amfdec.c File Reference

#include "libavutil/hwcontext_amf.h"
#include "libavutil/hwcontext_amf_internal.h"
#include "amfdec.h"
#include "codec_internal.h"
#include "hwconfig.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/time.h"
#include "decode.h"
#include "libavutil/mastering_display_metadata.h"
#include <dlfcn.h>

Go to the source code of this file.

Macros
#define	AMF_VIDEO_DECODER_OUTPUT_FORMAT   L"OutputDecodeFormat"
#define	OFFSET(x)   offsetof(AMFDecoderContext, x)
#define	VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
#define	DEFINE_AMF_DECODER(x, X, bsf_name)

Functions
static void	amf_free_amfsurface (void *opaque, uint8_t *data)
static int	amf_legacy_driver_no_bitness_detect (AVAMFDeviceContext *amf_device_ctx)
static int	amf_init_decoder (AVCodecContext *avctx)
static int	amf_decode_close (AVCodecContext *avctx)
static int	amf_init_frames_context (AVCodecContext *avctx, int sw_format, int new_width, int new_height)
static int	amf_decode_init (AVCodecContext *avctx)
static AMF_RESULT	amf_get_property_buffer (AMFData *object, const wchar_t *name, AMFBuffer **val)
static int	amf_amfsurface_to_avframe (AVCodecContext *avctx, AMFSurface *surface, AVFrame *frame)
static AMF_RESULT	amf_receive_frame (AVCodecContext *avctx, AVFrame *frame)
static AMF_RESULT	amf_update_buffer_properties (AVCodecContext *avctx, AMFBuffer *buffer, const AVPacket *pkt)
static AMF_RESULT	amf_buffer_from_packet (AVCodecContext *avctx, const AVPacket *pkt, AMFBuffer **buffer)
static int	amf_decode_frame (AVCodecContext *avctx, struct AVFrame *frame)
static void	amf_decode_flush (AVCodecContext *avctx)

Variables
enum AVPixelFormat	amf_dec_pix_fmts []
static const AVCodecHWConfigInternal *const	amf_hw_configs []
static const AVOption	options []
static const AVClass	amf_decode_class

Macro Definition Documentation

AMF_VIDEO_DECODER_OUTPUT_FORMAT

#define AMF_VIDEO_DECODER_OUTPUT_FORMAT   L"OutputDecodeFormat"

Definition at line 44 of file amfdec.c.

OFFSET

#define OFFSET

(

x

)

offsetof(AMFDecoderContext, x)

Definition at line 659 of file amfdec.c.

VD

#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 660 of file amfdec.c.

DEFINE_AMF_DECODER

#define DEFINE_AMF_DECODER	(		x,
			X,
			bsf_name
	)

Value:

const FFCodec ff_##x##_amf_decoder = { \
    .p.name         = #x "_amf", \
    CODEC_LONG_NAME(#X " AMD AMF video decoder"), \
    .priv_data_size = sizeof(AMFDecoderContext), \
    .p.type         = AVMEDIA_TYPE_VIDEO, \
    .p.id           = AV_CODEC_ID_##X, \
    .init           = amf_decode_init, \
    FF_CODEC_RECEIVE_FRAME_CB(amf_decode_frame), \
    .flush          = amf_decode_flush, \
    .close          = amf_decode_close, \
    .bsfs           = bsf_name, \
    .p.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING, \
    .p.priv_class   = &amf_decode_class, \
    .p.pix_fmts     = amf_dec_pix_fmts, \
    .hw_configs     = amf_hw_configs, \
    .p.wrapper_name = "amf", \
    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE, \
}; \

Definition at line 694 of file amfdec.c.

Function Documentation

amf_free_amfsurface()

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

static

Definition at line 67 of file amfdec.c.

Referenced by amf_amfsurface_to_avframe().

amf_legacy_driver_no_bitness_detect()

static int amf_legacy_driver_no_bitness_detect ( AVAMFDeviceContext *  amf_device_ctx )

static

Definition at line 73 of file amfdec.c.

Referenced by amf_decode_init(), and amf_init_decoder().

amf_init_decoder()

static int amf_init_decoder ( AVCodecContext *  avctx )

static

Color Range (Support for older Drivers)

Definition at line 82 of file amfdec.c.

Referenced by amf_decode_init().

amf_decode_close()

static int amf_decode_close ( AVCodecContext *  avctx )

static

Definition at line 220 of file amfdec.c.

Referenced by amf_decode_init().

amf_init_frames_context()

static int amf_init_frames_context ( AVCodecContext *  avctx, int  sw_format, int  new_width, int  new_height  )

static

Definition at line 236 of file amfdec.c.

Referenced by amf_decode_frame(), and amf_decode_init().

amf_decode_init()

static int amf_decode_init ( AVCodecContext *  avctx )

static

Definition at line 266 of file amfdec.c.

amf_get_property_buffer()

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

static

Definition at line 336 of file amfdec.c.

Referenced by amf_amfsurface_to_avframe().

amf_amfsurface_to_avframe()

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

static

Definition at line 357 of file amfdec.c.

Referenced by amf_receive_frame().

amf_receive_frame()

static AMF_RESULT amf_receive_frame ( AVCodecContext *  avctx, AVFrame *  frame  )

static

Definition at line 474 of file amfdec.c.

Referenced by amf_decode_frame().

amf_update_buffer_properties()

static AMF_RESULT amf_update_buffer_properties ( AVCodecContext *  avctx, AMFBuffer *  buffer, const AVPacket *  pkt  )

static

Definition at line 508 of file amfdec.c.

Referenced by amf_buffer_from_packet().

amf_buffer_from_packet()

static AMF_RESULT amf_buffer_from_packet ( AVCodecContext *  avctx, const AVPacket *  pkt, AMFBuffer **  buffer  )

static

Definition at line 522 of file amfdec.c.

Referenced by amf_decode_frame().

amf_decode_frame()

static int amf_decode_frame ( AVCodecContext *  avctx, struct AVFrame *  frame  )

static

Definition at line 551 of file amfdec.c.

amf_decode_flush()

static void amf_decode_flush ( AVCodecContext *  avctx )

static

Definition at line 653 of file amfdec.c.

Variable Documentation

amf_dec_pix_fmts

enum AVPixelFormat amf_dec_pix_fmts[]

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_P010,
    AV_PIX_FMT_P012,
    AV_PIX_FMT_AMF_SURFACE,
    AV_PIX_FMT_NONE
}

Definition at line 46 of file amfdec.c.

amf_hw_configs

const AVCodecHWConfigInternal* const amf_hw_configs[]

static

Initial value:

= {
    &(const AVCodecHWConfigInternal) {
        .public = {
            .pix_fmt     = AV_PIX_FMT_AMF_SURFACE,
            .methods     = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
                           AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
            .device_type = AV_HWDEVICE_TYPE_AMF,
        },
        .hwaccel = NULL,
    },
    NULL
}

Definition at line 54 of file amfdec.c.

options

const AVOption options[]

static

Initial value:

= {
    
    { "decoder_mode",       "Decoder mode",                                                 OFFSET(decoder_mode),       AV_OPT_TYPE_INT,   { .i64 = -1  }, -1, AMF_VIDEO_DECODER_MODE_LOW_LATENCY, VD, "decoder_mode" },
    { "regular",            "DPB delay is based on number of reference frames + 1",         0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_DECODER_MODE_REGULAR      }, 0, 0, VD, "decoder_mode" },
    { "compliant",          "DPB delay is based on profile - up to 16",                     0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_DECODER_MODE_COMPLIANT    }, 0, 0, VD, "decoder_mode" },
    { "low_latency",        "DPB delay is 0",                                               0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_DECODER_MODE_LOW_LATENCY  }, 0, 0, VD, "decoder_mode" },
 
    
    { "timestamp_mode",     "Timestamp mode",                                               OFFSET(timestamp_mode),     AV_OPT_TYPE_INT,   { .i64 = AMF_TS_SORT }, -1, AMF_TS_DECODE, VD, "timestamp_mode" },
    { "presentation",       "Preserve timestamps from input to output",                     0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_TS_PRESENTATION }, 0, 0, VD, "timestamp_mode" },
    { "sort",               "Resort PTS list",                                              0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_TS_SORT         }, 0, 0, VD, "timestamp_mode" },
    { "decode",             "Decode order",                                                 0,                          AV_OPT_TYPE_CONST, { .i64 = AMF_TS_DECODE       }, 0, 0, VD, "timestamp_mode" },
 
    
    { "surface_pool_size",  "Number of surfaces in the decode pool",                        OFFSET(surface_pool_size),  AV_OPT_TYPE_INT,  { .i64 = -1 }, -1, INT_MAX, VD, NULL },
    { "dpb_size",           "Minimum number of surfaces for reordering",                    OFFSET(dpb_size),           AV_OPT_TYPE_INT,  { .i64 = -1 }, -1, 32, VD, NULL },
 
    { "lowlatency",         "Low latency",                                                  OFFSET(lowlatency),         AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD, NULL },
    { "smart_access_video", "Smart Access Video",                                           OFFSET(smart_access_video), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD, NULL },
    { "skip_transfer_sav",  "Skip transfer on another GPU when SAV enabled",                OFFSET(skip_transfer_sav),  AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD, NULL },
    { "copy_output",        "Copy Output",                                                  OFFSET(copy_output),        AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD, NULL },
 
    { NULL }
}

Definition at line 662 of file amfdec.c.

amf_decode_class

const AVClass amf_decode_class

static

Initial value:

= {
    .class_name = "amf",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 687 of file amfdec.c.