From 8db85cf19897085e82dbfb9a3e36e7122a695cc7 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 8 Dec 2022 13:38:59 +0100
Subject: [PATCH] examples: handle 0 stride better

Assume the stride is size/height in case someone doesn't set the stride
correctly.
---
 src/examples/video-dsp-play.c    | 2 ++
 src/examples/video-play-fixate.c | 2 ++
 src/examples/video-play-pull.c   | 2 ++
 src/examples/video-play-reneg.c  | 2 ++
 src/examples/video-play.c        | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/src/examples/video-dsp-play.c b/src/examples/video-dsp-play.c
index 71f9b0199..6068e2a0f 100644
--- a/src/examples/video-dsp-play.c
+++ b/src/examples/video-dsp-play.c
@@ -139,6 +139,8 @@ on_process(void *_data, struct spa_io_position *position)
 
 	/* copy video image in texture */
 	sstride = buf->datas[0].chunk->stride;
+	if (sstride == 0)
+		sstride = buf->datas[0].chunk->size / data->position->video.size.height;
 
 	src = sdata;
 	dst = ddata;
diff --git a/src/examples/video-play-fixate.c b/src/examples/video-play-fixate.c
index 021eb0df5..7477c5a06 100644
--- a/src/examples/video-play-fixate.c
+++ b/src/examples/video-play-fixate.c
@@ -257,6 +257,8 @@ on_process(void *_data)
 
 	/* copy video image in texture */
 	sstride = buf->datas[0].chunk->stride;
+	if (sstride == 0)
+		sstride = buf->datas[0].chunk->size / data->size.height;
 	ostride = SPA_MIN(sstride, dstride);
 
 	src = sdata;
diff --git a/src/examples/video-play-pull.c b/src/examples/video-play-pull.c
index 807677962..fd0e30589 100644
--- a/src/examples/video-play-pull.c
+++ b/src/examples/video-play-pull.c
@@ -206,6 +206,8 @@ on_process(void *_data)
 		}
 
 		sstride = buf->datas[0].chunk->stride;
+		if (sstride == 0)
+			sstride = buf->datas[0].chunk->size / data->size.height;
 		ostride = SPA_MIN(sstride, dstride);
 
 		src = sdata;
diff --git a/src/examples/video-play-reneg.c b/src/examples/video-play-reneg.c
index f37b66285..26b19cb59 100644
--- a/src/examples/video-play-reneg.c
+++ b/src/examples/video-play-reneg.c
@@ -136,6 +136,8 @@ on_process(void *_data)
 
 	/* copy video image in texture */
 	sstride = buf->datas[0].chunk->stride;
+	if (sstride == 0)
+		sstride = buf->datas[0].chunk->size / data->size.height;
 	ostride = SPA_MIN(sstride, dstride);
 
 	src = sdata;
diff --git a/src/examples/video-play.c b/src/examples/video-play.c
index 61c3114f7..9cbbab698 100644
--- a/src/examples/video-play.c
+++ b/src/examples/video-play.c
@@ -204,6 +204,8 @@ on_process(void *_data)
 		}
 
 		sstride = buf->datas[0].chunk->stride;
+		if (sstride == 0)
+			sstride = buf->datas[0].chunk->size / data->size.height;
 		ostride = SPA_MIN(sstride, dstride);
 
 		src = sdata;