allow variable arguments in LOG functions to be omitted or empty.

[paraslash.git] / alsa_write.c

diff --git a/alsa_write.c b/alsa_write.c
index 793d16b65a6e2006a4eb1f0b8018d9eb35ca53a8..526cffc1aeaede74968d0f5e1ec89057dd8933b1 100644 (file)
--- a/alsa_write.c
+++ b/alsa_write.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
  *
  *     This program is free software; you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -36,7 +36,7 @@
 #include "alsa_write.cmdline.h"
 #include "error.h"
 
-
+/** always use 16 bit little endian */
 #define FORMAT SND_PCM_FORMAT_S16_LE
 
 /** data specific to the alsa writer */
@@ -49,7 +49,15 @@ struct private_alsa_write_data {
        struct timeval next_chunk;
        /** the return value of snd_pcm_hw_params_get_buffer_time_max() */
        unsigned buffer_time;
+       /**
+        * the samplerate given by command line option or the decoder
+        * of the writer node group
+        */
        unsigned samplerate;
+       /**
+        * the number of channels, also given by command line option or the
+        * decoder of the writer node group
+        */
        unsigned channels;
 };
 
@@ -216,7 +224,7 @@ __malloc static void *alsa_parse_config(const char *options)
 {
        struct alsa_write_args_info *conf
                = para_calloc(sizeof(struct alsa_write_args_info));
-       PARA_INFO_LOG("options: %s, %d\n", options, strcspn(options, " \t"));
+       PARA_INFO_LOG("options: %s, %zd\n", options, strcspn(options, " \t"));
        int ret = alsa_cmdline_parser_string(options, conf, "alsa_write");
        if (ret)
                goto err_out;
@@ -227,7 +235,13 @@ err_out:
        return NULL;
 }
 
-/** the init function of the alsa writer */
+/**
+ * the init function of the alsa writer
+ *
+ * \param w pointer to the writer to initialize
+ *
+ * \sa struct writer
+ */
 void alsa_write_init(struct writer *w)
 {
        w->open = alsa_open;