commit db26f7d24c90b874ae46752fd1a5df42c464553f
author sheng.liu <sheng.liu@amlogic.com> Mon Jan 22 11:24:23 2024 +0000
committer Sheng Liu <sheng.liu@amlogic.com> Mon Jan 22 19:49:23 2024 -0700
tree a285546d4168b5288bb58fee96f9b4ce914fcd8a
parent 641aa42530ad4f34698c18c5c10223b55204746c

v4l2dec: get framerate from sink caps and then set to src caps [1/2]

PD#SWPL-154612

Problem:
Need set sink caps framerate to videosink

Solution:
get framerate from sink caps and then set to src caps

Verify:
AH212

Change-Id: Ie7277e5ed0ed5dae8d899c7ff349504935f60b66
Signed-off-by: sheng.liu <sheng.liu@amlogic.com>

src/gstamlv4l2object.c

diff --git a/src/gstamlv4l2object.c b/src/gstamlv4l2object.c
index 3836a90..f9c3e52 100644
--- a/src/gstamlv4l2object.c
+++ b/src/gstamlv4l2object.c
@@ -880,6 +880,13 @@
         v4l2object->par = NULL;
     }
 
+    if (v4l2object->fps)
+    {
+        g_value_unset(v4l2object->fps);
+        g_free(v4l2object->fps);
+        v4l2object->fps = NULL;
+    }
+
     if (v4l2object->channel)
     {
         g_free(v4l2object->channel);
@@ -4768,6 +4775,12 @@
         GST_VIDEO_INFO_PAR_N(info) = width;
         GST_VIDEO_INFO_PAR_D(info) = height;
     }
+
+    if (v4l2object->fps)
+    {
+        GST_VIDEO_INFO_FPS_N(info) = gst_value_get_fraction_numerator(v4l2object->fps);
+        GST_VIDEO_INFO_FPS_D(info) = gst_value_get_fraction_denominator(v4l2object->fps);
+    }
     /* Shall we setup the pool ? */
 
     return TRUE;

src/gstamlv4l2object.h

diff --git a/src/gstamlv4l2object.h b/src/gstamlv4l2object.h
index 5daf7b6..8fe08d7 100644
--- a/src/gstamlv4l2object.h
+++ b/src/gstamlv4l2object.h
@@ -201,6 +201,7 @@
     gboolean stream_mode;
     GValue *par;
     gboolean have_set_par;
+    GValue *fps;
 
     /* funcs */
     GstAmlV4l2GetInOutFunction get_in_out_func;

src/gstamlv4l2videodec.c

diff --git a/src/gstamlv4l2videodec.c b/src/gstamlv4l2videodec.c
index 9598a0a..bd85206 100644
--- a/src/gstamlv4l2videodec.c
+++ b/src/gstamlv4l2videodec.c
@@ -1576,6 +1576,23 @@
             }
         }
 
+        if ( gst_structure_get_fraction( structure, "framerate", &num, &denom ) )
+        {
+            if ( denom == 0 ) denom= 1;
+
+            if (self->v4l2capture->fps)
+            {
+                g_value_unset(self->v4l2capture->fps);
+                g_free(self->v4l2capture->fps);
+            }
+
+            self->v4l2capture->fps = g_new0(GValue, 1);
+            g_value_init(self->v4l2capture->fps, GST_TYPE_FRACTION);
+            gst_value_set_fraction(self->v4l2capture->fps, num, denom);
+
+            GST_DEBUG_OBJECT(self, "get framerate ratio %d:%d",  num, denom);
+        }
+
         if (( gst_structure_get_fraction( structure, "pixel-aspect-ratio", &num, &denom ) ) &&
             ( !self->v4l2capture->have_set_par ) )
         {