[FFmpeg-devel] [PATCH v3 12/22] lavfi/scale_qsv: add new options for scale_qsv filter

[Haihao Xiang]

Allow user to set crop area and async depth
---
 libavfilter/vf_vpp_qsv.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index 03785e9398..bceee8c4df 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -675,6 +675,10 @@ static int qsvscale_query_formats(AVFilterContext *ctx)
 static const AVOption qsvscale_options[] = {
     { "w",      "Output video width(0=input video width, -1=keep input video aspect)",  OFFSET(ow), AV_OPT_TYPE_STRING, { .str = "iw"   }, .flags = FLAGS },
     { "h",      "Output video height(0=input video height, -1=keep input video aspect)", OFFSET(oh), AV_OPT_TYPE_STRING, { .str = "ih"   }, .flags = FLAGS },
+    { "cw",     "set the width crop area expression",   OFFSET(cw), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
+    { "ch",     "set the height crop area expression",  OFFSET(ch), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
+    { "cx",     "set the x crop area expression",       OFFSET(cx), AV_OPT_TYPE_STRING, { .str = "(iw-ow)/2" }, .flags = FLAGS },
+    { "cy",     "set the y crop area expression",       OFFSET(cy), AV_OPT_TYPE_STRING, { .str = "(ih-oh)/2" }, .flags = FLAGS },
     { "format", "Output pixel format", OFFSET(output_format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
 
 #if QSV_HAVE_SCALING
@@ -687,6 +691,8 @@ static const AVOption qsvscale_options[] = {
     { "hq",        "",                      0,             AV_OPT_TYPE_CONST,  { .i64 = 2}, 0,   0,     FLAGS, "mode"},
 #endif
 
+    { "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 },
+
     { NULL },
 };
 
-- 
2.25.1