vf_tonemap_vaapi.c

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/*
 * 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/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/mastering_display_metadata.h"
 
#include "avfilter.h"
#include "filters.h"
#include "vaapi_vpp.h"
#include "video.h"
 
typedef struct HDRVAAPIContext {
    VAAPIVPPContext vpp_ctx; // must be the first field
 
    char *output_format_string;
 
    char *color_primaries_string;
    char *color_transfer_string;
    char *color_matrix_string;
 
    enum AVColorPrimaries color_primaries;
    enum AVColorTransferCharacteristic color_transfer;
    enum AVColorSpace color_matrix;
 
    char *mastering_display;
    char *content_light;
 
    VAHdrMetaDataHDR10  in_metadata;
    VAHdrMetaDataHDR10  out_metadata;
 
    AVFrameSideData    *src_display;
    AVFrameSideData    *src_light;
} HDRVAAPIContext;
 
static int tonemap_vaapi_save_metadata(AVFilterContext *avctx, AVFrame *input_frame)
{
    HDRVAAPIContext *ctx = avctx->priv;
    AVMasteringDisplayMetadata *hdr_meta;
    AVContentLightMetadata *light_meta;
 
    if (input_frame->color_trc != AVCOL_TRC_SMPTE2084) {
        av_log(avctx, AV_LOG_WARNING, "Only support HDR10 as input for vaapi tone-mapping\n");
    }
 
    ctx->src_display = av_frame_get_side_data(input_frame,
                                              AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
    if (ctx->src_display) {
        hdr_meta = (AVMasteringDisplayMetadata *)ctx->src_display->data;
        if (!hdr_meta) {
            av_log(avctx, AV_LOG_ERROR, "No mastering display data\n");
            return AVERROR(EINVAL);
        }
 
        if (hdr_meta->has_luminance) {
            const int luma_den = 10000;
            ctx->in_metadata.max_display_mastering_luminance =
                lrint(luma_den * av_q2d(hdr_meta->max_luminance));
            ctx->in_metadata.min_display_mastering_luminance =
                FFMIN(lrint(luma_den * av_q2d(hdr_meta->min_luminance)),
                      ctx->in_metadata.max_display_mastering_luminance);
 
            av_log(avctx, AV_LOG_DEBUG,
                   "Mastering Display Metadata(in luminance):\n");
            av_log(avctx, AV_LOG_DEBUG,
                   "min_luminance=%u, max_luminance=%u\n",
                   ctx->in_metadata.min_display_mastering_luminance,
                   ctx->in_metadata.max_display_mastering_luminance);
        }
 
        if (hdr_meta->has_primaries) {
            int i;
            const int mapping[3] = {1, 2, 0};  //green, blue, red
            const int chroma_den = 50000;
 
            for (i = 0; i < 3; i++) {
                const int j = mapping[i];
                ctx->in_metadata.display_primaries_x[i] =
                    FFMIN(lrint(chroma_den *
                                av_q2d(hdr_meta->display_primaries[j][0])),
                          chroma_den);
                ctx->in_metadata.display_primaries_y[i] =
                    FFMIN(lrint(chroma_den *
                                av_q2d(hdr_meta->display_primaries[j][1])),
                          chroma_den);
            }
 
            ctx->in_metadata.white_point_x =
                FFMIN(lrint(chroma_den * av_q2d(hdr_meta->white_point[0])),
                      chroma_den);
            ctx->in_metadata.white_point_y =
                FFMIN(lrint(chroma_den * av_q2d(hdr_meta->white_point[1])),
                      chroma_den);
 
            av_log(avctx, AV_LOG_DEBUG,
                   "Mastering Display Metadata(in primaries):\n");
            av_log(avctx, AV_LOG_DEBUG,
                   "G(%u,%u) B(%u,%u) R(%u,%u) WP(%u,%u)\n",
                   ctx->in_metadata.display_primaries_x[0],
                   ctx->in_metadata.display_primaries_y[0],
                   ctx->in_metadata.display_primaries_x[1],
                   ctx->in_metadata.display_primaries_y[1],
                   ctx->in_metadata.display_primaries_x[2],
                   ctx->in_metadata.display_primaries_y[2],
                   ctx->in_metadata.white_point_x,
                   ctx->in_metadata.white_point_y);
        }
    } else {
        av_log(avctx, AV_LOG_ERROR, "No mastering display data from input\n");
        return AVERROR(EINVAL);
    }
 
    ctx->src_light = av_frame_get_side_data(input_frame,
                                            AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
    if (ctx->src_light) {
        light_meta = (AVContentLightMetadata *)ctx->src_light->data;
        if (!light_meta) {
            av_log(avctx, AV_LOG_ERROR, "No light metadata\n");
            return AVERROR(EINVAL);
        }
 
        ctx->in_metadata.max_content_light_level = light_meta->MaxCLL;
        ctx->in_metadata.max_pic_average_light_level = light_meta->MaxFALL;
 
        av_log(avctx, AV_LOG_DEBUG,
               "Mastering Content Light Level (in):\n");
        av_log(avctx, AV_LOG_DEBUG,
               "MaxCLL(%u) MaxFALL(%u)\n",
               ctx->in_metadata.max_content_light_level,
               ctx->in_metadata.max_pic_average_light_level);
    } else {
        av_log(avctx, AV_LOG_DEBUG, "No content light level from input\n");
    }
    return 0;
}
 
static int tonemap_vaapi_update_sidedata(AVFilterContext *avctx, AVFrame *output_frame)
{
    HDRVAAPIContext *ctx = avctx->priv;
    AVFrameSideData *metadata;
    AVMasteringDisplayMetadata *hdr_meta;
    AVFrameSideData *metadata_lt;
    AVContentLightMetadata *hdr_meta_lt;
    int i;
    const int mapping[3] = {1, 2, 0};  //green, blue, red
    const int chroma_den = 50000;
    const int luma_den   = 10000;
 
    metadata = av_frame_new_side_data(output_frame,
                                      AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
                                      sizeof(AVMasteringDisplayMetadata));
    if (!metadata)
        return AVERROR(ENOMEM);
 
    hdr_meta = (AVMasteringDisplayMetadata *)metadata->data;
 
    for (i = 0; i < 3; i++) {
        const int j = mapping[i];
        hdr_meta->display_primaries[j][0].num = ctx->out_metadata.display_primaries_x[i];
        hdr_meta->display_primaries[j][0].den = chroma_den;
 
        hdr_meta->display_primaries[j][1].num = ctx->out_metadata.display_primaries_y[i];
        hdr_meta->display_primaries[j][1].den = chroma_den;
    }
 
    hdr_meta->white_point[0].num = ctx->out_metadata.white_point_x;
    hdr_meta->white_point[0].den = chroma_den;
 
    hdr_meta->white_point[1].num = ctx->out_metadata.white_point_y;
    hdr_meta->white_point[1].den = chroma_den;
    hdr_meta->has_primaries = 1;
 
    hdr_meta->max_luminance.num = ctx->out_metadata.max_display_mastering_luminance;
    hdr_meta->max_luminance.den = luma_den;
 
    hdr_meta->min_luminance.num = ctx->out_metadata.min_display_mastering_luminance;
    hdr_meta->min_luminance.den = luma_den;
    hdr_meta->has_luminance = 1;
 
    av_log(avctx, AV_LOG_DEBUG,
           "Mastering display colour volume(out):\n");
    av_log(avctx, AV_LOG_DEBUG,
           "G(%u,%u) B(%u,%u) R(%u,%u) WP(%u,%u)\n",
           ctx->out_metadata.display_primaries_x[0],
           ctx->out_metadata.display_primaries_y[0],
           ctx->out_metadata.display_primaries_x[1],
           ctx->out_metadata.display_primaries_y[1],
           ctx->out_metadata.display_primaries_x[2],
           ctx->out_metadata.display_primaries_y[2],
           ctx->out_metadata.white_point_x,
           ctx->out_metadata.white_point_y);
    av_log(avctx, AV_LOG_DEBUG,
           "max_display_mastering_luminance=%u, min_display_mastering_luminance=%u\n",
           ctx->out_metadata.max_display_mastering_luminance,
           ctx->out_metadata.min_display_mastering_luminance);
 
    metadata_lt = av_frame_new_side_data(output_frame,
                                         AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
                                         sizeof(AVContentLightMetadata));
    if (!metadata_lt)
        return AVERROR(ENOMEM);
 
    hdr_meta_lt = (AVContentLightMetadata *)metadata_lt->data;
 
    hdr_meta_lt->MaxCLL = FFMIN(ctx->out_metadata.max_content_light_level, 65535);
    hdr_meta_lt->MaxFALL = FFMIN(ctx->out_metadata.max_pic_average_light_level, 65535);
 
    av_log(avctx, AV_LOG_DEBUG,
           "Content light level information(out):\n");
    av_log(avctx, AV_LOG_DEBUG,
           "MaxCLL(%u) MaxFALL(%u)\n",
           ctx->out_metadata.max_content_light_level,
           ctx->out_metadata.max_pic_average_light_level);
 
    return 0;
}
 
static int tonemap_vaapi_set_filter_params(AVFilterContext *avctx, AVFrame *input_frame)
{
    VAAPIVPPContext *vpp_ctx   = avctx->priv;
    HDRVAAPIContext *ctx       = avctx->priv;
    VAStatus vas;
    VAProcFilterParameterBufferHDRToneMapping *hdrtm_param;
 
    vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
                      (void**)&hdrtm_param);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Failed to map "
               "buffer (%d): %d (%s).\n",
               vpp_ctx->filter_buffers[0], vas, vaErrorStr(vas));
        return AVERROR(EIO);
    }
 
    memcpy(hdrtm_param->data.metadata, &ctx->in_metadata, sizeof(VAHdrMetaDataHDR10));
 
    vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
               "%d (%s).\n", vas, vaErrorStr(vas));
        return AVERROR(EIO);
    }
 
    return 0;
}
 
static int tonemap_vaapi_build_filter_params(AVFilterContext *avctx)
{
    VAAPIVPPContext *vpp_ctx   = avctx->priv;
    HDRVAAPIContext *ctx       = avctx->priv;
    VAStatus vas;
    VAProcFilterParameterBufferHDRToneMapping hdrtm_param;
    VAProcFilterCapHighDynamicRange hdr_cap[VAProcHighDynamicRangeMetadataTypeCount];
    int num_query_caps;
    int i;
 
    memset(&hdrtm_param, 0, sizeof(hdrtm_param));
    memset(&ctx->in_metadata, 0, sizeof(ctx->in_metadata));
 
    num_query_caps = VAProcHighDynamicRangeMetadataTypeCount;
    vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display,
                                     vpp_ctx->va_context,
                                     VAProcFilterHighDynamicRangeToneMapping,
                                     &hdr_cap, &num_query_caps);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Failed to query HDR caps "
               "context: %d (%s).\n", vas, vaErrorStr(vas));
        return AVERROR(EIO);
    }
 
    for (i = 0; i < num_query_caps; i++) {
        if (hdr_cap[i].metadata_type != VAProcHighDynamicRangeMetadataNone)
            break;
    }
 
    if (i >= num_query_caps) {
        av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support HDR\n");
        return AVERROR(EINVAL);
    }
 
    if (ctx->mastering_display) {
        for (i = 0; i < num_query_caps; i++) {
            if (VA_TONE_MAPPING_HDR_TO_HDR & hdr_cap[i].caps_flag)
                break;
        }
        if (i >= num_query_caps) {
            av_log(avctx, AV_LOG_ERROR,
                   "VAAPI driver doesn't support HDR to HDR\n");
            return AVERROR(EINVAL);
        }
    } else {
        for (i = 0; i < num_query_caps; i++) {
            if (VA_TONE_MAPPING_HDR_TO_SDR & hdr_cap[i].caps_flag)
                break;
        }
        if (i >= num_query_caps) {
            av_log(avctx, AV_LOG_ERROR,
                   "VAAPI driver doesn't support HDR to SDR\n");
            return AVERROR(EINVAL);
        }
    }
 
    hdrtm_param.type = VAProcFilterHighDynamicRangeToneMapping;
    hdrtm_param.data.metadata_type = VAProcHighDynamicRangeMetadataHDR10;
    hdrtm_param.data.metadata      = &ctx->in_metadata;
    hdrtm_param.data.metadata_size = sizeof(VAHdrMetaDataHDR10);
 
    return ff_vaapi_vpp_make_param_buffers(avctx,
                                           VAProcFilterParameterBufferType,
                                           &hdrtm_param, sizeof(hdrtm_param), 1);
}
 
static int tonemap_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
{
    AVFilterContext *avctx     = inlink->dst;
    AVFilterLink *outlink      = avctx->outputs[0];
    VAAPIVPPContext *vpp_ctx   = avctx->priv;
    HDRVAAPIContext *ctx       = avctx->priv;
    AVFrame *output_frame      = NULL;
    VASurfaceID input_surface, output_surface;
 
    VAProcPipelineParameterBuffer params;
    int err;
 
    VAHdrMetaData              out_hdr_metadata;
 
    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){
        av_frame_free(&input_frame);
        return AVERROR(EINVAL);
    }
 
    err = tonemap_vaapi_save_metadata(avctx, input_frame);
    if (err < 0)
        goto fail;
 
    err = tonemap_vaapi_set_filter_params(avctx, input_frame);
    if (err < 0)
        goto fail;
 
    input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
    av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for tonemap 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 tonemap vpp output.\n",
           output_surface);
    memset(&params, 0, sizeof(params));
 
    err = av_frame_copy_props(output_frame, input_frame);
    if (err < 0)
        goto fail;
 
    av_frame_remove_side_data(output_frame, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
    av_frame_remove_side_data(output_frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
 
    if (!ctx->mastering_display) {
        /* Use BT709 by default for HDR to SDR output frame */
        output_frame->color_primaries = AVCOL_PRI_BT709;
        output_frame->color_trc = AVCOL_TRC_BT709;
        output_frame->colorspace = AVCOL_SPC_BT709;
    }
 
    if (ctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
        output_frame->color_primaries = ctx->color_primaries;
 
    if (ctx->color_transfer != AVCOL_TRC_UNSPECIFIED)
        output_frame->color_trc = ctx->color_transfer;
 
    if (ctx->color_matrix != AVCOL_SPC_UNSPECIFIED)
        output_frame->colorspace = ctx->color_matrix;
 
    if (ctx->mastering_display) {
        err = tonemap_vaapi_update_sidedata(avctx, output_frame);
        if (err < 0)
            goto fail;
    }
 
    err = ff_vaapi_vpp_init_params(avctx, &params,
                                   input_frame, output_frame);
    if (err < 0)
        goto fail;
 
    if (ctx->mastering_display) {
        out_hdr_metadata.metadata_type = VAProcHighDynamicRangeMetadataHDR10;
        out_hdr_metadata.metadata      = &ctx->out_metadata;
        out_hdr_metadata.metadata_size = sizeof(VAHdrMetaDataHDR10);
        params.output_hdr_metadata     = &out_hdr_metadata;
    }
 
    if (vpp_ctx->nb_filter_buffers) {
        params.filters = &vpp_ctx->filter_buffers[0];
        params.num_filters = vpp_ctx->nb_filter_buffers;
    }
 
    err = ff_vaapi_vpp_render_picture(avctx, &params, output_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 tonemap_vaapi_init(AVFilterContext *avctx)
{
    VAAPIVPPContext *vpp_ctx = avctx->priv;
    HDRVAAPIContext *ctx     = avctx->priv;
 
    ff_vaapi_vpp_ctx_init(avctx);
    vpp_ctx->build_filter_params = tonemap_vaapi_build_filter_params;
    vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
 
    if (ctx->output_format_string) {
        vpp_ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
    } else {
        if (ctx->mastering_display) {
            vpp_ctx->output_format = AV_PIX_FMT_P010;
            av_log(avctx, AV_LOG_VERBOSE, "Output format not set, use default format P010 for HDR to HDR tone mapping.\n");
        } else {
            vpp_ctx->output_format = AV_PIX_FMT_NV12;
            av_log(avctx, AV_LOG_VERBOSE, "Output format not set, use default format NV12 for HDR to SDR tone mapping.\n");
        }
    }
 
#define STRING_OPTION(var_name, func_name, default_value) do { \
        if (ctx->var_name ## _string) { \
            int var = av_ ## func_name ## _from_name(ctx->var_name ## _string); \
            if (var < 0) { \
                av_log(avctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name); \
                return AVERROR(EINVAL); \
            } \
            ctx->var_name = var; \
        } else { \
            ctx->var_name = default_value; \
        } \
    } while (0)
 
    STRING_OPTION(color_primaries, color_primaries, AVCOL_PRI_UNSPECIFIED);
    STRING_OPTION(color_transfer,  color_transfer,  AVCOL_TRC_UNSPECIFIED);
    STRING_OPTION(color_matrix,    color_space,     AVCOL_SPC_UNSPECIFIED);
 
    if (ctx->mastering_display) {
        if (10 != sscanf(ctx->mastering_display,
                         "%hu %hu|%hu %hu|%hu %hu|%hu %hu|%u %u",
                         &ctx->out_metadata.display_primaries_x[0],
                         &ctx->out_metadata.display_primaries_y[0],
                         &ctx->out_metadata.display_primaries_x[1],
                         &ctx->out_metadata.display_primaries_y[1],
                         &ctx->out_metadata.display_primaries_x[2],
                         &ctx->out_metadata.display_primaries_y[2],
                         &ctx->out_metadata.white_point_x,
                         &ctx->out_metadata.white_point_y,
                         &ctx->out_metadata.min_display_mastering_luminance,
                         &ctx->out_metadata.max_display_mastering_luminance)) {
            av_log(avctx, AV_LOG_ERROR,
                   "Option mastering-display input invalid\n");
            return AVERROR(EINVAL);
        }
 
        if (!ctx->content_light) {
            ctx->out_metadata.max_content_light_level = 0;
            ctx->out_metadata.max_pic_average_light_level = 0;
        } else if (2 != sscanf(ctx->content_light,
                               "%hu %hu",
                               &ctx->out_metadata.max_content_light_level,
                               &ctx->out_metadata.max_pic_average_light_level)) {
            av_log(avctx, AV_LOG_ERROR,
                   "Option content-light input invalid\n");
            return AVERROR(EINVAL);
        }
    }
 
    return 0;
}
 
#define OFFSET(x) offsetof(HDRVAAPIContext, x)
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
static const AVOption tonemap_vaapi_options[] = {
    { "format", "Output pixel format set", OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS, .unit = "format" },
    { "matrix", "Output color matrix coefficient set",
      OFFSET(color_matrix_string), AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "matrix" },
    { "m",      "Output color matrix coefficient set",
      OFFSET(color_matrix_string), AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "matrix" },
    { "primaries", "Output color primaries set",
      OFFSET(color_primaries_string), AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "primaries" },
    { "p",         "Output color primaries set",
      OFFSET(color_primaries_string), AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "primaries" },
    { "transfer", "Output color transfer characteristics set",
      OFFSET(color_transfer_string),  AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "transfer" },
    { "t",        "Output color transfer characteristics set",
      OFFSET(color_transfer_string),  AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS, .unit = "transfer" },
    { "display",  "set mastering display colour volume",
      OFFSET(mastering_display),      AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS },
    { "light",    "set content light level information",
      OFFSET(content_light),          AV_OPT_TYPE_STRING,
      { .str = NULL }, .flags = FLAGS },
    { NULL }
};
 
 
AVFILTER_DEFINE_CLASS(tonemap_vaapi);
 
static const AVFilterPad tonemap_vaapi_inputs[] = {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &tonemap_vaapi_filter_frame,
        .config_props = &ff_vaapi_vpp_config_input,
    },
};
 
static const AVFilterPad tonemap_vaapi_outputs[] = {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_vaapi_vpp_config_output,
    },
};
 
const FFFilter ff_vf_tonemap_vaapi = {
    .p.name         = "tonemap_vaapi",
    .p.description  = NULL_IF_CONFIG_SMALL("VAAPI VPP for tone-mapping"),
    .p.priv_class   = &tonemap_vaapi_class,
    .priv_size      = sizeof(HDRVAAPIContext),
    .init           = &tonemap_vaapi_init,
    .uninit         = &ff_vaapi_vpp_ctx_uninit,
    FILTER_INPUTS(tonemap_vaapi_inputs),
    FILTER_OUTPUTS(tonemap_vaapi_outputs),
    FILTER_QUERY_FUNC2(&ff_vaapi_vpp_query_formats),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};