[FFmpeg-cvslog] lavfi/vf_vpp_qsv: set the default value of async_depth to 4

[Haihao Xiang]

ffmpeg | branch: master | Haihao Xiang <haihao.xiang at intel.com> | Fri Nov 24 15:00:55 2023 +0800| [35a555e2b98ecf79d217c421b912549b90d223b0] | committer: Haihao Xiang

lavfi/vf_vpp_qsv: set the default value of async_depth to 4

Both qsv encoders and decoders use 4 as the default value of
async_depth, let's use 4 as the default value for vpp_qsv filter too.

Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=35a555e2b98ecf79d217c421b912549b90d223b0
---

 libavfilter/vf_vpp_qsv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index c07b45fedb..5356103e00 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -879,7 +879,7 @@ static const AVOption vpp_options[] = {
     { "h",      "Output video height(0=input video height, -1=keep input video aspect)", OFFSET(oh), AV_OPT_TYPE_STRING, { .str="w*ch/cw" }, 0, 255, .flags = FLAGS },
     { "height", "Output video height(0=input video height, -1=keep input video aspect)", OFFSET(oh), AV_OPT_TYPE_STRING, { .str="w*ch/cw" }, 0, 255, .flags = FLAGS },
     { "format", "Output pixel format", OFFSET(output_format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
-    { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
+    { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, INT_MAX, .flags = FLAGS },
 #if QSV_ONEVPL
     { "scale_mode", "scaling & format conversion mode (mode compute(3), vd(4) and ve(5) are only available on some platforms)", OFFSET(scale_mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 5, .flags = FLAGS, "scale mode" },
 #else