lavfi: add color_vulkan filter

1 files changed, 377 insertions, 0 deletions

diff --git a/libavfilter/vsrc_testsrc_vulkan.c b/libavfilter/vsrc_testsrc_vulkan.c
new file mode 100644
index 0000000000..7eacb57c80
--- /dev/null
+++ b/libavfilter/vsrc_testsrc_vulkan.c
@@ -0,0 +1,377 @@
+/*
+ * Copyright (c) Lynne
+ *
+ * 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/csp.h"
+#include "libavutil/opt.h"
+#include "vulkan_filter.h"
+#include "vulkan_spirv.h"
+#include "internal.h"
+#include "filters.h"
+#include "colorspace.h"
+
+enum TestSrcVulkanMode {
+    TESTSRC_COLOR,
+};
+
+typedef struct TestSrcVulkanPushData {
+    float color_comp[4];
+} TestSrcVulkanPushData;
+
+typedef struct TestSrcVulkanContext {
+    FFVulkanContext vkctx;
+
+    int initialized;
+    FFVulkanPipeline pl;
+    FFVkExecPool e;
+    FFVkQueueFamilyCtx qf;
+    FFVkSPIRVShader shd;
+
+    /* Only used by color_vulkan */
+    uint8_t color_rgba[4];
+
+    TestSrcVulkanPushData opts;
+
+    int w, h;
+    int pw, ph;
+    char *out_format_string;
+    enum AVColorRange out_range;
+    unsigned int nb_frame;
+    AVRational time_base, frame_rate;
+    int64_t pts;
+    int64_t duration;           ///< duration expressed in microseconds
+    AVRational sar;             ///< sample aspect ratio
+    int draw_once;              ///< draw only the first frame, always put out the same picture
+    int draw_once_reset;        ///< draw only the first frame or in case of reset
+    AVFrame *picref;            ///< cached reference containing the painted picture
+} TestSrcVulkanContext;
+
+static av_cold int init_filter(AVFilterContext *ctx, enum TestSrcVulkanMode mode)
+{
+    int err;
+    uint8_t *spv_data;
+    size_t spv_len;
+    void *spv_opaque = NULL;
+    TestSrcVulkanContext *s = ctx->priv;
+    FFVulkanContext *vkctx = &s->vkctx;
+    const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
+    FFVkSPIRVShader *shd = &s->shd;
+    FFVkSPIRVCompiler *spv;
+    FFVulkanDescriptorSetBinding *desc_set;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->vkctx.output_format);
+
+    spv = ff_vk_spirv_init();
+    if (!spv) {
+        av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT);
+    RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL));
+    RET(ff_vk_shader_init(&s->pl, &s->shd, "testsrc_compute",
+                          VK_SHADER_STAGE_COMPUTE_BIT, 0));
+
+    ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1);
+
+    GLSLC(0, layout(push_constant, std430) uniform pushConstants {        );
+    GLSLC(1,    vec4 color_comp;                                          );
+    GLSLC(0, };                                                           );
+    GLSLC(0,                                                              );
+
+    ff_vk_add_push_constant(&s->pl, 0, sizeof(s->opts),
+                            VK_SHADER_STAGE_COMPUTE_BIT);
+
+    desc_set = (FFVulkanDescriptorSetBinding []) {
+        {
+            .name       = "output_img",
+            .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,
+        },
+    };
+
+    RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc_set, 1, 0, 0));
+
+    GLSLC(0, void main()                                                  );
+    GLSLC(0, {                                                            );
+    GLSLC(1,     ivec2 pos = ivec2(gl_GlobalInvocationID.xy);             );
+    if (mode == TESTSRC_COLOR) {
+        double rgb2yuv[3][3];
+        double rgbad[4];
+        double yuvad[4];
+
+        enum AVColorSpace csp;
+        const AVLumaCoefficients *luma = NULL;
+
+        s->draw_once = 1;
+
+        if (desc->flags & AV_PIX_FMT_FLAG_RGB)
+            csp = AVCOL_SPC_RGB;
+        else
+            csp = AVCOL_SPC_SMPTE170M;
+
+        if (!(desc->flags & AV_PIX_FMT_FLAG_RGB) && !(luma = av_csp_luma_coeffs_from_avcsp(csp)))
+            return AVERROR(EINVAL);
+        else if (!(desc->flags & AV_PIX_FMT_FLAG_RGB))
+            ff_fill_rgb2yuv_table(luma, rgb2yuv);
+
+        for (int i = 0; i < 4; i++)
+            rgbad[i] = s->color_rgba[i] / 255.0;
+
+        if (!(desc->flags & AV_PIX_FMT_FLAG_RGB))
+            ff_matrix_mul_3x3_vec(yuvad, rgbad, rgb2yuv);
+        else
+            memcpy(yuvad, rgbad, sizeof(rgbad));
+
+        yuvad[3] = rgbad[3];
+
+        if (!(desc->flags & AV_PIX_FMT_FLAG_RGB)) {
+            for (int i = 0; i < 3; i++) {
+                int chroma = (!(desc->flags & AV_PIX_FMT_FLAG_RGB) && i > 0);
+                if (s->out_range == AVCOL_RANGE_MPEG) {
+                    yuvad[i] *= (chroma ? 224.0 : 219.0) / 255.0;
+                    yuvad[i] += (chroma ? 128.0 :  16.0) / 255.0;
+                } else if (chroma) {
+                    yuvad[i] += 0.5;
+                }
+            }
+        }
+
+        /* Ensure we place the alpha appropriately for gray formats */
+        if (desc->nb_components <= 2)
+            yuvad[1] = yuvad[3];
+
+        for (int i = 0; i < 4; i++)
+            s->opts.color_comp[i] = yuvad[i];
+
+        GLSLC(1,     vec4 r;                                                  );
+        GLSLC(0,                                                              );
+        for (int i = 0, c_off = 0; i < planes; i++) {
+            for (int c = 0; c < desc->nb_components; c++) {
+                if (desc->comp[c].plane == i) {
+                    int off = desc->comp[c].offset / (FFALIGN(desc->comp[c].depth, 8)/8);
+                    GLSLF(1, r[%i] = color_comp[%i];             ,off, c_off++);
+                }
+            }
+            GLSLF(1, imageStore(output_img[%i], pos, r);                    ,i);
+            GLSLC(0,                                                          );
+        }
+    }
+    GLSLC(0, }                                                            );
+
+    RET(spv->compile_shader(spv, ctx, shd, &spv_data, &spv_len, "main",
+                            &spv_opaque));
+    RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main"));
+
+    RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd));
+    RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl));
+
+    s->initialized = 1;
+
+    return 0;
+
+fail:
+    if (spv_opaque)
+        spv->free_shader(spv, &spv_opaque);
+    if (spv)
+        spv->uninit(&spv);
+
+    return err;
+}
+
+static int testsrc_vulkan_activate(AVFilterContext *ctx)
+{
+    int err;
+    AVFilterLink *outlink = ctx->outputs[0];
+    TestSrcVulkanContext *s = ctx->priv;
+    AVFrame *frame;
+
+    if (!s->initialized) {
+        enum TestSrcVulkanMode mode = TESTSRC_COLOR;
+        err = init_filter(ctx, mode);
+        if (err < 0)
+            return err;
+    }
+
+    if (!ff_outlink_frame_wanted(outlink))
+        return FFERROR_NOT_READY;
+    if (s->duration >= 0 &&
+        av_rescale_q(s->pts, s->time_base, AV_TIME_BASE_Q) >= s->duration) {
+        ff_outlink_set_status(outlink, AVERROR_EOF, s->pts);
+        return 0;
+    }
+
+    if (s->draw_once) {
+        if (s->draw_once_reset) {
+            av_frame_free(&s->picref);
+            s->draw_once_reset = 0;
+        }
+        if (!s->picref) {
+            s->picref = ff_get_video_buffer(outlink, s->w, s->h);
+            if (!s->picref)
+                return AVERROR(ENOMEM);
+
+            err = ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, s->picref, NULL,
+                                              NULL, &s->opts, sizeof(s->opts));
+            if (err < 0)
+                return err;
+        }
+        frame = av_frame_clone(s->picref);
+    } else {
+        frame = ff_get_video_buffer(outlink, s->w, s->h);
+    }
+
+    if (!frame)
+        return AVERROR(ENOMEM);
+
+    frame->pts                 = s->pts;
+    frame->duration            = 1;
+    frame->flags               = AV_FRAME_FLAG_KEY;
+    frame->pict_type           = AV_PICTURE_TYPE_I;
+    frame->sample_aspect_ratio = s->sar;
+    if (!s->draw_once) {
+        err = ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, frame, NULL,
+                                          NULL, &s->opts, sizeof(s->opts));
+        if (err < 0) {
+            av_frame_free(&frame);
+            return err;
+        }
+    }
+
+    s->pts++;
+    s->nb_frame++;
+
+    return ff_filter_frame(outlink, frame);
+}
+
+static int testsrc_vulkan_config_props(AVFilterLink *outlink)
+{
+    int err;
+    TestSrcVulkanContext *s = outlink->src->priv;
+    FFVulkanContext *vkctx = &s->vkctx;
+
+    if (!s->out_format_string) {
+        vkctx->output_format = AV_PIX_FMT_YUV444P;
+    } else {
+        vkctx->output_format = av_get_pix_fmt(s->out_format_string);
+        if (vkctx->output_format == AV_PIX_FMT_NONE) {
+            av_log(vkctx, AV_LOG_ERROR, "Invalid output format.\n");
+            return AVERROR(EINVAL);
+        }
+    }
+
+    err = ff_vk_filter_init_context(outlink->src, vkctx, NULL,
+                                    s->w, s->h, vkctx->output_format);
+    if (err < 0)
+        return err;
+
+    outlink->hw_frames_ctx = av_buffer_ref(vkctx->frames_ref);
+    if (!outlink->hw_frames_ctx)
+        return AVERROR(ENOMEM);
+
+    s->time_base = av_inv_q(s->frame_rate);
+    s->nb_frame = 0;
+    s->pts = 0;
+
+    s->vkctx.output_width = s->w;
+    s->vkctx.output_height = s->h;
+    outlink->w = s->w;
+    outlink->h = s->h;
+    outlink->sample_aspect_ratio = s->sar;
+    outlink->frame_rate = s->frame_rate;
+    outlink->time_base  = s->time_base;
+
+    return 0;
+}
+
+static void testsrc_vulkan_uninit(AVFilterContext *avctx)
+{
+    TestSrcVulkanContext *s = avctx->priv;
+    FFVulkanContext *vkctx = &s->vkctx;
+
+    av_frame_free(&s->picref);
+
+    ff_vk_exec_pool_free(vkctx, &s->e);
+    ff_vk_pipeline_free(vkctx, &s->pl);
+    ff_vk_shader_free(vkctx, &s->shd);
+
+    ff_vk_uninit(&s->vkctx);
+
+    s->initialized = 0;
+}
+
+#define OFFSET(x) offsetof(TestSrcVulkanContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+
+#define COMMON_OPTS                                                                                                                           \
+    { "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str = "1920x1080" }, 0, 0, FLAGS },                                     \
+    { "s",    "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str = "1920x1080" }, 0, 0, FLAGS },                                     \
+                                                                                                                                              \
+    { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "60" }, 0, INT_MAX, FLAGS },                             \
+    { "r",    "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "60" }, 0, INT_MAX, FLAGS },                             \
+                                                                                                                                              \
+    { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, FLAGS },                        \
+    { "d",        "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, FLAGS },                        \
+                                                                                                                                              \
+    { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, { .dbl = 1 },  0, INT_MAX, FLAGS },                          \
+                                                                                                                                              \
+    { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
+
+static const AVOption color_vulkan_options[] = {
+    { "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS },
+    { "c",     "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGS },
+    COMMON_OPTS
+    { "out_range", "Output colour range (from 0 to 2) (default 0)", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED}, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, .flags = FLAGS, "range" },
+        { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
+        { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
+        { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
+        { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
+        { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
+        { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
+    { NULL },
+};
+
+AVFILTER_DEFINE_CLASS(color_vulkan);
+
+static const AVFilterPad testsrc_vulkan_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+        .config_props = testsrc_vulkan_config_props,
+    },
+};
+
+const AVFilter ff_vsrc_color_vulkan = {
+    .name           = "color_vulkan",
+    .description    = NULL_IF_CONFIG_SMALL("Generate a constant color (Vulkan)"),
+    .priv_size      = sizeof(TestSrcVulkanContext),
+    .init           = &ff_vk_filter_init,
+    .uninit         = &testsrc_vulkan_uninit,
+    .inputs         = NULL,
+    .flags          = AVFILTER_FLAG_HWDEVICE,
+    .activate       = testsrc_vulkan_activate,
+    FILTER_OUTPUTS(testsrc_vulkan_outputs),
+    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
+    .priv_class     = &color_vulkan_class,
+    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};