auto import from //depot/cupcake/@135843

1 files changed, 287 insertions, 0 deletions

diff --git a/audio/audio_int.h b/audio/audio_int.h
new file mode 100644
index 0000000..6677ec1
--- /dev/null
+++ b/audio/audio_int.h
@@ -0,0 +1,287 @@
+/*
+ * QEMU Audio subsystem header
+ *
+ * Copyright (c) 2003-2005 Vassili Karpov (malc)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef QEMU_AUDIO_INT_H
+#define QEMU_AUDIO_INT_H
+
+#include "audio/audio.h"
+
+#ifdef CONFIG_COREAUDIO
+#define FLOAT_MIXENG
+/* #define RECIPROCAL */
+#endif
+#include "mixeng.h"
+
+struct audio_pcm_ops;
+
+typedef enum {
+    AUD_OPT_INT,
+    AUD_OPT_FMT,
+    AUD_OPT_STR,
+    AUD_OPT_BOOL
+} audio_option_tag_e;
+
+struct audio_option {
+    const char *name;
+    audio_option_tag_e tag;
+    void *valp;
+    const char *descr;
+    int *overriddenp;
+    int overridden;
+};
+
+struct audio_callback {
+    void *opaque;
+    audio_callback_fn_t fn;
+};
+
+struct audio_pcm_info {
+    int bits;
+    int sign;
+    int freq;
+    int nchannels;
+    int align;
+    int shift;
+    int bytes_per_second;
+    int swap_endianness;
+};
+
+typedef struct SWVoiceCap SWVoiceCap;
+
+typedef struct HWVoiceOut {
+    int enabled;
+    int pending_disable;
+    struct audio_pcm_info info;
+
+    f_sample *clip;
+
+    int rpos;
+    uint64_t ts_helper;
+
+    st_sample_t *mix_buf;
+
+    int samples;
+    LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
+    LIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
+    struct audio_pcm_ops *pcm_ops;
+    LIST_ENTRY (HWVoiceOut) entries;
+} HWVoiceOut;
+
+typedef struct HWVoiceIn {
+    int enabled;
+    struct audio_pcm_info info;
+
+    t_sample *conv;
+
+    int wpos;
+    int total_samples_captured;
+    uint64_t ts_helper;
+
+    st_sample_t *conv_buf;
+
+    int samples;
+    LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
+    struct audio_pcm_ops *pcm_ops;
+    LIST_ENTRY (HWVoiceIn) entries;
+} HWVoiceIn;
+
+struct SWVoiceOut {
+    struct audio_pcm_info info;
+    t_sample *conv;
+    int64_t ratio;
+    st_sample_t *buf;
+    void *rate;
+    int total_hw_samples_mixed;
+    int active;
+    int empty;
+    HWVoiceOut *hw;
+    char *name;
+    volume_t vol;
+    struct audio_callback callback;
+    LIST_ENTRY (SWVoiceOut) entries;
+};
+
+struct SWVoiceIn {
+    int active;
+    struct audio_pcm_info info;
+    int64_t ratio;
+    void *rate;
+    int total_hw_samples_acquired;
+    st_sample_t *buf;
+    f_sample *clip;
+    HWVoiceIn *hw;
+    char *name;
+    volume_t vol;
+    struct audio_callback callback;
+    LIST_ENTRY (SWVoiceIn) entries;
+};
+
+struct audio_driver {
+    const char *name;
+    const char *descr;
+    struct audio_option *options;
+    void *(*init) (void);
+    void (*fini) (void *);
+    struct audio_pcm_ops *pcm_ops;
+    int can_be_default;
+    int max_voices_out;
+    int max_voices_in;
+    int voice_size_out;
+    int voice_size_in;
+};
+
+struct audio_pcm_ops {
+    int  (*init_out)(HWVoiceOut *hw, audsettings_t *as);
+    void (*fini_out)(HWVoiceOut *hw);
+    int  (*run_out) (HWVoiceOut *hw);
+    int  (*write)   (SWVoiceOut *sw, void *buf, int size);
+    int  (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
+
+    int  (*init_in) (HWVoiceIn *hw, audsettings_t *as);
+    void (*fini_in) (HWVoiceIn *hw);
+    int  (*run_in)  (HWVoiceIn *hw);
+    int  (*read)    (SWVoiceIn *sw, void *buf, int size);
+    int  (*ctl_in)  (HWVoiceIn *hw, int cmd, ...);
+};
+
+struct capture_callback {
+    struct audio_capture_ops ops;
+    void *opaque;
+    LIST_ENTRY (capture_callback) entries;
+};
+
+struct CaptureVoiceOut {
+    HWVoiceOut hw;
+    void *buf;
+    LIST_HEAD (cb_listhead, capture_callback) cb_head;
+    LIST_ENTRY (CaptureVoiceOut) entries;
+};
+
+struct SWVoiceCap {
+    SWVoiceOut sw;
+    CaptureVoiceOut *cap;
+    LIST_ENTRY (SWVoiceCap) entries;
+};
+
+struct AudioState {
+    struct audio_driver*  drv_in;
+    void*                 drv_in_opaque;
+    struct audio_driver*  drv_out;
+    void*                 drv_out_opaque;
+
+    QEMUTimer *ts;
+    LIST_HEAD (card_listhead, QEMUSoundCard) card_head;
+    LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
+    LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
+    LIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
+    int nb_hw_voices_out;
+    int nb_hw_voices_in;
+};
+
+extern struct audio_driver no_audio_driver;
+extern struct audio_driver oss_audio_driver;
+extern struct audio_driver sdl_audio_driver;
+extern struct audio_driver win_audio_driver;
+extern struct audio_driver wav_audio_driver;
+extern struct audio_driver fmod_audio_driver;
+extern struct audio_driver esd_audio_driver;
+extern struct audio_driver alsa_audio_driver;
+extern struct audio_driver coreaudio_audio_driver;
+extern struct audio_driver dsound_audio_driver;
+extern struct audio_driver esd_audio_driver;
+extern volume_t nominal_volume;
+
+void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as);
+void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
+
+int  audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
+int  audio_pcm_hw_get_live_in (HWVoiceIn *hw);
+
+int  audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
+int  audio_pcm_hw_get_live_out (HWVoiceOut *hw);
+int  audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live);
+
+int audio_bug (const char *funcname, int cond);
+void *audio_calloc (const char *funcname, int nmemb, size_t size);
+
+#define VOICE_ENABLE 1
+#define VOICE_DISABLE 2
+
+static inline int audio_ring_dist (int dst, int src, int len)
+{
+    return (dst >= src) ? (dst - src) : (len - src + dst);
+}
+
+#if defined __GNUC__
+#define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2)))
+#define INIT_FIELD(f) . f
+#define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m)))
+#else
+#define GCC_ATTR /**/
+#define INIT_FIELD(f) /**/
+#define GCC_FMT_ATTR(n, m)
+#endif
+
+static void GCC_ATTR dolog (const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start (ap, fmt);
+    AUD_vlog (AUDIO_CAP, fmt, ap);
+    va_end (ap);
+}
+
+#ifdef DEBUG
+static void GCC_ATTR ldebug (const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start (ap, fmt);
+    AUD_vlog (AUDIO_CAP, fmt, ap);
+    va_end (ap);
+}
+#else
+#if defined NDEBUG && defined __GNUC__
+#define ldebug(...)
+#elif defined NDEBUG && defined _MSC_VER
+#define ldebug __noop
+#else
+static void GCC_ATTR ldebug (const char *fmt, ...)
+{
+    (void) fmt;
+}
+#endif
+#endif
+
+#undef GCC_ATTR
+
+#define AUDIO_STRINGIFY_(n) #n
+#define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
+
+#if defined _MSC_VER || defined __GNUC__
+#define AUDIO_FUNC __FUNCTION__
+#else
+#define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
+#endif
+
+#endif /* audio_int.h */