ao_coreaudio: split ao_coreaudio_common in two files

 * ao_coreaudio_utils: contains several utility function
 * ao_coreaudio_properties: contains functions to set and get  audio object
   properties.

Conflicts:
	audio/out/ao_coreaudio.c

1 files changed, 77 insertions, 0 deletions

diff --git a/audio/out/ao_coreaudio_utils.h b/audio/out/ao_coreaudio_utils.h
new file mode 100644
index 0000000000..dd68ed1082
--- /dev/null
+++ b/audio/out/ao_coreaudio_utils.h
@@ -0,0 +1,77 @@
+/*
+ * This file is part of mpv.
+ * Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPV_COREAUDIO_UTILS_H
+#define MPV_COREAUDIO_UTILS_H
+
+#include <AudioToolbox/AudioToolbox.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include "core/mp_msg.h"
+
+#define ca_msg(a, b ...) mp_msg(MSGT_AO, a, "AO: [coreaudio] " b)
+#define CA_CFSTR_ENCODING kCFStringEncodingASCII
+
+char *fourcc_repr(void *talloc_ctx, uint32_t code);
+bool check_ca_st(int level, OSStatus code, const char *message);
+
+#define CHECK_CA_ERROR_L(label, message) \
+    do { \
+        if (!check_ca_st(MSGL_ERR, err, message)) { \
+            goto label; \
+        } \
+    } while (0)
+
+#define CHECK_CA_ERROR(message) CHECK_CA_ERROR_L(coreaudio_error, message)
+#define CHECK_CA_WARN(message)  check_ca_st(MSGL_WARN, err, message)
+
+void ca_print_asbd(const char *description,
+                   const AudioStreamBasicDescription *asbd);
+
+int AudioFormatIsDigital(AudioStreamBasicDescription asbd);
+int AudioStreamSupportsDigital(AudioStreamID stream);
+int AudioDeviceSupportsDigital(AudioDeviceID device);
+
+OSStatus ca_property_listener(AudioObjectPropertySelector selector,
+                              AudioObjectID object, uint32_t n_addresses,
+                              const AudioObjectPropertyAddress addresses[],
+                              void *data);
+
+OSStatus ca_stream_listener(AudioObjectID object, uint32_t n_addresses,
+                            const AudioObjectPropertyAddress addresses[],
+                            void *data);
+
+OSStatus ca_device_listener(AudioObjectID object, uint32_t n_addresses,
+                            const AudioObjectPropertyAddress addresses[],
+                            void *data);
+
+OSStatus ca_lock_device(AudioDeviceID device, pid_t *pid);
+OSStatus ca_unlock_device(AudioDeviceID device, pid_t *pid);
+OSStatus ca_disable_mixing(AudioDeviceID device, bool *changed);
+OSStatus ca_enable_mixing(AudioDeviceID device, bool changed);
+OSStatus ca_enable_device_listener(AudioDeviceID device, void *flag);
+OSStatus ca_disable_device_listener(AudioDeviceID device, void *flag);
+
+int AudioStreamChangeFormat(AudioStreamID i_stream_id,
+                            AudioStreamBasicDescription change_format);
+
+bool ca_bitmap_from_ch_descriptions(AudioChannelLayout layout,
+                                    uint32_t *bitmap);
+bool ca_bitmap_from_ch_tag(AudioChannelLayout layout, uint32_t *bitmap);
+
+#endif /* MPV_COREAUDIO_UTILS_H */