hwcontext_opencl.c File Reference

#include <string.h>
#include "config.h"
#include "avassert.h"
#include "avstring.h"
#include "common.h"
#include "hwcontext.h"
#include "hwcontext_internal.h"
#include "hwcontext_opencl.h"
#include "mem.h"
#include "pixdesc.h"

Go to the source code of this file.

Data Structures
struct	OpenCLDeviceContext
struct	OpenCLFramesContext
struct	OpenCLDeviceSelector
struct	OpenCLMapping

Macros
#define	CL_USE_DEPRECATED_OPENCL_1_2_APIS
#define	CL_FUNC(name, desc)
#define	CHANNEL_ORDER(order, type)   case order: image_format->image_channel_order = type; break;

Functions
static void	opencl_error_callback (const char *errinfo, const void *private_info, size_t cb, void *user_data)
static void	opencl_device_free (AVHWDeviceContext *hwdev)
static char *	opencl_get_platform_string (cl_platform_id platform_id, cl_platform_info key)
static char *	opencl_get_device_string (cl_device_id device_id, cl_device_info key)
static int	opencl_check_platform_extension (cl_platform_id platform_id, const char *name)
static int	opencl_check_device_extension (cl_device_id device_id, const char *name)
static av_unused int	opencl_check_extension (AVHWDeviceContext *hwdev, const char *name)
static int	opencl_enumerate_platforms (AVHWDeviceContext *hwdev, cl_uint *nb_platforms, cl_platform_id **platforms, void *context)
static int	opencl_filter_platform (AVHWDeviceContext *hwdev, cl_platform_id platform_id, const char *platform_name, void *context)
static int	opencl_enumerate_devices (AVHWDeviceContext *hwdev, cl_platform_id platform_id, const char *platform_name, cl_uint *nb_devices, cl_device_id **devices, void *context)
static int	opencl_filter_device (AVHWDeviceContext *hwdev, cl_device_id device_id, const char *device_name, void *context)
static int	opencl_device_create_internal (AVHWDeviceContext *hwdev, const OpenCLDeviceSelector *selector, cl_context_properties *props)
static int	opencl_device_create (AVHWDeviceContext *hwdev, const char *device, AVDictionary *opts, int flags)
static int	opencl_device_init (AVHWDeviceContext *hwdev)
static void	opencl_device_uninit (AVHWDeviceContext *hwdev)
static int	opencl_device_derive (AVHWDeviceContext *hwdev, AVHWDeviceContext *src_ctx, int flags)
static int	opencl_get_plane_format (enum AVPixelFormat pixfmt, int plane, int width, int height, cl_image_format *image_format, cl_image_desc *image_desc)
static int	opencl_frames_get_constraints (AVHWDeviceContext *hwdev, const void *hwconfig, AVHWFramesConstraints *constraints)
static void	opencl_pool_free (void *opaque, uint8_t *data)
static AVBufferRef *	opencl_pool_alloc (void *opaque, int size)
static int	opencl_frames_init_command_queue (AVHWFramesContext *hwfc)
static int	opencl_frames_init (AVHWFramesContext *hwfc)
static void	opencl_frames_uninit (AVHWFramesContext *hwfc)
static int	opencl_get_buffer (AVHWFramesContext *hwfc, AVFrame *frame)
static int	opencl_transfer_get_formats (AVHWFramesContext *hwfc, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static int	opencl_wait_events (AVHWFramesContext *hwfc, cl_event *events, int nb_events)
static int	opencl_transfer_data_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	opencl_transfer_data_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static void	opencl_unmap_frame (AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
static int	opencl_map_frame (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static cl_mem_flags	opencl_mem_flags_for_mapping (int map_flags)
static int	opencl_map_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	opencl_map_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	opencl_frames_derive_to (AVHWFramesContext *dst_fc, AVHWFramesContext *src_fc, int flags)

Variables
struct {
const char *   key
cl_platform_info   name
}	opencl_platform_params []
struct {
const char *   key
cl_device_info   name
}	opencl_device_params []
struct {
const char *   key
cl_device_type   type
}	opencl_device_types []
const HWContextType	ff_hwcontext_type_opencl

Macro Definition Documentation

#define CL_USE_DEPRECATED_OPENCL_1_2_APIS

Definition at line 19 of file hwcontext_opencl.c.

#define CL_FUNC	(		name,
			desc
	)

Value:

do {                                \
        if (fail)                                               \
            break;                                              \
        priv->name = clGetExtensionFunctionAddressForPlatform(  \
            priv->platform_id, #name);                          \
        if (!priv->name) {                                      \
            av_log(hwdev, AV_LOG_VERBOSE,                       \
                   desc " function not found (%s).\n", #name);  \
            fail = 1;                                           \
        } else {                                                \
            av_log(hwdev, AV_LOG_VERBOSE,                       \
                   desc " function found (%s).\n", #name);      \
        }                                                       \
    } while (0)

Referenced by opencl_device_init().

#define CHANNEL_ORDER	(		order,
			type
	)		case order: image_format->image_channel_order = type; break;

Referenced by opencl_get_plane_format().

Function Documentation

static void opencl_error_callback ( const char *  errinfo, const void *  private_info, size_t  cb, void *  user_data  )

static

Definition at line 144 of file hwcontext_opencl.c.

Referenced by opencl_device_create_internal().

static void opencl_device_free ( AVHWDeviceContext *  hwdev )

static

Definition at line 152 of file hwcontext_opencl.c.

Referenced by opencl_device_create_internal().

static char* opencl_get_platform_string ( cl_platform_id  platform_id, cl_platform_info  key  )

static

Definition at line 199 of file hwcontext_opencl.c.

Referenced by opencl_check_platform_extension(), opencl_device_create_internal(), and opencl_filter_platform().

static char* opencl_get_device_string ( cl_device_id  device_id, cl_device_info  key  )

static

Definition at line 220 of file hwcontext_opencl.c.

Referenced by opencl_check_device_extension(), opencl_device_create_internal(), and opencl_filter_device().

static int opencl_check_platform_extension ( cl_platform_id  platform_id, const char *  name  )

static

Definition at line 241 of file hwcontext_opencl.c.

Referenced by opencl_check_extension().

static int opencl_check_device_extension ( cl_device_id  device_id, const char *  name  )

static

Definition at line 254 of file hwcontext_opencl.c.

Referenced by opencl_check_extension().

static av_unused int opencl_check_extension ( AVHWDeviceContext *  hwdev, const char *  name  )

static

Definition at line 267 of file hwcontext_opencl.c.

Referenced by opencl_device_init().

static int opencl_enumerate_platforms ( AVHWDeviceContext *  hwdev, cl_uint *  nb_platforms, cl_platform_id **  platforms, void *  context  )

static

Definition at line 288 of file hwcontext_opencl.c.

Referenced by opencl_device_create(), and opencl_device_derive().

static int opencl_filter_platform ( AVHWDeviceContext *  hwdev, cl_platform_id  platform_id, const char *  platform_name, void *  context  )

static

Definition at line 319 of file hwcontext_opencl.c.

Referenced by opencl_device_create(), and opencl_device_derive().

static int opencl_enumerate_devices ( AVHWDeviceContext *  hwdev, cl_platform_id  platform_id, const char *  platform_name, cl_uint *  nb_devices, cl_device_id **  devices, void *  context  )

static

Definition at line 354 of file hwcontext_opencl.c.

Referenced by opencl_device_create(), opencl_device_create_internal(), and opencl_device_derive().

static int opencl_filter_device ( AVHWDeviceContext *  hwdev, cl_device_id  device_id, const char *  device_name, void *  context  )

static

Definition at line 394 of file hwcontext_opencl.c.

Referenced by opencl_device_create().

static int opencl_device_create_internal ( AVHWDeviceContext *  hwdev, const OpenCLDeviceSelector *  selector, cl_context_properties *  props  )

static

Definition at line 484 of file hwcontext_opencl.c.

Referenced by opencl_device_create(), and opencl_device_derive().

static int opencl_device_create ( AVHWDeviceContext *  hwdev, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 614 of file hwcontext_opencl.c.

static int opencl_device_init ( AVHWDeviceContext *  hwdev )

static

Definition at line 647 of file hwcontext_opencl.c.

Referenced by opencl_device_derive().

static void opencl_device_uninit ( AVHWDeviceContext *  hwdev )

static

Definition at line 883 of file hwcontext_opencl.c.

static int opencl_device_derive ( AVHWDeviceContext *  hwdev, AVHWDeviceContext *  src_ctx, int  flags  )

static

Definition at line 1191 of file hwcontext_opencl.c.

static int opencl_get_plane_format ( enum AVPixelFormat  pixfmt, int  plane, int  width, int  height, cl_image_format *  image_format, cl_image_desc *  image_desc  )

static

Definition at line 1367 of file hwcontext_opencl.c.

Referenced by opencl_frames_get_constraints(), opencl_map_frame(), opencl_pool_alloc(), opencl_transfer_data_from(), and opencl_transfer_data_to().

static int opencl_frames_get_constraints ( AVHWDeviceContext *  hwdev, const void *  hwconfig, AVHWFramesConstraints *  constraints  )

static

Definition at line 1476 of file hwcontext_opencl.c.

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

static

Definition at line 1603 of file hwcontext_opencl.c.

Referenced by opencl_pool_alloc().

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

static

Definition at line 1621 of file hwcontext_opencl.c.

Referenced by opencl_frames_init().

static int opencl_frames_init_command_queue ( AVHWFramesContext *  hwfc )

static

Definition at line 1677 of file hwcontext_opencl.c.

Referenced by opencl_frames_derive_to(), and opencl_frames_init().

static int opencl_frames_init ( AVHWFramesContext *  hwfc )

static

Definition at line 1696 of file hwcontext_opencl.c.

static void opencl_frames_uninit ( AVHWFramesContext *  hwfc )

static

Definition at line 1709 of file hwcontext_opencl.c.

static int opencl_get_buffer ( AVHWFramesContext *  hwfc, AVFrame *  frame  )

static

Definition at line 1737 of file hwcontext_opencl.c.

static int opencl_transfer_get_formats ( AVHWFramesContext *  hwfc, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 1758 of file hwcontext_opencl.c.

static int opencl_wait_events ( AVHWFramesContext *  hwfc, cl_event *  events, int  nb_events  )

static

Definition at line 1775 of file hwcontext_opencl.c.

Referenced by opencl_map_frame(), opencl_transfer_data_from(), opencl_transfer_data_to(), and opencl_unmap_frame().

static int opencl_transfer_data_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 1799 of file hwcontext_opencl.c.

static int opencl_transfer_data_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 1854 of file hwcontext_opencl.c.

static void opencl_unmap_frame ( AVHWFramesContext *  hwfc, HWMapDescriptor *  hwmap  )

static

Definition at line 1916 of file hwcontext_opencl.c.

Referenced by opencl_map_frame().

static int opencl_map_frame ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 1945 of file hwcontext_opencl.c.

Referenced by opencl_map_from().

static cl_mem_flags opencl_mem_flags_for_mapping ( int  map_flags )

inlinestatic

Definition at line 2187 of file hwcontext_opencl.c.

static int opencl_map_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 2800 of file hwcontext_opencl.c.

static int opencl_map_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 2809 of file hwcontext_opencl.c.

static int opencl_frames_derive_to ( AVHWFramesContext *  dst_fc, AVHWFramesContext *  src_fc, int  flags  )

static

Definition at line 2850 of file hwcontext_opencl.c.

Variable Documentation

const char* key

Definition at line 165 of file hwcontext_opencl.c.

Referenced by aa_read_header(), add_metadata(), add_opt(), ape_tag_read_field(), av_opt_get_key_value(), av_opt_query_ranges(), av_opt_set_from_string(), av_packet_unpack_dictionary(), av_tree_insert(), avformat_match_stream_specifier(), avi_read_packet(), avi_read_tag(), check_keyboard_interaction(), cmp_id_key(), decode_header(), do_encrypt(), ea_read_packet(), epic_hash_add(), extract_line(), ff_AMediaFormat_getBuffer(), ff_AMediaFormat_getFloat(), ff_AMediaFormat_getInt32(), ff_AMediaFormat_getInt64(), ff_AMediaFormat_getString(), ff_AMediaFormat_setBuffer(), ff_AMediaFormat_setFloat(), ff_AMediaFormat_setInt32(), ff_AMediaFormat_setInt64(), ff_AMediaFormat_setString(), ff_id3v2_parse_priv_dict(), ff_metadata_conv(), ff_parse_key_value(), ff_read_riff_info(), ff_tee_parse_slave_options(), filter_frame(), gain_entry_compare(), glyph_cmp(), hls_encryption_start(), hpel_motion_search(), id3v2_3_metadata_split_date(), init_report(), ivr_read_header(), matroska_convert_tag(), microdvd_close_no_persistent_tags(), microdvd_init(), microdvd_open_tags(), mkv_write_simpletag(), mov_metadata_loci(), mov_parse_vc1_frame(), mov_read_custom(), mov_read_udta_string(), mpegts_write_pes(), multiswap_dec(), multiswap_enc(), mxf_parse_package_comments(), mxf_read_indirect_value(), mxf_write_opatom_body_partition(), nist_read_header(), nuv_read_dts(), open_input(), open_output_file(), opencl_filter_device(), opencl_filter_platform(), opt_preset(), parse_audio(), parse_key(), parse_key_value_pair(), parse_legacy_attrib(), parse_metadata(), parse_playlist(), process_options(), read_comment(), read_info_chunk(), read_odml_index(), read_tag(), read_uslt(), redspark_probe(), redspark_read_header(), sab_diamond_search(), small_diamond_search(), subviewer_read_header(), update_metadata(), url_alloc_for_protocol(), vivo_read_header(), and write_sm_data().

cl_device_info name

Definition at line 166 of file hwcontext_opencl.c.

struct { ... } opencl_platform_params[]

Initial value:

= {
    { "platform_profile",    CL_PLATFORM_PROFILE    },
    { "platform_version",    CL_PLATFORM_VERSION    },
    { "platform_name",       CL_PLATFORM_NAME       },
    { "platform_vendor",     CL_PLATFORM_VENDOR     },
    { "platform_extensions", CL_PLATFORM_EXTENSIONS },
}

Referenced by opencl_filter_platform().

struct { ... } opencl_device_params[]

Initial value:

= {
    { "device_name",         CL_DEVICE_NAME         },
    { "device_vendor",       CL_DEVICE_VENDOR       },
    { "driver_version",      CL_DRIVER_VERSION      },
    { "device_version",      CL_DEVICE_VERSION      },
    { "device_profile",      CL_DEVICE_PROFILE      },
    { "device_extensions",   CL_DEVICE_EXTENSIONS   },
}

Referenced by opencl_filter_device().

cl_device_type type

Definition at line 189 of file hwcontext_opencl.c.

struct { ... } opencl_device_types[]

Initial value:

= {
    { "cpu",         CL_DEVICE_TYPE_CPU         },
    { "gpu",         CL_DEVICE_TYPE_GPU         },
    { "accelerator", CL_DEVICE_TYPE_ACCELERATOR },
    { "custom",      CL_DEVICE_TYPE_CUSTOM      },
    { "default",     CL_DEVICE_TYPE_DEFAULT     },
    { "all",         CL_DEVICE_TYPE_ALL         },
}

Referenced by opencl_filter_device().

const HWContextType ff_hwcontext_type_opencl

Definition at line 2910 of file hwcontext_opencl.c.