static void
gst_rsvg_dec_init (GstRsvgDec * rsvg)
{
GstVideoDecoder *decoder = GST_VIDEO_DECODER (rsvg);
gst_video_decoder_set_packetized (decoder, FALSE);
dec_reset (rsvg);
}
static gboolean
gst_rsvg_dec_reset (GstVideoDecoder * decoder, gboolean hard)
{
GstRsvgDec *dec = GST_RSVG_DEC (decoder);
dec_reset (dec);
return TRUE;
}
void decode (FILE *fin, int size, FILE *fout)
{
Decoder *dec = dec_new ();
List *word, *entry;
unsigned int code;
uchar chr;
chr = fgetc (fin);
fputc (chr, fout);
word = list_new (chr);
for (; size > 1; size--) {
chr = fgetc (fin);
if (dec->nbits > MAX_BITS) {
dec = dec_reset (dec);
list_destroy (word);
word = list_new (chr);
fputc (chr, fout);
} else {
/* Se agrega el nuevo caracter al buffer. */
dec->bitbuffer.buffer = (dec->bitbuffer.buffer << 8) | chr;
dec->bitbuffer.length += 8;
while (dec->bitbuffer.length >= dec->nbits) {
dec->bitbuffer.length -= dec->nbits;
code = dec->bitbuffer.buffer >> dec->bitbuffer.length;
dec->bitbuffer.buffer &= (1 << dec->bitbuffer.length) - 1;
if (code < dec->charbuffer.nelem) { /* El código está en el diccionario. */
entry = dec->charbuffer.buffer[code];
fputl (entry, fout);
/* Agrega word + entry[0] al diccionario. */
word = list_prepend (word, entry->data);
dec_add_word (dec, word);
list_destroy (word);
word = NULL;
for (; entry != NULL; entry = entry->next)
word = list_prepend (word, entry->data);
} else {
/* Agrega word + word[0] al diccionario. */
word = list_prepend (word, list_last (word));
dec_add_word (dec, word);
fputl (dec->charbuffer.buffer[dec->charbuffer.nelem-1], fout);
}
}
}
}
list_destroy (word);
dec_destroy (dec);
}
