avcodec/v4l2_buffers: split out V4L2Buffer generation into helper method

Signed-off-by: Aman Gupta <aman@tmm1.net>

libavcodec/v4l2_buffers.c

@@ -322,13 +322,7 @@ static int v4l2_buffer_buf_to_swframe(AVFrame *frame, V4L2Buffer *avbuf)
     return 0;
 }
 
-/******************************************************************************
- *
- *              V4L2Buffer interface
- *
- ******************************************************************************/
-
-int ff_v4l2_buffer_avframe_to_buf(const AVFrame *frame, V4L2Buffer *out)
+static int v4l2_buffer_swframe_to_buf(const AVFrame *frame, V4L2Buffer *out)
 {
     int i, ret;
     struct v4l2_format fmt = out->context->format;
@@ -354,8 +348,6 @@ int ff_v4l2_buffer_avframe_to_buf(const AVFrame *frame, V4L2Buffer *out)
         is_planar_format = 1;
     }
 
-    v4l2_set_pts(out, frame->pts);
-
     if (!is_planar_format) {
         const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
         int planes_nb = 0;
@@ -387,6 +379,19 @@ int ff_v4l2_buffer_avframe_to_buf(const AVFrame *frame, V4L2Buffer *out)
     return 0;
 }
 
+/******************************************************************************
+ *
+ *              V4L2Buffer interface
+ *
+ ******************************************************************************/
+
+int ff_v4l2_buffer_avframe_to_buf(const AVFrame *frame, V4L2Buffer *out)
+{
+    v4l2_set_pts(out, frame->pts);
+
+    return v4l2_buffer_swframe_to_buf(frame, out);
+}
+
 int ff_v4l2_buffer_buf_to_avframe(AVFrame *frame, V4L2Buffer *avbuf)
 {
     V4L2m2mContext *s = buf_to_m2mctx(avbuf);