libavcodec/vda_h264.c File Reference

#include <CoreFoundation/CFDictionary.h>
#include <CoreFoundation/CFNumber.h>
#include <CoreFoundation/CFData.h>
#include "vda.h"
#include "libavutil/avutil.h"
#include "h264.h"
#include <CoreFoundation/CFString.h>

Go to the source code of this file.

Functions
static CFDictionaryRef	vda_dictionary_with_pts (int64_t i_pts)
static int64_t	vda_pts_from_dictionary (CFDictionaryRef user_info)
static void	vda_clear_queue (struct vda_context *vda_ctx)
static int	vda_decoder_decode (struct vda_context *vda_ctx, uint8_t *bitstream, int bitstream_size, int64_t frame_pts)
vda_frame *	ff_vda_queue_pop (struct vda_context *vda_ctx)
	Return the top frame of the queue.
void	ff_vda_release_vda_frame (vda_frame *frame)
	Release the given frame.
static void	vda_decoder_callback (void *vda_hw_ctx, CFDictionaryRef user_info, OSStatus status, uint32_t infoFlags, CVImageBufferRef image_buffer)
static int	vda_sync_decode (struct vda_context *vda_ctx)
static int	start_frame (AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
static int	decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
static int	end_frame (AVCodecContext *avctx)
int	ff_vda_create_decoder (struct vda_context *vda_ctx, uint8_t *extradata, int extradata_size)
	Create the video decoder.
int	ff_vda_destroy_decoder (struct vda_context *vda_ctx)
	Destroy the video decoder.
Variables
AVHWAccel	ff_h264_vda_hwaccel

---

Function Documentation

static int decode_slice	(	AVCodecContext *	avctx,
		const uint8_t *	buffer,
		uint32_t	size
	)			[static]

Definition at line 216 of file vda_h264.c.

static int end_frame

(

AVCodecContext *

avctx

)

[static]

Definition at line 242 of file vda_h264.c.

static int start_frame	(	AVCodecContext *	avctx,
		av_unused const uint8_t *	buffer,
		av_unused uint32_t	size
	)			[static]

Definition at line 202 of file vda_h264.c.

static void vda_clear_queue

(

struct vda_context *

vda_ctx

)

[static]

Definition at line 67 of file vda_h264.c.

Referenced by ff_vda_destroy_decoder().

static void vda_decoder_callback	(	void *	vda_hw_ctx,
		CFDictionaryRef	user_info,
		OSStatus	status,
		uint32_t	infoFlags,
		CVImageBufferRef	image_buffer
	)			[static]

Definition at line 127 of file vda_h264.c.

Referenced by ff_vda_create_decoder().

static int vda_decoder_decode	(	struct vda_context *	vda_ctx,
		uint8_t *	bitstream,
		int	bitstream_size,
		int64_t	frame_pts
	)			[static]

Definition at line 82 of file vda_h264.c.

Referenced by end_frame().

static CFDictionaryRef vda_dictionary_with_pts

(

int64_t

i_pts

)

[static]

Definition at line 35 of file vda_h264.c.

Referenced by vda_decoder_decode().

static int64_t vda_pts_from_dictionary

(

CFDictionaryRef

user_info

)

[static]

Definition at line 50 of file vda_h264.c.

Referenced by vda_decoder_callback().

static int vda_sync_decode

(

struct vda_context *

vda_ctx

)

[static]

< kVDADecoderFlush_emitFrames

Definition at line 182 of file vda_h264.c.

Referenced by end_frame().

---

Variable Documentation

AVHWAccel ff_h264_vda_hwaccel

Initial value:

 {
    .name           = "h264_vda",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .pix_fmt        = PIX_FMT_VDA_VLD,
    .start_frame    = start_frame,
    .decode_slice   = decode_slice,
    .end_frame      = end_frame,
}

Definition at line 374 of file vda_h264.c.