- struct oggdec_filter_args_info *ogg_conf;
-
- ogg_conf = para_calloc(sizeof(*ogg_conf));
- ret = -E_OGGDEC_SYNTAX;
- if (oggdec_cmdline_parser(argc, argv, ogg_conf))
- goto err;
- ret = -ERRNO_TO_PARA_ERROR(EINVAL);
- if (ogg_conf->bufsize_arg < 0)
- goto err;
- if (ogg_conf->bufsize_arg >= INT_MAX / 1024)
- goto err;
- if (ogg_conf->initial_buffer_arg < 0)
- goto err;
- if (ogg_conf->initial_buffer_arg >= INT_MAX / 1024)
- goto err;
- *config = ogg_conf;
- return 1;
-err:
- free(ogg_conf);
+
+ ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);
+ if (ret != 0)
+ return sched_min_delay(s);
+ if (!pod->have_more)
+ return;
+ if (btr_get_output_queue_size(btrn) > OGGDEC_MAX_OUTPUT_SIZE)
+ return;
+ sched_min_delay(s);
+}
+
+static int ogg_post_select(__a_unused struct sched *s, struct task *t)
+{
+ struct filter_node *fn = container_of(t, struct filter_node, task);
+ struct private_oggdec_data *pod = fn->private_data;
+ struct btr_node *btrn = fn->btrn;
+ int ret, have;
+ char *buf;
+
+ ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);
+ if (ret < 0) {
+ if (ret != -E_BTR_EOF) /* fatal error */
+ goto out;
+ if (fn->min_iqs == 0 && !pod->have_more) /* EOF */
+ goto out;
+ /* last ov_read() returned OV_HOLE */
+ } else if (ret == 0 && !pod->have_more) /* nothing to do */
+ goto out;
+ if (btr_get_output_queue_size(btrn) > OGGDEC_MAX_OUTPUT_SIZE)
+ return 0;
+ if (!pod->vf) {
+ if (ret <= 0)
+ goto out;
+ btr_merge(btrn, fn->min_iqs);
+ ret = ogg_init(fn);
+ goto out;
+ }
+ have = 0;
+ buf = para_malloc(OGGDEC_OUTPUT_CHUNK_SIZE);
+ for (;;) {
+ ret = ov_read(pod->vf, buf + have, OGGDEC_OUTPUT_CHUNK_SIZE - have,
+ ENDIAN, 2 /* 16 bit */, 1 /* signed */, NULL);
+ btr_consume(btrn, pod->converted);
+ pod->converted = 0;
+ if (ret <= 0)
+ break;
+ fn->min_iqs = 0;
+ have += ret;
+ if (have < OGGDEC_OUTPUT_CHUNK_SIZE)
+ continue;
+ if (btr_get_output_queue_size(btrn) > OGGDEC_MAX_OUTPUT_SIZE)
+ break;
+ btr_add_output(buf, have, btrn);
+ buf = para_malloc(OGGDEC_OUTPUT_CHUNK_SIZE);
+ have = 0;
+ }
+ pod->have_more = (ret > 0);
+ if (have > 0) {
+ if (have < OGGDEC_OUTPUT_CHUNK_SIZE)
+ buf = para_realloc(buf, have);
+ btr_add_output(buf, have, btrn);
+ } else
+ free(buf);
+ if (ret == OV_HOLE) /* avoid buffer underruns */
+ fn->min_iqs = 9000;
+ if (ret >= 0 || ret == OV_HOLE)
+ return 0;
+ ret = -E_OGGDEC_BADLINK;
+out:
+ if (ret < 0)
+ btr_remove_node(&fn->btrn);