+        } else {
+            if (msi_rbuffer_fb_exist(rb, fb, rpos, rb->qsize)) {
+                os_printf(KERN_NOTICE"MSI %s: FB %p is here!\r\n", mif->name, fb);
+                return 1;
+            }
+            if (msi_rbuffer_fb_exist(rb, fb, 0, wpos)) {
+                os_printf(KERN_NOTICE"MSI %s: FB %p is here!\r\n", mif->name, fb);
+                return 1;
+            }
+        }
+    }
+    return 0;
+}
+