ao_wasapi: Split into 2 files

ao_wasapi.c was almost entirely init code mixed with option code and
occasionally actual audio handling code. Split most things to
ao_wasapi_utils.c and keep the audio handling code in ao_wasapi.c.

1 files changed, 95 insertions, 0 deletions

diff --git a/audio/out/ao_wasapi.h b/audio/out/ao_wasapi.h
new file mode 100755
index 0000000000..8df45f042e
--- /dev/null
+++ b/audio/out/ao_wasapi.h
@@ -0,0 +1,95 @@
+/*
+ * This file is part of mpv.
+ *
+ * Original author: Jonathan Yong <10walls@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 MP_AO_WASAPI_H_
+#define MP_AO_WASAPI_H_
+
+#define COBJMACROS 1
+#define _WIN32_WINNT 0x600
+
+#include <audioclient.h>
+#include <mmdeviceapi.h>
+#include <avrt.h>
+
+typedef struct wasapi_state {
+    struct mp_log *log;
+    HANDLE threadLoop;
+
+    /* Init phase */
+    int init_ret;
+    HANDLE init_done;
+    HANDLE fatal_error; /* signal to indicate unrecoverable error */
+    int share_mode;
+
+    /* Events */
+    HANDLE hPause;
+
+    /* Play */
+    HANDLE hPlay;
+    int is_playing;
+
+    /* Reset */
+    HANDLE hReset;
+
+    /* uninit */
+    HANDLE hUninit;
+    LONG immed;
+
+    /* volume control */
+    HANDLE hGetvol, hSetvol, hDoneVol;
+    DWORD vol_hw_support, status;
+    float audio_volume;
+
+    /* Buffers */
+    size_t buffer_block_size; /* Size of each block in bytes */
+    REFERENCE_TIME
+        minRequestedDuration; /* minimum wasapi buffer block size, in 100-nanosecond units */
+    REFERENCE_TIME
+        defaultRequestedDuration; /* default wasapi default block size, in 100-nanosecond units */
+    UINT32 bufferFrameCount; /* wasapi buffer block size, number of frames, frame size at format.nBlockAlign */
+
+    /* WASAPI handles, owned by other thread */
+    IMMDevice *pDevice;
+    IAudioClient *pAudioClient;
+    IAudioRenderClient *pRenderClient;
+    IAudioEndpointVolume *pEndpointVolume;
+    HANDLE hFeed; /* wasapi event */
+    HANDLE hTask; /* AV thread */
+    DWORD taskIndex; /* AV task ID */
+    WAVEFORMATEXTENSIBLE format;
+
+    /* WASAPI internal clock information, for estimating delay */
+    IAudioClock *pAudioClock;
+    UINT64 clock_frequency; /* scale for the "samples" returned by the clock */
+    UINT64 sample_count; /* the amount of samples per channel written to a GetBuffer buffer */
+    LARGE_INTEGER qpc_frequency; /* frequency of windows' high resolution timer */
+
+    int opt_exclusive;
+    int opt_list;
+    char *opt_device;
+
+    /* We still need to support XP, don't use these functions directly, blob owned by main thread */
+    struct {
+        HMODULE hAvrt;
+        HANDLE (WINAPI *pAvSetMmThreadCharacteristicsW)(LPCWSTR, LPDWORD);
+        WINBOOL (WINAPI *pAvRevertMmThreadCharacteristics)(HANDLE);
+    } VistaBlob;
+} wasapi_state;
+
+#endif
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