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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitbcb704366cb5e333a626c18c308c7e0448a8e69f (patch)
treef0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c
downloadtdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz
tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c')
-rw-r--r--kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c574
1 files changed, 574 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c
new file mode 100644
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+++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/jackcard.c
@@ -0,0 +1,574 @@
+/*
+ The mediastreamer library aims at providing modular media processing and I/O
+ for linphone, but also for any telephony application.
+ Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
+
+ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ JACK support
+ Copyright (C) 2004 Tobias Gehrig tobias@gehrig.tk
+*/
+
+#include "jackcard.h"
+
+#ifdef __JACK_ENABLED__
+
+#include "msossread.h"
+#include "msosswrite.h"
+
+#include <signal.h>
+
+#define READBUFFERSIZE 524288
+#define WRITEBUFFERSIZE 524288
+#define BSIZE 512
+
+/**
+ * jack_shutdown:
+ * @arg:
+ *
+ * This is the shutdown callback for this JACK application.
+ * It is called by JACK if the server ever shuts down or
+ * decides to disconnect the client.
+ *
+ */
+void
+jack_shutdown (void *arg)
+{
+ JackCard* obj = (JackCard*) arg;
+
+ obj->jack_running = FALSE;
+ obj->jack_active = FALSE;
+ obj->read.port = NULL;
+ if (obj->read.open)
+ obj->read.init = TRUE;
+ obj->write.port = NULL;
+ if (obj->write.open)
+ obj->write.init = TRUE;
+}
+
+int samplerate(jack_nframes_t rate, void *arg)
+{
+ JackCard* obj = (JackCard*) arg;
+ int error;
+
+ obj->rate = rate;
+ if (obj->read.open) {
+ obj->read.data.src_ratio = (double)obj->read.rate / (double)obj->rate;
+ obj->read.data.input_frames = (long)((double)obj->read.frames/obj->read.data.src_ratio);
+ g_free(obj->read.data.data_in);
+ obj->read.data.data_in = malloc(obj->read.data.input_frames*sizeof(float));
+ if (obj->read.src_state)
+ if ((error = src_set_ratio(obj->read.src_state, obj->read.data.src_ratio)) != 0)
+ g_warning("Error while resetting the write samplerate: %s", src_strerror(error));
+ }
+ if (obj->write.open) {
+ obj->write.data.src_ratio = (double)obj->rate / (double)obj->write.rate;
+ obj->write.data.output_frames = (long)((double)obj->write.frames*obj->write.data.src_ratio);
+ g_free(obj->write.data.data_out);
+ obj->write.data.data_out = malloc(obj->write.data.output_frames*sizeof(float));
+ if (obj->write.src_state)
+ if ((error = src_set_ratio(obj->write.src_state, obj->write.data.src_ratio)) != 0)
+ g_warning("Error while resetting the write samplerate: %s", src_strerror(error));
+ }
+ return 0;
+}
+
+/*
+ * The process callback for this JACK application.
+ * It is called by JACK at the appropriate times.
+ * @nframes :
+ * @arg :
+ */
+int
+process (jack_nframes_t nframes, void *arg)
+{
+ JackCard* obj = (JackCard*) arg;
+ sample_t *out;
+ sample_t *in;
+
+ if (obj->clear && !obj->write.can_process) {
+ out = (sample_t *) jack_port_get_buffer (obj->write.port, nframes);
+ memset (out, 0, nframes * sizeof(sample_t));
+ obj->clear = FALSE;
+ }
+
+ if (!obj->can_process)
+ return 0;
+
+ if(obj->read.can_process) {
+ in = (sample_t *) jack_port_get_buffer (obj->read.port, nframes);
+ jack_ringbuffer_write (obj->read.buffer, (void *) in, sizeof(sample_t) * nframes);
+ }
+
+ if (obj->write.can_process) {
+ out = (sample_t *) jack_port_get_buffer (obj->write.port, nframes);
+ memset (out, 0, nframes * sizeof(sample_t));
+ if (obj->clear && jack_ringbuffer_read_space(obj->write.buffer) == 0) {
+ obj->write.can_process = FALSE;
+ if (!obj->read.open)
+ obj->can_process = FALSE;
+ obj->clear = FALSE;
+ return 0;
+ }
+ jack_ringbuffer_read (obj->write.buffer, (void *) out, sizeof(sample_t) * nframes);
+ }
+ return 0;
+}
+
+int jack_init(JackCard* obj)
+{
+ char* client_name;
+ int error;
+
+ if (!obj->jack_running) {
+ obj->client = NULL;
+ client_name = g_strdup_printf("linphone-%u", g_random_int());
+ if ((obj->client = jack_client_new (client_name)) == NULL) {
+ g_warning("cannot create jack client");
+ g_free(client_name);
+ return -1;
+ }
+ g_message("Found Jack Daemon");
+ g_free(client_name);
+
+ /* tell the JACK server to call `process()' whenever
+ there is work to be done.
+ */
+ jack_set_process_callback (obj->client, process, obj);
+
+ /* tell the JACK server to call `jack_shutdown()' if
+ it ever shuts down, either entirely, or if it
+ just decides to stop calling us.
+ */
+ jack_on_shutdown (obj->client, jack_shutdown, obj);
+ jack_set_sample_rate_callback (obj->client, samplerate, obj);
+ obj->rate = jack_get_sample_rate (obj->client);
+ if (obj->rate == 0) {
+ g_warning ("rate is 0???");
+ if (jack_client_close(obj->client) != 0)
+ g_warning("could not close client");
+ return -1;
+ }
+ obj->buffer_size = jack_get_buffer_size(obj->client);
+ obj->jack_running = TRUE;
+ }
+
+ if (!obj->jack_active) {
+ if (jack_activate (obj->client)) {
+ g_warning("cannot activate jack client");
+ return -1;
+ } else obj->jack_active = TRUE;
+ }
+
+ if (obj->read.init) {
+ if (!obj->read.port && (obj->read.port = jack_port_register (obj->client, "input", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0))==NULL) {
+ g_warning("error while trying to register input port");
+ return -1;
+ }
+ if (!obj->read.phys_ports && (obj->read.phys_ports = jack_get_ports (obj->client, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == NULL) {
+ g_warning("Cannot find any physical capture ports\n");
+ jack_port_unregister(obj->client, obj->read.port);
+ obj->read.port = NULL;
+ return -1;
+ }
+ if (!jack_port_connected(obj->read.port))
+ if ((error = jack_connect (obj->client, obj->read.phys_ports[0], jack_port_name (obj->read.port))) != 0) {
+ g_warning("cannot connect input ports: %s -> %s\n", jack_port_name (obj->read.port), obj->read.phys_ports[0]);
+ if (error == EEXIST) g_warning("connection already made");
+ else {
+ jack_port_unregister(obj->client, obj->read.port);
+ obj->read.port = NULL;
+ return -1;
+ }
+ }
+ obj->read.init = FALSE;
+ }
+
+ if (obj->write.init) {
+ if (!obj->write.port && (obj->write.port = jack_port_register (obj->client, "output", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0))==NULL) {
+ g_warning("error while trying to register output port");
+ return -1;
+ }
+ if (!obj->write.phys_ports && (obj->write.phys_ports = jack_get_ports (obj->client, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == NULL) {
+ g_warning("Cannot find any physical playback ports\n");
+ jack_port_unregister(obj->client, obj->write.port);
+ obj->write.port = NULL;
+ return -1;
+ }
+ if (!jack_port_connected(obj->write.port)) {
+ if ((error = jack_connect (obj->client, jack_port_name (obj->write.port), obj->write.phys_ports[0])) != 0) {
+ g_warning("cannot connect output ports: %s -> %s\n", jack_port_name (obj->write.port), obj->write.phys_ports[0]);
+ if (error == EEXIST) g_warning("connection already made");
+ else {
+ jack_port_unregister(obj->client, obj->write.port);
+ obj->write.port = NULL;
+ return -1;
+ }
+ }
+ if ((error = jack_connect (obj->client, jack_port_name (obj->write.port), obj->write.phys_ports[1])) != 0) {
+ g_warning("cannot connect output ports: %s -> %s\n", jack_port_name (obj->write.port), obj->write.phys_ports[1]);
+ if (error == EEXIST) g_warning("connection already made");
+ else {
+ jack_port_unregister(obj->client, obj->write.port);
+ obj->write.port = NULL;
+ return -1;
+ }
+ }
+ }
+ obj->write.init = FALSE;
+ }
+ return 0;
+}
+
+int jack_card_open_r(JackCard *obj,int bits,int stereo,int rate)
+{
+ int channels = stereo + 1, bsize, error;
+ obj->read.init = TRUE;
+ if (jack_init(obj) != 0) return -1;
+
+ obj->read.rate = rate;
+ obj->sample_size = bits / 8;
+ obj->frame_size = channels * obj->sample_size;
+ bsize = BSIZE;
+ obj->read.frames = bsize / 2;
+ SND_CARD(obj)->bsize = bsize;
+ SND_CARD(obj)->flags |= SND_CARD_FLAGS_OPENED;
+ obj->read.channels = channels;
+ if ((obj->read.src_state = src_new (SRC_SINC_FASTEST, channels, &error)) == NULL)
+ g_warning("Error while initializing the samplerate converter: %s", src_strerror(error));
+ obj->read.data.src_ratio = (double)rate / (double)obj->rate;
+ obj->read.data.input_frames = (long)((double)obj->read.frames/obj->read.data.src_ratio);
+ obj->read.data.data_in = malloc(obj->read.data.input_frames*sizeof(float));
+ obj->read.data.data_out = malloc(obj->read.frames*sizeof(float));
+ obj->read.data.end_of_input = 0;
+ if (!obj->read.buffer)
+ obj->read.buffer = jack_ringbuffer_create(READBUFFERSIZE);
+ obj->read.can_process = TRUE;
+ obj->can_process = TRUE;
+ obj->read.open = TRUE;
+ obj->read.init = FALSE;
+ return 0;
+}
+
+int jack_card_open_w(JackCard *obj,int bits,int stereo,int rate)
+{
+ int channels = stereo + 1, bsize, err;
+ obj->write.init = TRUE;
+ if (jack_init(obj) != 0) return -1;
+
+ obj->write.rate = rate;
+ obj->sample_size = bits / 8;
+ obj->frame_size = channels * obj->sample_size;
+ bsize = BSIZE;
+ obj->write.frames = bsize / 2;
+ SND_CARD(obj)->bsize = bsize;
+ SND_CARD(obj)->flags |= SND_CARD_FLAGS_OPENED;
+ obj->write.channels = channels;
+ if ((obj->write.src_state = src_new (SRC_SINC_FASTEST, channels, &err)) == NULL)
+ g_warning("Error while initializing the samplerate converter: %s", src_strerror(err));
+ obj->write.data.src_ratio = (double)obj->rate / (double)rate;
+ obj->write.data.data_in = malloc(obj->write.frames*sizeof(float));
+ obj->write.data.end_of_input = 0;
+ obj->write.data.output_frames = (long)((double)obj->write.frames*obj->write.data.src_ratio);
+ obj->write.data.data_out = malloc(obj->write.data.output_frames*sizeof(float));
+ if (!obj->write.buffer)
+ obj->write.buffer = jack_ringbuffer_create(WRITEBUFFERSIZE);
+ obj->write.can_process = TRUE;
+ obj->can_process = TRUE;
+ obj->write.open = TRUE;
+ obj->write.init = FALSE;
+ return 0;
+}
+
+void jack_card_set_blocking_mode(JackCard *obj, gboolean yesno)
+{
+}
+
+void jack_card_close_r(JackCard *obj)
+{
+ obj->read.open = FALSE;
+ obj->read.init = FALSE;
+ obj->read.can_process = FALSE;
+ if (!obj->write.open)
+ obj->can_process = FALSE;
+ if (obj->read.src_state)
+ obj->read.src_state = src_delete (obj->read.src_state);
+ g_free(obj->read.data.data_in);
+ g_free(obj->read.data.data_out);
+}
+
+void jack_card_close_w(JackCard *obj)
+{
+ obj->write.open = FALSE;
+ obj->write.init = FALSE;
+ obj->clear = TRUE;
+ if (!obj->jack_running) {
+ obj->write.can_process = FALSE;
+ obj->can_process = FALSE;
+ }
+ if (obj->write.src_state)
+ obj->write.src_state = src_delete (obj->write.src_state);
+ g_free(obj->write.data.data_in);
+ g_free(obj->write.data.data_out);
+}
+
+int jack_card_probe(JackCard *obj,int bits,int stereo,int rate)
+{
+ if (obj->jack_running) return BSIZE;
+ else if (jack_init(obj) == 0) return BSIZE;
+ else return -1;
+}
+
+void jack_card_destroy(JackCard *obj)
+{
+ if (obj->jack_running) jack_client_close (obj->client);
+ snd_card_uninit(SND_CARD(obj));
+ if (obj->read.buffer) {
+ jack_ringbuffer_free(obj->read.buffer);
+ obj->read.buffer = NULL;
+ }
+ if (obj->write.buffer) {
+ jack_ringbuffer_free(obj->write.buffer);
+ obj->write.buffer = NULL;
+ }
+ if (obj->read.phys_ports) {
+ g_free(obj->read.phys_ports);
+ obj->read.phys_ports = NULL;
+ }
+ if (obj->write.phys_ports) {
+ g_free(obj->write.phys_ports);
+ obj->write.phys_ports = NULL;
+ }
+}
+
+gboolean jack_card_can_read(JackCard *obj)
+{
+ g_return_val_if_fail(obj->read.buffer!=NULL,0);
+ if (jack_ringbuffer_read_space(obj->read.buffer)>=(long)((double)obj->read.frames/obj->read.data.src_ratio)*sizeof(sample_t)) return TRUE;
+ else return FALSE;
+}
+
+int jack_card_read(JackCard *obj,char *buf,int size)
+{
+ size_t bytes, can_read, i;
+ int error;
+ float norm, value;
+
+ g_return_val_if_fail((obj->read.buffer!=NULL)&&(obj->read.src_state!=NULL),-1);
+ if (jack_init(obj) != 0) return -1;
+ size /= 2;
+ can_read = MIN(size, obj->read.frames);
+ // can_read = MIN(((long)((double)can_read / obj->read.data.src_ratio))*sizeof(sample_t), jack_ringbuffer_read_space(obj->read.buffer));
+ can_read = ((long)((double)can_read / obj->read.data.src_ratio))*sizeof(sample_t);
+ obj->read.can_process = FALSE;
+ bytes = jack_ringbuffer_read (obj->read.buffer, (void *)obj->read.data.data_in, can_read);
+ obj->read.can_process = TRUE;
+ obj->read.data.input_frames = bytes / sizeof(sample_t);
+ can_read = MIN(size, obj->read.frames);
+ obj->read.data.output_frames = can_read;
+ if ((error = src_process(obj->read.src_state, &(obj->read.data))) != 0)
+ g_warning("error while samplerate conversion. error: %s", src_strerror(error));
+ norm = obj->read.level*obj->level*(float)0x8000;
+ for (i=0; i < obj->read.data.output_frames_gen; i++) {
+ value = obj->read.data.data_out[i]*norm;
+ if (value >= 32767.0)
+ ((short*)buf)[i] = 32767;
+ else if (value <= -32768.0)
+ ((short*)buf)[i] = -32768;
+ else
+ ((short*)buf)[i] = (short)value;
+ }
+ bytes = obj->read.data.output_frames_gen * 2;
+ return bytes;
+}
+
+int jack_card_write(JackCard *obj,char *buf,int size)
+{
+ size_t bytes, can_write, i;
+ int error;
+ float norm;
+
+ g_return_val_if_fail((obj->write.buffer!=NULL)&&(obj->write.src_state!=NULL),-1);
+ if (jack_init(obj) != 0) return -1;
+ size /= 2;
+ can_write = MIN(size, obj->write.frames);
+ norm = obj->write.level*obj->level/(float)0x8000;
+ for (i=0; i<can_write; i++) {
+ obj->write.data.data_in[i] = (float)((short*)buf)[i]*norm;
+ }
+ obj->write.data.input_frames = can_write;
+ if ((error = src_process(obj->write.src_state, &(obj->write.data))) != 0)
+ g_warning("error while samplerate conversion. error: %s", src_strerror(error));
+ obj->write.can_process = FALSE;
+ bytes = jack_ringbuffer_write (obj->write.buffer, (void *) obj->write.data.data_out, sizeof(sample_t)*obj->write.data.output_frames_gen);
+ obj->write.can_process = TRUE;
+ return bytes;
+}
+
+void jack_card_set_level(JackCard *obj,gint way,gint a)
+{
+ switch(way){
+ case SND_CARD_LEVEL_GENERAL:
+ obj->level = (float)a / 100.0;
+ break;
+ case SND_CARD_LEVEL_INPUT:
+ obj->read.level = (float)a / 100.0;
+ break;
+ case SND_CARD_LEVEL_OUTPUT:
+ obj->write.level = (float)a / 100.0;
+ break;
+ default:
+ g_warning("jack_card_set_level: unsupported command.");
+ }
+}
+
+gint jack_card_get_level(JackCard *obj,gint way)
+{
+ gint value = 0;
+
+ switch(way){
+ case SND_CARD_LEVEL_GENERAL:
+ value = (gint)(obj->level*100.0);
+ break;
+ case SND_CARD_LEVEL_INPUT:
+ value = (gint)(obj->read.level*100.0);
+ break;
+ case SND_CARD_LEVEL_OUTPUT:
+ value = (gint)(obj->write.level*100.0);
+ break;
+ default:
+ g_warning("jack_card_get_level: unsupported command.");
+ }
+ return value;
+}
+
+void jack_card_set_source(JackCard *obj,int source)
+{
+}
+
+MSFilter *jack_card_create_read_filter(JackCard *card)
+{
+ MSFilter *f=ms_oss_read_new();
+ ms_oss_read_set_device(MS_OSS_READ(f),SND_CARD(card)->index);
+ return f;
+}
+
+MSFilter *jack_card_create_write_filter(JackCard *card)
+{
+ MSFilter *f=ms_oss_write_new();
+ ms_oss_write_set_device(MS_OSS_WRITE(f),SND_CARD(card)->index);
+ return f;
+}
+SndCard * jack_card_new(jack_client_t *client)
+{
+ JackCard * obj;
+ SndCard *base;
+
+ obj= g_new0(JackCard,1);
+
+ if (!client) return NULL;
+ obj->client = client;
+ obj->jack_running = TRUE;
+ obj->jack_active = FALSE;
+ obj->can_process = FALSE;
+ obj->clear = TRUE;
+ obj->write.can_process = FALSE;
+ obj->write.open = FALSE;
+ obj->write.init = TRUE;
+ obj->write.port = NULL;
+ obj->write.phys_ports = NULL;
+ obj->write.buffer = NULL;
+ obj->read.can_process = FALSE;
+ obj->read.open = FALSE;
+ obj->read.init = TRUE;
+ obj->read.port = NULL;
+ obj->read.phys_ports = NULL;
+ obj->read.buffer = NULL;
+
+ /* tell the JACK server to call `process()' whenever
+ there is work to be done.
+ */
+ jack_set_process_callback (client, process, obj);
+
+ /* tell the JACK server to call `jack_shutdown()' if
+ it ever shuts down, either entirely, or if it
+ just decides to stop calling us.
+ */
+ jack_on_shutdown (client, jack_shutdown, obj);
+
+ jack_set_sample_rate_callback (client, samplerate, obj);
+
+ obj->rate = jack_get_sample_rate (client);
+ obj->buffer_size = jack_get_buffer_size(obj->client);
+
+ jack_init(obj);
+
+ base= SND_CARD(obj);
+ snd_card_init(base);
+
+#ifdef HAVE_GLIB
+ base->card_name=g_strdup_printf("JACK client");
+#else
+ base->card_name=malloc(100);
+ snprintf(base->card_name, 100, "JACK client");
+#endif
+
+ base->_probe=(SndCardOpenFunc)jack_card_probe;
+ base->_open_r=(SndCardOpenFunc)jack_card_open_r;
+ base->_open_w=(SndCardOpenFunc)jack_card_open_w;
+ base->_can_read=(SndCardPollFunc)jack_card_can_read;
+ base->_set_blocking_mode=(SndCardSetBlockingModeFunc)jack_card_set_blocking_mode;
+ base->_read=(SndCardIOFunc)jack_card_read;
+ base->_write=(SndCardIOFunc)jack_card_write;
+ base->_close_r=(SndCardCloseFunc)jack_card_close_r;
+ base->_close_w=(SndCardCloseFunc)jack_card_close_w;
+ base->_set_rec_source=(SndCardMixerSetRecSourceFunc)jack_card_set_source;
+ base->_set_level=(SndCardMixerSetLevelFunc)jack_card_set_level;
+ base->_get_level=(SndCardMixerGetLevelFunc)jack_card_get_level;
+ base->_destroy=(SndCardDestroyFunc)jack_card_destroy;
+ base->_create_read_filter=(SndCardCreateFilterFunc)jack_card_create_read_filter;
+ base->_create_write_filter=(SndCardCreateFilterFunc)jack_card_create_write_filter;
+
+ obj->read.buffer=NULL;
+ obj->write.buffer=NULL;
+ obj->buffer_size = 0;
+ obj->level = 1.0;
+ obj->write.level = 1.0;
+ obj->read.level = 1.0;
+
+ return base;
+}
+
+
+gint jack_card_manager_init(SndCardManager *m, gint index)
+{
+ jack_client_t *client = NULL;
+ char* client_name;
+
+ client_name=g_strdup_printf("linphone-%u", g_random_int());
+ if ((client = jack_client_new (client_name))!= NULL)
+ {
+ g_message("Found Jack Daemon");
+ g_free(client_name);
+ m->cards[index]=jack_card_new(client);
+ m->cards[index]->index=index;
+ return 1;
+ } else {
+ g_free(client_name);
+ return 0;
+ }
+}
+
+#endif