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Functions | Variables
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 "avcodec.h"
#include "internal.h"
#include "qsv.h"
#include "qsv_internal.h"
#include "qsvdec.h"

Go to the source code of this file.

Functions

static int qsv_init_session (AVCodecContext *avctx, QSVContext *q, mfxSession session, AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
 
static int qsv_decode_init (AVCodecContext *avctx, QSVContext *q)
 
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 QSVFramefind_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 AVCodecHWConfigInternalff_qsv_hw_configs []
 

Function Documentation

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

Definition at line 57 of file qsvdec.c.

Referenced by qsv_decode_init().

static int qsv_decode_init ( AVCodecContext avctx,
QSVContext q 
)
static

Definition at line 113 of file qsvdec.c.

Referenced by ff_qsv_process_data().

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

Definition at line 213 of file qsvdec.c.

Referenced by get_surface().

static void qsv_clear_unused_frames ( QSVContext q)
static

Definition at line 244 of file qsvdec.c.

Referenced by get_surface().

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

Definition at line 256 of file qsvdec.c.

Referenced by qsv_decode().

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

Definition at line 297 of file qsvdec.c.

Referenced by qsv_decode().

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

Definition at line 308 of file qsvdec.c.

Referenced by ff_qsv_process_data().

int ff_qsv_decode_close ( QSVContext q)

Definition at line 433 of file qsvdec.c.

Referenced by qsv_decode_close().

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

Definition at line 472 of file qsvdec.c.

Referenced by qsv_decode_frame().

void ff_qsv_decode_flush ( AVCodecContext avctx,
QSVContext q 
)

Definition at line 548 of file qsvdec.c.

Referenced by qsv_decode_flush().

Variable Documentation

const AVCodecHWConfigInternal* ff_qsv_hw_configs[]
Initial value:
= {
.public = {
.pix_fmt = AV_PIX_FMT_QSV,
.device_type = AV_HWDEVICE_TYPE_QSV,
},
.hwaccel = NULL,
},
}
#define NULL
Definition: coverity.c:32
The codec supports this format via the hw_frames_ctx interface.
Definition: avcodec.h:3320
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
Definition: pixfmt.h:218
The codec supports this format by some ad-hoc method.
Definition: avcodec.h:3336

Definition at line 44 of file qsvdec.c.