mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-28 10:22:10 +00:00
17f63d98e6
This raises the required minimum NVIDIA display driver versions: NVIDIA Linux display driver 378.13 or newer NVIDIA Windows display driver 378.66 or newer
357 lines
20 KiB
C
357 lines
20 KiB
C
/*
|
|
* This copyright notice applies to this header file only:
|
|
*
|
|
* Copyright (c) 2010-2017 NVIDIA Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use,
|
|
* copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the software, and to permit persons to whom the
|
|
* software is furnished to do so, subject to the following
|
|
* conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/********************************************************************************************************************/
|
|
//! \file nvcuvid.h
|
|
//! NVDECODE API provides video decoding interface to NVIDIA GPU devices.
|
|
//! \date 2015-2017
|
|
//! This file contains the interface constants, structure definitions and function prototypes.
|
|
/********************************************************************************************************************/
|
|
|
|
#if !defined(__NVCUVID_H__)
|
|
#define __NVCUVID_H__
|
|
|
|
#include "compat/cuda/dynlink_cuviddec.h"
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/*********************************
|
|
** Initialization
|
|
*********************************/
|
|
CUresult CUDAAPI cuvidInit(unsigned int Flags);
|
|
|
|
/***********************************************/
|
|
//!
|
|
//! High-level helper APIs for video sources
|
|
//!
|
|
/***********************************************/
|
|
|
|
typedef void *CUvideosource;
|
|
typedef void *CUvideoparser;
|
|
typedef long long CUvideotimestamp;
|
|
|
|
|
|
/************************************************************************/
|
|
//! \enum cudaVideoState
|
|
//! Video source state enums
|
|
//! Used in cuvidSetVideoSourceState and cuvidGetVideoSourceState APIs
|
|
/************************************************************************/
|
|
typedef enum {
|
|
cudaVideoState_Error = -1, /**< Error state (invalid source) */
|
|
cudaVideoState_Stopped = 0, /**< Source is stopped (or reached end-of-stream) */
|
|
cudaVideoState_Started = 1 /**< Source is running and delivering data */
|
|
} cudaVideoState;
|
|
|
|
/************************************************************************/
|
|
//! \enum cudaAudioCodec
|
|
//! Audio compression enums
|
|
//! Used in CUAUDIOFORMAT structure
|
|
/************************************************************************/
|
|
typedef enum {
|
|
cudaAudioCodec_MPEG1=0, /**< MPEG-1 Audio */
|
|
cudaAudioCodec_MPEG2, /**< MPEG-2 Audio */
|
|
cudaAudioCodec_MP3, /**< MPEG-1 Layer III Audio */
|
|
cudaAudioCodec_AC3, /**< Dolby Digital (AC3) Audio */
|
|
cudaAudioCodec_LPCM, /**< PCM Audio */
|
|
cudaAudioCodec_AAC, /**< AAC Audio */
|
|
} cudaAudioCodec;
|
|
|
|
/************************************************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDEOFORMAT
|
|
//! Video format
|
|
//! Used in cuvidGetSourceVideoFormat API
|
|
/************************************************************************************************/
|
|
typedef struct
|
|
{
|
|
cudaVideoCodec codec; /**< OUT: Compression format */
|
|
/**
|
|
* OUT: frame rate = numerator / denominator (for example: 30000/1001)
|
|
*/
|
|
struct {
|
|
/**< OUT: frame rate numerator (0 = unspecified or variable frame rate) */
|
|
unsigned int numerator;
|
|
/**< OUT: frame rate denominator (0 = unspecified or variable frame rate) */
|
|
unsigned int denominator;
|
|
} frame_rate;
|
|
unsigned char progressive_sequence; /**< OUT: 0=interlaced, 1=progressive */
|
|
unsigned char bit_depth_luma_minus8; /**< OUT: high bit depth luma. E.g, 2 for 10-bitdepth, 4 for 12-bitdepth */
|
|
unsigned char bit_depth_chroma_minus8; /**< OUT: high bit depth chroma. E.g, 2 for 10-bitdepth, 4 for 12-bitdepth */
|
|
unsigned char reserved1; /**< Reserved for future use */
|
|
unsigned int coded_width; /**< OUT: coded frame width in pixels */
|
|
unsigned int coded_height; /**< OUT: coded frame height in pixels */
|
|
/**
|
|
* area of the frame that should be displayed
|
|
* typical example:
|
|
* coded_width = 1920, coded_height = 1088
|
|
* display_area = { 0,0,1920,1080 }
|
|
*/
|
|
struct {
|
|
int left; /**< OUT: left position of display rect */
|
|
int top; /**< OUT: top position of display rect */
|
|
int right; /**< OUT: right position of display rect */
|
|
int bottom; /**< OUT: bottom position of display rect */
|
|
} display_area;
|
|
cudaVideoChromaFormat chroma_format; /**< OUT: Chroma format */
|
|
unsigned int bitrate; /**< OUT: video bitrate (bps, 0=unknown) */
|
|
/**
|
|
* OUT: Display Aspect Ratio = x:y (4:3, 16:9, etc)
|
|
*/
|
|
struct {
|
|
int x;
|
|
int y;
|
|
} display_aspect_ratio;
|
|
/**
|
|
* Video Signal Description
|
|
* Refer section E.2.1 (VUI parameters semantics) of H264 spec file
|
|
*/
|
|
struct {
|
|
unsigned char video_format : 3; /**< OUT: 0-Component, 1-PAL, 2-NTSC, 3-SECAM, 4-MAC, 5-Unspecified */
|
|
unsigned char video_full_range_flag : 1; /**< OUT: indicates the black level and luma and chroma range */
|
|
unsigned char reserved_zero_bits : 4; /**< Reserved bits */
|
|
unsigned char color_primaries; /**< OUT: chromaticity coordinates of source primaries */
|
|
unsigned char transfer_characteristics; /**< OUT: opto-electronic transfer characteristic of the source picture */
|
|
unsigned char matrix_coefficients; /**< OUT: used in deriving luma and chroma signals from RGB primaries */
|
|
} video_signal_description;
|
|
unsigned int seqhdr_data_length; /**< OUT: Additional bytes following (CUVIDEOFORMATEX) */
|
|
} CUVIDEOFORMAT;
|
|
|
|
/****************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDEOFORMATEX
|
|
//! Video format including raw sequence header information
|
|
//! Used in cuvidGetSourceVideoFormat API
|
|
/****************************************************************/
|
|
typedef struct
|
|
{
|
|
CUVIDEOFORMAT format; /**< OUT: CUVIDEOFORMAT structure */
|
|
unsigned char raw_seqhdr_data[1024]; /**< OUT: Sequence header data */
|
|
} CUVIDEOFORMATEX;
|
|
|
|
/****************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUAUDIOFORMAT
|
|
//! Audio formats
|
|
//! Used in cuvidGetSourceAudioFormat API
|
|
/****************************************************************/
|
|
typedef struct
|
|
{
|
|
cudaAudioCodec codec; /**< OUT: Compression format */
|
|
unsigned int channels; /**< OUT: number of audio channels */
|
|
unsigned int samplespersec; /**< OUT: sampling frequency */
|
|
unsigned int bitrate; /**< OUT: For uncompressed, can also be used to determine bits per sample */
|
|
unsigned int reserved1; /**< Reserved for future use */
|
|
unsigned int reserved2; /**< Reserved for future use */
|
|
} CUAUDIOFORMAT;
|
|
|
|
|
|
/***************************************************************/
|
|
//! \enum CUvideopacketflags
|
|
//! Data packet flags
|
|
//! Used in CUVIDSOURCEDATAPACKET structure
|
|
/***************************************************************/
|
|
typedef enum {
|
|
CUVID_PKT_ENDOFSTREAM = 0x01, /**< Set when this is the last packet for this stream */
|
|
CUVID_PKT_TIMESTAMP = 0x02, /**< Timestamp is valid */
|
|
CUVID_PKT_DISCONTINUITY = 0x04, /**< Set when a discontinuity has to be signalled */
|
|
CUVID_PKT_ENDOFPICTURE = 0x08, /**< Set when the packet contains exactly one frame */
|
|
} CUvideopacketflags;
|
|
|
|
/*****************************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDSOURCEDATAPACKET
|
|
//! Data Packet
|
|
//! Used in cuvidParseVideoData API
|
|
//! IN for cuvidParseVideoData
|
|
/*****************************************************************************/
|
|
typedef struct _CUVIDSOURCEDATAPACKET
|
|
{
|
|
tcu_ulong flags; /**< IN: Combination of CUVID_PKT_XXX flags */
|
|
tcu_ulong payload_size; /**< IN: number of bytes in the payload (may be zero if EOS flag is set) */
|
|
const unsigned char *payload; /**< IN: Pointer to packet payload data (may be NULL if EOS flag is set) */
|
|
CUvideotimestamp timestamp; /**< IN: Presentation time stamp (10MHz clock), only valid if
|
|
CUVID_PKT_TIMESTAMP flag is set */
|
|
} CUVIDSOURCEDATAPACKET;
|
|
|
|
// Callback for packet delivery
|
|
typedef int (CUDAAPI *PFNVIDSOURCECALLBACK)(void *, CUVIDSOURCEDATAPACKET *);
|
|
|
|
/**************************************************************************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDSOURCEPARAMS
|
|
//! Describes parameters needed in cuvidCreateVideoSource API
|
|
//! NVDECODE API is intended for HW accelerated video decoding so CUvideosource doesn't have audio demuxer for all supported
|
|
//! containers. It's recommended to clients to use their own or third party demuxer if audio support is needed.
|
|
/**************************************************************************************************************************/
|
|
typedef struct _CUVIDSOURCEPARAMS
|
|
{
|
|
unsigned int ulClockRate; /**< IN: Time stamp units in Hz (0=default=10000000Hz) */
|
|
unsigned int uReserved1[7]; /**< Reserved for future use - set to zero */
|
|
void *pUserData; /**< IN: User private data passed in to the data handlers */
|
|
PFNVIDSOURCECALLBACK pfnVideoDataHandler; /**< IN: Called to deliver video packets */
|
|
PFNVIDSOURCECALLBACK pfnAudioDataHandler; /**< IN: Called to deliver audio packets. */
|
|
void *pvReserved2[8]; /**< Reserved for future use - set to NULL */
|
|
} CUVIDSOURCEPARAMS;
|
|
|
|
|
|
/**********************************************/
|
|
//! \ingroup ENUMS
|
|
//! \enum CUvideosourceformat_flags
|
|
//! CUvideosourceformat_flags
|
|
//! Used in cuvidGetSourceVideoFormat API
|
|
/**********************************************/
|
|
typedef enum {
|
|
CUVID_FMT_EXTFORMATINFO = 0x100 /**< Return extended format structure (CUVIDEOFORMATEX) */
|
|
} CUvideosourceformat_flags;
|
|
|
|
#if !defined(__APPLE__)
|
|
/**************************************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidCreateVideoSource(CUvideosource *pObj, const char *pszFileName, CUVIDSOURCEPARAMS *pParams)
|
|
//! Create CUvideosource object. CUvideosource spawns demultiplexer thread that provides two callbacks:
|
|
//! pfnVideoDataHandler() and pfnAudioDataHandler()
|
|
//! NVDECODE API is intended for HW accelerated video decoding so CUvideosource doesn't have audio demuxer for all supported
|
|
//! containers. It's recommended to clients to use their own or third party demuxer if audio support is needed.
|
|
/**************************************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidCreateVideoSource(CUvideosource *pObj, const char *pszFileName, CUVIDSOURCEPARAMS *pParams);
|
|
|
|
/****************************************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidCreateVideoSourceW(CUvideosource *pObj, const wchar_t *pwszFileName, CUVIDSOURCEPARAMS *pParams)
|
|
//! Create video source object and initialize
|
|
/****************************************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidCreateVideoSourceW(CUvideosource *pObj, const wchar_t *pwszFileName, CUVIDSOURCEPARAMS *pParams);
|
|
|
|
/*********************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidDestroyVideoSource(CUvideosource obj)
|
|
//! Destroy video source
|
|
/*********************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidDestroyVideoSource(CUvideosource obj);
|
|
|
|
/******************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidSetVideoSourceState(CUvideosource obj, cudaVideoState state)
|
|
//! Set video source state
|
|
/******************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidSetVideoSourceState(CUvideosource obj, cudaVideoState state);
|
|
|
|
/******************************************************************************************/
|
|
//! \fn cudaVideoState CUDAAPI cuvidGetVideoSourceState(CUvideosource obj)
|
|
//! Get video source state
|
|
/******************************************************************************************/
|
|
typedef cudaVideoState CUDAAPI tcuvidGetVideoSourceState(CUvideosource obj);
|
|
|
|
/****************************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidGetSourceVideoFormat(CUvideosource obj, CUVIDEOFORMAT *pvidfmt, unsigned int flags)
|
|
//! Gets details of video stream in pvidfmt
|
|
/****************************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidGetSourceVideoFormat(CUvideosource obj, CUVIDEOFORMAT *pvidfmt, unsigned int flags);
|
|
|
|
/****************************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidGetSourceAudioFormat(CUvideosource obj, CUAUDIOFORMAT *paudfmt, unsigned int flags)
|
|
//! Get audio source format
|
|
//! NVDECODE API is intended for HW accelarated video decoding so CUvideosource doesn't have audio demuxer for all suppported
|
|
//! containers. It's recommended to clients to use their own or third party demuxer if audio support is needed.
|
|
/****************************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidGetSourceAudioFormat(CUvideosource obj, CUAUDIOFORMAT *paudfmt, unsigned int flags);
|
|
|
|
#endif
|
|
/**********************************************************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDPARSERDISPINFO
|
|
//! Used in cuvidParseVideoData API with PFNVIDDISPLAYCALLBACK pfnDisplayPicture
|
|
/**********************************************************************************/
|
|
typedef struct _CUVIDPARSERDISPINFO
|
|
{
|
|
int picture_index; /**< OUT: Index of the current picture */
|
|
int progressive_frame; /**< OUT: 1 if progressive frame; 0 otherwise */
|
|
int top_field_first; /**< OUT: 1 if top field is displayed first; 0 otherwise */
|
|
int repeat_first_field; /**< OUT: Number of additional fields (1=ivtc, 2=frame doubling, 4=frame tripling,
|
|
-1=unpaired field) */
|
|
CUvideotimestamp timestamp; /**< OUT: Presentation time stamp */
|
|
} CUVIDPARSERDISPINFO;
|
|
|
|
/***********************************************************************************************************************/
|
|
//! Parser callbacks
|
|
//! The parser will call these synchronously from within cuvidParseVideoData(), whenever a picture is ready to
|
|
//! be decoded and/or displayed. First argument in functions is "void *pUserData" member of structure CUVIDSOURCEPARAMS
|
|
/***********************************************************************************************************************/
|
|
typedef int (CUDAAPI *PFNVIDSEQUENCECALLBACK)(void *, CUVIDEOFORMAT *);
|
|
typedef int (CUDAAPI *PFNVIDDECODECALLBACK)(void *, CUVIDPICPARAMS *);
|
|
typedef int (CUDAAPI *PFNVIDDISPLAYCALLBACK)(void *, CUVIDPARSERDISPINFO *);
|
|
|
|
/**************************************/
|
|
//! \ingroup STRUCTS
|
|
//! \struct CUVIDPARSERPARAMS
|
|
//! Used in cuvidCreateVideoParser API
|
|
/**************************************/
|
|
typedef struct _CUVIDPARSERPARAMS
|
|
{
|
|
cudaVideoCodec CodecType; /**< IN: cudaVideoCodec_XXX */
|
|
unsigned int ulMaxNumDecodeSurfaces; /**< IN: Max # of decode surfaces (parser will cycle through these) */
|
|
unsigned int ulClockRate; /**< IN: Timestamp units in Hz (0=default=10000000Hz) */
|
|
unsigned int ulErrorThreshold; /**< IN: % Error threshold (0-100) for calling pfnDecodePicture (100=always
|
|
IN: call pfnDecodePicture even if picture bitstream is fully corrupted) */
|
|
unsigned int ulMaxDisplayDelay; /**< IN: Max display queue delay (improves pipelining of decode with display)
|
|
0=no delay (recommended values: 2..4) */
|
|
unsigned int uReserved1[5]; /**< IN: Reserved for future use - set to 0 */
|
|
void *pUserData; /**< IN: User data for callbacks */
|
|
PFNVIDSEQUENCECALLBACK pfnSequenceCallback; /**< IN: Called before decoding frames and/or whenever there is a fmt change */
|
|
PFNVIDDECODECALLBACK pfnDecodePicture; /**< IN: Called when a picture is ready to be decoded (decode order) */
|
|
PFNVIDDISPLAYCALLBACK pfnDisplayPicture; /**< IN: Called whenever a picture is ready to be displayed (display order) */
|
|
void *pvReserved2[7]; /**< Reserved for future use - set to NULL */
|
|
CUVIDEOFORMATEX *pExtVideoInfo; /**< IN: [Optional] sequence header data from system layer */
|
|
} CUVIDPARSERPARAMS;
|
|
|
|
/************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidCreateVideoParser(CUvideoparser *pObj, CUVIDPARSERPARAMS *pParams)
|
|
//! Create video parser object and initialize
|
|
/************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidCreateVideoParser(CUvideoparser *pObj, CUVIDPARSERPARAMS *pParams);
|
|
|
|
/************************************************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidParseVideoData(CUvideoparser obj, CUVIDSOURCEDATAPACKET *pPacket)
|
|
//! Parse the video data from source data packet in pPacket
|
|
//! Extracts parameter sets like SPS, PPS, bitstream etc. from pPacket and
|
|
//! calls back pfnDecodePicture with CUVIDPICPARAMS data for kicking of HW decoding
|
|
/************************************************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidParseVideoData(CUvideoparser obj, CUVIDSOURCEDATAPACKET *pPacket);
|
|
|
|
/*******************************************************************/
|
|
//! \fn CUresult CUDAAPI cuvidDestroyVideoParser(CUvideoparser obj)
|
|
/*******************************************************************/
|
|
typedef CUresult CUDAAPI tcuvidDestroyVideoParser(CUvideoparser obj);
|
|
|
|
/**********************************************************************************************/
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif // __NVCUVID_H__
|
|
|
|
|