diff options
Diffstat (limited to 'src/audioOutput')
| -rw-r--r-- | src/audioOutput/audioOutput_ao.c | 243 | ||||
| -rw-r--r-- | src/audioOutput/audioOutput_oss.c | 199 | ||||
| -rw-r--r-- | src/audioOutput/audioOutput_shout.c | 581 |
3 files changed, 0 insertions, 1023 deletions
diff --git a/src/audioOutput/audioOutput_ao.c b/src/audioOutput/audioOutput_ao.c deleted file mode 100644 index 366c42c1d..000000000 --- a/src/audioOutput/audioOutput_ao.c +++ /dev/null @@ -1,243 +0,0 @@ -/* the Music Player Daemon (MPD) - * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) - * This project's homepage is: http://www.musicpd.org - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../audioOutput.h" -#include "../conf.h" -#include "../log.h" -#include "../sig_handlers.h" - -#include <string.h> -#include <assert.h> -#include <signal.h> - -#include <ao/ao.h> - -static int driverInitCount = 0; - -typedef struct _AoData { - int writeSize; - int driverId; - ao_option * options; - ao_device * device; -} AoData; - -static AoData * newAoData() { - AoData * ret = malloc(sizeof(AoData)); - ret->device = NULL; - ret->options = NULL; - - return ret; -} - -static void audioOutputAo_error() { - if(errno==AO_ENOTLIVE) { - ERROR("not a live ao device\n"); - } - else if(errno==AO_EOPENDEVICE) { - ERROR("not able to open audio device\n"); - } - else if(errno==AO_EBADOPTION) { - ERROR("bad driver option\n"); - } -} - -static int audioOutputAo_initDriver(AudioOutput * audioOutput, - ConfigParam * param) -{ - ao_info * ai; - char * dup; - char * stk1; - char * stk2; - char * n1; - char * key; - char * value; - char * test; - AoData * ad = newAoData(); - BlockParam * blockParam; - - audioOutput->data = ad; - - if((blockParam = getBlockParam(param, "write_size"))) { - ad->writeSize = strtol(blockParam->value, &test, 10); - if (*test!='\0') { - ERROR("\"%s\" is not a valid write size at line %i\n", - blockParam->value, blockParam->line); - exit(EXIT_FAILURE); - } - } - else ad->writeSize = 1024; - - if(driverInitCount == 0) { - ao_initialize(); - } - driverInitCount++; - - blockParam = getBlockParam(param, "driver"); - - if(!blockParam || 0 == strcmp(blockParam->value,"default")) { - ad->driverId = ao_default_driver_id(); - } - else if((ad->driverId = - ao_driver_id(blockParam->value))<0) { - ERROR("\"%s\" is not a valid ao driver at line %i\n", - blockParam->value, blockParam->line); - exit(EXIT_FAILURE); - } - - if((ai = ao_driver_info(ad->driverId))==NULL) { - ERROR("problems getting driver info for device defined at " - "line %i\n", param->line); - ERROR("you may not have permission to the audio device\n"); - exit(EXIT_FAILURE); - } - - blockParam = getBlockParam(param, "options"); - - if(blockParam) { - dup = strdup(blockParam->value); - } - else dup = strdup(""); - - if(strlen(dup)) { - stk1 = NULL; - n1 = strtok_r(dup,";",&stk1); - while(n1) { - stk2 = NULL; - key = strtok_r(n1,"=",&stk2); - if(!key) { - ERROR("problems parsing " - "ao_driver_options \"%s\"\n", n1); - exit(EXIT_FAILURE); - } - /*found = 0; - for(i=0;i<ai->option_count;i++) { - if(strcmp(ai->options[i],key)==0) { - found = 1; - break; - } - } - if(!found) { - ERROR("\"%s\" is not an option for " - "\"%s\" ao driver\n",key, - ai->short_name); - exit(EXIT_FAILURE); - }*/ - value = strtok_r(NULL,"",&stk2); - if(!value) { - ERROR("problems parsing " - "ao_driver_options \"%s\"\n", n1); - exit(EXIT_FAILURE); - } - ao_append_option(&ad->options,key,value); - n1 = strtok_r(NULL,";",&stk1); - } - } - free(dup); - - return 0; -} - -static void freeAoData(AoData * ad) { - ao_free_options(ad->options); - free(ad); -} - -static void audioOutputAo_finishDriver(AudioOutput * audioOutput) { - AoData * ad = (AoData *)audioOutput->data; - freeAoData(ad); - - driverInitCount--; - - if(driverInitCount == 0) ao_shutdown(); -} - -static void audioOutputAo_closeDevice(AudioOutput * audioOutput) { - AoData * ad = (AoData *) audioOutput->data; - - if(ad->device) { - blockSignals(); - ao_close(ad->device); - ad->device = NULL; - unblockSignals(); - } - - audioOutput->open = 0; -} - -static int audioOutputAo_openDevice(AudioOutput * audioOutput, - AudioFormat * audioFormat) -{ - ao_sample_format format; - AoData * ad = (AoData *)audioOutput->data; - - if(ad->device) { - audioOutputAo_closeDevice(audioOutput); - } - - format.bits = audioFormat->bits; - format.rate = audioFormat->sampleRate; - format.byte_format = AO_FMT_NATIVE; - format.channels = audioFormat->channels; - - blockSignals(); - ad->device = ao_open_live(ad->driverId, &format, ad->options); - unblockSignals(); - - if(ad->device==NULL) return -1; - - audioOutput->open = 1; - - return 0; -} - - -static int audioOutputAo_play(AudioOutput * audioOutput, char * playChunk, - int size) -{ - int send; - AoData * ad = (AoData *)audioOutput->data; - - if(ad->device==NULL) return -1; - - while(size>0) { - send = ad->writeSize > size ? size : ad->writeSize; - - if(ao_play(ad->device, playChunk, send)==0) { - audioOutputAo_error(); - ERROR("closing audio device due to write error\n"); - audioOutputAo_closeDevice(audioOutput); - return -1; - } - - playChunk+=send; - size-=send; - } - - return 0; -} - -AudioOutputPlugin aoPlugin = -{ - "ao", - audioOutputAo_initDriver, - audioOutputAo_finishDriver, - audioOutputAo_openDevice, - audioOutputAo_play, - audioOutputAo_closeDevice, - NULL /* sendMetadataFunc */ -}; diff --git a/src/audioOutput/audioOutput_oss.c b/src/audioOutput/audioOutput_oss.c deleted file mode 100644 index c8e86b7a4..000000000 --- a/src/audioOutput/audioOutput_oss.c +++ /dev/null @@ -1,199 +0,0 @@ -/* the Music Player Daemon (MPD) - * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) - * This project's homepage is: http://www.musicpd.org - * - * OSS audio output (c) 2004 by Eric Wong <eric@petta-tech.com> - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../audioOutput.h" - -#include <stdlib.h> - -#ifdef HAVE_OSS - -#include "../conf.h" -#include "../log.h" -#include "../sig_handlers.h" - -#include <string.h> -#include <assert.h> -#include <signal.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> - -#if defined(__OpenBSD__) || defined(__NetBSD__) -# include <soundcard.h> -#else /* !(defined(__OpenBSD__) || defined(__NetBSD__) */ -# include <sys/soundcard.h> -#endif /* !(defined(__OpenBSD__) || defined(__NetBSD__) */ - -typedef struct _OssData { - int fd; - char * device; -} OssData; - -static OssData * newOssData() { - OssData * ret = malloc(sizeof(OssData)); - - ret->device = NULL; - ret->fd = -1; - - return ret; -} - -static void freeOssData(OssData * od) { - if(od->device) free(od->device); - - free(od); -} - -static int oss_initDriver(AudioOutput * audioOutput, ConfigParam * param) { - BlockParam * bp = getBlockParam(param, "device"); - OssData * od = newOssData(); - - audioOutput->data = od; - - if(!bp) { - int fd; - - if(0 <= (fd = open("/dev/sound/dsp", O_WRONLY))) { - od->device = strdup("/dev/sound/dsp"); - close(fd); - } - else if(0 <= (fd = open("/dev/dsp", O_WRONLY))) { - od->device = strdup("/dev/dsp"); - close(fd); - } - else { - ERROR("Error trying to open default OSS device " - "specified at line %i\n", param->line); - ERROR("Specify a OSS device and/or check your " - "permissions\n"); - exit(EXIT_FAILURE); - } - - od->fd = -1; - - return 0; - } - - od->device = strdup(bp->value); - - return 0; -} - -static void oss_finishDriver(AudioOutput * audioOutput) { - OssData * od = audioOutput->data; - - freeOssData(od); -} - -static int oss_openDevice(AudioOutput * audioOutput, AudioFormat * audioFormat) -{ - OssData * od = audioOutput->data; -#ifdef WORDS_BIGENDIAN - int i = AFMT_S16_BE; -#else - int i = AFMT_S16_LE; -#endif - - if((od->fd = open(od->device, O_WRONLY)) < 0) - goto fail; - if(ioctl(od->fd, SNDCTL_DSP_SETFMT, &i)) - goto fail; - if(ioctl(od->fd, SNDCTL_DSP_CHANNELS, &audioFormat->channels)) - goto fail; - if(ioctl(od->fd, SNDCTL_DSP_SPEED, &audioFormat->sampleRate)) - goto fail; - if(ioctl(od->fd, SNDCTL_DSP_SAMPLESIZE, &audioFormat->bits)) - goto fail; - /*i = 1; if (ioctl(od->fd,SNDCTL_DSP_STEREO,&i)) err != 32; */ - - audioOutput->open = 1; - - return 0; - -fail: - if(od->fd >= 0) close(od->fd); - audioOutput->open = 0; - ERROR("Error opening OSS device \"%s\": %s\n", od->device, - strerror(errno)); - return -1; -} - -static void oss_closeDevice(AudioOutput * audioOutput) { - OssData * od = audioOutput->data; - - if(od->fd >= 0) { - close(od->fd); - od->fd = -1; - } - - audioOutput->open = 0; -} - -static int oss_playAudio(AudioOutput * audioOutput, char * playChunk, - int size) -{ - OssData * od = audioOutput->data; - int ret; - - while (size > 0) { - ret = write(od->fd, playChunk, size); - if(ret<0) { - ERROR("closing audio device due to write error\n"); - oss_closeDevice(audioOutput); - return -1; - } - playChunk += ret; - size -= ret; - } - - return 0; -} - -AudioOutputPlugin ossPlugin = -{ - "oss", - oss_initDriver, - oss_finishDriver, - oss_openDevice, - oss_playAudio, - oss_closeDevice, - NULL /* sendMetadataFunc */ -}; - -#else /* HAVE OSS */ - -AudioOutputPlugin ossPlugin = -{ - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL /* sendMetadataFunc */ -}; - -#endif /* HAVE_OSS */ - - diff --git a/src/audioOutput/audioOutput_shout.c b/src/audioOutput/audioOutput_shout.c deleted file mode 100644 index 8b8e789fb..000000000 --- a/src/audioOutput/audioOutput_shout.c +++ /dev/null @@ -1,581 +0,0 @@ -/* the Music Player Daemon (MPD) - * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) - * This project's homepage is: http://www.musicpd.org - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../audioOutput.h" - -#include <stdlib.h> - -#ifdef HAVE_SHOUT - -#include "../conf.h" -#include "../log.h" -#include "../sig_handlers.h" -#include "../pcm_utils.h" - -#include <string.h> -#include <assert.h> -#include <signal.h> - -#include <shout/shout.h> -#include <vorbis/vorbisenc.h> -#include <vorbis/codec.h> - -static int shoutInitCount = 0; - -/* lots of this code blatantly stolent from bossogg/bossao2 */ - -typedef struct _ShoutData { - shout_t * shoutConn; - - ogg_stream_state os; - ogg_page og; - ogg_packet op; - ogg_packet header_main; - ogg_packet header_comments; - ogg_packet header_codebooks; - - vorbis_dsp_state vd; - vorbis_block vb; - vorbis_info vi; - vorbis_comment vc; - - float quality; - int bitrate; - AudioFormat outAudioFormat; - AudioFormat inAudioFormat; - - char * convBuffer; - size_t convBufferLen; - /* shoud we convert the audio to a different format? */ - int audioFormatConvert; - - int opened; - - MpdTag * tag; - int tagToSend; -} ShoutData; - -static ShoutData * newShoutData() { - ShoutData * ret = malloc(sizeof(ShoutData)); - - ret->shoutConn = shout_new(); - ret->convBuffer = NULL; - ret->convBufferLen = 0; - ret->opened = 0; - ret->tag = NULL; - ret->tagToSend = 0; - ret->bitrate = -1; - ret->quality = -1.0; - - return ret; -} - -static void freeShoutData(ShoutData * sd) { - if(sd->shoutConn) shout_free(sd->shoutConn); - if(sd->tag) freeMpdTag(sd->tag); - if(sd->convBuffer) free(sd->convBuffer); - - free(sd); -} - -#define checkBlockParam(name) { \ - blockParam = getBlockParam(param, name); \ - if(!blockParam) { \ - ERROR("no \"%s\" defined for shout device defined at line " \ - "%i\n", name, param->line); \ - exit(EXIT_FAILURE); \ - } \ -} - -static int myShout_initDriver(AudioOutput * audioOutput, ConfigParam * param) { - ShoutData * sd; - char * test; - int port; - char * host; - char * mount; - char * passwd; - char * user; - char * name; - BlockParam * blockParam; - - sd = newShoutData(); - - if(shoutInitCount == 0) shout_init(); - - shoutInitCount++; - - checkBlockParam("host"); - host = blockParam->value; - - checkBlockParam("mount"); - mount = blockParam->value; - - checkBlockParam("port"); - - port = strtol(blockParam->value, &test, 10); - - if(*test != '\0' || port <= 0) { - ERROR("shout port \"%s\" is not a positive integer, line %i\n", - blockParam->value, blockParam->line); - exit(EXIT_FAILURE); - } - - checkBlockParam("password"); - passwd = blockParam->value; - - checkBlockParam("name"); - name = blockParam->value; - - checkBlockParam("user"); - user = blockParam->value; - - blockParam = getBlockParam(param, "quality"); - - if(blockParam) { - int line = blockParam->line; - - sd->quality = strtod(blockParam->value, &test); - - if(*test != '\0' || sd->quality < 0.0 || sd->quality > 10.0) { - ERROR("shout quality \"%s\" is not a number in the " - "rage 0-10, line %i\n", blockParam->value, - blockParam->line); - exit(EXIT_FAILURE); - } - - blockParam = getBlockParam(param, "bitrate"); - - if(blockParam) { - ERROR("quality (line %i) and bitrate (line %i) are " - "both defined for shout output\n", line, - blockParam->line); - exit(EXIT_FAILURE); - } - } - else { - blockParam = getBlockParam(param, "bitrate"); - - if(!blockParam) { - ERROR("neither bitrate nor quality defined for shout " - "output at line %i\n", param->line); - exit(EXIT_FAILURE); - } - - sd->bitrate = strtol(blockParam->value, &test, 10); - - if(*test != '\0' || sd->bitrate <= 0) { - ERROR("bitrate at line %i should be a positve integer " - "\n", blockParam->line); - exit(EXIT_FAILURE); - } - } - - checkBlockParam("format"); - - if(0 != parseAudioConfig(&(sd->outAudioFormat), blockParam->value)) { - ERROR("error parsing format at line %i\n", blockParam->line); - exit(EXIT_FAILURE); - } - - if(shout_set_host(sd->shoutConn, host) != SHOUTERR_SUCCESS || - shout_set_port(sd->shoutConn, port) != SHOUTERR_SUCCESS || - shout_set_password(sd->shoutConn, passwd) != SHOUTERR_SUCCESS || - shout_set_mount(sd->shoutConn, mount) != SHOUTERR_SUCCESS || - shout_set_name(sd->shoutConn, name) != SHOUTERR_SUCCESS || - shout_set_user(sd->shoutConn, user) != SHOUTERR_SUCCESS || - shout_set_format(sd->shoutConn, SHOUT_FORMAT_VORBIS) - != SHOUTERR_SUCCESS || - shout_set_protocol(sd->shoutConn, SHOUT_PROTOCOL_HTTP) - != SHOUTERR_SUCCESS || - shout_set_agent(sd->shoutConn, "MPD") != SHOUTERR_SUCCESS) - { - ERROR("error configuring shout: %s\n", - shout_get_error(sd->shoutConn)); - exit(EXIT_FAILURE); - } - - { - char temp[11]; - memset(temp, 0, sizeof(temp)); - - snprintf(temp, sizeof(temp), "%d", sd->outAudioFormat.channels); - shout_set_audio_info(sd->shoutConn, SHOUT_AI_CHANNELS, temp); - - snprintf(temp, sizeof(temp), "%d", - sd->outAudioFormat.sampleRate); - shout_set_audio_info(sd->shoutConn, SHOUT_AI_SAMPLERATE, temp); - - if(sd->quality >= 0) { - snprintf(temp, sizeof(temp), "%2.2f", sd->quality); - shout_set_audio_info(sd->shoutConn, SHOUT_AI_QUALITY, - temp); - } - else { - snprintf(temp, sizeof(temp), "%d", sd->bitrate); - shout_set_audio_info(sd->shoutConn, SHOUT_AI_BITRATE, - temp); - } - } - - audioOutput->data = sd; - - return 0; -} - -/*static void finishEncoder(ShoutData * sd) { - vorbis_analysis_wrote(&sd->vd, 0); - - while(vorbis_analysis_blockout(&sd->vd, &sd->vb) == 1) { - vorbis_analysis(&sd->vb, NULL); - vorbis_bitrate_addblock(&sd->vb); - while(vorbis_bitrate_flushpacket(&sd->vd, &sd->op)) { - ogg_stream_packetin(&sd->os, &sd->op); - } - } -} - -static void flushEncoder(ShoutData * sd) { - while(1 == ogg_stream_pageout(&sd->os, &sd->og)); -}*/ - -static void clearEncoder(ShoutData * sd) { - /*finishEncoder(sd); - flushEncoder(sd);*/ - - vorbis_comment_clear(&sd->vc); - ogg_stream_clear(&sd->os); - vorbis_block_clear(&sd->vb); - vorbis_dsp_clear(&sd->vd); - vorbis_info_clear(&sd->vi); -} - -static void myShout_closeShoutConn(ShoutData * sd) { - if(sd->opened) { - clearEncoder(sd); - - if(shout_close(sd->shoutConn) != SHOUTERR_SUCCESS) { - ERROR("problem closing connection to shout server: " - "%s\n", shout_get_error(sd->shoutConn)); - } - } - - sd->opened = 0; -} - -static void myShout_finishDriver(AudioOutput * audioOutput) { - ShoutData * sd = (ShoutData *)audioOutput->data; - - myShout_closeShoutConn(sd); - - freeShoutData(sd); - - shoutInitCount--; - - if(shoutInitCount == 0) shout_shutdown(); -} - -static void myShout_closeDevice(AudioOutput * audioOutput) { - audioOutput->open = 0; -} - -static int myShout_handleError(ShoutData * sd, int err) { - switch(err) { - case SHOUTERR_SUCCESS: - break; - case SHOUTERR_UNCONNECTED: - case SHOUTERR_SOCKET: - ERROR("Lost shout connection\n"); - return -1; - default: - ERROR("shout: error: %s\n", shout_get_error(sd->shoutConn)); - return -1; - } - - return 0; -} - -static int write_page(ShoutData * sd) { - int err = 0; - - shout_sync(sd->shoutConn); - err = shout_send(sd->shoutConn, sd->og.header, sd->og.header_len); - if(myShout_handleError(sd, err) < 0) return -1; - err = shout_send(sd->shoutConn, sd->og.body, sd->og.body_len); - if(myShout_handleError(sd, err) < 0) return -1; - - return 0; -} - -#define addTag(name, value) { \ - if(value) vorbis_comment_add_tag(&(sd->vc), name, value); \ -} - -static void copyTagToVorbisComment(ShoutData * sd) { - if(sd->tag) { - addTag("ARTIST", sd->tag->artist); - addTag("ALBUM", sd->tag->album); - addTag("TITLE", sd->tag->title); - } -} - -static int initEncoder(ShoutData * sd) { - vorbis_info_init(&(sd->vi)); - - if(sd->quality >= 0) { - if( 0 != vorbis_encode_init_vbr(&(sd->vi), - sd->outAudioFormat.channels, - sd->outAudioFormat.sampleRate, sd->quality*0.1) ) - { - ERROR("problem seting up vorbis encoder for shout\n"); - vorbis_info_clear(&(sd->vi)); - return -1; - } - } - else { - if( 0 != vorbis_encode_init(&(sd->vi), - sd->outAudioFormat.channels, - sd->outAudioFormat.sampleRate, -1.0, - sd->bitrate*1000, -1.0) ) - { - ERROR("problem seting up vorbis encoder for shout\n"); - vorbis_info_clear(&(sd->vi)); - return -1; - } - } - - vorbis_analysis_init(&(sd->vd), &(sd->vi)); - vorbis_block_init (&(sd->vd), &(sd->vb)); - - ogg_stream_init(&(sd->os), rand()); - - vorbis_comment_init(&(sd->vc)); - - return 0; -} - -static int myShout_openShoutConn(AudioOutput * audioOutput) { - ShoutData * sd = (ShoutData *)audioOutput->data; - - if(shout_open(sd->shoutConn) != SHOUTERR_SUCCESS) - { - ERROR("problem opening connection to shout server: %s\n", - shout_get_error(sd->shoutConn)); - - return -1; - } - - if(initEncoder(sd) < 0) { - shout_close(sd->shoutConn); - return -1; - } - - copyTagToVorbisComment(sd); - - vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main), - &(sd->header_comments), &(sd->header_codebooks)); - - ogg_stream_packetin(&(sd->os), &(sd->header_main)); - ogg_stream_packetin(&(sd->os), &(sd->header_comments)); - ogg_stream_packetin(&(sd->os), &(sd->header_codebooks)); - - sd->opened = 1; - sd->tagToSend = 0; - - while(ogg_stream_flush(&(sd->os), &(sd->og))) - { - if(write_page(sd) < 0) { - myShout_closeShoutConn(sd); - return -1; - } - } - - /*if(sd->tag) freeMpdTag(sd->tag); - sd->tag = NULL;*/ - - return 0; -} - -static int myShout_openDevice(AudioOutput * audioOutput, - AudioFormat * audioFormat) -{ - ShoutData * sd = (ShoutData *)audioOutput->data; - - memcpy(&(sd->inAudioFormat), audioFormat, sizeof(AudioFormat)); - - if(0 == memcmp(&(sd->inAudioFormat), &(sd->outAudioFormat), - sizeof(AudioFormat))) - { - sd->audioFormatConvert = 0; - } - else sd->audioFormatConvert = 1; - - audioOutput->open = 1; - - if(sd->opened) return 0; - - if(myShout_openShoutConn(audioOutput) < 0) { - audioOutput->open = 0; - return -1; - } - - return 0; -} - -static void myShout_convertAudioFormat(ShoutData * sd, char ** chunkArgPtr, - int * sizeArgPtr) -{ - int size = pcm_sizeOfOutputBufferForAudioFormatConversion( - &(sd->inAudioFormat), *sizeArgPtr, - &(sd->outAudioFormat)); - - if(size > sd->convBufferLen) { - sd->convBuffer = realloc(sd->convBuffer, size); - sd->convBufferLen = size; - } - - pcm_convertAudioFormat(&(sd->inAudioFormat), *chunkArgPtr, *sizeArgPtr, - &(sd->outAudioFormat), sd->convBuffer); - - *sizeArgPtr = size; - *chunkArgPtr = sd->convBuffer; -} - -static void myShout_sendMetadata(ShoutData * sd) { - ogg_int64_t granulepos = sd->vd.granulepos; - - if(!sd->opened || !sd->tag) return; - - clearEncoder(sd); - if(initEncoder(sd) < 0) return; - - sd->vd.granulepos = granulepos; - - copyTagToVorbisComment(sd); - - vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main), - &(sd->header_comments), &(sd->header_codebooks)); - - ogg_stream_packetin(&(sd->os), &(sd->header_main)); - ogg_stream_packetin(&(sd->os), &(sd->header_comments)); - ogg_stream_packetin(&(sd->os), &(sd->header_codebooks)); - - while(ogg_stream_flush(&(sd->os), &(sd->og))) - { - if(write_page(sd) < 0) { - myShout_closeShoutConn(sd); - return; - } - } - - /*if(sd->tag) freeMpdTag(sd->tag); - sd->tag = NULL;*/ - sd->tagToSend = 0; -} - -static int myShout_play(AudioOutput * audioOutput, char * playChunk, int size) { - int i,j; - ShoutData * sd = (ShoutData *)audioOutput->data; - float ** vorbbuf; - int samples; - int bytes = sd->outAudioFormat.bits/8; - - if(sd->opened && sd->tagToSend) myShout_sendMetadata(sd); - - if(!sd->opened) { - if(myShout_openShoutConn(audioOutput) < 0) { - return -1; - } - } - - if(sd->audioFormatConvert) { - myShout_convertAudioFormat(sd, &playChunk, &size); - } - - samples = size/(bytes*sd->outAudioFormat.channels); - - /* this is for only 16-bit audio */ - - vorbbuf = vorbis_analysis_buffer(&(sd->vd), samples); - - for(i=0; i<samples; i++) { - for(j=0; j<sd->outAudioFormat.channels; j++) { - vorbbuf[j][i] = (*((mpd_sint16 *)playChunk)) / 32768.0; - playChunk += bytes; - } - } - - vorbis_analysis_wrote(&(sd->vd), samples); - - while(1 == vorbis_analysis_blockout(&(sd->vd), &(sd->vb))) { - vorbis_analysis(&(sd->vb), NULL); - vorbis_bitrate_addblock(&(sd->vb)); - - while(vorbis_bitrate_flushpacket(&(sd->vd), &(sd->op))) { - ogg_stream_packetin(&(sd->os), &(sd->op)); - } - } - - - while(ogg_stream_pageout(&(sd->os), &(sd->og)) != 0) { - if(write_page(sd) < 0) { - myShout_closeShoutConn(sd); - return -1; - } - } - - return 0; -} - -static void myShout_setTag(AudioOutput * audioOutput, MpdTag * tag) { - ShoutData * sd = (ShoutData *)audioOutput->data; - - if(sd->tag) freeMpdTag(sd->tag); - sd->tag = NULL; - sd->tagToSend = 0; - - if(!tag) return; - - sd->tag = mpdTagDup(tag); - sd->tagToSend = 1; -} - -AudioOutputPlugin shoutPlugin = -{ - "shout", - myShout_initDriver, - myShout_finishDriver, - myShout_openDevice, - myShout_play, - myShout_closeDevice, - myShout_setTag -}; - -#else - -AudioOutputPlugin shoutPlugin = -{ - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL -}; - -#endif |