[FFmpeg-devel] [PATCH V2 4/5] lavfi: add ProcAmp(color balance) vaapi video filter.

Jun Zhao mypopydev at gmail.com
Wed Jan 17 04:49:21 EET 2018


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From 5749acdcc5a7607221c29473d52a674922c7e8e0 Mon Sep 17 00:00:00 2001
From: Jun Zhao <jun.zhao at intel.com>
Date: Mon, 8 Jan 2018 16:12:41 +0800
Subject: [PATCH V2 4/5] lavfi: add ProcAmp(color balance) vaapi video filter.

add ProcAmp(color balance) vaapi video filter, use the option
like -vf "procamp_vaapi=b=10:h=120:c=2.8:s=3.7" to set
brightness/hue/contrast/saturation.

Signed-off-by: Yun Zhou <yunx.z.zhou at intel.com>
Signed-off-by: Jun Zhao <jun.zhao at intel.com>
---
 configure                      |   1 +
 libavfilter/Makefile           |   1 +
 libavfilter/allfilters.c       |   1 +
 libavfilter/vf_procamp_vaapi.c | 230 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 233 insertions(+)
 create mode 100644 libavfilter/vf_procamp_vaapi.c

diff --git a/configure b/configure
index 5d533621ae..12fb34a202 100755
--- a/configure
+++ b/configure
@@ -3245,6 +3245,7 @@ perspective_filter_deps="gpl"
 phase_filter_deps="gpl"
 pp7_filter_deps="gpl"
 pp_filter_deps="gpl postproc"
+procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
 program_opencl_filter_deps="opencl"
 pullup_filter_deps="gpl"
 removelogo_filter_deps="avcodec avformat swscale"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index bbc97a0831..43d0dd36e6 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -275,6 +275,7 @@ OBJS-$(CONFIG_PP_FILTER)                     += vf_pp.o
 OBJS-$(CONFIG_PP7_FILTER)                    += vf_pp7.o
 OBJS-$(CONFIG_PREMULTIPLY_FILTER)            += vf_premultiply.o framesync.o
 OBJS-$(CONFIG_PREWITT_FILTER)                += vf_convolution.o
+OBJS-$(CONFIG_PROCAMP_VAAPI_FILTER)          += vf_procamp_vaapi.o vaapi_vpp.o
 OBJS-$(CONFIG_PROGRAM_OPENCL_FILTER)         += vf_program_opencl.o opencl.o framesync.o
 OBJS-$(CONFIG_PSEUDOCOLOR_FILTER)            += vf_pseudocolor.o
 OBJS-$(CONFIG_PSNR_FILTER)                   += vf_psnr.o framesync.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 42516bbdf9..63550628e5 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -284,6 +284,7 @@ static void register_all(void)
     REGISTER_FILTER(PP7,            pp7,            vf);
     REGISTER_FILTER(PREMULTIPLY,    premultiply,    vf);
     REGISTER_FILTER(PREWITT,        prewitt,        vf);
+    REGISTER_FILTER(PROCAMP_VAAPI,  procamp_vaapi,  vf);
     REGISTER_FILTER(PROGRAM_OPENCL, program_opencl, vf);
     REGISTER_FILTER(PSEUDOCOLOR,    pseudocolor,    vf);
     REGISTER_FILTER(PSNR,           psnr,           vf);
diff --git a/libavfilter/vf_procamp_vaapi.c b/libavfilter/vf_procamp_vaapi.c
new file mode 100644
index 0000000000..e2bb944f78
--- /dev/null
+++ b/libavfilter/vf_procamp_vaapi.c
@@ -0,0 +1,230 @@
+/*
+ * 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 <va/va.h>
+#include <va/va_vpp.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"
+
+typedef struct ProcampVAAPIContext {
+    float bright;
+    float hue;
+    float saturation;
+    float contrast;
+} ProcampVAAPIContext;
+
+static int procamp_vaapi_build_filter_params(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+    ProcampVAAPIContext *ctx = vpp_ctx->priv;
+    VAStatus vas;
+    VAProcFilterParameterBufferColorBalance procamp_params[4];
+    VAProcFilterCapColorBalance procamp_caps[VAProcColorBalanceCount];
+    int num_caps;
+
+    memset(&procamp_params, 0, sizeof(procamp_params));
+    memset(&procamp_caps, 0, sizeof(procamp_caps));
+
+    num_caps = VAProcColorBalanceCount;
+    vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display, vpp_ctx->va_context,
+                                     VAProcFilterColorBalance, &procamp_caps, &num_caps);
+
+    if (vas != VA_STATUS_SUCCESS) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to query procamp "
+               "filter caps: %d (%s).\n", vas, vaErrorStr(vas));
+        return AVERROR(EIO);
+    }
+
+    procamp_params[0].type   = VAProcFilterColorBalance;
+    procamp_params[0].attrib = VAProcColorBalanceBrightness;
+    procamp_params[0].value  = ctx->bright;
+
+    procamp_params[1].type   = VAProcFilterColorBalance;
+    procamp_params[1].attrib = VAProcColorBalanceContrast;
+    procamp_params[1].value  = ctx->contrast;
+
+    procamp_params[2].type   = VAProcFilterColorBalance;
+    procamp_params[2].attrib = VAProcColorBalanceHue;
+    procamp_params[2].value  = ctx->hue;
+
+    procamp_params[3].type   = VAProcFilterColorBalance;
+    procamp_params[3].attrib = VAProcColorBalanceSaturation;
+    procamp_params[3].value  = ctx->saturation;
+
+    return vaapi_vpp_make_param_buffers(vpp_ctx,
+                                        VAProcFilterParameterBufferType,
+                                        &procamp_params,
+                                        sizeof(procamp_params[0]),
+                                        4);
+}
+
+static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
+{
+    AVFilterContext *avctx   = inlink->dst;
+    AVFilterLink *outlink    = avctx->outputs[0];
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+    ProcampVAAPIContext *ctx = vpp_ctx->priv;
+    AVFrame *output_frame = NULL;
+    VASurfaceID input_surface, output_surface;
+    VAProcPipelineParameterBuffer params;
+    VARectangle input_region;
+    int err;
+
+    av_log(ctx, 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(ctx, AV_LOG_DEBUG, "Using surface %#x for procamp 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(ctx, AV_LOG_DEBUG, "Using surface %#x for procamp output.\n",
+           output_surface);
+    memset(&params, 0, sizeof(params));
+    input_region = (VARectangle) {
+        .x      = 0,
+        .y      = 0,
+        .width  = input_frame->width,
+        .height = input_frame->height,
+    };
+
+    params.surface = input_surface;
+    params.surface_region = &input_region;
+    params.surface_color_standard =
+        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;
+
+    params.filters     = &vpp_ctx->filter_buffers[0];
+    params.num_filters = 1;
+
+    err = vaapi_vpp_render_picture(vpp_ctx, &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(ctx, 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 procamp_vaapi_init(AVFilterContext *avctx)
+{
+    VAAPIVPPContext *vpp_ctx = avctx->priv;
+
+    vaapi_vpp_ctx_init(vpp_ctx);
+    vpp_ctx->pipeline_uninit     = vaapi_vpp_pipeline_uninit;
+    vpp_ctx->build_filter_params = procamp_vaapi_build_filter_params;
+    vpp_ctx->output_format       = AV_PIX_FMT_NONE;
+
+    return 0;
+}
+
+#define OFFSET(x) (offsetof(VAAPIVPPContext, priv_data) + \
+                    offsetof(ProcampVAAPIContext, x))
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM)
+static const AVOption procamp_vaapi_options[] = {
+    { "b", "Output video brightness",
+      OFFSET(bright),  AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, -100.0, 100.0, .flags = FLAGS },
+    { "brightness", "Output video brightness",
+      OFFSET(bright),  AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, -100.0, 100.0, .flags = FLAGS },
+    { "s", "Output video saturation",
+      OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 10.0, .flags = FLAGS },
+    { "saturatio", "Output video saturation",
+      OFFSET(saturation), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 10.0, .flags = FLAGS },
+    { "c", "Output video contrast",
+      OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 10.0, .flags = FLAGS },
+    { "contrast", "Output video contrast",
+      OFFSET(contrast),  AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 10.0, .flags = FLAGS },
+    { "h", "Output video hue",
+      OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, -180.0, 180.0, .flags = FLAGS },
+    { "hue", "Output video hue",
+      OFFSET(hue), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, -180.0, 180.0, .flags = FLAGS },
+    { NULL },
+};
+
+AVFILTER_DEFINE_CLASS(procamp_vaapi);
+
+static const AVFilterPad procamp_vaapi_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = &procamp_vaapi_filter_frame,
+        .config_props = &vaapi_vpp_config_input,
+    },
+    { NULL }
+};
+
+static const AVFilterPad procamp_vaapi_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+        .config_props = &vaapi_vpp_config_output,
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_procamp_vaapi = {
+    .name          = "procamp_vaapi",
+    .description   = NULL_IF_CONFIG_SMALL("ProcAmp (color balance) adjustments for hue, saturation, brightness, contrast"),
+    .priv_size     = (sizeof(VAAPIVPPContext) +
+                      sizeof(ProcampVAAPIContext)),
+    .init          = &procamp_vaapi_init,
+    .uninit        = &vaapi_vpp_ctx_uninit,
+    .query_formats = &vaapi_vpp_query_formats,
+    .inputs        = procamp_vaapi_inputs,
+    .outputs       = procamp_vaapi_outputs,
+    .priv_class    = &procamp_vaapi_class,
+    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
-- 
2.14.1



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