[FFmpeg-devel] [PATCH v4 5/5] libavfilter: VAAPI surface converter

Mark Thompson sw at jkqxz.net
Sat Jan 23 20:17:00 CET 2016


---
 configure                   |   2 +
 libavfilter/Makefile        |   1 +
 libavfilter/allfilters.c    |   1 +
 libavfilter/vf_vaapi_conv.c | 537 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 541 insertions(+)
 create mode 100644 libavfilter/vf_vaapi_conv.c

diff --git a/configure b/configure
index f30ddab..a068d05 100755
--- a/configure
+++ b/configure
@@ -2920,6 +2920,7 @@ stereo3d_filter_deps="gpl"
 subtitles_filter_deps="avformat avcodec libass"
 super2xsai_filter_deps="gpl"
 tinterlace_filter_deps="gpl"
+vaapi_conv_filter_deps="vaapi_recent VAProcPipelineParameterBuffer"
 vidstabdetect_filter_deps="libvidstab"
 vidstabtransform_filter_deps="libvidstab"
 pixfmts_super2xsai_test_deps="super2xsai_filter"
@@ -5362,6 +5363,7 @@ check_type "va/va.h" "VAPictureParameterBufferHEVC"
 check_type "va/va.h" "VADecPictureParameterBufferVP9"
 check_type "va/va.h" "VAEncPictureParameterBufferH264"
 check_type "va/va.h" "VAEncPictureParameterBufferHEVC"
+check_type "va/va.h" "VAProcPipelineParameterBuffer"

 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index b93e5f2..c8ed7c8 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -248,6 +248,7 @@ OBJS-$(CONFIG_TRANSPOSE_FILTER)              += vf_transpose.o
 OBJS-$(CONFIG_TRIM_FILTER)                   += trim.o
 OBJS-$(CONFIG_UNSHARP_FILTER)                += vf_unsharp.o
 OBJS-$(CONFIG_USPP_FILTER)                   += vf_uspp.o
+OBJS-$(CONFIG_VAAPI_CONV_FILTER)             += vf_vaapi_conv.o
 OBJS-$(CONFIG_VECTORSCOPE_FILTER)            += vf_vectorscope.o
 OBJS-$(CONFIG_VFLIP_FILTER)                  += vf_vflip.o
 OBJS-$(CONFIG_VIDSTABDETECT_FILTER)          += vidstabutils.o vf_vidstabdetect.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 1d48970..12e3859 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -268,6 +268,7 @@ void avfilter_register_all(void)
     REGISTER_FILTER(TRIM,           trim,           vf);
     REGISTER_FILTER(UNSHARP,        unsharp,        vf);
     REGISTER_FILTER(USPP,           uspp,           vf);
+    REGISTER_FILTER(VAAPI_CONV,     vaapi_conv,     vf);
     REGISTER_FILTER(VECTORSCOPE,    vectorscope,    vf);
     REGISTER_FILTER(VFLIP,          vflip,          vf);
     REGISTER_FILTER(VIDSTABDETECT,  vidstabdetect,  vf);
diff --git a/libavfilter/vf_vaapi_conv.c b/libavfilter/vf_vaapi_conv.c
new file mode 100644
index 0000000..c8034e7
--- /dev/null
+++ b/libavfilter/vf_vaapi_conv.c
@@ -0,0 +1,537 @@
+/*
+ * VAAPI converter (scaling and colour conversion).
+ *
+ * Copyright (C) 2016 Mark Thompson <mrt at jkqxz.net>
+ *
+ * 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 "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/vaapi.h"
+
+#include <va/va_vpp.h>
+
+typedef struct VAAPIConvContext {
+    const AVClass *class;
+
+    AVVAAPIHardwareContext *hardware_context;
+    AVVAAPIPipelineConfig  pipeline_config;
+    AVVAAPIPipelineContext pipeline;
+    int pipeline_initialised;
+
+    int input_is_vaapi;
+    AVVAAPISurfaceConfig input_config;
+    AVVAAPISurfacePool   input_pool;
+    AVVAAPISurfaceConfig output_config;
+    AVVAAPISurfacePool   output_pool;
+
+    int output_width;
+    int output_height;
+
+    struct {
+        int64_t hardware_context;
+        int output_size[2];
+    } options;
+
+} VAAPIConvContext;
+
+
+static int vaapi_conv_query_formats(AVFilterContext *avctx)
+{
+    VAAPIConvContext *ctx = avctx->priv;
+    VAStatus vas;
+    VAConfigAttrib rt_format = {
+        .type = VAConfigAttribRTFormat
+    };
+    enum AVPixelFormat pix_fmt_list[16] = {
+        AV_PIX_FMT_VAAPI,
+    };
+    int pix_fmt_count = 1, err;
+
+#if 0
+    // The Intel driver doesn't return anything useful here - it only
+    // declares support for YUV 4:2:0 formats, despite working perfectly
+    // with 32-bit RGB ones.  Given another usable platform, this will
+    // need to be updated.
+    vas = vaGetConfigAttributes(ctx->hardware_context->display,
+                                VAProfileNone, VAEntrypointVideoProc,
+                                &rt_format, 1);
+#else
+    vas = VA_STATUS_SUCCESS;
+    rt_format.value = VA_RT_FORMAT_YUV420 | VA_RT_FORMAT_RGB32;
+#endif
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to get config attributes: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+    } else {
+        if(rt_format.value & VA_RT_FORMAT_YUV420) {
+            av_log(ctx, AV_LOG_DEBUG, "YUV420 formats supported.\n");
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV420P;
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_NV12;
+        }
+        if(rt_format.value & VA_RT_FORMAT_YUV422) {
+            av_log(ctx, AV_LOG_DEBUG, "YUV422 formats supported.\n");
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV422P;
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUYV422;
+        }
+        if(rt_format.value & VA_RT_FORMAT_YUV444) {
+            av_log(ctx, AV_LOG_DEBUG, "YUV444 formats supported.\n");
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV444P;
+        }
+        if(rt_format.value & VA_RT_FORMAT_YUV400) {
+            av_log(ctx, AV_LOG_DEBUG, "Grayscale formats supported.\n");
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_GRAY8;
+        }
+        if(rt_format.value & VA_RT_FORMAT_RGB32) {
+            av_log(ctx, AV_LOG_DEBUG, "RGB32 formats supported.\n");
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_RGBA;
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_BGRA;
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_RGB0;
+            pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_BGR0;
+        }
+    }
+
+    pix_fmt_list[pix_fmt_count] = AV_PIX_FMT_NONE;
+
+    if(avctx->inputs[0]) {
+        err = ff_formats_ref(ff_make_format_list(pix_fmt_list),
+                             &avctx->inputs[0]->out_formats);
+        if(err < 0)
+            return err;
+    }
+
+    if(avctx->outputs[0]) {
+        // Truncate the list: no support for normal output yet.
+        pix_fmt_list[1] = AV_PIX_FMT_NONE;
+
+        err = ff_formats_ref(ff_make_format_list(pix_fmt_list),
+                             &avctx->outputs[0]->in_formats);
+        if(err < 0)
+            return err;
+    }
+
+    return 0;
+}
+
+static int vaapi_conv_config_pipeline(VAAPIConvContext *ctx)
+{
+    AVVAAPIPipelineConfig *config = &ctx->pipeline_config;
+    int err;
+
+    if(ctx->pipeline_initialised) {
+        av_log(ctx, AV_LOG_ERROR, "Pipeline reinitialisation not supported");
+        return AVERROR(EINVAL);
+    }
+
+    config->profile = VAProfileNone;
+    config->entrypoint = VAEntrypointVideoProc;
+
+    config->attribute_count = 0;
+
+    av_vaapi_lock_hardware_context(ctx->hardware_context);
+
+    err = av_vaapi_pipeline_init(&ctx->pipeline, ctx->hardware_context,
+                                 &ctx->pipeline_config, &ctx->output_pool);
+    if(err) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to create video processing "
+               "pipeline: " "%d (%s).\n", err, av_err2str(err));
+    }
+
+    av_vaapi_unlock_hardware_context(ctx->hardware_context);
+
+    ctx->pipeline_initialised = 1;
+
+    return err;
+}
+
+static int vaapi_conv_config_input(AVFilterLink *inlink)
+{
+    AVFilterContext *avctx = inlink->dst;
+    VAAPIConvContext *ctx = avctx->priv;
+    AVVAAPISurfaceConfig *config = &ctx->input_config;
+    int err;
+
+    if(inlink->format == AV_PIX_FMT_VAAPI) {
+        av_log(ctx, AV_LOG_DEBUG, "Input is VAAPI (using incoming surfaces).\n");
+        ctx->input_is_vaapi = 1;
+        return 0;
+    }
+    ctx->input_is_vaapi = 0;
+
+    config->rt_format = VA_RT_FORMAT_YUV420;
+    config->av_format = AV_PIX_FMT_VAAPI;
+
+    switch(inlink->format) {
+    case AV_PIX_FMT_BGR0:
+    case AV_PIX_FMT_BGRA:
+        config->image_format.fourcc     = VA_FOURCC_BGRX;
+        config->image_format.byte_order = VA_LSB_FIRST;
+        config->image_format.bits_per_pixel = 32;
+        config->image_format.depth      = 8;
+        config->image_format.red_mask   = 0x00ff0000;
+        config->image_format.green_mask = 0x0000ff00;
+        config->image_format.blue_mask  = 0x000000ff;
+        config->image_format.alpha_mask = 0x00000000;
+        break;
+
+    case AV_PIX_FMT_RGB0:
+    case AV_PIX_FMT_RGBA:
+        config->image_format.fourcc     = VA_FOURCC_RGBX;
+        config->image_format.byte_order = VA_LSB_FIRST;
+        config->image_format.bits_per_pixel = 32;
+        config->image_format.depth      = 8;
+        config->image_format.red_mask   = 0x000000ff;
+        config->image_format.green_mask = 0x0000ff00;
+        config->image_format.blue_mask  = 0x00ff0000;
+        config->image_format.alpha_mask = 0x00000000;
+        break;
+
+    case AV_PIX_FMT_NV12:
+        config->image_format.fourcc = VA_FOURCC_NV12;
+        config->image_format.bits_per_pixel = 12;
+        break;
+    case AV_PIX_FMT_YUV420P:
+        config->image_format.fourcc = VA_FOURCC_YV12;
+        config->image_format.bits_per_pixel = 12;
+        break;
+
+    default:
+        av_log(ctx, AV_LOG_ERROR, "Tried to configure with invalid input "
+               "format %s.\n", av_get_pix_fmt_name(inlink->format));
+        return AVERROR(EINVAL);
+    }
+
+    config->width  = inlink->w;
+    config->height = inlink->h;
+
+    config->attribute_count = 0;
+
+    err = av_vaapi_surface_pool_init(&ctx->input_pool,
+                                     ctx->hardware_context, config, 4);
+    if(err) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to create input surface pool: "
+               "%d (%s).\n", err, av_err2str(err));
+        return err;
+    }
+
+    if(ctx->output_width == 0)
+        ctx->output_width = inlink->w;
+    if(ctx->output_height == 0)
+        ctx->output_height = inlink->h;
+
+    return 0;
+}
+
+static int vaapi_conv_config_output(AVFilterLink *outlink)
+{
+    AVFilterContext *avctx = outlink->src;
+    VAAPIConvContext *ctx = avctx->priv;
+    AVVAAPISurfaceConfig *config = &ctx->output_config;
+    int err;
+
+    av_assert0(outlink->format == AV_PIX_FMT_VAAPI);
+    outlink->w = ctx->output_width;
+    outlink->h = ctx->output_height;
+
+    config->rt_format = VA_RT_FORMAT_YUV420;
+    config->av_format = AV_PIX_FMT_VAAPI;
+
+    config->image_format.fourcc = VA_FOURCC_NV12;
+    config->image_format.bits_per_pixel = 12;
+
+    config->width  = outlink->w;
+    config->height = outlink->h;
+
+    config->attribute_count = 0;
+
+    err = av_vaapi_surface_pool_init(&ctx->output_pool,
+                                     ctx->hardware_context, config, 4);
+    if(err) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to create output surface pool: "
+               "%d (%s).\n", err, av_err2str(err));
+        return err;
+    }
+
+    return vaapi_conv_config_pipeline(ctx);
+}
+
+static int vaapi_proc_colour_standard(enum AVColorSpace av_cs)
+{
+    switch(av_cs) {
+#define CS(av, va) case AVCOL_SPC_ ## av: return VAProcColorStandard ## va;
+        CS(BT709,     BT709);
+        CS(BT470BG,   BT601);
+        CS(SMPTE170M, SMPTE170M);
+        CS(SMPTE240M, SMPTE240M);
+#undef CS
+    default:
+        return VAProcColorStandardNone;
+    }
+}
+
+static int vaapi_conv_filter_frame(AVFilterLink *inlink, AVFrame *pic)
+{
+    AVFilterContext *avctx = inlink->dst;
+    AVFilterLink *outlink = avctx->outputs[0];
+    VAAPIConvContext *ctx = avctx->priv;
+    AVFrame *input_image, *output_image;
+    VASurfaceID input_surface, output_surface;
+    VAProcPipelineParameterBuffer params;
+    VABufferID params_id;
+    VAStatus vas;
+    int err;
+
+    av_log(ctx, AV_LOG_DEBUG, "Filter frame: %s, %ux%u.\n",
+           av_get_pix_fmt_name(pic->format), pic->width, pic->height);
+
+    av_vaapi_lock_hardware_context(ctx->hardware_context);
+
+    if(pic->format == AV_PIX_FMT_VAAPI) {
+        input_image = 0;
+        input_surface = (VASurfaceID)pic->data[3];
+
+    } else {
+        input_image = av_frame_alloc();
+        if(!input_image) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to allocate input frame.");
+            err = AVERROR(ENOMEM);
+            goto fail;
+        }
+
+        err = av_vaapi_surface_pool_get(&ctx->input_pool, input_image);
+        if(err) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to allocate input frame "
+                   "from surface pool: %d (%s).\n", err, av_err2str(err));
+            goto fail;
+        }
+
+        input_image->format = AV_PIX_FMT_VAAPI;
+        input_image->width  = pic->width;
+        input_image->height = pic->height;
+
+        err = av_vaapi_copy_to_surface(input_image, pic);
+        if(err) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to copy to input surface: "
+                   "%d (%s).\n", err, av_err2str(err));
+            goto fail;
+        }
+
+        input_surface = (VASurfaceID)input_image->data[3];
+    }
+    av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for input image.\n",
+           input_surface);
+
+    output_image = av_frame_alloc();
+    if(!output_image) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to allocate output frame.");
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    av_frame_copy_props(output_image, pic);
+
+    err = av_vaapi_surface_pool_get(&ctx->output_pool, output_image);
+    if(err) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to allocate output frame "
+               "from surface pool: %d (%s).\n", err, av_err2str(err));
+        goto fail;
+    }
+
+    output_surface = (VASurfaceID)output_image->data[3];
+    av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for output image.\n",
+           output_surface);
+
+    memset(&params, 0, sizeof(params));
+
+    params.surface = input_surface;
+    params.surface_region = 0;
+    params.surface_color_standard =
+        vaapi_proc_colour_standard(pic->colorspace);
+
+    params.output_region = 0;
+    params.output_background_color = 0xff000000;
+    params.output_color_standard = params.surface_color_standard;
+
+    params.pipeline_flags = 0;
+    params.filter_flags = VA_FILTER_SCALING_HQ;
+
+    vas = vaBeginPicture(ctx->hardware_context->display,
+                         ctx->pipeline.context_id, output_surface);
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to attach new picture: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR_EXTERNAL;
+        goto fail;
+    }
+
+    vas = vaCreateBuffer(ctx->hardware_context->display,
+                         ctx->pipeline.context_id,
+                         VAProcPipelineParameterBufferType,
+                         sizeof(params), 1, &params, &params_id);
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR_EXTERNAL;
+        goto fail;
+    }
+    av_log(ctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
+           params_id);
+
+    vas = vaRenderPicture(ctx->hardware_context->display,
+                          ctx->pipeline.context_id, &params_id, 1);
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to render parameter buffer: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR_EXTERNAL;
+        goto fail;
+    }
+
+    vas = vaEndPicture(ctx->hardware_context->display,
+                       ctx->pipeline.context_id);
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to start picture processing: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR_EXTERNAL;
+        goto fail;
+    }
+
+    vas = vaSyncSurface(ctx->hardware_context->display, output_surface);
+    if(vas != VA_STATUS_SUCCESS) {
+        av_log(ctx, AV_LOG_ERROR, "Failed to sync picture completion: "
+               "%d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR_EXTERNAL;
+        goto fail;
+    }
+
+    av_frame_free(&input_image);
+    if(pic->format != AV_PIX_FMT_VAAPI)
+        av_frame_free(&pic);
+
+    av_vaapi_unlock_hardware_context(ctx->hardware_context);
+
+    return ff_filter_frame(outlink, output_image);
+
+  fail:
+    av_vaapi_unlock_hardware_context(ctx->hardware_context);
+    return err;
+}
+
+static av_cold int vaapi_conv_init(AVFilterContext *avctx)
+{
+    VAAPIConvContext *ctx = avctx->priv;
+
+    if(ctx->options.hardware_context == 0) {
+        av_log(ctx, AV_LOG_ERROR, "VAAPI encode requires hardware context.\n");
+        return AVERROR(EINVAL);
+    }
+    ctx->hardware_context =
+        (AVVAAPIHardwareContext*)ctx->options.hardware_context;
+
+    ctx->output_width  = ctx->options.output_size[0];
+    ctx->output_height = ctx->options.output_size[1];
+
+    return 0;
+}
+
+static av_cold void vaapi_conv_uninit(AVFilterContext *avctx)
+{
+    VAAPIConvContext *ctx = avctx->priv;
+    int err;
+
+    if(ctx->pipeline_initialised) {
+        av_vaapi_lock_hardware_context(ctx->hardware_context);
+
+        err = av_vaapi_pipeline_uninit(&ctx->pipeline);
+        if(err) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to uninitialise video "
+                   "processing pipeline: %d (%s).\n", err, av_err2str(err));
+        }
+
+        err = av_vaapi_surface_pool_uninit(&ctx->output_pool);
+        if(err) {
+            av_log(ctx, AV_LOG_ERROR, "Failed to uninitialise output "
+                   "surface pool: %d (%s).\n", err, av_err2str(err));
+        }
+
+        if(!ctx->input_is_vaapi) {
+            err = av_vaapi_surface_pool_uninit(&ctx->input_pool);
+            if(err) {
+                av_log(ctx, AV_LOG_ERROR, "Failed to uninitialise input "
+                       "surface pool: %d (%s).\n", err, av_err2str(err));
+            }
+        }
+
+        av_vaapi_unlock_hardware_context(ctx->hardware_context);
+    }
+}
+
+
+#define OFFSET(member) offsetof(VAAPIConvContext, options.member)
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
+static const AVOption vaapi_conv_options[] = {
+    { "hardware_context", "VAAPI hardware context",
+      OFFSET(hardware_context), AV_OPT_TYPE_INT64,
+      { .i64 = 0 }, INT64_MIN, INT64_MAX, AV_OPT_FLAG_VIDEO_PARAM },
+    { "size", "Set output size",
+      OFFSET(output_size), AV_OPT_TYPE_IMAGE_SIZE,
+      { 0 }, 0, 0, FLAGS },
+    { 0 },
+};
+
+static const AVClass vaapi_conv_class = {
+    .class_name = "VAAPI/conv",
+    .item_name  = av_default_item_name,
+    .option     = vaapi_conv_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad vaapi_conv_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = &vaapi_conv_filter_frame,
+        .config_props = &vaapi_conv_config_input,
+    },
+    { 0 }
+};
+
+static const AVFilterPad vaapi_conv_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+        .config_props = &vaapi_conv_config_output,
+    },
+    { 0 }
+};
+
+AVFilter ff_vf_vaapi_conv = {
+    .name          = "vaapi_conv",
+    .description   = NULL_IF_CONFIG_SMALL("Convert to/from VAAPI surfaces."),
+    .priv_size     = sizeof(VAAPIConvContext),
+    .init          = &vaapi_conv_init,
+    .uninit        = &vaapi_conv_uninit,
+    .query_formats = &vaapi_conv_query_formats,
+    .inputs        = vaapi_conv_inputs,
+    .outputs       = vaapi_conv_outputs,
+    .priv_class    = &vaapi_conv_class,
+};
-- 
2.6.4




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