/**
* @file
* Software limits helper functions
- * @internal
*/
#include <config.h>
*/
SR_PRIV void sr_sw_limits_init(struct sr_sw_limits *limits)
{
- limits->limit_samples = 0;
- limits->limit_msec = 0;
+ memset(limits, 0, sizeof(*limits));
}
/**
case SR_CONF_LIMIT_SAMPLES:
*data = g_variant_new_uint64(limits->limit_samples);
break;
+ case SR_CONF_LIMIT_FRAMES:
+ *data = g_variant_new_uint64(limits->limit_frames);
+ break;
case SR_CONF_LIMIT_MSEC:
*data = g_variant_new_uint64(limits->limit_msec / 1000);
break;
case SR_CONF_LIMIT_SAMPLES:
limits->limit_samples = g_variant_get_uint64(data);
break;
+ case SR_CONF_LIMIT_FRAMES:
+ limits->limit_frames = g_variant_get_uint64(data);
+ break;
case SR_CONF_LIMIT_MSEC:
limits->limit_msec = g_variant_get_uint64(data) * 1000;
break;
SR_PRIV void sr_sw_limits_acquisition_start(struct sr_sw_limits *limits)
{
limits->samples_read = 0;
+ limits->frames_read = 0;
limits->start_time = g_get_monotonic_time();
}
*
* @param limits software limits instance
* @returns TRUE if any of the software limits has been reached and the driver
- * should stop data acquisition, otherwise FALSE.
+ * should stop data acquisition, otherwise FALSE.
*/
SR_PRIV gboolean sr_sw_limits_check(struct sr_sw_limits *limits)
{
}
}
- if (limits->limit_msec) {
+ if (limits->limit_frames) {
+ if (limits->frames_read >= limits->limit_frames) {
+ sr_dbg("Requested number of frames (%" PRIu64
+ ") reached.", limits->limit_frames);
+ return TRUE;
+ }
+ }
+
+ if (limits->limit_msec && limits->start_time) {
guint64 now;
now = g_get_monotonic_time();
if (now > limits->start_time &&
}
/**
- * Update the amount samples that have been read
+ * Update the amount of samples that have been read
*
* Update the amount of samples that have been read in the current data
* acquisition run. For each invocation @p samples_read will be accumulated and
{
limits->samples_read += samples_read;
}
+
+/**
+ * Update the amount of frames that have been read
+ *
+ * Update the amount of frames that have been read in the current data
+ * acquisition run. For each invocation @p frames_read will be accumulated and
+ * once the configured frame limit has been reached sr_sw_limits_check() will
+ * return TRUE.
+ *
+ * @param limits software limits instance
+ * @param frames_read the amount of frames that have been read
+ */
+SR_PRIV void sr_sw_limits_update_frames_read(struct sr_sw_limits *limits,
+ uint64_t frames_read)
+{
+ limits->frames_read += frames_read;
+}