Changeset 5862

Timestamp:

Aug 20, 2018 5:30:01 AM (6 years ago)

Author:

nanang

Message:

Close #2103: Initiate video port frame buffer with black for I420 & YV12 formats.

File:

• pjproject/trunk/pjmedia/src/pjmedia/vid_port.c (modified) (1 diff)

pjproject/trunk/pjmedia/src/pjmedia/vid_port.c

@@ -664 +664 @@
         vp->frm_buf = PJ_POOL_ZALLOC_T(pool, pjmedia_frame);
         vp->frm_buf_size = vafp.framebytes;
-        vp->frm_buf->buf = pj_pool_alloc(pool, vafp.framebytes);
+        vp->frm_buf->buf = pj_pool_zalloc(pool, vafp.framebytes);
         vp->frm_buf->size = vp->frm_buf_size;
         vp->frm_buf->type = PJMEDIA_FRAME_TYPE_NONE;
+
+        /* Black initial render screen for I420/YV12 format */
+        if ((vp->dir & PJMEDIA_DIR_RENDER) &&
+            (prm->vidparam.fmt.id == PJMEDIA_FORMAT_I420 ||
+             prm->vidparam.fmt.id == PJMEDIA_FORMAT_YV12))
+        {
+            pj_memset(vp->frm_buf->buf, 16, vafp.plane_bytes[0]);
+            pj_memset((pj_uint8_t*)vp->frm_buf->buf + vafp.plane_bytes[0],
+                      0x80, vafp.plane_bytes[1] * 2);
+        }
 
         status = pj_mutex_create_simple(pool, vp->dev_name.ptr,