static int rl_prev_line (SLrline_Type *This_RLI)
{
RL_History_Type *prev;
if ((This_RLI->is_modified)
|| (This_RLI->last == NULL))
{
prev = This_RLI->tail;
}
else
prev = This_RLI->last->prev;
if (prev == NULL)
{
rl_beep ();
return 0;
}
if (prev == This_RLI->tail)
{
This_RLI->buf[This_RLI->len] = 0;
free_history_item (This_RLI->saved_line);
This_RLI->saved_line = allocate_history ((char *)This_RLI->buf, This_RLI->point);
if (This_RLI->saved_line == NULL)
return -1;
}
return rl_select_line (This_RLI, prev);
}
void FileFFMPEGStream::append_history(short *new_data, int len)
{
allocate_history(len);
for(int i = 0; i < channels; i++)
{
double *output = pcm_history[i] + history_size;
short *input = new_data + i;
for(int j = 0; j < len; j++)
{
*output++ = (double)*input / 32768;
input += channels;
}
}
history_size += len;
decode_end += len;
}
int SLrline_add_to_history (SLrline_Type *rli, SLFUTURE_CONST char *hist)
{
RL_History_Type *h;
if ((rli == NULL) || (hist == NULL))
return -1;
h = allocate_history (hist, -1);
if (rli->root == NULL)
rli->root = h;
if (rli->tail != NULL)
rli->tail->next = h;
h->prev = rli->tail;
rli->tail = h;
h->next = NULL;
return 0;
}
