jack2/android/JackOpenSLESDriver.cpp at develop · jackaudio/jack2 · GitHub

History

233 lines (185 loc) · 7.81 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#include "JackOpenSLESDriver.h"

#include "JackDriverLoader.h"

#include "JackThreadedDriver.h"

#include "JackEngineControl.h"

#include "JackGraphManager.h"

#include "JackCompilerDeps.h"

#include <iostream>

#include <unistd.h>

#include <fcntl.h>

#include <math.h>

#include <android/log.h>

#include "opensl_io.h"

#define JACK_OPENSLES_DEFAULT_SAMPLERATE 48000

#define JACK_OPENSLES_DEFAULT_BUFFER_SIZE 960

namespace Jack

{

static OPENSL_STREAM *pOpenSL_stream;

int JackOpenSLESDriver::Open(jack_nframes_t buffer_size,

jack_nframes_t samplerate,

bool capturing,

bool playing,

int inchannels,

int outchannels,

bool monitor,

const char* capture_driver_uid,

const char* playback_driver_uid,

jack_nframes_t capture_latency,

jack_nframes_t playback_latency) {

jack_log("JackOpenSLESDriver::Open");

// Generic JackAudioDriver Open

if (JackAudioDriver::Open(buffer_size, samplerate, capturing, playing, inchannels, outchannels, monitor,

capture_driver_uid, playback_driver_uid, capture_latency, playback_latency) != 0) {

return -1;

}

if (capturing) {

inbuffer = (float *) malloc(sizeof(float) * buffer_size); //mono input

memset(inbuffer, 0, sizeof(float) * buffer_size);

}

if (playing) {

outbuffer = (float *) malloc(sizeof(float) * buffer_size * 2); //stereo output

memset(outbuffer, 0, sizeof(float) * buffer_size * 2);

}

pOpenSL_stream = android_OpenAudioDevice(samplerate, capturing ? 1 : 0, playing ? 2 : 0, buffer_size);

if (pOpenSL_stream == NULL) return -1;

return 0;

}

int JackOpenSLESDriver::Close() {

jack_log("JackOpenSLESDriver::Close");

// Generic audio driver close

int res = JackAudioDriver::Close();

android_CloseAudioDevice(pOpenSL_stream);

if (inbuffer) {

free(inbuffer);

inbuffer = NULL;

}

if (outbuffer) {

free(outbuffer);

outbuffer = NULL;

}

return res;

}

int JackOpenSLESDriver::Read() {

//jack_log("JackOpenSLESDriver::Read");

jack_default_audio_sample_t* inputBuffer_1 = GetInputBuffer(0);

jack_default_audio_sample_t* inputBuffer_2 = GetInputBuffer(1);

if (inbuffer) {

int samps = android_AudioIn(pOpenSL_stream,inbuffer,fEngineControl->fBufferSize);

for (int i = 0; i < samps; i++) {

*(inputBuffer_1 + i) = *(inbuffer + i);

*(inputBuffer_2 + i) = *(inbuffer + i);

}

} else {

for (int i = 0; i < fCaptureChannels; i++) {

memset(GetInputBuffer(i), 0, sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize); //silence

}

return 0;

}

int JackOpenSLESDriver::Write() {

//jack_log("JackOpenSLESDriver::Write");

jack_default_audio_sample_t* outputBuffer_1 = GetOutputBuffer(0);

jack_default_audio_sample_t* outputBuffer_2 = GetOutputBuffer(1);

if (outbuffer) {

android_AudioOut(pOpenSL_stream, outbuffer, fEngineControl->fBufferSize * 2); //stereo output

for (unsigned int i = 0, j = 0; i < fEngineControl->fBufferSize; i++) {

*(outbuffer + j) = *(outputBuffer_1 + i); j++;

*(outbuffer + j) = *(outputBuffer_2 + i); j++;

}

return 0;

}

int JackOpenSLESDriver::SetBufferSize(jack_nframes_t buffer_size) {

jack_log("JackOpenSLESDriver::SetBufferSize");

JackAudioDriver::SetBufferSize(buffer_size);

return 0;

}

} // end of namespace

#ifdef __cplusplus

extern "C"

{

#endif

SERVER_EXPORT jack_driver_desc_t * driver_get_descriptor () {

jack_driver_desc_t * desc;

jack_driver_desc_filler_t filler;

jack_driver_param_value_t value;

desc = jack_driver_descriptor_construct("opensles", JackDriverMaster, "Timer based backend", &filler);

value.ui = 2U;

jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamUInt, &value, NULL, "Number of capture ports", NULL);

jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamUInt, &value, NULL, "Number of playback ports", NULL);

value.ui = 48000U;

jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);

value.i = 0;

jack_driver_descriptor_add_parameter(desc, &filler, "monitor", 'm', JackDriverParamBool, &value, NULL, "Provide monitor ports for the output", NULL);

value.ui = JACK_OPENSLES_DEFAULT_BUFFER_SIZE;

jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", NULL);

value.ui = 21333U;

jack_driver_descriptor_add_parameter(desc, &filler, "wait", 'w', JackDriverParamUInt, &value, NULL, "Number of usecs to wait between engine processes", NULL);

return desc;

}

SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params) {

jack_nframes_t sample_rate = JACK_OPENSLES_DEFAULT_SAMPLERATE;

jack_nframes_t buffer_size = JACK_OPENSLES_DEFAULT_BUFFER_SIZE;

unsigned int capture_ports = 0;

unsigned int playback_ports = 2;

int wait_time = 0;

const JSList * node;

const jack_driver_param_t * param;

bool monitor = false;

for (node = params; node; node = jack_slist_next (node)) {

param = (const jack_driver_param_t *) node->data;

switch (param->character) {

case 'C':

capture_ports = param->value.ui;

break;

case 'P':

playback_ports = param->value.ui;

break;

case 'r':

sample_rate = param->value.ui;

break;

case 'p':

buffer_size = param->value.ui;

break;

case 'w':

wait_time = param->value.ui;

break;

case 'm':

monitor = param->value.i;

break;

}

if (wait_time > 0) {

buffer_size = lroundf((wait_time * sample_rate) / 1000000.0f);

if (buffer_size > BUFFER_SIZE_MAX) {

buffer_size = BUFFER_SIZE_MAX;

jack_error("Buffer size set to %d", BUFFER_SIZE_MAX);

}

Jack::JackDriverClientInterface* driver = new Jack::JackThreadedDriver(new Jack::JackOpenSLESDriver("system", "opensles_pcm", engine, table));

if (driver->Open(buffer_size, sample_rate, capture_ports? 1 : 0, playback_ports? 1 : 0, capture_ports, playback_ports, monitor, "opensles", "opensles", 0, 0) == 0) {

return driver;

} else {

delete driver;

return NULL;

}

#ifdef __cplusplus

}

#endif

jack2/android/JackOpenSLESDriver.cpp at develop · jackaudio/jack2 · GitHub

Uh oh!

Expand file tree

Breadcrumbs

JackOpenSLESDriver.cpp

Latest commit

History

Breadcrumbs

JackOpenSLESDriver.cpp

File metadata and controls