1 files changed, 122 insertions, 0 deletions
diff --git a/audio/out/ao.h b/audio/out/ao.h
new file mode 100644
index 0000000..18c7cdc
--- /dev/null
+++ b/audio/out/ao.h
@@ -0,0 +1,122 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPLAYER_AUDIO_OUT_H
+#define MPLAYER_AUDIO_OUT_H
+
+#include <stdbool.h>
+
+#include "misc/bstr.h"
+#include "common/common.h"
+#include "audio/chmap.h"
+#include "audio/chmap_sel.h"
+
+enum aocontrol {
+    // _VOLUME commands take a pointer to float for input/output.
+    AOCONTROL_GET_VOLUME,
+    AOCONTROL_SET_VOLUME,
+    // _MUTE commands take a pointer to bool
+    AOCONTROL_GET_MUTE,
+    AOCONTROL_SET_MUTE,
+    // Has char* as argument, which contains the desired stream title.
+    AOCONTROL_UPDATE_STREAM_TITLE,
+};
+
+// If set, then the queued audio data is the last. Note that after a while, new
+// data might be written again, instead of closing the AO.
+#define PLAYER_FINAL_CHUNK 1
+
+enum {
+    AO_EVENT_RELOAD = 1,
+    AO_EVENT_HOTPLUG = 2,
+    AO_EVENT_INITIAL_UNBLOCK = 4,
+};
+
+enum {
+    // Allow falling back to ao_null if nothing else works.
+    AO_INIT_NULL_FALLBACK = 1 << 0,
+    // Only accept multichannel configurations that are guaranteed to work
+    // (i.e. not sending arbitrary layouts over HDMI).
+    AO_INIT_SAFE_MULTICHANNEL_ONLY = 1 << 1,
+    // Stream silence as long as no audio is playing.
+    AO_INIT_STREAM_SILENCE = 1 << 2,
+    // Force exclusive mode, i.e. lock out the system mixer.
+    AO_INIT_EXCLUSIVE = 1 << 3,
+    // Initialize with music role.
+    AO_INIT_MEDIA_ROLE_MUSIC = 1 << 4,
+};
+
+struct ao_device_desc {
+    const char *name;   // symbolic name; will be set on ao->device
+    const char *desc;   // verbose human readable name
+};
+
+struct ao_device_list {
+    struct ao_device_desc *devices;
+    int num_devices;
+};
+
+struct ao;
+struct mpv_global;
+struct input_ctx;
+struct encode_lavc_context;
+
+struct ao_opts {
+    struct m_obj_settings *audio_driver_list;
+    char *audio_device;
+    char *audio_client_name;
+    double audio_buffer;
+};
+
+struct ao *ao_init_best(struct mpv_global *global,
+                        int init_flags,
+                        void (*wakeup_cb)(void *ctx), void *wakeup_ctx,
+                        struct encode_lavc_context *encode_lavc_ctx,
+                        int samplerate, int format, struct mp_chmap channels);
+void ao_uninit(struct ao *ao);
+void ao_get_format(struct ao *ao,
+                   int *samplerate, int *format, struct mp_chmap *channels);
+const char *ao_get_name(struct ao *ao);
+const char *ao_get_description(struct ao *ao);
+bool ao_untimed(struct ao *ao);
+int ao_control(struct ao *ao, enum aocontrol cmd, void *arg);
+void ao_set_gain(struct ao *ao, float gain);
+double ao_get_delay(struct ao *ao);
+void ao_reset(struct ao *ao);
+void ao_start(struct ao *ao);
+void ao_set_paused(struct ao *ao, bool paused, bool eof);
+void ao_drain(struct ao *ao);
+bool ao_is_playing(struct ao *ao);
+struct mp_async_queue;
+struct mp_async_queue *ao_get_queue(struct ao *ao);
+int ao_query_and_reset_events(struct ao *ao, int events);
+int ao_add_events(struct ao *ao, int events);
+void ao_unblock(struct ao *ao);
+void ao_request_reload(struct ao *ao);
+void ao_hotplug_event(struct ao *ao);
+
+struct ao_hotplug;
+struct ao_hotplug *ao_hotplug_create(struct mpv_global *global,
+                                     void (*wakeup_cb)(void *ctx),
+                                     void *wakeup_ctx);
+void ao_hotplug_destroy(struct ao_hotplug *hp);
+bool ao_hotplug_check_update(struct ao_hotplug *hp);
+struct ao_device_list *ao_hotplug_get_device_list(struct ao_hotplug *hp, struct ao *playback_ao);
+
+void ao_print_devices(struct mpv_global *global, struct mp_log *log, struct ao *playback_ao);
+
+#endif /* MPLAYER_AUDIO_OUT_H */