diff options
Diffstat (limited to 'audio')
-rw-r--r-- | audio/alsaaudio.c | 2 | ||||
-rw-r--r-- | audio/audio.c | 25 | ||||
-rw-r--r-- | audio/audio_int.h | 1 | ||||
-rw-r--r-- | audio/audio_template.h | 12 | ||||
-rw-r--r-- | audio/mixeng.c | 83 | ||||
-rw-r--r-- | audio/mixeng.h | 6 |
6 files changed, 104 insertions, 25 deletions
diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index cacae1e..9b6c01c 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -899,7 +899,7 @@ static void alsa_enable_in(HWVoiceIn *hw, bool enable) static void alsa_init_per_direction(AudiodevAlsaPerDirectionOptions *apdo) { if (!apdo->has_try_poll) { - apdo->try_poll = true; + apdo->try_poll = false; apdo->has_try_poll = true; } } diff --git a/audio/audio.c b/audio/audio.c index 41ee11a..89f091b 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -905,6 +905,14 @@ size_t AUD_read(SWVoiceIn *sw, void *buf, size_t size) int AUD_get_buffer_size_out(SWVoiceOut *sw) { + if (!sw) { + return 0; + } + + if (audio_get_pdo_out(sw->s->dev)->mixing_engine) { + return sw->resample_buf.size * sw->info.bytes_per_frame; + } + return sw->hw->samples * sw->hw->info.bytes_per_frame; } @@ -1884,7 +1892,8 @@ CaptureVoiceOut *AUD_add_capture( cap->buf = g_malloc0_n(hw->mix_buf.size, hw->info.bytes_per_frame); if (hw->info.is_float) { - hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; + hw->clip = mixeng_clip_float[hw->info.nchannels == 2] + [hw->info.swap_endianness]; } else { hw->clip = mixeng_clip [hw->info.nchannels == 2] @@ -2274,17 +2283,19 @@ size_t audio_rate_peek_bytes(RateCtl *rate, struct audio_pcm_info *info) ticks = now - rate->start_ticks; bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND); frames = (bytes - rate->bytes_sent) / info->bytes_per_frame; - if (frames < 0 || frames > 65536) { - AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", frames); - audio_rate_start(rate); - frames = 0; - } + rate->peeked_frames = frames; - return frames * info->bytes_per_frame; + return frames < 0 ? 0 : frames * info->bytes_per_frame; } void audio_rate_add_bytes(RateCtl *rate, size_t bytes_used) { + if (rate->peeked_frames < 0 || rate->peeked_frames > 65536) { + AUD_log(NULL, "Resetting rate control (%" PRId64 " frames)\n", + rate->peeked_frames); + audio_rate_start(rate); + } + rate->bytes_sent += bytes_used; } diff --git a/audio/audio_int.h b/audio/audio_int.h index 2d079d0..f78ca05 100644 --- a/audio/audio_int.h +++ b/audio/audio_int.h @@ -255,6 +255,7 @@ const char *audio_application_name(void); typedef struct RateCtl { int64_t start_ticks; int64_t bytes_sent; + int64_t peeked_frames; } RateCtl; void audio_rate_start(RateCtl *rate); diff --git a/audio/audio_template.h b/audio/audio_template.h index 7ccfec0..c29d79c 100644 --- a/audio/audio_template.h +++ b/audio/audio_template.h @@ -174,9 +174,11 @@ static int glue (audio_pcm_sw_init_, TYPE) ( if (sw->info.is_float) { #ifdef DAC - sw->conv = mixeng_conv_float[sw->info.nchannels == 2]; + sw->conv = mixeng_conv_float[sw->info.nchannels == 2] + [sw->info.swap_endianness]; #else - sw->clip = mixeng_clip_float[sw->info.nchannels == 2]; + sw->clip = mixeng_clip_float[sw->info.nchannels == 2] + [sw->info.swap_endianness]; #endif } else { #ifdef DAC @@ -303,9 +305,11 @@ static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s, if (hw->info.is_float) { #ifdef DAC - hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; + hw->clip = mixeng_clip_float[hw->info.nchannels == 2] + [hw->info.swap_endianness]; #else - hw->conv = mixeng_conv_float[hw->info.nchannels == 2]; + hw->conv = mixeng_conv_float[hw->info.nchannels == 2] + [hw->info.swap_endianness]; #endif } else { #ifdef DAC diff --git a/audio/mixeng.c b/audio/mixeng.c index 69f6549..703ee54 100644 --- a/audio/mixeng.c +++ b/audio/mixeng.c @@ -283,10 +283,15 @@ static const float float_scale_reciprocal = 1.f / ((int64_t)INT32_MAX + 1); #endif #endif +#define F32_TO_F32S(v) \ + bswap32((union { uint32_t i; float f; }){ .f = (v) }.i) +#define F32S_TO_F32(v) \ + ((union { uint32_t i; float f; }){ .i = bswap32(v) }.f) + static void conv_natural_float_to_mono(struct st_sample *dst, const void *src, int samples) { - float *in = (float *)src; + const float *in = src; while (samples--) { dst->r = dst->l = CONV_NATURAL_FLOAT(*in++); @@ -294,10 +299,21 @@ static void conv_natural_float_to_mono(struct st_sample *dst, const void *src, } } +static void conv_swap_float_to_mono(struct st_sample *dst, const void *src, + int samples) +{ + const uint32_t *in_f32s = src; + + while (samples--) { + dst->r = dst->l = CONV_NATURAL_FLOAT(F32S_TO_F32(*in_f32s++)); + dst++; + } +} + static void conv_natural_float_to_stereo(struct st_sample *dst, const void *src, int samples) { - float *in = (float *)src; + const float *in = src; while (samples--) { dst->l = CONV_NATURAL_FLOAT(*in++); @@ -306,15 +322,33 @@ static void conv_natural_float_to_stereo(struct st_sample *dst, const void *src, } } -t_sample *mixeng_conv_float[2] = { - conv_natural_float_to_mono, - conv_natural_float_to_stereo, +static void conv_swap_float_to_stereo(struct st_sample *dst, const void *src, + int samples) +{ + const uint32_t *in_f32s = src; + + while (samples--) { + dst->l = CONV_NATURAL_FLOAT(F32S_TO_F32(*in_f32s++)); + dst->r = CONV_NATURAL_FLOAT(F32S_TO_F32(*in_f32s++)); + dst++; + } +} + +t_sample *mixeng_conv_float[2][2] = { + { + conv_natural_float_to_mono, + conv_swap_float_to_mono, + }, + { + conv_natural_float_to_stereo, + conv_swap_float_to_stereo, + } }; static void clip_natural_float_from_mono(void *dst, const struct st_sample *src, int samples) { - float *out = (float *)dst; + float *out = dst; while (samples--) { *out++ = CLIP_NATURAL_FLOAT(src->l + src->r); @@ -322,10 +356,21 @@ static void clip_natural_float_from_mono(void *dst, const struct st_sample *src, } } +static void clip_swap_float_from_mono(void *dst, const struct st_sample *src, + int samples) +{ + uint32_t *out_f32s = dst; + + while (samples--) { + *out_f32s++ = F32_TO_F32S(CLIP_NATURAL_FLOAT(src->l + src->r)); + src++; + } +} + static void clip_natural_float_from_stereo( void *dst, const struct st_sample *src, int samples) { - float *out = (float *)dst; + float *out = dst; while (samples--) { *out++ = CLIP_NATURAL_FLOAT(src->l); @@ -334,9 +379,27 @@ static void clip_natural_float_from_stereo( } } -f_sample *mixeng_clip_float[2] = { - clip_natural_float_from_mono, - clip_natural_float_from_stereo, +static void clip_swap_float_from_stereo( + void *dst, const struct st_sample *src, int samples) +{ + uint32_t *out_f32s = dst; + + while (samples--) { + *out_f32s++ = F32_TO_F32S(CLIP_NATURAL_FLOAT(src->l)); + *out_f32s++ = F32_TO_F32S(CLIP_NATURAL_FLOAT(src->r)); + src++; + } +} + +f_sample *mixeng_clip_float[2][2] = { + { + clip_natural_float_from_mono, + clip_swap_float_from_mono, + }, + { + clip_natural_float_from_stereo, + clip_swap_float_from_stereo, + } }; void audio_sample_to_uint64(const void *samples, int pos, diff --git a/audio/mixeng.h b/audio/mixeng.h index a5f56d2..ead93ac 100644 --- a/audio/mixeng.h +++ b/audio/mixeng.h @@ -42,9 +42,9 @@ typedef void (f_sample) (void *dst, const struct st_sample *src, int samples); extern t_sample *mixeng_conv[2][2][2][3]; extern f_sample *mixeng_clip[2][2][2][3]; -/* indices: [stereo] */ -extern t_sample *mixeng_conv_float[2]; -extern f_sample *mixeng_clip_float[2]; +/* indices: [stereo][swap endianness] */ +extern t_sample *mixeng_conv_float[2][2]; +extern f_sample *mixeng_clip_float[2][2]; void *st_rate_start (int inrate, int outrate); void st_rate_flow(void *opaque, st_sample *ibuf, st_sample *obuf, |