X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=oggdec_filter.c;h=67cbf97e5bf6973f4a0e3d7e6a303267d91dfe83;hp=0130afd04989043430e5c1d70fc11800a6d1f311;hb=7fdd2f129ac59e4f57d9683e7ff0ad6076fbad23;hpb=6b44f1fdf5fdfd18b9f77a87428a971eef0c547e

diff --git a/oggdec_filter.c b/oggdec_filter.c
index 0130afd0..67cbf97e 100644
--- a/oggdec_filter.c
+++ b/oggdec_filter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -35,7 +35,7 @@ struct private_oggdec_data {
 	/** The number of channels of the current stream. */
 	unsigned int channels;
 	/** Current sample rate in Hz. */
-	unsigned int samplerate;
+	unsigned int sample_rate;
 };
 
 static size_t cb_read(void *buf, size_t size, size_t nmemb, void *datasource)
@@ -120,19 +120,7 @@ static int oggdec_execute(struct btr_node *btrn, const char *cmd, char **result)
 	struct filter_node *fn = btr_context(btrn);
 	struct private_oggdec_data *pod = fn->private_data;
 
-	if (!strcmp(cmd, "samplerate")) {
-		if (pod->samplerate == 0)
-			return -E_BTR_NAVAIL;
-		*result = make_message("%u", pod->samplerate);
-		return 1;
-	}
-	if (!strcmp(cmd, "channels")) {
-		if (pod->channels == 0)
-			return -E_BTR_NAVAIL;
-		*result = make_message("%u", pod->channels);
-		return 1;
-	}
-	return -ERRNO_TO_PARA_ERROR(ENOTSUP);
+	return decoder_execute(cmd, pod->sample_rate, pod->channels, result);
 }
 
 static int ogg_init(struct filter_node *fn)
@@ -177,9 +165,9 @@ open:
 	if (oret < 0)
 		goto out;
 	pod->channels = ov_info(pod->vf, 0)->channels;
-	pod->samplerate = ov_info(pod->vf, 0)->rate;
+	pod->sample_rate = ov_info(pod->vf, 0)->rate;
 	PARA_NOTICE_LOG("%d channels, %d Hz\n", pod->channels,
-		pod->samplerate);
+		pod->sample_rate);
 	ret = 1;
 out:
 	if (ret <= 0) {
@@ -193,6 +181,19 @@ out:
 	return ret;
 }
 
+static void ogg_pre_select(__a_unused struct sched *s, struct task *t)
+{
+	struct filter_node *fn = container_of(t, struct filter_node, task);
+	int ret;
+
+	t->error = 0;
+	ret = btr_node_status(fn->btrn, fn->min_iqs, BTR_NT_INTERNAL);
+	if (ret != 0)
+		sched_min_delay(s);
+	else
+		sched_request_timeout_ms(100, s);
+}
+
 static void ogg_post_select(__a_unused struct sched *s, struct task *t)
 {
 	struct filter_node *fn = container_of(t, struct filter_node, task);
@@ -203,6 +204,8 @@ static void ogg_post_select(__a_unused struct sched *s, struct task *t)
 	pod->converted = 0;
 	t->error = 0;
 	ret = ns = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);
+	if (ret <= 0)
+		goto out;
 	if (!pod->vf) {
 		if (ret <= 0)
 			goto out;
@@ -220,12 +223,15 @@ static void ogg_post_select(__a_unused struct sched *s, struct task *t)
 		if (read_ret <= 0)
 			free(out);
 		ret = ns;
+		if (read_ret == OV_HOLE) /* avoid buffer underruns */
+			fn->min_iqs = 9000;
 		if (read_ret == 0 || read_ret == OV_HOLE)
 			goto out;
 		ret = -E_OGGDEC_BADLINK;
 		if (read_ret < 0)
 			goto out;
 		btr_add_output(out, read_ret, btrn);
+		fn->min_iqs = 0;
 		if (btr_get_output_queue_size(btrn) > 128 * 1024)
 			return; /* enough data for the moment */
 	}
@@ -245,7 +251,7 @@ void oggdec_filter_init(struct filter *f)
 {
 	f->open = ogg_open;
 	f->close = ogg_close;
-	f->pre_select = generic_filter_pre_select;
+	f->pre_select = ogg_pre_select;
 	f->post_select = ogg_post_select;
 	f->execute = oggdec_execute;
 }