#include "libavutil/frame.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "get_bits.h"
#include "mpegpicture.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"

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_reconstruct_mb (MpegEncContext *s, int16_t block[12][64])

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 45 of file mpegvideo_dec.c.

Referenced by ff_h263_decode_init(), ff_rv34_decode_init(), ff_vc1_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 )

Definition at line 190 of file mpegvideo_dec.c.

Referenced by ff_h263_decode_frame(), ff_mpeg_update_thread_context(), ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

◆ 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 323 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_reconstruct_mb()

void ff_mpv_reconstruct_mb	(	MpegEncContext *	s,
		int16_t	block[12][64]
	)

Definition at line 970 of file mpegvideo_dec.c.

Referenced by decode_slice(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg_decode_slice(), mpeg_er_decode_mb(), and rv10_decode_packet().

◆ ff_mpv_report_decode_progress()

void ff_mpv_report_decode_progress ( MpegEncContext * s )

Definition at line 526 of file mpegvideo_dec.c.

Referenced by decode_slice(), and mpeg_decode_slice().

◆ ff_mpv_frame_end()

void ff_mpv_frame_end ( MpegEncContext * s )

Definition at line 452 of file mpegvideo_dec.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), and vc1_decode_frame().

◆ 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 467 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 62 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
	)

Definition at line 497 of file mpegvideo_dec.c.

Referenced by d3d12va_mpeg2_end_frame(), decode_slice(), dxva2_mpeg2_end_frame(), mpeg_decode_slice(), vaapi_mpeg2_end_frame(), and vaapi_mpeg4_end_frame().

◆ ff_mpeg_flush()

void ff_mpeg_flush ( AVCodecContext * avctx )

Definition at line 505 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
	)

Definition at line 460 of file mpegvideo_dec.c.

Referenced by ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().

◆ mpeg_get_qscale()

static int mpeg_get_qscale ( MpegEncContext * s )

inlinestatic

Definition at line 64 of file mpegvideodec.h.

Referenced by ff_mpeg4_decode_studio_slice_header(), ipu_decode_frame(), mpeg4_decode_studio_mb(), mpeg_decode_mb(), and mpeg_decode_slice().

◆ check_marker()

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