crystalhd.c File Reference

#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <libcrystalhd/bc_dts_types.h>
#include <libcrystalhd/bc_dts_defs.h>
#include <libcrystalhd/libcrystalhd_if.h>
#include "avcodec.h"
#include "decode.h"
#include "internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"

Go to the source code of this file.

Data Structures
struct	OpaqueList
struct	CHDContext

Macros
#define	_XOPEN_SOURCE   600
#define	OUTPUT_PROC_TIMEOUT   50
	Timeout parameter passed to DtsProcOutput() in us. More...
#define	TIMESTAMP_UNIT   100000
	Step between fake timestamps passed to hardware in units of 100ns. More...
#define	DEFINE_CRYSTALHD_DECODER(x, X, bsf_name)

Enumerations
enum	CopyRet { RET_ERROR = -1, RET_OK = 0, RET_COPY_AGAIN = 1 }

Functions
static BC_MEDIA_SUBTYPE	id2subtype (CHDContext *priv, enum AVCodecID id)
static void	print_frame_info (CHDContext *priv, BC_DTS_PROC_OUT *output)
static uint64_t	opaque_list_push (CHDContext *priv, uint64_t reordered_opaque)
static OpaqueList *	opaque_list_pop (CHDContext *priv, uint64_t fake_timestamp)
static void	flush (AVCodecContext *avctx)
static av_cold int	uninit (AVCodecContext *avctx)
static av_cold int	init (AVCodecContext *avctx)
static CopyRet	copy_frame (AVCodecContext *avctx, BC_DTS_PROC_OUT *output, AVFrame *frame, int *got_frame)
static CopyRet	receive_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame)
static int	crystalhd_decode_packet (AVCodecContext *avctx, const AVPacket *avpkt)
static int	crystalhd_receive_frame (AVCodecContext *avctx, AVFrame *frame)

Variables
static const AVOption	options []

Macro Definition Documentation

_XOPEN_SOURCE

#define _XOPEN_SOURCE   600

Definition at line 48 of file crystalhd.c.

OUTPUT_PROC_TIMEOUT

#define OUTPUT_PROC_TIMEOUT   50

Timeout parameter passed to DtsProcOutput() in us.

Definition at line 69 of file crystalhd.c.

TIMESTAMP_UNIT

#define TIMESTAMP_UNIT   100000

Step between fake timestamps passed to hardware in units of 100ns.

Definition at line 71 of file crystalhd.c.

DEFINE_CRYSTALHD_DECODER

#define DEFINE_CRYSTALHD_DECODER	(		x,
			X,
			bsf_name
	)

Value:

    static const AVClass x##_crystalhd_class = { \
        .class_name = #x "_crystalhd", \
        .item_name = av_default_item_name, \
        .option = options, \
        .version = LIBAVUTIL_VERSION_INT, \
    }; \
    AVCodec ff_##x##_crystalhd_decoder = { \
        .name           = #x "_crystalhd", \
        .long_name      = NULL_IF_CONFIG_SMALL("CrystalHD " #X " decoder"), \
        .type           = AVMEDIA_TYPE_VIDEO, \
        .id             = AV_CODEC_ID_##X, \
        .priv_data_size = sizeof(CHDContext), \
        .priv_class     = &x##_crystalhd_class, \
        .init           = init, \
        .close          = uninit, \
        .receive_frame  = crystalhd_receive_frame, \
        .flush          = flush, \
        .bsfs           = bsf_name, \
        .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
        .caps_internal  = FF_CODEC_CAP_SETS_FRAME_PROPS, \
        .pix_fmts       = (const enum AVPixelFormat[]){AV_PIX_FMT_YUYV422, AV_PIX_FMT_NONE}, \
        .wrapper_name   = "crystalhd", \
    };

Definition at line 768 of file crystalhd.c.

Enumeration Type Documentation

CopyRet

enum CopyRet

Enumerator
RET_ERROR
RET_OK
RET_COPY_AGAIN

Definition at line 78 of file crystalhd.c.

Function Documentation

id2subtype()

static BC_MEDIA_SUBTYPE id2subtype ( CHDContext *  priv, enum AVCodecID  id  )

inlinestatic

Definition at line 120 of file crystalhd.c.

Referenced by init().

print_frame_info()

static void print_frame_info ( CHDContext *  priv, BC_DTS_PROC_OUT *  output  )

inlinestatic

Definition at line 140 of file crystalhd.c.

Referenced by receive_frame().

opaque_list_push()

static uint64_t opaque_list_push ( CHDContext *  priv, uint64_t  reordered_opaque  )

static

Definition at line 186 of file crystalhd.c.

Referenced by crystalhd_decode_packet().

opaque_list_pop()

static OpaqueList* opaque_list_pop ( CHDContext *  priv, uint64_t  fake_timestamp  )

static

Definition at line 214 of file crystalhd.c.

Referenced by copy_frame().

flush()

static void flush ( AVCodecContext *  avctx )

static

Definition at line 267 of file crystalhd.c.

uninit()

static av_cold int uninit ( AVCodecContext *  avctx )

static

Definition at line 279 of file crystalhd.c.

Referenced by init().

init()

static av_cold int init ( AVCodecContext *  avctx )

static

Definition at line 301 of file crystalhd.c.

copy_frame()

static CopyRet copy_frame ( AVCodecContext *  avctx, BC_DTS_PROC_OUT *  output, AVFrame *  frame, int *  got_frame  )

inlinestatic

Definition at line 421 of file crystalhd.c.

Referenced by receive_frame().

receive_frame()

static CopyRet receive_frame ( AVCodecContext *  avctx, AVFrame *  frame, int *  got_frame  )

inlinestatic

Definition at line 560 of file crystalhd.c.

Referenced by crystalhd_receive_frame().

crystalhd_decode_packet()

static int crystalhd_decode_packet ( AVCodecContext *  avctx, const AVPacket *  avpkt  )

static

Definition at line 655 of file crystalhd.c.

Referenced by crystalhd_receive_frame().

crystalhd_receive_frame()

static int crystalhd_receive_frame ( AVCodecContext *  avctx, AVFrame *  frame  )

static

Definition at line 705 of file crystalhd.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "crystalhd_downscale_width",
      "Turn on downscaling to the specified width",
      0x42,
      AV_OPT_TYPE_INT, {.i64 = 0}, 0, UINT32_MAX,
      AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, },
    { NULL, },
}

Definition at line 106 of file crystalhd.c.