75 static gboolean gst_oss_helper_rate_probe_check (GstOssProbe * probe);
76 static int gst_oss_helper_rate_check_rate (GstOssProbe * probe, int irate);
89   GstOssProbe *probe;  in gst_oss_helper_probe_caps()  local
104     probe = g_new0 (GstOssProbe, 1);  in gst_oss_helper_probe_caps()
105     probe->fd = fd;  in gst_oss_helper_probe_caps()
106     probe->format = probe_formats[f];  in gst_oss_helper_probe_caps()
108     probe->n_channels = 2;  in gst_oss_helper_probe_caps()
110     ret = gst_oss_helper_rate_probe_check (probe);  in gst_oss_helper_probe_caps()
111     if (probe->min == -1 || probe->max == -1) {  in gst_oss_helper_probe_caps()
112       g_array_free (probe->rates, TRUE);  in gst_oss_helper_probe_caps()
113       g_free (probe);  in gst_oss_helper_probe_caps()
120       g_array_sort (probe->rates, gst_oss_helper_rate_int_compare);  in gst_oss_helper_probe_caps()
125       for (i = 0; i < probe->rates->len; i++) {  in gst_oss_helper_probe_caps()
126         g_value_set_int (&value, g_array_index (probe->rates, int, i));  in gst_oss_helper_probe_caps()
135       gst_value_set_int_range (&rate_value, probe->min, probe->max);  in gst_oss_helper_probe_caps()
138     g_array_free (probe->rates, TRUE);  in gst_oss_helper_probe_caps()
139     g_free (probe);  in gst_oss_helper_probe_caps()
199 gst_oss_helper_rate_probe_check (GstOssProbe * probe)  in gst_oss_helper_rate_probe_check()  argument
210   probe->rates = g_array_new (FALSE, FALSE, sizeof (int));  in gst_oss_helper_rate_probe_check()
212   probe->min = gst_oss_helper_rate_check_rate (probe, 1000);  in gst_oss_helper_rate_probe_check()
214   probe->max = gst_oss_helper_rate_check_rate (probe, 100000);  in gst_oss_helper_rate_probe_check()
219     max = gst_oss_helper_rate_check_rate (probe, 48000);  in gst_oss_helper_rate_probe_check()
220     if (max > probe->max) {  in gst_oss_helper_rate_probe_check()
223       probe->max = max;  in gst_oss_helper_rate_probe_check()
227   if (probe->min == -1 || probe->max == -1) {  in gst_oss_helper_rate_probe_check()
232     probe->min = gst_oss_helper_rate_check_rate (probe, 8000);  in gst_oss_helper_rate_probe_check()
233     probe->max = gst_oss_helper_rate_check_rate (probe, 48000);  in gst_oss_helper_rate_probe_check()
235   if (probe->min == -1 || probe->max == -1) {  in gst_oss_helper_rate_probe_check()
239   gst_oss_helper_rate_add_range (ranges, probe->min + 1, probe->max - 1);  in gst_oss_helper_rate_probe_check()
250     mid_ret = gst_oss_helper_rate_check_rate (probe, mid);  in gst_oss_helper_rate_probe_check()
317 gst_oss_helper_rate_check_rate (GstOssProbe * probe, int irate)  in gst_oss_helper_rate_check_rate()  argument
325   format = probe->format;  in gst_oss_helper_rate_check_rate()
326   n_channels = probe->n_channels;  in gst_oss_helper_rate_check_rate()
330   ret = ioctl (probe->fd, SNDCTL_DSP_SETFMT, &format);  in gst_oss_helper_rate_check_rate()
331   if (ret < 0 || format != probe->format) {  in gst_oss_helper_rate_check_rate()
332     GST_DEBUG ("unsupported format: %d (%d)", probe->format, format);  in gst_oss_helper_rate_check_rate()
335   ret = ioctl (probe->fd, SNDCTL_DSP_CHANNELS, &n_channels);  in gst_oss_helper_rate_check_rate()
336   if (ret < 0 || n_channels != probe->n_channels) {  in gst_oss_helper_rate_check_rate()
337     GST_DEBUG ("unsupported channels: %d (%d)", probe->n_channels, n_channels);  in gst_oss_helper_rate_check_rate()
340   ret = ioctl (probe->fd, SNDCTL_DSP_SPEED, &rate);  in gst_oss_helper_rate_check_rate()
351   gst_oss_helper_rate_add_rate (probe->rates, rate);  in gst_oss_helper_rate_check_rate()