Add workaround for Intel VA-API MPEG GPU hung.

ChangeLog

@@ -1,6 +1,11 @@
 User johns
 Date:
 
+    Add workaround for Intel VA-API MPEG GPU hung.
+
+User johns
+Date: Sat Jan 28 13:32:12 CET 2012
+
     Release Version 0.4.5
     Add configurable skip lines at video top and bottom.
     Add auto-crop tolerance configuration.

README.txt

@@ -146,6 +146,8 @@ Setup: /etc/vdr/setup.conf
 	if detected crop area is too small, cut max 'n' pixels at top and
 	bottom.
 
+	softhddevice.SkipLines = 0
+	skip 'n' lines at top and bottom of the video picture.
 
 	softhddevice.Suspend.Close = 0
 	1 suspend closes x11 window, connection and audio device.

Todo

@@ -38,7 +38,9 @@ video:
     suspendoutput didn't show logo or black pictures
 	(must detect video format to show image)
     hard channel switch
-    skip line not configurable from setup menu.
+    skip lines not configurable from setup menu.
+    software decoder path didn't support auto-crop
+    software decoder path didn't support correct 4:3 16:9
 
 vdpau:
 
@@ -46,7 +48,7 @@ libva:
     yaepghd (VaapiSetOutputPosition) support
     can associate only displayed part of osd
     grab image for va-api
-    still many:
+    still many: (workaround export NO_MPEG_HW=1)
     [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
     [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 ...
 
@@ -56,7 +58,8 @@ libva: branch vaapi-ext
 libva-intel-driver:
     1080i does no v-sync (sometimes correct working with vaapi-ext)
     OSD has sometimes wrong size (workaround written)
-    software decoder needs UV swab
+    sometimes software decoder deinterlace isn't working and 1080i channels
+    show artefacts
 
 libva-vdpau-driver:
     G210/GT520 OSD update too slow (needs hardware problem workaround)
@@ -85,6 +88,7 @@ audio/alsa:
 
 audio/oss:
     alsa oss emulation mixer "pcm" not working
+    oss4 mixer channel not working
     ring buffer overflow with alsa oss emulation
 
 HDMI/SPDIF Passthrough:

video.c

@@ -1561,6 +1561,7 @@ static void VaapiCleanup(VaapiDecoder * decoder)
 	VaapiDestroyDeinterlaceImages(decoder);
     }
 
+    decoder->FrameCounter = 0;
     decoder->PTS = AV_NOPTS_VALUE;
     VideoDeltaPTS = 0;
 }
@@ -1865,7 +1866,10 @@ static enum PixelFormat Vaapi_get_format(VaapiDecoder * decoder,
     // cleanup last context
     VaapiCleanup(decoder);
 
-    if (!VideoHardwareDecoder) {	// hardware disabled by config
+    if (!VideoHardwareDecoder
+	|| (video_ctx->codec_id == CODEC_ID_MPEG2VIDEO
+		&& VideoHardwareDecoder == 1)
+	) {	// hardware disabled by config
 	Debug(3, "codec: hardware acceleration disabled\n");
 	goto slow_path;
     }
@@ -2064,6 +2068,8 @@ static void VaapiPutSurfaceX11(VaapiDecoder * decoder, VASurfaceID surface,
 {
     unsigned type;
     VAStatus status;
+    uint32_t s;
+    uint32_t e;
 
     // deinterlace
     if (interlaced
@@ -2086,6 +2092,7 @@ static void VaapiPutSurfaceX11(VaapiDecoder * decoder, VASurfaceID surface,
 	type = VA_FRAME_PICTURE;
     }
 
+    s = GetMsTicks();
     xcb_flush(Connection);
     if ((status = vaPutSurface(decoder->VaDisplay, surface, decoder->Window,
 		// decoder src
@@ -2100,6 +2107,15 @@ static void VaapiPutSurfaceX11(VaapiDecoder * decoder, VASurfaceID surface,
 	Error(_("video/vaapi: vaPutSurface failed %d\n"), status);
     }
 
+    if (0 && vaSyncSurface(decoder->VaDisplay, surface) != VA_STATUS_SUCCESS) {
+	Error(_("video/vaapi: vaSyncSurface failed\n"));
+    }
+    e = GetMsTicks();
+    if (e - s > 2000) {
+	Error(_("video/vaapi: gpu hung %d ms %d\n"), e - s, decoder->FrameCounter);
+	fprintf(stderr, _("video/vaapi: gpu hung %d ms %d\n"), e - s, decoder->FrameCounter);
+    }
+
     if (0) {
 	// check if surface is really ready
 	// VDPAU backend, says always ready
@@ -2133,7 +2149,6 @@ static void VaapiPutSurfaceX11(VaapiDecoder * decoder, VASurfaceID surface,
 	    usleep(1 * 1000);
 	}
     }
-
 }
 
 #ifdef USE_GLX
@@ -2792,14 +2807,16 @@ static void VaapiBlackSurface(VaapiDecoder * decoder)
     clock_gettime(CLOCK_REALTIME, &decoder->FrameTime);
 
     put1 = GetMsTicks();
+    if (put1 - sync > 2000 ) {
+	Error(_("video/vaapi: gpu hung %d ms %d\n"), put1 - sync, decoder->FrameCounter);
+	fprintf(stderr, _("video/vaapi: gpu hung %d ms %d\n"), put1 - sync, decoder->FrameCounter);
+    }
     Debug(4, "video/vaapi: sync %2u put1 %2u\n", sync - start, put1 - sync);
 
     if (0 && vaSyncSurface(decoder->VaDisplay, decoder->BlackSurface)
 	!= VA_STATUS_SUCCESS) {
 	Error(_("video/vaapi: vaSyncSurface failed\n"));
     }
-
-    usleep(500);
 }
 
 ///
@@ -3385,20 +3402,40 @@ static void VaapiRenderFrame(VaapiDecoder * decoder,
 	    != VA_STATUS_SUCCESS) {
 	    Error(_("video/vaapi: can't map the image!\n"));
 	}
+	// crazy: intel mixes YV12 and NV12 with mpeg
 	if (decoder->Image->format.fourcc == VA_FOURCC_NV12) {
-	    static int warned;
+	    int x;
 
-	    // FIXME: intel NV12 convert YV12 to NV12
-	    if (!warned) {
-		warned = 1;
-		Error(_("video/vaapi: FIXME: yv12->nv12 not written\n"));
+	    // intel NV12 convert YV12 to NV12
+
+	    // copy Y
+	    for ( i=0; i<height; ++i ) {
+		memcpy(va_image_data + decoder->Image->offsets[0] +
+			decoder->Image->pitches[0] * i,
+		    frame->data[0] + frame->linesize[0] * i,
+			frame->linesize[0]);
+	    }
+	    // copy UV
+	    for ( i=0; i< height / 2; ++i ) {
+		for ( x=0; x < frame->linesize[1]; ++x ) {
+		    ((uint8_t*)va_image_data)[decoder->Image->offsets[1]
+			+ decoder->Image->pitches[1] * i + x * 2 + 0]
+			    = frame->data[1][i * frame->linesize[1] + x];
+		    ((uint8_t*)va_image_data)[decoder->Image->offsets[1]
+			+ decoder->Image->pitches[1] * i + x * 2 + 1]
+			    = frame->data[2][i * frame->linesize[2] + x];
+		}
 	    }
 	} else {
 
 	    // FIXME: I420 vs YV12
-	    for (i = 0; (unsigned)i < decoder->Image->num_planes; ++i) {
-		picture->data[i] = va_image_data + decoder->Image->offsets[i];
-		picture->linesize[i] = decoder->Image->pitches[i];
+	    if ( decoder->Image->num_planes == 3 ) {
+		picture->data[0] = va_image_data + decoder->Image->offsets[0];
+		picture->linesize[0] = decoder->Image->pitches[0];
+		picture->data[1] = va_image_data + decoder->Image->offsets[2];
+		picture->linesize[1] = decoder->Image->pitches[2];
+		picture->data[2] = va_image_data + decoder->Image->offsets[1];
+		picture->linesize[2] = decoder->Image->pitches[1];
 	    }
 
 	    av_picture_copy(picture, (AVPicture *) frame, video_ctx->pix_fmt,
@@ -3576,10 +3613,6 @@ static void VaapiDisplayFrame(void)
 #endif
 
 	decoder->FrameTime = nowtime;
-
-	// fixes: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck
-	//	  timer elapsed... GPU hung
-	usleep(1 * 1000);
     }
 }
 
@@ -5426,7 +5459,10 @@ static enum PixelFormat Vdpau_get_format(VdpauDecoder * decoder,
     Debug(3, "video: new stream format %d\n", GetMsTicks() - VideoSwitch);
     VdpauCleanup(decoder);
 
-    if (!VideoHardwareDecoder) {	// hardware disabled by config
+    if (!VideoHardwareDecoder
+	|| (video_ctx->codec_id == CODEC_ID_MPEG2VIDEO
+		&& VideoHardwareDecoder == 1)
+	) {	// hardware disabled by config
 	Debug(3, "codec: hardware acceleration disabled\n");
 	goto slow_path;
     }
@@ -8518,9 +8554,13 @@ void VideoInit(const char *display_name)
 #endif
 
     // FIXME: make it configurable from gui
-    if (!getenv("NO_HW")) {
+    VideoHardwareDecoder = -1;
+    if (getenv("NO_MPEG_HW")) {
 	VideoHardwareDecoder = 1;
     }
+    if (getenv("NO_HW")) {
+	VideoHardwareDecoder = 0;
+    }
     //xcb_prefetch_maximum_request_length(Connection);
     xcb_flush(Connection);
 }