Commit 21546cba authored by Laurent Aimar's avatar Laurent Aimar

Fixed some dvd spu streams that have multiple palette/alpha per packet.

parent 390bc0b3
......@@ -169,10 +169,27 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
/* Command and date */
uint8_t i_command = SPU_CMD_END;
mtime_t date = 0;
bool b_cmd_offset = false;
bool b_cmd_alpha = false;
subpicture_data_t spu_data_cmd;
if( !p_spu || !p_spu_data )
return VLC_EGENERIC;
/* Create working space for spu data */
memset( &spu_data_cmd, 0, sizeof(spu_data_cmd) );
spu_data_cmd.pi_offset[0] = -1;
spu_data_cmd.pi_offset[1] = -1;
spu_data_cmd.p_data = NULL;
spu_data_cmd.b_palette = false;
spu_data_cmd.b_auto_crop = false;
spu_data_cmd.i_y_top_offset = 0;
spu_data_cmd.i_y_bottom_offset = 0;
spu_data_cmd.pi_alpha[0] = 0x00;
spu_data_cmd.pi_alpha[1] = 0x0f;
spu_data_cmd.pi_alpha[2] = 0x0f;
spu_data_cmd.pi_alpha[3] = 0x0f;
/* Initialize the structure */
p_spu->i_start = p_spu->i_stop = 0;
p_spu->b_ephemer = false;
......@@ -180,18 +197,7 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
memset( p_spu_properties, 0, sizeof(*p_spu_properties) );
/* */
p_spu_data->pi_offset[0] = -1;
p_spu_data->pi_offset[1] = -1;
p_spu_data->p_data = NULL;
p_spu_data->b_palette = false;
p_spu_data->b_auto_crop = false;
p_spu_data->i_y_top_offset = 0;
p_spu_data->i_y_bottom_offset = 0;
p_spu_data->pi_alpha[0] = 0x00;
p_spu_data->pi_alpha[1] = 0x0f;
p_spu_data->pi_alpha[2] = 0x0f;
p_spu_data->pi_alpha[3] = 0x0f;
*p_spu_data = spu_data_cmd;
for( i_index = 4 + p_sys->i_rle_size; i_index < p_sys->i_spu_size ; )
{
......@@ -205,6 +211,9 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
return VLC_EGENERIC;
}
/* */
b_cmd_offset = false;
b_cmd_alpha = false;
/* Get the control sequence date */
date = (mtime_t)GetWBE( &p_sys->buffer[i_index] ) * 11000;
......@@ -256,7 +265,7 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
unsigned int idx[4];
int i;
p_spu_data->b_palette = true;
spu_data_cmd.b_palette = true;
idx[0] = (p_sys->buffer[i_index+1]>>4)&0x0f;
idx[1] = (p_sys->buffer[i_index+1])&0x0f;
......@@ -268,9 +277,9 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
uint32_t i_color = p_dec->fmt_in.subs.spu.palette[1+idx[i]];
/* FIXME: this job should be done sooner */
p_spu_data->pi_yuv[3-i][0] = (i_color>>16) & 0xff;
p_spu_data->pi_yuv[3-i][1] = (i_color>>0) & 0xff;
p_spu_data->pi_yuv[3-i][2] = (i_color>>8) & 0xff;
spu_data_cmd.pi_yuv[3-i][0] = (i_color>>16) & 0xff;
spu_data_cmd.pi_yuv[3-i][1] = (i_color>>0) & 0xff;
spu_data_cmd.pi_yuv[3-i][2] = (i_color>>8) & 0xff;
}
}
......@@ -284,10 +293,11 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
return VLC_EGENERIC;
}
p_spu_data->pi_alpha[3] = (p_sys->buffer[i_index+1]>>4)&0x0f;
p_spu_data->pi_alpha[2] = (p_sys->buffer[i_index+1])&0x0f;
p_spu_data->pi_alpha[1] = (p_sys->buffer[i_index+2]>>4)&0x0f;
p_spu_data->pi_alpha[0] = (p_sys->buffer[i_index+2])&0x0f;
b_cmd_alpha = true;
spu_data_cmd.pi_alpha[3] = (p_sys->buffer[i_index+1]>>4)&0x0f;
spu_data_cmd.pi_alpha[2] = (p_sys->buffer[i_index+1])&0x0f;
spu_data_cmd.pi_alpha[1] = (p_sys->buffer[i_index+2]>>4)&0x0f;
spu_data_cmd.pi_alpha[0] = (p_sys->buffer[i_index+2])&0x0f;
i_index += 3;
break;
......@@ -323,12 +333,25 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
return VLC_EGENERIC;
}
b_cmd_offset = true;
p_spu_data->pi_offset[0] = GetWBE(&p_sys->buffer[i_index+1]) - 4;
p_spu_data->pi_offset[1] = GetWBE(&p_sys->buffer[i_index+3]) - 4;
i_index += 5;
break;
case SPU_CMD_END: /* ff (end) */
if( b_cmd_offset )
{
/* It seems that palette and alpha from the block having
* the cmd offset have to be used
* XXX is it all ? */
p_spu_data->b_palette = spu_data_cmd.b_palette;
if( spu_data_cmd.b_palette )
memcpy( p_spu_data->pi_yuv, spu_data_cmd.pi_yuv, sizeof(spu_data_cmd.pi_yuv) );
if( b_cmd_alpha )
memcpy( p_spu_data->pi_alpha, spu_data_cmd.pi_alpha, sizeof(spu_data_cmd.pi_alpha) );
}
i_index += 1;
break;
......@@ -358,17 +381,10 @@ static int ParseControlSeq( decoder_t *p_dec, subpicture_t *p_spu,
}
}
/* We need to check for quit commands here */
if( !vlc_object_alive (p_dec) )
{
return VLC_EGENERIC;
}
/* */
if( i_command == SPU_CMD_END && i_index != i_next_seq )
{
break;
}
}
/* Check that the next sequence index matches the current one */
if( i_next_seq != i_cur_seq )
......
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