summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/modules/sound/coreaudio_sound.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/osd/modules/sound/coreaudio_sound.cpp')
-rw-r--r--src/osd/modules/sound/coreaudio_sound.cpp27
1 files changed, 4 insertions, 23 deletions
diff --git a/src/osd/modules/sound/coreaudio_sound.cpp b/src/osd/modules/sound/coreaudio_sound.cpp
index 3e5de546bcf..7e9814af117 100644
--- a/src/osd/modules/sound/coreaudio_sound.cpp
+++ b/src/osd/modules/sound/coreaudio_sound.cpp
@@ -46,7 +46,6 @@ public:
m_playpos(0),
m_writepos(0),
m_in_underrun(false),
- m_scale(128),
m_overflows(0),
m_underflows(0)
{
@@ -60,8 +59,7 @@ public:
// sound_module
- virtual void update_audio_stream(bool is_throttled, int16_t const *buffer, int samples_this_frame) override;
- virtual void set_mastervolume(int attenuation) override;
+ virtual void stream_sink_update(uint32_t, int16_t const *buffer, int samples_this_frame) override;
private:
struct node_detail
@@ -83,14 +81,6 @@ private:
uint32_t buffer_avail() const { return ((m_writepos >= m_playpos) ? m_buffer_size : 0) + m_playpos - m_writepos; }
uint32_t buffer_used() const { return ((m_playpos > m_writepos) ? m_buffer_size : 0) + m_writepos - m_playpos; }
- void copy_scaled(void *dst, void const *src, uint32_t bytes) const
- {
- bytes /= sizeof(int16_t);
- int16_t const *s = (int16_t const *)src;
- for (int16_t *d = (int16_t *)dst; bytes > 0; bytes--, s++, d++)
- *d = (*s * m_scale) >> 7;
- }
-
bool create_graph(osd_options const &options);
bool add_output(char const *name);
bool add_device_output(char const *name);
@@ -178,7 +168,6 @@ private:
uint32_t m_playpos;
uint32_t m_writepos;
bool m_in_underrun;
- int32_t m_scale;
unsigned m_overflows;
unsigned m_underflows;
};
@@ -240,7 +229,6 @@ int sound_coreaudio::init(osd_interface &osd, const osd_options &options)
m_playpos = 0;
m_writepos = m_headroom;
m_in_underrun = false;
- m_scale = 128;
m_overflows = m_underflows = 0;
// Initialise and start
@@ -290,7 +278,7 @@ void sound_coreaudio::exit()
}
-void sound_coreaudio::update_audio_stream(bool is_throttled, int16_t const *buffer, int samples_this_frame)
+void sound_coreaudio::stream_sink_update(uint32_t, int16_t const *buffer, int samples_this_frame)
{
if ((m_sample_rate == 0) || !m_buffer)
return;
@@ -318,13 +306,6 @@ void sound_coreaudio::update_audio_stream(bool is_throttled, int16_t const *buff
}
-void sound_coreaudio::set_mastervolume(int attenuation)
-{
- int const clamped_attenuation = std::clamp(attenuation, -32, 0);
- m_scale = (-32 == clamped_attenuation) ? 0 : (int32_t)(pow(10.0, clamped_attenuation / 20.0) * 128);
-}
-
-
bool sound_coreaudio::create_graph(osd_options const &options)
{
OSStatus err;
@@ -984,7 +965,7 @@ OSStatus sound_coreaudio::render(
}
uint32_t const chunk = std::min(m_buffer_size - m_playpos, number_bytes);
- copy_scaled((int8_t *)data->mBuffers[0].mData, &m_buffer[m_playpos], chunk);
+ memcpy((int8_t *)data->mBuffers[0].mData, &m_buffer[m_playpos], chunk);
m_playpos += chunk;
if (m_playpos >= m_buffer_size)
m_playpos = 0;
@@ -993,7 +974,7 @@ OSStatus sound_coreaudio::render(
{
assert(0U == m_playpos);
assert(m_writepos >= (number_bytes - chunk));
- copy_scaled((int8_t *)data->mBuffers[0].mData + chunk, &m_buffer[0], number_bytes - chunk);
+ memcpy((int8_t *)data->mBuffers[0].mData + chunk, &m_buffer[0], number_bytes - chunk);
m_playpos += number_bytes - chunk;
}