Merge branch 't/libao'

[paraslash.git] / alsa_write.c

diff --git a/alsa_write.c b/alsa_write.c
index 0bad21992c2537f41201a36499b5cf9129b0255e..c2a4cc1e94f47d9cf9717334059e6cf57df4970a 100644 (file)
--- a/alsa_write.c
+++ b/alsa_write.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.
  */
@@ -14,7 +14,6 @@
 
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <alsa/asoundlib.h>
 #include <sys/time.h>
 #include <stdbool.h>
@@ -35,7 +34,7 @@
 struct private_alsa_write_data {
        /** The alsa handle */
        snd_pcm_t *handle;
-       /** Determined and set by alsa_open(). */
+       /** Determined and set by alsa_init(). */
        int bytes_per_frame;
        /** The approximate maximum buffer duration in us. */
        unsigned buffer_time;
@@ -142,11 +141,6 @@ static int alsa_init(struct private_alsa_write_data *pad,
        return 1;
 }
 
-/* Open an instance of the alsa writer. */
-static void alsa_open(__a_unused struct writer_node *wn)
-{
-}
-
 static void alsa_write_pre_select(struct sched *s, struct task *t)
 {
        struct writer_node *wn = container_of(t, struct writer_node, task);
@@ -219,7 +213,7 @@ again:
        bytes = btr_next_buffer(btrn, &data);
        if (ret < 0 || bytes < wn->min_iqs) { /* eof */
                assert(btr_no_parent(btrn));
-               ret = -E_ALSA_EOF;
+               ret = -E_WRITE_COMMON_EOF;
                if (!pad)
                        goto err;
                /* wait until pending frames are played */
@@ -236,10 +230,9 @@ again:
        if (!pad) {
                int32_t val;
 
-               pad = para_calloc(sizeof(*pad));
-               wn->private_data = pad;
                if (bytes == 0) /* no data available */
                        return;
+               pad = para_calloc(sizeof(*pad));
                get_btr_sample_rate(btrn, &val);
                pad->sample_rate = val;
                get_btr_channels(btrn, &val);
@@ -250,8 +243,11 @@ again:
                PARA_INFO_LOG("%d channel(s), %dHz\n", pad->channels,
                        pad->sample_rate);
                ret = alsa_init(pad, wn->conf);
-               if (ret < 0)
+               if (ret < 0) {
+                       free(pad);
                        goto err;
+               }
+               wn->private_data = pad;
                wn->min_iqs = pad->bytes_per_frame;
                goto again;
        }
@@ -303,7 +299,6 @@ void alsa_write_init(struct writer *w)
        struct alsa_write_args_info dummy;
 
        alsa_cmdline_parser_init(&dummy);
-       w->open = alsa_open;
        w->close = alsa_close;
        w->pre_select = alsa_write_pre_select;
        w->post_select = alsa_write_post_select;