libavcodec/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
Defines
#define	kCFCoreFoundationVersionNumber10_7   635.00
Functions
static enum PixelFormat	get_format (struct AVCodecContext *avctx, const enum PixelFormat *fmt)
static int	get_buffer (AVCodecContext *avctx, AVFrame *pic)
static void	release_buffer (AVCodecContext *avctx, AVFrame *pic)
static int	vdadec_decode (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int	vdadec_close (AVCodecContext *avctx)
static av_cold int	check_format (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 PixelFormat	vda_pixfmts_prior_10_7 []
static enum PixelFormat	vda_pixfmts []

---

Detailed Description

H.264 decoder via VDA.

Author:

Xidorn Quan <quanxunzhen@gmail.com>

Definition in file vda_h264_dec.c.

---

Define Documentation

#define kCFCoreFoundationVersionNumber10_7   635.00

Definition at line 35 of file vda_h264_dec.c.

Referenced by vdadec_init().

---

Function Documentation

static av_cold int check_format

(

AVCodecContext *

avctx

)

[static]

Definition at line 126 of file vda_h264_dec.c.

Referenced by vdadec_init().

static int get_buffer	(	AVCodecContext *	avctx,
		AVFrame *	pic
	)			[static]

Definition at line 67 of file vda_h264_dec.c.

Referenced by vdadec_init().

static enum PixelFormat get_format	(	struct AVCodecContext *	avctx,
		const enum PixelFormat *	fmt
	)			[static]

Definition at line 61 of file vda_h264_dec.c.

Referenced by vdadec_init().

static void release_buffer	(	AVCodecContext *	avctx,
		AVFrame *	pic
	)			[static]

Definition at line 74 of file vda_h264_dec.c.

Referenced by vdadec_init().

static av_cold int vdadec_close

(

AVCodecContext *

avctx

)

[static]

Definition at line 115 of file vda_h264_dec.c.

Referenced by vdadec_init().

static int vdadec_decode	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	avpkt
	)			[static]

Definition at line 86 of file vda_h264_dec.c.

static void vdadec_flush

(

AVCodecContext *

avctx

)

[static]

Definition at line 242 of file vda_h264_dec.c.

static av_cold int vdadec_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 168 of file vda_h264_dec.c.

---

Variable Documentation

AVCodec ff_h264_decoder

Definition at line 4220 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   = CODEC_CAP_DELAY,
    .flush          = vdadec_flush,
    .long_name      = NULL_IF_CONFIG_SMALL("H.264 (VDA acceleration)"),
}

Definition at line 247 of file vda_h264_dec.c.

enum PixelFormat vda_pixfmts[] [static]

Initial value:

 {
    PIX_FMT_UYVY422,
    PIX_FMT_YUYV422,
    PIX_FMT_NV12,
    PIX_FMT_YUV420P,
    PIX_FMT_NONE
}

Definition at line 46 of file vda_h264_dec.c.

Referenced by vdadec_init().

enum PixelFormat vda_pixfmts_prior_10_7[] [static]

Initial value:

 {
    PIX_FMT_UYVY422,
    PIX_FMT_YUV420P,
    PIX_FMT_NONE
}

Definition at line 40 of file vda_h264_dec.c.

Referenced by vdadec_init().