#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "idctdsp.h"
#include "mathops.h"
#include "mpeg_er.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
#include "libavutil/refstruct.h"

Macros
#define	COPY(a) bak->a = src->a

#define	ALLOC_POOL(name, size, flags)

Functions
static void	dct_unquantize_mpeg1_intra_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_mpeg1_inter_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_mpeg2_intra_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_mpeg2_intra_bitexact (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_mpeg2_inter_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_h263_intra_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	dct_unquantize_h263_inter_c (MpegEncContext s, int16_t block, int n, int qscale)

static void	gray16 (uint8_t dst, const uint8_t src, ptrdiff_t linesize, int h)

static void	gray8 (uint8_t dst, const uint8_t src, ptrdiff_t linesize, int h)

static av_cold void	dsp_init (MpegEncContext *s)

av_cold void	ff_init_scantable (const uint8_t permutation, ScanTable st, const uint8_t *src_scantable)

av_cold void	ff_mpv_idct_init (MpegEncContext *s)

static int	init_duplicate_context (MpegEncContext *s)

int	ff_mpv_init_duplicate_contexts (MpegEncContext *s)
	Initialize an MpegEncContext's thread contexts. More...

static void	free_duplicate_context (MpegEncContext *s)

static void	free_duplicate_contexts (MpegEncContext *s)

static void	backup_duplicate_context (MpegEncContext bak, MpegEncContext src)

int	ff_update_duplicate_context (MpegEncContext dst, const MpegEncContext src)

void	ff_mpv_common_defaults (MpegEncContext *s)
	Set the given MpegEncContext to common defaults (same for encoding and decoding). More...

static void	free_buffer_pools (BufferPoolContext *pools)

int	ff_mpv_init_context_frame (MpegEncContext *s)
	Initialize and allocates MpegEncContext fields dependent on the resolution. More...

static void	clear_context (MpegEncContext *s)

av_cold int	ff_mpv_common_init (MpegEncContext *s)
	init common structure for both encoder and decoder. More...

void	ff_mpv_free_context_frame (MpegEncContext *s)
	Frees and resets MpegEncContext fields depending on the resolution as well as the slice thread contexts. More...

void	ff_mpv_common_end (MpegEncContext *s)

void	ff_clean_intra_table_entries (MpegEncContext *s)
	Clean dc, ac for the current non-intra MB. More...

void	ff_init_block_index (MpegEncContext *s)

void	ff_set_qscale (MpegEncContext *s, int qscale)
	set qscale and update qscale dependent variables. More...

Detailed Description

The simplest mpeg encoder (well, it was the simplest!).

Definition in file mpegvideo.c.

Macro Definition Documentation

◆ COPY

#define COPY ( a ) bak->a = src->a

◆ ALLOC_POOL

#define ALLOC_POOL	(	name,
		size,
		flags
	)

Value:

    do { \
    pools->name ##_pool = av_refstruct_pool_alloc((size), (flags)); \
    if (!pools->name ##_pool) \
        return AVERROR(ENOMEM); \
} while (0)