From: Niklas Haas <g...@haasn.dev>
Like vf_blackdetect but better, faster, stronger, harder.
Signed-off-by: Niklas Haas <g...@haasn.dev>
Sponsored-by: nxtedition
---
configure | 1 +
doc/filters.texi | 2 +-
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/vf_blackdetect_vulkan.c | 431 ++++++++++++++++++++++++++++
5 files changed, 435 insertions(+), 1 deletion(-)
create mode 100644 libavfilter/vf_blackdetect_vulkan.c
diff --git a/configure b/configure
index 2e69b3c56c..2e5f9fea49 100755
--- a/configure
+++ b/configure
@@ -3877,6 +3877,7 @@ ass_filter_deps="libass"
avgblur_opencl_filter_deps="opencl"
avgblur_vulkan_filter_deps="vulkan spirv_compiler"
azmq_filter_deps="libzmq"
+blackdetect_vulkan_filter_deps="vulkan spirv_compiler"
blackframe_filter_deps="gpl"
blend_vulkan_filter_deps="vulkan spirv_compiler"
boxblur_filter_deps="gpl"
diff --git a/doc/filters.texi b/doc/filters.texi
index a90322e242..105adda0db 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -8634,7 +8634,7 @@ Filter out noisy pixels from @code{bitplane} set above.
Default is disabled.
@end table
-@section blackdetect
+@section blackdetect, blackdetect_vulkan
Detect video intervals that are (almost) completely black. Can be
useful to detect chapter transitions, commercials, or invalid
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 0effe4127f..e9d4566a2a 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -208,6 +208,7 @@ OBJS-$(CONFIG_BILATERAL_FILTER) +=
vf_bilateral.o
OBJS-$(CONFIG_BILATERAL_CUDA_FILTER) += vf_bilateral_cuda.o
vf_bilateral_cuda.ptx.o
OBJS-$(CONFIG_BITPLANENOISE_FILTER) += vf_bitplanenoise.o
OBJS-$(CONFIG_BLACKDETECT_FILTER) += vf_blackdetect.o
+OBJS-$(CONFIG_BLACKDETECT_VULKAN_FILTER) += vf_blackdetect_vulkan.o
OBJS-$(CONFIG_BLACKFRAME_FILTER) += vf_blackframe.o
OBJS-$(CONFIG_BLEND_FILTER) += vf_blend.o framesync.o
OBJS-$(CONFIG_BLEND_VULKAN_FILTER) += vf_blend_vulkan.o framesync.o
vulkan.o vulkan_filter.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 5ea33cdf01..92890575f1 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -192,6 +192,7 @@ extern const FFFilter ff_vf_bilateral;
extern const FFFilter ff_vf_bilateral_cuda;
extern const FFFilter ff_vf_bitplanenoise;
extern const FFFilter ff_vf_blackdetect;
+extern const FFFilter ff_vf_blackdetect_vulkan;
extern const FFFilter ff_vf_blackframe;
extern const FFFilter ff_vf_blend;
extern const FFFilter ff_vf_blend_vulkan;
diff --git a/libavfilter/vf_blackdetect_vulkan.c
b/libavfilter/vf_blackdetect_vulkan.c
new file mode 100644
index 0000000000..4e977abe3d
--- /dev/null
+++ b/libavfilter/vf_blackdetect_vulkan.c
@@ -0,0 +1,431 @@
+/*
+ * Copyright 2025 (c) Niklas Haas
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <float.h>
+#include "libavutil/vulkan_spirv.h"
+#include "libavutil/opt.h"
+#include "libavutil/timestamp.h"
+#include "vulkan_filter.h"
+
+#include "filters.h"
+#include "video.h"
+
+typedef struct BlackDetectVulkanContext {
+ FFVulkanContext vkctx;
+
+ int initialized;
+ FFVkExecPool e;
+ AVVulkanDeviceQueueFamily *qf;
+ FFVulkanShader shd;
+ AVBufferPool *sum_buf_pool;
+
+ double black_min_duration_time;
+ double picture_black_ratio_th;
+ double pixel_black_th;
+ int alpha;
+
+ int64_t black_start;
+ int64_t black_end;
+} BlackDetectVulkanContext;
+
+typedef struct BlackDetectPushData {
+ float threshold;
+} BlackDetectPushData;
+
+typedef struct BlackDetectBuf {
+#define SLICES 16
+ uint32_t slice_sum[SLICES];
+} BlackDetectBuf;
+
+static av_cold int init_filter(AVFilterContext *ctx)
+{
+ int err;
+ uint8_t *spv_data;
+ size_t spv_len;
+ void *spv_opaque = NULL;
+ BlackDetectVulkanContext *s = ctx->priv;
+ FFVulkanContext *vkctx = &s->vkctx;
+ FFVulkanShader *shd;
+ FFVkSPIRVCompiler *spv;
+ FFVulkanDescriptorSetBinding *desc;
+ const int plane = s->alpha ? 3 : 0;
+
+ const AVPixFmtDescriptor *pixdesc =
av_pix_fmt_desc_get(s->vkctx.input_format);
+ if (pixdesc->flags & AV_PIX_FMT_FLAG_RGB) {
+ av_log(ctx, AV_LOG_ERROR, "RGB inputs are not supported\n");
+ return AVERROR(ENOTSUP);
+ }
+
+ spv = ff_vk_spirv_init();
+ if (!spv) {
+ av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ s->qf = ff_vk_qf_find(vkctx, VK_QUEUE_COMPUTE_BIT, 0);
+ if (!s->qf) {
+ av_log(ctx, AV_LOG_ERROR, "Device has no compute queues\n");
+ err = AVERROR(ENOTSUP);
+ goto fail;
+ }
+
+ RET(ff_vk_exec_pool_init(vkctx, s->qf, &s->e, s->qf->num*4, 0, 0, 0,
NULL));
+ RET(ff_vk_shader_init(vkctx, &s->shd, "blackdetect",
+ VK_SHADER_STAGE_COMPUTE_BIT,
+ (const char *[]) { "GL_KHR_shader_subgroup_ballot"
}, 1,
+ 32, 32, 1,
+ 0));
+ shd = &s->shd;
+
+ GLSLC(0, layout(push_constant, std430) uniform pushConstants {
);
+ GLSLC(1, float threshold;
);
+ GLSLC(0, };
);
+
+ ff_vk_shader_add_push_const(shd, 0, sizeof(BlackDetectPushData),
+ VK_SHADER_STAGE_COMPUTE_BIT);
+
+ desc = (FFVulkanDescriptorSetBinding []) {
+ {
+ .name = "input_img",
+ .type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.input_format,
FF_VK_REP_FLOAT),
+ .mem_quali = "readonly",
+ .dimensions = 2,
+ .elems = av_pix_fmt_count_planes(s->vkctx.input_format),
+ .stages = VK_SHADER_STAGE_COMPUTE_BIT,
+ }, {
+ .name = "sum_buffer",
+ .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
+ .stages = VK_SHADER_STAGE_COMPUTE_BIT,
+ .buf_content = "uint slice_sum[];",
+ }
+ };
+
+ RET(ff_vk_shader_add_descriptor_set(vkctx, &s->shd, desc, 2, 0, 0));
+
+ GLSLC(0, shared uint wg_sum;
);
+ GLSLC(0,
);
+ GLSLC(0, void main()
);
+ GLSLC(0, {
);
+ GLSLC(1, wg_sum = 0u;
);
+ GLSLC(1, barrier();
);
+ GLSLC(0,
);
+ GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy);
);
+ GLSLF(1, if (!IS_WITHIN(pos, imageSize(input_img[%d])))
,plane);
+ GLSLC(2, return;
);
+ GLSLF(1, float value = imageLoad(input_img[%d], pos).x;
,plane);
+ GLSLC(1, uvec4 isblack = subgroupBallot(value <= threshold);
);
+ GLSLC(1, if (subgroupElect())
);
+ GLSLC(2, atomicAdd(wg_sum, subgroupBallotBitCount(isblack));
);
+ GLSLC(1, barrier();
);
+ GLSLC(1, if (gl_LocalInvocationIndex == 0u)
);
+ GLSLF(2, atomicAdd(slice_sum[gl_WorkGroupID.x %% %du], wg_sum);
,SLICES);
+ GLSLC(0, }
);
+
+ RET(spv->compile_shader(vkctx, spv, &s->shd, &spv_data, &spv_len, "main",
+ &spv_opaque));
+ RET(ff_vk_shader_link(vkctx, &s->shd, spv_data, spv_len, "main"));
+
+ RET(ff_vk_shader_register_exec(vkctx, &s->e, &s->shd));
+
+ s->initialized = 1;
+
+fail:
+ if (spv_opaque)
+ spv->free_shader(spv, &spv_opaque);
+ if (spv)
+ spv->uninit(&spv);
+
+ return err;
+}
+
+static void evaluate(AVFilterLink *link, AVFrame *in,
+ const BlackDetectBuf *sum)
+{
+ AVFilterContext *ctx = link->dst;
+ BlackDetectVulkanContext *s = ctx->priv;
+ FilterLink *inl = ff_filter_link(link);
+ uint64_t nb_black_pixels = 0;
+ double ratio;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(sum->slice_sum); i++)
+ nb_black_pixels += sum->slice_sum[i];
+
+ ratio = (double) nb_black_pixels / (link->w * link->h);
+
+ av_log(ctx, AV_LOG_DEBUG,
+ "frame:%"PRId64" picture_black_ratio:%f pts:%s t:%s type:%c\n",
+ inl->frame_count_out, ratio,
+ av_ts2str(in->pts), av_ts2timestr(in->pts, &in->time_base),
+ av_get_picture_type_char(in->pict_type));
+
+ if (ratio >= s->picture_black_ratio_th) {
+ if (s->black_start == AV_NOPTS_VALUE) {
+ s->black_start = in->pts;
+ av_dict_set(&in->metadata, "lavfi.black_start",
+ av_ts2timestr(in->pts, &in->time_base), 0);
+ }
+ } else if (s->black_start != AV_NOPTS_VALUE) {
+ av_dict_set(&in->metadata, "lavfi.black_end",
+ av_ts2timestr(in->pts, &in->time_base), 0);
+ if ((in->pts - s->black_start) >= s->black_min_duration_time /
av_q2d(in->time_base)) {
+ av_log(s, AV_LOG_INFO,
+ "black_start:%s black_end:%s black_duration:%s\n",
+ av_ts2timestr(s->black_start, &in->time_base),
+ av_ts2timestr(in->pts, &in->time_base),
+ av_ts2timestr(in->pts - s->black_start, &in->time_base));
+ }
+ s->black_start = AV_NOPTS_VALUE;
+ }
+}
+
+static int blackdetect_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
+{
+ int err;
+ AVFilterContext *ctx = link->dst;
+ BlackDetectVulkanContext *s = ctx->priv;
+ AVFilterLink *outlink = ctx->outputs[0];
+
+ VkImageView in_views[AV_NUM_DATA_POINTERS];
+ VkImageMemoryBarrier2 img_bar[4];
+ int nb_img_bar = 0;
+
+ FFVulkanContext *vkctx = &s->vkctx;
+ FFVulkanFunctions *vk = &vkctx->vkfn;
+ FFVkExecContext *exec = NULL;
+ AVBufferRef *sum_buf = NULL;
+ FFVkBuffer *sum_vk;
+
+ BlackDetectBuf *sum;
+ BlackDetectPushData push_data;
+
+ if (in->color_range == AVCOL_RANGE_JPEG || s->alpha) {
+ push_data.threshold = s->pixel_black_th;
+ } else {
+ const AVPixFmtDescriptor *desc =
av_pix_fmt_desc_get(vkctx->input_format);
+ const int depth = desc->comp[0].depth;
+ const int ymin = 16 << (depth - 8);
+ const int ymax = 235 << (depth - 8);
+ const int imax = (1 << depth) - 1;
+ push_data.threshold = (s->pixel_black_th * (ymax - ymin) + ymin) /
imax;
+ }
+
+ if (!s->initialized)
+ RET(init_filter(ctx));
+
+ err = ff_vk_get_pooled_buffer(vkctx, &s->sum_buf_pool, &sum_buf,
+ VK_BUFFER_USAGE_TRANSFER_DST_BIT |
+ VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
+ NULL,
+ sizeof(BlackDetectBuf),
+ VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT |
+ VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
+ VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
+ if (err < 0)
+ return err;
+ sum_vk = (FFVkBuffer *)sum_buf->data;
+ sum = (BlackDetectBuf *) sum_vk->mapped_mem;
+
+ exec = ff_vk_exec_get(vkctx, &s->e);
+ ff_vk_exec_start(vkctx, exec);
+
+ RET(ff_vk_exec_add_dep_frame(vkctx, exec, in,
+ VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
+ VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
+ RET(ff_vk_create_imageviews(vkctx, exec, in_views, in, FF_VK_REP_FLOAT));
+
+ ff_vk_shader_update_img_array(vkctx, exec, &s->shd, in, in_views, 0, 0,
+ VK_IMAGE_LAYOUT_GENERAL, VK_NULL_HANDLE);
+
+ ff_vk_frame_barrier(vkctx, exec, in, img_bar, &nb_img_bar,
+ VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
+ VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
+ VK_ACCESS_SHADER_READ_BIT,
+ VK_IMAGE_LAYOUT_GENERAL,
+ VK_QUEUE_FAMILY_IGNORED);
+
+ /* zero sum buffer */
+ vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) {
+ .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
+ .pBufferMemoryBarriers = &(VkBufferMemoryBarrier2) {
+ .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2,
+ .srcStageMask = VK_PIPELINE_STAGE_2_NONE,
+ .dstStageMask = VK_PIPELINE_STAGE_2_TRANSFER_BIT,
+ .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
+ .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .buffer = sum_vk->buf,
+ .size = sum_vk->size,
+ .offset = 0,
+ },
+ .bufferMemoryBarrierCount = 1,
+ });
+
+ vk->CmdFillBuffer(exec->buf, sum_vk->buf, 0, sum_vk->size, 0x0);
+
+ vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) {
+ .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
+ .pImageMemoryBarriers = img_bar,
+ .imageMemoryBarrierCount = nb_img_bar,
+ .pBufferMemoryBarriers = &(VkBufferMemoryBarrier2) {
+ .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2,
+ .srcStageMask = VK_PIPELINE_STAGE_2_TRANSFER_BIT,
+ .dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
+ .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
+ .dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT |
+ VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT,
+ .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .buffer = sum_vk->buf,
+ .size = sum_vk->size,
+ .offset = 0,
+ },
+ .bufferMemoryBarrierCount = 1,
+ });
+
+ RET(ff_vk_shader_update_desc_buffer(&s->vkctx, exec, &s->shd, 0, 1, 0,
+ sum_vk, 0, sum_vk->size,
+ VK_FORMAT_UNDEFINED));
+
+ ff_vk_exec_bind_shader(vkctx, exec, &s->shd);
+ ff_vk_shader_update_push_const(vkctx, exec, &s->shd,
VK_SHADER_STAGE_COMPUTE_BIT,
+ 0, sizeof(push_data), &push_data);
+
+ vk->CmdDispatch(exec->buf,
+ FFALIGN(in->width, s->shd.lg_size[0]) / s->shd.lg_size[0],
+ FFALIGN(in->height, s->shd.lg_size[1]) / s->shd.lg_size[1],
+ s->shd.lg_size[2]);
+
+ vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) {
+ .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
+ .pBufferMemoryBarriers = &(VkBufferMemoryBarrier2) {
+ .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2,
+ .srcStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
+ .dstStageMask = VK_PIPELINE_STAGE_2_HOST_BIT,
+ .srcAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT |
+ VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT,
+ .dstAccessMask = VK_ACCESS_HOST_READ_BIT,
+ .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
+ .buffer = sum_vk->buf,
+ .size = sum_vk->size,
+ .offset = 0,
+ },
+ .bufferMemoryBarrierCount = 1,
+ });
+
+ RET(ff_vk_exec_submit(vkctx, exec));
+ ff_vk_exec_wait(vkctx, exec);
+ evaluate(link, in, sum);
+
+ av_buffer_unref(&sum_buf);
+ return ff_filter_frame(outlink, in);
+
+fail:
+ if (exec)
+ ff_vk_exec_discard_deps(&s->vkctx, exec);
+ av_frame_free(&in);
+ av_buffer_unref(&sum_buf);
+ return err;
+}
+
+static void blackdetect_vulkan_uninit(AVFilterContext *avctx)
+{
+ BlackDetectVulkanContext *s = avctx->priv;
+ FFVulkanContext *vkctx = &s->vkctx;
+
+ ff_vk_exec_pool_free(vkctx, &s->e);
+ ff_vk_shader_free(vkctx, &s->shd);
+
+ av_buffer_pool_uninit(&s->sum_buf_pool);
+
+ ff_vk_uninit(&s->vkctx);
+
+ s->initialized = 0;
+}
+
+static int config_output(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ BlackDetectVulkanContext *s = ctx->priv;
+ FFVulkanContext *vkctx = &s->vkctx;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(vkctx->input_format);
+
+ if (s->alpha && !(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) {
+ av_log(ctx, AV_LOG_ERROR, "Input format %s does not have an alpha
channel\n",
+ av_get_pix_fmt_name(vkctx->input_format));
+ return AVERROR(EINVAL);
+ }
+
+ if (desc->flags & (AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_XYZ) ||
+ !(desc->flags & AV_PIX_FMT_FLAG_PLANAR)) {
+ av_log(ctx, AV_LOG_ERROR, "Input format %s is not planar YUV\n",
+ av_get_pix_fmt_name(vkctx->input_format));
+ return AVERROR(EINVAL);
+ }
+
+ return ff_vk_filter_config_output(outlink);
+}
+
+#define OFFSET(x) offsetof(BlackDetectVulkanContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+static const AVOption blackdetect_vulkan_options[] = {
+ { "d", "set minimum detected black duration in seconds",
OFFSET(black_min_duration_time), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 0, DBL_MAX,
FLAGS },
+ { "black_min_duration", "set minimum detected black duration in seconds",
OFFSET(black_min_duration_time), AV_OPT_TYPE_DOUBLE, {.dbl=2}, 0, DBL_MAX,
FLAGS },
+ { "picture_black_ratio_th", "set the picture black ratio threshold",
OFFSET(picture_black_ratio_th), AV_OPT_TYPE_DOUBLE, {.dbl=.98}, 0, 1, FLAGS },
+ { "pic_th", "set the picture black ratio threshold",
OFFSET(picture_black_ratio_th), AV_OPT_TYPE_DOUBLE, {.dbl=.98}, 0, 1, FLAGS },
+ { "pixel_black_th", "set the pixel black threshold",
OFFSET(pixel_black_th), AV_OPT_TYPE_DOUBLE, {.dbl=.10}, 0, 1, FLAGS },
+ { "pix_th", "set the pixel black threshold",
OFFSET(pixel_black_th), AV_OPT_TYPE_DOUBLE, {.dbl=.10}, 0, 1, FLAGS },
+ { "alpha", "check alpha instead of luma", OFFSET(alpha),
AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(blackdetect_vulkan);
+
+static const AVFilterPad blackdetect_vulkan_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = &blackdetect_vulkan_filter_frame,
+ .config_props = &ff_vk_filter_config_input,
+ },
+};
+
+static const AVFilterPad blackdetect_vulkan_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = &config_output,
+ },
+};
+
+const FFFilter ff_vf_blackdetect_vulkan = {
+ .p.name = "blackdetect_vulkan",
+ .p.description = NULL_IF_CONFIG_SMALL("Detect video intervals that are
(almost) black."),
+ .p.priv_class = &blackdetect_vulkan_class,
+ .p.flags = AVFILTER_FLAG_HWDEVICE,
+ .priv_size = sizeof(BlackDetectVulkanContext),
+ .init = &ff_vk_filter_init,
+ .uninit = &blackdetect_vulkan_uninit,
+ FILTER_INPUTS(blackdetect_vulkan_inputs),
+ FILTER_OUTPUTS(blackdetect_vulkan_outputs),
+ FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
--
2.49.0
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