[FFmpeg-devel] [PATCH] Added QSV based VPP filter

Hendrik Leppkes h.leppkes at gmail.com
Thu Oct 22 14:25:38 CEST 2015


On Thu, Oct 22, 2015 at 2:20 PM, Sven Dueking <sven at nablet.com> wrote:
>
>
>> -----Ursprüngliche Nachricht-----
>> Von: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] Im Auftrag
>> von Sven Dueking
>> Gesendet: Donnerstag, 22. Oktober 2015 14:03
>> An: 'FFmpeg development discussions and patches'
>> Betreff: Re: [FFmpeg-devel] [PATCH] Added QSV based VPP filter
>>
>>
>>
>> > -----Ursprüngliche Nachricht-----
>> > Von: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] Im Auftrag
>> > von Hendrik Leppkes
>> > Gesendet: Donnerstag, 22. Oktober 2015 14:00
>> > An: FFmpeg development discussions and patches
>> > Betreff: Re: [FFmpeg-devel] [PATCH] Added QSV based VPP filter
>> >
>> > On Thu, Oct 22, 2015 at 1:29 PM, Sven Dueking <sven at nablet.com>
>> wrote:
>> > >
>> > >
>> > >> -----Ursprüngliche Nachricht-----
>> > >> Von: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] Im
>> > Auftrag
>> > >> von Carl Eugen Hoyos
>> > >> Gesendet: Mittwoch, 14. Oktober 2015 12:43
>> > >> An: FFmpeg development discussions and patches
>> > >> Betreff: Re: [FFmpeg-devel] [PATCH] Added QSV based VPP filter
>> > >>
>> > >> On Wednesday 14 October 2015 10:07:04 am Sven Dueking wrote:
>> > >> > Hi all,
>> > >> >
>> > >> > The attached patches adds the VPP as filter module to FFMpeg.
>> > >> > Looking forward to get feedback.
>> > >>
>> > >> Just a few comments, I expect you will get a comment explaining
>> > >> what you can't do;-) (Sorry for the partly broken quotation.)
>> > >>
>> > >> In any case, please merge both patches, they are not independent.
>> > >>
>> > >> >
>> > >> > Many thanks,
>> > >> > Sven
>> > >>
>> > >> > From d09cff6d868bd2a0fd87e3906f8808638809494b Mon Sep 17
>> 00:00:00
>> > >> 2001
>> > >> > From: Sven Dueking <sven at nablet.com>
>> > >> > Date: Wed, 14 Oct 2015 08:13:38 +0100
>> > >> > Subject: [PATCH 1/2] added QSV based VPP filter
>> > >> >
>> > >> > ---
>> > >> >  libavfilter/vf_qsv_vpp.c | 686
>> > >> > +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed,
>> > 686
>> > >> > insertions(+)
>> > >> >  create mode 100644 libavfilter/vf_qsv_vpp.c
>> > >> >
>> > >> > diff --git a/libavfilter/vf_qsv_vpp.c b/libavfilter/vf_qsv_vpp.c
>> > >> > new file mode 100644 index 0000000..629913e
>> > >> > --- /dev/null
>> > >> > +++ b/libavfilter/vf_qsv_vpp.c
>> > >> > @@ -0,0 +1,686 @@
>> > >> > +/*
>> > >> > + * Intel MediaSDK Quick Sync Video VPP filter
>> > >> > + *
>> > >> > + * copyright (c) 2015 Sven Dueking
>> > >> > + *
>> > >> > + * This file is part of FFmpeg.
>> > >> > + *
>> > >> > + * Libav 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.
>> > >> > + *
>> > >> > + * Libav 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 Libav; if not, write to the Free Software
>> > >> > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
>> MA
>> > >> > 02110-1301 USA + */
>> > >> > +
>> > >> > +#include <mfx/mfxvideo.h>
>> > >> > +#include <mfx/mfxplugin.h>
>> > >> > +
>> > >> > +#include "avfilter.h"
>> > >> > +#include "internal.h"
>> > >> > +#include "formats.h"
>> > >> > +
>> > >> > +#include "libavutil/avassert.h"
>> > >> > +#include "libavutil/opt.h"
>> > >> > +#include "libavutil/time.h"
>> > >> > +#include "libavutil/avstring.h"
>> > >> > +#include "libavutil/error.h"
>> > >> > +#include "libavcodec/avcodec.h"
>> > >> > +#include "libavcodec/qsv_internal.h"
>> > >> > +
>> > >> > +#include <stdio.h>
>> > >> > +
>> > >> > +#include "avfilter.h"
>> > >> > +#include "formats.h"
>> > >> > +#include "internal.h"
>> > >> > +#include "video.h"
>> > >> > +#include "libavutil/eval.h"
>> > >> > +#include "libavutil/avstring.h"
>> > >> > +#include "libavutil/internal.h"
>> > >> > +#include "libavutil/libm.h"
>> > >> > +#include "libavutil/imgutils.h"
>> > >> > +#include "libavutil/mathematics.h"
>> > >> > +#include "libavutil/opt.h"
>> > >> > +#include "libavutil/pixfmt.h"
>> > >>
>> > >> Are they all necessary?
>> > >>
>> > >> > +
>> > >> > +/**
>> > >> > + * ToDo :
>> > >> > + *
>> > >> > + * - handle empty extbuffers
>> > >> > + * - cropping
>> > >> > + * - allocate number of surfaces depending modules and number
>> of
>> > b
>> > >> > +frames  */
>> > >> > +
>> > >> > +#define VPP_ZERO_MEMORY(VAR)        { memset(&VAR, 0,
>> > sizeof(VAR));
>> > >> }
>> > >>
>> > >> I don't think this is more readable, but that may only be me.
>> > >>
>> > >> > +#define VPP_ALIGN16(value)          (((value + 15) >> 4) << 4)
>> > >> //
>> > >> > round up to a multiple of 16 +#define VPP_ALIGN32(value)
>> > >> (((value
>> > >> > + 31) >> 5) << 5)          // round up to a multiple of 32
>> > +#define
>> > >>
>> > >> Isn't this FFALIGN()?
>> > >>
>> > >> > VPP_CHECK_POINTER(P, ...)   {if (!(P)) {return __VA_ARGS__;}} +
>> > >> > +// number of video enhancement filters (denoise, procamp,
>> > >> > +detail,
>> > >> > video_analysis, image stab) +#define ENH_FILTERS_COUNT
>> 5
>> > >> > +
>> > >> > +typedef struct {
>> > >> > +    const AVClass *class;
>> > >> > +
>> > >> > +    AVFilterContext *ctx;
>> > >> > +
>> > >> > +    mfxSession session;
>> > >> > +    QSVSession internal_qs;
>> > >> > +
>> > >> > +    AVRational framerate;                           // target
>> > >> framerate
>> > >> > +
>> > >> > +    mfxFrameSurface1 **in_surface;
>> > >> > +    mfxFrameSurface1 **out_surface;
>> > >> > +
>> > >> > +    mfxFrameAllocRequest req[2];                    // [0] -
>> in,
>> > [1]
>> > >> - out
>> > >> > +
>> > >> > +    int num_surfaces_in;                            // input
>> > >> surfaces
>> > >> > +    int num_surfaces_out;                           // output
>> > >> surfaces
>> > >> > +
>> > >> > +    unsigned char * surface_buffers_out;            // output
>> > >> surface
>> > >> > buffer +
>> > >> > +    char *load_plugins;
>> > >> > +
>> > >> > +    mfxVideoParam* pVppParam;
>> > >> > +
>> > >> > +    int cur_out_idx;
>> > >> > +
>> > >> > +    /* VPP extension */
>> > >> > +    mfxExtBuffer* pExtBuf[1+ENH_FILTERS_COUNT];
>> > >> > +    mfxExtVppAuxData extVPPAuxData;
>> > >> > +
>> > >> > +    /* Video Enhancement Algorithms */
>> > >> > +    mfxExtVPPDeinterlacing deinterlace_conf;
>> > >> > +    mfxExtVPPFrameRateConversion frc_conf;
>> > >> > +    mfxExtVPPDenoise denoise_conf;
>> > >> > +    mfxExtVPPDetail detail_conf;
>> > >> > +
>> > >> > +    int out_width;
>> > >> > +    int out_height;
>> > >> > +
>> > >> > +    int dpic;                   // destination picture
>> structure
>> > >> > +                                // -1 = unknown
>> > >> > +                                // 0 = interlaced top field
>> first
>> > >> > +                                // 1 = progressive
>> > >> > +                                // 2 = interlaced bottom field
>> > >> > + first
>> > >> > +
>> > >> > +    int deinterlace;            // deinterlace mode : 0=off,
>> > 1=bob,
>> > >> > 2=advanced +    int denoise;                // enable denoise
>> > >> algorithm.
>> > >> > Level is the optional value from the interval [0; 100] +    int
>> > >> detail;
>> > >> >             // enable detail enhancement algorithm. +
>> > >> >          // level is the optional value from the interval [0;
>> > >> > 100]
>> > >> > +
>> > >> int
>> > >> > async_depth;            // async dept used by encoder
>> > >> > +    int max_b_frames;           // maxiumum number of b frames
>> > used
>> > >> by
>> > >> > encoder +
>> > >> > +    int frame_number;
>> > >> > +
>> > >> > +    int use_frc;                // use framerate conversion
>> > >> > +
>> > >> > +} VPPContext;
>> > >> > +
>> > >> > +#define OFFSET(x) offsetof(VPPContext, x) #define FLAGS
>> > >> > +AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
>> > >> > +
>> > >> > +static const AVOption vpp_options[] = {
>> > >> > +    { "deinterlace", "deinterlace mode: 0=off, 1=bob,
>> > 2=advanced",
>> > >> >     OFFSET(deinterlace),  AV_OPT_TYPE_INT, {.i64=0}, 0,
>> > >> > MFX_DEINTERLACING_ADVANCED, .flags = FLAGS }, +    { "denoise",
>> > >> > "denoise level [0, 100]",
>> > >> OFFSET(denoise),
>> > >> >     AV_OPT_TYPE_INT, {.i64=0}, 0, 100, .flags = FLAGS }, +    {
>> > >> "detail",
>> > >> >    "detail enhancement level [0, 100]",
>> > >> > OFFSET(detail),       AV_OPT_TYPE_INT, {.i64=0}, 0, 100, .flags
>> =
>> > >> FLAGS },
>> > >> > +    { "w",           "Output video width",
>> > >> >     OFFSET(out_width),    AV_OPT_TYPE_INT, {.i64=0}, 0, 4096,
>> > .flags
>> > >> =
>> > >> > FLAGS }, +    { "width",       "Output video width",
>> > >> >              OFFSET(out_width),    AV_OPT_TYPE_INT, {.i64=0}, 0,
>> > >> 4096,
>> > >> > .flags = FLAGS }, +    { "h",           "Output video height",
>> > >> >                       OFFSET(out_height),   AV_OPT_TYPE_INT,
>> > >> {.i64=0}, 0,
>> > >> > 2304, .flags = FLAGS }, +    { "height",      "Output video
>> height
>> > :
>> > >> ",
>> > >> >                             OFFSET(out_height),
>> AV_OPT_TYPE_INT,
>> > >> > {.i64=0}, 0, 2304, .flags = FLAGS }, +    { "dpic",        "dest
>> > pic
>> > >> > struct: 0=tff, 1=progressive [default], 2=bff", OFFSET(dpic),
>> > >> > AV_OPT_TYPE_INT, {.i64 = 1 }, 0, 2, .flags = FLAGS }, +    {
>> > "fps",
>> > >> > "A string describing desired output framerate",
>> > >> > OFFSET(framerate),    AV_OPT_TYPE_VIDEO_RATE, { .str = "0" },
>> > .flags
>> > >> =
>> > >> > FLAGS }, +    { "async_depth", "Maximum processing parallelism
>> > >> [default =
>> > >> > 4]",           OFFSET(async_depth),  AV_OPT_TYPE_INT, { .i64 =
>> > >> > ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, .flags = FLAGS }, +    {
>> > >> > "max_b_frames","Maximum number of b frames  [default = 3]",
>> > >> > OFFSET(max_b_frames), AV_OPT_TYPE_INT, { .i64 = 3 }, 0, INT_MAX,
>> > >> .flags =
>> > >> > FLAGS }, +    { NULL }
>> > >> > +};
>> > >> > +
>> > >> > +AVFILTER_DEFINE_CLASS(vpp);
>> > >> > +
>> > >> > +static int get_bpp(unsigned int fourcc) {
>> > >> > +    switch (fourcc) {
>> > >> > +    case MFX_FOURCC_YUY2:
>> > >> > +        return 16;
>> > >> > +    case MFX_FOURCC_RGB4:
>> > >> > +        return 32;
>> > >> > +    default:
>> > >> > +        return 12;
>> > >> > +    }
>> > >>
>> > >> > +    return 12;
>> > >>
>> > >> This is unreachable and there will be a compiler that barks.
>> > >> Please either remove the line or the default case, same below.
>> > >>
>> > >> > +}
>> > >> > +
>> > >> > +static int option_id_to_mfx_pic_struct(int id) {
>> > >> > +    switch (id) {
>> > >> > +    case 0:
>> > >> > +        return MFX_PICSTRUCT_FIELD_TFF;
>> > >> > +    case 1:
>> > >> > +        return MFX_PICSTRUCT_PROGRESSIVE;
>> > >> > +    case 2:
>> > >> > +        return MFX_PICSTRUCT_FIELD_BFF;
>> > >> > +    default:
>> > >> > +        return MFX_PICSTRUCT_UNKNOWN;
>> > >> > +        break;
>> > >> > +    }
>> > >> > +    return MFX_PICSTRUCT_UNKNOWN; }
>> > >> > +
>> > >> > +static int get_chroma_fourcc(unsigned int fourcc) {
>> > >> > +    switch (fourcc) {
>> > >> > +    case MFX_FOURCC_YUY2:
>> > >> > +        return MFX_CHROMAFORMAT_YUV422;
>> > >> > +    case MFX_FOURCC_RGB4:
>> > >> > +        return MFX_CHROMAFORMAT_YUV444;
>> > >> > +    default:
>> > >> > +        return MFX_CHROMAFORMAT_YUV420;
>> > >> > +    }
>> > >> > +    return MFX_CHROMAFORMAT_YUV420; }
>> > >> > +
>> > >> > +static int avframe_id_to_mfx_pic_struct(AVFrame * pic) {
>> > >> > +    if (!pic->interlaced_frame)
>> > >> > +        return MFX_PICSTRUCT_PROGRESSIVE;
>> > >> > +
>> > >> > +    if (pic->top_field_first == 1)
>> > >> > +        return MFX_PICSTRUCT_FIELD_TFF;
>> > >> > +
>> > >> > +    return MFX_PICSTRUCT_FIELD_BFF; }
>> > >> > +
>> > >> > +static int query_formats(AVFilterContext *ctx) {
>> > >> > +    static const enum AVPixelFormat pix_fmts[] = {
>> > >> > +        AV_PIX_FMT_YUV420P,
>> > >> > +        AV_PIX_FMT_QSV,
>> > >> > +        AV_PIX_FMT_NV12,
>> > >>
>> > >> > +        AV_PIX_FMT_YUYV422,
>> > >>
>> > >> Just looking naively at this, I would expect it to be wrong
>> > (_YUV422P).
>> > >> Looking at the filter function below, I am even more convinced...
>> > >> Did you test it?
>> > >>
>> > >> > +        AV_PIX_FMT_RGB32 ,
>> > >>
>> > >> Trailing whitespace that cannot be committed to our repo, please
>> > >> use tools/patcheck.
>> > >> Could you confirm that the RGB case really works on the alpha
>> plane?
>> > >> And imo, this should be AV_PIX_FMT_RGBA.
>> > >> (But see below, this can't be right afaict.)
>> > >>
>> > >> > +        AV_PIX_FMT_NONE
>> > >> > +    };
>> > >> > +
>> > >> > +    ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
>> > >> > +    return 0;
>> > >> > +}
>> > >> > +
>> > >> > +static int init_vpp_param(AVFilterLink *inlink , AVFrame * pic)
>> {
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp= ctx->priv;
>> > >> > +
>> > >> > +    // input data
>> > >> > +    if (inlink->format == AV_PIX_FMT_YUV420P)
>> > >> > +        vpp->pVppParam->vpp.In.FourCC = MFX_FOURCC_YV12;
>> > >> > +    else if (inlink->format == AV_PIX_FMT_YUYV422)
>> > >>
>> > >> Same here.
>> > >>
>> > >> > +        vpp->pVppParam->vpp.In.FourCC = MFX_FOURCC_YUY2;
>> > >> > +    else if (inlink->format == AV_PIX_FMT_NV12)
>> > >> > +        vpp->pVppParam->vpp.In.FourCC = MFX_FOURCC_NV12;
>> > >> > +    else
>> > >> > +        vpp->pVppParam->vpp.In.FourCC = MFX_FOURCC_RGB4;
>> > >> > +
>> > >> > +    vpp->pVppParam->vpp.In.ChromaFormat =
>> > >> > get_chroma_fourcc(vpp->pVppParam->vpp.In.FourCC); +
>> > >> > vpp->pVppParam->vpp.In.CropX = 0;
>> > >> > +    vpp->pVppParam->vpp.In.CropY = 0;
>> > >> > +    vpp->pVppParam->vpp.In.CropW = inlink->w;
>> > >> > +    vpp->pVppParam->vpp.In.CropH = inlink->h;
>> > >> > +    vpp->pVppParam->vpp.In.PicStruct =
>> > >> avframe_id_to_mfx_pic_struct(pic);
>> > >> > +    vpp->pVppParam->vpp.In.FrameRateExtN = inlink-
>> > >frame_rate.num;
>> > >> > +    vpp->pVppParam->vpp.In.FrameRateExtD = inlink-
>> > >frame_rate.den;
>> > >> > +    vpp->pVppParam->vpp.In.BitDepthLuma   = 8;
>> > >> > +    vpp->pVppParam->vpp.In.BitDepthChroma = 8;
>> > >> > +
>> > >> > +    // width must be a multiple of 16
>> > >> > +    // height must be a multiple of 16 in case of frame picture
>> > >> > + and
>> > >> a
>> > >> > multiple of 32 in case of field picture +    vpp->pVppParam-
>> > >> >vpp.In.Width =
>> > >> > VPP_ALIGN16(inlink->w);
>> > >> > +    vpp->pVppParam->vpp.In.Height =
>> > >> > +        (MFX_PICSTRUCT_PROGRESSIVE == vpp->pVppParam-
>> > >> >vpp.In.PicStruct) ?
>> > >> > +        VPP_ALIGN16(inlink->h) :
>> > >> > +        VPP_ALIGN32(inlink->h);
>> > >> > +
>> > >> > +    // output data
>> > >> > +    vpp->pVppParam->vpp.Out.FourCC = MFX_FOURCC_NV12;
>> > >> > +    vpp->pVppParam->vpp.Out.ChromaFormat =
>> > MFX_CHROMAFORMAT_YUV420;
>> > >> > +    vpp->pVppParam->vpp.Out.CropX = 0;
>> > >> > +    vpp->pVppParam->vpp.Out.CropY = 0;
>> > >> > +    vpp->pVppParam->vpp.Out.CropW = !vpp->out_width ? inlink->w
>> :
>> > >> > vpp->out_width; +    vpp->pVppParam->vpp.Out.CropH = !vpp-
>> > >out_height
>> > >> ?
>> > >> > inlink->h : vpp->out_height; +    vpp->pVppParam-
>> > >vpp.Out.PicStruct =
>> > >> > option_id_to_mfx_pic_struct(vpp->dpic); +
>> > >> > vpp->pVppParam->vpp.Out.FrameRateExtN = vpp->framerate.num;
>> > >> > +    vpp->pVppParam->vpp.Out.FrameRateExtD = vpp->framerate.den;
>> > >> > +    vpp->pVppParam->vpp.Out.BitDepthLuma   = 8;
>> > >> > +    vpp->pVppParam->vpp.Out.BitDepthChroma = 8;
>> > >> > +
>> > >> > +    if ((vpp->pVppParam->vpp.In.FrameRateExtN /
>> > >> > vpp->pVppParam->vpp.In.FrameRateExtD) != +
>> > >> > (vpp->pVppParam->vpp.Out.FrameRateExtN /
>> > >> > vpp->pVppParam->vpp.Out.FrameRateExtD)) +       vpp->use_frc =
>> 1;
>> > >> > +    else
>> > >> > +       vpp->use_frc = 0;
>> > >> > +
>> > >> > +    // width must be a multiple of 16
>> > >> > +    // height must be a multiple of 16 in case of frame picture
>> > >> > + and
>> > >> a
>> > >> > multiple of 32 in case of field picture +    vpp->pVppParam-
>> > >> >vpp.Out.Width
>> > >> > = VPP_ALIGN16(vpp->pVppParam->vpp.Out.CropW); +
>> > >> > vpp->pVppParam->vpp.Out.Height =
>> > >> > +        (MFX_PICSTRUCT_PROGRESSIVE == vpp->pVppParam-
>> > >> >vpp.Out.PicStruct) ?
>> > >> > +        VPP_ALIGN16(vpp->pVppParam->vpp.Out.CropH) :
>> > >> > +        VPP_ALIGN32(vpp->pVppParam->vpp.Out.CropH);
>> > >> > +
>> > >> > +    vpp->pVppParam->IOPattern =
>> > >> > +        MFX_IOPATTERN_IN_SYSTEM_MEMORY |
>> > >> > + MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
>> > >> > +
>> > >> > +    av_log(ctx, AV_LOG_INFO, "In %dx%d %d fps\t Out %dx%d %d
>> > fps\n",
>> > >> > +           VPP_ALIGN32(vpp->pVppParam->vpp.In.Width),
>> > >> > +           VPP_ALIGN32(vpp->pVppParam->vpp.In.Height),
>> > >> > +           vpp->pVppParam->vpp.In.FrameRateExtN /
>> > >> > vpp->pVppParam->vpp.In.FrameRateExtD, +
>> > >> > VPP_ALIGN32(vpp->pVppParam->vpp.Out.Width),
>> > >> > +           VPP_ALIGN32(vpp->pVppParam->vpp.Out.Height),
>> > >> > +           vpp->pVppParam->vpp.Out.FrameRateExtN /
>> > >> > vpp->pVppParam->vpp.Out.FrameRateExtD); +
>> > >> > +    if (vpp->use_frc == 1)
>> > >> > +        av_log(ctx, AV_LOG_INFO, "Framerate conversion
>> > >> > + enabled\n");
>> > >> > +
>> > >> > +    return 0;
>> > >> > +}
>> > >> > +
>> > >> > +static void init_surface(AVFilterLink *inlink) {
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp= ctx->priv;
>> > >> > +
>> > >> > +    int i;
>> > >> > +    unsigned int width = 0;
>> > >> > +    unsigned int height = 0;
>> > >> > +    unsigned int bits_per_pixel = get_bpp(vpp->pVppParam-
>> > >> >vpp.In.FourCC);
>> > >> > +    unsigned int surface_size = 0;
>> > >> > +
>> > >> > +    vpp->num_surfaces_in  = FFMAX(vpp-
>> >req[0].NumFrameSuggested,
>> > >> > vpp->async_depth + vpp->max_b_frames + 1); +    vpp-
>> > >num_surfaces_out
>> > >> =
>> > >> > FFMAX(vpp->req[1].NumFrameSuggested, 1); +
>> > >> > +    width = (unsigned int) VPP_ALIGN32(vpp->pVppParam-
>> > >> >vpp.In.Width);
>> > >> > +    height = (unsigned int) VPP_ALIGN32(vpp->pVppParam-
>> > >> >vpp.In.Height);
>> > >> > +    surface_size = width * height * bits_per_pixel / 8;
>> > >> > +
>> > >> > +    vpp->in_surface = av_mallocz(sizeof(mfxFrameSurface1) *
>> > >> > vpp->num_surfaces_in); +    VPP_CHECK_POINTER(vpp->in_surface);
>> > >> > +    for (i = 0; i < vpp->num_surfaces_in; i++) {
>> > >> > +        vpp->in_surface[i] =
>> > av_mallocz(sizeof(mfxFrameSurface1));
>> > >> > +        VPP_CHECK_POINTER(vpp->in_surface[i]);
>> > >> > +        memset(vpp->in_surface[i], 0,
>> sizeof(mfxFrameSurface1));
>> > >> > +        memcpy(&(vpp->in_surface[i]->Info),
>> > >> > + &(vpp->pVppParam->vpp.In),
>> > >> > sizeof(mfxFrameInfo)); +    }
>> > >> > +
>> > >> > +    bits_per_pixel = 12;
>> > >> > +    width = (unsigned int) VPP_ALIGN32(vpp->pVppParam-
>> > >> >vpp.Out.Width);
>> > >> > +    height = (unsigned int) VPP_ALIGN32(vpp->pVppParam-
>> > >> >vpp.Out.Height);
>> > >> > +    surface_size = width * height * bits_per_pixel / 8;
>> > >> > +    vpp->surface_buffers_out = av_mallocz(surface_size *
>> > >> > vpp->num_surfaces_out); +    VPP_CHECK_POINTER(vpp-
>> > >> >surface_buffers_out);
>> > >> > +
>> > >> > +    vpp->out_surface = av_mallocz(sizeof(mfxFrameSurface1) *
>> > >> > vpp->num_surfaces_out); +    VPP_CHECK_POINTER(vpp-
>> >out_surface);
>> > >> > +    for (i = 0; i < vpp->num_surfaces_out; i++) {
>> > >> > +            vpp->out_surface[i] =
>> > >> av_mallocz(sizeof(mfxFrameSurface1));
>> > >> > +            VPP_CHECK_POINTER(vpp->out_surface[i]);
>> > >> > +            memset(vpp->out_surface[i], 0,
>> > >> sizeof(mfxFrameSurface1));
>> > >> > +            memcpy(&(vpp->out_surface[i]->Info),
>> > >> > &(vpp->pVppParam->vpp.Out), sizeof(mfxFrameInfo)); +
>> > >> > vpp->out_surface[i]->Data.Y =
>> > >> > vpp->&vpp->surface_buffers_out[surface_size
>> > >> *
>> > >> > vpp->i];
>> > >> > +            vpp->out_surface[i]->Data.U = vpp->out_surface[i]-
>> > >> >Data.Y
>> > >> > + +
>> > >> > width * height; +            vpp->out_surface[i]->Data.V =
>> > >> > vpp->out_surface[i]->Data.U + 1; + out_surface[i]->Data.PitchLow
>> > >> > vpp->= width;
>> > >> > +    }
>> > >> > +}
>> > >> > +
>> > >> > +static int config_vpp(AVFilterLink *inlink, AVFrame * pic) {
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp= ctx->priv;
>> > >> > +
>> > >> > +    int ret = 0;
>> > >> > +
>> > >> > +    mfxVideoParam mfxParamsVideo;
>> > >> > +
>> > >> > +    VPP_ZERO_MEMORY(mfxParamsVideo);
>> > >> > +    vpp->pVppParam = &mfxParamsVideo;
>> > >> > +
>> > >> > +    init_vpp_param(inlink, pic);
>> > >> > +
>> > >> > +    vpp->pVppParam->NumExtParam = 0;
>> > >> > +    vpp->frame_number = 0;
>> > >> > +
>> > >> > +    vpp->pVppParam->ExtParam = (mfxExtBuffer**)vpp->pExtBuf;
>> > >> > +
>> > >> > +    if (vpp->deinterlace) {
>> > >> > +        memset(&vpp->deinterlace_conf, 0,
>> > >> sizeof(mfxExtVPPDeinterlacing));
>> > >> > +        vpp->deinterlace_conf.Header.BufferId =
>> > >> > MFX_EXTBUFF_VPP_DEINTERLACING; +
>> > >> > vpp->deinterlace_conf.Header.BufferSz =
>> > >> > vpp->sizeof(mfxExtVPPDeinterlacing); +
>> > >> >      vpp->deinterlace_conf.Mode            = vpp->deinterlace ==
>> 1
>> > ?
>> > >>
>> > >> Imo, this gets much more readable with "vpp->deinterlace ?"
>> > >>
>> > >> > MFX_DEINTERLACING_BOB : MFX_DEINTERLACING_ADVANCED; +
>> > >> > +        vpp->pVppParam->ExtParam[vpp->pVppParam->NumExtParam++]
>> > >> > + =
>> > >> > (mfxExtBuffer*)&(vpp->deinterlace_conf); +    }
>> > >> > +
>> > >> > +    if (vpp->use_frc) {
>> > >> > +        memset(&vpp->frc_conf, 0,
>> > >> sizeof(mfxExtVPPFrameRateConversion));
>> > >> > +        vpp->frc_conf.Header.BufferId =
>> > >> > MFX_EXTBUFF_VPP_FRAME_RATE_CONVERSION; +
>> > >> > vpp->frc_conf.Header.BufferSz =
>> > >> > vpp->sizeof(mfxExtVPPFrameRateConversion);
>> > >> +
>> > >> >    vpp->frc_conf.Algorithm       =
>> MFX_FRCALGM_PRESERVE_TIMESTAMP;
>> > //
>> > >> make
>> > >> > optional +
>> > >> > +        vpp->pVppParam->ExtParam[vpp->pVppParam->NumExtParam++]
>> > >> > + =
>> > >> > (mfxExtBuffer*)&(vpp->frc_conf); +    }
>> > >> > +
>> > >> > +    if (vpp->denoise) {
>> > >> > +        memset(&vpp->denoise_conf, 0,
>> sizeof(mfxExtVPPDenoise));
>> > >> > +        vpp->denoise_conf.Header.BufferId =
>> > MFX_EXTBUFF_VPP_DENOISE;
>> > >> > +        vpp->denoise_conf.Header.BufferSz =
>> > >> sizeof(mfxExtVPPDenoise);
>> > >> > +        vpp->denoise_conf.DenoiseFactor   = vpp->denoise;
>> > >> > +
>> > >> > +        vpp->pVppParam->ExtParam[vpp->pVppParam->NumExtParam++]
>> > >> > + =
>> > >> > (mfxExtBuffer*)&(vpp->denoise_conf); +    }
>> > >> > +
>> > >> > +    if (vpp->detail) {
>> > >> > +        memset(&vpp->detail_conf, 0, sizeof(mfxExtVPPDetail));
>> > >> > +        vpp->detail_conf.Header.BufferId  =
>> > MFX_EXTBUFF_VPP_DETAIL;
>> > >> > +        vpp->detail_conf.Header.BufferSz  =
>> > sizeof(mfxExtVPPDetail);
>> > >> > +        vpp->detail_conf.DetailFactor     = vpp->detail;
>> > >> > +
>> > >> > +        vpp->pVppParam->ExtParam[vpp->pVppParam->NumExtParam++]
>> > >> > + =
>> > >> > (mfxExtBuffer*)&(vpp->detail_conf); +    }
>> > >> > +
>> > >> > +    ret = MFXVideoVPP_Query(vpp->session, vpp->pVppParam,
>> > >> > + vpp->pVppParam);
>> > >> > +
>> > >> > +    if (ret >= MFX_ERR_NONE) {
>> > >> > +        av_log(ctx, AV_LOG_INFO, "MFXVideoVPP_Query returned %d
>> > >> > + \n",
>> > >> ret);
>> > >> > +    } else {
>> > >> > +        av_log(ctx, AV_LOG_ERROR, "Error %d querying the VPP
>> > >> > parameters\n", ret); +        return ff_qsv_error(ret);
>> > >> > +    }
>> > >> > +
>> > >> > +    memset(&vpp->req, 0, sizeof(mfxFrameAllocRequest) * 2);
>> > >> > +    ret = MFXVideoVPP_QueryIOSurf(vpp->session, vpp->pVppParam,
>> > >> > &vpp->req[0]); +
>> > >> > +    if (ret < 0) {
>> > >> > +        av_log(ctx, AV_LOG_ERROR, "Error querying the VPP IO
>> > >> surface\n");
>> > >> > +        return ff_qsv_error(ret);
>> > >> > +    }
>> > >> > +
>> > >> > +    init_surface(inlink);
>> > >> > +
>> > >> > +    ret = MFXVideoVPP_Init(vpp->session, vpp->pVppParam);
>> > >> > +
>> > >> > +    if (MFX_WRN_PARTIAL_ACCELERATION == ret) {
>> > >> > +        av_log(ctx, AV_LOG_WARNING, "VPP will work with partial
>> > HW
>> > >> > acceleration\n"); +    } else if (ret < 0) {
>> > >> > +        av_log(ctx, AV_LOG_ERROR, "Error initializing the
>> > VPP\n");
>> > >> > +        return ff_qsv_error(ret);
>> > >> > +    }
>> > >> > +
>> > >> > +    return 0;
>> > >> > +}
>> > >> > +
>> > >> > +static void free_surface(AVFilterLink *inlink) {
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp= ctx->priv;
>> > >> > +    unsigned int i;
>> > >> > +
>> > >> > +    for (i = 0; i < vpp->num_surfaces_in; i++)
>> > >>
>> > >> > +       av_free(vpp->in_surface[i]);
>> > >>
>> > >> Should be av_freep, same below.
>> > >>
>> > >> > +
>> > >> > +    av_free(vpp->in_surface);
>> > >> > +
>> > >> > +    for (i = 0; i < vpp->num_surfaces_out; i++)
>> > >> > +         av_free(vpp->out_surface[i]);
>> > >> > +
>> > >> > +    av_free(vpp->out_surface);
>> > >> > +
>> > >> > +    av_free(vpp->surface_buffers_out);
>> > >> > +
>> > >> > +    vpp->num_surfaces_in  = 0;
>> > >> > +    vpp->num_surfaces_out = 0;
>> > >> > +}
>> > >> > +
>> > >> > +static int config_input(AVFilterLink *inlink) {
>> > >> > +    AVFilterLink *outlink = inlink->dst->outputs[0];
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp= ctx->priv;
>> > >> > +
>> > >> > +    vpp->out_width = VPP_ALIGN16(vpp->out_width);
>> > >> > +    vpp->out_height = (vpp->dpic == 2) ?
>> > >> > +        VPP_ALIGN16(vpp->out_height) :
>> > >> > +        VPP_ALIGN32(vpp->out_height); // force 32 if unknown
>> > >> > +
>> > >> > +    outlink->w = vpp->out_width;
>> > >> > +    outlink->h = vpp->out_height;
>> > >> > +
>> > >> > +    if (vpp->framerate.den && vpp->framerate.num) {
>> > >> > +        outlink->frame_rate    = vpp->framerate;
>> > >> > +        outlink->time_base     = av_inv_q(vpp->framerate);
>> > >> > +        outlink->time_base.den = outlink->time_base.den * 1000;
>> > >> > +    }
>> > >> > +
>> > >> > +    outlink->format = AV_PIX_FMT_NV12;
>> > >> > +
>> > >> > +    return 0;
>> > >> > +}
>> > >> > +
>> > >> > +static int get_free_surface_index_in(AVFilterContext *ctx,
>> > >> > mfxFrameSurface1 ** surface_pool, int pool_size) +{
>> > >> > +    if (surface_pool) {
>> > >> > +        for (mfxU16 i = 0; i < pool_size; i++) {
>> > >> > +            if (!surface_pool[i]->Data.Locked)
>> > >> > +                return i;
>> > >> > +        }
>> > >> > +    }
>> > >> > +
>> > >> > +    av_log(ctx, AV_LOG_ERROR, "Error getting a free surface,
>> > >> > + pool size is
>> > >> > %d\n", pool_size); +    return MFX_ERR_NOT_FOUND;
>> > >> > +}
>> > >> > +
>> > >> > +static int get_free_surface_index_out(AVFilterContext *ctx,
>> > >> > mfxFrameSurface1 ** surface_pool, int pool_size) +{
>> > >> > +    VPPContext *vpp = ctx->priv;
>> > >> > +
>> > >> > +    if (surface_pool) {
>> > >> > +        for (mfxU16 i = 0; i < pool_size; i++) {
>> > >> > +            if (0 == surface_pool[i]->Data.Locked) {
>> > >> > +                if (i == vpp->cur_out_idx) {
>> > >> > +                   if (vpp->cur_out_idx == pool_size - 1)
>> > >> > +                       vpp->cur_out_idx = 0;
>> > >> > +                   else
>> > >> > +                       vpp->cur_out_idx ++;
>> > >> > +
>> > >> > +                   return i;
>> > >> > +                }
>> > >> > +            }
>> > >> > +        }
>> > >> > +    }
>> > >> > +
>> > >> > +    av_log(ctx, AV_LOG_ERROR, "Error getting a free surface,
>> > >> > + pool size is
>> > >> > %d\n", pool_size); +    return MFX_ERR_NOT_FOUND;
>> > >> > +}
>> > >> > +
>> > >> > +static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
>> {
>> > >> > +    AVFilterContext *ctx = inlink->dst;
>> > >> > +    VPPContext *vpp = ctx->priv;
>> > >> > +
>> > >> > +    mfxSyncPoint sync = NULL;
>> > >> > +    int ret = 0;
>> > >> > +    int filter_frame_ret = 0;
>> > >> > +
>> > >> > +    AVFilterLink *outlink = inlink->dst->outputs[0];
>> > >> > +
>> > >> > +    AVFrame *out;
>> > >> > +
>> > >> > +    int in_idx = 0;
>> > >> > +    int out_idx = 0;
>> > >> > +
>> > >> > +    if (!vpp->frame_number)
>> > >> > +        config_vpp(inlink, picref);
>> > >> > +
>> > >> > +    do {
>> > >> > +        in_idx = get_free_surface_index_in(ctx, vpp-
>> >in_surface,
>> > >> > vpp->num_surfaces_in); +        out_idx =
>> > >> get_free_surface_index_out(ctx,
>> > >> > vpp->out_surface, vpp->num_surfaces_out); +
>> > >>
>> > >> > +        av_assert0(in_idx != MFX_ERR_NOT_FOUND);
>> > >> > +        av_assert0(out_idx != MFX_ERR_NOT_FOUND);
>> > >>
>> > >> I didn't check: Is this really impossible?
>> > >>
>> > >> > +
>> > >> > +        out = ff_get_video_buffer(outlink,
>> > >> > +                                  vpp->out_surface[out_idx]-
>> > >> >Info.Width,
>> > >> > +                                  vpp->out_surface[out_idx]-
>> > >> >Info.Height);
>> > >> > +        if (!out) {
>> > >> > +            av_frame_free(&picref);
>> > >> > +            return AVERROR(ENOMEM);
>> > >> > +        }
>> > >> > +
>> > >> > +        av_frame_copy_props(out, picref);
>> > >> > +
>> > >> > +        // init in surface
>> > >> > +        if (inlink->format == AV_PIX_FMT_NV12) {
>> > >> > +            vpp->in_surface[in_idx]->Data.Y = picref->data[0];
>> > >> > +            vpp->in_surface[in_idx]->Data.VU = picref->data[1];
>> > >> > +            vpp->in_surface[in_idx]->Data.PitchLow = picref-
>> > >> >linesize[0];
>> > >> > +        } else if (inlink->format == AV_PIX_FMT_YUV420P) {
>> > >> > +            vpp->in_surface[in_idx]->Data.Y = picref->data[0];
>> > >> > +            vpp->in_surface[in_idx]->Data.U = picref->data[1];
>> > >> > +            vpp->in_surface[in_idx]->Data.V = picref->data[2];
>> > >> > +            vpp->in_surface[in_idx]->Data.PitchLow =
>> > >> > + picref->linesize[0];
>> > >>
>> > >> > +        } else if (inlink->format == AV_PIX_FMT_YUYV422 ) {
>> > >> > +            vpp->in_surface[in_idx]->Data.Y = picref->data[0];
>> > >> > +            vpp->in_surface[in_idx]->Data.U = picref->data[0] +
>> > 1;
>> > >> > +            vpp->in_surface[in_idx]->Data.V = picref->data[0] +
>> > 3;
>> > >> > +            vpp->in_surface[in_idx]->Data.PitchLow =
>> > >> > + picref->linesize[0];
>> > >>
>> > >> This seems to prove that YUV422P is meant.
>> > >
>> > > Hi Carl,
>> > >
>> > > Sorry for delayed feedback.
>> > >
>> > > According to the documentation
>> > >
>> > > AV_PIX_FMT_YUYV422      packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
>> > > AV_PIX_FMT_YUV422P      planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample
>> > per 2x1 Y samples)
>> > >
>> > > And from Intels header (as expected):
>> > >
>> > >     MFX_FOURCC_YUY2         = MFX_MAKEFOURCC('Y','U','Y','2'),
>> > >
>> > > Which is packed. Did I miss something ?
>> > >
>> >
>> > Passing a packed format using 3 plane pointers is just odd. Did you
>> > test that format specifically? Does it work like this?
>> > Maybe it only needs the Y pointer to the packed data?
>> >
>>
>> Hi Henrik,
>>
>> Sure, I tested that and it works fine. At least this is the same way as
>> it´s done in the samples from Intel.
>>
>> Best,
>> Sven
>
> I guess it´s a good idea to be more specify here, please see
>
> https://software.intel.com/sites/default/files/mediasdk-man.pdf
>
> page 129
>
> Y, U, V, A;
> R, G, B, A;
> Y, Cr, Cb, A;
> Y, CbCr;
> Y, CrCb;
> Y, UV;
> Y, VU;
> Data pointers to corresponding color channels. The frame buffer pointers
> must be 16-byte aligned. The application has to specify pointers to all
> color channels even for packed formats. For example, for YUY2 format
> the application has to specify Y, U and V
>
> This is also the case for RGB32, where PIX_FMT_RGB32 should be used as I did.
> Will summarize this, update my patch and send it again ASAP.
>

Slightly odd concept Intel picked there, but it seems to match the
docs and if its tested as well, then no further comments. ;)


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