#include <vlc_common.h>
#include <vlc_vout.h>
#include <vlc_codec.h>
+#include <vlc_input.h>
#include "spudec.h"
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
-static int ParseControlSeq( decoder_t *, subpicture_t *, subpicture_data_t *);
-static int ParseRLE ( decoder_t *, subpicture_t *, subpicture_data_t *);
-static void Render ( decoder_t *, subpicture_t *, subpicture_data_t *);
+typedef struct
+{
+ int i_width;
+ int i_height;
+ int i_x;
+ int i_y;
+} spu_properties_t;
+
+static int ParseControlSeq( decoder_t *, subpicture_t *, subpicture_data_t *,
+ spu_properties_t * );
+static int ParseRLE ( decoder_t *, subpicture_data_t *,
+ const spu_properties_t * );
+static void Render ( decoder_t *, subpicture_t *, subpicture_data_t *,
+ const spu_properties_t * );
/*****************************************************************************
* AddNibble: read a nibble from a source packet and add it to our integer.
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_data_t *p_spu_data;
subpicture_t *p_spu;
+ spu_properties_t spu_properties;
/* Allocate the subpicture internal data. */
p_spu = p_dec->pf_spu_buffer_new( p_dec );
if( !p_spu ) return NULL;
- p_spu->b_pausable = true;
-
/* Rationale for the "p_spudec->i_rle_size * 4": we are going to
* expand the RLE stuff so that we won't need to read nibbles later
* on. This will speed things up a lot. Plus, we'll only need to do
p_spu->i_original_picture_height =
p_dec->fmt_in.subs.spu.i_original_frame_height;
+ memset( &spu_properties, 0, sizeof(spu_properties) );
+
/* Getting the control part */
- if( ParseControlSeq( p_dec, p_spu, p_spu_data ) )
+ if( ParseControlSeq( p_dec, p_spu, p_spu_data, &spu_properties ) )
{
/* There was a parse error, delete the subpicture */
p_dec->pf_spu_buffer_del( p_dec, p_spu );
}
/* We try to display it */
- if( ParseRLE( p_dec, p_spu, p_spu_data ) )
+ if( ParseRLE( p_dec, p_spu_data, &spu_properties ) )
{
/* There was a parse error, delete the subpicture */
p_dec->pf_spu_buffer_del( p_dec, p_spu );
p_spu_data->pi_offset[0], p_spu_data->pi_offset[1] );
#endif
- Render( p_dec, p_spu, p_spu_data );
+ Render( p_dec, p_spu, p_spu_data, &spu_properties );
free( p_spu_data );
return p_spu;
* subtitles format, see http://sam.zoy.org/doc/dvd/subtitles/index.html
*****************************************************************************/
static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
- subpicture_data_t *p_spu_data )
+ subpicture_data_t *p_spu_data, spu_properties_t *p_spu_properties )
{
decoder_sys_t *p_sys = p_dec->p_sys;
/* Get the control sequence date */
date = (mtime_t)GetWBE( &p_sys->buffer[i_index] ) * 11000;
- /* FIXME How to access i_rate
- * p_spudec->bit_stream.p_pes->i_rate / DEFAULT_RATE;
- */
+ if( p_sys->i_rate )
+ date = date * p_sys->i_rate / INPUT_RATE_DEFAULT;
/* Next offset */
i_cur_seq = i_index;
return VLC_EGENERIC;
}
- p_spu->i_x = (p_sys->buffer[i_index+1]<<4)|
+ p_spu_properties->i_x = (p_sys->buffer[i_index+1]<<4)|
((p_sys->buffer[i_index+2]>>4)&0x0f);
- p_spu->i_width = (((p_sys->buffer[i_index+2]&0x0f)<<8)|
- p_sys->buffer[i_index+3]) - p_spu->i_x + 1;
+ p_spu_properties->i_width = (((p_sys->buffer[i_index+2]&0x0f)<<8)|
+ p_sys->buffer[i_index+3]) - p_spu_properties->i_x + 1;
- p_spu->i_y = (p_sys->buffer[i_index+4]<<4)|
+ p_spu_properties->i_y = (p_sys->buffer[i_index+4]<<4)|
((p_sys->buffer[i_index+5]>>4)&0x0f);
- p_spu->i_height = (((p_sys->buffer[i_index+5]&0x0f)<<8)|
- p_sys->buffer[i_index+6]) - p_spu->i_y + 1;
+ p_spu_properties->i_height = (((p_sys->buffer[i_index+5]&0x0f)<<8)|
+ p_sys->buffer[i_index+6]) - p_spu_properties->i_y + 1;
/* Auto crop fullscreen subtitles */
- if( p_spu->i_height > 250 )
+ if( p_spu_properties->i_height > 250 )
p_spu_data->b_auto_crop = true;
i_index += 7;
* convenient structure for later decoding. For more information on the
* subtitles format, see http://sam.zoy.org/doc/dvd/subtitles/index.html
*****************************************************************************/
-static int ParseRLE( decoder_t *p_dec, subpicture_t * p_spu,
- subpicture_data_t *p_spu_data )
+static int ParseRLE( decoder_t *p_dec,
+ subpicture_data_t *p_spu_data,
+ const spu_properties_t *p_spu_properties )
{
decoder_sys_t *p_sys = p_dec->p_sys;
uint8_t *p_src = &p_sys->buffer[4];
unsigned int i_code;
- unsigned int i_width = p_spu->i_width;
- unsigned int i_height = p_spu->i_height;
+ unsigned int i_width = p_spu_properties->i_width;
+ unsigned int i_height = p_spu_properties->i_height;
unsigned int i_x, i_y;
uint16_t *p_dest = (uint16_t *)p_spu_data->p_data;
}
static void Render( decoder_t *p_dec, subpicture_t *p_spu,
- subpicture_data_t *p_spu_data )
+ subpicture_data_t *p_spu_data,
+ const spu_properties_t *p_spu_properties )
{
uint8_t *p_p;
int i_x, i_y, i_len, i_color, i_pitch;
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_FOURCC('Y','U','V','P');
fmt.i_aspect = 0; /* 0 means use aspect ratio of background video */
- fmt.i_width = fmt.i_visible_width = p_spu->i_width;
- fmt.i_height = fmt.i_visible_height = p_spu->i_height -
+ fmt.i_width = fmt.i_visible_width = p_spu_properties->i_width;
+ fmt.i_height = fmt.i_visible_height = p_spu_properties->i_height -
p_spu_data->i_y_top_offset - p_spu_data->i_y_bottom_offset;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
return;
}
- p_spu->p_region->i_x = 0;
- p_spu->p_region->i_y = p_spu_data->i_y_top_offset;
- p_p = p_spu->p_region->picture.p->p_pixels;
- i_pitch = p_spu->p_region->picture.p->i_pitch;
+ p_spu->p_region->i_x = p_spu_properties->i_x;
+ p_spu->p_region->i_y = p_spu_properties->i_y + p_spu_data->i_y_top_offset;
+ p_p = p_spu->p_region->p_picture->p->p_pixels;
+ i_pitch = p_spu->p_region->p_picture->p->i_pitch;
/* Build palette */
fmt.p_palette->i_entries = 4;