X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=alsa_writer.c;h=da02ac28a5f7e2e84b94d29900b793c611963b5c;hb=b680e18c069fef1a03b83a5f906c994e1ab063a1;hp=7dab4585d46d221d46692409173d8046e9ab392d;hpb=9337bed6e84a4068e750fb6597646b45778eeba7;p=paraslash.git

diff --git a/alsa_writer.c b/alsa_writer.c
index 7dab4585..da02ac28 100644
--- a/alsa_writer.c
+++ b/alsa_writer.c
@@ -170,24 +170,24 @@ static int alsa_write_post_select(struct sched *s, struct writer_node *wn)
 {
 	struct private_alsa_data *pad = wn->private_data;
 	struct writer_node_group *wng = wn->wng;
-	size_t frames = *wng->loaded / pad->bytes_per_frame;
+	size_t frames = (*wng->loaded - wn->written) / pad->bytes_per_frame;
 	snd_pcm_sframes_t ret;
-	unsigned char *data = (unsigned char*)wng->buf;
+	unsigned char *data = (unsigned char*)wng->buf + wn->written;
 	struct timeval tv;
 
 //	PARA_INFO_LOG("%zd frames\n", frames);
 	if (!frames) {
 		if (*wng->input_eof)
-			ret = *wng->loaded;
-		return 0;
+			wn->written = *wng->loaded;
+		return 1;
 	}
 	if (tv_diff(&s->now, &pad->next_chunk, NULL) < 0)
-		return 0;
+		return 1;
 	ret = snd_pcm_writei(pad->handle, data, frames);
 	if (ret == -EPIPE) {
 		PARA_WARNING_LOG("%s", "EPIPE\n");
 		snd_pcm_prepare(pad->handle);
-		return 0;
+		return 1;
 	}
 	if (ret < 0) {
 		PARA_WARNING_LOG("%s", "ALSA ERROR\n");
@@ -196,7 +196,8 @@ static int alsa_write_post_select(struct sched *s, struct writer_node *wn)
 	ms2tv(pad->buffer_time / 4000, &tv);
 //	ms2tv(1, &tv);
 	tv_add(&s->now, &tv, &pad->next_chunk);
-	return ret * pad->bytes_per_frame;
+	wn->written += ret * pad->bytes_per_frame;
+	return 1;
 }
 
 static void alsa_close(struct writer_node *wn)