option 'scaling' accepts one of low_power and hq
$ ffmpeg -init_hw_device qsv -hwaccel qsv -c:v h264_qsv -i input.h264
-vf "vpp_qsv=scaling=hq" -f null -
---
libavfilter/vf_vpp_qsv.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index 4607ece1c5..b994f1e408 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -637,6 +637,16 @@ static const AVOption vpp_options[] = {
{ "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 },
+#if QSV_HAVE_SCALING
+ { "scaling", "set scaling mode", OFFSET(scaling_mode),
AV_OPT_TYPE_INT, { .i64 = MFX_SCALING_MODE_DEFAULT},
MFX_SCALING_MODE_DEFAULT, MFX_SCALING_MODE_QUALITY, FLAGS, "mode"},
+ { "low_power", "low power mode", 0, AV_OPT_TYPE_CONST,
{ .i64 = MFX_SCALING_MODE_LOWPOWER}, INT_MIN, INT_MAX, FLAGS, "mode"},
+ { "hq", "high quality mode", 0, AV_OPT_TYPE_CONST,
{ .i64 = MFX_SCALING_MODE_QUALITY}, INT_MIN, INT_MAX, FLAGS, "mode"},
+#else
+ { "scaling", "(not supported)", OFFSET(scaling_mode),
AV_OPT_TYPE_INT, { .i64 = 0}, 0, INT_MAX, FLAGS, "mode"},
+ { "low_power", "", 0, AV_OPT_TYPE_CONST,
{ .i64 = 1}, 0, 0, FLAGS, "mode"},
+ { "hq", "", 0, AV_OPT_TYPE_CONST,
{ .i64 = 2}, 0, 0, FLAGS, "mode"},
+#endif
+
{ NULL }
};
--
2.25.1
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