---
libavfilter/vf_xfade_vulkan.c | 58 +++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/libavfilter/vf_xfade_vulkan.c b/libavfilter/vf_xfade_vulkan.c
index 58552ab734..f1f248c288 100644
--- a/libavfilter/vf_xfade_vulkan.c
+++ b/libavfilter/vf_xfade_vulkan.c
@@ -72,6 +72,10 @@ enum XFadeTransitions {
WIPERIGHT,
WIPEUP,
WIPEDOWN,
+ SLIDEDOWN,
+ SLIDEUP,
+ SLIDELEFT,
+ SLIDERIGHT,
NB_TRANSITIONS,
};
@@ -128,12 +132,62 @@ static const char transition_wipedown[] = {
C(0, }
)
};
+#define SHADER_SLIDE_COMMON
\
+ C(0, void slide(int idx, ivec2 pos, float progress, ivec2 direction)
) \
+ C(0, {
) \
+ C(1, ivec2 size = imageSize(output_images[idx]);
) \
+ C(1, ivec2 pi = ivec2(progress * size);
) \
+ C(1, ivec2 p = pos + pi * direction;
) \
+ C(1, ivec2 f = p % size;
) \
+ C(1, f = f + size * ivec2(f.x < 0, f.y < 0);
) \
+ C(1, vec4 a = texture(a_images[idx], f);
) \
+ C(1, vec4 b = texture(b_images[idx], f);
) \
+ C(1, vec4 r = (p.y >= 0 && p.x >= 0 && size.y > p.y && size.x > p.x)
? a : b; ) \
+ C(1, imageStore(output_images[idx], pos, r);
) \
+ C(0, }
)
+
+static const char transition_slidedown[] = {
+ SHADER_SLIDE_COMMON
+ C(0, void transition(int idx, ivec2 pos, float progress)
)
+ C(0, {
)
+ C(1, slide(idx, pos, progress, ivec2(0, -1));
)
+ C(0, }
)
+};
+
+static const char transition_slideup[] = {
+ SHADER_SLIDE_COMMON
+ C(0, void transition(int idx, ivec2 pos, float progress)
)
+ C(0, {
)
+ C(1, slide(idx, pos, progress, ivec2(0, +1));
)
+ C(0, }
)
+};
+
+static const char transition_slideleft[] = {
+ SHADER_SLIDE_COMMON
+ C(0, void transition(int idx, ivec2 pos, float progress)
)
+ C(0, {
)
+ C(1, slide(idx, pos, progress, ivec2(+1, 0));
)
+ C(0, }
)
+};
+
+static const char transition_slideright[] = {
+ SHADER_SLIDE_COMMON
+ C(0, void transition(int idx, ivec2 pos, float progress)
)
+ C(0, {
)
+ C(1, slide(idx, pos, progress, ivec2(-1, 0));
)
+ C(0, }
)
+};
+
static const char* transitions_map[NB_TRANSITIONS] = {
[FADE] = transition_fade,
[WIPELEFT] = transition_wipeleft,
[WIPERIGHT] = transition_wiperight,
[WIPEUP] = transition_wipeup,
[WIPEDOWN] = transition_wipedown,
+ [SLIDEDOWN] = transition_slidedown,
+ [SLIDEUP] = transition_slideup,
+ [SLIDELEFT] = transition_slideleft,
+ [SLIDERIGHT]= transition_slideright,
};
static av_cold int init_vulkan(AVFilterContext *avctx)
@@ -481,6 +535,10 @@ static const AVOption xfade_vulkan_options[] = {
{ "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST,
{.i64=WIPERIGHT}, 0, 0, FLAGS, "transition" },
{ "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST,
{.i64=WIPEUP}, 0, 0, FLAGS, "transition" },
{ "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST,
{.i64=WIPEDOWN}, 0, 0, FLAGS, "transition" },
+ { "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST,
{.i64=SLIDEDOWN}, 0, 0, FLAGS, "transition" },
+ { "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST,
{.i64=SLIDEUP}, 0, 0, FLAGS, "transition" },
+ { "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST,
{.i64=SLIDELEFT}, 0, 0, FLAGS, "transition" },
+ { "slideright","slide right transition", 0, AV_OPT_TYPE_CONST,
{.i64=SLIDERIGHT}, 0, 0, FLAGS, "transition" },
{ "duration", "set cross fade duration", OFFSET(duration),
AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS },
{ "offset", "set cross fade start relative to first input stream",
OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
{ NULL }
--
2.37.0 (Apple Git-136)
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