audiod: kill close_writer()
[paraslash.git] / alsa_writer.c
index f05dbbd..617173a 100644 (file)
 
 #include <alsa/asoundlib.h>
 
-#include "write.cmdline.h"
+#include "alsa_write.cmdline.h"
 #include "error.h"
 
-extern struct gengetopt_args_info conf;
 
 #define FORMAT SND_PCM_FORMAT_S16_LE
 
 /** data specific to the alsa writer */
 struct private_alsa_data {
-/** the alsa handle */
-snd_pcm_t *handle;
-/** determined and set by alsa_open() */
-size_t bytes_per_frame;
-struct timeval next_chunk;
+       /** the alsa handle */
+       snd_pcm_t *handle;
+       /** determined and set by alsa_open() */
+       size_t bytes_per_frame;
+       /** don't write anything until this time */
+       struct timeval next_chunk;
 };
 
 /*
@@ -65,10 +65,11 @@ static int alsa_open(struct writer_node *w)
        snd_pcm_info_t *info;
        snd_pcm_uframes_t period_size;
        struct private_alsa_data *pad = para_calloc(sizeof(struct private_alsa_data));
-       w->private_data = pad;
+       struct alsa_write_args_info *conf = w->conf;
 
+       w->private_data = pad;
        snd_pcm_info_alloca(&info);
-       err = snd_pcm_open(&pad->handle, conf.device_arg,
+       err = snd_pcm_open(&pad->handle, conf->device_arg,
                SND_PCM_STREAM_PLAYBACK, 0);
        if (err < 0)
                return -E_PCM_OPEN;
@@ -85,10 +86,10 @@ static int alsa_open(struct writer_node *w)
        if (snd_pcm_hw_params_set_format(pad->handle, hwparams, FORMAT) < 0)
                return -E_SAMPLE_FORMAT;
        if (snd_pcm_hw_params_set_channels(pad->handle, hwparams,
-                       conf.channels_arg) < 0)
+                       conf->channels_arg) < 0)
                return -E_CHANNEL_COUNT;
        if (snd_pcm_hw_params_set_rate_near(pad->handle, hwparams,
-                       (unsigned int*) &conf.sample_rate_arg, 0) < 0)
+                       (unsigned int*) &conf->sample_rate_arg, 0) < 0)
                return -E_SET_RATE;
        err = snd_pcm_hw_params_get_buffer_time_max(hwparams, &buffer_time, 0);
        if (err < 0 || !buffer_time)
@@ -127,7 +128,7 @@ static int alsa_open(struct writer_node *w)
        if (snd_pcm_sw_params(pad->handle, swparams) < 0)
                return -E_SW_PARAMS;
        pad->bytes_per_frame = snd_pcm_format_physical_width(FORMAT)
-               * conf.channels_arg / 8;
+               * conf->channels_arg / 8;
 //     if (snd_pcm_nonblock(pad->handle, 1))
 //             PARA_ERROR_LOG("%s\n", "failed to set nonblock mode");
        return period_size * pad->bytes_per_frame;
@@ -208,6 +209,21 @@ static void alsa_close(struct writer_node *wn)
        free(pad);
 }
 
+__malloc void *alsa_parse_config(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"));
+       int ret = alsa_cmdline_parser_string(options, conf, "alsa_write");
+       if (ret)
+               goto err_out;
+       PARA_INFO_LOG("help given: %d\n", conf->help_given);
+       return conf;
+err_out:
+       free(conf);
+       return NULL;
+}
+
 /** the init function of the alsa writer */
 void alsa_writer_init(struct writer *w)
 {
@@ -215,5 +231,6 @@ void alsa_writer_init(struct writer *w)
        w->close = alsa_close;
        w->pre_select = alsa_write_pre_select;
        w->post_select = alsa_write_post_select;
+       w->parse_config = alsa_parse_config;
        w->shutdown = NULL; /* nothing to do */
 }