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FFmpeg4/libavfilter/qsvvpp.c

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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
* Intel Quick Sync Video VPP base function
*/
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/time.h"
#include "libavutil/pixdesc.h"
#include "internal.h"
#include "qsvvpp.h"
#include "video.h"
#define IS_VIDEO_MEMORY(mode) (mode & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET | \
MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET))
#define IS_OPAQUE_MEMORY(mode) (mode & MFX_MEMTYPE_OPAQUE_FRAME)
#define IS_SYSTEM_MEMORY(mode) (mode & MFX_MEMTYPE_SYSTEM_MEMORY)
typedef struct QSVFrame {
AVFrame *frame;
mfxFrameSurface1 *surface;
mfxFrameSurface1 surface_internal; /* for system memory */
struct QSVFrame *next;
} QSVFrame;
/* abstract struct for all QSV filters */
struct QSVVPPContext {
mfxSession session;
int (*filter_frame) (AVFilterLink *outlink, AVFrame *frame);/* callback */
enum AVPixelFormat out_sw_format; /* Real output format */
mfxVideoParam vpp_param;
mfxFrameInfo *frame_infos; /* frame info for each input */
/* members related to the input/output surface */
int in_mem_mode;
int out_mem_mode;
QSVFrame *in_frame_list;
QSVFrame *out_frame_list;
int nb_surface_ptrs_in;
int nb_surface_ptrs_out;
mfxFrameSurface1 **surface_ptrs_in;
mfxFrameSurface1 **surface_ptrs_out;
/* MFXVPP extern parameters */
mfxExtOpaqueSurfaceAlloc opaque_alloc;
mfxExtBuffer **ext_buffers;
int nb_ext_buffers;
};
static const mfxHandleType handle_types[] = {
MFX_HANDLE_VA_DISPLAY,
MFX_HANDLE_D3D9_DEVICE_MANAGER,
MFX_HANDLE_D3D11_DEVICE,
};
static const AVRational default_tb = { 1, 90000 };
/* functions for frameAlloc */
static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
mfxFrameAllocResponse *resp)
{
QSVVPPContext *s = pthis;
int i;
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;
if (req->Type & MFX_MEMTYPE_FROM_VPPIN) {
resp->mids = av_mallocz(s->nb_surface_ptrs_in * sizeof(*resp->mids));
if (!resp->mids)
return AVERROR(ENOMEM);
for (i = 0; i < s->nb_surface_ptrs_in; i++)
resp->mids[i] = s->surface_ptrs_in[i]->Data.MemId;
resp->NumFrameActual = s->nb_surface_ptrs_in;
} else {
resp->mids = av_mallocz(s->nb_surface_ptrs_out * sizeof(*resp->mids));
if (!resp->mids)
return AVERROR(ENOMEM);
for (i = 0; i < s->nb_surface_ptrs_out; i++)
resp->mids[i] = s->surface_ptrs_out[i]->Data.MemId;
resp->NumFrameActual = s->nb_surface_ptrs_out;
}
return MFX_ERR_NONE;
}
static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
{
av_freep(&resp->mids);
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 int pix_fmt_to_mfx_fourcc(int format)
{
switch (format) {
case AV_PIX_FMT_YUV420P:
return MFX_FOURCC_YV12;
case AV_PIX_FMT_NV12:
return MFX_FOURCC_NV12;
case AV_PIX_FMT_YUYV422:
return MFX_FOURCC_YUY2;
case AV_PIX_FMT_BGRA:
return MFX_FOURCC_RGB4;
}
return MFX_FOURCC_NV12;
}
static int map_frame_to_surface(AVFrame *frame, mfxFrameSurface1 *surface)
{
switch (frame->format) {
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_P010:
surface->Data.Y = frame->data[0];
surface->Data.UV = frame->data[1];
break;
case AV_PIX_FMT_YUV420P:
surface->Data.Y = frame->data[0];
surface->Data.U = frame->data[1];
surface->Data.V = frame->data[2];
break;
case AV_PIX_FMT_YUYV422:
surface->Data.Y = frame->data[0];
surface->Data.U = frame->data[0] + 1;
surface->Data.V = frame->data[0] + 3;
break;
case AV_PIX_FMT_RGB32:
surface->Data.B = frame->data[0];
surface->Data.G = frame->data[0] + 1;
surface->Data.R = frame->data[0] + 2;
surface->Data.A = frame->data[0] + 3;
break;
default:
return MFX_ERR_UNSUPPORTED;
}
surface->Data.Pitch = frame->linesize[0];
return 0;
}
/* fill the surface info */
static int fill_frameinfo_by_link(mfxFrameInfo *frameinfo, AVFilterLink *link)
{
enum AVPixelFormat pix_fmt;
AVHWFramesContext *frames_ctx;
AVQSVFramesContext *frames_hwctx;
const AVPixFmtDescriptor *desc;
if (link->format == AV_PIX_FMT_QSV) {
if (!link->hw_frames_ctx)
return AVERROR(EINVAL);
frames_ctx = (AVHWFramesContext *)link->hw_frames_ctx->data;
frames_hwctx = frames_ctx->hwctx;
*frameinfo = frames_hwctx->surfaces[0].Info;
} else {
pix_fmt = link->format;
desc = av_pix_fmt_desc_get(pix_fmt);
if (!desc)
return AVERROR_BUG;
frameinfo->CropX = 0;
frameinfo->CropY = 0;
frameinfo->Width = FFALIGN(link->w, 32);
frameinfo->Height = FFALIGN(link->h, 32);
frameinfo->PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
frameinfo->FourCC = pix_fmt_to_mfx_fourcc(pix_fmt);
frameinfo->BitDepthLuma = desc->comp[0].depth;
frameinfo->BitDepthChroma = desc->comp[0].depth;
frameinfo->Shift = desc->comp[0].depth > 8;
if (desc->log2_chroma_w && desc->log2_chroma_h)
frameinfo->ChromaFormat = MFX_CHROMAFORMAT_YUV420;
else if (desc->log2_chroma_w)
frameinfo->ChromaFormat = MFX_CHROMAFORMAT_YUV422;
else
frameinfo->ChromaFormat = MFX_CHROMAFORMAT_YUV444;
}
frameinfo->CropW = link->w;
frameinfo->CropH = link->h;
frameinfo->FrameRateExtN = link->frame_rate.num;
frameinfo->FrameRateExtD = link->frame_rate.den;
frameinfo->AspectRatioW = link->sample_aspect_ratio.num ? link->sample_aspect_ratio.num : 1;
frameinfo->AspectRatioH = link->sample_aspect_ratio.den ? link->sample_aspect_ratio.den : 1;
return 0;
}
static void clear_unused_frames(QSVFrame *list)
{
while (list) {
if (list->surface && !list->surface->Data.Locked) {
list->surface = NULL;
av_frame_free(&list->frame);
}
list = list->next;
}
}
static void clear_frame_list(QSVFrame **list)
{
while (*list) {
QSVFrame *frame;
frame = *list;
*list = (*list)->next;
av_frame_free(&frame->frame);
av_freep(&frame);
}
}
static QSVFrame *get_free_frame(QSVFrame **list)
{
QSVFrame *out = *list;
for (; out; out = out->next) {
if (!out->surface)
break;
}
if (!out) {
out = av_mallocz(sizeof(*out));
if (!out) {
av_log(NULL, AV_LOG_ERROR, "Can't alloc new output frame.\n");
return NULL;
}
out->next = *list;
*list = out;
}
return out;
}
/* get the input surface */
static QSVFrame *submit_frame(QSVVPPContext *s, AVFilterLink *inlink, AVFrame *picref)
{
QSVFrame *qsv_frame;
AVFilterContext *ctx = inlink->dst;
clear_unused_frames(s->in_frame_list);
qsv_frame = get_free_frame(&s->in_frame_list);
if (!qsv_frame)
return NULL;
/* Turn AVFrame into mfxFrameSurface1.
* For video/opaque memory mode, pix_fmt is AV_PIX_FMT_QSV, and
* mfxFrameSurface1 is stored in AVFrame->data[3];
* for system memory mode, raw video data is stored in
* AVFrame, we should map it into mfxFrameSurface1.
*/
if (!IS_SYSTEM_MEMORY(s->in_mem_mode)) {
if (picref->format != AV_PIX_FMT_QSV) {
av_log(ctx, AV_LOG_ERROR, "QSVVPP gets a wrong frame.\n");
return NULL;
}
qsv_frame->frame = av_frame_clone(picref);
qsv_frame->surface = (mfxFrameSurface1 *)qsv_frame->frame->data[3];
} else {
/* make a copy if the input is not padded as libmfx requires */
if (picref->height & 31 || picref->linesize[0] & 31) {
qsv_frame->frame = ff_get_video_buffer(inlink,
FFALIGN(inlink->w, 32),
FFALIGN(inlink->h, 32));
if (!qsv_frame->frame)
return NULL;
qsv_frame->frame->width = picref->width;
qsv_frame->frame->height = picref->height;
if (av_frame_copy(qsv_frame->frame, picref) < 0) {
av_frame_free(&qsv_frame->frame);
return NULL;
}
av_frame_copy_props(qsv_frame->frame, picref);
} else
qsv_frame->frame = av_frame_clone(picref);
if (map_frame_to_surface(qsv_frame->frame,
&qsv_frame->surface_internal) < 0) {
av_log(ctx, AV_LOG_ERROR, "Unsupported frame.\n");
return NULL;
}
qsv_frame->surface = &qsv_frame->surface_internal;
}
qsv_frame->surface->Info = s->frame_infos[FF_INLINK_IDX(inlink)];
qsv_frame->surface->Data.TimeStamp = av_rescale_q(qsv_frame->frame->pts,
inlink->time_base, default_tb);
qsv_frame->surface->Info.PicStruct =
!qsv_frame->frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
(qsv_frame->frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
MFX_PICSTRUCT_FIELD_BFF);
if (qsv_frame->frame->repeat_pict == 1)
qsv_frame->surface->Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
else if (qsv_frame->frame->repeat_pict == 2)
qsv_frame->surface->Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
else if (qsv_frame->frame->repeat_pict == 4)
qsv_frame->surface->Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
return qsv_frame;
}
/* get the output surface */
static QSVFrame *query_frame(QSVVPPContext *s, AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
QSVFrame *out_frame;
int ret;
clear_unused_frames(s->out_frame_list);
out_frame = get_free_frame(&s->out_frame_list);
if (!out_frame)
return NULL;
/* For video memory, get a hw frame;
* For system memory, get a sw frame and map it into a mfx_surface. */
if (!IS_SYSTEM_MEMORY(s->out_mem_mode)) {
out_frame->frame = av_frame_alloc();
if (!out_frame->frame)
return NULL;
ret = av_hwframe_get_buffer(outlink->hw_frames_ctx, out_frame->frame, 0);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR, "Can't allocate a surface.\n");
return NULL;
}
out_frame->surface = (mfxFrameSurface1 *)out_frame->frame->data[3];
} else {
/* Get a frame with aligned dimensions.
* Libmfx need system memory being 128x64 aligned */
out_frame->frame = ff_get_video_buffer(outlink,
FFALIGN(outlink->w, 128),
FFALIGN(outlink->h, 64));
if (!out_frame->frame)
return NULL;
out_frame->frame->width = outlink->w;
out_frame->frame->height = outlink->h;
ret = map_frame_to_surface(out_frame->frame,
&out_frame->surface_internal);
if (ret < 0)
return NULL;
out_frame->surface = &out_frame->surface_internal;
}
out_frame->surface->Info = s->vpp_param.vpp.Out;
return out_frame;
}
/* create the QSV session */
static int init_vpp_session(AVFilterContext *avctx, QSVVPPContext *s)
{
AVFilterLink *inlink = avctx->inputs[0];
AVFilterLink *outlink = avctx->outputs[0];
AVQSVFramesContext *in_frames_hwctx = NULL;
AVQSVFramesContext *out_frames_hwctx = NULL;
AVBufferRef *device_ref;
AVHWDeviceContext *device_ctx;
AVQSVDeviceContext *device_hwctx;
mfxHDL handle;
mfxHandleType handle_type;
mfxVersion ver;
mfxIMPL impl;
int ret, i;
if (inlink->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext *)inlink->hw_frames_ctx->data;
device_ref = frames_ctx->device_ref;
in_frames_hwctx = frames_ctx->hwctx;
s->in_mem_mode = in_frames_hwctx->frame_type;
s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
sizeof(*s->surface_ptrs_in));
if (!s->surface_ptrs_in)
return AVERROR(ENOMEM);
for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i;
s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces;
} else if (avctx->hw_device_ctx) {
device_ref = avctx->hw_device_ctx;
s->in_mem_mode = MFX_MEMTYPE_SYSTEM_MEMORY;
} else {
av_log(avctx, AV_LOG_ERROR, "No hw context provided.\n");
return AVERROR(EINVAL);
}
device_ctx = (AVHWDeviceContext *)device_ref->data;
device_hwctx = device_ctx->hwctx;
if (outlink->format == AV_PIX_FMT_QSV) {
AVHWFramesContext *out_frames_ctx;
AVBufferRef *out_frames_ref = av_hwframe_ctx_alloc(device_ref);
if (!out_frames_ref)
return AVERROR(ENOMEM);
s->out_mem_mode = IS_OPAQUE_MEMORY(s->in_mem_mode) ?
MFX_MEMTYPE_OPAQUE_FRAME :
MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
out_frames_ctx = (AVHWFramesContext *)out_frames_ref->data;
out_frames_hwctx = out_frames_ctx->hwctx;
out_frames_ctx->format = AV_PIX_FMT_QSV;
out_frames_ctx->width = FFALIGN(outlink->w, 32);
out_frames_ctx->height = FFALIGN(outlink->h, 32);
out_frames_ctx->sw_format = s->out_sw_format;
out_frames_ctx->initial_pool_size = 64;
if (avctx->extra_hw_frames > 0)
out_frames_ctx->initial_pool_size += avctx->extra_hw_frames;
out_frames_hwctx->frame_type = s->out_mem_mode;
ret = av_hwframe_ctx_init(out_frames_ref);
if (ret < 0) {
av_buffer_unref(&out_frames_ref);
av_log(avctx, AV_LOG_ERROR, "Error creating frames_ctx for output pad.\n");
return ret;
}
s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
sizeof(*s->surface_ptrs_out));
if (!s->surface_ptrs_out) {
av_buffer_unref(&out_frames_ref);
return AVERROR(ENOMEM);
}
for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
s->surface_ptrs_out[i] = out_frames_hwctx->surfaces + i;
s->nb_surface_ptrs_out = out_frames_hwctx->nb_surfaces;
av_buffer_unref(&outlink->hw_frames_ctx);
outlink->hw_frames_ctx = out_frames_ref;
} else
s->out_mem_mode = MFX_MEMTYPE_SYSTEM_MEMORY;
/* extract the properties of the "master" session given to us */
ret = MFXQueryIMPL(device_hwctx->session, &impl);
if (ret == MFX_ERR_NONE)
ret = MFXQueryVersion(device_hwctx->session, &ver);
if (ret != MFX_ERR_NONE) {
av_log(avctx, AV_LOG_ERROR, "Error querying the session attributes\n");
return AVERROR_UNKNOWN;
}
for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
ret = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
if (ret == MFX_ERR_NONE) {
handle_type = handle_types[i];
break;
}
}
if (ret != MFX_ERR_NONE) {
av_log(avctx, AV_LOG_ERROR, "Error getting the session handle\n");
return AVERROR_UNKNOWN;
}
/* create a "slave" session with those same properties, to be used for vpp */
ret = MFXInit(impl, &ver, &s->session);
if (ret != MFX_ERR_NONE) {
av_log(avctx, AV_LOG_ERROR, "Error initializing a session for scaling\n");
return AVERROR_UNKNOWN;
}
if (handle) {
ret = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
if (ret != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
ret = MFXJoinSession(device_hwctx->session, s->session);
if (ret != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
if (IS_OPAQUE_MEMORY(s->in_mem_mode) || IS_OPAQUE_MEMORY(s->out_mem_mode)) {
s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;
s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs_in;
s->opaque_alloc.In.Type = s->in_mem_mode;
s->opaque_alloc.Out.Surfaces = s->surface_ptrs_out;
s->opaque_alloc.Out.NumSurface = s->nb_surface_ptrs_out;
s->opaque_alloc.Out.Type = s->out_mem_mode;
s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
} else if (IS_VIDEO_MEMORY(s->in_mem_mode) || IS_VIDEO_MEMORY(s->out_mem_mode)) {
mfxFrameAllocator frame_allocator = {
.pthis = s,
.Alloc = frame_alloc,
.Lock = frame_lock,
.Unlock = frame_unlock,
.GetHDL = frame_get_hdl,
.Free = frame_free,
};
ret = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
if (ret != MFX_ERR_NONE)
return AVERROR_UNKNOWN;
}
return 0;
}
int ff_qsvvpp_create(AVFilterContext *avctx, QSVVPPContext **vpp, QSVVPPParam *param)
{
int i;
int ret;
QSVVPPContext *s;
s = av_mallocz(sizeof(*s));
if (!s)
return AVERROR(ENOMEM);
s->filter_frame = param->filter_frame;
if (!s->filter_frame)
s->filter_frame = ff_filter_frame;
s->out_sw_format = param->out_sw_format;
/* create the vpp session */
ret = init_vpp_session(avctx, s);
if (ret < 0)
goto failed;
s->frame_infos = av_mallocz_array(avctx->nb_inputs, sizeof(*s->frame_infos));
if (!s->frame_infos) {
ret = AVERROR(ENOMEM);
goto failed;
}
/* Init each input's information */
for (i = 0; i < avctx->nb_inputs; i++) {
ret = fill_frameinfo_by_link(&s->frame_infos[i], avctx->inputs[i]);
if (ret < 0)
goto failed;
}
/* Update input's frame info according to crop */
for (i = 0; i < param->num_crop; i++) {
QSVVPPCrop *crop = param->crop + i;
if (crop->in_idx > avctx->nb_inputs) {
ret = AVERROR(EINVAL);
goto failed;
}
s->frame_infos[crop->in_idx].CropX = crop->x;
s->frame_infos[crop->in_idx].CropY = crop->y;
s->frame_infos[crop->in_idx].CropW = crop->w;
s->frame_infos[crop->in_idx].CropH = crop->h;
}
s->vpp_param.vpp.In = s->frame_infos[0];
ret = fill_frameinfo_by_link(&s->vpp_param.vpp.Out, avctx->outputs[0]);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Fail to get frame info from link.\n");
goto failed;
}
if (IS_OPAQUE_MEMORY(s->in_mem_mode) || IS_OPAQUE_MEMORY(s->out_mem_mode)) {
s->nb_ext_buffers = param->num_ext_buf + 1;
s->ext_buffers = av_mallocz_array(s->nb_ext_buffers, sizeof(*s->ext_buffers));
if (!s->ext_buffers) {
ret = AVERROR(ENOMEM);
goto failed;
}
s->ext_buffers[0] = (mfxExtBuffer *)&s->opaque_alloc;
for (i = 1; i < param->num_ext_buf; i++)
s->ext_buffers[i] = param->ext_buf[i - 1];
s->vpp_param.ExtParam = s->ext_buffers;
s->vpp_param.NumExtParam = s->nb_ext_buffers;
} else {
s->vpp_param.NumExtParam = param->num_ext_buf;
s->vpp_param.ExtParam = param->ext_buf;
}
s->vpp_param.AsyncDepth = 1;
if (IS_SYSTEM_MEMORY(s->in_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_IN_SYSTEM_MEMORY;
else if (IS_VIDEO_MEMORY(s->in_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_IN_VIDEO_MEMORY;
else if (IS_OPAQUE_MEMORY(s->in_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_IN_OPAQUE_MEMORY;
if (IS_SYSTEM_MEMORY(s->out_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
else if (IS_VIDEO_MEMORY(s->out_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_OUT_VIDEO_MEMORY;
else if (IS_OPAQUE_MEMORY(s->out_mem_mode))
s->vpp_param.IOPattern |= MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
ret = MFXVideoVPP_Init(s->session, &s->vpp_param);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to create a qsvvpp, ret = %d.\n", ret);
goto failed;
}
*vpp = s;
return 0;
failed:
ff_qsvvpp_free(&s);
return ret;
}
int ff_qsvvpp_free(QSVVPPContext **vpp)
{
QSVVPPContext *s = *vpp;
if (!s)
return 0;
if (s->session) {
MFXVideoVPP_Close(s->session);
MFXClose(s->session);
}
/* release all the resources */
clear_frame_list(&s->in_frame_list);
clear_frame_list(&s->out_frame_list);
av_freep(&s->surface_ptrs_in);
av_freep(&s->surface_ptrs_out);
av_freep(&s->ext_buffers);
av_freep(&s->frame_infos);
av_freep(vpp);
return 0;
}
int ff_qsvvpp_filter_frame(QSVVPPContext *s, AVFilterLink *inlink, AVFrame *picref)
{
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
mfxSyncPoint sync;
QSVFrame *in_frame, *out_frame;
int ret, filter_ret;
in_frame = submit_frame(s, inlink, picref);
if (!in_frame) {
av_log(ctx, AV_LOG_ERROR, "Failed to submit frame on input[%d]\n",
FF_INLINK_IDX(inlink));
return AVERROR(ENOMEM);
}
do {
out_frame = query_frame(s, outlink);
if (!out_frame) {
av_log(ctx, AV_LOG_ERROR, "Failed to query an output frame.\n");
return AVERROR(ENOMEM);
}
do {
ret = MFXVideoVPP_RunFrameVPPAsync(s->session, in_frame->surface,
out_frame->surface, NULL, &sync);
if (ret == MFX_WRN_DEVICE_BUSY)
av_usleep(500);
} while (ret == MFX_WRN_DEVICE_BUSY);
if (ret < 0 && ret != MFX_ERR_MORE_SURFACE) {
/* Ignore more_data error */
if (ret == MFX_ERR_MORE_DATA)
ret = AVERROR(EAGAIN);
break;
}
if (MFXVideoCORE_SyncOperation(s->session, sync, 1000) < 0)
av_log(ctx, AV_LOG_WARNING, "Sync failed.\n");
out_frame->frame->pts = av_rescale_q(out_frame->surface->Data.TimeStamp,
default_tb, outlink->time_base);
filter_ret = s->filter_frame(outlink, out_frame->frame);
if (filter_ret < 0) {
av_frame_free(&out_frame->frame);
ret = filter_ret;
break;
}
out_frame->frame = NULL;
} while(ret == MFX_ERR_MORE_SURFACE);
return ret;
}
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