mirror of https://git.ffmpeg.org/ffmpeg.git
254 lines
7.3 KiB
C
254 lines
7.3 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Hardware accelerated hstack, vstack and xstack filters based on VA-API
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*/
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#include "config_components.h"
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#include "libavutil/opt.h"
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#include "libavutil/common.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/eval.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/avstring.h"
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#include "libavutil/avassert.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/mem.h"
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#include "internal.h"
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#include "filters.h"
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#include "formats.h"
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#include "video.h"
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#include "framesync.h"
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#include "vaapi_vpp.h"
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#define HSTACK_NAME "hstack_vaapi"
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#define VSTACK_NAME "vstack_vaapi"
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#define XSTACK_NAME "xstack_vaapi"
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#define HWContext VAAPIVPPContext
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#define StackHWContext StackVAAPIContext
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#include "stack_internal.h"
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typedef struct StackVAAPIContext {
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StackBaseContext base;
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VARectangle *rects;
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} StackVAAPIContext;
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static int process_frame(FFFrameSync *fs)
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{
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AVFilterContext *avctx = fs->parent;
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AVFilterLink *outlink = avctx->outputs[0];
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StackVAAPIContext *sctx = fs->opaque;
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VAAPIVPPContext *vppctx = fs->opaque;
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AVFrame *oframe, *iframe;
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VAProcPipelineParameterBuffer *params = NULL;
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VARectangle *irect = NULL;
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int ret = 0;
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if (vppctx->va_context == VA_INVALID_ID)
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return AVERROR(EINVAL);
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oframe = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!oframe)
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return AVERROR(ENOMEM);
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irect = av_calloc(avctx->nb_inputs, sizeof(*irect));
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params = av_calloc(avctx->nb_inputs, sizeof(*params));
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if (!irect || !params) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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for (int i = 0; i < avctx->nb_inputs; i++) {
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ret = ff_framesync_get_frame(fs, i, &iframe, 0);
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if (ret)
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goto fail;
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if (i == 0) {
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ret = av_frame_copy_props(oframe, iframe);
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if (ret < 0)
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goto fail;
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}
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ret = ff_vaapi_vpp_init_params(avctx, ¶ms[i], iframe, oframe);
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if (ret)
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goto fail;
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av_log(avctx, AV_LOG_DEBUG, "stack input %d: %s, %ux%u (%"PRId64").\n",
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i, av_get_pix_fmt_name(iframe->format),
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iframe->width, iframe->height, iframe->pts);
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irect[i].x = 0;
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irect[i].y = 0;
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irect[i].width = iframe->width;
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irect[i].height = iframe->height;
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params[i].surface_region = &irect[i];
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params[i].surface = (VASurfaceID)(uintptr_t)iframe->data[3];
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params[i].output_region = &sctx->rects[i];
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if (sctx->base.fillcolor_enable)
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params[i].output_background_color = (sctx->base.fillcolor[3] << 24 |
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sctx->base.fillcolor[0] << 16 |
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sctx->base.fillcolor[1] << 8 |
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sctx->base.fillcolor[2]);
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}
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oframe->pts = av_rescale_q(sctx->base.fs.pts, sctx->base.fs.time_base, outlink->time_base);
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oframe->sample_aspect_ratio = outlink->sample_aspect_ratio;
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ret = ff_vaapi_vpp_render_pictures(avctx, params, avctx->nb_inputs, oframe);
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if (ret)
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goto fail;
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av_freep(&irect);
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av_freep(¶ms);
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return ff_filter_frame(outlink, oframe);
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fail:
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av_freep(&irect);
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av_freep(¶ms);
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av_frame_free(&oframe);
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return ret;
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}
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static int config_output(AVFilterLink *outlink)
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{
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AVFilterContext *avctx = outlink->src;
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StackVAAPIContext *sctx = avctx->priv;
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VAAPIVPPContext *vppctx = avctx->priv;
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AVFilterLink *inlink0 = avctx->inputs[0];
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AVHWFramesContext *hwfc0 = NULL;
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int ret;
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if (inlink0->format != AV_PIX_FMT_VAAPI || !inlink0->hw_frames_ctx || !inlink0->hw_frames_ctx->data) {
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av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n");
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return AVERROR(EINVAL);
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}
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hwfc0 = (AVHWFramesContext *)inlink0->hw_frames_ctx->data;
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for (int i = 1; i < sctx->base.nb_inputs; i++) {
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AVFilterLink *inlink = avctx->inputs[i];
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AVHWFramesContext *hwfc = NULL;
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if (inlink->format != AV_PIX_FMT_VAAPI || !inlink->hw_frames_ctx || !inlink->hw_frames_ctx->data) {
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av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n");
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return AVERROR(EINVAL);
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}
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hwfc = (AVHWFramesContext *)inlink->hw_frames_ctx->data;
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if (hwfc0->sw_format != hwfc->sw_format) {
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av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying software pixel format.\n");
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return AVERROR(EINVAL);
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}
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if (hwfc0->device_ctx != hwfc->device_ctx) {
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av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying vaapi devices.\n");
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return AVERROR(EINVAL);
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}
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}
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ff_vaapi_vpp_config_input(inlink0);
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vppctx->output_format = hwfc0->sw_format;
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ret = config_comm_output(outlink);
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if (ret < 0)
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return ret;
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for (int i = 0; i < sctx->base.nb_inputs; i++) {
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sctx->rects[i].x = sctx->base.regions[i].x;
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sctx->rects[i].y = sctx->base.regions[i].y;
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sctx->rects[i].width = sctx->base.regions[i].width;
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sctx->rects[i].height = sctx->base.regions[i].height;
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}
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vppctx->output_width = outlink->w;
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vppctx->output_height = outlink->h;
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return ff_vaapi_vpp_config_output(outlink);
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}
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static int vaapi_stack_init(AVFilterContext *avctx)
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{
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StackVAAPIContext *sctx = avctx->priv;
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VAAPIVPPContext *vppctx = avctx->priv;
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int ret;
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ret = stack_init(avctx);
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if (ret)
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return ret;
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/* stack region */
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sctx->rects = av_calloc(sctx->base.nb_inputs, sizeof(*sctx->rects));
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if (!sctx->rects)
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return AVERROR(ENOMEM);
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ff_vaapi_vpp_ctx_init(avctx);
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vppctx->output_format = AV_PIX_FMT_NONE;
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return 0;
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}
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static av_cold void vaapi_stack_uninit(AVFilterContext *avctx)
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{
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StackVAAPIContext *sctx = avctx->priv;
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stack_uninit(avctx);
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av_freep(&sctx->rects);
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}
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static int vaapi_stack_query_formats(AVFilterContext *avctx)
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{
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static const enum AVPixelFormat pixel_formats[] = {
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AV_PIX_FMT_VAAPI,
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AV_PIX_FMT_NONE,
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};
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return ff_set_common_formats_from_list(avctx, pixel_formats);
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}
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#include "stack_internal.c"
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#if CONFIG_HSTACK_VAAPI_FILTER
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DEFINE_HSTACK_OPTIONS(vaapi);
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DEFINE_STACK_FILTER(hstack, vaapi, "VA-API", 0);
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#endif
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#if CONFIG_VSTACK_VAAPI_FILTER
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DEFINE_VSTACK_OPTIONS(vaapi);
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DEFINE_STACK_FILTER(vstack, vaapi, "VA-API", 0);
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#endif
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#if CONFIG_XSTACK_VAAPI_FILTER
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DEFINE_XSTACK_OPTIONS(vaapi);
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DEFINE_STACK_FILTER(xstack, vaapi, "VA-API", 0);
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#endif
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