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libdvbpsi
Commit ea6adee5 authored by Jean-Paul Saman's avatar Jean-Paul Saman
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Fix parity

parent cd657555
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Inline Side-by-side
Showing with 5 additions and 5 deletions
src/descriptors/dr_45.c
View file @ ea6adee5
......@@ -58,7 +58,7 @@ dvbpsi_vbi_dr_t * dvbpsi_DecodeVBIDataDr(
/* Don't decode twice */
if(p_descriptor->p_decoded)
return p_descriptor->p_decoded;
printf( "DECODING VBI_DATA DESCRIPTOR \n" );
/* Decode data and check the length */
if(p_descriptor->i_length < 3)
{
......@@ -67,14 +67,14 @@ dvbpsi_vbi_dr_t * dvbpsi_DecodeVBIDataDr(
return NULL;
}
if(p_descriptor->i_length % 3)
if(p_descriptor->i_length % 2)
{
DVBPSI_ERROR_ARG("dr_45 decoder", "length not multiple of 3(%d)",
p_descriptor->i_length);
return NULL;
}
i_services_number = p_descriptor->i_length / 3;
i_services_number = p_descriptor->i_length / 2;
/* Allocate memory */
p_decoded =
......@@ -101,7 +101,7 @@ dvbpsi_vbi_dr_t * dvbpsi_DecodeVBIDataDr(
if( (i_data_service_id >= 0x01) && (i_data_service_id <= 0x07) )
{
p_decoded->p_services[i].p_lines[n].i_parity =
((uint8_t)(p_descriptor->p_data[3 * i + 3 + n])&0x20);
((uint8_t)((p_descriptor->p_data[3 * i + 3 + n])&0x20)>>5);
p_decoded->p_services[i].p_lines[n].i_line_offset =
((uint8_t)(p_descriptor->p_data[3 * i + 3 + n])&0x1f);
}
......@@ -143,7 +143,7 @@ dvbpsi_descriptor_t * dvbpsi_GenVBIDataDr(
(p_decoded->p_services[i].i_data_service_id <= 0x07) )
{
p_descriptor->p_data[5 * i + 4 + n] = (uint8_t)
( ((uint8_t) p_decoded->p_services[i].p_lines[n].i_parity)&0x20) |
( (((uint8_t) p_decoded->p_services[i].p_lines[n].i_parity)&0x20)<<5) |
( ((uint8_t) p_decoded->p_services[i].p_lines[n].i_line_offset)&0x1f);
}
else p_descriptor->p_data[5 * i + 3 + n] = 0xFF; /* Stuffing byte */
......
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