Signed-off-by: J. Dekker <j...@itanimul.li>
---
libavdevice/sdl2.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavdevice/sdl2.c b/libavdevice/sdl2.c
index 342a253dc0..6a6751e40f 100644
--- a/libavdevice/sdl2.c
+++ b/libavdevice/sdl2.c
@@ -51,6 +51,7 @@ typedef struct {
SDL_Rect texture_rect;
int inited;
+ int warned;
} SDLContext;
static const struct sdl_texture_format_entry {
@@ -165,6 +166,14 @@ static int sdl2_write_header(AVFormatContext *s)
int i, ret = 0;
int flags = 0;
+ if (!sdl->warned) {
+ av_log(sdl, AV_LOG_WARNING,
+ "The sdl output device is deprecated. For monitoring purposes in
ffmpeg you can output to a file or use pipes and a video player.\n"
+ "Example: ffmpeg -i input.mkv -f nut - | ffplay \n"
+ );
+ sdl->warned = 1;
+ }
+
if (!sdl->window_title)
sdl->window_title = av_strdup(s->url);
--
2.43.0
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