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lavfi/vf_xfade_vulkan: add pixelize

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Marvin Scholz 2023-08-21 22:45:26 +02:00 committed by Lynne
parent 98bd8a7f5c
commit 85c7c79a62
1 changed files with 18 additions and 0 deletions
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18
libavfilter/vf_xfade_vulkan.c
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@ -80,6 +80,7 @@ enum XFadeTransitions {
CIRCLEOPEN, CIRCLEOPEN,
CIRCLECLOSE, CIRCLECLOSE,
DISSOLVE, DISSOLVE,
PIXELIZE,
NB_TRANSITIONS, NB_TRANSITIONS,
}; };
@ -230,6 +231,21 @@ static const char transition_dissolve[] = {
C(0, } ) C(0, } )
}; };
static const char transition_pixelize[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, float d = min(progress, 1.0 - progress); )
C(1, float dist = ceil(d * 50.0) / 50.0; )
C(1, float sq = 2.0 * dist * min(size.x, size.y) / 20.0; )
C(1, float sx = dist > 0.0 ? min((floor(pos.x / sq) + 0.5) * sq, size.x - 1) : pos.x; )
C(1, float sy = dist > 0.0 ? min((floor(pos.y / sq) + 0.5) * sq, size.y - 1) : pos.y; )
C(1, vec4 a = texture(a_images[idx], vec2(sx, sy)); )
C(1, vec4 b = texture(b_images[idx], vec2(sx, sy)); )
C(1, imageStore(output_images[idx], pos, mix(a, b, progress)); )
C(0, } )
};
static const char* transitions_map[NB_TRANSITIONS] = { static const char* transitions_map[NB_TRANSITIONS] = {
[FADE] = transition_fade, [FADE] = transition_fade,
[WIPELEFT] = transition_wipeleft, [WIPELEFT] = transition_wipeleft,
@ -243,6 +259,7 @@ static const char* transitions_map[NB_TRANSITIONS] = {
[CIRCLEOPEN] = transition_circleopen, [CIRCLEOPEN] = transition_circleopen,
[CIRCLECLOSE] = transition_circleclose, [CIRCLECLOSE] = transition_circleclose,
[DISSOLVE] = transition_dissolve, [DISSOLVE] = transition_dissolve,
[PIXELIZE] = transition_pixelize,
}; };
static av_cold int init_vulkan(AVFilterContext *avctx) static av_cold int init_vulkan(AVFilterContext *avctx)
@ -596,6 +613,7 @@ static const AVOption xfade_vulkan_options[] = {
{ "circleopen", "circleopen transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, "transition" }, { "circleopen", "circleopen transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, "transition" },
{ "circleclose", "circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE}, 0, 0, FLAGS, "transition" }, { "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" }, { "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" },
{ "duration", "set cross fade duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS }, { "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 }, { "offset", "set cross fade start relative to first input stream", OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
{ NULL } { NULL }