int vc1_setup_parser( vc1_info_t *info, int parse_only, uint32_t (*update)( vc1_info_t *, void *, uint32_t ) )
{
if( !info )
return -1;
memset( info, 0, sizeof(vc1_info_t) );
vc1_stream_buffer_t *buffer = &info->buffer;
buffer->bank = lsmash_create_multiple_buffers( parse_only ? 2 : 4, VC1_DEFAULT_BUFFER_SIZE );
if( !buffer->bank )
return -1;
buffer->start = lsmash_withdraw_buffer( buffer->bank, 1 );
buffer->rbdu = lsmash_withdraw_buffer( buffer->bank, 2 );
buffer->pos = buffer->start;
buffer->end = buffer->start;
buffer->update = update;
if( !parse_only )
{
info->access_unit.data = lsmash_withdraw_buffer( buffer->bank, 3 );
info->access_unit.incomplete_data = lsmash_withdraw_buffer( buffer->bank, 4 );
}
info->bits = lsmash_bits_adhoc_create();
if( !info->bits )
{
lsmash_destroy_multiple_buffers( info->buffer.bank );
info->buffer.bank = NULL;
return -1;
}
return 0;
}
int vc1_setup_parser
(
vc1_info_t *info,
lsmash_stream_buffers_t *sb,
int parse_only,
lsmash_stream_buffers_type type,
void *stream
)
{
assert( sb );
if( !info )
return -1;
memset( info, 0, sizeof(vc1_info_t) );
vc1_stream_buffer_t *hb = &info->buffer;
hb->sb = sb;
lsmash_stream_buffers_setup( sb, type, stream );
sb->bank = lsmash_create_multiple_buffers( parse_only ? 2 : 4, VC1_DEFAULT_BUFFER_SIZE );
if( !sb->bank )
return -1;
sb->start = lsmash_withdraw_buffer( sb->bank, 1 );
hb->rbdu = lsmash_withdraw_buffer( sb->bank, 2 );
sb->pos = sb->start;
sb->end = sb->start;
if( !parse_only )
{
info->access_unit.data = lsmash_withdraw_buffer( sb->bank, 3 );
info->access_unit.incomplete_data = lsmash_withdraw_buffer( sb->bank, 4 );
}
info->bits = lsmash_bits_adhoc_create();
if( !info->bits )
{
lsmash_stream_buffers_cleanup( sb );
return -1;
}
return 0;
}
