From 85c7c79a62adbabc7c2dfb6a1dfff6cd44cf0cb4 Mon Sep 17 00:00:00 2001 From: Marvin Scholz Date: Mon, 21 Aug 2023 22:45:26 +0200 Subject: [PATCH] lavfi/vf_xfade_vulkan: add pixelize --- libavfilter/vf_xfade_vulkan.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/libavfilter/vf_xfade_vulkan.c b/libavfilter/vf_xfade_vulkan.c index 61111f932d..283a8e0710 100644 --- a/libavfilter/vf_xfade_vulkan.c +++ b/libavfilter/vf_xfade_vulkan.c @@ -80,6 +80,7 @@ enum XFadeTransitions { CIRCLEOPEN, CIRCLECLOSE, DISSOLVE, + PIXELIZE, NB_TRANSITIONS, }; @@ -230,6 +231,21 @@ static const char transition_dissolve[] = { 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] = { [FADE] = transition_fade, [WIPELEFT] = transition_wipeleft, @@ -243,6 +259,7 @@ static const char* transitions_map[NB_TRANSITIONS] = { [CIRCLEOPEN] = transition_circleopen, [CIRCLECLOSE] = transition_circleclose, [DISSOLVE] = transition_dissolve, + [PIXELIZE] = transition_pixelize, }; 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" }, { "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" }, { "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 }