From 1f2d1d235e162b8913f381e426ce40540460485a Mon Sep 17 00:00:00 2001
From: Johns <johns98@gmx.net>
Date: Thu, 29 Dec 2011 17:47:21 +0100
Subject: [PATCH] Vpdau displays black, when no video available.

---
 ChangeLog        |  1 +
 softhddevice.cpp |  2 +-
 video.c          | 42 ++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 0677169..7927942 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 User johns
 Date:
 
+    Vdpau also displays a black surface, when no video is available.
     Fix bug: CodecVideoDecode destroys avpkt.
 
 Date: Thu Dec 29 00:55:57 CET 2011
diff --git a/softhddevice.cpp b/softhddevice.cpp
index e8b9679..1dbff5f 100644
--- a/softhddevice.cpp
+++ b/softhddevice.cpp
@@ -39,7 +39,7 @@ extern "C" {
 
 //////////////////////////////////////////////////////////////////////////////
 
-static const char *const VERSION = "0.1.3";
+static const char *const VERSION = "0.1.4";
 static const char *const DESCRIPTION =
 trNOOP("A software and GPU emulated HD device");
 
diff --git a/video.c b/video.c
index fad0f57..accab80 100644
--- a/video.c
+++ b/video.c
@@ -4660,6 +4660,44 @@ static void VdpauMixVideo(VdpauDecoder * decoder)
 	decoder->SurfaceRead);
 }
 
+///
+///	Create and display a black empty surface.
+///
+///	@param decoder	VDPAU hw decoder
+///
+static void VdpauBlackSurface(VdpauDecoder * decoder)
+{
+    VdpStatus status;
+    void *image;
+    void const *data[1];
+    uint32_t pitches[1];
+    VdpRect dst_rect;
+
+    Debug(3, "video/vdpau: black surface\n");
+
+    // FIXME: clear video window area
+    (void)decoder;
+
+    image = calloc(4, VideoWindowWidth * VideoWindowHeight);
+
+    dst_rect.x0 = 0;
+    dst_rect.y0 = 0;
+    dst_rect.x1 = dst_rect.x0 + VideoWindowWidth;
+    dst_rect.y1 = dst_rect.y0 + VideoWindowHeight;
+    data[0] = image;
+    pitches[0] = VideoWindowWidth * 4;
+
+    status =
+	VdpauOutputSurfacePutBitsNative(VdpauSurfacesRb[VdpauSurfaceIndex],
+	data, pitches, &dst_rect);
+    if (status != VDP_STATUS_OK) {
+	Error(_("video/vdpau: output surface put bits failed: %s\n"),
+	    VdpauGetErrorString(status));
+    }
+
+    free(image);
+}
+
 ///
 ///	Advance displayed frame.
 ///
@@ -4755,8 +4793,8 @@ static void VdpauDisplayFrame(void)
 	filled = atomic_read(&decoder->SurfacesFilled);
 	// need 1 frame for progressive, 3 frames for interlaced
 	if (filled < 1 + 2 * decoder->Interlaced) {
-	    // FIXME: render black surface
-	    // FIXME: or rewrite MixVideo to support less surfaces
+	    // FIXME: rewrite MixVideo to support less surfaces
+	    VdpauBlackSurface(decoder);
 	    continue;
 	}