libavcodec/a64multienc.c File Reference

a64 video encoder - multicolor modes More...

#include "a64enc.h"
#include "a64colors.h"
#include "a64tables.h"
#include "elbg.h"
#include "libavutil/intreadwrite.h"

Go to the source code of this file.

Defines
#define	DITHERSTEPS   8
#define	CHARSET_CHARS   256
#define	INTERLACED   1
#define	CROP_SCREENS   1
Functions
static void	to_meta_with_crop (AVCodecContext *avctx, AVFrame *p, int *dest)
static void	render_charset (AVCodecContext *avctx, uint8_t *charset, uint8_t *colrammap)
static av_cold int	a64multi_close_encoder (AVCodecContext *avctx)
static av_cold int	a64multi_init_encoder (AVCodecContext *avctx)
static void	a64_compress_colram (unsigned char *buf, int *charmap, uint8_t *colram)
static int	a64multi_encode_frame (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
Variables
static const int	mc_colors [5] = {0x0,0xb,0xc,0xf,0x1}
AVCodec	ff_a64multi_encoder
AVCodec	ff_a64multi5_encoder

---

Detailed Description

a64 video encoder - multicolor modes

Definition in file a64multienc.c.

---

Define Documentation

#define CHARSET_CHARS   256

Definition at line 34 of file a64multienc.c.

Referenced by a64multi_encode_frame(), a64multi_init_encoder(), and render_charset().

#define CROP_SCREENS   1

Definition at line 36 of file a64multienc.c.

Referenced by a64multi_encode_frame().

#define DITHERSTEPS   8

Definition at line 33 of file a64multienc.c.

Referenced by render_charset().

#define INTERLACED   1

Definition at line 35 of file a64multienc.c.

Referenced by a64multi_encode_frame(), a64multi_init_encoder(), and render_charset().

---

Function Documentation

static void a64_compress_colram	(	unsigned char *	buf,
		int *	charmap,
		uint8_t *	colram
	)			[static]

Definition at line 227 of file a64multienc.c.

Referenced by a64multi_encode_frame().

static av_cold int a64multi_close_encoder

(

AVCodecContext *

avctx

)

[static]

Definition at line 163 of file a64multienc.c.

static int a64multi_encode_frame	(	AVCodecContext *	avctx,
		unsigned char *	buf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 242 of file a64multienc.c.

static av_cold int a64multi_init_encoder

(

AVCodecContext *

avctx

)

[static]

Definition at line 174 of file a64multienc.c.

static void render_charset	(	AVCodecContext *	avctx,
		uint8_t *	charset,
		uint8_t *	colrammap
	)			[static]

Definition at line 71 of file a64multienc.c.

Referenced by a64multi_encode_frame().

static void to_meta_with_crop	(	AVCodecContext *	avctx,
		AVFrame *	p,
		int *	dest
	)			[static]

Definition at line 45 of file a64multienc.c.

Referenced by a64multi_encode_frame().

---

Variable Documentation

AVCodec ff_a64multi5_encoder

Initial value:

 {
    .name           = "a64multi5",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_A64_MULTI5,
    .priv_data_size = sizeof(A64Context),
    .init           = a64multi_init_encoder,
    .encode         = a64multi_encode_frame,
    .close          = a64multi_close_encoder,
    .pix_fmts       = (const enum PixelFormat[]) {PIX_FMT_GRAY8, PIX_FMT_NONE},
    .long_name      = NULL_IF_CONFIG_SMALL("Multicolor charset for Commodore 64, extended with 5th color (colram)"),
    .capabilities   = CODEC_CAP_DELAY,
}

Definition at line 376 of file a64multienc.c.

AVCodec ff_a64multi_encoder

Initial value:

 {
    .name           = "a64multi",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_A64_MULTI,
    .priv_data_size = sizeof(A64Context),
    .init           = a64multi_init_encoder,
    .encode         = a64multi_encode_frame,
    .close          = a64multi_close_encoder,
    .pix_fmts       = (const enum PixelFormat[]) {PIX_FMT_GRAY8, PIX_FMT_NONE},
    .long_name      = NULL_IF_CONFIG_SMALL("Multicolor charset for Commodore 64"),
    .capabilities   = CODEC_CAP_DELAY,
}

Definition at line 363 of file a64multienc.c.

const int mc_colors[5] = {0x0,0xb,0xc,0xf,0x1} [static]

Definition at line 39 of file a64multienc.c.

Referenced by a64multi_init_encoder().