write: Make get_btr_value() return void.
[paraslash.git] / oss_write.c
index 10a64497d58b9c024aa9d1097bd7976da3b79883..ea31fc8124aa84d374e3b7e48a32758a052b5352 100644 (file)
@@ -53,7 +53,8 @@ static void oss_close(struct writer_node *wn)
 {
        struct private_oss_write_data *powd = wn->private_data;
 
-       close(powd->fd);
+       if (powd->fd >= 0)
+               close(powd->fd);
        free(powd);
 }
 
@@ -68,7 +69,7 @@ static void oss_close(struct writer_node *wn)
  * incorrectly believe that the device is still in 44.1 kHz mode when actually
  * the speed is decreased to 22.05 kHz.
  */
-static int oss_init(struct writer_node *wn, unsigned samplerate, unsigned channels)
+static int oss_init(struct writer_node *wn, unsigned sample_rate, unsigned channels)
 {
        int ret, format = FORMAT;
        unsigned ch, rate;
@@ -114,15 +115,15 @@ static int oss_init(struct writer_node *wn, unsigned samplerate, unsigned channe
         * device, the the highest possible speed is automatically used. The
         * value actually used is returned as the new value of the argument.
         */
-       rate = samplerate;
+       rate = sample_rate;
        ret = ioctl(powd->fd, SNDCTL_DSP_SPEED, &rate);
        if (ret < 0) {
                ret = -ERRNO_TO_PARA_ERROR(errno);
                goto err;
        }
-       if (rate != samplerate) {
-               unsigned min = PARA_MIN(rate, samplerate),
-                       max = PARA_MAX(rate, samplerate);
+       if (rate != sample_rate) {
+               unsigned min = PARA_MIN(rate, sample_rate),
+                       max = PARA_MAX(rate, sample_rate);
                /*
                 * Check whether the returned sample rate differs significantly
                 * from the requested one.
@@ -131,13 +132,13 @@ static int oss_init(struct writer_node *wn, unsigned samplerate, unsigned channe
                if (100 * max > 110 * min) /* more than 10% deviation */
                        goto err;
                PARA_NOTICE_LOG("using %dHz rather than %dHz\n", rate,
-                       samplerate);
+                       sample_rate);
        }
        wn->min_iqs = powd->bytes_per_frame;
        return 1;
 err:
        close(powd->fd);
-       free(powd);
+       powd->fd = -1;
        return ret;
 }
 
@@ -145,7 +146,6 @@ static void oss_post_select(__a_unused struct sched *s,
                struct task *t)
 {
        struct writer_node *wn = container_of(t, struct writer_node, task);
-       struct oss_write_args_info *conf = wn->conf;
        struct private_oss_write_data *powd = wn->private_data;
        struct btr_node *btrn = wn->btrn;
        size_t frames, bytes;
@@ -158,21 +158,14 @@ static void oss_post_select(__a_unused struct sched *s,
                return;
        if (powd->fd < 0) {
                int32_t rate, ch;
-               ret = -1;
-               if (!conf->samplerate_given) /* config option trumps btr_exec */
-                       ret = get_btr_samplerate(wn->btrn, &rate);
-               if (ret < 0)
-                       rate = conf->samplerate_arg;
-               ret = -1;
-               if (!conf->channels_given)
-                       ret = get_btr_channels(wn->btrn, &ch);
-               if (ret < 0)
-                       ch = conf->channels_arg;
+               get_btr_sample_rate(btrn, &rate);
+               get_btr_channels(btrn, &ch);
                ret = oss_init(wn, rate, ch);
                if (ret < 0)
                        goto out;
                return;
        }
+       btr_merge(btrn, wn->min_iqs);
        bytes = btr_next_buffer(btrn, &data);
        frames = bytes / powd->bytes_per_frame;
        if (!frames) { /* eof and less than a single frame available */
@@ -182,7 +175,7 @@ static void oss_post_select(__a_unused struct sched *s,
        ret = 0;
        if (!FD_ISSET(powd->fd, &s->wfds))
                goto out;
-       ret = write_nonblock(powd->fd, data, frames * powd->bytes_per_frame, 0);
+       ret = write_nonblock(powd->fd, data, frames * powd->bytes_per_frame);
        if (ret < 0)
                goto out;
        btr_consume(btrn, ret);