#include "avcodec.h"
#include "libavcodec/ass.h"
#include "libavcodec/dvbtxt.h"
#include "libavutil/opt.h"
#include "libavutil/bprint.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/common.h"
#include <libzvbi.h>

Data Structures
struct	TeletextPage

struct	TeletextContext

Macros
#define	TEXT_MAXSZ (25 * (56 + 1) * 4 + 2)

#define	VBI_NB_COLORS 40

#define	VBI_TRANSPARENT_BLACK 8

#define	RGBA(r, g, b, a) (((a) << 24) \| ((r) << 16) \| ((g) << 8) \| (b))

#define	VBI_R(rgba) (((rgba) >> 0) & 0xFF)

#define	VBI_G(rgba) (((rgba) >> 8) & 0xFF)

#define	VBI_B(rgba) (((rgba) >> 16) & 0xFF)

#define	VBI_A(rgba) (((rgba) >> 24) & 0xFF)

#define	MAX_BUFFERED_PAGES 25

#define	BITMAP_CHAR_WIDTH 12

#define	BITMAP_CHAR_HEIGHT 10

#define	MAX_SLICES 64

#define	IS_TXT_SPACE(ch)

#define	OFFSET(x) offsetof(TeletextContext, x)

#define	SD AV_OPT_FLAG_SUBTITLE_PARAM \| AV_OPT_FLAG_DECODING_PARAM

Functions
static int	my_ass_subtitle_header (AVCodecContext *avctx)

static int	chop_spaces_utf8 (const unsigned char *t, int len)

static void	subtitle_rect_free (AVSubtitleRect **sub_rect)

static char *	create_ass_text (TeletextContext ctx, const char text)

static int	gen_sub_text (TeletextContext ctx, AVSubtitleRect sub_rect, vbi_page *page, int chop_top)

static void	bprint_color (const char type, AVBPrint buf, vbi_page *page, unsigned ci)

static void	get_trim_info (vbi_page page, vbi_char row, int leading, int trailing, int *olen)

static void	decode_string (vbi_page page, vbi_char row, AVBPrint buf, int start, int end, vbi_color cur_color, vbi_color *cur_back_color)

static int	gen_sub_ass (TeletextContext ctx, AVSubtitleRect sub_rect, vbi_page *page, int chop_top)

static void	fix_transparency (TeletextContext ctx, AVSubtitleRect sub_rect, vbi_page *page, int chop_top, int resx, int resy)

static int	gen_sub_bitmap (TeletextContext ctx, AVSubtitleRect sub_rect, vbi_page *page, int chop_top)

static void	handler (vbi_event ev, void user_data)

static int	slice_to_vbi_lines (TeletextContext ctx, uint8_t buf, int size)

static int	teletext_decode_frame (AVCodecContext avctx, void data, int data_size, AVPacket pkt)

static int	teletext_init_decoder (AVCodecContext *avctx)

static int	teletext_close_decoder (AVCodecContext *avctx)

static void	teletext_flush (AVCodecContext *avctx)

Variables
static const AVOption	options []

static const AVClass	teletext_class

AVCodec	ff_libzvbi_teletext_decoder

Macro Definition Documentation

#define TEXT_MAXSZ (25 * (56 + 1) * 4 + 2)

Definition at line 33 of file libzvbi-teletextdec.c.

Referenced by gen_sub_text().

#define VBI_NB_COLORS 40

Definition at line 34 of file libzvbi-teletextdec.c.

Referenced by fix_transparency(), and gen_sub_bitmap().

#define VBI_TRANSPARENT_BLACK 8

Definition at line 35 of file libzvbi-teletextdec.c.

Referenced by fix_transparency(), and gen_sub_bitmap().

#define RGBA	(	r,
		g,
		b,
		a
	)	(((a) << 24) \| ((r) << 16) \| ((g) << 8) \| (b))

Definition at line 36 of file libzvbi-teletextdec.c.

Referenced by gen_sub_bitmap().

#define VBI_R ( rgba ) (((rgba) >> 0) & 0xFF)

Definition at line 37 of file libzvbi-teletextdec.c.

Referenced by bprint_color(), and gen_sub_bitmap().

#define VBI_G ( rgba ) (((rgba) >> 8) & 0xFF)

Definition at line 38 of file libzvbi-teletextdec.c.

Referenced by bprint_color(), and gen_sub_bitmap().

#define VBI_B ( rgba ) (((rgba) >> 16) & 0xFF)

Definition at line 39 of file libzvbi-teletextdec.c.

Referenced by bprint_color(), and gen_sub_bitmap().

#define VBI_A ( rgba ) (((rgba) >> 24) & 0xFF)

Definition at line 40 of file libzvbi-teletextdec.c.

Referenced by gen_sub_bitmap().

#define MAX_BUFFERED_PAGES 25

Definition at line 41 of file libzvbi-teletextdec.c.

Referenced by handler().

#define BITMAP_CHAR_WIDTH 12

Definition at line 42 of file libzvbi-teletextdec.c.

Referenced by fix_transparency(), gen_sub_bitmap(), and teletext_init_decoder().

#define BITMAP_CHAR_HEIGHT 10

Definition at line 43 of file libzvbi-teletextdec.c.

Referenced by fix_transparency(), gen_sub_bitmap(), and teletext_init_decoder().

#define MAX_SLICES 64

Definition at line 44 of file libzvbi-teletextdec.c.

Referenced by slice_to_vbi_lines().

#define IS_TXT_SPACE ( ch )

Value:

((ch).unicode < 0x0020 || (ch).unicode >= 0xe000 || (ch).unicode == 0x00a0 ||\

(ch).size > VBI_DOUBLE_SIZE || (ch).opacity == VBI_TRANSPARENT_SPACE)

ch

uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch ch

Definition: audioconvert.c:56

Definition at line 240 of file libzvbi-teletextdec.c.

Referenced by decode_string(), and get_trim_info().

#define OFFSET ( x ) offsetof(TeletextContext, x)

Definition at line 791 of file libzvbi-teletextdec.c.

#define SD AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 792 of file libzvbi-teletextdec.c.

Function Documentation

static int my_ass_subtitle_header ( AVCodecContext * avctx )

static

Definition at line 83 of file libzvbi-teletextdec.c.

Referenced by teletext_init_decoder().

static int chop_spaces_utf8	(	const unsigned char *	t,
		int	len
	)

static

Definition at line 129 of file libzvbi-teletextdec.c.

Referenced by gen_sub_text().

static void subtitle_rect_free ( AVSubtitleRect ** sub_rect )

static

Definition at line 140 of file libzvbi-teletextdec.c.

Referenced by teletext_close_decoder(), and teletext_decode_frame().

static char* create_ass_text	(	TeletextContext *	ctx,
		const char *	text
	)

static

Definition at line 148 of file libzvbi-teletextdec.c.

Referenced by gen_sub_text().

static int gen_sub_text	(	TeletextContext *	ctx,
		AVSubtitleRect *	sub_rect,
		vbi_page *	page,
		int	chop_top
	)

static

Definition at line 165 of file libzvbi-teletextdec.c.

Referenced by handler().

static void bprint_color	(	const char *	type,
		AVBPrint *	buf,
		vbi_page *	page,
		unsigned	ci
	)

static

Definition at line 232 of file libzvbi-teletextdec.c.

Referenced by decode_string().

static void get_trim_info	(	vbi_page *	page,
		vbi_char *	row,
		int *	leading,
		int *	trailing,
		int *	olen
	)

static

Definition at line 243 of file libzvbi-teletextdec.c.

Referenced by gen_sub_ass().

static void decode_string	(	vbi_page *	page,
		vbi_char *	row,
		AVBPrint *	buf,
		int	start,
		int	end,
		vbi_color *	cur_color,
		vbi_color *	cur_back_color
	)

static

Definition at line 263 of file libzvbi-teletextdec.c.

Referenced by gen_sub_ass().

static int gen_sub_ass	(	TeletextContext *	ctx,
		AVSubtitleRect *	sub_rect,
		vbi_page *	page,
		int	chop_top
	)

static

Definition at line 293 of file libzvbi-teletextdec.c.

Referenced by handler().

static void fix_transparency	(	TeletextContext *	ctx,
		AVSubtitleRect *	sub_rect,
		vbi_page *	page,
		int	chop_top,
		int	resx,
		int	resy
	)

static

Definition at line 410 of file libzvbi-teletextdec.c.

Referenced by gen_sub_bitmap().

static int gen_sub_bitmap	(	TeletextContext *	ctx,
		AVSubtitleRect *	sub_rect,
		vbi_page *	page,
		int	chop_top
	)

static

Definition at line 449 of file libzvbi-teletextdec.c.

Referenced by handler().

static void handler	(	vbi_event *	ev,
		void *	user_data
	)

static

Definition at line 506 of file libzvbi-teletextdec.c.

Referenced by avi_read_header(), ff_rtp_handler_find_by_id(), ff_rtp_handler_find_by_name(), ff_rtp_parse_set_dynamic_protocol(), and teletext_decode_frame().

static int slice_to_vbi_lines	(	TeletextContext *	ctx,
		uint8_t *	buf,
		int	size
	)

static

Definition at line 582 of file libzvbi-teletextdec.c.

Referenced by teletext_decode_frame().

static int teletext_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	pkt
	)

static

Definition at line 638 of file libzvbi-teletextdec.c.

static int teletext_init_decoder ( AVCodecContext * avctx )

static

Definition at line 729 of file libzvbi-teletextdec.c.

static int teletext_close_decoder ( AVCodecContext * avctx )

static

Definition at line 766 of file libzvbi-teletextdec.c.

Referenced by teletext_flush().

static void teletext_flush ( AVCodecContext * avctx )

static

Definition at line 786 of file libzvbi-teletextdec.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    {"txt_page",        "page numbers to decode, subtitle for subtitles, * for all", OFFSET(pgno),   AV_OPT_TYPE_STRING, {.str = "*"},      0, 0,        SD},
    {"txt_chop_top",    "discards the top teletext line",                    OFFSET(chop_top),       AV_OPT_TYPE_INT,    {.i64 = 1},        0, 1,        SD},
    {"txt_format",      "format of the subtitles (bitmap or text or ass)",   OFFSET(format_id),      AV_OPT_TYPE_INT,    {.i64 = 0},        0, 2,        SD,  "txt_format"},
    {"bitmap",          NULL,                                                0,                      AV_OPT_TYPE_CONST,  {.i64 = 0},        0, 0,        SD,  "txt_format"},
    {"text",            NULL,                                                0,                      AV_OPT_TYPE_CONST,  {.i64 = 1},        0, 0,        SD,  "txt_format"},
    {"ass",             NULL,                                                0,                      AV_OPT_TYPE_CONST,  {.i64 = 2},        0, 0,        SD,  "txt_format"},
    {"txt_left",        "x offset of generated bitmaps",                     OFFSET(x_offset),       AV_OPT_TYPE_INT,    {.i64 = 0},        0, 65535,    SD},
    {"txt_top",         "y offset of generated bitmaps",                     OFFSET(y_offset),       AV_OPT_TYPE_INT,    {.i64 = 0},        0, 65535,    SD},
    {"txt_chop_spaces", "chops leading and trailing spaces from text",       OFFSET(chop_spaces),    AV_OPT_TYPE_INT,    {.i64 = 1},        0, 1,        SD},
    {"txt_duration",    "display duration of teletext pages in msecs",       OFFSET(sub_duration),   AV_OPT_TYPE_INT,    {.i64 = -1},      -1, 86400000, SD},
    {"txt_transparent", "force transparent background of the teletext",      OFFSET(transparent_bg), AV_OPT_TYPE_INT,    {.i64 = 0},        0, 1,        SD},
    {"txt_opacity",     "set opacity of the transparent background",         OFFSET(opacity),        AV_OPT_TYPE_INT,    {.i64 = -1},      -1, 255,      SD},
    { NULL },
}

Definition at line 793 of file libzvbi-teletextdec.c.

const AVClass teletext_class

static

Initial value:

= {
    .class_name = "libzvbi_teletextdec",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 809 of file libzvbi-teletextdec.c.

AVCodec ff_libzvbi_teletext_decoder

Initial value:

= {
    .name      = "libzvbi_teletextdec",
    .long_name = NULL_IF_CONFIG_SMALL("Libzvbi DVB teletext decoder"),
    .type      = AVMEDIA_TYPE_SUBTITLE,
    .id        = AV_CODEC_ID_DVB_TELETEXT,
    .priv_data_size = sizeof(TeletextContext),
    .init      = teletext_init_decoder,
    .close     = teletext_close_decoder,
    .decode    = teletext_decode_frame,
    .capabilities = AV_CODEC_CAP_DELAY,
    .flush     = teletext_flush,
    .priv_class= &teletext_class,
    .wrapper_name = "libzvbi",
}

Definition at line 816 of file libzvbi-teletextdec.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation