/* write data to the underlying device */
static int blkmtd_write(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
struct blkmtd_dev *dev = mtd->priv;
int err;
if(!len)
return 0;
DEBUG(2, "blkmtd: write: dev = `%s' to = %ld len = %d buf = %p\n",
mtd->name+9, (long int)to, len, buf);
if(to >= mtd->size) {
return -ENOSPC;
}
if(to + len > mtd->size) {
len = mtd->size - to;
}
err = write_pages(dev, buf, to, len, retlen);
if(err > 0)
err = 0;
DEBUG(2, "blkmtd: write: end, err = %d\n", err);
return err;
}
/* erase a specified part of the device */
static int blkmtd_erase(struct mtd_info *mtd, struct erase_info *instr)
{
struct blkmtd_dev *dev = mtd->priv;
struct mtd_erase_region_info *einfo = mtd->eraseregions;
int numregions = mtd->numeraseregions;
size_t from;
u_long len;
int err = -EIO;
int retlen;
instr->state = MTD_ERASING;
from = instr->addr;
len = instr->len;
/* check erase region has valid start and length */
DEBUG(2, "blkmtd: erase: dev = `%s' from = 0x%x len = 0x%lx\n",
mtd->name+9, from, len);
while(numregions) {
DEBUG(3, "blkmtd: checking erase region = 0x%08X size = 0x%X num = 0x%x\n",
einfo->offset, einfo->erasesize, einfo->numblocks);
if(from >= einfo->offset
&& from < einfo->offset + (einfo->erasesize * einfo->numblocks)) {
if(len == einfo->erasesize
&& ( (from - einfo->offset) % einfo->erasesize == 0))
break;
}
numregions--;
einfo++;
}
if(!numregions) {
/* Not a valid erase block */
err("erase: invalid erase request 0x%lX @ 0x%08X", len, from);
instr->state = MTD_ERASE_FAILED;
err = -EIO;
}
if(instr->state != MTD_ERASE_FAILED) {
/* do the erase */
DEBUG(3, "Doing erase from = %d len = %ld\n", from, len);
err = write_pages(dev, NULL, from, len, &retlen);
if(err || retlen != len) {
err("erase failed err = %d", err);
instr->state = MTD_ERASE_FAILED;
} else {
instr->state = MTD_ERASE_DONE;
}
}
DEBUG(3, "blkmtd: erase: checking callback\n");
if (instr->callback) {
(*(instr->callback))(instr);
}
DEBUG(2, "blkmtd: erase: finished (err = %d)\n", err);
return err;
}
void
xtr_oggbase_c::write_queued_frame(bool eos) {
if (-1 == m_queued_granulepos)
return;
ogg_packet op;
op.b_o_s = 0;
op.e_o_s = eos ? 1 : 0;
op.packetno = m_packetno;
op.packet = m_queued_frame->get_buffer();
op.bytes = m_queued_frame->get_size();
op.granulepos = m_queued_granulepos;
++m_packetno;
ogg_stream_packetin(&m_os, &op);
write_pages();
m_queued_granulepos = -1;
m_queued_frame.reset();
}
