diff options
Diffstat (limited to 'audio/audio.c')
| -rw-r--r-- | audio/audio.c | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/audio/audio.c b/audio/audio.c index 3bfd808bc6..9ac9a20c41 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -218,6 +218,9 @@ static void audio_print_settings (struct audsettings *as) case AUDIO_FORMAT_U32: AUD_log (NULL, "U32"); break; + case AUDIO_FORMAT_F32: + AUD_log (NULL, "F32"); + break; default: AUD_log (NULL, "invalid(%d)", as->fmt); break; @@ -252,6 +255,7 @@ static int audio_validate_settings (struct audsettings *as) case AUDIO_FORMAT_U16: case AUDIO_FORMAT_S32: case AUDIO_FORMAT_U32: + case AUDIO_FORMAT_F32: break; default: invalid = 1; @@ -264,24 +268,28 @@ static int audio_validate_settings (struct audsettings *as) static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) { - int bits = 8, sign = 0; + int bits = 8; + bool is_signed = false, is_float = false; switch (as->fmt) { case AUDIO_FORMAT_S8: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U8: break; case AUDIO_FORMAT_S16: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U16: bits = 16; break; + case AUDIO_FORMAT_F32: + is_float = true; + /* fall through */ case AUDIO_FORMAT_S32: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U32: bits = 32; @@ -292,33 +300,38 @@ static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *a } return info->freq == as->freq && info->nchannels == as->nchannels - && info->sign == sign + && info->is_signed == is_signed + && info->is_float == is_float && info->bits == bits && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); } void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) { - int bits = 8, sign = 0, mul; + int bits = 8, mul; + bool is_signed = false, is_float = false; switch (as->fmt) { case AUDIO_FORMAT_S8: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U8: mul = 1; break; case AUDIO_FORMAT_S16: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U16: bits = 16; mul = 2; break; + case AUDIO_FORMAT_F32: + is_float = true; + /* fall through */ case AUDIO_FORMAT_S32: - sign = 1; + is_signed = true; /* fall through */ case AUDIO_FORMAT_U32: bits = 32; @@ -331,7 +344,8 @@ void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) info->freq = as->freq; info->bits = bits; - info->sign = sign; + info->is_signed = is_signed; + info->is_float = is_float; info->nchannels = as->nchannels; info->bytes_per_frame = as->nchannels * mul; info->bytes_per_second = info->freq * info->bytes_per_frame; @@ -344,7 +358,7 @@ void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) return; } - if (info->sign) { + if (info->is_signed || info->is_float) { memset(buf, 0x00, len * info->bytes_per_frame); } else { @@ -770,8 +784,9 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size) #ifdef DEBUG_AUDIO static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) { - dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n", - cap, info->bits, info->sign, info->freq, info->nchannels); + dolog("%s: bits %d, sign %d, float %d, freq %d, nchan %d\n", + cap, info->bits, info->is_signed, info->is_float, info->freq, + info->nchannels); } #endif @@ -1832,11 +1847,15 @@ CaptureVoiceOut *AUD_add_capture( cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame); - hw->clip = mixeng_clip - [hw->info.nchannels == 2] - [hw->info.sign] - [hw->info.swap_endianness] - [audio_bits_to_index (hw->info.bits)]; + if (hw->info.is_float) { + hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; + } else { + hw->clip = mixeng_clip + [hw->info.nchannels == 2] + [hw->info.is_signed] + [hw->info.swap_endianness] + [audio_bits_to_index(hw->info.bits)]; + } QLIST_INSERT_HEAD (&s->cap_head, cap, entries); QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); @@ -2075,6 +2094,7 @@ int audioformat_bytes_per_sample(AudioFormat fmt) case AUDIO_FORMAT_U32: case AUDIO_FORMAT_S32: + case AUDIO_FORMAT_F32: return 4; case AUDIO_FORMAT__MAX: |