FFmpeg  4.0
Data Structures | Macros | Functions | Variables
amfenc.c File Reference
#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/hwcontext.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/time.h"
#include "amfenc.h"
#include "internal.h"
#include <dlfcn.h>

Go to the source code of this file.

Data Structures

struct  FormatMap
 

Macros

#define FFMPEG_AMF_WRITER_ID   L"ffmpeg_amf"
 
#define PTS_PROP   L"PtsProp"
 

Functions

static enum AMF_SURFACE_FORMAT amf_av_to_amf_format (enum AVPixelFormat fmt)
 
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 int amf_load_library (AVCodecContext *avctx)
 
static int amf_init_context (AVCodecContext *avctx)
 
static int amf_init_encoder (AVCodecContext *avctx)
 
int av_cold ff_amf_encode_close (AVCodecContext *avctx)
 Common encoder termination function. More...
 
static int amf_copy_surface (AVCodecContext *avctx, const AVFrame *frame, AMFSurface *surface)
 
static int timestamp_queue_enqueue (AVCodecContext *avctx, int64_t timestamp)
 
static int amf_copy_buffer (AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
 
int ff_amf_encode_init (AVCodecContext *avctx)
 Common encoder initization function. More...
 
static AMF_RESULT amf_set_property_buffer (AMFSurface *object, const wchar_t *name, AMFBuffer *val)
 
static AMF_RESULT amf_get_property_buffer (AMFData *object, const wchar_t *name, AMFBuffer **val)
 
static AMFBuffer * amf_create_buffer_with_frame_ref (const AVFrame *frame, AMFContext *context)
 
static void amf_release_buffer_with_frame_ref (AMFBuffer *frame_ref_storage_buffer)
 
int ff_amf_send_frame (AVCodecContext *avctx, const AVFrame *frame)
 Ecoding one frame - common function for all AMF encoders. More...
 
int ff_amf_receive_packet (AVCodecContext *avctx, AVPacket *avpkt)
 

Variables

enum AVPixelFormat ff_amf_pix_fmts []
 Supported formats. More...
 
static const FormatMap format_map []
 
static AMFTraceWriterVtbl tracer_vtbl
 

Macro Definition Documentation

◆ FFMPEG_AMF_WRITER_ID

#define FFMPEG_AMF_WRITER_ID   L"ffmpeg_amf"

Definition at line 48 of file amfenc.c.

Referenced by amf_init_context(), and ff_amf_encode_close().

◆ PTS_PROP

#define PTS_PROP   L"PtsProp"

Definition at line 50 of file amfenc.c.

Referenced by amf_copy_buffer(), and ff_amf_send_frame().

Function Documentation

◆ amf_av_to_amf_format()

static enum AMF_SURFACE_FORMAT amf_av_to_amf_format ( enum AVPixelFormat  fmt)
static

Definition at line 80 of file amfenc.c.

Referenced by amf_init_context(), and amf_init_encoder().

◆ AMFTraceWriter_Write()

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

Definition at line 91 of file amfenc.c.

◆ AMFTraceWriter_Flush()

static void AMF_CDECL_CALL AMFTraceWriter_Flush ( AMFTraceWriter *  pThis)
static

Definition at line 98 of file amfenc.c.

◆ amf_load_library()

static int amf_load_library ( AVCodecContext *  avctx)
static

Definition at line 108 of file amfenc.c.

Referenced by ff_amf_encode_init().

◆ amf_init_context()

static int amf_init_context ( AVCodecContext *  avctx)
static

Definition at line 213 of file amfenc.c.

Referenced by ff_amf_encode_init().

◆ amf_init_encoder()

static int amf_init_encoder ( AVCodecContext *  avctx)
static

Definition at line 322 of file amfenc.c.

Referenced by ff_amf_encode_init().

◆ ff_amf_encode_close()

int av_cold ff_amf_encode_close ( AVCodecContext *  avctx)

Common encoder termination function.

Definition at line 356 of file amfenc.c.

Referenced by ff_amf_encode_init().

◆ amf_copy_surface()

static int amf_copy_surface ( AVCodecContext *  avctx,
const AVFrame *  frame,
AMFSurface *  surface 
)
static

Definition at line 397 of file amfenc.c.

Referenced by ff_amf_send_frame().

◆ timestamp_queue_enqueue()

static int timestamp_queue_enqueue ( AVCodecContext *  avctx,
int64_t  timestamp 
)
inlinestatic

Definition at line 421 of file amfenc.c.

Referenced by ff_amf_receive_packet(), and ff_amf_send_frame().

◆ amf_copy_buffer()

static int amf_copy_buffer ( AVCodecContext *  avctx,
AVPacket *  pkt,
AMFBuffer *  buffer 
)
static

Definition at line 433 of file amfenc.c.

Referenced by ff_amf_receive_packet().

◆ ff_amf_encode_init()

int ff_amf_encode_init ( AVCodecContext *  avctx)

Common encoder initization function.

Definition at line 493 of file amfenc.c.

Referenced by amf_encode_init_h264(), and amf_encode_init_hevc().

◆ amf_set_property_buffer()

static AMF_RESULT amf_set_property_buffer ( AMFSurface *  object,
const wchar_t *  name,
AMFBuffer *  val 
)
static

Definition at line 508 of file amfenc.c.

Referenced by ff_amf_send_frame().

◆ amf_get_property_buffer()

static AMF_RESULT amf_get_property_buffer ( AMFData *  object,
const wchar_t *  name,
AMFBuffer **  val 
)
static

Definition at line 530 of file amfenc.c.

Referenced by ff_amf_receive_packet().

◆ amf_create_buffer_with_frame_ref()

static AMFBuffer* amf_create_buffer_with_frame_ref ( const AVFrame *  frame,
AMFContext *  context 
)
static

Definition at line 551 of file amfenc.c.

Referenced by ff_amf_send_frame().

◆ amf_release_buffer_with_frame_ref()

static void amf_release_buffer_with_frame_ref ( AMFBuffer *  frame_ref_storage_buffer)
static

Definition at line 570 of file amfenc.c.

Referenced by ff_amf_receive_packet().

◆ ff_amf_send_frame()

int ff_amf_send_frame ( AVCodecContext *  avctx,
const AVFrame *  frame 
)

Ecoding one frame - common function for all AMF encoders.

Definition at line 578 of file amfenc.c.

◆ ff_amf_receive_packet()

int ff_amf_receive_packet ( AVCodecContext *  avctx,
AVPacket *  avpkt 
)

Definition at line 704 of file amfenc.c.

Variable Documentation

◆ ff_amf_pix_fmts

enum AVPixelFormat ff_amf_pix_fmts[]
Initial value:
= {
AV_PIX_FMT_NV12,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE
}
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:85
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62

Supported formats.

Definition at line 52 of file amfenc.c.

◆ format_map

const FormatMap format_map[]
static
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_GRAY8, AMF_SURFACE_GRAY8 },
{ AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
{ AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
}
AV_PIX_FMT_RGB0
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:234
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:85
AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:63
AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:236
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:70

Definition at line 69 of file amfenc.c.

◆ tracer_vtbl

AMFTraceWriterVtbl tracer_vtbl
static
Initial value:
=
{
.Write = AMFTraceWriter_Write,
.Flush = AMFTraceWriter_Flush,
}
AMFTraceWriter_Write
static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis, const wchar_t *scope, const wchar_t *message)
Definition: amfenc.c:91
AMFTraceWriter_Flush
static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
Definition: amfenc.c:98

Definition at line 102 of file amfenc.c.

Referenced by amf_init_context().

Generated on Tue May 22 2018 07:07:03 for FFmpeg by   doxygen 1.8.13