#include <stdint.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "motion_est.h"
#include "mpegpicture.h"
#include "mpegvideo.h"
#include "refstruct.h"
#include "threadframe.h"

Macros
#define	MAKE_WRITABLE(table)

#define	EMU_EDGE_HEIGHT (4 * 70)

Functions
static void av_noinline	free_picture_tables (Picture *pic)

static int	make_table_writable (AVBufferRef **ref)

static int	make_tables_writable (Picture *pic)

int	ff_mpeg_framesize_alloc (AVCodecContext avctx, MotionEstContext me, ScratchpadContext *sc, int linesize)

static int	handle_pic_linesizes (AVCodecContext avctx, Picture pic, MotionEstContext me, ScratchpadContext sc, int linesize, int uvlinesize)
	Check the pic's linesize and allocate linesize dependent scratch buffers. More...

static int	alloc_picture_tables (AVCodecContext avctx, Picture pic, int encoding, int out_format, int mb_stride, int mb_width, int mb_height, int b8_stride)

int	ff_alloc_picture (AVCodecContext avctx, Picture pic, MotionEstContext me, ScratchpadContext sc, int encoding, int out_format, int mb_stride, int mb_width, int mb_height, int b8_stride, ptrdiff_t linesize, ptrdiff_t uvlinesize)
	Allocate a Picture. More...

void	ff_mpeg_unref_picture (Picture *pic)
	Deallocate a picture; frees the picture tables in case they need to be reallocated anyway. More...

int	ff_update_picture_tables (Picture dst, const Picture src)

int	ff_mpeg_ref_picture (Picture dst, Picture src)

static int	pic_is_unused (Picture *pic)

static int	find_unused_picture (AVCodecContext avctx, Picture picture, int shared)

int	ff_find_unused_picture (AVCodecContext avctx, Picture picture, int shared)

void av_cold	ff_mpv_picture_free (Picture *pic)

Macro Definition Documentation

◆ MAKE_WRITABLE

#define MAKE_WRITABLE ( table )

Value:

do {\
    int ret = make_table_writable(&pic->table); \
    if (ret < 0) \
        return ret; \
} while (0)

◆ EMU_EDGE_HEIGHT

#define EMU_EDGE_HEIGHT (4 * 70)

Function Documentation

◆ free_picture_tables()

static void av_noinline free_picture_tables ( Picture * pic )

static

Definition at line 36 of file mpegpicture.c.

Referenced by ff_alloc_picture(), ff_mpeg_unref_picture(), ff_mpv_picture_free(), and ff_update_picture_tables().

◆ make_table_writable()

static int make_table_writable ( AVBufferRef ** ref )

static

Definition at line 51 of file mpegpicture.c.

◆ make_tables_writable()

static int make_tables_writable ( Picture * pic )

static

Definition at line 65 of file mpegpicture.c.

Referenced by ff_alloc_picture().

◆ ff_mpeg_framesize_alloc()

int ff_mpeg_framesize_alloc	(	AVCodecContext *	avctx,
		MotionEstContext *	me,
		ScratchpadContext *	sc,
		int	linesize
	)

Definition at line 88 of file mpegpicture.c.

Referenced by ff_mpeg_update_thread_context(), ff_update_duplicate_context(), and handle_pic_linesizes().

◆ handle_pic_linesizes()

static int handle_pic_linesizes	(	AVCodecContext *	avctx,
		Picture *	pic,
		MotionEstContext *	me,
		ScratchpadContext *	sc,
		int	linesize,
		int	uvlinesize
	)

static

Check the pic's linesize and allocate linesize dependent scratch buffers.

Definition at line 128 of file mpegpicture.c.

Referenced by ff_alloc_picture().

◆ alloc_picture_tables()

static int alloc_picture_tables	(	AVCodecContext *	avctx,
		Picture *	pic,
		int	encoding,
		int	out_format,
		int	mb_stride,
		int	mb_width,
		int	mb_height,
		int	b8_stride
	)

static

Definition at line 164 of file mpegpicture.c.

Referenced by ff_alloc_picture().

◆ ff_alloc_picture()

int ff_alloc_picture	(	AVCodecContext *	avctx,
		Picture *	pic,
		MotionEstContext *	me,
		ScratchpadContext *	sc,
		int	encoding,
		int	out_format,
		int	mb_stride,
		int	mb_width,
		int	mb_height,
		int	b8_stride,
		ptrdiff_t *	linesize,
		ptrdiff_t *	uvlinesize
	)