lavfi: add denoise and sharpness VAAPI video filters.

Most code between them is common, so put them in a new file for
miscellaneous VAAPI filters.

Signed-off-by: Yun Zhou <yunx.z.zhou@intel.com>
Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>

1 files changed, 293 insertions, 0 deletions

diff --git a/libavfilter/vf_misc_vaapi.c b/libavfilter/vf_misc_vaapi.c
new file mode 100644
index 0000000..316f15e
--- /dev/null
+++ b/libavfilter/vf_misc_vaapi.c
@@ -0,0 +1,293 @@
+/*
+ * 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 <string.h>
+
+#include "libavutil/avassert.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "vaapi_vpp.h"
+
+// Denoise min/max/default Values
+#define DENOISE_MIN            0
+#define DENOISE_MAX            64
+#define DENOISE_DEFAULT        0
+
+// Sharpness min/max/default values
+#define SHARPNESS_MIN          0
+#define SHARPNESS_MAX          64
+#define SHARPNESS_DEFAULT      44
+
+typedef struct DenoiseVAAPIContext {
+    VAAPIVPPContext vpp_ctx; // must be the first fileld
+
+    int denoise;         // enable denoise algo.
+} DenoiseVAAPIContext;
+
+typedef struct SharpnessVAAPIContext {
+    VAAPIVPPContext vpp_ctx; // must be the first fileld
+
+    int sharpness;       // enable sharpness.
+} SharpnessVAAPIContext;
+
+static float map(int x, int in_min, int in_max, float out_min, float out_max)
+{
+    double slope, output;
+
+    slope = 1.0 * (out_max - out_min) / (in_max - in_min);
+    output = out_min + slope * (x - in_min);
+
+    return (float)output;
+}
+
+static int denoise_vaapi_build_filter_params(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+    DenoiseVAAPIContext *ctx = avctx->priv;
+
+    VAProcFilterCap caps;
+
+    VAStatus vas;
+    uint32_t num_caps = 1;
+
+    VAProcFilterParameterBuffer denoise;
+
+    if (ctx->denoise != DENOISE_DEFAULT) {
+        vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display, vpp_ctx->va_context,
+                                         VAProcFilterNoiseReduction,
+                                         &caps, &num_caps);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to query denoise caps "
+                   "context: %d (%s).\n", vas, vaErrorStr(vas));
+            return AVERROR(EIO);
+        }
+
+        denoise.type  = VAProcFilterNoiseReduction;
+        denoise.value =  map(ctx->denoise, DENOISE_MIN, DENOISE_MAX,
+                             caps.range.min_value,
+                             caps.range.max_value);
+        ff_vaapi_vpp_make_param_buffers(avctx, VAProcFilterParameterBufferType,
+                                        &denoise, sizeof(denoise), 1);
+    }
+
+    return 0;
+}
+
+static int sharpness_vaapi_build_filter_params(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx   = avctx->priv;
+    SharpnessVAAPIContext *ctx = avctx->priv;
+
+    VAProcFilterCap caps;
+
+    VAStatus vas;
+    uint32_t num_caps = 1;
+
+    VAProcFilterParameterBuffer sharpness;
+
+    if (ctx->sharpness != SHARPNESS_DEFAULT) {
+        vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display, vpp_ctx->va_context,
+                                         VAProcFilterSharpening,
+                                         &caps, &num_caps);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to query sharpness caps "
+                   "context: %d (%s).\n", vas, vaErrorStr(vas));
+            return AVERROR(EIO);
+        }
+
+        sharpness.type  = VAProcFilterSharpening;
+        sharpness.value = map(ctx->sharpness,
+                              SHARPNESS_MIN, SHARPNESS_MAX,
+                              caps.range.min_value,
+                              caps.range.max_value);
+        ff_vaapi_vpp_make_param_buffers(avctx,
+                                        VAProcFilterParameterBufferType,
+                                        &sharpness, sizeof(sharpness), 1);
+    }
+
+    return 0;
+}
+
+static int misc_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
+{
+    AVFilterContext *avctx   = inlink->dst;
+    AVFilterLink *outlink    = avctx->outputs[0];
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+    AVFrame *output_frame    = NULL;
+    VASurfaceID input_surface, output_surface;
+    VARectangle input_region;
+
+    VAProcPipelineParameterBuffer params;
+    int err;
+
+    av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
+           av_get_pix_fmt_name(input_frame->format),
+           input_frame->width, input_frame->height, input_frame->pts);
+
+    if (vpp_ctx->va_context == VA_INVALID_ID)
+        return AVERROR(EINVAL);
+
+    input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
+    av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for misc vpp input.\n",
+           input_surface);
+
+    output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
+                                       vpp_ctx->output_height);
+    if (!output_frame) {
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
+    av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for misc vpp output.\n",
+           output_surface);
+    memset(&params, 0, sizeof(params));
+    input_region = (VARectangle) {
+        .x      = 0,
+        .y      = 0,
+        .width  = input_frame->width,
+        .height = input_frame->height,
+    };
+
+    if (vpp_ctx->nb_filter_buffers) {
+        params.filters     = &vpp_ctx->filter_buffers[0];
+        params.num_filters = vpp_ctx->nb_filter_buffers;
+    }
+    params.surface = input_surface;
+    params.surface_region = &input_region;
+    params.surface_color_standard =
+        ff_vaapi_vpp_colour_standard(input_frame->colorspace);
+
+    params.output_region = NULL;
+    params.output_background_color = 0xff000000;
+    params.output_color_standard = params.surface_color_standard;
+
+    params.pipeline_flags = 0;
+    params.filter_flags = VA_FRAME_PICTURE;
+
+    err = ff_vaapi_vpp_render_picture(avctx, &params, output_surface);
+    if (err < 0)
+        goto fail;
+
+    err = av_frame_copy_props(output_frame, input_frame);
+    if (err < 0)
+        goto fail;
+    av_frame_free(&input_frame);
+
+    av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
+           av_get_pix_fmt_name(output_frame->format),
+           output_frame->width, output_frame->height, output_frame->pts);
+
+    return ff_filter_frame(outlink, output_frame);
+
+fail:
+    av_frame_free(&input_frame);
+    av_frame_free(&output_frame);
+    return err;
+}
+
+static av_cold int denoise_vaapi_init(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+
+    ff_vaapi_vpp_ctx_init(avctx);
+    vpp_ctx->pipeline_uninit     = ff_vaapi_vpp_pipeline_uninit;
+    vpp_ctx->build_filter_params = denoise_vaapi_build_filter_params;
+    vpp_ctx->output_format       = AV_PIX_FMT_NONE;
+
+    return 0;
+}
+
+static av_cold int sharpness_vaapi_init(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+
+    ff_vaapi_vpp_ctx_init(avctx);
+    vpp_ctx->pipeline_uninit     = ff_vaapi_vpp_pipeline_uninit;
+    vpp_ctx->build_filter_params = sharpness_vaapi_build_filter_params;
+    vpp_ctx->output_format       = AV_PIX_FMT_NONE;
+
+    return 0;
+}
+
+#define DOFFSET(x) offsetof(DenoiseVAAPIContext, x)
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM)
+static const AVOption denoise_vaapi_options[] = {
+    { "denoise", "denoise level",
+      DOFFSET(denoise), AV_OPT_TYPE_INT, { .i64 = DENOISE_DEFAULT }, DENOISE_MIN, DENOISE_MAX, .flags = FLAGS },
+    { NULL },
+};
+
+#define SOFFSET(x) offsetof(SharpnessVAAPIContext, x)
+static const AVOption sharpness_vaapi_options[] = {
+    { "sharpness", "sharpness level",
+      SOFFSET(sharpness), AV_OPT_TYPE_INT, { .i64 = SHARPNESS_DEFAULT }, SHARPNESS_MIN, SHARPNESS_MAX, .flags = FLAGS },
+    { NULL },
+};
+
+AVFILTER_DEFINE_CLASS(denoise_vaapi);
+AVFILTER_DEFINE_CLASS(sharpness_vaapi);
+
+static const AVFilterPad misc_vaapi_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = &misc_vaapi_filter_frame,
+        .config_props = &ff_vaapi_vpp_config_input,
+    },
+    { NULL }
+};
+
+static const AVFilterPad misc_vaapi_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+        .config_props = &ff_vaapi_vpp_config_output,
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_denoise_vaapi = {
+    .name          = "denoise_vaapi",
+    .description   = NULL_IF_CONFIG_SMALL("VAAPI VPP for de-noise"),
+    .priv_size     = sizeof(DenoiseVAAPIContext),
+    .init          = &denoise_vaapi_init,
+    .uninit        = &ff_vaapi_vpp_ctx_uninit,
+    .query_formats = &ff_vaapi_vpp_query_formats,
+    .inputs        = misc_vaapi_inputs,
+    .outputs       = misc_vaapi_outputs,
+    .priv_class    = &denoise_vaapi_class,
+    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
+
+AVFilter ff_vf_sharpness_vaapi = {
+    .name          = "sharpness_vaapi",
+    .description   = NULL_IF_CONFIG_SMALL("VAAPI VPP for sharpness"),
+    .priv_size     = sizeof(SharpnessVAAPIContext),
+    .init          = &sharpness_vaapi_init,
+    .uninit        = &ff_vaapi_vpp_ctx_uninit,
+    .query_formats = &ff_vaapi_vpp_query_formats,
+    .inputs        = misc_vaapi_inputs,
+    .outputs       = misc_vaapi_outputs,
+    .priv_class    = &sharpness_vaapi_class,
+    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};