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vlc-2-2
Commit 2acbb5c0 authored by Laurent Aimar's avatar Laurent Aimar
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Removed internal RGBA->YUVA internal conversion. (If it is really needed 

performance wise, it should be done inside spu core).
parent f9e4aada
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Showing with 23 additions and 185 deletions
modules/codec/zvbi.c
View file @ 2acbb5c0
......@@ -44,37 +44,16 @@
#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." \
......@@ -94,8 +73,6 @@ static subpicture_t *Decode( decoder_t *, block_t ** );
#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"),
......@@ -123,6 +100,25 @@ vlc_module_end();
* 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;
......@@ -137,22 +133,15 @@ struct decoder_sys_t
/* 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 );
......@@ -179,15 +168,6 @@ static int Open( vlc_object_t *p_this )
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 );
......@@ -222,11 +202,7 @@ static int Open( vlc_object_t *p_this )
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;
}
......@@ -243,9 +219,6 @@ static void Close( vlc_object_t *p_this )
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 );
......@@ -320,11 +293,7 @@ static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
/* 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 )
{
......@@ -387,59 +356,6 @@ static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
}
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,
......@@ -450,7 +366,6 @@ static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
p_pic = &(p_spu->p_region->picture);
OpaquePage( p_dec, p_page, fmt, &p_pic );
#endif
}
#undef ZVBI_PIXFMT_RGBA32
......@@ -505,33 +420,14 @@ static void event_handler( vbi_event *ev, void *user_data )
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 )
{
......@@ -579,65 +475,7 @@ static int Opaque_32bpp( decoder_t *p_dec, vbi_page p_page,
}
/* 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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