#include <vlc_common.h>
#include <vlc_plugin.h>
#include <assert.h>
-#include <stdint.h>
#include <libzvbi.h>
#include "vlc_vout.h"
-#include "vlc_bits.h"
#include "vlc_codec.h"
-#include "vlc_image.h"
-
-typedef enum {
- DATA_UNIT_EBU_TELETEXT_NON_SUBTITLE = 0x02,
- DATA_UNIT_EBU_TELETEXT_SUBTITLE = 0x03,
- DATA_UNIT_EBU_TELETEXT_INVERTED = 0x0C,
-
- DATA_UNIT_ZVBI_WSS_CPR1204 = 0xB4,
- DATA_UNIT_ZVBI_CLOSED_CAPTION_525 = 0xB5,
- DATA_UNIT_ZVBI_MONOCHROME_SAMPLES_525 = 0xB6,
-
- DATA_UNIT_VPS = 0xC3,
- DATA_UNIT_WSS = 0xC4,
- DATA_UNIT_CLOSED_CAPTION = 0xC5,
- DATA_UNIT_MONOCHROME_SAMPLES = 0xC6,
-
- DATA_UNIT_STUFFING = 0xFF,
-} data_unit_id;
/*****************************************************************************
* Module descriptor.
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-static subpicture_t *Decode( decoder_t *, block_t ** );
#define PAGE_TEXT N_("Teletext page")
#define PAGE_LONGTEXT N_("Open the indicated Teletext page." \
#define TELX_LONGTEXT N_( "Output teletext subtitles as text " \
"instead of as RGBA" )
-// #define ZVBI_DEBUG
-
static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
static const char *const ppsz_pos_descriptions[] =
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
* Local structures
****************************************************************************/
+// #define ZVBI_DEBUG
+
+typedef enum {
+ DATA_UNIT_EBU_TELETEXT_NON_SUBTITLE = 0x02,
+ DATA_UNIT_EBU_TELETEXT_SUBTITLE = 0x03,
+ DATA_UNIT_EBU_TELETEXT_INVERTED = 0x0C,
+
+ DATA_UNIT_ZVBI_WSS_CPR1204 = 0xB4,
+ DATA_UNIT_ZVBI_CLOSED_CAPTION_525 = 0xB5,
+ DATA_UNIT_ZVBI_MONOCHROME_SAMPLES_525 = 0xB6,
+
+ DATA_UNIT_VPS = 0xC3,
+ DATA_UNIT_WSS = 0xC4,
+ DATA_UNIT_CLOSED_CAPTION = 0xC5,
+ DATA_UNIT_MONOCHROME_SAMPLES = 0xC6,
+
+ DATA_UNIT_STUFFING = 0xFF,
+} data_unit_id;
+
struct decoder_sys_t
{
vbi_decoder * p_vbi_dec;
/* Positioning of Teletext images */
int i_align;
-
- /* Misc */
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- image_handler_t *p_image;
-#endif
};
+static subpicture_t *Decode( decoder_t *, block_t ** );
+
static void event_handler( vbi_event *ev, void *user_data );
static int RequestPage( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data );
static int OpaquePage( decoder_t *p_dec, vbi_page p_page, video_format_t fmt,
picture_t **p_src );
-static int Opaque_32bpp( decoder_t *p_dec, vbi_page p_page, video_format_t fmt,
- picture_t **p_src );
-static int Opaque_8bpp( decoder_t *p_dec, vbi_page p_page, video_format_t fmt,
- picture_t **p_src );
static int Opaque( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data );
return VLC_ENOMEM;
memset( p_sys, 0, sizeof(decoder_sys_t) );
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- p_sys->p_image = image_HandlerCreate( VLC_OBJECT(p_dec) );
- if( !p_sys->p_image )
- {
- free( p_sys );
- return VLC_ENOMEM;
- }
-#endif
-
p_sys->b_update = false;
p_sys->p_vbi_dec = vbi_decoder_new();
p_sys->p_dvb_demux = vbi_dvb_pes_demux_new( NULL, NULL );
if( p_sys->b_text )
p_dec->fmt_out.video.i_chroma = VLC_FOURCC('T','E','X','T');
else
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- p_dec->fmt_out.video.i_chroma = VLC_FOURCC('Y','U','V','A');
-#else
p_dec->fmt_out.video.i_chroma = VLC_FOURCC('R','G','B','A');
-#endif
return VLC_SUCCESS;
}
var_DelCallback( p_dec, "vbi-page", RequestPage, p_sys );
var_DelCallback( p_dec, "vbi-opaque", Opaque, p_sys );
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- if( p_sys->p_image ) image_HandlerDelete( p_sys->p_image );
-#endif
if( p_sys->p_vbi_dec ) vbi_decoder_delete( p_sys->p_vbi_dec );
if( p_sys->p_dvb_demux ) vbi_dvb_demux_delete( p_sys->p_dvb_demux );
free( p_sys );
/* Create a new subpicture region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = p_sys->b_text ? VLC_FOURCC('T','E','X','T') :
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- VLC_FOURCC('Y','U','V','A');
-#else
VLC_FOURCC('R','G','B','A');
-#endif
fmt.i_aspect = p_sys->b_text ? 0 : VOUT_ASPECT_FACTOR;
if( !p_sys->b_text )
{
}
else
{
-#if defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)
- video_format_t fmt_in;
- picture_t *p_pic, *p_dest;
-
- p_pic = ( picture_t * ) malloc( sizeof( picture_t ) );
- if( !p_pic )
- goto error;
-
- memset( &fmt_in, 0, sizeof( video_format_t ) );
- memset( p_pic, 0, sizeof( picture_t ) );
-
- fmt_in = fmt;
- fmt_in.i_chroma = VLC_FOURCC('R','G','B','A');
-
- vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic, fmt_in.i_chroma,
- fmt_in.i_width, fmt_in.i_height, fmt_in.i_aspect );
- if( !p_pic->i_planes )
- {
- free( p_pic->p_data_orig );
- free( p_pic );
- goto error;
- }
-
- vbi_draw_vt_page( &p_page, ZVBI_PIXFMT_RGBA32,
- p_pic->p->p_pixels, 1, 1 );
-
- p_pic->p->i_lines = p_page.rows * 10;
- p_pic->p->i_pitch = p_page.columns * 12 * 4;
-
-#ifdef ZVBI_DEBUG
- msg_Dbg( p_dec, "page %x-%x(%d,%d)",
- p_page.pgno, p_page.subno,
- p_page.rows, p_page.columns );
-#endif
- p_dest = image_Convert( p_sys->p_image, p_pic, &fmt_in,
- &p_spu->p_region->fmt );
- if( !p_dest )
- {
- free( p_pic->p_data_orig );
- free( p_pic );
- msg_Err( p_dec, "chroma conversion failed" );
- goto error;
- }
- OpaquePage( p_dec, p_page, p_spu->p_region->fmt, &p_dest );
- vout_CopyPicture( VLC_OBJECT(p_dec), &(p_spu->p_region->picture),
- p_dest );
-
- free( p_pic->p_data_orig );
- free( p_pic );
-
- free( p_dest->p_data_orig );
- free( p_dest );
-#else
picture_t *p_pic;
vbi_draw_vt_page( &p_page, ZVBI_PIXFMT_RGBA32,
p_pic = &(p_spu->p_region->picture);
OpaquePage( p_dec, p_page, fmt, &p_pic );
-#endif
}
#undef ZVBI_PIXFMT_RGBA32
static int OpaquePage( decoder_t *p_dec, vbi_page p_page,
video_format_t fmt, picture_t **p_src )
-{
- int result = VLC_EGENERIC;
-
- /* Kludge since zvbi doesn't provide an option to specify opacity. */
- switch( fmt.i_chroma )
- {
- case VLC_FOURCC('R','G','B','A' ):
- result = Opaque_32bpp( p_dec, p_page, fmt, p_src );
- break;
- case VLC_FOURCC('Y','U','V','A' ):
- result = Opaque_8bpp( p_dec, p_page, fmt, p_src );
- break;
- default:
- msg_Err( p_dec, "chroma not supported %4.4s", (char *)&fmt.i_chroma );
- return VLC_EGENERIC;
- }
- return result;
-}
-
-static int Opaque_32bpp( decoder_t *p_dec, vbi_page p_page,
- video_format_t fmt, picture_t **p_src )
{
decoder_sys_t *p_sys = (decoder_sys_t *) p_dec->p_sys;
uint32_t *p_begin, *p_end;
unsigned int x = 0, y = 0;
vbi_opacity opacity;
+ assert( fmt.i_chroma == VLC_FOURCC('R','G','B','A' ) );
+
/* Kludge since zvbi doesn't provide an option to specify opacity. */
switch( fmt.i_chroma )
{
}
/* end of kludge */
return VLC_SUCCESS;
-}
-
-static int Opaque_8bpp( decoder_t *p_dec, vbi_page p_page,
- video_format_t fmt, picture_t **p_src )
-{
- decoder_sys_t *p_sys = (decoder_sys_t *) p_dec->p_sys;
- uint8_t *p_begin, *p_end;
- uint32_t i_width = 0;
- unsigned int x = 0, y = 0;
- vbi_opacity opacity;
-
- /* Kludge since zvbi doesn't provide an option to specify opacity. */
- switch( fmt.i_chroma )
- {
- case VLC_FOURCC('Y','U','V','A' ):
- p_begin = (uint8_t *)(*p_src)->p[A_PLANE].p_pixels;
- p_end = (uint8_t *)(*p_src)->p[A_PLANE].p_pixels +
- ( fmt.i_height * (*p_src)->p[A_PLANE].i_pitch );
- i_width = (*p_src)->p[A_PLANE].i_pitch;
- break;
- default:
- msg_Err( p_dec, "chroma not supported %4.4s", (char *)&fmt.i_chroma );
- return VLC_EGENERIC;
- }
- for( ; p_begin < p_end; p_begin++ )
- {
- opacity = p_page.text[ y / 10 * p_page.columns + x / 12 ].opacity;
- switch( opacity )
- {
- /* Show video instead of this character */
- case VBI_TRANSPARENT_SPACE:
- *p_begin = 0;
- break;
- /* To make the boxed text "closed captioning" transparent
- * change true to false.
- */
- case VBI_OPAQUE:
- if( p_sys->b_opaque )
- break;
- /* Full text transparency. only foreground color is show */
- case VBI_TRANSPARENT_FULL:
- *p_begin = 0;
- break;
- /* Transparency for boxed text */
- case VBI_SEMI_TRANSPARENT:
- if( (*p_begin & 0xffffff00) == 0xff )
- *p_begin = 0;
- break;
- }
- x++;
- if( x >= i_width )
- {
- x = 0;
- y++;
- }
- }
- /* end of kludge */
- return VLC_SUCCESS;
}
static int RequestPage( vlc_object_t *p_this, char const *psz_cmd,
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