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FFmpeg/libavcodec/qsv.c
Andreas Rheinhardt 1ea3650823 Replace all occurences of av_mallocz_array() by av_calloc() 
They do the same.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-09-20 01:03:52 +02:00

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/*
* Intel MediaSDK QSV encoder/decoder shared code
*
* 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
*/
#include <mfx/mfxvideo.h>
#include <mfx/mfxplugin.h>
#include <mfx/mfxjpeg.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/error.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/imgutils.h"
#include "libavutil/avassert.h"
#include "avcodec.h"
#include "qsv_internal.h"
#define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
#if QSV_VERSION_ATLEAST(1, 12)
#include "mfx/mfxvp8.h"
#endif
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
{
switch (codec_id) {
case AV_CODEC_ID_H264:
return MFX_CODEC_AVC;
#if QSV_VERSION_ATLEAST(1, 8)
case AV_CODEC_ID_HEVC:
return MFX_CODEC_HEVC;
#endif
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_MPEG2VIDEO:
return MFX_CODEC_MPEG2;
case AV_CODEC_ID_VC1:
return MFX_CODEC_VC1;
#if QSV_VERSION_ATLEAST(1, 12)
case AV_CODEC_ID_VP8:
return MFX_CODEC_VP8;
#endif
case AV_CODEC_ID_MJPEG:
return MFX_CODEC_JPEG;
#if QSV_VERSION_ATLEAST(1, 19)
case AV_CODEC_ID_VP9:
return MFX_CODEC_VP9;
#endif
#if QSV_VERSION_ATLEAST(1, 34)
case AV_CODEC_ID_AV1:
return MFX_CODEC_AV1;
#endif
default:
break;
}
return AVERROR(ENOSYS);
}
static const struct {
int mfx_iopattern;
const char *desc;
} qsv_iopatterns[] = {
{MFX_IOPATTERN_IN_VIDEO_MEMORY, "input is video memory surface" },
{MFX_IOPATTERN_IN_SYSTEM_MEMORY, "input is system memory surface" },
{MFX_IOPATTERN_IN_OPAQUE_MEMORY, "input is opaque memory surface" },
{MFX_IOPATTERN_OUT_VIDEO_MEMORY, "output is video memory surface" },
{MFX_IOPATTERN_OUT_SYSTEM_MEMORY, "output is system memory surface" },
{MFX_IOPATTERN_OUT_OPAQUE_MEMORY, "output is opaque memory surface" },
};
int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern,
const char *extra_string)
{
const char *desc = NULL;
for (int i = 0; i < FF_ARRAY_ELEMS(qsv_iopatterns); i++) {
if (qsv_iopatterns[i].mfx_iopattern == mfx_iopattern) {
desc = qsv_iopatterns[i].desc;
}
}
if (!desc)
desc = "unknown iopattern";
av_log(log_ctx, AV_LOG_VERBOSE, "%s: %s\n", extra_string, desc);
return 0;
}
static const struct {
mfxStatus mfxerr;
int averr;
const char *desc;
} qsv_errors[] = {
{ MFX_ERR_NONE, 0, "success" },
{ MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
{ MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
{ MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
{ MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
{ MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
{ MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
{ MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
{ MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
{ MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
/* the following 3 errors should always be handled explicitly, so those "mappings"
* are for completeness only */
{ MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
{ MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
{ MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
{ MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
{ MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
{ MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
{ MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
{ MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
{ MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
{ MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
{ MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
{ MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
{ MFX_WRN_DEVICE_BUSY, 0, "device busy" },
{ MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
{ MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
{ MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
{ MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
{ MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
{ MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
{ MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
};
/**
* Convert a libmfx error code into an FFmpeg error code.
*/
static int qsv_map_error(mfxStatus mfx_err, const char **desc)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
if (qsv_errors[i].mfxerr == mfx_err) {
if (desc)
*desc = qsv_errors[i].desc;
return qsv_errors[i].averr;
}
}
if (desc)
*desc = "unknown error";
return AVERROR_UNKNOWN;
}
int ff_qsv_print_error(void *log_ctx, mfxStatus err,
const char *error_string)
{
const char *desc;
int ret = qsv_map_error(err, &desc);
av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
return ret;
}
int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
const char *warning_string)
{
const char *desc;
int ret = qsv_map_error(err, &desc);
av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
return ret;
}
enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
{
switch (fourcc) {
case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
#if CONFIG_VAAPI
case MFX_FOURCC_YUY2: return AV_PIX_FMT_YUYV422;
#if QSV_VERSION_ATLEAST(1, 27)
case MFX_FOURCC_Y210: return AV_PIX_FMT_Y210;
#endif
#endif
}
return AV_PIX_FMT_NONE;
}
int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
{
switch (format) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUVJ420P:
case AV_PIX_FMT_NV12:
*fourcc = MFX_FOURCC_NV12;
return AV_PIX_FMT_NV12;
case AV_PIX_FMT_YUV420P10:
case AV_PIX_FMT_P010:
*fourcc = MFX_FOURCC_P010;
return AV_PIX_FMT_P010;
#if CONFIG_VAAPI
case AV_PIX_FMT_YUV422P:
case AV_PIX_FMT_YUYV422:
*fourcc = MFX_FOURCC_YUY2;
return AV_PIX_FMT_YUYV422;
#if QSV_VERSION_ATLEAST(1, 27)
case AV_PIX_FMT_YUV422P10:
case AV_PIX_FMT_Y210:
*fourcc = MFX_FOURCC_Y210;
return AV_PIX_FMT_Y210;
#endif
#endif
default:
return AVERROR(ENOSYS);
}
}
int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
{
int i;
for (i = 0; i < ctx->nb_mids; i++) {
QSVMid *mid = &ctx->mids[i];
mfxHDLPair *pair = (mfxHDLPair*)frame->surface.Data.MemId;
if ((mid->handle_pair->first == pair->first) &&
(mid->handle_pair->second == pair->second))
return i;
}
return AVERROR_BUG;
}
enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
{
enum AVFieldOrder field = AV_FIELD_UNKNOWN;
switch (mfx_pic_struct & 0xF) {
case MFX_PICSTRUCT_PROGRESSIVE:
field = AV_FIELD_PROGRESSIVE;
break;
case MFX_PICSTRUCT_FIELD_TFF:
field = AV_FIELD_TT;
break;
case MFX_PICSTRUCT_FIELD_BFF:
field = AV_FIELD_BB;
break;
}
return field;
}
enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
{
enum AVPictureType type;
switch (mfx_pic_type & 0x7) {
case MFX_FRAMETYPE_I:
if (mfx_pic_type & MFX_FRAMETYPE_S)
type = AV_PICTURE_TYPE_SI;
else
type = AV_PICTURE_TYPE_I;
break;
case MFX_FRAMETYPE_B:
type = AV_PICTURE_TYPE_B;
break;
case MFX_FRAMETYPE_P:
if (mfx_pic_type & MFX_FRAMETYPE_S)
type = AV_PICTURE_TYPE_SP;
else
type = AV_PICTURE_TYPE_P;
break;
case MFX_FRAMETYPE_UNKNOWN:
type = AV_PICTURE_TYPE_NONE;
break;
default:
av_assert0(0);
}
return type;
}
static int qsv_load_plugins(mfxSession session, const char *load_plugins,
void *logctx)
{
if (!load_plugins || !*load_plugins)
return 0;
while (*load_plugins) {
mfxPluginUID uid;
mfxStatus ret;
int i, err = 0;
char *plugin = av_get_token(&load_plugins, ":");
if (!plugin)
return AVERROR(ENOMEM);
if (strlen(plugin) != 2 * sizeof(uid.Data)) {
av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
err = AVERROR(EINVAL);
goto load_plugin_fail;
}
for (i = 0; i < sizeof(uid.Data); i++) {
err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
if (err != 1) {
av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
err = AVERROR(EINVAL);
goto load_plugin_fail;
}
}
ret = MFXVideoUSER_Load(session, &uid, 1);
if (ret < 0) {
char errorbuf[128];
snprintf(errorbuf, sizeof(errorbuf),
"Could not load the requested plugin '%s'", plugin);
err = ff_qsv_print_error(logctx, ret, errorbuf);
goto load_plugin_fail;
}
if (*load_plugins)
load_plugins++;
load_plugin_fail:
av_freep(&plugin);
if (err < 0)
return err;
}
return 0;
}
//This code is only required for Linux since a display handle is required.
//For Windows the session is complete and ready to use.
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
static int ff_qsv_set_display_handle(AVCodecContext *avctx, QSVSession *qs)
{
AVDictionary *child_device_opts = NULL;
AVVAAPIDeviceContext *hwctx;
int ret;
av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
av_dict_set(&child_device_opts, "driver", "iHD", 0);
ret = av_hwdevice_ctx_create(&qs->va_device_ref, AV_HWDEVICE_TYPE_VAAPI, NULL, child_device_opts, 0);
av_dict_free(&child_device_opts);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to create a VAAPI device.\n");
return ret;
} else {
qs->va_device_ctx = (AVHWDeviceContext*)qs->va_device_ref->data;
hwctx = qs->va_device_ctx->hwctx;
ret = MFXVideoCORE_SetHandle(qs->session,
(mfxHandleType)MFX_HANDLE_VA_DISPLAY, (mfxHDL)hwctx->display);
if (ret < 0) {
return ff_qsv_print_error(avctx, ret, "Error during set display handle\n");
}
}
return 0;
}
#endif //AVCODEC_QSV_LINUX_SESSION_HANDLE
int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
const char *load_plugins, int gpu_copy)
{
#if CONFIG_D3D11VA
mfxIMPL impl = MFX_IMPL_AUTO_ANY | MFX_IMPL_VIA_D3D11;
#else
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
#endif
mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
const char *desc;
int ret;
#if QSV_VERSION_ATLEAST(1, 16)
init_par.GPUCopy = gpu_copy;
#endif
init_par.Implementation = impl;
init_par.Version = ver;
ret = MFXInitEx(init_par, &qs->session);
if (ret < 0)
return ff_qsv_print_error(avctx, ret,
"Error initializing an internal MFX session");
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
ret = ff_qsv_set_display_handle(avctx, qs);
if (ret < 0)
return ret;
#endif
ret = qsv_load_plugins(qs->session, load_plugins, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
return ret;
}
MFXQueryIMPL(qs->session, &impl);
switch (MFX_IMPL_BASETYPE(impl)) {
case MFX_IMPL_SOFTWARE:
desc = "software";
break;
case MFX_IMPL_HARDWARE:
case MFX_IMPL_HARDWARE2:
case MFX_IMPL_HARDWARE3:
case MFX_IMPL_HARDWARE4:
desc = "hardware accelerated";
break;
default:
desc = "unknown";
}
av_log(avctx, AV_LOG_VERBOSE,
"Initialized an internal MFX session using %s implementation\n",
desc);
return 0;
}
static void mids_buf_free(void *opaque, uint8_t *data)
{
AVBufferRef *hw_frames_ref = opaque;
av_buffer_unref(&hw_frames_ref);
av_freep(&data);
}
static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
{
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
int nb_surfaces = frames_hwctx->nb_surfaces;
AVBufferRef *mids_buf, *hw_frames_ref1;
QSVMid *mids;
int i;
hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
if (!hw_frames_ref1)
return NULL;
mids = av_calloc(nb_surfaces, sizeof(*mids));
if (!mids) {
av_buffer_unref(&hw_frames_ref1);
return NULL;
}
mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
mids_buf_free, hw_frames_ref1, 0);
if (!mids_buf) {
av_buffer_unref(&hw_frames_ref1);
av_freep(&mids);
return NULL;
}
for (i = 0; i < nb_surfaces; i++) {
QSVMid *mid = &mids[i];
mid->handle_pair = (mfxHDLPair*)frames_hwctx->surfaces[i].Data.MemId;
mid->hw_frames_ref = hw_frames_ref1;
}
return mids_buf;
}
static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
AVBufferRef *mids_buf)
{
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
QSVMid *mids = (QSVMid*)mids_buf->data;
int nb_surfaces = frames_hwctx->nb_surfaces;
int i;
// the allocated size of the array is two larger than the number of
// surfaces, we store the references to the frames context and the
// QSVMid array there
resp->mids = av_calloc(nb_surfaces + 2, sizeof(*resp->mids));
if (!resp->mids)
return AVERROR(ENOMEM);
for (i = 0; i < nb_surfaces; i++)
resp->mids[i] = &mids[i];
resp->NumFrameActual = nb_surfaces;
resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
if (!resp->mids[resp->NumFrameActual]) {
av_freep(&resp->mids);
return AVERROR(ENOMEM);
}
resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
if (!resp->mids[resp->NumFrameActual + 1]) {
av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
av_freep(&resp->mids);
return AVERROR(ENOMEM);
}
return 0;
}
static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
mfxFrameAllocResponse *resp)
{
QSVFramesContext *ctx = pthis;
int ret;
/* this should only be called from an encoder or decoder and
* only allocates video memory frames */
if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
!(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
return MFX_ERR_UNSUPPORTED;
if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
/* external frames -- fill from the caller-supplied frames context */
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
mfxFrameInfo *i = &req->Info;
mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
if (i->Width > i1->Width || i->Height > i1->Height ||
i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
"allocation request: %dx%d %d %d vs %dx%d %d %d\n",
i->Width, i->Height, i->FourCC, i->ChromaFormat,
i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
return MFX_ERR_UNSUPPORTED;
}
ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
if (ret < 0) {
av_log(ctx->logctx, AV_LOG_ERROR,
"Error filling an external frame allocation request\n");
return MFX_ERR_MEMORY_ALLOC;
}
} else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
/* internal frames -- allocate a new hw frames context */
AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
mfxFrameInfo *i = &req->Info;
AVBufferRef *frames_ref, *mids_buf;
AVHWFramesContext *frames_ctx;
AVQSVFramesContext *frames_hwctx;
frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
if (!frames_ref)
return MFX_ERR_MEMORY_ALLOC;
frames_ctx = (AVHWFramesContext*)frames_ref->data;
frames_hwctx = frames_ctx->hwctx;
frames_ctx->format = AV_PIX_FMT_QSV;
frames_ctx->sw_format = ff_qsv_map_fourcc(i->FourCC);
frames_ctx->width = i->Width;
frames_ctx->height = i->Height;
frames_ctx->initial_pool_size = req->NumFrameSuggested;
frames_hwctx->frame_type = req->Type;
ret = av_hwframe_ctx_init(frames_ref);
if (ret < 0) {
av_log(ctx->logctx, AV_LOG_ERROR,
"Error initializing a frames context for an internal frame "
"allocation request\n");
av_buffer_unref(&frames_ref);
return MFX_ERR_MEMORY_ALLOC;
}
mids_buf = qsv_create_mids(frames_ref);
if (!mids_buf) {
av_buffer_unref(&frames_ref);
return MFX_ERR_MEMORY_ALLOC;
}
ret = qsv_setup_mids(resp, frames_ref, mids_buf);
av_buffer_unref(&mids_buf);
av_buffer_unref(&frames_ref);
if (ret < 0) {
av_log(ctx->logctx, AV_LOG_ERROR,
"Error filling an internal frame allocation request\n");
return MFX_ERR_MEMORY_ALLOC;
}
} else {
return MFX_ERR_UNSUPPORTED;
}
return MFX_ERR_NONE;
}
static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
{
av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
av_freep(&resp->mids);
return MFX_ERR_NONE;
}
static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
QSVMid *qsv_mid = mid;
AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
int ret;
if (qsv_mid->locked_frame)
return MFX_ERR_UNDEFINED_BEHAVIOR;
/* Allocate a system memory frame that will hold the mapped data. */
qsv_mid->locked_frame = av_frame_alloc();
if (!qsv_mid->locked_frame)
return MFX_ERR_MEMORY_ALLOC;
qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
/* wrap the provided handle in a hwaccel AVFrame */
qsv_mid->hw_frame = av_frame_alloc();
if (!qsv_mid->hw_frame)
goto fail;
qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
// doesn't really matter what buffer is used here
qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
if (!qsv_mid->hw_frame->buf[0])
goto fail;
qsv_mid->hw_frame->width = hw_frames_ctx->width;
qsv_mid->hw_frame->height = hw_frames_ctx->height;
qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
if (!qsv_mid->hw_frame->hw_frames_ctx)
goto fail;
qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
qsv_mid->surf.Data.MemId = qsv_mid->handle_pair;
/* map the data to the system memory */
ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
AV_HWFRAME_MAP_DIRECT);
if (ret < 0)
goto fail;
ptr->Pitch = qsv_mid->locked_frame->linesize[0];
ptr->Y = qsv_mid->locked_frame->data[0];
ptr->U = qsv_mid->locked_frame->data[1];
ptr->V = qsv_mid->locked_frame->data[1] + 1;
return MFX_ERR_NONE;
fail:
av_frame_free(&qsv_mid->hw_frame);
av_frame_free(&qsv_mid->locked_frame);
return MFX_ERR_MEMORY_ALLOC;
}
static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
{
QSVMid *qsv_mid = mid;
av_frame_free(&qsv_mid->locked_frame);
av_frame_free(&qsv_mid->hw_frame);
return MFX_ERR_NONE;
}
static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
{
QSVMid *qsv_mid = (QSVMid*)mid;
mfxHDLPair *pair_dst = (mfxHDLPair*)hdl;
mfxHDLPair *pair_src = (mfxHDLPair*)qsv_mid->handle_pair;
pair_dst->first = pair_src->first;
if (pair_src->second != (mfxMemId)MFX_INFINITE)
pair_dst->second = pair_src->second;
return MFX_ERR_NONE;
}
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
AVBufferRef *device_ref, const char *load_plugins,
int gpu_copy)
{
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
mfxSession parent_session = device_hwctx->session;
mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
mfxHDL handle = NULL;
int hw_handle_supported = 0;
mfxSession session;
mfxVersion ver;
mfxIMPL impl;
mfxHandleType handle_type;
mfxStatus err;
int ret;
err = MFXQueryIMPL(parent_session, &impl);
if (err == MFX_ERR_NONE)
err = MFXQueryVersion(parent_session, &ver);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error querying the session attributes");
if (MFX_IMPL_VIA_VAAPI == MFX_IMPL_VIA_MASK(impl)) {
handle_type = MFX_HANDLE_VA_DISPLAY;
hw_handle_supported = 1;
} else if (MFX_IMPL_VIA_D3D11 == MFX_IMPL_VIA_MASK(impl)) {
handle_type = MFX_HANDLE_D3D11_DEVICE;
hw_handle_supported = 1;
} else if (MFX_IMPL_VIA_D3D9 == MFX_IMPL_VIA_MASK(impl)) {
handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
hw_handle_supported = 1;
}
if (hw_handle_supported) {
err = MFXVideoCORE_GetHandle(parent_session, handle_type, &handle);
if (err != MFX_ERR_NONE) {
return ff_qsv_print_error(avctx, err,
"Error getting handle session");
}
}
if (!handle) {
av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
"from the session\n");
}
#if QSV_VERSION_ATLEAST(1, 16)
init_par.GPUCopy = gpu_copy;
#endif
init_par.Implementation = impl;
init_par.Version = ver;
err = MFXInitEx(init_par, &session);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error initializing a child MFX session");
if (handle) {
err = MFXVideoCORE_SetHandle(session, handle_type, handle);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error setting a HW handle");
}
if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
err = MFXJoinSession(parent_session, session);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error joining session");
}
ret = qsv_load_plugins(session, load_plugins, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
return ret;
}
*psession = session;
return 0;
}
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
QSVFramesContext *qsv_frames_ctx,
const char *load_plugins, int opaque, int gpu_copy)
{
mfxFrameAllocator frame_allocator = {
.pthis = qsv_frames_ctx,
.Alloc = qsv_frame_alloc,
.Lock = qsv_frame_lock,
.Unlock = qsv_frame_unlock,
.GetHDL = qsv_frame_get_hdl,
.Free = qsv_frame_free,
};
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
mfxSession session;
mfxStatus err;
int ret;
ret = ff_qsv_init_session_device(avctx, &session,
frames_ctx->device_ref, load_plugins, gpu_copy);
if (ret < 0)
return ret;
if (!opaque) {
qsv_frames_ctx->logctx = avctx;
/* allocate the memory ids for the external frames */
av_buffer_unref(&qsv_frames_ctx->mids_buf);
qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
if (!qsv_frames_ctx->mids_buf)
return AVERROR(ENOMEM);
qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
if (err != MFX_ERR_NONE)
return ff_qsv_print_error(avctx, err,
"Error setting a frame allocator");
}
*psession = session;
return 0;
}
int ff_qsv_close_internal_session(QSVSession *qs)
{
if (qs->session) {
MFXClose(qs->session);
qs->session = NULL;
}
#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
av_buffer_unref(&qs->va_device_ref);
#endif
return 0;
}
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