diff options
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/audio.c | 73 | ||||
| -rw-r--r-- | audio/sdlaudio.c | 188 |
2 files changed, 34 insertions, 227 deletions
diff --git a/audio/audio.c b/audio/audio.c index d163ffbc88..909c817103 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -454,9 +454,7 @@ static void audio_print_options (const char *prefix, static void audio_process_options (const char *prefix, struct audio_option *opt) { - char *optname; - const char qemu_prefix[] = "QEMU_"; - size_t preflen, optlen; + gchar *prefix_upper; if (audio_bug(__func__, !prefix)) { dolog ("prefix = NULL\n"); @@ -468,10 +466,10 @@ static void audio_process_options (const char *prefix, return; } - preflen = strlen (prefix); + prefix_upper = g_utf8_strup(prefix, -1); for (; opt->name; opt++) { - size_t len, i; + char *optname; int def; if (!opt->valp) { @@ -480,21 +478,7 @@ static void audio_process_options (const char *prefix, continue; } - len = strlen (opt->name); - /* len of opt->name + len of prefix + size of qemu_prefix - * (includes trailing zero) + zero + underscore (on behalf of - * sizeof) */ - optlen = len + preflen + sizeof (qemu_prefix) + 1; - optname = g_malloc (optlen); - - pstrcpy (optname, optlen, qemu_prefix); - - /* copy while upper-casing, including trailing zero */ - for (i = 0; i <= preflen; ++i) { - optname[i + sizeof (qemu_prefix) - 1] = qemu_toupper(prefix[i]); - } - pstrcat (optname, optlen, "_"); - pstrcat (optname, optlen, opt->name); + optname = g_strdup_printf("QEMU_%s_%s", prefix_upper, opt->name); def = 1; switch (opt->tag) { @@ -532,6 +516,7 @@ static void audio_process_options (const char *prefix, *opt->overriddenp = !def; g_free (optname); } + g_free(prefix_upper); } static void audio_print_settings (struct audsettings *as) @@ -826,12 +811,7 @@ static int audio_attach_capture (HWVoiceOut *hw) SWVoiceOut *sw; HWVoiceOut *hw_cap = &cap->hw; - sc = audio_calloc(__func__, 1, sizeof(*sc)); - if (!sc) { - dolog ("Could not allocate soft capture voice (%zu bytes)\n", - sizeof (*sc)); - return -1; - } + sc = g_malloc0(sizeof(*sc)); sc->cap = cap; sw = &sc->sw; @@ -1975,15 +1955,10 @@ CaptureVoiceOut *AUD_add_capture ( if (audio_validate_settings (as)) { dolog ("Invalid settings were passed when trying to add capture\n"); audio_print_settings (as); - goto err0; + return NULL; } - cb = audio_calloc(__func__, 1, sizeof(*cb)); - if (!cb) { - dolog ("Could not allocate capture callback information, size %zu\n", - sizeof (*cb)); - goto err0; - } + cb = g_malloc0(sizeof(*cb)); cb->ops = *ops; cb->opaque = cb_opaque; @@ -1996,12 +1971,7 @@ CaptureVoiceOut *AUD_add_capture ( HWVoiceOut *hw; CaptureVoiceOut *cap; - cap = audio_calloc(__func__, 1, sizeof(*cap)); - if (!cap) { - dolog ("Could not allocate capture voice, size %zu\n", - sizeof (*cap)); - goto err1; - } + cap = g_malloc0(sizeof(*cap)); hw = &cap->hw; QLIST_INIT (&hw->sw_head); @@ -2009,23 +1979,11 @@ CaptureVoiceOut *AUD_add_capture ( /* XXX find a more elegant way */ hw->samples = 4096 * 4; - hw->mix_buf = audio_calloc(__func__, hw->samples, - sizeof(struct st_sample)); - if (!hw->mix_buf) { - dolog ("Could not allocate capture mix buffer (%d samples)\n", - hw->samples); - goto err2; - } + hw->mix_buf = g_new0(struct st_sample, hw->samples); audio_pcm_init_info (&hw->info, as); - cap->buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); - if (!cap->buf) { - dolog ("Could not allocate capture buffer " - "(%d samples, each %d bytes)\n", - hw->samples, 1 << hw->info.shift); - goto err3; - } + cap->buf = g_malloc0_n(hw->samples, 1 << hw->info.shift); hw->clip = mixeng_clip [hw->info.nchannels == 2] @@ -2040,15 +1998,6 @@ CaptureVoiceOut *AUD_add_capture ( audio_attach_capture (hw); } return cap; - - err3: - g_free (cap->hw.mix_buf); - err2: - g_free (cap); - err1: - g_free (cb); - err0: - return NULL; } } diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c index 9db5ac92bc..f7ee70b153 100644 --- a/audio/sdlaudio.c +++ b/audio/sdlaudio.c @@ -38,14 +38,9 @@ #define AUDIO_CAP "sdl" #include "audio_int.h" -#define USE_SEMAPHORE (SDL_MAJOR_VERSION < 2) - typedef struct SDLVoiceOut { HWVoiceOut hw; int live; -#if USE_SEMAPHORE - int rpos; -#endif int decr; } SDLVoiceOut; @@ -57,10 +52,6 @@ static struct { static struct SDLAudioState { int exit; -#if USE_SEMAPHORE - SDL_mutex *mutex; - SDL_sem *sem; -#endif int initialized; bool driver_created; } glob_sdl; @@ -77,66 +68,6 @@ static void GCC_FMT_ATTR (1, 2) sdl_logerr (const char *fmt, ...) AUD_log (AUDIO_CAP, "Reason: %s\n", SDL_GetError ()); } -static int sdl_lock (SDLAudioState *s, const char *forfn) -{ -#if USE_SEMAPHORE - if (SDL_LockMutex (s->mutex)) { - sdl_logerr ("SDL_LockMutex for %s failed\n", forfn); - return -1; - } -#else - SDL_LockAudio(); -#endif - - return 0; -} - -static int sdl_unlock (SDLAudioState *s, const char *forfn) -{ -#if USE_SEMAPHORE - if (SDL_UnlockMutex (s->mutex)) { - sdl_logerr ("SDL_UnlockMutex for %s failed\n", forfn); - return -1; - } -#else - SDL_UnlockAudio(); -#endif - - return 0; -} - -static int sdl_post (SDLAudioState *s, const char *forfn) -{ -#if USE_SEMAPHORE - if (SDL_SemPost (s->sem)) { - sdl_logerr ("SDL_SemPost for %s failed\n", forfn); - return -1; - } -#endif - - return 0; -} - -#if USE_SEMAPHORE -static int sdl_wait (SDLAudioState *s, const char *forfn) -{ - if (SDL_SemWait (s->sem)) { - sdl_logerr ("SDL_SemWait for %s failed\n", forfn); - return -1; - } - return 0; -} -#endif - -static int sdl_unlock_and_post (SDLAudioState *s, const char *forfn) -{ - if (sdl_unlock (s, forfn)) { - return -1; - } - - return sdl_post (s, forfn); -} - static int aud_to_sdlfmt (audfmt_e fmt) { switch (fmt) { @@ -243,9 +174,9 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt) static void sdl_close (SDLAudioState *s) { if (s->initialized) { - sdl_lock (s, "sdl_close"); + SDL_LockAudio(); s->exit = 1; - sdl_unlock_and_post (s, "sdl_close"); + SDL_UnlockAudio(); SDL_PauseAudio (1); SDL_CloseAudio (); s->initialized = 0; @@ -258,76 +189,36 @@ static void sdl_callback (void *opaque, Uint8 *buf, int len) SDLAudioState *s = &glob_sdl; HWVoiceOut *hw = &sdl->hw; int samples = len >> hw->info.shift; + int to_mix, decr; - if (s->exit) { + if (s->exit || !sdl->live) { return; } - while (samples) { - int to_mix, decr; - - /* dolog ("in callback samples=%d\n", samples); */ -#if USE_SEMAPHORE - sdl_wait (s, "sdl_callback"); - if (s->exit) { - return; - } - - if (sdl_lock (s, "sdl_callback")) { - return; - } - - if (audio_bug(__func__, sdl->live < 0 || sdl->live > hw->samples)) { - dolog ("sdl->live=%d hw->samples=%d\n", - sdl->live, hw->samples); - return; - } - - if (!sdl->live) { - goto again; - } -#else - if (s->exit || !sdl->live) { - break; - } -#endif + /* dolog ("in callback samples=%d live=%d\n", samples, sdl->live); */ - /* dolog ("in callback live=%d\n", live); */ - to_mix = audio_MIN (samples, sdl->live); - decr = to_mix; - while (to_mix) { - int chunk = audio_MIN (to_mix, hw->samples - hw->rpos); - struct st_sample *src = hw->mix_buf + hw->rpos; - - /* dolog ("in callback to_mix %d, chunk %d\n", to_mix, chunk); */ - hw->clip (buf, src, chunk); -#if USE_SEMAPHORE - sdl->rpos = (sdl->rpos + chunk) % hw->samples; -#else - hw->rpos = (hw->rpos + chunk) % hw->samples; -#endif - to_mix -= chunk; - buf += chunk << hw->info.shift; - } - samples -= decr; - sdl->live -= decr; - sdl->decr += decr; - -#if USE_SEMAPHORE - again: - if (sdl_unlock (s, "sdl_callback")) { - return; - } -#endif + to_mix = audio_MIN(samples, sdl->live); + decr = to_mix; + while (to_mix) { + int chunk = audio_MIN(to_mix, hw->samples - hw->rpos); + struct st_sample *src = hw->mix_buf + hw->rpos; + + /* dolog ("in callback to_mix %d, chunk %d\n", to_mix, chunk); */ + hw->clip(buf, src, chunk); + hw->rpos = (hw->rpos + chunk) % hw->samples; + to_mix -= chunk; + buf += chunk << hw->info.shift; } + samples -= decr; + sdl->live -= decr; + sdl->decr += decr; + /* dolog ("done len=%d\n", len); */ -#if (SDL_MAJOR_VERSION >= 2) /* SDL2 does not clear the remaining buffer for us, so do it on our own */ if (samples) { memset(buf, 0, samples << hw->info.shift); } -#endif } static int sdl_write_out (SWVoiceOut *sw, void *buf, int len) @@ -339,11 +230,8 @@ static int sdl_run_out (HWVoiceOut *hw, int live) { int decr; SDLVoiceOut *sdl = (SDLVoiceOut *) hw; - SDLAudioState *s = &glob_sdl; - if (sdl_lock (s, "sdl_run_out")) { - return 0; - } + SDL_LockAudio(); if (sdl->decr > live) { ldebug ("sdl->decr %d live %d sdl->live %d\n", @@ -355,19 +243,10 @@ static int sdl_run_out (HWVoiceOut *hw, int live) decr = audio_MIN (sdl->decr, live); sdl->decr -= decr; -#if USE_SEMAPHORE - sdl->live = live - decr; - hw->rpos = sdl->rpos; -#else sdl->live = live; -#endif - if (sdl->live > 0) { - sdl_unlock_and_post (s, "sdl_run_out"); - } - else { - sdl_unlock (s, "sdl_run_out"); - } + SDL_UnlockAudio(); + return decr; } @@ -449,23 +328,6 @@ static void *sdl_audio_init (void) return NULL; } -#if USE_SEMAPHORE - s->mutex = SDL_CreateMutex (); - if (!s->mutex) { - sdl_logerr ("Failed to create SDL mutex\n"); - SDL_QuitSubSystem (SDL_INIT_AUDIO); - return NULL; - } - - s->sem = SDL_CreateSemaphore (0); - if (!s->sem) { - sdl_logerr ("Failed to create SDL semaphore\n"); - SDL_DestroyMutex (s->mutex); - SDL_QuitSubSystem (SDL_INIT_AUDIO); - return NULL; - } -#endif - s->driver_created = true; return s; } @@ -474,10 +336,6 @@ static void sdl_audio_fini (void *opaque) { SDLAudioState *s = opaque; sdl_close (s); -#if USE_SEMAPHORE - SDL_DestroySemaphore (s->sem); - SDL_DestroyMutex (s->mutex); -#endif SDL_QuitSubSystem (SDL_INIT_AUDIO); s->driver_created = false; } |