FFmpeg
Data Structures | Macros | Functions | Variables
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
 

Macros

#define QSV_VERSION_ATLEAST(MAJOR, MINOR)
 

Functions

static uint32_t qsv_fourcc_from_pix_fmt (enum AVPixelFormat pix_fmt)
 
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 AVBufferRefqsv_pool_alloc (void *opaque, size_t size)
 
static int qsv_init_child_ctx (AVHWFramesContext *ctx)
 
static int qsv_init_surface (AVHWFramesContext *ctx, mfxFrameSurface1 *surf)
 
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_frames_derive_from (AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
 
static int qsv_map_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
 
static int qsv_transfer_data_child (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
 
static int map_frame_to_surface (const AVFrame *frame, mfxFrameSurface1 *surface)
 
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_derive_to (AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
 
static int qsv_map_to (AVHWFramesContext *dst_ctx, AVFrame *dst, const AVFrame *src, int flags)
 
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_derive_from_child (AVHWDeviceContext *ctx, mfxIMPL implementation, AVHWDeviceContext *child_device_ctx, int flags)
 
static int qsv_device_derive (AVHWDeviceContext *ctx, AVHWDeviceContext *child_device_ctx, AVDictionary *opts, int flags)
 
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
 

Macro Definition Documentation

◆ QSV_VERSION_ATLEAST

#define QSV_VERSION_ATLEAST (   MAJOR,
  MINOR 
)
Value:
(MFX_VERSION_MAJOR > (MAJOR) || \
MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))

Definition at line 47 of file hwcontext_qsv.c.

Function Documentation

◆ qsv_fourcc_from_pix_fmt()

static uint32_t qsv_fourcc_from_pix_fmt ( enum AVPixelFormat  pix_fmt)
static

Definition at line 120 of file hwcontext_qsv.c.

Referenced by qsv_frames_init(), and qsv_init_surface().

◆ qsv_device_init()

static int qsv_device_init ( AVHWDeviceContext ctx)
static

Definition at line 130 of file hwcontext_qsv.c.

◆ qsv_frames_uninit()

static void qsv_frames_uninit ( AVHWFramesContext ctx)
static

Definition at line 164 of file hwcontext_qsv.c.

◆ qsv_pool_release_dummy()

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

Definition at line 193 of file hwcontext_qsv.c.

Referenced by qsv_pool_alloc().

◆ qsv_pool_alloc()

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

Definition at line 197 of file hwcontext_qsv.c.

Referenced by qsv_init_pool().

◆ qsv_init_child_ctx()

static int qsv_init_child_ctx ( AVHWFramesContext ctx)
static

Definition at line 212 of file hwcontext_qsv.c.

Referenced by qsv_init_pool().

◆ qsv_init_surface()

static int qsv_init_surface ( AVHWFramesContext ctx,
mfxFrameSurface1 *  surf 
)
static

Definition at line 315 of file hwcontext_qsv.c.

Referenced by qsv_frames_derive_to(), and qsv_init_pool().

◆ qsv_init_pool()

static int qsv_init_pool ( AVHWFramesContext ctx,
uint32_t  fourcc 
)
static

Definition at line 351 of file hwcontext_qsv.c.

Referenced by qsv_frames_init().

◆ frame_alloc()

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

Definition at line 391 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

◆ frame_free()

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

Definition at line 419 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

◆ frame_lock()

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

Definition at line 424 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

◆ frame_unlock()

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

Definition at line 429 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

◆ frame_get_hdl()

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

Definition at line 434 of file hwcontext_qsv.c.

Referenced by qsv_init_internal_session().

◆ qsv_init_internal_session()

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

Definition at line 440 of file hwcontext_qsv.c.

Referenced by qsv_transfer_data_from(), and qsv_transfer_data_to().

◆ qsv_frames_init()

static int qsv_frames_init ( AVHWFramesContext ctx)
static

Definition at line 516 of file hwcontext_qsv.c.

◆ qsv_get_buffer()

static int qsv_get_buffer ( AVHWFramesContext ctx,
AVFrame frame 
)
static

Definition at line 582 of file hwcontext_qsv.c.

◆ qsv_transfer_get_formats()

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

Definition at line 596 of file hwcontext_qsv.c.

◆ qsv_frames_derive_from()

static int qsv_frames_derive_from ( AVHWFramesContext dst_ctx,
AVHWFramesContext src_ctx,
int  flags 
)
static

Definition at line 614 of file hwcontext_qsv.c.

◆ qsv_map_from()

static int qsv_map_from ( AVHWFramesContext ctx,
AVFrame dst,
const AVFrame src,
int  flags 
)
static

Definition at line 662 of file hwcontext_qsv.c.

◆ qsv_transfer_data_child()

static int qsv_transfer_data_child ( AVHWFramesContext ctx,
AVFrame dst,
const AVFrame src 
)
static

Definition at line 733 of file hwcontext_qsv.c.

Referenced by qsv_transfer_data_from(), and qsv_transfer_data_to().

◆ map_frame_to_surface()

static int map_frame_to_surface ( const AVFrame frame,
mfxFrameSurface1 *  surface 
)
static

Definition at line 767 of file hwcontext_qsv.c.

Referenced by qsv_transfer_data_from(), and qsv_transfer_data_to().

◆ qsv_transfer_data_from()

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

Definition at line 810 of file hwcontext_qsv.c.

◆ qsv_transfer_data_to()

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

Definition at line 879 of file hwcontext_qsv.c.

◆ qsv_frames_derive_to()

static int qsv_frames_derive_to ( AVHWFramesContext dst_ctx,
AVHWFramesContext src_ctx,
int  flags 
)
static

Definition at line 974 of file hwcontext_qsv.c.

◆ qsv_map_to()

static int qsv_map_to ( AVHWFramesContext dst_ctx,
AVFrame dst,
const AVFrame src,
int  flags 
)
static

Definition at line 1028 of file hwcontext_qsv.c.

◆ qsv_frames_get_constraints()

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

Definition at line 1064 of file hwcontext_qsv.c.

◆ qsv_device_free()

static void qsv_device_free ( AVHWDeviceContext ctx)
static

Definition at line 1089 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

◆ choose_implementation()

static mfxIMPL choose_implementation ( const char *  device)
static

Definition at line 1101 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

◆ qsv_device_derive_from_child()

static int qsv_device_derive_from_child ( AVHWDeviceContext ctx,
mfxIMPL  implementation,
AVHWDeviceContext child_device_ctx,
int  flags 
)
static

Definition at line 1133 of file hwcontext_qsv.c.

Referenced by qsv_device_create(), and qsv_device_derive().

◆ qsv_device_derive()

static int qsv_device_derive ( AVHWDeviceContext ctx,
AVHWDeviceContext child_device_ctx,
AVDictionary opts,
int  flags 
)
static

Definition at line 1215 of file hwcontext_qsv.c.

◆ qsv_device_create()

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

Definition at line 1223 of file hwcontext_qsv.c.

Variable Documentation

◆ handle_type

mfxHandleType handle_type

◆ device_type

enum AVHWDeviceType device_type

Definition at line 90 of file hwcontext_qsv.c.

Referenced by opencl_filter_device().

◆ pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 91 of file hwcontext_qsv.c.

Referenced by qsv_fourcc_from_pix_fmt().

◆ supported_handle_types

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

Referenced by qsv_device_init().

◆ fourcc

uint32_t fourcc

Definition at line 104 of file hwcontext_qsv.c.

Referenced by qsv_frames_init(), and qsv_init_surface().

◆ supported_pixel_formats

const { ... } supported_pixel_formats[]
Initial value:
= {
{ AV_PIX_FMT_NV12, MFX_FOURCC_NV12 },
{ AV_PIX_FMT_BGRA, MFX_FOURCC_RGB4 },
{ AV_PIX_FMT_P010, MFX_FOURCC_P010 },
{ AV_PIX_FMT_PAL8, MFX_FOURCC_P8 },
}

Referenced by qsv_fourcc_from_pix_fmt(), and qsv_frames_get_constraints().

◆ ff_hwcontext_type_qsv

const HWContextType ff_hwcontext_type_qsv
Initial value:
= {
.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_derive = qsv_device_derive,
.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,
.map_to = qsv_map_to,
.map_from = qsv_map_from,
.frames_derive_to = qsv_frames_derive_to,
.frames_derive_from = qsv_frames_derive_from,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_QSV, AV_PIX_FMT_NONE },
}

Definition at line 1275 of file hwcontext_qsv.c.

AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
qsv_transfer_data_to
static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_qsv.c:879
qsv_map_from
static int qsv_map_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_qsv.c:662
AVQSVDeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
qsv_device_derive
static int qsv_device_derive(AVHWDeviceContext *ctx, AVHWDeviceContext *child_device_ctx, AVDictionary *opts, int flags)
Definition: hwcontext_qsv.c:1215
qsv_frames_derive_from
static int qsv_frames_derive_from(AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
Definition: hwcontext_qsv.c:614
QSVDeviceContext
Definition: hwcontext_qsv.c:55
AV_PIX_FMT_BGRA
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
qsv_transfer_data_from
static int qsv_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_qsv.c:810
qsv_frames_get_constraints
static int qsv_frames_get_constraints(AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
Definition: hwcontext_qsv.c:1064
qsv_frames_derive_to
static int qsv_frames_derive_to(AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
Definition: hwcontext_qsv.c:974
qsv_frames_uninit
static void qsv_frames_uninit(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:164
qsv_frames_init
static int qsv_frames_init(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:516
AV_PIX_FMT_QSV
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:212
qsv_get_buffer
static int qsv_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
Definition: hwcontext_qsv.c:582
qsv_transfer_get_formats
static int qsv_transfer_get_formats(AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
Definition: hwcontext_qsv.c:596
qsv_device_init
static int qsv_device_init(AVHWDeviceContext *ctx)
Definition: hwcontext_qsv.c:130
qsv_map_to
static int qsv_map_to(AVHWFramesContext *dst_ctx, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_qsv.c:1028
AV_PIX_FMT_PAL8
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:77
AV_PIX_FMT_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:89
AV_HWDEVICE_TYPE_QSV
@ AV_HWDEVICE_TYPE_QSV
Definition: hwcontext.h:33
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
qsv_device_create
static int qsv_device_create(AVHWDeviceContext *ctx, const char *device, AVDictionary *opts, int flags)
Definition: hwcontext_qsv.c:1223
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:438
AVQSVFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
QSVFramesContext
Definition: qsv_internal.h:93