dpx.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/imgutils.h"
#include "libavutil/timecode.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "dpx.h"
#include "thread.h"
#include "hwconfig.h"
#include "hwaccel_internal.h"
#include "config_components.h"

Go to the source code of this file.

Functions
static unsigned int	read16 (const uint8_t **ptr, int is_big)
static unsigned int	read32 (const uint8_t **ptr, int is_big)
static uint16_t	read10in32_gray (const uint8_t **ptr, uint32_t *lbuf, int *n_datum, int is_big, int shift)
static uint16_t	read10in32 (const uint8_t **ptr, uint32_t *lbuf, int *n_datum, int is_big, int shift)
static uint16_t	read12in32 (const uint8_t **ptr, uint32_t *lbuf, int *n_datum, int is_big)
static void	unpack_frame (AVCodecContext *avctx, AVFrame *p, const uint8_t *buf, int elements, int endian)
static enum AVPixelFormat	get_pixel_format (AVCodecContext *avctx, enum AVPixelFormat pix_fmt)
static int	decode_frame (AVCodecContext *avctx, AVFrame *p, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_end (AVCodecContext *avctx)
static av_cold int	decode_init (AVCodecContext *avctx)

Variables
const FFCodec	ff_dpx_decoder

Function Documentation

read16()

static unsigned int read16 ( const uint8_t **  ptr, int  is_big  )

static

Definition at line 37 of file dpx.c.

Referenced by decode_frame(), and unpack_frame().

read32()

static unsigned int read32 ( const uint8_t **  ptr, int  is_big  )

static

Definition at line 49 of file dpx.c.

Referenced by decode_frame(), read10in32(), read10in32_gray(), and read12in32().

read10in32_gray()

static uint16_t read10in32_gray ( const uint8_t **  ptr, uint32_t *  lbuf, int *  n_datum, int  is_big, int  shift  )

static

Definition at line 61 of file dpx.c.

Referenced by unpack_frame().

read10in32()

static uint16_t read10in32 ( const uint8_t **  ptr, uint32_t *  lbuf, int *  n_datum, int  is_big, int  shift  )

static

Definition at line 79 of file dpx.c.

Referenced by unpack_frame().

read12in32()

static uint16_t read12in32 ( const uint8_t **  ptr, uint32_t *  lbuf, int *  n_datum, int  is_big  )

static

Definition at line 94 of file dpx.c.

Referenced by unpack_frame().

unpack_frame()

static void unpack_frame ( AVCodecContext *  avctx, AVFrame *  p, const uint8_t *  buf, int  elements, int  endian  )

static

Definition at line 126 of file dpx.c.

Referenced by decode_frame(), and decode_row().

get_pixel_format()

static enum AVPixelFormat get_pixel_format ( AVCodecContext *  avctx, enum AVPixelFormat  pix_fmt  )

static

Definition at line 265 of file dpx.c.

Referenced by decode_frame().

decode_frame()

static int decode_frame ( AVCodecContext *  avctx, AVFrame *  p, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 279 of file dpx.c.

decode_end()

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 815 of file dpx.c.

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 822 of file dpx.c.

Variable Documentation

ff_dpx_decoder

const FFCodec ff_dpx_decoder

Initial value:

= {
    .p.name         = "dpx",
    CODEC_LONG_NAME("DPX (Digital Picture Exchange) image"),
    .priv_data_size = sizeof(DPXDecContext),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_DPX,
    FF_CODEC_DECODE_CB(decode_frame),
    .init           = decode_init,
    .close          = decode_end,
    UPDATE_THREAD_CONTEXT(update_thread_context),
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP |
                      FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    .hw_configs     = (const AVCodecHWConfigInternal *const []) {
 
 
 
        NULL
    },
}

Definition at line 829 of file dpx.c.