[FFmpeg-devel] lavf : scale_vaapi : add denoise/sharpless support

Jun Zhao mypopydev at gmail.com
Tue Aug 30 10:02:14 EEST 2016


From 78421d6b3a4da21dc1e7793777946cf057fc6cfe Mon Sep 17 00:00:00 2001
From: Jun Zhao <mypopydev at gmail.com>
Date: Tue, 30 Aug 2016 14:36:00 +0800
Subject: [PATCH] lavf : scale_vaapi : add denoise/sharpless support.

add denoise/sharpless support, used scope [-1, 100] as the input
scope.

Signed-off-by: Jun Zhao <jun.zhao at intel.com>
---
 libavfilter/vf_scale_vaapi.c | 115 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)

diff --git a/libavfilter/vf_scale_vaapi.c b/libavfilter/vf_scale_vaapi.c
index 8dd5acf..06bb128 100644
--- a/libavfilter/vf_scale_vaapi.c
+++ b/libavfilter/vf_scale_vaapi.c
@@ -53,6 +53,16 @@ typedef struct ScaleVAAPIContext {
     int output_width;
     int output_height;
 
+    VAProcFilterCap denoise_caps;
+    int support_denoise;
+    int denoise;         // enable denoise algo. level is the optional
+                         // value from the interval [-1, 100], -1 means disabled
+
+    VAProcFilterCap sharpless_caps;
+    int support_sharpless;
+    int sharpless;       // enable sharpless. level is the optional value
+                         // from the interval [-1, 100], -1 means disabled
+
 } ScaleVAAPIContext;
 
 
@@ -117,6 +127,8 @@ static int scale_vaapi_config_output(AVFilterLink *outlink)
     AVVAAPIFramesContext *va_frames;
     VAStatus vas;
     int err, i;
+    unsigned int num_denoise_caps = 1;
+    unsigned int num_sharpless_caps = 1;
 
     scale_vaapi_pipeline_uninit(ctx);
 
@@ -225,6 +237,29 @@ static int scale_vaapi_config_output(AVFilterLink *outlink)
         goto fail;
     }
 
+    vas = vaQueryVideoProcFilterCaps(ctx->hwctx->display, ctx->va_context,
+                                     VAProcFilterNoiseReduction,
+                                     &ctx->denoise_caps, &num_denoise_caps);
+    if (vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_WARNING, "Failed to query denoise caps "
+               "context: %d (%s).\n", vas, vaErrorStr(vas));
+        ctx->support_denoise = -1;
+    } else {
+        ctx->support_denoise = 1;
+    }
+
+    vas = vaQueryVideoProcFilterCaps(ctx->hwctx->display, ctx->va_context,
+                                     VAProcFilterSharpening,
+                                     &ctx->sharpless_caps, &num_sharpless_caps);
+    if (vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_WARNING, "Failed to query sharpless caps "
+               "context: %d (%s).\n", vas, vaErrorStr(vas));
+        ctx->support_sharpless = -1;
+    } else {
+        ctx->support_sharpless = 1;
+    }
+
+
     av_freep(&hwconfig);
     av_hwframe_constraints_free(&constraints);
     return 0;
@@ -250,6 +285,14 @@ static int vaapi_proc_colour_standard(enum AVColorSpace av_cs)
     }
 }
 
+static float map_to_range(
+    int input, int in_min, int in_max,
+    float out_min, float out_max)
+{
+    return (input - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+
 static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
 {
     AVFilterContext *avctx = inlink->dst;
@@ -259,6 +302,10 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     VASurfaceID input_surface, output_surface;
     VAProcPipelineParameterBuffer params;
     VABufferID params_id;
+    VABufferID denoise_id;
+    VABufferID sharpless_id;
+    VABufferID filter_bufs[8];
+    int num_filter_bufs = 0;
     VAStatus vas;
     int err;
 
@@ -290,6 +337,43 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for scale output.\n",
            output_surface);
 
+    if (ctx->denoise != -1 && ctx->support_denoise) {
+        VAProcFilterParameterBuffer denoise;
+        denoise.type  = VAProcFilterNoiseReduction;
+        denoise.value =  map_to_range(ctx->denoise, 0, 100,
+                                      ctx->denoise_caps.range.min_value,
+                                      ctx->denoise_caps.range.max_value);
+        vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
+                       VAProcFilterParameterBufferType, sizeof(denoise), 1,
+                       &denoise, &denoise_id);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(ctx, AV_LOG_ERROR,  "Failed to create denoise parameter buffer: "
+                   "%d (%s).\n", vas, vaErrorStr(vas));
+            err = AVERROR(EIO);
+            goto fail;
+        }
+        filter_bufs[num_filter_bufs++] = denoise_id;
+    }
+
+    if (ctx->sharpless != -1 &&  ctx->support_sharpless) {
+        VAProcFilterParameterBuffer sharpless;
+        sharpless.type  = VAProcFilterSharpening;
+        sharpless.value = map_to_range(ctx->sharpless,
+                                       ctx->sharpless_caps.range.min_value,
+                                       ctx->sharpless_caps.range.max_value,
+                                       0, 100);
+        vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
+                       VAProcFilterParameterBufferType, sizeof(sharpless), 1,
+                       &sharpless, &sharpless_id);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(ctx, AV_LOG_ERROR,  "Failed to create sharpless parameter buffer: "
+                   "%d (%s).\n", vas, vaErrorStr(vas));
+            err = AVERROR(EIO);
+            goto fail;
+        }
+        filter_bufs[num_filter_bufs++] = sharpless_id;
+    }
+
     memset(&params, 0, sizeof(params));
 
     params.surface = input_surface;
@@ -304,6 +388,11 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     params.pipeline_flags = 0;
     params.filter_flags = VA_FILTER_SCALING_HQ;
 
+    if (num_filter_bufs) {
+         params.filters = filter_bufs;
+         params.num_filters = num_filter_bufs;
+    }
+
     vas = vaBeginPicture(ctx->hwctx->display,
                          ctx->va_context, output_surface);
     if (vas != VA_STATUS_SUCCESS) {
@@ -351,6 +440,28 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         goto fail;
     }
 
+    // This doesn't get freed automatically for some reason.
+    if (ctx->denoise != -1 && ctx->support_denoise) {
+        vas = vaDestroyBuffer(ctx->hwctx->display, denoise_id);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to free denoise parameter buffer: "
+                   "%d (%s).\n", vas, vaErrorStr(vas));
+            err = AVERROR(EIO);
+            goto fail;
+        }
+    }
+
+    // This doesn't get freed automatically for some reason.
+    if (ctx->sharpless != -1 && ctx->support_sharpless) {
+        vas = vaDestroyBuffer(ctx->hwctx->display, sharpless_id);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to free sharpless parameter buffer: "
+                   "%d (%s).\n", vas, vaErrorStr(vas));
+            err = AVERROR(EIO);
+            goto fail;
+        }
+    }
+
     av_frame_copy_props(output_frame, input_frame);
     av_frame_free(&input_frame);
 
@@ -418,6 +529,10 @@ static const AVOption scale_vaapi_options[] = {
       OFFSET(output_height), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
     { "format", "Output video format (software format of hardware frames)",
       OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
+    { "denoise", "denoise level [-1, 100], -1 means disabled",
+      OFFSET(denoise), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, .flags = FLAGS },
+    { "sharpless", "sharpless level [-1, 100], -1 means disabled",
+      OFFSET(sharpless), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, .flags = FLAGS },
     { NULL },
 };
 
-- 
2.1.4



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