From: Jonas Karlman <[email protected]> This allows the cli to create a dummy drm hwcontext that can be shared between the v4l2 decoder/scaler/encoder.
This is especially useful on older RPI3 where /dev/dri devices are not available in the default configuration. Signed-off-by: Jonas Karlman <[email protected]> Signed-off-by: Aman Gupta <[email protected]> --- libavutil/hwcontext_drm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavutil/hwcontext_drm.c b/libavutil/hwcontext_drm.c index 32cbde82eb..aa4794c5e6 100644 --- a/libavutil/hwcontext_drm.c +++ b/libavutil/hwcontext_drm.c @@ -43,6 +43,11 @@ static int drm_device_create(AVHWDeviceContext *hwdev, const char *device, AVDRMDeviceContext *hwctx = hwdev->hwctx; drmVersionPtr version; + if (device == NULL) { + hwctx->fd = -1; + return 0; + } + hwctx->fd = open(device, O_RDWR); if (hwctx->fd < 0) return AVERROR(errno); -- 2.20.1 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
