qsv_h264.c File Reference

#include <stdint.h>
#include <string.h>
#include <mfx/mfxvideo.h>
#include "libavutil/common.h"
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "qsv_internal.h"
#include "qsv.h"

Go to the source code of this file.

Data Structures
struct	QSVH264Context

Macros
#define	OFFSET(x)   offsetof(QSVH264Context, x)
#define	VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Functions
static void	qsv_clear_buffers (QSVH264Context *s)
static av_cold int	qsv_decode_close (AVCodecContext *avctx)
static av_cold int	qsv_decode_init (AVCodecContext *avctx)
static int	qsv_process_data (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
static int	qsv_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static void	qsv_decode_flush (AVCodecContext *avctx)

Variables
AVHWAccel	ff_h264_qsv_hwaccel
static const AVOption	options []
class {
class_name = "h264_qsv"
item_name = av_default_item_name
option = options
version = LIBAVUTIL_VERSION_INT
};
AVCodec	ff_h264_qsv_decoder

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(QSVH264Context, x)

Definition at line 287 of file qsv_h264.c.

#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 288 of file qsv_h264.c.

Function Documentation

static void qsv_clear_buffers ( QSVH264Context *  s )

static

Definition at line 58 of file qsv_h264.c.

Referenced by qsv_decode_close(), and qsv_decode_flush().

static av_cold int qsv_decode_close ( AVCodecContext *  avctx )

static

Definition at line 72 of file qsv_h264.c.

Referenced by qsv_decode_init().

static av_cold int qsv_decode_init ( AVCodecContext *  avctx )

static

Definition at line 89 of file qsv_h264.c.

static int qsv_process_data ( AVCodecContext *  avctx, AVFrame *  frame, int *  got_frame, AVPacket *  pkt  )

static

Definition at line 140 of file qsv_h264.c.

Referenced by qsv_decode_frame().

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

static

Definition at line 209 of file qsv_h264.c.

static void qsv_decode_flush ( AVCodecContext *  avctx )

static

Definition at line 272 of file qsv_h264.c.

Variable Documentation

AVHWAccel ff_h264_qsv_hwaccel

Initial value:

= {
    .name           = "h264_qsv",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .pix_fmt        = AV_PIX_FMT_QSV,
}

Definition at line 280 of file qsv_h264.c.

const AVOption options[]

static

Initial value:

= {
    { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VD },
    { NULL },
}

Definition at line 289 of file qsv_h264.c.

class_name = "h264_qsv"

Definition at line 295 of file qsv_h264.c.

item_name = av_default_item_name

Definition at line 296 of file qsv_h264.c.

option = options

Definition at line 297 of file qsv_h264.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 298 of file qsv_h264.c.

const { ... }

AVCodec ff_h264_qsv_decoder

Initial value:

= {
    .name           = "h264_qsv",
    .long_name      = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
    .priv_data_size = sizeof(QSVH264Context),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .init           = qsv_decode_init,
    .decode         = qsv_decode_frame,
    .flush          = qsv_decode_flush,
    .close          = qsv_decode_close,
    .capabilities   = CODEC_CAP_DELAY,
    .priv_class     = &class,
}

Definition at line 301 of file qsv_h264.c.