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|
/*
* 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
* deinterlace video filter - QSV
*/
#include <mfx/mfxvideo.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/time.h"
#include "libavfilter/qsvvpp.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
enum {
QSVDEINT_MORE_OUTPUT = 1,
QSVDEINT_MORE_INPUT,
};
typedef struct QSVDeintContext {
const AVClass *class;
AVBufferRef *hw_frames_ctx;
/* a clone of the main session, used internally for deinterlacing */
mfxSession session;
mfxMemId *mem_ids;
int nb_mem_ids;
mfxFrameSurface1 **surface_ptrs;
int nb_surface_ptrs;
mfxExtOpaqueSurfaceAlloc opaque_alloc;
mfxExtVPPDeinterlacing deint_conf;
mfxExtBuffer *ext_buffers[2];
int num_ext_buffers;
QSVFrame *work_frames;
int64_t last_pts;
int eof;
/* option for Deinterlacing algorithm to be used */
int mode;
} QSVDeintContext;
static av_cold void qsvdeint_uninit(AVFilterContext *ctx)
{
QSVDeintContext *s = ctx->priv;
QSVFrame *cur;
if (s->session) {
MFXClose(s->session);
s->session = NULL;
}
av_buffer_unref(&s->hw_frames_ctx);
cur = s->work_frames;
while (cur) {
s->work_frames = cur->next;
av_frame_free(&cur->frame);
av_freep(&cur);
cur = s->work_frames;
}
av_freep(&s->mem_ids);
s->nb_mem_ids = 0;
av_freep(&s->surface_ptrs);
s->nb_surface_ptrs = 0;
}
static int qsvdeint_query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pixel_formats[] = {
AV_PIX_FMT_QSV, AV_PIX_FMT_NONE,
};
return ff_set_common_formats_from_list(ctx, pixel_formats);
}
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
mfxFrameAllocResponse *resp)
{
AVFilterContext *ctx = pthis;
QSVDeintContext *s = ctx->priv;
if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
!(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
!(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
return MFX_ERR_UNSUPPORTED;
resp->mids = s->mem_ids;
resp->NumFrameActual = s->nb_mem_ids;
return MFX_ERR_NONE;
}
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
{
return MFX_ERR_NONE;
}
static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
return MFX_ERR_UNSUPPORTED;
}
static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
return MFX_ERR_UNSUPPORTED;
}
static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
{
*hdl = mid;
return MFX_ERR_NONE;
}
static const mfxHandleType handle_types[] = {
MFX_HANDLE_VA_DISPLAY,
MFX_HANDLE_D3D9_DEVICE_MANAGER,
MFX_HANDLE_D3D11_DEVICE,
};
static int init_out_session(AVFilterContext *ctx)
{
QSVDeintContext *s = ctx->priv;
AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)s->hw_frames_ctx->data;
AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
AVQSVDeviceContext *device_hwctx = hw_frames_ctx->device_ctx->hwctx;
int opaque = !!(hw_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
mfxHDL handle = NULL;
mfxHandleType handle_type;
mfxVersion ver;
mfxIMPL impl;
mfxVideoParam par;
mfxStatus err;
int i;
/* extract the properties of the "master" session given to us */
err = MFXQueryIMPL(device_hwctx->session, &impl);
if (err == MFX_ERR_NONE)
err = MFXQueryVersion(device_hwctx->session, &ver);
if (err != MFX_ERR_NONE) {
av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
return AVERROR_UNKNOWN;
}
for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
if (err == MFX_ERR_NONE) {
handle_type = handle_types[i];
break;
}
}
if (err < 0)
return ff_qsvvpp_print_error(ctx, err, "Error getting the session handle");
else if (err > 0) {
ff_qsvvpp_print_warning(ctx, err, "Warning in getting the session handle");
return AVERROR_UNKNOWN;
}
/* create a "slave" session with those same properties, to be used for
* actual deinterlacing */
err = MFXInit(impl, &ver, &s->session);
if (err < 0)
return ff_qsvvpp_print_error(ctx, err, "Error initializing a session for deinterlacing");
else if (err > 0) {
ff_qsvvpp_print_warning(ctx, err, "Warning in session initialization");
return AVERROR_UNKNOWN;
}
if (handle) {
err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
if (err != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
err = MFXJoinSession(device_hwctx->session, s->session);
if (err != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
memset(&par, 0, sizeof(par));
s->deint_conf.Header.BufferId = MFX_EXTBUFF_VPP_DEINTERLACING;
s->deint_conf.Header.BufferSz = sizeof(s->deint_conf);
s->deint_conf.Mode = s->mode;
s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->deint_conf;
if (opaque) {
s->surface_ptrs = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
sizeof(*s->surface_ptrs));
if (!s->surface_ptrs)
return AVERROR(ENOMEM);
for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
s->surface_ptrs[i] = hw_frames_hwctx->surfaces + i;
s->nb_surface_ptrs = hw_frames_hwctx->nb_surfaces;
s->opaque_alloc.In.Surfaces = s->surface_ptrs;
s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs;
s->opaque_alloc.In.Type = hw_frames_hwctx->frame_type;
s->opaque_alloc.Out = s->opaque_alloc.In;
s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->opaque_alloc;
par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
} else {
mfxFrameAllocator frame_allocator = {
.pthis = ctx,
.Alloc = frame_alloc,
.Lock = frame_lock,
.Unlock = frame_unlock,
.GetHDL = frame_get_hdl,
.Free = frame_free,
};
s->mem_ids = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
sizeof(*s->mem_ids));
if (!s->mem_ids)
return AVERROR(ENOMEM);
for (i = 0; i < hw_frames_hwctx->nb_surfaces; i++)
s->mem_ids[i] = hw_frames_hwctx->surfaces[i].Data.MemId;
s->nb_mem_ids = hw_frames_hwctx->nb_surfaces;
err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
if (err != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
}
par.ExtParam = s->ext_buffers;
par.NumExtParam = s->num_ext_buffers;
par.AsyncDepth = 1; // TODO async
par.vpp.In = hw_frames_hwctx->surfaces[0].Info;
par.vpp.In.CropW = ctx->inputs[0]->w;
par.vpp.In.CropH = ctx->inputs[0]->h;
if (ctx->inputs[0]->frame_rate.num) {
par.vpp.In.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
par.vpp.In.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
} else {
par.vpp.In.FrameRateExtN = ctx->inputs[0]->time_base.num;
par.vpp.In.FrameRateExtD = ctx->inputs[0]->time_base.den;
}
par.vpp.Out = par.vpp.In;
if (ctx->outputs[0]->frame_rate.num) {
par.vpp.Out.FrameRateExtN = ctx->outputs[0]->frame_rate.num;
par.vpp.Out.FrameRateExtD = ctx->outputs[0]->frame_rate.den;
} else {
par.vpp.Out.FrameRateExtN = ctx->outputs[0]->time_base.num;
par.vpp.Out.FrameRateExtD = ctx->outputs[0]->time_base.den;
}
/* Print input memory mode */
ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0x0F, "VPP");
/* Print output memory mode */
ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0xF0, "VPP");
err = MFXVideoVPP_Init(s->session, &par);
if (err < 0)
return ff_qsvvpp_print_error(ctx, err,
"Error opening the VPP for deinterlacing");
else if (err > 0) {
ff_qsvvpp_print_warning(ctx, err,
"Warning in VPP initialization");
return AVERROR_UNKNOWN;
}
return 0;
}
static int qsvdeint_config_props(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
AVFilterLink *inlink = ctx->inputs[0];
QSVDeintContext *s = ctx->priv;
int ret;
qsvdeint_uninit(ctx);
s->last_pts = AV_NOPTS_VALUE;
outlink->frame_rate = av_mul_q(inlink->frame_rate,
(AVRational){ 2, 1 });
outlink->time_base = av_mul_q(inlink->time_base,
(AVRational){ 1, 2 });
/* check that we have a hw context */
if (!inlink->hw_frames_ctx) {
av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
return AVERROR(EINVAL);
}
s->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
if (!s->hw_frames_ctx)
return AVERROR(ENOMEM);
av_buffer_unref(&outlink->hw_frames_ctx);
outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
if (!outlink->hw_frames_ctx) {
qsvdeint_uninit(ctx);
return AVERROR(ENOMEM);
}
ret = init_out_session(ctx);
if (ret < 0)
return ret;
return 0;
}
static void clear_unused_frames(QSVDeintContext *s)
{
QSVFrame *cur = s->work_frames;
while (cur) {
if (!cur->surface.Data.Locked) {
av_frame_free(&cur->frame);
cur->queued = 0;
}
cur = cur->next;
}
}
static int get_free_frame(QSVDeintContext *s, QSVFrame **f)
{
QSVFrame *frame, **last;
clear_unused_frames(s);
frame = s->work_frames;
last = &s->work_frames;
while (frame) {
if (!frame->queued) {
*f = frame;
return 0;
}
last = &frame->next;
frame = frame->next;
}
frame = av_mallocz(sizeof(*frame));
if (!frame)
return AVERROR(ENOMEM);
*last = frame;
*f = frame;
return 0;
}
static int submit_frame(AVFilterContext *ctx, AVFrame *frame,
mfxFrameSurface1 **surface)
{
QSVDeintContext *s = ctx->priv;
QSVFrame *qf;
int ret;
ret = get_free_frame(s, &qf);
if (ret < 0)
return ret;
qf->frame = frame;
qf->surface = *(mfxFrameSurface1*)qf->frame->data[3];
qf->surface.Data.Locked = 0;
qf->surface.Info.CropW = qf->frame->width;
qf->surface.Info.CropH = qf->frame->height;
qf->surface.Info.PicStruct = !qf->frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
(qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
MFX_PICSTRUCT_FIELD_BFF);
if (qf->frame->repeat_pict == 1) {
qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
qf->surface.Info.PicStruct |= qf->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
MFX_PICSTRUCT_FIELD_BFF;
} else if (qf->frame->repeat_pict == 2)
qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
else if (qf->frame->repeat_pict == 4)
qf->surface.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
if (ctx->inputs[0]->frame_rate.num) {
qf->surface.Info.FrameRateExtN = ctx->inputs[0]->frame_rate.num;
qf->surface.Info.FrameRateExtD = ctx->inputs[0]->frame_rate.den;
} else {
qf->surface.Info.FrameRateExtN = ctx->inputs[0]->time_base.num;
qf->surface.Info.FrameRateExtD = ctx->inputs[0]->time_base.den;
}
qf->surface.Data.TimeStamp = av_rescale_q(qf->frame->pts,
ctx->inputs[0]->time_base,
(AVRational){1, 90000});
*surface = &qf->surface;
qf->queued = 1;
return 0;
}
static int process_frame(AVFilterContext *ctx, const AVFrame *in,
mfxFrameSurface1 *surf_in)
{
QSVDeintContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out;
mfxFrameSurface1 *surf_out;
mfxSyncPoint sync = NULL;
mfxStatus err;
int ret, again = 0;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
ret = AVERROR(ENOMEM);
goto fail;
}
surf_out = (mfxFrameSurface1*)out->data[3];
surf_out->Info.CropW = outlink->w;
surf_out->Info.CropH = outlink->h;
surf_out->Info.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
do {
err = MFXVideoVPP_RunFrameVPPAsync(s->session, surf_in, surf_out,
NULL, &sync);
if (err == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (err == MFX_WRN_DEVICE_BUSY);
if (err == MFX_ERR_MORE_DATA) {
av_frame_free(&out);
return QSVDEINT_MORE_INPUT;
}
if (err < 0 && err != MFX_ERR_MORE_SURFACE) {
ret = ff_qsvvpp_print_error(ctx, err, "Error during deinterlacing");
goto fail;
}
if (!sync) {
av_log(ctx, AV_LOG_ERROR, "No sync during deinterlacing\n");
ret = AVERROR_UNKNOWN;
goto fail;
}
if (err == MFX_ERR_MORE_SURFACE)
again = 1;
do {
err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
} while (err == MFX_WRN_IN_EXECUTION);
if (err < 0) {
ret = ff_qsvvpp_print_error(ctx, err, "Error synchronizing the operation");
goto fail;
}
ret = av_frame_copy_props(out, in);
if (ret < 0)
goto fail;
out->width = outlink->w;
out->height = outlink->h;
out->interlaced_frame = 0;
out->pts = av_rescale_q(out->pts, inlink->time_base, outlink->time_base);
if (out->pts == s->last_pts)
out->pts++;
s->last_pts = out->pts;
ret = ff_filter_frame(outlink, out);
if (ret < 0)
return ret;
return again ? QSVDEINT_MORE_OUTPUT : 0;
fail:
av_frame_free(&out);
return ret;
}
static int qsvdeint_filter_frame(AVFilterLink *link, AVFrame *in)
{
AVFilterContext *ctx = link->dst;
mfxFrameSurface1 *surf_in;
int ret;
ret = submit_frame(ctx, in, &surf_in);
if (ret < 0) {
av_frame_free(&in);
return ret;
}
do {
ret = process_frame(ctx, in, surf_in);
if (ret < 0)
return ret;
} while (ret == QSVDEINT_MORE_OUTPUT);
return 0;
}
static int qsvdeint_request_frame(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
return ff_request_frame(ctx->inputs[0]);
}
#define OFFSET(x) offsetof(QSVDeintContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
static const AVOption options[] = {
{ "mode", "set deinterlace mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
{ "bob", "bob algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_BOB}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
{ "advanced", "Motion adaptive algorithm", 0, AV_OPT_TYPE_CONST, {.i64 = MFX_DEINTERLACING_ADVANCED}, MFX_DEINTERLACING_BOB, MFX_DEINTERLACING_ADVANCED, FLAGS, "mode"},
{ NULL },
};
static const AVClass qsvdeint_class = {
.class_name = "deinterlace_qsv",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVFilterPad qsvdeint_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = qsvdeint_filter_frame,
},
{ NULL }
};
static const AVFilterPad qsvdeint_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = qsvdeint_config_props,
.request_frame = qsvdeint_request_frame,
},
{ NULL }
};
const AVFilter ff_vf_deinterlace_qsv = {
.name = "deinterlace_qsv",
.description = NULL_IF_CONFIG_SMALL("QuickSync video deinterlacing"),
.uninit = qsvdeint_uninit,
.query_formats = qsvdeint_query_formats,
.priv_size = sizeof(QSVDeintContext),
.priv_class = &qsvdeint_class,
.inputs = qsvdeint_inputs,
.outputs = qsvdeint_outputs,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};
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