FFmpeg
Data Structures | 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
 

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 AVBufferRef * qsv_pool_alloc (void *opaque, int 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, 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
 

Function Documentation

◆ qsv_fourcc_from_pix_fmt()

static uint32_t qsv_fourcc_from_pix_fmt ( enum AVPixelFormat  pix_fmt)
static

Definition at line 108 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 118 of file hwcontext_qsv.c.

◆ qsv_frames_uninit()

static void qsv_frames_uninit ( AVHWFramesContext *  ctx)
static

Definition at line 152 of file hwcontext_qsv.c.

◆ qsv_pool_release_dummy()

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

Definition at line 181 of file hwcontext_qsv.c.

Referenced by qsv_pool_alloc().

◆ qsv_pool_alloc()

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

Definition at line 185 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 200 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 303 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 339 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 379 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 407 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 412 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 417 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 422 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 428 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 504 of file hwcontext_qsv.c.

◆ qsv_get_buffer()

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

Definition at line 570 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 584 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 602 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 650 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 721 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 755 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 786 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 855 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 950 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 1004 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 1040 of file hwcontext_qsv.c.

◆ qsv_device_free()

static void qsv_device_free ( AVHWDeviceContext *  ctx)
static

Definition at line 1065 of file hwcontext_qsv.c.

Referenced by qsv_device_create().

◆ choose_implementation()

static mfxIMPL choose_implementation ( const char *  device)
static

Definition at line 1077 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 1109 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,
int  flags 
)
static

Definition at line 1196 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 1203 of file hwcontext_qsv.c.

Variable Documentation

◆ handle_type

mfxHandleType handle_type

Definition at line 85 of file hwcontext_qsv.c.

Referenced by ff_qsv_init_session_device(), init_out_session(), init_vpp_session(), and qsv_device_derive_from_child().

◆ device_type

enum AVHWDeviceType device_type

Definition at line 86 of file hwcontext_qsv.c.

Referenced by opencl_filter_device().

◆ pix_fmt

enum AVPixelFormat pix_fmt

Definition at line 87 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 100 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:
= {
.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_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 1253 of file hwcontext_qsv.c.

AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
qsv_device_derive
static int qsv_device_derive(AVHWDeviceContext *ctx, AVHWDeviceContext *child_device_ctx, int flags)
Definition: hwcontext_qsv.c:1196
qsv_transfer_data_to
static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
Definition: hwcontext_qsv.c:855
qsv_map_from
static int qsv_map_from(AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_qsv.c:650
AVQSVDeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
qsv_frames_derive_from
static int qsv_frames_derive_from(AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
Definition: hwcontext_qsv.c:602
QSVDeviceContext
Definition: hwcontext_qsv.c:51
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:786
qsv_frames_get_constraints
static int qsv_frames_get_constraints(AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
Definition: hwcontext_qsv.c:1040
qsv_frames_derive_to
static int qsv_frames_derive_to(AVHWFramesContext *dst_ctx, AVHWFramesContext *src_ctx, int flags)
Definition: hwcontext_qsv.c:950
qsv_frames_uninit
static void qsv_frames_uninit(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:152
qsv_frames_init
static int qsv_frames_init(AVHWFramesContext *ctx)
Definition: hwcontext_qsv.c:504
AV_PIX_FMT_QSV
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:222
qsv_get_buffer
static int qsv_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
Definition: hwcontext_qsv.c:570
qsv_transfer_get_formats
static int qsv_transfer_get_formats(AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
Definition: hwcontext_qsv.c:584
qsv_device_init
static int qsv_device_init(AVHWDeviceContext *ctx)
Definition: hwcontext_qsv.c:118
qsv_map_to
static int qsv_map_to(AVHWFramesContext *dst_ctx, AVFrame *dst, const AVFrame *src, int flags)
Definition: hwcontext_qsv.c:1004
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:1203
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:436
AVQSVFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:42
QSVFramesContext
Definition: qsv_internal.h:67
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