diff options
Diffstat (limited to 'dxr3audio-pa.c')
-rw-r--r-- | dxr3audio-pa.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dxr3audio-pa.c b/dxr3audio-pa.c new file mode 100644 index 0000000..fefabae --- /dev/null +++ b/dxr3audio-pa.c @@ -0,0 +1,79 @@ +/* + * + * Copyright (C) 2010 Christian Gmeiner + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef PULSEAUDIO + +#include "dxr3audio-pa.h" + +#include <pulse/error.h> + +void cAudioPA::releaseDevice() +{ + if (s) { + pa_simple_free(s); + s = NULL; + } +} + +void cAudioPA::setup(int channels, int samplerate) +{ + bool reopen = false; + + // set sample rate + if (curContext.samplerate != samplerate) { + dsyslog("[dxr3-audio-pa] changing samplerate to %d (old %d) ", samplerate, curContext.samplerate); + curContext.samplerate = samplerate; + ss.rate = samplerate; + reopen = true; + } + + // set channels + if (curContext.channels != channels) { + dsyslog("[dxr3-audio-pa] changing num of channels to %d (old %d)", channels, curContext.channels); + curContext.channels = channels; + ss.channels = channels; + reopen = true; + } + + if (reopen) { + ss.format = PA_SAMPLE_S16LE; + + if (s) + pa_simple_free(s); + + // create a new playback stream + s = pa_simple_new(NULL, "vdr-plugin-dxr3", PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error); + + if (!s) { + // error handling + } + } +} + +void cAudioPA::write(uchar* data, size_t size) +{ + int ret = pa_simple_write(s, data, size, &error); + + if (ret < 0) { + esyslog("[dxr3-audio-pa] failed to write audio data: %s", pa_strerror(error)); + } +} + +#endif |