added stream struct

Author: GvozdevLeonid

python_bladerf/pylibbladerf/bladerf_stream.h

@@ -0,0 +1,29 @@
+#include <libbladeRF.h>
+#include <pthread.h>
+
+typedef enum {
+    STREAM_IDLE,
+    STREAM_RUNNING,
+    STREAM_SHUTTING_DOWN,
+    STREAM_DONE
+} bladerf_stream_state;
+
+struct bladerf_stream {
+    struct bladerf *dev;
+    bladerf_channel_layout layout;
+    bladerf_format format;
+    unsigned int transfer_timeout;
+    bladerf_stream_cb cb;
+    void *user_data;
+    size_t samples_per_buffer;
+    size_t num_buffers;
+    void **buffers;
+
+    pthread_mutex_t lock;
+
+    int error_code;
+    bladerf_stream_state state;
+    pthread_cond_t can_submit_buffer;
+    pthread_cond_t stream_started;
+    void *backend_data;
+};