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[79.124.17.100]) by mx.google.com with ESMTP id r12-20020a50d68c000000b0049e1f0c6c8asi13987583edi.584.2023.01.30.00.40.20; Mon, 30 Jan 2023 00:40:20 -0800 (PST) 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; dkim=neutral (body hash did not verify) header.i=@intel.com header.s=Intel header.b=PNWYWMs6; 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 Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 873F6680CE8; Mon, 30 Jan 2023 10:40:16 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 185F968B2F6 for ; Mon, 30 Jan 2023 10:40:07 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1675068013; x=1706604013; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ja3e0Td1PKxXT/MgAo2ssauHTqk8KKLyOH3VkhAXw94=; b=PNWYWMs6SxFQJks91SDv69wBjiNepsFHFSca5rM4v6O5Azn29uyxPTG/ X+KfEMx3dC5i5r79uBlDKJzz5tZ4G/SV+nF5b2//wXBbt6kt0MI4VSFGS 2R8WAgUvgPON7Zpraa+mGU9WLk7vUYKp+zT2T3FxsBvfF+gmQWroGXfGL MaRHKxg5RvioJvUUhTj+oteFx7s1hnnlS8lZEiqW6DmXOT1c6qQPXO8R5 9gqM5XmZY79cxErCz/hP4etTjB9YpYgXL7xs8iyFbZSmx03u+WOf+Jx5g eE4WdQQplZwD/QiJe7vb3rdT2iCtOb/eQhtH9tHZJefDF9mLFXOhAloa2 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="328783301" X-IronPort-AV: E=Sophos;i="5.97,257,1669104000"; d="scan'208";a="328783301" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 00:40:03 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="992816500" X-IronPort-AV: E=Sophos;i="5.97,257,1669104000"; d="scan'208";a="992816500" Received: from xhh-tgl64.sh.intel.com ([10.238.2.19]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 00:39:46 -0800 From: "Xiang, Haihao" To: ffmpeg-devel@ffmpeg.org Date: Mon, 30 Jan 2023 16:39:29 +0800 Message-Id: <20230130083929.374071-1-haihao.xiang@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: WdfZQP22DXFm From: Haihao Xiang Include hstack_qsv, vstack_qsv and xstack_qsv. They may accept input streams with different sizes. Examples: $ ffmpeg -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \ -filter_complex "[0:v][0:v]hstack_qsv" -f null - $ ffmpeg \ -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \ -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \ -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \ -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \ -filter_complex "[0:v][1:v][2:v][3:v]xstack_qsv=inputs=4:fill=0x000000:layout=0_0_1920x1080|w0_0_1920x1080|0_h0_1920x1080|w0_h0_1920x1080" \ -f null - Signed-off-by: Haihao Xiang --- Changelog | 1 + configure | 6 + doc/filters.texi | 88 ++++++ libavfilter/Makefile | 3 + libavfilter/allfilters.c | 3 + libavfilter/version.h | 2 +- libavfilter/vf_stack_qsv.c | 563 +++++++++++++++++++++++++++++++++++++ 7 files changed, 665 insertions(+), 1 deletion(-) create mode 100644 libavfilter/vf_stack_qsv.c diff --git a/Changelog b/Changelog index a0f1ad7211..0d700320fd 100644 --- a/Changelog +++ b/Changelog @@ -34,6 +34,7 @@ version : - ssim360 video filter - ffmpeg CLI new options: -enc_stats_pre[_fmt], -enc_stats_post[_fmt] - hstack_vaapi, vstack_vaapi and xstack_vaapi filters +- hstack_qsv, vstack_qsv and xstack_qsv filters version 5.1: diff --git a/configure b/configure index 47790d10f5..037a47f2ab 100755 --- a/configure +++ b/configure @@ -3770,6 +3770,12 @@ yadif_videotoolbox_filter_deps="metal corevideo videotoolbox" hstack_vaapi_filter_deps="vaapi_1" vstack_vaapi_filter_deps="vaapi_1" xstack_vaapi_filter_deps="vaapi_1" +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 3a54c68f3e..43c77dc041 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -26772,6 +26772,94 @@ See @ref{xstack}. @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} or @code{--enable-libvpl}. + +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, each input stream may +have different height, this filter will scale down/up each input stream while +keeping the orignal aspect. + +It accepts the following options: + +@table @option +@item inputs +See @ref{hstack}. + +@item shortest +See @ref{hstack}. + +@item height +Set height of output. If set to 0, this filter will set height of output to +height of the first input stream. Default value is 0. +@end table + +@section vstack_qsv +Stack input videos vertically. + +This is the QSV variant of the @ref{vstack} filter, each input stream may +have different width, this filter will scale down/up each input stream while +keeping the orignal aspect. + +It accepts the following options: + +@table @option +@item inputs +See @ref{vstack}. + +@item shortest +See @ref{vstack}. + +@item width +Set width of output. If set to 0, this filter will set width of output to +width of the first input stream. Default value is 0. +@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 +See @ref{xstack}. + +@item shortest +See @ref{xstack}. + +@item layout +See @ref{xstack}. +Moreover, this permits the user to supply output size for each input stream. +@example +xstack_qsv=inputs=4:layout=0_0_1920x1080|0_h0_1920x1080|w0_0_1920x1080|w0_h0_1920x1080 +@end example + +@item grid +See @ref{xstack}. + +@item grid_tile_size +Set output size for each input stream when @option{grid} is set. If this option +is not set, this filter will set output size by default to the size of the +first input stream. For the syntax of this option, check the +@ref{video size syntax,,"Video size" section in the ffmpeg-utils manual,ffmpeg-utils}. + +@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 b45dcd00fc..23e7b89d09 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -561,6 +561,9 @@ OBJS-$(CONFIG_ZSCALE_FILTER) += vf_zscale.o OBJS-$(CONFIG_HSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.o OBJS-$(CONFIG_VSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.o OBJS-$(CONFIG_XSTACK_VAAPI_FILTER) += vf_stack_vaapi.o framesync.o vaapi_vpp.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 9cdcca4853..d7db46c2af 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -526,6 +526,9 @@ extern const AVFilter ff_vf_zscale; extern const AVFilter ff_vf_hstack_vaapi; extern const AVFilter ff_vf_vstack_vaapi; extern const AVFilter ff_vf_xstack_vaapi; +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/version.h b/libavfilter/version.h index 057ab63415..93036a615d 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #include "version_major.h" -#define LIBAVFILTER_VERSION_MINOR 56 +#define LIBAVFILTER_VERSION_MINOR 57 #define LIBAVFILTER_VERSION_MICRO 100 diff --git a/libavfilter/vf_stack_qsv.c b/libavfilter/vf_stack_qsv.c new file mode 100644 index 0000000000..f3a623f26c --- /dev/null +++ b/libavfilter/vf_stack_qsv.c @@ -0,0 +1,563 @@ +/* + * 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 "config_components.h" + +#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 { + QSVVPPContext qsv; + + FFFrameSync fs; + QSVVPPParam qsv_param; + mfxExtVPPComposite comp_conf; + int mode; + + /* Options */ + int nb_inputs; + int shortest; + int tile_width; + int tile_height; + int nb_grid_columns; + int nb_grid_rows; + 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; + QSVVPPContext *qsv = fs->opaque; + AVFrame *frame = NULL; + int ret = 0; + + for (int i = 0; i < ctx->nb_inputs; i++) { + ret = ff_framesync_get_frame(fs, i, &frame, 0); + if (ret == 0) + ret = ff_qsvvpp_filter_frame(qsv, ctx->inputs[i], frame); + if (ret < 0 && ret != AVERROR(EAGAIN)) + break; + } + + if (ret == 0 && qsv->got_frame == 0) { + for (int 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; + + 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 (int 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 = 1; + 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 = 0; \ + 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, 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 (int 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 = sctx->tile_height; + width = 0; + + if (height == 0) + height = inlink0->h; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + SET_INPUT_STREAM(is, width, 0, av_rescale(height, inlink->w, inlink->h), height); + width += av_rescale(height, inlink->w, inlink->h); + } + } else if (sctx->mode == QSV_STACK_V) { + height = 0; + width = sctx->tile_width; + + if (width == 0) + width = inlink0->w; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + SET_INPUT_STREAM(is, 0, height, width, av_rescale(width, inlink->h, inlink->w)); + height += av_rescale(width, inlink->h, inlink->w); + } + } else if (sctx->nb_grid_rows && sctx->nb_grid_columns) { + int xpos = 0, ypos = 0; + int ow, oh, k = 0; + + ow = sctx->tile_width; + oh = sctx->tile_height; + + if (!ow || !oh) { + ow = ctx->inputs[0]->w; + oh = ctx->inputs[0]->h; + } + + for (int i = 0; i < sctx->nb_grid_columns; i++) { + ypos = 0; + + for (int j = 0; j < sctx->nb_grid_rows; j++) { + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[k]; + + SET_INPUT_STREAM(is, xpos, ypos, ow, oh); + k++; + ypos += oh; + } + + xpos += ow; + } + + width = ow * sctx->nb_grid_columns; + height = oh * sctx->nb_grid_rows; + } else { + char *arg, *p = sctx->layout, *saveptr = NULL; + char *arg2, *p2, *saveptr2 = NULL; + char *arg3, *p3, *saveptr3 = NULL; + int xpos, ypos, size; + int ow, oh; + + width = ctx->inputs[0]->w; + height = ctx->inputs[0]->h; + + for (int i = 0; i < sctx->nb_inputs; i++) { + AVFilterLink *inlink = ctx->inputs[i]; + mfxVPPCompInputStream *is = &sctx->comp_conf.InputStream[i]; + + ow = inlink->w; + oh = inlink->h; + + if (!(arg = av_strtok(p, "|", &saveptr))) + return AVERROR(EINVAL); + + p = NULL; + p2 = arg; + xpos = ypos = 0; + + for (int j = 0; j < 3; j++) { + if (!(arg2 = av_strtok(p2, "_", &saveptr2))) { + if (j == 2) + break; + else + return AVERROR(EINVAL); + } + + p2 = NULL; + p3 = arg2; + + if (j == 2) { + if ((ret = av_parse_video_size(&ow, &oh, p3)) < 0) { + av_log(ctx, AV_LOG_ERROR, "Invalid size '%s'\n", p3); + return ret; + } + + break; + } + + 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) + xpos += sctx->comp_conf.InputStream[size].DstW; + else + ypos += sctx->comp_conf.InputStream[size].DstW; + } else if (sscanf(arg3, "h%d", &size) == 1) { + if (size == i || size < 0 || size >= sctx->nb_inputs) + return AVERROR(EINVAL); + + if (!j) + xpos += sctx->comp_conf.InputStream[size].DstH; + else + ypos += sctx->comp_conf.InputStream[size].DstH; + } else if (sscanf(arg3, "%d", &size) == 1) { + if (size < 0) + return AVERROR(EINVAL); + + if (!j) + xpos += size; + else + ypos += size; + } else { + return AVERROR(EINVAL); + } + } + } + + SET_INPUT_STREAM(is, xpos, ypos, ow, oh); + width = FFMAX(width, xpos + ow); + height = FFMAX(height, ypos + oh); + } + } + + 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_init(ctx, &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 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 { + int is_grid; + + av_assert0(strcmp(ctx->filter->name, "xstack_qsv") == 0); + sctx->mode = QSV_STACK_X; + is_grid = sctx->nb_grid_rows && sctx->nb_grid_columns; + + if (sctx->layout && is_grid) { + av_log(ctx, AV_LOG_ERROR, "Both layout and grid were specified. Only one is allowed.\n"); + return AVERROR(EINVAL); + } + + if (!sctx->layout && !is_grid) { + if (sctx->nb_inputs == 2) { + sctx->nb_grid_rows = 1; + sctx->nb_grid_columns = 2; + is_grid = 1; + } else { + av_log(ctx, AV_LOG_ERROR, "No layout or grid specified.\n"); + return AVERROR(EINVAL); + } + } + + if (is_grid) + sctx->nb_inputs = sctx->nb_grid_rows * sctx->nb_grid_columns; + + 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; + } + } + + for (int 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_append_inpad_free_name(ctx, &pad)) < 0) + 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_calloc(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; + + ff_qsvvpp_close(ctx); + ff_framesync_uninit(&sctx->fs); + av_freep(&sctx->comp_conf.InputStream); + av_freep(&sctx->qsv_param.ext_buf); +} + +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, + }; + + return ff_set_common_formats_from_list(ctx, pixel_formats); +} + +static const AVFilterPad stack_qsv_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_output, + }, +}; + +#define STACK_COMMON_OPTS \ + { "inputs", "Set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, { .i64 = 2 }, 2, UINT16_MAX, .flags = FLAGS }, \ + { "shortest", "Force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, + +#if CONFIG_HSTACK_QSV_FILTER + +static const AVOption hstack_qsv_options[] = { + STACK_COMMON_OPTS + + { "height", "Set output height (0 to use the height of input 0)", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, + { NULL } +}; + +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, + FILTER_QUERY_FUNC(stack_qsv_query_formats), + FILTER_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, +}; + +#endif + +#if CONFIG_VSTACK_QSV_FILTER + +static const AVOption vstack_qsv_options[] = { + STACK_COMMON_OPTS + + { "width", "Set output width (0 to use the width of input 0)", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, FLAGS }, + { NULL } +}; + +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, + FILTER_QUERY_FUNC(stack_qsv_query_formats), + FILTER_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, +}; + +#endif + +#if CONFIG_XSTACK_QSV_FILTER + +static const AVOption xstack_qsv_options[] = { + STACK_COMMON_OPTS + + { "layout", "Set custom layout", OFFSET(layout), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, .flags = FLAGS }, + { "grid", "set fixed size grid layout", OFFSET(nb_grid_columns), AV_OPT_TYPE_IMAGE_SIZE, {.str=NULL}, 0, 0, .flags = FLAGS }, + { "grid_tile_size", "set tile size in grid layout", OFFSET(tile_width), AV_OPT_TYPE_IMAGE_SIZE, {.str=NULL}, 0, 0, .flags = FLAGS }, + { "fill", "Set the color for unused pixels", OFFSET(fillcolor_str), AV_OPT_TYPE_STRING, {.str = "none"}, .flags = 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, + FILTER_QUERY_FUNC(stack_qsv_query_formats), + FILTER_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, +}; + +#endif