mirror of https://git.ffmpeg.org/ffmpeg.git
430 lines
16 KiB
C
430 lines
16 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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#include <string.h>
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "video.h"
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#include "vaapi_vpp.h"
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#define MAX_REFERENCES 8
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typedef struct DeintVAAPIContext {
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VAAPIVPPContext vpp_ctx; // must be the first field
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int mode;
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int field_rate;
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int auto_enable;
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VAProcFilterCapDeinterlacing
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deint_caps[VAProcDeinterlacingCount];
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int nb_deint_caps;
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VAProcPipelineCaps pipeline_caps;
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int queue_depth;
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int queue_count;
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AVFrame *frame_queue[MAX_REFERENCES];
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int extra_delay_for_timestamps;
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int eof;
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int prev_pts;
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} DeintVAAPIContext;
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static const char *deint_vaapi_mode_name(int mode)
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{
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switch (mode) {
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#define D(name) case VAProcDeinterlacing ## name: return #name
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D(Bob);
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D(Weave);
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D(MotionAdaptive);
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D(MotionCompensated);
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#undef D
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default:
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return "Invalid";
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}
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}
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static void deint_vaapi_pipeline_uninit(AVFilterContext *avctx)
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{
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DeintVAAPIContext *ctx = avctx->priv;
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int i;
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for (i = 0; i < ctx->queue_count; i++)
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av_frame_free(&ctx->frame_queue[i]);
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ctx->queue_count = 0;
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ff_vaapi_vpp_pipeline_uninit(avctx);
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}
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static int deint_vaapi_build_filter_params(AVFilterContext *avctx)
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{
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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DeintVAAPIContext *ctx = avctx->priv;
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VAStatus vas;
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VAProcFilterParameterBufferDeinterlacing params;
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int i;
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ctx->nb_deint_caps = VAProcDeinterlacingCount;
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vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display,
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vpp_ctx->va_context,
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VAProcFilterDeinterlacing,
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&ctx->deint_caps,
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&ctx->nb_deint_caps);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to query deinterlacing "
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"caps: %d (%s).\n", vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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if (ctx->mode == VAProcDeinterlacingNone) {
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for (i = 0; i < ctx->nb_deint_caps; i++) {
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if (ctx->deint_caps[i].type > ctx->mode)
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ctx->mode = ctx->deint_caps[i].type;
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}
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av_log(avctx, AV_LOG_VERBOSE, "Picking %d (%s) as default "
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"deinterlacing mode.\n", ctx->mode,
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deint_vaapi_mode_name(ctx->mode));
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} else {
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for (i = 0; i < ctx->nb_deint_caps; i++) {
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if (ctx->deint_caps[i].type == ctx->mode)
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break;
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}
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if (i >= ctx->nb_deint_caps) {
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av_log(avctx, AV_LOG_ERROR, "Deinterlacing mode %d (%s) is "
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"not supported.\n", ctx->mode,
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deint_vaapi_mode_name(ctx->mode));
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return AVERROR(EINVAL);
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}
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}
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params.type = VAProcFilterDeinterlacing;
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params.algorithm = ctx->mode;
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params.flags = 0;
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vas = ff_vaapi_vpp_make_param_buffers(avctx,
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VAProcFilterParameterBufferType,
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¶ms,
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sizeof(params),
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1);
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if (vas)
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return vas;
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vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
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vpp_ctx->va_context,
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&vpp_ctx->filter_buffers[0], 1,
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&ctx->pipeline_caps);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
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"caps: %d (%s).\n", vas, vaErrorStr(vas));
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return AVERROR(EIO);
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}
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ctx->extra_delay_for_timestamps = ctx->field_rate == 2 &&
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ctx->pipeline_caps.num_backward_references == 0;
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ctx->queue_depth = ctx->pipeline_caps.num_backward_references +
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ctx->pipeline_caps.num_forward_references +
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ctx->extra_delay_for_timestamps + 1;
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if (ctx->queue_depth > MAX_REFERENCES) {
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av_log(avctx, AV_LOG_ERROR, "Pipeline requires too many "
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"references (%u forward, %u back).\n",
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ctx->pipeline_caps.num_forward_references,
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ctx->pipeline_caps.num_backward_references);
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return AVERROR(ENOSYS);
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}
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return 0;
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}
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static int deint_vaapi_config_output(AVFilterLink *outlink)
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{
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AVFilterLink *inlink = outlink->src->inputs[0];
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AVFilterContext *avctx = outlink->src;
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DeintVAAPIContext *ctx = avctx->priv;
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int err;
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err = ff_vaapi_vpp_config_output(outlink);
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if (err < 0)
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return err;
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outlink->time_base = av_mul_q(inlink->time_base,
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(AVRational) { 1, ctx->field_rate });
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outlink->frame_rate = av_mul_q(inlink->frame_rate,
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(AVRational) { ctx->field_rate, 1 });
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return 0;
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}
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static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
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{
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AVFilterContext *avctx = inlink->dst;
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AVFilterLink *outlink = avctx->outputs[0];
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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DeintVAAPIContext *ctx = avctx->priv;
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AVFrame *output_frame = NULL;
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VASurfaceID input_surface;
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VASurfaceID backward_references[MAX_REFERENCES];
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VASurfaceID forward_references[MAX_REFERENCES];
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VAProcPipelineParameterBuffer params;
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VAProcFilterParameterBufferDeinterlacing *filter_params;
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VAStatus vas;
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void *filter_params_addr = NULL;
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int err, i, field, current_frame_index;
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// NULL frame is used to flush the queue in field mode
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if (input_frame)
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av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
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av_get_pix_fmt_name(input_frame->format),
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input_frame->width, input_frame->height, input_frame->pts);
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if (ctx->queue_count < ctx->queue_depth) {
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ctx->frame_queue[ctx->queue_count++] = input_frame;
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if (ctx->queue_count < ctx->queue_depth) {
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// Need more reference surfaces before we can continue.
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return 0;
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}
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} else {
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av_frame_free(&ctx->frame_queue[0]);
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for (i = 0; i + 1 < ctx->queue_count; i++)
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ctx->frame_queue[i] = ctx->frame_queue[i + 1];
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ctx->frame_queue[i] = input_frame;
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}
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current_frame_index = ctx->pipeline_caps.num_forward_references;
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input_frame = ctx->frame_queue[current_frame_index];
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if (!input_frame)
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return 0;
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input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
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for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
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forward_references[i] = (VASurfaceID)(uintptr_t)
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ctx->frame_queue[current_frame_index - i - 1]->data[3];
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for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
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backward_references[i] = (VASurfaceID)(uintptr_t)
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ctx->frame_queue[current_frame_index + i + 1]->data[3];
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av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
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"deinterlace input.\n", input_surface);
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av_log(avctx, AV_LOG_DEBUG, "Backward references:");
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for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
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av_log(avctx, AV_LOG_DEBUG, " %#x", backward_references[i]);
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av_log(avctx, AV_LOG_DEBUG, "\n");
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av_log(avctx, AV_LOG_DEBUG, "Forward references:");
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for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
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av_log(avctx, AV_LOG_DEBUG, " %#x", forward_references[i]);
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av_log(avctx, AV_LOG_DEBUG, "\n");
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for (field = 0; field < ctx->field_rate; field++) {
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output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
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vpp_ctx->output_height);
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if (!output_frame) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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err = av_frame_copy_props(output_frame, input_frame);
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if (err < 0)
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goto fail;
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err = ff_vaapi_vpp_init_params(avctx, ¶ms,
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input_frame, output_frame);
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if (err < 0)
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goto fail;
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if (!ctx->auto_enable || (input_frame->flags & AV_FRAME_FLAG_INTERLACED)) {
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vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
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&filter_params_addr);
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if (vas != VA_STATUS_SUCCESS) {
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av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
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"buffer: %d (%s).\n", vas, vaErrorStr(vas));
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err = AVERROR(EIO);
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goto fail;
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}
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filter_params = filter_params_addr;
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filter_params->flags = 0;
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if (input_frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST) {
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filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
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} else {
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filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
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filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
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}
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filter_params_addr = NULL;
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vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
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if (vas != VA_STATUS_SUCCESS)
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av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
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"buffer: %d (%s).\n", vas, vaErrorStr(vas));
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params.filters = &vpp_ctx->filter_buffers[0];
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params.num_filters = 1;
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params.forward_references = forward_references;
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params.num_forward_references =
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ctx->pipeline_caps.num_forward_references;
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params.backward_references = backward_references;
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params.num_backward_references =
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ctx->pipeline_caps.num_backward_references;
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} else {
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params.filters = NULL;
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params.num_filters = 0;
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}
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err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame);
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if (err < 0)
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goto fail;
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if (ctx->field_rate == 2) {
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if (field == 0)
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output_frame->pts = 2 * input_frame->pts;
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else if (ctx->eof)
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output_frame->pts = 3 * input_frame->pts - ctx->prev_pts;
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else
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output_frame->pts = input_frame->pts +
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ctx->frame_queue[current_frame_index + 1]->pts;
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}
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#if FF_API_INTERLACED_FRAME
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FF_DISABLE_DEPRECATION_WARNINGS
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output_frame->interlaced_frame = 0;
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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output_frame->flags &= ~AV_FRAME_FLAG_INTERLACED;
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av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
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av_get_pix_fmt_name(output_frame->format),
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output_frame->width, output_frame->height, output_frame->pts);
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err = ff_filter_frame(outlink, output_frame);
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if (err < 0)
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break;
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}
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ctx->prev_pts = input_frame->pts;
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return err;
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fail:
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if (filter_params_addr)
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vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
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av_frame_free(&output_frame);
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return err;
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}
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static int deint_vaapi_request_frame(AVFilterLink *link)
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{
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AVFilterContext *avctx = link->src;
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DeintVAAPIContext *ctx = avctx->priv;
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int ret;
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if (ctx->eof)
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return AVERROR_EOF;
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ret = ff_request_frame(link->src->inputs[0]);
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if (ret == AVERROR_EOF && ctx->extra_delay_for_timestamps) {
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ctx->eof = 1;
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deint_vaapi_filter_frame(link->src->inputs[0], NULL);
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} else if (ret < 0)
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return ret;
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return 0;
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}
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static av_cold int deint_vaapi_init(AVFilterContext *avctx)
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{
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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ff_vaapi_vpp_ctx_init(avctx);
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vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
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vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
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vpp_ctx->output_format = AV_PIX_FMT_NONE;
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return 0;
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}
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#define OFFSET(x) offsetof(DeintVAAPIContext, x)
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
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static const AVOption deint_vaapi_options[] = {
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{ "mode", "Deinterlacing mode",
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OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
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VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, "mode" },
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{ "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, "mode" },
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{ "bob", "Use the bob deinterlacing algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, "mode" },
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{ "weave", "Use the weave deinterlacing algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, "mode" },
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{ "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, "mode" },
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{ "motion_compensated", "Use the motion compensated deinterlacing algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, "mode" },
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{ "rate", "Generate output at frame rate or field rate",
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OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, "rate" },
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{ "frame", "Output at frame rate (one frame of output for each field-pair)",
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0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "rate" },
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{ "field", "Output at field rate (one frame of output for each field)",
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0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, "rate" },
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{ "auto", "Only deinterlace fields, passing frames through unchanged",
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OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
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{ NULL },
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};
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static const AVClass deint_vaapi_class = {
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.class_name = "deinterlace_vaapi",
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.item_name = av_default_item_name,
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.option = deint_vaapi_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static const AVFilterPad deint_vaapi_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.filter_frame = &deint_vaapi_filter_frame,
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.config_props = &ff_vaapi_vpp_config_input,
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},
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};
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static const AVFilterPad deint_vaapi_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.request_frame = &deint_vaapi_request_frame,
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.config_props = &deint_vaapi_config_output,
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},
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};
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const AVFilter ff_vf_deinterlace_vaapi = {
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.name = "deinterlace_vaapi",
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.description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
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.priv_size = sizeof(DeintVAAPIContext),
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.init = &deint_vaapi_init,
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.uninit = &ff_vaapi_vpp_ctx_uninit,
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FILTER_INPUTS(deint_vaapi_inputs),
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FILTER_OUTPUTS(deint_vaapi_outputs),
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FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
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.priv_class = &deint_vaapi_class,
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
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};
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