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Code Issues Releases Activity

lavfi/vf_xfade_vulkan: add wipes

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Add the wipetl, wipetr, wipebl, wipebr effects.
This commit is contained in:
Marvin Scholz
2023-08-21 22:45:27 +02:00
committed by Lynne
parent 85c7c79a62
commit 15a89a9422
1 changed files with 60 additions and 0 deletions
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60
libavfilter/vf_xfade_vulkan.c
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@@ -81,6 +81,10 @@ enum XFadeTransitions {
CIRCLECLOSE,
DISSOLVE,
PIXELIZE,
WIPETL,
WIPETR,
WIPEBL,
WIPEBR,
NB_TRANSITIONS,
};
@@ -246,6 +250,54 @@ static const char transition_pixelize[] = {
C(0, } )
};
static const char transition_wipetl[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, float zw = size.x * (1.0 - progress); )
C(1, float zh = size.y * (1.0 - progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, (pos.y <= zh && pos.x <= zw) ? a : b); )
C(0, } )
};
static const char transition_wipetr[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, float zw = size.x * (progress); )
C(1, float zh = size.y * (1.0 - progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, (pos.y <= zh && pos.x > zw) ? a : b); )
C(0, } )
};
static const char transition_wipebl[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, float zw = size.x * (1.0 - progress); )
C(1, float zh = size.y * (progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, (pos.y > zh && pos.x <= zw) ? a : b); )
C(0, } )
};
static const char transition_wipebr[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, float zw = size.x * (progress); )
C(1, float zh = size.y * (progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, (pos.y > zh && pos.x > zw) ? a : b); )
C(0, } )
};
static const char* transitions_map[NB_TRANSITIONS] = {
[FADE] = transition_fade,
[WIPELEFT] = transition_wipeleft,
@@ -260,6 +312,10 @@ static const char* transitions_map[NB_TRANSITIONS] = {
[CIRCLECLOSE] = transition_circleclose,
[DISSOLVE] = transition_dissolve,
[PIXELIZE] = transition_pixelize,
[WIPETL] = transition_wipetl,
[WIPETR] = transition_wipetr,
[WIPEBL] = transition_wipebl,
[WIPEBR] = transition_wipebr,
};
static av_cold int init_vulkan(AVFilterContext *avctx)
@@ -614,6 +670,10 @@ static const AVOption xfade_vulkan_options[] = {
{ "circleclose", "circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE}, 0, 0, FLAGS, "transition" },
{ "dissolve", "dissolve transition", 0, AV_OPT_TYPE_CONST, {.i64=DISSOLVE}, 0, 0, FLAGS, "transition" },
{ "pixelize", "pixelize transition", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE}, 0, 0, FLAGS, "transition" },
{ "wipetl", "wipe top left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETL}, 0, 0, FLAGS, "transition" },
{ "wipetr", "wipe top right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETR}, 0, 0, FLAGS, "transition" },
{ "wipebl", "wipe bottom left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBL}, 0, 0, FLAGS, "transition" },
{ "wipebr", "wipe bottom right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBR}, 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 }