FFmpeg
Macros | Functions
mpegvideodec.h File Reference
#include "libavutil/frame.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "get_bits.h"
#include "mpegpicture.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"

Go to the source code of this file.

Macros

#define FF_MPV_QSCALE_TYPE_MPEG1   0
 
#define FF_MPV_QSCALE_TYPE_MPEG2   1
 

Functions

void ff_mpv_decode_init (MpegEncContext *s, AVCodecContext *avctx)
 Initialize the given MpegEncContext for decoding. More...
 
int ff_mpv_common_frame_size_change (MpegEncContext *s)
 
int ff_mpv_frame_start (MpegEncContext *s, AVCodecContext *avctx)
 generic function called after decoding the header and before a frame is decoded. More...
 
void ff_mpv_report_decode_progress (MpegEncContext *s)
 
void ff_mpv_frame_end (MpegEncContext *s)
 
int ff_mpv_export_qp_table (const MpegEncContext *s, AVFrame *f, const Picture *p, int qp_type)
 
int ff_mpeg_update_thread_context (AVCodecContext *dst, const AVCodecContext *src)
 
void ff_mpeg_draw_horiz_band (MpegEncContext *s, int y, int h)
 
void ff_mpeg_flush (AVCodecContext *avctx)
 
void ff_print_debug_info (const MpegEncContext *s, const Picture *p, AVFrame *pict)
 
static int mpeg_get_qscale (MpegEncContext *s)
 
static int check_marker (void *logctx, GetBitContext *s, const char *msg)
 

Detailed Description

mpegvideo decoder header.

Definition in file mpegvideodec.h.

Macro Definition Documentation

◆ FF_MPV_QSCALE_TYPE_MPEG1

#define FF_MPV_QSCALE_TYPE_MPEG1   0

Definition at line 40 of file mpegvideodec.h.

◆ FF_MPV_QSCALE_TYPE_MPEG2

#define FF_MPV_QSCALE_TYPE_MPEG2   1

Definition at line 41 of file mpegvideodec.h.

Function Documentation

◆ ff_mpv_decode_init()

void ff_mpv_decode_init ( MpegEncContext s,
AVCodecContext avctx 
)

Initialize the given MpegEncContext for decoding.

the changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 37 of file mpegvideo_dec.c.

Referenced by ff_h263_decode_init(), ff_rv34_decode_init(), h261_decode_init(), ipu_decode_init(), mpeg_decode_init(), and rv10_decode_init().

◆ ff_mpv_common_frame_size_change()

int ff_mpv_common_frame_size_change ( MpegEncContext s)

◆ ff_mpv_frame_start()

int ff_mpv_frame_start ( MpegEncContext s,
AVCodecContext avctx 
)

generic function called after decoding the header and before a frame is decoded.

Definition at line 263 of file mpegvideo_dec.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), and vc1_decode_frame().

◆ ff_mpv_report_decode_progress()

void ff_mpv_report_decode_progress ( MpegEncContext s)

Definition at line 561 of file mpegvideo_dec.c.

Referenced by decode_slice(), and mpeg_decode_slice().

◆ ff_mpv_frame_end()

void ff_mpv_frame_end ( MpegEncContext s)

◆ ff_mpv_export_qp_table()

int ff_mpv_export_qp_table ( const MpegEncContext s,
AVFrame f,
const Picture p,
int  qp_type 
)

Definition at line 494 of file mpegvideo_dec.c.

Referenced by ff_h263_decode_frame(), finish_frame(), rv10_decode_frame(), and slice_end().

◆ ff_mpeg_update_thread_context()

int ff_mpeg_update_thread_context ( AVCodecContext dst,
const AVCodecContext src 
)

Definition at line 51 of file mpegvideo_dec.c.

Referenced by ff_rv34_decode_update_thread_context().

◆ ff_mpeg_draw_horiz_band()

void ff_mpeg_draw_horiz_band ( MpegEncContext s,
int  y,
int  h 
)

◆ ff_mpeg_flush()

void ff_mpeg_flush ( AVCodecContext avctx)

Definition at line 532 of file mpegvideo_dec.c.

Referenced by decode_wmv9(), and flush().

◆ ff_print_debug_info()

void ff_print_debug_info ( const MpegEncContext s,
const Picture p,
AVFrame pict 
)

◆ mpeg_get_qscale()

static int mpeg_get_qscale ( MpegEncContext s)
inlinestatic

◆ check_marker()

static int check_marker ( void *  logctx,
GetBitContext s,
const char *  msg 
)
inlinestatic