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hwcontext_qsv.c File Reference
#include <stdint.h>
#include <string.h>
#include <mfx/mfxvideo.h>
#include "config.h"
#include "buffer.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_qsv.h"
#include "mem.h"
#include "pixfmt.h"
#include "pixdesc.h"
#include "time.h"

Go to the source code of this file.

Data Structures

struct  QSVDevicePriv
 
struct  QSVDeviceContext
 
struct  QSVFramesContext
 

Functions

static int qsv_device_init (AVHWDeviceContext *ctx)
 
static void qsv_frames_uninit (AVHWFramesContext *ctx)
 
static void qsv_pool_release_dummy (void *opaque, uint8_t *data)
 
static AVBufferRef * qsv_pool_alloc (void *opaque, int size)
 
static int qsv_init_child_ctx (AVHWFramesContext *ctx)
 
static int qsv_init_pool (AVHWFramesContext *ctx, uint32_t fourcc)
 
static mfxStatus frame_alloc (mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp)
 
static mfxStatus frame_free (mfxHDL pthis, mfxFrameAllocResponse *resp)
 
static mfxStatus frame_lock (mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
 
static mfxStatus frame_unlock (mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
 
static mfxStatus frame_get_hdl (mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
 
static int qsv_init_internal_session (AVHWFramesContext *ctx, mfxSession *session, int upload)
 
static int qsv_frames_init (AVHWFramesContext *ctx)
 
static int qsv_get_buffer (AVHWFramesContext *ctx, AVFrame *frame)
 
static int qsv_transfer_get_formats (AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
 
static int qsv_transfer_data_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
 
static int qsv_transfer_data_to (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
 
static int qsv_frames_get_constraints (AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
 
static void qsv_device_free (AVHWDeviceContext *ctx)
 
static mfxIMPL choose_implementation (const char *device)
 
static int qsv_device_create (AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
 

Variables

struct {
   mfxHandleType   handle_type
 
   enum AVHWDeviceType   device_type
 
   enum AVPixelFormat   pix_fmt
 
} supported_handle_types []
 
struct {
   enum AVPixelFormat   pix_fmt
 
   uint32_t   fourcc
 
} supported_pixel_formats []
 
const HWContextType ff_hwcontext_type_qsv
 

Function Documentation

static int qsv_device_init ( AVHWDeviceContext *  ctx)
static

Definition at line 95 of file hwcontext_qsv.c.

static void qsv_frames_uninit ( AVHWFramesContext *  ctx)
static

Definition at line 129 of file hwcontext_qsv.c.

static void qsv_pool_release_dummy ( void *  opaque,
uint8_t *  data 
)
static

Definition at line 151 of file hwcontext_qsv.c.

Referenced by qsv_pool_alloc().

static AVBufferRef* qsv_pool_alloc ( void *  opaque,
int  size 
)
static

Definition at line 155 of file hwcontext_qsv.c.

Referenced by qsv_init_pool().

static int qsv_init_child_ctx ( AVHWFramesContext *  ctx)
static

Definition at line 170 of file hwcontext_qsv.c.

Referenced by qsv_init_pool().

static int qsv_init_pool ( AVHWFramesContext *  ctx,
uint32_t  fourcc 
)
static

Definition at line 273 of file hwcontext_qsv.c.

Referenced by qsv_frames_init().

static mfxStatus frame_alloc ( mfxHDL  pthis,
mfxFrameAllocRequest *  req,
mfxFrameAllocResponse *  resp 
)
static

Definition at line 335 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

static mfxStatus frame_free ( mfxHDL  pthis,
mfxFrameAllocResponse *  resp 
)
static

Definition at line 363 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

static mfxStatus frame_lock ( mfxHDL  pthis,
mfxMemId  mid,
mfxFrameData *  ptr 
)
static

Definition at line 368 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

static mfxStatus frame_unlock ( mfxHDL  pthis,
mfxMemId  mid,
mfxFrameData *  ptr 
)
static

Definition at line 373 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

static mfxStatus frame_get_hdl ( mfxHDL  pthis,
mfxMemId  mid,
mfxHDL *  hdl 
)
static

Definition at line 378 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

static int qsv_init_internal_session ( AVHWFramesContext *  ctx,
mfxSession *  session,
int  upload 
)
static

Definition at line 384 of file hwcontext_qsv.c.

Referenced by qsv_frames_init().

static int qsv_frames_init ( AVHWFramesContext *  ctx)
static

Definition at line 458 of file hwcontext_qsv.c.

static int qsv_get_buffer ( AVHWFramesContext *  ctx,
AVFrame *  frame 
)
static

Definition at line 526 of file hwcontext_qsv.c.

static int qsv_transfer_get_formats ( AVHWFramesContext *  ctx,
enum AVHWFrameTransferDirection  dir,
enum AVPixelFormat **  formats 
)
static

Definition at line 540 of file hwcontext_qsv.c.

static int qsv_transfer_data_from ( AVHWFramesContext *  ctx,
AVFrame *  dst,
const AVFrame *  src 
)
static

Definition at line 558 of file hwcontext_qsv.c.

static int qsv_transfer_data_to ( AVHWFramesContext *  ctx,
AVFrame *  dst,
const AVFrame *  src 
)
static

Definition at line 597 of file hwcontext_qsv.c.

static int qsv_frames_get_constraints ( AVHWDeviceContext *  ctx,
const void *  hwconfig,
AVHWFramesConstraints *  constraints 
)
static

Definition at line 636 of file hwcontext_qsv.c.

static void qsv_device_free ( AVHWDeviceContext *  ctx)
static

Definition at line 661 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

static mfxIMPL choose_implementation ( const char *  device)
static

Definition at line 673 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

static int qsv_device_create ( AVHWDeviceContext *  ctx,
const char *  device,
AVDictionary *  opts,
int  flags 
)
static

Definition at line 705 of file hwcontext_qsv.c.

Variable Documentation

mfxHandleType handle_type

Definition at line 75 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

enum AVHWDeviceType device_type

Definition at line 76 of file hwcontext_qsv.c.

enum AVPixelFormat pix_fmt

Definition at line 77 of file hwcontext_qsv.c.

Referenced by qsv_frames_init().

const { ... } supported_handle_types[]
Initial value:
= {
{ 0 },
}

Referenced by qsv_device_init().

uint32_t fourcc

Definition at line 90 of file hwcontext_qsv.c.

Referenced by main(), matroska_parse_tracks(), msnwc_tcp_probe(), parse_pixel_format(), print_pix_fmt_fourccs(), qsv_frames_init(), and qsv_init_pool().

const { ... } supported_pixel_formats[]
Initial value:
= {
{ AV_PIX_FMT_NV12, MFX_FOURCC_NV12 },
}
AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:90

Referenced by qsv_frames_get_constraints(), and qsv_frames_init().

const HWContextType ff_hwcontext_type_qsv
Initial value:
= {
.type = AV_HWDEVICE_TYPE_QSV,
.name = "QSV",
.device_hwctx_size = sizeof(AVQSVDeviceContext),
.device_priv_size = sizeof(QSVDeviceContext),
.frames_hwctx_size = sizeof(AVQSVFramesContext),
.frames_priv_size = sizeof(QSVFramesContext),
.device_create = qsv_device_create,
.device_init = qsv_device_init,
.frames_get_constraints = qsv_frames_get_constraints,
.frames_init = qsv_frames_init,
.frames_uninit = qsv_frames_uninit,
.frames_get_buffer = qsv_get_buffer,
.transfer_get_formats = qsv_transfer_get_formats,
.transfer_data_to = qsv_transfer_data_to,
.transfer_data_from = qsv_transfer_data_from,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_QSV, AV_PIX_FMT_NONE },
}
qsv_frames_get_constraints
static int qsv_frames_get_constraints(AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
Definition: hwcontext_qsv.c:636
AVQSVFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
qsv_transfer_data_to
static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_qsv.c:597
qsv_frames_init
static int qsv_frames_init(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:458
AVQSVDeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
qsv_get_buffer
static int qsv_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
Definition: hwcontext_qsv.c:526
qsv_transfer_data_from
static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_qsv.c:558
qsv_transfer_get_formats
static int qsv_transfer_get_formats(AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
Definition: hwcontext_qsv.c:540
qsv_frames_uninit
static void qsv_frames_uninit(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:129
qsv_device_create
static int qsv_device_create(AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
Definition: hwcontext_qsv.c:705
AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:236
qsv_device_init
static int qsv_device_init(AVHWDeviceContext *ctx)
Definition: hwcontext_qsv.c:95
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60

Definition at line 771 of file hwcontext_qsv.c.

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