[FFmpeg-devel] [PATCH v2] avfilter: add overlay vaapi filter
Xiang, Haihao
haihao.xiang at intel.com
Tue Jan 11 10:10:10 EET 2022
On Mon, 2021-11-22 at 15:53 +0800, Fei Wang wrote:
> From: Xinpeng Sun <xinpeng.sun at intel.com>
>
> Overlay one video on the top of another.
>
> It takes two inputs and has one output. The first input is the "main" video on
> which the second input is overlaid. This filter requires same memory layout
> for
> all the inputs.
>
> An example command to use this filter to overlay overlay.mp4 at the top-left
> corner of the main.mp4:
>
> ffmpeg -init_hw_device vaapi=foo:/dev/dri/renderD128 \
> -hwaccel vaapi -hwaccel_device foo -hwaccel_output_format vaapi -c:v h264 -i
> main.mp4 \
> -hwaccel vaapi -hwaccel_device foo -hwaccel_output_format vaapi -c:v h264 -i
> overlay.mp4 \
> -filter_complex "[0:v][1:v]overlay_vaapi=0:0:100:100:0.5[t1]" \
> -map "[t1]" -an -c:v h264_vaapi -y out_vaapi.mp4
>
> Signed-off-by: U. Artie Eoff <ullysses.a.eoff at intel.com>
> Signed-off-by: Xinpeng Sun <xinpeng.sun at intel.com>
> Signed-off-by: Zachary Zhou <zachary.zhou at intel.com>
> Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> ---
> V2 update:
> 1. rebase to master.
>
> Changelog | 1 +
> configure | 2 +
> doc/filters.texi | 51 ++++
> libavfilter/Makefile | 1 +
> libavfilter/allfilters.c | 1 +
> libavfilter/version.h | 2 +-
> libavfilter/vf_overlay_vaapi.c | 423 +++++++++++++++++++++++++++++++++
> 7 files changed, 480 insertions(+), 1 deletion(-)
> create mode 100644 libavfilter/vf_overlay_vaapi.c
>
> diff --git a/Changelog b/Changelog
> index 31a0d5ef5d..4064a17c0b 100644
> --- a/Changelog
> +++ b/Changelog
> @@ -31,6 +31,7 @@ version <next>:
> - varblur video filter
> - huesaturation video filter
> - colorspectrum source video filter
> +- overlay_vaapi filter
>
>
> version 4.4:
> diff --git a/configure b/configure
> index d068b11073..6d377caa1f 100755
> --- a/configure
> +++ b/configure
> @@ -3641,6 +3641,7 @@ openclsrc_filter_deps="opencl"
> overlay_opencl_filter_deps="opencl"
> overlay_qsv_filter_deps="libmfx"
> overlay_qsv_filter_select="qsvvpp"
> +overlay_vaapi_filter_deps="vaapi VAProcPipelineCaps_blend_flags"
> overlay_vulkan_filter_deps="vulkan spirv_compiler"
> owdenoise_filter_deps="gpl"
> pad_opencl_filter_deps="opencl"
> @@ -6801,6 +6802,7 @@ if enabled vaapi; then
> check_struct "va/va.h" "VADecPictureParameterBufferAV1" bit_depth_idx
> check_type "va/va.h va/va_vpp.h"
> "VAProcFilterParameterBufferHDRToneMapping"
> check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags
> + check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" blend_flags
> check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
> check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
> check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
> diff --git a/doc/filters.texi b/doc/filters.texi
> index c3ccaf97c4..cf6ed584de 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -24628,6 +24628,57 @@ To enable compilation of these filters you need to
> configure FFmpeg with
>
> To use vaapi filters, you need to setup the vaapi device correctly. For more
> information, please read @url{https://trac.ffmpeg.org/wiki/Hardware/VAAPI}
>
> + at section overlay_vaapi
> +
> +Overlay one video on the top of another.
> +
> +It takes two inputs and has one output. The first input is the "main" video
> on which the second input is overlaid.
> +This filter requires same memory layout for all the inputs. So, format
> conversion may be needed.
> +
> +The filter accepts the following options:
> +
> + at table @option
> +
> + at item x
> +Set the x coordinate of the overlaid video on the main video.
> +Default value is @code{0}.
> +
> + at item y
> +Set the y coordinate of the overlaid video on the main video.
> +Default value is @code{0}.
> +
> + at item w
> +Set the width of the overlaid video on the main video.
> +Default value is the width of input overlay video.
> +
> + at item h
> +Set the height of the overlaid video on the main video.
> +Default value is the height of input overlay video.
> +
> + at item alpha
> +Set blocking detection thresholds. Allowed range is 0.0 to 1.0, it
> +requires an input video with alpha channel.
> +Default value is @code{0.0}.
> +
> + at end table
> +
> + at subsection Examples
> +
> + at itemize
> + at item
> +Overlay an image LOGO at the top-left corner of the INPUT video. Both inputs
> for this filter are yuv420p format.
> + at example
> +-i INPUT -i LOGO -filter_complex "[0:v]hwupload[a], [1:v]format=yuv420p,
> hwupload[b], [a][b]overlay_vaapi" OUTPUT
> + at end example
> + at item
> +Overlay an image LOGO at the offset (200, 100) from the top-left corner of
> the INPUT video.
> +The inputs have same memory layout for color channels, the overlay has
> additional alpha plane, like INPUT is yuv420p, and the LOGO is yuva420p.
> + at example
> +-i INPUT -i LOGO -filter_complex "[0:v]hwupload[a], [1:v]format=yuva420p,
> hwupload[b], [a][b]overlay_vaapi=x=200:y=100:w=400:h=300:alpha=1.0,
> hwdownload, format=nv12" OUTPUT
> + at end example
> +
> + at end itemize
> +
> @section tonemap_vaapi
>
> Perform HDR(High Dynamic Range) to SDR(Standard Dynamic Range) conversion
> with tone-mapping.
> diff --git a/libavfilter/Makefile b/libavfilter/Makefile
> index 0e27aeeff6..b4f7246382 100644
> --- a/libavfilter/Makefile
> +++ b/libavfilter/Makefile
> @@ -371,6 +371,7 @@ OBJS-$(CONFIG_OVERLAY_CUDA_FILTER) +=
> vf_overlay_cuda.o framesync.o vf
> OBJS-$(CONFIG_OVERLAY_OPENCL_FILTER) += vf_overlay_opencl.o opencl.o
> \
> opencl/overlay.o framesync.o
> OBJS-$(CONFIG_OVERLAY_QSV_FILTER) += vf_overlay_qsv.o framesync.o
> +OBJS-$(CONFIG_OVERLAY_VAAPI_FILTER) += vf_overlay_vaapi.o
> framesync.o vaapi_vpp.o
> OBJS-$(CONFIG_OVERLAY_VULKAN_FILTER) += vf_overlay_vulkan.o vulkan.o
> vulkan_filter.o
> OBJS-$(CONFIG_OWDENOISE_FILTER) += vf_owdenoise.o
> OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o
> diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
> index 4bf17ef292..c78fbdee88 100644
> --- a/libavfilter/allfilters.c
> +++ b/libavfilter/allfilters.c
> @@ -354,6 +354,7 @@ extern const AVFilter ff_vf_oscilloscope;
> extern const AVFilter ff_vf_overlay;
> extern const AVFilter ff_vf_overlay_opencl;
> extern const AVFilter ff_vf_overlay_qsv;
> +extern const AVFilter ff_vf_overlay_vaapi;
> extern const AVFilter ff_vf_overlay_vulkan;
> extern const AVFilter ff_vf_overlay_cuda;
> extern const AVFilter ff_vf_owdenoise;
> diff --git a/libavfilter/version.h b/libavfilter/version.h
> index b9e610ea1f..e0bdcb836d 100644
> --- a/libavfilter/version.h
> +++ b/libavfilter/version.h
> @@ -30,7 +30,7 @@
> #include "libavutil/version.h"
>
> #define LIBAVFILTER_VERSION_MAJOR 8
> -#define LIBAVFILTER_VERSION_MINOR 17
> +#define LIBAVFILTER_VERSION_MINOR 18
> #define LIBAVFILTER_VERSION_MICRO 100
>
>
> diff --git a/libavfilter/vf_overlay_vaapi.c b/libavfilter/vf_overlay_vaapi.c
> new file mode 100644
> index 0000000000..1227a8c4c4
> --- /dev/null
> +++ b/libavfilter/vf_overlay_vaapi.c
> @@ -0,0 +1,423 @@
> +/*
> + * 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 "framesync.h"
> +#include "formats.h"
> +#include "internal.h"
> +#include "vaapi_vpp.h"
> +
> +typedef struct OverlayVAAPIContext {
> + VAAPIVPPContext vpp_ctx; /**< must be the first field */
> + FFFrameSync fs;
> + int overlay_ox;
> + int overlay_oy;
> + int overlay_ow;
> + int overlay_oh;
> + float alpha;
> +} OverlayVAAPIContext;
> +
> +static int overlay_vaapi_query_formats(AVFilterContext *ctx)
> +{
> + int ret;
> + enum {
> + MAIN = 0,
> + OVERLAY = 1,
> + };
> +
> + static const enum AVPixelFormat pix_fmts[] = {
> + AV_PIX_FMT_VAAPI,
> + AV_PIX_FMT_NONE
> + };
> +
> + ret = ff_formats_ref(ff_make_format_list(pix_fmts), &ctx->inputs[MAIN]-
> >outcfg.formats);
> + if (ret < 0)
> + return ret;
> +
> + ret = ff_formats_ref(ff_make_format_list(pix_fmts), &ctx-
> >inputs[OVERLAY]->outcfg.formats);
> + if (ret < 0)
> + return ret;
> +
> + ret = ff_formats_ref(ff_make_format_list(pix_fmts), &ctx->outputs[0]-
> >incfg.formats);
> + if (ret < 0)
> + return ret;
> +
> + return 0;
> +}
> +
> +static int overlay_vaapi_build_filter_params(AVFilterContext *avctx)
> +{
> + VAAPIVPPContext *vpp_ctx = avctx->priv;
> + VAStatus vas;
> + int support_flag;
> + VAProcPipelineCaps pipeline_caps;
> +
> + memset(&pipeline_caps, 0, sizeof(pipeline_caps));
> + vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
> + vpp_ctx->va_context,
> + NULL, 0,
> + &pipeline_caps);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
> + "caps: %d (%s).\n", vas, vaErrorStr(vas));
> + return AVERROR(EIO);
> + }
> +
> + if (!pipeline_caps.blend_flags) {
> + av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support
> overlay\n");
> + return AVERROR(EINVAL);
> + }
> +
> + support_flag = pipeline_caps.blend_flags & VA_BLEND_GLOBAL_ALPHA;
> + if (!support_flag) {
> + av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support global
> alpha blending\n");
> + return AVERROR(EINVAL);
> + }
> +
> + return 0;
> +}
> +
> +static int overlay_vaapi_render_picture(AVFilterContext *avctx,
> + VAProcPipelineParameterBuffer
> *params,
> + VAProcPipelineParameterBuffer
> *subpic_params,
> + AVFrame *output_frame)
> +{
> + VAAPIVPPContext *ctx = avctx->priv;
> + VASurfaceID output_surface;
> + VABufferID params_id;
> + VABufferID subpic_params_id;
> + VAStatus vas;
> + int err = 0;
> +
> + output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
> +
> + vas = vaBeginPicture(ctx->hwctx->display,
> + ctx->va_context, output_surface);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to attach new picture: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail;
> + }
> +
> + vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
> + VAProcPipelineParameterBufferType,
> + sizeof(*params), 1, params, ¶ms_id);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail_after_begin;
> + }
> + av_log(avctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
> + params_id);
> +
> +
> + vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
> + VAProcPipelineParameterBufferType,
> + sizeof(*subpic_params), 1, subpic_params,
> &subpic_params_id);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail_after_begin;
> + }
> + av_log(avctx, AV_LOG_DEBUG, "Pipeline subpic parameter buffer is %#x.\n",
> + subpic_params_id);
> +
> + vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
> + ¶ms_id, 1);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to render parameter buffer: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail_after_begin;
> + }
> +
> + vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
> + &subpic_params_id, 1);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to render subpic parameter
> buffer: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail_after_begin;
> + }
> +
> + vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to start picture processing: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + err = AVERROR(EIO);
> + goto fail_after_render;
> + }
> +
> + if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
> + AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
> + vas = vaDestroyBuffer(ctx->hwctx->display, params_id);
> + if (vas != VA_STATUS_SUCCESS) {
> + av_log(avctx, AV_LOG_ERROR, "Failed to free parameter buffer: "
> + "%d (%s).\n", vas, vaErrorStr(vas));
> + // And ignore.
> + }
> + }
> +
> + return 0;
> +
> + // We want to make sure that if vaBeginPicture has been called, we also
> + // call vaRenderPicture and vaEndPicture. These calls may well fail or
> + // do something else nasty, but once we're in this failure case there
> + // isn't much else we can do.
> +fail_after_begin:
> + vaRenderPicture(ctx->hwctx->display, ctx->va_context, ¶ms_id, 1);
> +fail_after_render:
> + vaEndPicture(ctx->hwctx->display, ctx->va_context);
> +fail:
> + return err;
> +}
> +
> +static int overlay_vaapi_blend(FFFrameSync *fs)
> +{
> + AVFilterContext *avctx = fs->parent;
> + AVFilterLink *outlink = avctx->outputs[0];
> + OverlayVAAPIContext *ctx = avctx->priv;
> + VAAPIVPPContext *vpp_ctx = avctx->priv;
> + AVFrame *input_main, *input_overlay;
> + AVFrame *output;
> + VAProcPipelineParameterBuffer params, subpic_params;
> + VABlendState blend_state; /**< Blend State */
> + VARectangle overlay_region, output_region;
> + int err;
> +
> + err = overlay_vaapi_build_filter_params(avctx);
> + if (err < 0)
> + return err;
> +
> + err = ff_framesync_get_frame(fs, 0, &input_main, 0);
> + if (err < 0)
> + return err;
> + err = ff_framesync_get_frame(fs, 1, &input_overlay, 0);
> + if (err < 0)
> + return err;
> +
> + av_log(avctx, AV_LOG_DEBUG, "Filter main: %s, %ux%u (%"PRId64").\n",
> + av_get_pix_fmt_name(input_main->format),
> + input_main->width, input_main->height, input_main->pts);
> +
> + av_log(avctx, AV_LOG_DEBUG, "Filter overlay: %s, %ux%u (%"PRId64").\n",
> + av_get_pix_fmt_name(input_overlay->format),
> + input_overlay->width, input_overlay->height, input_overlay->pts);
> +
> + if (vpp_ctx->va_context == VA_INVALID_ID)
> + return AVERROR(EINVAL);
> +
> + output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
> + if (!output) {
> + err = AVERROR(ENOMEM);
> + goto fail;
> + }
> +
> + err = av_frame_copy_props(output, input_main);
> + if (err < 0)
> + goto fail;
> +
> + err = ff_vaapi_vpp_init_params(avctx, ¶ms,
> + input_main, output);
> + if (err < 0)
> + goto fail;
> +
> + overlay_region = (VARectangle) {
> + .x = ctx->overlay_ox,
> + .y = ctx->overlay_oy,
> + .width = ctx->overlay_ow ? ctx->overlay_ow : input_overlay->width,
> + .height = ctx->overlay_oh ? ctx->overlay_oh : input_overlay->height,
> + };
> +
> + output_region = (VARectangle) {
> + .x = 0,
> + .y = 0,
> + .width = output->width,
> + .height = output->height,
> + };
> +
> + if (overlay_region.x + overlay_region.width > input_main->width ||
> + overlay_region.y + overlay_region.height > input_main->height) {
> + av_log(ctx, AV_LOG_WARNING,
> + "The overlay image exceeds the scope of the main image, "
> + "will crop the overlay image according based on the main
> image.\n");
> + }
> +
> + params.filters = &vpp_ctx->filter_buffers[0];
> + params.num_filters = vpp_ctx->nb_filter_buffers;
> +
> + params.output_region = &output_region;
> + params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
> +
> + memcpy(&subpic_params, ¶ms, sizeof(subpic_params));
> +
> + blend_state.flags = VA_BLEND_GLOBAL_ALPHA;
> + blend_state.global_alpha = ctx->alpha;
> + subpic_params.blend_state = &blend_state;
> +
> + subpic_params.surface = (VASurfaceID)(uintptr_t)input_overlay->data[3];
> + subpic_params.output_region = &overlay_region;
> +
> + err = overlay_vaapi_render_picture(avctx, ¶ms, &subpic_params,
> output);
> + if (err < 0)
> + goto fail;
> +
> + av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
> + av_get_pix_fmt_name(output->format),
> + output->width, output->height, output->pts);
> +
> + return ff_filter_frame(outlink, output);
> +
> +fail:
> + av_frame_free(&output);
> + return err;
> +}
> +
> +static int overlay_vaapi_init_framesync(AVFilterContext *avctx)
> +{
> + OverlayVAAPIContext *ctx = avctx->priv;
> + int ret, i;
> +
> + ctx->fs.on_event = overlay_vaapi_blend;
> + ctx->fs.opaque = ctx;
> + ret = ff_framesync_init(&ctx->fs, avctx, avctx->nb_inputs);
> + if (ret < 0)
> + return ret;
> +
> + for (i = 0; i < avctx->nb_inputs; i++) {
> + FFFrameSyncIn *in = &ctx->fs.in[i];
> + in->before = EXT_STOP;
> + in->after = EXT_INFINITY;
> + in->sync = i ? 1 : 2;
> + in->time_base = avctx->inputs[i]->time_base;
> + }
> +
> + return ff_framesync_configure(&ctx->fs);
> +}
> +
> +static int overlay_vaapi_config_output(AVFilterLink *outlink)
> +{
> + AVFilterContext *avctx = outlink->src;
> + OverlayVAAPIContext *ctx = avctx->priv;
> + VAAPIVPPContext *vpp_ctx = avctx->priv;
> + int err;
> +
> + err = overlay_vaapi_init_framesync(avctx);
> + if (err < 0)
> + return err;
> +
> + vpp_ctx->output_width = avctx->inputs[0]->w;
> + vpp_ctx->output_height = avctx->inputs[0]->h;
> +
> + err = ff_vaapi_vpp_config_output(outlink);
> + if (err < 0)
> + return err;
> +
> + err = ff_framesync_init_dualinput(&ctx->fs, avctx);
> + if (err < 0)
> + return err;
> +
> + return ff_framesync_configure(&ctx->fs);
> +}
> +
> +static av_cold int overlay_vaapi_init(AVFilterContext *avctx)
> +{
> + VAAPIVPPContext *vpp_ctx = avctx->priv;
> +
> + ff_vaapi_vpp_ctx_init(avctx);
> + vpp_ctx->output_format = AV_PIX_FMT_NONE;
> +
> + return 0;
> +}
> +
> +static int overlay_vaapi_activate(AVFilterContext *avctx)
> +{
> + OverlayVAAPIContext *ctx = avctx->priv;
> +
> + return ff_framesync_activate(&ctx->fs);
> +}
> +
> +static av_cold void overlay_vaapi_uninit(AVFilterContext *avctx)
> +{
> + OverlayVAAPIContext *ctx = avctx->priv;
> +
> + ff_framesync_uninit(&ctx->fs);
> +}
> +
> +#define OFFSET(x) offsetof(OverlayVAAPIContext, x)
> +#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
> +static const AVOption overlay_vaapi_options[] = {
> + { "x", "Overlay x position",
> + OFFSET(overlay_ox), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags =
> FLAGS },
> + { "y", "Overlay y position",
> + OFFSET(overlay_oy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags =
> FLAGS },
> + { "w", "Overlay width",
> + OFFSET(overlay_ow), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags =
> FLAGS },
> + { "h", "Overlay height",
> + OFFSET(overlay_oh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags =
> FLAGS },
> + { "alpha", "Overlay global alpha",
> + OFFSET(alpha), AV_OPT_TYPE_FLOAT, { .dbl = 0.0}, 0.0, 1.0, .flags =
> FLAGS},
> + { NULL },
> +};
> +
> +AVFILTER_DEFINE_CLASS(overlay_vaapi);
> +
> +static const AVFilterPad overlay_vaapi_inputs[] = {
> + {
> + .name = "main",
> + .type = AVMEDIA_TYPE_VIDEO,
> + .get_buffer.video = ff_default_get_video_buffer,
> + .config_props = &ff_vaapi_vpp_config_input,
> + },
> + {
> + .name = "overlay",
> + .type = AVMEDIA_TYPE_VIDEO,
> + .get_buffer.video = ff_default_get_video_buffer,
> + },
> +};
> +
> +static const AVFilterPad overlay_vaapi_outputs[] = {
> + {
> + .name = "default",
> + .type = AVMEDIA_TYPE_VIDEO,
> + .config_props = &overlay_vaapi_config_output,
> + },
> +};
> +
> +AVFilter ff_vf_overlay_vaapi = {
> + .name = "overlay_vaapi",
> + .description = NULL_IF_CONFIG_SMALL("Overlay one video on top of
> another"),
> + .priv_size = sizeof(OverlayVAAPIContext),
> + .priv_class = &overlay_vaapi_class,
> + .init = &overlay_vaapi_init,
> + .uninit = &overlay_vaapi_uninit,
> + .activate = &overlay_vaapi_activate,
> + FILTER_INPUTS(overlay_vaapi_inputs),
> + FILTER_OUTPUTS(overlay_vaapi_outputs),
> + FILTER_QUERY_FUNC(overlay_vaapi_query_formats),
> + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
> +};
LGTM and I will apply it if no objection.
Thanks
Haihao
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