The following command is on how to apply clock_flip option:
ffmpeg -init_hw_device vulkan -i input.264 -vf \
hwupload=extra_hw_frames=16,transpose_vulkan=dir=clock_flip,hwdownload,format=yuv420p
\
output.264
Signed-off-by: Wu Jianhua <jianhua...@intel.com>
---
libavfilter/vf_transpose_vulkan.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/vf_transpose_vulkan.c
b/libavfilter/vf_transpose_vulkan.c
index 59a548a12f..4c20becb5c 100644
--- a/libavfilter/vf_transpose_vulkan.c
+++ b/libavfilter/vf_transpose_vulkan.c
@@ -95,6 +95,8 @@ static av_cold int init_filter(AVFilterContext *ctx, AVFrame
*in)
GLSLC(1, if (IS_WITHIN(pos, size)) { );
if (s->dir == TRANSPOSE_CCLOCK)
GLSLF(2, vec4 res = texture(input_images[%i], ivec2(size.y -
pos.y, pos.x)); ,i);
+ else if (s->dir == TRANSPOSE_CLOCK_FLIP)
+ GLSLF(2, vec4 res = texture(input_images[%i], ivec2(size.yx -
pos.yx)); ,i);
else
GLSLF(2, vec4 res = texture(input_images[%i], pos.yx); ,i);
GLSLF(2, imageStore(output_images[%i], pos, res); ,i);
@@ -291,6 +293,7 @@ static const AVOption transpose_vulkan_options[] = {
{ "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 =
TRANSPOSE_CCLOCK_FLIP }, 0, 7, FLAGS, "dir" },
{ "cclock_flip", "rotate counter-clockwise with vertical flip", 0,
AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .flags=FLAGS, .unit =
"dir" },
{ "cclock", "rotate counter-clockwise", 0,
AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .flags=FLAGS, .unit =
"dir" },
+ { "clock_flip", "rotate clockwise with vertical flip", 0,
AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .flags=FLAGS, .unit =
"dir" },
{ NULL }
};
--
2.25.1
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