diff --git a/configure b/configure
index 6ad70b9f7b..f6c9e38051 100755
--- a/configure
+++ b/configure
@@ -3609,6 +3609,7 @@ avgblur_opencl_filter_deps="opencl"
 avgblur_vulkan_filter_deps="vulkan spirv_compiler"
 azmq_filter_deps="libzmq"
 blackframe_filter_deps="gpl"
+blend_vulkan_filter_deps="vulkan spirv_compiler"
 bm3d_filter_deps="avcodec"
 bm3d_filter_select="dct"
 boxblur_filter_deps="gpl"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 090944a99c..ed727e3fd9 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -192,6 +192,7 @@ OBJS-$(CONFIG_BITPLANENOISE_FILTER)          += vf_bitplanenoise.o
 OBJS-$(CONFIG_BLACKDETECT_FILTER)            += vf_blackdetect.o
 OBJS-$(CONFIG_BLACKFRAME_FILTER)             += vf_blackframe.o
 OBJS-$(CONFIG_BLEND_FILTER)                  += vf_blend.o framesync.o
+OBJS-$(CONFIG_BLEND_VULKAN_FILTER)           += vf_blend_vulkan.o framesync.o vulkan.o vulkan_filter.o
 OBJS-$(CONFIG_BM3D_FILTER)                   += vf_bm3d.o framesync.o
 OBJS-$(CONFIG_BOXBLUR_FILTER)                += vf_boxblur.o boxblur.o
 OBJS-$(CONFIG_BOXBLUR_OPENCL_FILTER)         += vf_avgblur_opencl.o opencl.o \
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index caa755320e..84ba9fdf54 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -183,6 +183,7 @@ extern const AVFilter ff_vf_bitplanenoise;
 extern const AVFilter ff_vf_blackdetect;
 extern const AVFilter ff_vf_blackframe;
 extern const AVFilter ff_vf_blend;
+extern const AVFilter ff_vf_blend_vulkan;
 extern const AVFilter ff_vf_bm3d;
 extern const AVFilter ff_vf_boxblur;
 extern const AVFilter ff_vf_boxblur_opencl;
diff --git a/libavfilter/vf_blend_vulkan.c b/libavfilter/vf_blend_vulkan.c
new file mode 100644
index 0000000000..fac1be532d
--- /dev/null
+++ b/libavfilter/vf_blend_vulkan.c
@@ -0,0 +1,501 @@
+/*
+ * copyright (c) 2021 Wu Jianhua <jianhua.wu@intel.com>
+ * The blend modes are based on the blend.c.
+ *
+ * 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 "libavutil/random_seed.h"
+#include "libavutil/opt.h"
+#include "vulkan_filter.h"
+#include "internal.h"
+#include "framesync.h"
+#include "blend.h"
+
+#define CGS 32
+
+typedef struct FilterParamsVulkan {
+    const char *blend;
+    const char *blend_func;
+    double opacity;
+    enum BlendMode mode;
+} FilterParamsVulkan;
+
+typedef struct BlendVulkanContext {
+    FFVulkanContext vkctx;
+    FFVkQueueFamilyCtx qf;
+    FFVkExecContext *exec;
+    FFVulkanPipeline *pl;
+    FFFrameSync fs;
+
+    VkDescriptorImageInfo top_images[3];
+    VkDescriptorImageInfo bottom_images[3];
+    VkDescriptorImageInfo output_images[3];
+
+    FilterParamsVulkan params[4];
+    double all_opacity;
+    enum BlendMode all_mode;
+
+    int initialized;
+} BlendVulkanContext;
+
+#define DEFINE_BLEND_MODE(MODE, EXPR) \
+static const char blend_##MODE[] = "blend_"#MODE; \
+static const char blend_##MODE##_func[] = { \
+    C(0, vec4 blend_##MODE(vec4 top, vec4 bottom, float opacity) {   ) \
+    C(1,     vec4 dst = EXPR;                                        ) \
+    C(1,     return dst;                                             ) \
+    C(0, }                                                           ) \
+};
+
+#define TOP    0
+#define BOTTOM 1
+
+#define A top
+#define B bottom
+
+DEFINE_BLEND_MODE(NORMAL, A * opacity + B * (1.f - opacity))
+
+static inline void init_blend_func(FilterParamsVulkan *param)
+{
+#define CASE(MODE) case BLEND_##MODE: \
+            param->blend = blend_##MODE;\
+            param->blend_func =  blend_##MODE##_func; \
+            break;
+
+    switch (param->mode) {
+    CASE(NORMAL)
+    default: param->blend = NULL; break;
+    }
+
+#undef CASE
+}
+
+static int config_params(AVFilterContext *avctx)
+{
+    BlendVulkanContext *s = avctx->priv;
+
+    for (int plane = 0; plane < FF_ARRAY_ELEMS(s->params); plane++) {
+        FilterParamsVulkan *param = &s->params[plane];
+
+        if (s->all_mode >= 0)
+            param->mode = s->all_mode;
+        if (s->all_opacity < 1)
+            param->opacity = s->all_opacity;
+
+        init_blend_func(param);
+        if (!param->blend) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Currently the blend mode specified is not supported yet.\n");
+            return AVERROR(EINVAL);
+        }
+    }
+
+    return 0;
+}
+
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+                           char *res, int res_len, int flags)
+{
+    int ret;
+
+    ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+    if (ret < 0)
+        return ret;
+
+    return config_params(ctx);
+}
+
+static av_cold int init_filter(AVFilterContext *avctx)
+{
+    int err = 0;
+    FFVkSampler *sampler;
+    FFVkSPIRVShader *shd;
+    BlendVulkanContext *s = avctx->priv;
+    FFVulkanContext *vkctx = &s->vkctx;
+    const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
+
+    ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT, 0);
+
+    sampler = ff_vk_init_sampler(vkctx, 1, VK_FILTER_LINEAR);
+    if (!sampler)
+        return AVERROR_EXTERNAL;
+
+    s->pl = ff_vk_create_pipeline(vkctx, &s->qf);
+    if (!s->pl)
+        return AVERROR(ENOMEM);
+
+    {
+        FFVulkanDescriptorSetBinding image_descs[] = {
+            {
+                .name       = "top_images",
+                .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                .dimensions = 2,
+                .elems      = planes,
+                .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
+                .updater    = s->top_images,
+                .sampler    = sampler,
+            },
+            {
+                .name       = "bottom_images",
+                .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                .dimensions = 2,
+                .elems      = planes,
+                .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
+                .updater    = s->bottom_images,
+                .sampler    = sampler,
+            },
+            {
+                .name       = "output_images",
+                .type       = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+                .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
+                .mem_quali  = "writeonly",
+                .dimensions = 2,
+                .elems      = planes,
+                .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
+                .updater    = s->output_images,
+            },
+        };
+
+        shd = ff_vk_init_shader(s->pl, "blend_compute", image_descs[0].stages);
+        if (!shd)
+            return AVERROR(ENOMEM);
+
+        ff_vk_set_compute_shader_sizes(shd, (int [3]){ CGS, CGS, 1 });
+        RET(ff_vk_add_descriptor_set(vkctx, s->pl, shd, image_descs, FF_ARRAY_ELEMS(image_descs), 0));
+
+        for (int i = 0, j = 0; i < planes; i++) {
+            for (j = 0; j < i; j++)
+                if (s->params[i].blend_func == s->params[j].blend_func)
+                    break;
+            /* note: the bracket is needed, for GLSLD is a macro with multiple statements. */
+            if (j == i) {
+                GLSLD(s->params[i].blend_func);
+            }
+        }
+
+        GLSLC(0, void main()                                               );
+        GLSLC(0, {                                                         );
+        GLSLC(1,     ivec2 size;                                           );
+        GLSLC(1,     const ivec2 pos = ivec2(gl_GlobalInvocationID.xy);    );
+        for (int i = 0; i < planes; i++) {
+            GLSLC(0,                                                       );
+            GLSLF(1, size = imageSize(output_images[%i]);                ,i);
+            GLSLC(1, if (IS_WITHIN(pos, size)) {                           );
+            GLSLF(2,     const vec4 top = texture(top_images[%i], pos);       ,i);
+            GLSLF(2,     const vec4 bottom = texture(bottom_images[%i], pos); ,i);
+            GLSLF(2,     const float opacity = %f;         ,s->params[i].opacity);
+            GLSLF(2,     vec4 dst = %s(top, bottom, opacity);,s->params[i].blend);
+            GLSLC(0,                                                       );
+            GLSLF(2,     imageStore(output_images[%i], pos, dst);        ,i);
+            GLSLC(1, }                                                     );
+        }
+        GLSLC(0, }                                                         );
+
+        RET(ff_vk_compile_shader(vkctx, shd, "main"));
+        RET(ff_vk_init_pipeline_layout(vkctx, s->pl));
+        RET(ff_vk_init_compute_pipeline(vkctx, s->pl));
+    }
+
+    RET(ff_vk_create_exec_ctx(vkctx, &s->exec, &s->qf));
+
+    s->initialized = 1;
+
+fail:
+    return err;
+}
+
+static int process_frames(AVFilterContext *avctx, AVFrame *out_frame, AVFrame *top_frame, AVFrame *bottom_frame)
+{
+    int err = 0;
+    VkCommandBuffer cmd_buf;
+    BlendVulkanContext *s = avctx->priv;
+    FFVulkanContext *vkctx = &s->vkctx;
+    FFVulkanFunctions *vk = &s->vkctx.vkfn;
+    const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
+
+    AVVkFrame *out    = (AVVkFrame *)out_frame->data[0];
+    AVVkFrame *top    = (AVVkFrame *)top_frame->data[0];
+    AVVkFrame *bottom = (AVVkFrame *)bottom_frame->data[0];
+
+    AVHWFramesContext *top_fc    = (AVHWFramesContext*)top_frame->hw_frames_ctx->data;
+    AVHWFramesContext *bottom_fc = (AVHWFramesContext*)bottom_frame->hw_frames_ctx->data;
+
+    const VkFormat *top_formats    = av_vkfmt_from_pixfmt(top_fc->sw_format);
+    const VkFormat *bottom_formats = av_vkfmt_from_pixfmt(bottom_fc->sw_format);
+    const VkFormat *output_formats = av_vkfmt_from_pixfmt(s->vkctx.output_format);
+
+    ff_vk_start_exec_recording(vkctx, s->exec);
+    cmd_buf = ff_vk_get_exec_buf(s->exec);
+
+    for (int i = 0; i < planes; i++) {
+        RET(ff_vk_create_imageview(vkctx, s->exec,
+                                   &s->top_images[i].imageView, top->img[i],
+                                   top_formats[i],
+                                   ff_comp_identity_map));
+
+        RET(ff_vk_create_imageview(vkctx, s->exec,
+                                   &s->bottom_images[i].imageView, bottom->img[i],
+                                   bottom_formats[i],
+                                   ff_comp_identity_map));
+
+        RET(ff_vk_create_imageview(vkctx, s->exec,
+                                   &s->output_images[i].imageView, out->img[i],
+                                   output_formats[i],
+                                   ff_comp_identity_map));
+
+        s->top_images[i].imageLayout    = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+        s->bottom_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+        s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
+    }
+
+    ff_vk_update_descriptor_set(vkctx, s->pl, 0);
+
+    for (int i = 0; i < planes; i++) {
+        VkImageMemoryBarrier barriers[] = {
+            {
+                .sType                       = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
+                .srcAccessMask               = 0,
+                .dstAccessMask               = VK_ACCESS_SHADER_READ_BIT,
+                .oldLayout                   = top->layout[i],
+                .newLayout                   = s->top_images[i].imageLayout,
+                .srcQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .dstQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .image                       = top->img[i],
+                .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+                .subresourceRange.levelCount = 1,
+                .subresourceRange.layerCount = 1,
+            },
+            {
+                .sType                       = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
+                .srcAccessMask               = 0,
+                .dstAccessMask               = VK_ACCESS_SHADER_READ_BIT,
+                .oldLayout                   = bottom->layout[i],
+                .newLayout                   = s->bottom_images[i].imageLayout,
+                .srcQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .dstQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .image                       = bottom->img[i],
+                .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+                .subresourceRange.levelCount = 1,
+                .subresourceRange.layerCount = 1,
+            },
+            {
+                .sType                       = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
+                .srcAccessMask               = 0,
+                .dstAccessMask               = VK_ACCESS_SHADER_WRITE_BIT,
+                .oldLayout                   = out->layout[i],
+                .newLayout                   = s->output_images[i].imageLayout,
+                .srcQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .dstQueueFamilyIndex         = VK_QUEUE_FAMILY_IGNORED,
+                .image                       = out->img[i],
+                .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+                .subresourceRange.levelCount = 1,
+                .subresourceRange.layerCount = 1,
+            },
+        };
+
+        vk->CmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
+                               VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0,
+                               0, NULL, 0, NULL, FF_ARRAY_ELEMS(barriers), barriers);
+
+        top->layout[i] = barriers[0].newLayout;
+        top->access[i] = barriers[0].dstAccessMask;
+
+        bottom->layout[i] = barriers[1].newLayout;
+        bottom->access[i] = barriers[1].dstAccessMask;
+
+        out->layout[i] = barriers[2].newLayout;
+        out->access[i] = barriers[2].dstAccessMask;
+    }
+
+    ff_vk_bind_pipeline_exec(vkctx, s->exec, s->pl);
+    vk->CmdDispatch(cmd_buf, FFALIGN(s->vkctx.output_width, CGS) / CGS,
+                    FFALIGN(s->vkctx.output_height, CGS) / CGS, 1);
+
+    ff_vk_add_exec_dep(vkctx, s->exec, top_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
+    ff_vk_add_exec_dep(vkctx, s->exec, bottom_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
+    ff_vk_add_exec_dep(vkctx, s->exec, out_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
+
+    err = ff_vk_submit_exec_queue(vkctx, s->exec);
+    if (err)
+        return err;
+
+    ff_vk_qf_rotate(&s->qf);
+
+    return 0;
+
+fail:
+    ff_vk_discard_exec_deps(s->exec);
+    return err;
+}
+
+static int blend_frame(FFFrameSync *fs)
+{
+    int err;
+    AVFilterContext *avctx = fs->parent;
+    BlendVulkanContext *s = avctx->priv;
+    AVFilterLink *outlink = avctx->outputs[0];
+    AVFrame *top, *bottom, *out;
+
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!out) {
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    RET(ff_framesync_get_frame(fs, TOP, &top, 0));
+    RET(ff_framesync_get_frame(fs, BOTTOM, &bottom, 0));
+
+    RET(av_frame_copy_props(out, top));
+
+    if (!s->initialized) {
+        AVHWFramesContext *top_fc = (AVHWFramesContext*)top->hw_frames_ctx->data;
+        AVHWFramesContext *bottom_fc = (AVHWFramesContext*)bottom->hw_frames_ctx->data;
+        if (top_fc->sw_format != bottom_fc->sw_format) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Currently the sw format of the bottom video need to match the top!\n");
+            return AVERROR(EINVAL);
+        }
+        RET(init_filter(avctx));
+    }
+
+    RET(process_frames(avctx, out, top, bottom));
+
+    return ff_filter_frame(outlink, out);
+
+fail:
+    av_frame_free(&out);
+    return err;
+}
+
+static av_cold int init(AVFilterContext *avctx)
+{
+    BlendVulkanContext *s = avctx->priv;
+
+    s->fs.on_event = blend_frame;
+
+    return ff_vk_filter_init(avctx);
+}
+
+static av_cold void uninit(AVFilterContext *avctx)
+{
+    BlendVulkanContext *s = avctx->priv;
+
+    ff_framesync_uninit(&s->fs);
+
+    ff_vk_uninit(&s->vkctx);
+
+    s->initialized = 0;
+}
+
+static int config_props_output(AVFilterLink *outlink)
+{
+    int err;
+    AVFilterContext *avctx = outlink->src;
+    BlendVulkanContext *s = avctx->priv;
+    AVFilterLink *toplink = avctx->inputs[TOP];
+    AVFilterLink *bottomlink = avctx->inputs[BOTTOM];
+
+    if (toplink->w != bottomlink->w || toplink->h != bottomlink->h) {
+        av_log(avctx, AV_LOG_ERROR, "First input link %s parameters "
+                "(size %dx%d) do not match the corresponding "
+                "second input link %s parameters (size %dx%d)\n",
+                avctx->input_pads[TOP].name, toplink->w, toplink->h,
+                avctx->input_pads[BOTTOM].name, bottomlink->w, bottomlink->h);
+        return AVERROR(EINVAL);
+    }
+
+    outlink->sample_aspect_ratio = toplink->sample_aspect_ratio;
+    outlink->frame_rate = toplink->frame_rate;
+
+    RET(ff_vk_filter_config_output(outlink));
+
+    RET(ff_framesync_init_dualinput(&s->fs, avctx));
+
+    RET(ff_framesync_configure(&s->fs));
+    outlink->time_base = s->fs.time_base;
+
+    RET(config_params(avctx));
+
+fail:
+    return err;
+}
+
+static int activate(AVFilterContext *avctx)
+{
+    BlendVulkanContext *s = avctx->priv;
+    return ff_framesync_activate(&s->fs);
+}
+
+#define OFFSET(x) offsetof(BlendVulkanContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+
+static const AVOption blend_vulkan_options[] = {
+    { "c0_mode", "set component #0 blend mode", OFFSET(params[0].mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, BLEND_NB - 1, FLAGS, "mode" },
+    { "c1_mode", "set component #1 blend mode", OFFSET(params[1].mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, BLEND_NB - 1, FLAGS, "mode" },
+    { "c2_mode", "set component #2 blend mode", OFFSET(params[2].mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, BLEND_NB - 1, FLAGS, "mode" },
+    { "c3_mode", "set component #3 blend mode", OFFSET(params[3].mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, BLEND_NB - 1, FLAGS, "mode" },
+    { "all_mode", "set blend mode for all components", OFFSET(all_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, BLEND_NB - 1, FLAGS, "mode" },
+        { "normal", "", 0, AV_OPT_TYPE_CONST, { .i64 = BLEND_NORMAL }, 0, 0, FLAGS, "mode" },
+
+    { "c0_opacity",  "set color component #0 opacity", OFFSET(params[0].opacity), AV_OPT_TYPE_DOUBLE, { .dbl = 1 }, 0, 1, FLAGS },
+    { "c1_opacity",  "set color component #1 opacity", OFFSET(params[1].opacity), AV_OPT_TYPE_DOUBLE, { .dbl = 1 }, 0, 1, FLAGS },
+    { "c2_opacity",  "set color component #2 opacity", OFFSET(params[2].opacity), AV_OPT_TYPE_DOUBLE, { .dbl = 1 }, 0, 1, FLAGS },
+    { "c3_opacity",  "set color component #3 opacity", OFFSET(params[3].opacity), AV_OPT_TYPE_DOUBLE, { .dbl = 1 }, 0, 1, FLAGS },
+    { "all_opacity", "set opacity for all color components", OFFSET(all_opacity), AV_OPT_TYPE_DOUBLE, { .dbl = 1 }, 0, 1, FLAGS },
+
+    { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(blend_vulkan);
+
+static const AVFilterPad blend_vulkan_inputs[] = {
+    {
+        .name         = "top",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = &ff_vk_filter_config_input,
+    },
+    {
+        .name         = "bottom",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = &ff_vk_filter_config_input,
+    },
+};
+
+
+static const AVFilterPad blend_vulkan_outputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = &config_props_output,
+    }
+};
+
+const AVFilter ff_vf_blend_vulkan = {
+    .name            = "blend_vulkan",
+    .description     = NULL_IF_CONFIG_SMALL("Blend two video frames in Vulkan"),
+    .priv_size       = sizeof(BlendVulkanContext),
+    .init            = &init,
+    .uninit          = &uninit,
+    .activate        = &activate,
+    FILTER_INPUTS(blend_vulkan_inputs),
+    FILTER_OUTPUTS(blend_vulkan_outputs),
+    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
+    .priv_class      = &blend_vulkan_class,
+    .flags_internal  = FF_FILTER_FLAG_HWFRAME_AWARE,
+    .process_command = &process_command,
+};
