vda_h264_dec.c File Reference

H.264 decoder via VDA. More...

#include <string.h>
#include <CoreFoundation/CoreFoundation.h>
#include "vda.h"
#include "h264.h"
#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	VDADecoderContext
struct	VDABufferContext

Macros
#define	kCFCoreFoundationVersionNumber10_7   635.00

Functions
static enum AVPixelFormat	get_format (struct AVCodecContext *avctx, const enum AVPixelFormat *fmt)
static void	release_buffer (void *opaque, uint8_t *data)
static int	get_buffer2 (AVCodecContext *avctx, AVFrame *pic, int flag)
static void	set_context (AVCodecContext *avctx)
static void	restore_context (AVCodecContext *avctx)
static int	vdadec_decode (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	vdadec_close (AVCodecContext *avctx)
static av_cold int	vdadec_init (AVCodecContext *avctx)
static void	vdadec_flush (AVCodecContext *avctx)

Variables
AVCodec	ff_h264_decoder
AVCodec	ff_h264_vda_decoder
static enum AVPixelFormat	vda_pixfmts_prior_10_7 []
static enum AVPixelFormat	vda_pixfmts []

Detailed Description

H.264 decoder via VDA.

Author

Xidorn Quan quanx.nosp@m.unzh.nosp@m.en@gm.nosp@m.ail..nosp@m.com

Definition in file vda_h264_dec.c.

Macro Definition Documentation

#define kCFCoreFoundationVersionNumber10_7   635.00

Definition at line 35 of file vda_h264_dec.c.

Referenced by vdadec_init().

Function Documentation

static enum AVPixelFormat get_format ( struct AVCodecContext *  avctx, const enum AVPixelFormat *  fmt  )

static

Definition at line 70 of file vda_h264_dec.c.

Referenced by set_context().

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

static

Definition at line 80 of file vda_h264_dec.c.

Referenced by get_buffer2().

static int get_buffer2 ( AVCodecContext *  avctx, AVFrame *  pic, int  flag  )

static

Definition at line 88 of file vda_h264_dec.c.

Referenced by set_context().

static void set_context ( AVCodecContext *  avctx )

inlinestatic

Definition at line 102 of file vda_h264_dec.c.

Referenced by vdadec_close(), vdadec_decode(), vdadec_flush(), and vdadec_init().

static void restore_context ( AVCodecContext *  avctx )

inlinestatic

Definition at line 117 of file vda_h264_dec.c.

Referenced by vdadec_close(), vdadec_decode(), vdadec_flush(), and vdadec_init().

static int vdadec_decode ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 128 of file vda_h264_dec.c.

static av_cold int vdadec_close ( AVCodecContext *  avctx )

static

Definition at line 164 of file vda_h264_dec.c.

Referenced by vdadec_init().

static av_cold int vdadec_init ( AVCodecContext *  avctx )

static

Definition at line 178 of file vda_h264_dec.c.

static void vdadec_flush ( AVCodecContext *  avctx )

static

Definition at line 255 of file vda_h264_dec.c.

Variable Documentation

AVCodec ff_h264_decoder

Definition at line 1980 of file h264.c.

AVCodec ff_h264_vda_decoder

Initial value:

= {
    .name           = "h264_vda",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .priv_data_size = sizeof(VDADecoderContext),
    .init           = vdadec_init,
    .close          = vdadec_close,
    .decode         = vdadec_decode,
    .capabilities   = AV_CODEC_CAP_DELAY,
    .flush          = vdadec_flush,
    .long_name      = NULL_IF_CONFIG_SMALL("H.264 (VDA acceleration)"),
}

Definition at line 262 of file vda_h264_dec.c.

enum AVPixelFormat vda_pixfmts_prior_10_7[]

static

Initial value:

= {
    AV_PIX_FMT_UYVY422,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE
}

Definition at line 40 of file vda_h264_dec.c.

Referenced by vdadec_init().

enum AVPixelFormat vda_pixfmts[]

static

Initial value:

= {
    AV_PIX_FMT_UYVY422,
    AV_PIX_FMT_YUYV422,
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE
}

Definition at line 46 of file vda_h264_dec.c.

Referenced by vdadec_init().