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https://github.com/dingusdev/dingusppc.git
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Fix AWACs sound playback with WASAPI.
This commit is contained in:
Maxim Poliakovski
parent
e59939541e
commit
ae78a1f04f
@ -58,7 +58,7 @@ add_executable(dingusppc ${SOURCES} $<TARGET_OBJECTS:debugger>
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if (WIN32)
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target_link_libraries(dingusppc "${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2.lib"
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"${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2main.lib"
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libsoundio_static ${LIBSOUNDIO_LIBS})
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cubeb)
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else()
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#target_link_libraries(dingusppc libsoundio_static ${LIBSOUNDIO_LIBS} ${SDL2_LIBRARIES})
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target_link_libraries(dingusppc cubeb ${SDL2_LIBRARIES})
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@ -74,7 +74,7 @@ add_executable(testppc ${TEST_SOURCES} $<TARGET_OBJECTS:debugger>
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if (WIN32)
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target_link_libraries(testppc "${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2.lib"
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"${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2main.lib"
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libsoundio_static ${LIBSOUNDIO_LIBS})
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cubeb)
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else()
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#target_link_libraries(testppc libsoundio_static ${LIBSOUNDIO_LIBS} ${SDL2_LIBRARIES})
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target_link_libraries(testppc cubeb ${SDL2_LIBRARIES})
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@ -24,6 +24,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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Author: Max Poliakovski 2019-20
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*/
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#include <algorithm>
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#include <thirdparty/loguru/loguru.hpp>
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#include "endianswap.h"
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#include "awacs.h"
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@ -56,9 +57,6 @@ AWACDevice::~AWACDevice()
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}
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delete this->audio_proc;
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if (this->snd_buf)
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delete[] this->snd_buf;
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}
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void AWACDevice::set_dma_out(DMAChannel *dma_out_ch)
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@ -208,60 +206,76 @@ static void sound_out_callback(struct SoundIoOutStream *outstream,
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}
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#endif
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static void convert_data(const uint8_t *in, uint8_t *out, uint32_t len)
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{
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uint16_t *p_in, *p_out;
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if (len & 7) {
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LOG_F(WARNING, "AWAC sound buffer len not a multiply of 8, %d", len);
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}
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p_in = (uint16_t *)in;
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p_out = (uint16_t *)out;
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len >>= 1;
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LOG_F(INFO, "Converting %d samples", len);
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/* AWAC data comes as LLRR -> convert it to LRLR */
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for (int i = 0; i < len; i += 4) {
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p_out[i+0] = BYTESWAP_16(p_in[i+0]);
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p_out[i+1] = BYTESWAP_16(p_in[i+2]);
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p_out[i+2] = BYTESWAP_16(p_in[i+1]);
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p_out[i+3] = BYTESWAP_16(p_in[i+3]);
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}
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}
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long sound_out_callback(cubeb_stream *stream, void *user_data,
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long AWACDevice::sound_out_callback(cubeb_stream *stream, void *user_data,
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void const *input_buffer, void *output_buffer,
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long nframes)
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long req_frames)
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{
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uint8_t *p_in, *buf;
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uint32_t buf_len, rem_len, got_len;
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DMAChannel *dma_ch = static_cast<DMAChannel*>(user_data); /* C API baby! */
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int16_t* in_buf, * out_buf;
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uint32_t buf_len, rem_len, data_len, got_len;
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long frames, out_frames;
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AWACDevice *this_ptr = static_cast<AWACDevice*>(user_data); /* C API baby! */
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//LOG_F(INFO, "Cubeb data callback fired, nframes = %ld", nframes);
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if (!this_ptr->dma_out_ch->is_active()) {
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return 0;
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}
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buf = (uint8_t *)output_buffer;
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buf_len = nframes * 2 * sizeof(int16_t);
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out_buf = (int16_t*)output_buffer;
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for (rem_len = buf_len; rem_len > 0; rem_len -= got_len, buf += got_len) {
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if (!dma_ch->get_data(rem_len, &got_len, &p_in)) {
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convert_data(p_in, buf, got_len);
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LOG_F(INFO, "Converted sound data, len = %d", got_len);
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} else { /* no more data */
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//memset(buf, 0, rem_len); /* fill the buffer with silence */
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//LOG_F(INFO, "Inserted silence, len = %d", rem_len);
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LOG_F(INFO, "AWAC: return %d samples", (buf_len - rem_len) >> 2);
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return (buf_len - rem_len) >> 2;
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out_frames = 0;
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/* handle remainder chunk from previous call */
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if (req_frames > 0 && this_ptr->remainder) {
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out_buf[0] = this_ptr->rem_data[0];
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out_buf[1] = this_ptr->rem_data[1];
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out_buf += 2;
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req_frames--;
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out_frames++;
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this_ptr->remainder = false;
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}
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if (req_frames <= 0) {
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return out_frames;
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}
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while (req_frames > 0) {
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data_len = ((req_frames << 2) + 8) & ~7;
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if (!this_ptr->dma_out_ch->get_data(data_len, &got_len, &p_in)) {
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frames = std::min((long)(got_len >> 2), req_frames);
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in_buf = (int16_t*)p_in;
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for (int i = frames & ~1; i > 0; i -= 2) {
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out_buf[0] = BYTESWAP_16(in_buf[0]);
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out_buf[1] = BYTESWAP_16(in_buf[1]);
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out_buf[2] = BYTESWAP_16(in_buf[2]);
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out_buf[3] = BYTESWAP_16(in_buf[3]);
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in_buf += 4;
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out_buf += 4;
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}
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if (frames & 1) {
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out_buf[0] = BYTESWAP_16(in_buf[0]);
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out_buf[1] = BYTESWAP_16(in_buf[1]);
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this_ptr->rem_data[0] = BYTESWAP_16(in_buf[2]);
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this_ptr->rem_data[1] = BYTESWAP_16(in_buf[3]);
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this_ptr->remainder = true;
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}
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req_frames -= frames;
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out_frames += frames;
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}
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else {
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out_frames += got_len >> 2;
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break;
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}
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}
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return nframes;
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return out_frames;
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}
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void status_callback(cubeb_stream *stream, void *user_data, cubeb_state state)
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{
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LOG_F(INFO, "Cubeb status callback fired, status = %d", state);
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LOG_F(9, "Cubeb status callback fired, status = %d", state);
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}
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void AWACDevice::open_stream(int sample_rate)
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@ -285,7 +299,7 @@ void AWACDevice::open_stream(int sample_rate)
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#endif
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if ((err = this->snd_server->open_out_stream(sample_rate, sound_out_callback,
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status_callback, (void *)this->dma_out_ch))) {
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status_callback, (void *)this))) {
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LOG_F(ERROR, "AWAC: unable to open sound output stream: %d", err);
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this->out_stream_ready = false;
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} else {
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@ -316,6 +330,8 @@ void AWACDevice::dma_start()
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return;
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}
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this->remainder = false;
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//if ((err = soundio_outstream_start(this->out_stream))) {
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// LOG_F(ERROR, "AWAC: unable to start stream: %s\n", soundio_strerror(err));
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// return;
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@ -28,19 +28,10 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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#ifndef AWAC_H
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#define AWAC_H
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//#define SDL
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#include <cinttypes>
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#include "i2c.h"
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#include "dbdma.h"
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#include "soundserver.h"
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//#ifdef SDL
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//#include <thirdparty/SDL2/include/SDL.h>
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//#else
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//#include "thirdparty/portaudio/include/portaudio.h"
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//#endif
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//#include "libsoundio/soundio/soundio.h"
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//#include <thirdparty/libsoundio/soundio/soundio.h>
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/** AWAC registers offsets. */
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enum {
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@ -127,6 +118,10 @@ protected:
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void open_stream(int sample_rate);
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private:
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static long sound_out_callback(cubeb_stream* stream, void* user_data,
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void const* input_buffer, void* output_buffer,
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long req_frames);
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uint32_t snd_ctrl_reg = {0};
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uint16_t control_regs[8] = {0}; /* control registers, each 12-bits wide */
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uint8_t is_busy = 0;
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@ -141,8 +136,9 @@ private:
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DMAChannel *dma_out_ch;
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uint8_t* snd_buf = 0;
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uint32_t buf_len = 0;
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/* variables for handling odd number of frames */
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bool remainder;
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int16_t rem_data[2];
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};
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@ -23,6 +23,9 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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//#include <thirdparty/libsoundio/soundio/soundio.h>
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#include <thirdparty/loguru/loguru.hpp>
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#include <cubeb/cubeb.h>
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#ifdef _WIN32
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#include <objbase.h>
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#endif
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#if 0
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int SoundServer::start()
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@ -87,6 +90,10 @@ int SoundServer::start()
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{
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int res;
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#ifdef _WIN32
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CoInitialize(nullptr);
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#endif
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this->status = SND_SERVER_DOWN;
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res = cubeb_init(&this->cubeb_ctx, "Dingus sound server", NULL);
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