hwcontext_amf.c File Reference

#include "buffer.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_amf.h"
#include "hwcontext_internal.h"
#include "hwcontext_amf_internal.h"
#include "mem.h"
#include "pixdesc.h"
#include "pixfmt.h"
#include "imgutils.h"
#include "thread.h"
#include "libavutil/avassert.h"
#include <AMF/core/Surface.h>
#include <AMF/core/Trace.h>
#include <dlfcn.h>

Go to the source code of this file.

Data Structures
struct	AmfTraceWriter
struct	AMFFramesContext
	We still need AVHWFramesContext to utilize our hardware memory otherwise, we will receive the error "HW format requires hw_frames_ctx to be non-NULL". More...
struct	AVAMFFormatMap

Macros
#define	FFMPEG_AMF_WRITER_ID   L"ffmpeg_amf"

Functions
static void	amf_lock_default (void *opaque)
static void	amf_unlock_default (void *opaque)
static void AMF_CDECL_CALL	AMFTraceWriter_Write (AMFTraceWriter *pThis, const wchar_t *scope, const wchar_t *message)
static void AMF_CDECL_CALL	AMFTraceWriter_Flush (AMFTraceWriter *pThis)
static AmfTraceWriter *	amf_writer_alloc (void *avctx)
static void	amf_writer_free (void *opaque)
enum AMF_SURFACE_FORMAT	av_av_to_amf_format (enum AVPixelFormat fmt)
enum AVPixelFormat	av_amf_to_av_format (enum AMF_SURFACE_FORMAT fmt)
static int	amf_frames_get_constraints (AVHWDeviceContext *ctx, const void *hwconfig, AVHWFramesConstraints *constraints)
static void	amf_dummy_free (void *opaque, uint8_t *data)
static AVBufferRef *	amf_pool_alloc (void *opaque, size_t size)
static int	amf_frames_init (AVHWFramesContext *ctx)
static int	amf_get_buffer (AVHWFramesContext *ctx, AVFrame *frame)
static int	amf_transfer_get_formats (AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static void	amf_free_amfsurface (void *opaque, uint8_t *data)
static int	amf_transfer_data_to (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static int	amf_transfer_data_from (AVHWFramesContext *ctx, AVFrame *dst, const AVFrame *src)
static void	amf_device_uninit (AVHWDeviceContext *device_ctx)
static int	amf_device_init (AVHWDeviceContext *ctx)
static int	amf_load_library (AVAMFDeviceContext *amf_ctx, void *avcl)
static int	amf_device_create (AVHWDeviceContext *device_ctx, const char *device, AVDictionary *opts, int flags)
static int	amf_device_derive (AVHWDeviceContext *device_ctx, AVHWDeviceContext *child_device_ctx, AVDictionary *opts, int flags)

Variables
const FormatMap	format_map []
static enum AVPixelFormat	supported_formats []
static enum AVPixelFormat	supported_transfer_formats []
const HWContextType	ff_hwcontext_type_amf

Macro Definition Documentation

FFMPEG_AMF_WRITER_ID

#define FFMPEG_AMF_WRITER_ID   L"ffmpeg_amf"

Definition at line 51 of file hwcontext_amf.c.

Function Documentation

amf_lock_default()

static void amf_lock_default ( void *  opaque )

static

Definition at line 53 of file hwcontext_amf.c.

Referenced by amf_device_init(), and amf_device_uninit().

amf_unlock_default()

static void amf_unlock_default ( void *  opaque )

static

Definition at line 58 of file hwcontext_amf.c.

Referenced by amf_device_init().

AMFTraceWriter_Write()

static void AMF_CDECL_CALL AMFTraceWriter_Write ( AMFTraceWriter *  pThis, const wchar_t *  scope, const wchar_t *  message  )

static

Definition at line 69 of file hwcontext_amf.c.

Referenced by amf_writer_alloc().

AMFTraceWriter_Flush()

static void AMF_CDECL_CALL AMFTraceWriter_Flush ( AMFTraceWriter *  pThis )

static

Definition at line 76 of file hwcontext_amf.c.

Referenced by amf_writer_alloc().

amf_writer_alloc()

static AmfTraceWriter* amf_writer_alloc ( void *  avctx )

static

Definition at line 80 of file hwcontext_amf.c.

Referenced by amf_device_create().

amf_writer_free()

static void amf_writer_free ( void *  opaque )

static

Definition at line 94 of file hwcontext_amf.c.

Referenced by amf_device_uninit().

av_av_to_amf_format()

enum AMF_SURFACE_FORMAT av_av_to_amf_format

(

enum AVPixelFormat

fmt

)

Definition at line 131 of file hwcontext_amf.c.

Referenced by amf_avframe_to_amfsurface(), amf_filter_config_output(), amf_init_encoder(), amf_init_filter_config(), and amf_transfer_data_to().

av_amf_to_av_format()

enum AVPixelFormat av_amf_to_av_format

(

enum AMF_SURFACE_FORMAT

fmt

)

Definition at line 142 of file hwcontext_amf.c.

Referenced by amf_amfsurface_to_avframe(), amf_decode_frame(), and amf_decode_init().

amf_frames_get_constraints()

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

static

Definition at line 179 of file hwcontext_amf.c.

amf_dummy_free()

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

static

Definition at line 204 of file hwcontext_amf.c.

Referenced by amf_pool_alloc().

amf_pool_alloc()

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

static

Definition at line 209 of file hwcontext_amf.c.

Referenced by amf_frames_init().

amf_frames_init()

static int amf_frames_init ( AVHWFramesContext *  ctx )

static

Definition at line 222 of file hwcontext_amf.c.

amf_get_buffer()

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

static

Definition at line 244 of file hwcontext_amf.c.

amf_transfer_get_formats()

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

static

Definition at line 257 of file hwcontext_amf.c.

amf_free_amfsurface()

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

static

Definition at line 275 of file hwcontext_amf.c.

Referenced by amf_transfer_data_to().

amf_transfer_data_to()

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

static

Definition at line 283 of file hwcontext_amf.c.

amf_transfer_data_from()

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

static

Definition at line 328 of file hwcontext_amf.c.

amf_device_uninit()

static void amf_device_uninit ( AVHWDeviceContext *  device_ctx )

static

Definition at line 363 of file hwcontext_amf.c.

Referenced by amf_device_create().

amf_device_init()

static int amf_device_init ( AVHWDeviceContext *  ctx )

static

Definition at line 400 of file hwcontext_amf.c.

amf_load_library()

static int amf_load_library ( AVAMFDeviceContext *  amf_ctx, void *  avcl  )

static

Definition at line 448 of file hwcontext_amf.c.

Referenced by amf_device_create().

amf_device_create()

static int amf_device_create ( AVHWDeviceContext *  device_ctx, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 471 of file hwcontext_amf.c.

Referenced by amf_device_derive().

amf_device_derive()

static int amf_device_derive ( AVHWDeviceContext *  device_ctx, AVHWDeviceContext *  child_device_ctx, AVDictionary *  opts, int  flags  )

static

Definition at line 626 of file hwcontext_amf.c.

Variable Documentation

format_map

const FormatMap format_map[]

Initial value:

=
{
    { AV_PIX_FMT_NONE,          AMF_SURFACE_UNKNOWN },
    { AV_PIX_FMT_NV12,          AMF_SURFACE_NV12 },
    { AV_PIX_FMT_BGR0,          AMF_SURFACE_BGRA },
    { AV_PIX_FMT_RGB0,          AMF_SURFACE_RGBA },
    { AV_PIX_FMT_BGRA,          AMF_SURFACE_BGRA },
    { AV_PIX_FMT_ARGB,          AMF_SURFACE_ARGB },
    { AV_PIX_FMT_RGBA,          AMF_SURFACE_RGBA },
    { AV_PIX_FMT_GRAY8,         AMF_SURFACE_GRAY8 },
    { AV_PIX_FMT_YUV420P,       AMF_SURFACE_YUV420P },
    { AV_PIX_FMT_YUYV422,       AMF_SURFACE_YUY2 },
    { AV_PIX_FMT_P010,          AMF_SURFACE_P010 },
    { AV_PIX_FMT_X2BGR10,       AMF_SURFACE_R10G10B10A2 },
    { AV_PIX_FMT_RGBAF16,       AMF_SURFACE_RGBA_F16},
}

Definition at line 114 of file hwcontext_amf.c.

Referenced by av_amf_to_av_format(), av_av_to_amf_format(), cairo_format_from_pix_fmt(), and liblc3_decode_init().

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_BGRA,
    AV_PIX_FMT_RGBA,
    AV_PIX_FMT_P010,
 
 
 
 
 
 
 
 
 
}

Definition at line 153 of file hwcontext_amf.c.

Referenced by amf_frames_get_constraints(), and amf_frames_init().

supported_transfer_formats

enum AVPixelFormat supported_transfer_formats[]

static

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_BGRA,
    AV_PIX_FMT_RGBA,
    AV_PIX_FMT_P010,
    AV_PIX_FMT_NONE,
}

Definition at line 170 of file hwcontext_amf.c.

Referenced by amf_transfer_get_formats().

ff_hwcontext_type_amf

const HWContextType ff_hwcontext_type_amf

Initial value:

= {
    .type                 = AV_HWDEVICE_TYPE_AMF,
    .name                 = "AMF",
 
    .device_hwctx_size    = sizeof(AVAMFDeviceContext),
    .frames_hwctx_size    = sizeof(AMFFramesContext),
 
    .device_create        = amf_device_create,
    .device_derive        = amf_device_derive,
    .device_init          = amf_device_init,
    .device_uninit        = amf_device_uninit,
    .frames_get_constraints = amf_frames_get_constraints,
    .frames_init          = amf_frames_init,
    .frames_get_buffer    = amf_get_buffer,
    .transfer_get_formats = amf_transfer_get_formats,
    .transfer_data_to     = amf_transfer_data_to,
    .transfer_data_from   = amf_transfer_data_from,
 
    .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_AMF_SURFACE, AV_PIX_FMT_NONE },
}

Definition at line 669 of file hwcontext_amf.c.