From patchwork Fri Aug 6 05:17:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Xiang, Haihao" X-Patchwork-Id: 29306 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a6b:6c0f:0:0:0:0:0 with SMTP id a15csp209310ioh; Thu, 5 Aug 2021 22:17:33 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwC2uMPfQJhvl4UMY17vstEXuvLXR+d7LhMhPectDt4jbi3HpvLYw+gmljx4+OrDPHwxWhs X-Received: by 2002:a17:906:c055:: with SMTP id bm21mr8335141ejb.350.1628227053661; Thu, 05 Aug 2021 22:17:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628227053; cv=none; d=google.com; s=arc-20160816; b=iM54tjFvMEbU3i60ZwEBiyHgpamS/y4276nRFwRplq0y0BLypKycJmzEYkntcSqFhw JoPNI6AQq/Hvi8Au6fUvM+GgR6Cgt67bcuNZozub0bZQl1Ohv0niItH4SWf+K1qF3ZaM n09BKyA+lzYbvJCVmOpfh6qv4jEHICX0Mjsv0a/ArOv8XxbvZf7NhJLWlTuH6ajENYWe iywbMsW9BjydUkbhXM5q58I93CWGPQFB9uhVJTGW1z90UolAlPpMnScojI8s+oeP2cgj jWsICTf94JxmH6I7oX5YYIgAqRrAAQ7HJpj2iXZ6Yd2tQ4a41N0e/zaNiaUM10OZaaHS xqjA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:delivered-to; bh=43rPCeEFcBbNHrlP5dZ2WDBkWPPxhGQ+L0x4jH6CG4c=; b=U9G4QllutuSQR+K5bighQ9uAVsaPFaxxip3iCMfbAtNIIT7mASuLpi8jzP/LG7EvEM vqihqSRxyZh4Y0uP0m4WYKITX2YkH7IL34hK2ez9u/BVGAS/TR0aUa/QdwtES+XBeX6Z GpzXy//5yVgmTTymozVz1GCpbubT7PCgQqgzWxTqaKZedrMe88ZA3HOb04VRVoRXAcGO Jo0wisG78mi4djEe0mBVhJt+V+tNWIEUuymtg0r+MUsE+5hyRxF+MJjPRaKIkgum6BZ7 oIuhMN8aD3G1qKI9hOJcUGlOCQWArXKsK6VEPt4D67aQWNAelCAqetV+Z8U2W6wxIHVT hK3A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id y8si7692517edu.495.2021.08.05.22.17.33; Thu, 05 Aug 2021 22:17:33 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 41DB9689D1F; Fri, 6 Aug 2021 08:17:30 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id AEA61680751 for ; Fri, 6 Aug 2021 08:17:22 +0300 (EEST) X-IronPort-AV: E=McAfee;i="6200,9189,10067"; a="201494753" X-IronPort-AV: E=Sophos;i="5.84,299,1620716400"; d="scan'208";a="201494753" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2021 22:17:20 -0700 X-IronPort-AV: E=Sophos;i="5.84,299,1620716400"; d="scan'208";a="513061998" Received: from xhh-dg164.sh.intel.com ([10.239.159.167]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2021 22:17:19 -0700 From: Haihao Xiang To: ffmpeg-devel@ffmpeg.org Date: Fri, 6 Aug 2021 13:17:10 +0800 Message-Id: <20210806051710.10050-1-haihao.xiang@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH v2] avfilter: add QSV variants of the stack filters X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Haihao Xiang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: FZ1Qc9kfhxJB Include hstack_qsv, vstack_qsv and xstack_qsv, some code is copy and pasted from other filters Example: $> ffmpeg -hwaccel qsv -c:v hevc_qsv -i input.h265 -filter_complex "[0:v][0:v]hstack_qsv" -f null - --- v2: fix wrong reference in filters.texi configure | 6 + doc/filters.texi | 81 ++++++ libavfilter/Makefile | 3 + libavfilter/allfilters.c | 3 + libavfilter/vf_stack_qsv.c | 498 +++++++++++++++++++++++++++++++++++++ 5 files changed, 591 insertions(+) create mode 100644 libavfilter/vf_stack_qsv.c diff --git a/configure b/configure index f9fdf58bc3..96c95ac062 100755 --- a/configure +++ b/configure @@ -3696,6 +3696,12 @@ vpp_qsv_filter_select="qsvvpp" xfade_opencl_filter_deps="opencl" yadif_cuda_filter_deps="ffnvcodec" yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm" +hstack_qsv_filter_deps="libmfx" +hstack_qsv_filter_select="qsvvpp" +vstack_qsv_filter_deps="libmfx" +vstack_qsv_filter_select="qsvvpp" +xstack_qsv_filter_deps="libmfx" +xstack_qsv_filter_select="qsvvpp" # examples avio_list_dir_deps="avformat avutil" diff --git a/doc/filters.texi b/doc/filters.texi index 790d165433..5d656a9351 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -13487,6 +13487,7 @@ Set the scaling dimension: @code{2} for @code{hq2x}, @code{3} for Default is @code{3}. @end table +@anchor{hstack} @section hstack Stack input videos horizontally. @@ -21861,6 +21862,7 @@ Example: ffmpeg -i ref.mpg -vf vmafmotion -f null - @end example +@anchor{vstack} @section vstack Stack input videos vertically. @@ -22307,6 +22309,7 @@ minimum values, and @code{1} maximum values. This filter supports all above options as @ref{commands}, excluding option @code{inputs}. +@anchor{xstack} @section xstack Stack video inputs into custom layout. @@ -24004,6 +24007,84 @@ tonemap_vaapi=format=p010:t=bt2020-10 @c man end VAAPI VIDEO FILTERS +@chapter QSV Video Filters +@c man begin QSV VIDEO FILTERS + +Below is a description of the currently available QSV video filters. + +To enable compilation of these filters you need to configure FFmpeg with +@code{--enable-libmfx}. + +To use QSV filters, you need to setup the QSV device correctly. For more information, please read @url{https://trac.ffmpeg.org/wiki/Hardware/QuickSync} + +@section hstack_qsv +Stack input videos horizontally. + +This is the QSV variant of the @ref{hstack} filter. + +It accepts the following options: + +@table @option +@item inputs +Set number of input streams. Allowed range is from 2 to 72. +Default value is 2. + +@item shortest +See @ref{hstack}. + +@item scale +Set factor to zoom in or out all videos. Allowed range is from 0.125 to 8. +Default value is 1. +@end table + +@section vstack_qsv +Stack input videos vertically. + +This is the QSV variant of the @ref{vstack} filter. + +It accepts the following options: + +@table @option +@item inputs +Set number of input streams. Allowed range is from 2 to 72. +Default value is 2. + +@item shortest +See @ref{vstack}. + +@item scale +Set factor to zoom in or out all videos. Allowed range is from 0.125 to 8. +Default value is 1. +@end table + +@section xstack_qsv +Stack video inputs into custom layout. + +This is the QSV variant of the @ref{xstack} filter. + +It accepts the following options: + +@table @option +@item inputs +Set number of input streams. Allowed range is from 2 to 72. +Default value is 2. + +@item shortest +See @ref{xstack}. + +@item scale +Set factor to zoom in or out all videos. Allowed range is from 0.125 to 8. +Default value is 1. + +@item layout +See @ref{xstack}. + +@item fill +See @ref{xstack}. +@end table + +@c man end QSV VIDEO FILTERS + @chapter Video Sources @c man begin VIDEO SOURCES diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 49c0c8342b..03e8558635 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -496,6 +496,9 @@ OBJS-$(CONFIG_YAEPBLUR_FILTER) += vf_yaepblur.o OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o OBJS-$(CONFIG_ZSCALE_FILTER) += vf_zscale.o +OBJS-$(CONFIG_HSTACK_QSV_FILTER) += vf_stack_qsv.o framesync.o +OBJS-$(CONFIG_VSTACK_QSV_FILTER) += vf_stack_qsv.o framesync.o +OBJS-$(CONFIG_XSTACK_QSV_FILTER) += vf_stack_qsv.o framesync.o OBJS-$(CONFIG_ALLRGB_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index ae74f9c891..16bc0c6429 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -472,6 +472,9 @@ extern const AVFilter ff_vf_yaepblur; extern const AVFilter ff_vf_zmq; extern const AVFilter ff_vf_zoompan; extern const AVFilter ff_vf_zscale; +extern const AVFilter ff_vf_hstack_qsv; +extern const AVFilter ff_vf_vstack_qsv; +extern const AVFilter ff_vf_xstack_qsv; extern const AVFilter ff_vsrc_allrgb; extern const AVFilter ff_vsrc_allyuv; diff --git a/libavfilter/vf_stack_qsv.c b/libavfilter/vf_stack_qsv.c new file mode 100644 index 0000000000..3d39e3ec60 --- /dev/null +++ b/libavfilter/vf_stack_qsv.c @@ -0,0 +1,498 @@ +/* + * 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 + */ + +/** + * @file + * Hardware accelerated hstack, vstack and xstack filters based on Intel Quick Sync Video VPP + */ + +#include "libavutil/opt.h" +#include "libavutil/common.h" +#include "libavutil/pixdesc.h" +#include "libavutil/eval.h" +#include "libavutil/hwcontext.h" +#include "libavutil/avstring.h" +#include "libavutil/avassert.h" +#include "libavutil/imgutils.h" +#include "libavutil/mathematics.h" +#include "libavutil/parseutils.h" + +#include "internal.h" +#include "filters.h" +#include "formats.h" +#include "video.h" + +#include "framesync.h" +#include "qsvvpp.h" + +#define OFFSET(x) offsetof(QSVStackContext, x) +#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) + +enum { + QSV_STACK_H = 0, + QSV_STACK_V = 1, + QSV_STACK_X = 2 +}; + +typedef struct QSVStackContext { + const AVClass *class; + QSVVPPContext *qsv; + QSVVPPParam qsv_param; + mfxExtVPPComposite comp_conf; + int mode; + FFFrameSync fs; + + /* Options */ + int nb_inputs; + int shortest; + double scale; + char *layout; + uint8_t fillcolor[4]; + char *fillcolor_str; + int fillcolor_enable; +} QSVStackContext; + +static void rgb2yuv(float r, float g, float b, int *y, int *u, int *v, int depth) +{ + *y = ((0.21260*219.0/255.0) * r + (0.71520*219.0/255.0) * g + + (0.07220*219.0/255.0) * b) * ((1 << depth) - 1); + *u = (-(0.11457*224.0/255.0) * r - (0.38543*224.0/255.0) * g + + (0.50000*224.0/255.0) * b + 0.5) * ((1 << depth) - 1); + *v = ((0.50000*224.0/255.0) * r - (0.45415*224.0/255.0) * g - + (0.04585*224.0/255.0) * b + 0.5) * ((1 << depth) - 1); +} + +static int process_frame(FFFrameSync *fs) +{ + AVFilterContext *ctx = fs->parent; + QSVStackContext *sctx = fs->opaque; + AVFrame *frame = NULL; + int ret = 0, i; + + for (i = 0; i < ctx->nb_inputs; i++) { + ret = ff_framesync_get_frame(fs, i, &frame, 0); + if (ret == 0) + ret = ff_qsvvpp_filter_frame(sctx->qsv, ctx->inputs[i], frame); + if (ret < 0 && ret != AVERROR(EAGAIN)) + break; + } + + if (ret == 0 && sctx->qsv->got_frame == 0) { + for (i = 0; i < ctx->nb_inputs; i++) + FF_FILTER_FORWARD_WANTED(ctx->outputs[0], ctx->inputs[i]); + + ret = FFERROR_NOT_READY; + } + + return ret; +} + +static int init_framesync(AVFilterContext *ctx) +{ + QSVStackContext *sctx = ctx->priv; + int ret, i; + + ret = ff_framesync_init(&sctx->fs, ctx, ctx->nb_inputs); + + if (ret < 0) + return ret; + + sctx->fs.on_event = process_frame; + sctx->fs.opaque = sctx; + + for (i = 0; i < ctx->nb_inputs; i++) { + FFFrameSyncIn *in = &sctx->fs.in[i]; + in->before = EXT_STOP; + in->after = sctx->shortest ? EXT_STOP : EXT_INFINITY; + in->sync = i ? 1 : 2; + in->time_base = ctx->inputs[i]->time_base; + } + + return ff_framesync_configure(&sctx->fs); +} + +#define SET_INPUT_STREAM(is, x, y, w, h) do { \ + is->DstX = x; \ + is->DstY = y; \ + is->DstW = w; \ + is->DstH = h; \ + is->GlobalAlpha = 255; \ + is->GlobalAlphaEnable = 1; \ + is->PixelAlphaEnable = 0; \ + } while (0) + +static int config_output(AVFilterLink *outlink) +{ + AVFilterContext *ctx = outlink->src; + QSVStackContext *sctx = ctx->priv; + AVFilterLink *inlink0 = ctx->inputs[0]; + int width, height, i, ret; + enum AVPixelFormat in_format; + int depth = 8; + + if (inlink0->format == AV_PIX_FMT_QSV) { + if (!inlink0->hw_frames_ctx || !inlink0->hw_frames_ctx->data) + return AVERROR(EINVAL); + + in_format = ((AVHWFramesContext*)inlink0->hw_frames_ctx->data)->sw_format; + } else + in_format = inlink0->format; + + sctx->qsv_param.out_sw_format = in_format; + + for (i = 1; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + + if (inlink0->format == AV_PIX_FMT_QSV) { + AVHWFramesContext *hwfc0 = (AVHWFramesContext *)inlink0->hw_frames_ctx->data; + AVHWFramesContext *hwfc = (AVHWFramesContext *)inlink->hw_frames_ctx->data; + + if (inlink0->format != inlink->format) { + av_log(ctx, AV_LOG_ERROR, "Mixing hardware and software pixel formats is not supported.\n"); + + return AVERROR(EINVAL); + } else if (hwfc0->device_ctx != hwfc->device_ctx) { + av_log(ctx, AV_LOG_ERROR, "Inputs with different underlying QSV devices are forbidden.\n"); + + return AVERROR(EINVAL); + } + } + } + + if (in_format == AV_PIX_FMT_P010) + depth = 10; + + if (sctx->fillcolor_enable) { + int Y, U, V; + + rgb2yuv(sctx->fillcolor[0] / 255.0, sctx->fillcolor[1] / 255.0, + sctx->fillcolor[2] / 255.0, &Y, &U, &V, depth); + sctx->comp_conf.Y = Y; + sctx->comp_conf.U = U; + sctx->comp_conf.V = V; + } + + if (sctx->mode == QSV_STACK_H) { + height = inlink0->h * sctx->scale; + width = 0; + + for (i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + if (inlink0->h != inlink->h) { + av_log(ctx, AV_LOG_ERROR, "Input %d height %d does not match input %d height %d.\n", i, inlink->h, 0, inlink0->h); + return AVERROR(EINVAL); + } + + SET_INPUT_STREAM(is, width, 0, inlink->w * sctx->scale, inlink->h * sctx->scale); + width += inlink->w * sctx->scale; + } + } else if (sctx->mode == QSV_STACK_V) { + height = 0; + width = inlink0->w * sctx->scale; + + for (i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + if (inlink0->w != inlink->w) { + av_log(ctx, AV_LOG_ERROR, "Input %d width %d does not match input %d width %d.\n", i, inlink->w, 0, inlink0->w); + return AVERROR(EINVAL); + } + + SET_INPUT_STREAM(is, 0, height, inlink->w * sctx->scale, inlink->h * sctx->scale); + height += inlink->h * sctx->scale; + } + } else { + char *arg, *p = sctx->layout, *saveptr = NULL; + char *arg2, *p2, *saveptr2 = NULL; + char *arg3, *p3, *saveptr3 = NULL; + int inw, inh, size, j; + + width = ctx->inputs[0]->w * sctx->scale; + height = ctx->inputs[0]->h * sctx->scale; + + for (i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + if (!(arg = av_strtok(p, "|", &saveptr))) + return AVERROR(EINVAL); + + p = NULL; + p2 = arg; + inw = inh = 0; + + for (j = 0; j < 2; j++) { + if (!(arg2 = av_strtok(p2, "_", &saveptr2))) + return AVERROR(EINVAL); + + p2 = NULL; + p3 = arg2; + + while ((arg3 = av_strtok(p3, "+", &saveptr3))) { + p3 = NULL; + if (sscanf(arg3, "w%d", &size) == 1) { + if (size == i || size < 0 || size >= sctx->nb_inputs) + return AVERROR(EINVAL); + + if (!j) + inw += ctx->inputs[size]->w * sctx->scale; + else + inh += ctx->inputs[size]->w * sctx->scale; + } else if (sscanf(arg3, "h%d", &size) == 1) { + if (size == i || size < 0 || size >= sctx->nb_inputs) + return AVERROR(EINVAL); + + if (!j) + inw += ctx->inputs[size]->h * sctx->scale; + else + inh += ctx->inputs[size]->h * sctx->scale; + } else if (sscanf(arg3, "%d", &size) == 1) { + if (size < 0) + return AVERROR(EINVAL); + + if (!j) + inw += size; + else + inh += size; + } else { + return AVERROR(EINVAL); + } + } + } + + SET_INPUT_STREAM(is, inw, inh, inlink->w * sctx->scale, inlink->h * sctx->scale); + width = FFMAX(width, inlink->w * sctx->scale + inw); + height = FFMAX(height, inlink->h * sctx->scale + inh); + } + + } + + outlink->w = width; + outlink->h = height; + outlink->frame_rate = inlink0->frame_rate; + outlink->time_base = av_inv_q(outlink->frame_rate); + outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio; + + ret = init_framesync(ctx); + + if (ret < 0) + return ret; + + return ff_qsvvpp_create(ctx, &sctx->qsv, &sctx->qsv_param); +} + +/* + * Callback for qsvvpp + * @Note: qsvvpp composition does not generate PTS for result frame. + * so we assign the PTS from framesync to the output frame. + */ + +static int filter_callback(AVFilterLink *outlink, AVFrame *frame) +{ + QSVStackContext *sctx = outlink->src->priv; + + frame->pts = av_rescale_q(sctx->fs.pts, + sctx->fs.time_base, outlink->time_base); + return ff_filter_frame(outlink, frame); +} + + +static int stack_qsv_init(AVFilterContext *ctx) +{ + QSVStackContext *sctx = ctx->priv; + int i, ret; + + if (!strcmp(ctx->filter->name, "hstack_qsv")) + sctx->mode = QSV_STACK_H; + else if (!strcmp(ctx->filter->name, "vstack_qsv")) + sctx->mode = QSV_STACK_V; + else { + av_assert0(strcmp(ctx->filter->name, "xstack_qsv") == 0); + sctx->mode = QSV_STACK_X; + + if (strcmp(sctx->fillcolor_str, "none") && + av_parse_color(sctx->fillcolor, sctx->fillcolor_str, -1, ctx) >= 0) { + sctx->fillcolor_enable = 1; + } else { + sctx->fillcolor_enable = 0; + } + + if (!sctx->layout) { + if (sctx->nb_inputs == 2) { + sctx->layout = av_strdup("0_0|w0_0"); + + if (!sctx->layout) + return AVERROR(ENOMEM); + } else { + av_log(ctx, AV_LOG_ERROR, "No layout specified.\n"); + + return AVERROR(EINVAL); + } + } + } + + for (i = 0; i < sctx->nb_inputs; i++) { + AVFilterPad pad = { 0 }; + + pad.type = AVMEDIA_TYPE_VIDEO; + pad.name = av_asprintf("input%d", i); + + if (!pad.name) + return AVERROR(ENOMEM); + + if ((ret = ff_insert_inpad(ctx, i, &pad)) < 0) { + av_freep(&pad.name); + + return ret; + } + } + + /* fill composite config */ + sctx->comp_conf.Header.BufferId = MFX_EXTBUFF_VPP_COMPOSITE; + sctx->comp_conf.Header.BufferSz = sizeof(sctx->comp_conf); + sctx->comp_conf.NumInputStream = sctx->nb_inputs; + sctx->comp_conf.InputStream = av_mallocz_array(sctx->nb_inputs, + sizeof(*sctx->comp_conf.InputStream)); + if (!sctx->comp_conf.InputStream) + return AVERROR(ENOMEM); + + /* initialize QSVVPP params */ + sctx->qsv_param.filter_frame = filter_callback; + sctx->qsv_param.ext_buf = av_mallocz(sizeof(*sctx->qsv_param.ext_buf)); + + if (!sctx->qsv_param.ext_buf) + return AVERROR(ENOMEM); + + sctx->qsv_param.ext_buf[0] = (mfxExtBuffer *)&sctx->comp_conf; + sctx->qsv_param.num_ext_buf = 1; + sctx->qsv_param.num_crop = 0; + + return 0; +} + +static av_cold void stack_qsv_uninit(AVFilterContext *ctx) +{ + QSVStackContext *sctx = ctx->priv; + int i; + + ff_qsvvpp_free(&sctx->qsv); + ff_framesync_uninit(&sctx->fs); + av_freep(&sctx->comp_conf.InputStream); + av_freep(&sctx->qsv_param.ext_buf); + + for (i = 0; i < ctx->nb_inputs; i++) + av_freep(&ctx->input_pads[i].name); +} + +static int stack_qsv_activate(AVFilterContext *ctx) +{ + QSVStackContext *sctx = ctx->priv; + return ff_framesync_activate(&sctx->fs); +} + +static int stack_qsv_query_formats(AVFilterContext *ctx) +{ + static const enum AVPixelFormat pixel_formats[] = { + AV_PIX_FMT_NV12, + AV_PIX_FMT_P010, + AV_PIX_FMT_QSV, + AV_PIX_FMT_NONE, + }; + AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats); + + return ff_set_common_formats(ctx, pix_fmts); +} + +static const AVFilterPad stack_qsv_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_output, + }, + + { NULL } +}; + +static const AVOption stack_qsv_options[] = { + { "inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, { .i64 = 2 }, 2, 72, .flags = FLAGS }, + { "shortest", "force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, + { "scale", "set scale factor", OFFSET(scale), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 0.125, 8, FLAGS }, + { NULL } +}; + +#define hstack_qsv_options stack_qsv_options +AVFILTER_DEFINE_CLASS(hstack_qsv); + +const AVFilter ff_vf_hstack_qsv = { + .name = "hstack_qsv", + .description = NULL_IF_CONFIG_SMALL("Quick Sync Video hstack."), + .priv_size = sizeof(QSVStackContext), + .priv_class = &hstack_qsv_class, + .query_formats = stack_qsv_query_formats, + .outputs = stack_qsv_outputs, + .init = stack_qsv_init, + .uninit = stack_qsv_uninit, + .activate = stack_qsv_activate, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +}; + +#define vstack_qsv_options stack_qsv_options +AVFILTER_DEFINE_CLASS(vstack_qsv); + +const AVFilter ff_vf_vstack_qsv = { + .name = "vstack_qsv", + .description = NULL_IF_CONFIG_SMALL("Quick Sync Video vstack."), + .priv_size = sizeof(QSVStackContext), + .priv_class = &vstack_qsv_class, + .query_formats = stack_qsv_query_formats, + .outputs = stack_qsv_outputs, + .init = stack_qsv_init, + .uninit = stack_qsv_uninit, + .activate = stack_qsv_activate, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +}; + +static const AVOption xstack_qsv_options[] = { + { "inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, { .i64 = 2 }, 2, 72, .flags = FLAGS }, + { "layout", "set custom layout", OFFSET(layout), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, .flags = FLAGS }, + { "shortest", "force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, + { "fill", "set the color for unused pixels", OFFSET(fillcolor_str), AV_OPT_TYPE_STRING, {.str = "none"}, .flags = FLAGS }, + { "scale", "set scale factor", OFFSET(scale), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 0.125, 8, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(xstack_qsv); + +const AVFilter ff_vf_xstack_qsv = { + .name = "xstack_qsv", + .description = NULL_IF_CONFIG_SMALL("Quick Sync Video xstack."), + .priv_size = sizeof(QSVStackContext), + .priv_class = &xstack_qsv_class, + .query_formats = stack_qsv_query_formats, + .outputs = stack_qsv_outputs, + .init = stack_qsv_init, + .uninit = stack_qsv_uninit, + .activate = stack_qsv_activate, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, +};