qsvdec.c File Reference

#include <string.h>
#include <sys/types.h>
#include <mfx/mfxvideo.h>
#include "libavutil/common.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/mem.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "internal.h"
#include "decode.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvdec.h"

Go to the source code of this file.

Functions
static int	ff_qsv_get_continuous_buffer (AVCodecContext *avctx, AVFrame *frame, AVBufferPool *pool)
static int	qsv_init_session (AVCodecContext *avctx, QSVContext *q, mfxSession session, AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
static unsigned int	qsv_fifo_item_size (void)
static unsigned int	qsv_fifo_size (const AVFifoBuffer *fifo)
static int	qsv_decode_preinit (AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
static int	qsv_decode_init (AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
static int	qsv_decode_header (AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
static int	alloc_frame (AVCodecContext *avctx, QSVContext *q, QSVFrame *frame)
static void	qsv_clear_unused_frames (QSVContext *q)
static int	get_surface (AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
static QSVFrame *	find_frame (QSVContext *q, mfxFrameSurface1 *surf)
static int	qsv_decode (AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *avpkt)
int	ff_qsv_decode_close (QSVContext *q)
int	ff_qsv_process_data (AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *pkt)
void	ff_qsv_decode_flush (AVCodecContext *avctx, QSVContext *q)

Variables
const AVCodecHWConfigInternal *	ff_qsv_hw_configs []

Function Documentation

ff_qsv_get_continuous_buffer()

static int ff_qsv_get_continuous_buffer ( AVCodecContext *  avctx, AVFrame *  frame, AVBufferPool *  pool  )

static

Definition at line 59 of file qsvdec.c.

Referenced by alloc_frame().

qsv_init_session()

static int qsv_init_session ( AVCodecContext *  avctx, QSVContext *  q, mfxSession  session, AVBufferRef *  hw_frames_ref, AVBufferRef *  hw_device_ref  )

static

Definition at line 96 of file qsvdec.c.

Referenced by qsv_decode_preinit().

qsv_fifo_item_size()

static unsigned int qsv_fifo_item_size ( void  )

inlinestatic

Definition at line 159 of file qsvdec.c.

Referenced by qsv_decode_preinit(), and qsv_fifo_size().

qsv_fifo_size()

static unsigned int qsv_fifo_size ( const AVFifoBuffer *  fifo )

inlinestatic

Definition at line 164 of file qsvdec.c.

Referenced by qsv_decode().

qsv_decode_preinit()

static int qsv_decode_preinit ( AVCodecContext *  avctx, QSVContext *  q, enum AVPixelFormat  pix_fmt, mfxVideoParam *  param  )

static

Definition at line 169 of file qsvdec.c.

Referenced by ff_qsv_process_data(), and qsv_decode_header().

qsv_decode_init()

static int qsv_decode_init ( AVCodecContext *  avctx, QSVContext *  q, mfxVideoParam *  param  )

static

Definition at line 231 of file qsvdec.c.

Referenced by ff_qsv_process_data().

qsv_decode_header()

static int qsv_decode_header ( AVCodecContext *  avctx, QSVContext *  q, AVPacket *  avpkt, enum AVPixelFormat  pix_fmt, mfxVideoParam *  param  )

static

Definition at line 257 of file qsvdec.c.

Referenced by ff_qsv_process_data().

alloc_frame()

static int alloc_frame ( AVCodecContext *  avctx, QSVContext *  q, QSVFrame *  frame  )

static

Definition at line 296 of file qsvdec.c.

Referenced by get_surface().

qsv_clear_unused_frames()

static void qsv_clear_unused_frames ( QSVContext *  q )

static

Definition at line 336 of file qsvdec.c.

Referenced by get_surface().

get_surface()

static int get_surface ( AVCodecContext *  avctx, QSVContext *  q, mfxFrameSurface1 **  surf  )

static

Definition at line 348 of file qsvdec.c.

Referenced by qsv_decode().

find_frame()

static QSVFrame* find_frame ( QSVContext *  q, mfxFrameSurface1 *  surf  )

static

Definition at line 389 of file qsvdec.c.

Referenced by qsv_decode().

qsv_decode()

static int qsv_decode ( AVCodecContext *  avctx, QSVContext *  q, AVFrame *  frame, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 400 of file qsvdec.c.

Referenced by ff_qsv_process_data().

ff_qsv_decode_close()

int ff_qsv_decode_close

(

QSVContext *

q

)

Definition at line 533 of file qsvdec.c.

Referenced by qsv_decode_close().

ff_qsv_process_data()

int ff_qsv_process_data	(	AVCodecContext *	avctx,
		QSVContext *	q,
		AVFrame *	frame,
		int *	got_frame,
		AVPacket *	pkt
	)

Definition at line 569 of file qsvdec.c.

Referenced by qsv_decode_frame().

ff_qsv_decode_flush()

void ff_qsv_decode_flush	(	AVCodecContext *	avctx,
		QSVContext *	q
	)

Definition at line 631 of file qsvdec.c.

Referenced by qsv_decode_flush().

Variable Documentation

ff_qsv_hw_configs

const AVCodecHWConfigInternal* ff_qsv_hw_configs[]

Initial value:

= {
    &(const AVCodecHWConfigInternal) {
        .public = {
            .pix_fmt     = AV_PIX_FMT_QSV,
            .methods     = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
                           AV_CODEC_HW_CONFIG_METHOD_AD_HOC,
            .device_type = AV_HWDEVICE_TYPE_QSV,
        },
        .hwaccel = NULL,
    },
    NULL
}

Definition at line 46 of file qsvdec.c.