/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "afh.h"
#include "error.h"
#include "string.h"
+++ /dev/null
-/*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.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, USA.
- */
-
-/** \file afs.c audio file sending functions
- *
- * This contains the audio sending part of para_server which is independent of
- * the current audio format, audio file selector and of the activated senders.
- */
-
-#include "server.h"
-#include <sys/time.h> /* gettimeofday */
-#include "server.cmdline.h"
-#include "db.h"
-#include "afh.h"
-#include "afs.h"
-#include "send.h"
-#include "error.h"
-#include "string.h"
-
-extern const char *status_item_list[];
-
-static struct timeval announce_tv;
-static struct timeval data_send_barrier;
-static struct timeval eof_barrier;
-static struct timeval autoplay_barrier;
-
-extern struct misc_meta_data *mmd;
-extern struct audio_file_selector selectors[];
-extern struct sender senders[];
-
-static FILE *audio_file = NULL;
-
-#if 1
- void mp3_init(struct audio_format_handler *);
-#endif
-
-#ifdef HAVE_OGGVORBIS
- void ogg_init(struct audio_format_handler *);
-#endif
-#ifdef HAVE_FAAD
- void aac_afh_init(struct audio_format_handler *);
-#endif
-
-/**
- * the list of supported audio formats
- */
-static struct audio_format_handler afl[] = {
-#if 1
- {
- .name = "mp3",
- .init = mp3_init,
- },
-#endif
-#ifdef HAVE_OGGVORBIS
- {
- .name = "ogg",
- .init = ogg_init,
- },
-#endif
-#ifdef HAVE_FAAD
- {
- .name = "aac",
- .init = aac_afh_init,
- },
-#endif
- {
- .name = NULL,
- }
-};
-#define FOR_EACH_AUDIO_FORMAT(i) for (i = 0; afl[i].name; i++)
-
-/**
- * check if audio file sender is playing
- *
- * \return greater than zero if playing, zero otherwise.
- *
- */
-unsigned int afs_playing(void)
-{
- return mmd->new_afs_status_flags & AFS_PLAYING;
-}
-
-/**
- * check if 'next' flag is set afs_status_flags
- *
- * \return greater than zero if set, zero if not.
- *
- */
-unsigned int afs_next(void)
-{
- return mmd->new_afs_status_flags & AFS_NEXT;
-}
-
-/**
- * check if a reposition request is pending
- *
- * \return greater than zero if true, zero otherwise.
- *
- */
-unsigned int afs_repos(void)
-{
- return mmd->new_afs_status_flags & AFS_REPOS;
-}
-
-/**
- * check if audio file sender is paused
- *
- * \return greater than zero if paused, zero otherwise.
- *
- */
-unsigned int afs_paused(void)
-{
- return !(mmd->new_afs_status_flags & AFS_NEXT)
- && !(mmd->new_afs_status_flags & AFS_PLAYING);
-}
-
-/**
- * get the name of the given audio format
- * \param i the audio format number
- *
- * This returns a pointer to statically allocated memory so it
- * must not be freed by the caller.
- */
-const char *audio_format_name(int i)
-{
- return i >= 0? afl[i].name : "(none)";
-}
-
-/**
- * initialize the audio file sender
- *
- * Call the init functions of all supported audio format handlers and
- * initialize all supported senders.
- */
-void afs_init(void)
-{
- int i;
- char *hn = para_hostname(), *home = para_homedir();
-
- PARA_DEBUG_LOG("supported audio formats: %s\n",
- SUPPORTED_AUDIO_FORMATS);
- for (i = 0; afl[i].name; i++) {
- PARA_NOTICE_LOG("initializing %s handler\n",
- afl[i].name);
- afl[i].init(&afl[i]);
- }
- ms2tv(conf.announce_time_arg, &announce_tv);
- PARA_INFO_LOG("announce timeval: %lums\n", tv2ms(&announce_tv));
- for (i = 0; senders[i].name; i++) {
- PARA_NOTICE_LOG("initializing %s sender\n", senders[i].name);
- senders[i].init(&senders[i]);
- }
- free(hn);
- free(home);
- if (conf.autoplay_given) {
- struct timeval now, tmp;
- mmd->afs_status_flags |= AFS_PLAYING;
- mmd->new_afs_status_flags |= AFS_PLAYING;
- gettimeofday(&now, NULL);
- ms2tv(conf.autoplay_delay_arg, &tmp);
- tv_add(&now, &tmp, &autoplay_barrier);
- }
-}
-
-static int get_file_info(int i)
-{
- return afl[i].get_file_info(audio_file, mmd->audio_file_info,
- &mmd->chunks_total, &mmd->seconds_total);
-}
-
-/**
- * guess the audio format judging from filename
- *
- * \param name the filename
- *
- * \return This function returns -1 if it has no idea what kind of audio
- * file this might be. Otherwise the (non-negative) number of the audio format
- * is returned.
- */
-int guess_audio_format(const char *name)
-{
- int i,j, len = strlen(name);
-
- FOR_EACH_AUDIO_FORMAT(i) {
- for (j = 0; afl[i].suffixes[j]; j++) {
- const char *p = afl[i].suffixes[j];
- int plen = strlen(p);
- if (len < plen + 1)
- continue;
- if (name[len - plen - 1] != '.')
- continue;
- if (strcasecmp(name + len - plen, p))
- continue;
-// PARA_DEBUG_LOG("might be %s\n", audio_format_name(i));
- return i;
- }
- }
- return -1;
-}
-
-static int get_audio_format(int omit)
-{
- int i;
-
- FOR_EACH_AUDIO_FORMAT(i) {
- if (i == omit || !afl[i].get_file_info)
- continue;
- rewind(audio_file);
- if (get_file_info(i) > 0)
- return i;
- rewind(audio_file);
- }
- return -E_AUDIO_FORMAT;
-}
-
-/*
- * upddate shared mem
- */
-static int update_mmd(void)
-{
- int i;
- struct stat file_status;
-
- i = guess_audio_format(mmd->filename);
- if (i < 0 || get_file_info(i) < 0)
- i = get_audio_format(i);
- if (i < 0)
- return i;
- mmd->audio_format = i;
- mmd->chunks_sent = 0;
- mmd->current_chunk = 0;
- mmd->offset = 0;
- if (fstat(fileno(audio_file), &file_status) == -1)
- return -E_FSTAT;
- mmd->size = file_status.st_size;
- mmd->mtime = file_status.st_mtime;
- mmd->events++;
- PARA_NOTICE_LOG("next audio file: %s\n", mmd->filename);
- return 1;
-}
-
-static void get_song(void)
-{
- char **sl = selectors[mmd->selector_num].get_audio_file_list(10);
- int i;
-
- if (!sl)
- goto err_out;
- for (i = 0; sl[i]; i++) {
- struct timeval now;
- PARA_INFO_LOG("trying %s\n", sl[i]);
- if (strlen(sl[i]) >= _POSIX_PATH_MAX)
- continue;
- audio_file = fopen(sl[i], "r");
- if (!audio_file)
- continue;
- strcpy(mmd->filename, sl[i]);
- if (update_mmd() < 0) {
- fclose(audio_file);
- audio_file = NULL;
- continue;
- }
- mmd->num_played++;
- if (selectors[mmd->selector_num].update_audio_file)
- selectors[mmd->selector_num].update_audio_file(sl[i]);
- PARA_DEBUG_LOG("%s", "success\n");
- mmd->new_afs_status_flags &= (~AFS_NEXT);
- gettimeofday(&now, NULL);
- tv_add(&now, &announce_tv, &data_send_barrier);
-
- goto free;
- }
- PARA_ERROR_LOG("%s", "no valid files found\n");
-err_out:
- mmd->new_afs_status_flags = AFS_NEXT;
-free:
- if (sl) {
- for (i = 0; sl[i]; i++)
- free(sl[i]);
- free(sl);
- }
-}
-
-static int chk_barrier(const char *bname, const struct timeval *now,
- const struct timeval *barrier, struct timeval *diff,
- int print_log)
-{
- long ms;
-
- if (tv_diff(now, barrier, diff) > 0)
- return 1;
- ms = tv2ms(diff);
- if (print_log && ms)
- PARA_DEBUG_LOG("%s barrier: %lims left\n", bname, ms);
- return -1;
-}
-
-static void afs_next_chunk_time(struct timeval *due)
-{
- struct timeval tmp;
-
- tv_scale(mmd->chunks_sent, &afl[mmd->audio_format].chunk_tv, &tmp);
- tv_add(&tmp, &mmd->stream_start, due);
-}
-
-/*
- * != NULL: timeout for next chunk
- * NULL: nothing to do
- */
-static struct timeval *afs_compute_timeout(void)
-{
- static struct timeval the_timeout;
- struct timeval now, next_chunk;
-
- if (afs_next() && mmd->audio_format >= 0) {
- /* only sleep a bit, nec*/
- the_timeout.tv_sec = 0;
- the_timeout.tv_usec = 100;
- return &the_timeout;
- }
- gettimeofday(&now, NULL);
- if (chk_barrier("autoplay_delay", &now, &autoplay_barrier,
- &the_timeout, 1) < 0)
- return &the_timeout;
- if (chk_barrier("eof", &now, &eof_barrier, &the_timeout, 1) < 0)
- return &the_timeout;
- if (chk_barrier("data send", &now, &data_send_barrier,
- &the_timeout, 1) < 0)
- return &the_timeout;
- if (mmd->audio_format < 0 || !afs_playing() || !audio_file)
- return NULL;
- afs_next_chunk_time(&next_chunk);
- if (chk_barrier(afl[mmd->audio_format].name, &now, &next_chunk,
- &the_timeout, 0) < 0)
- return &the_timeout;
- /* chunk is due or bof */
- the_timeout.tv_sec = 0;
- the_timeout.tv_usec = 0;
- return &the_timeout;
-}
-
-static void afs_eof(struct audio_format_handler *af)
-{
- struct timeval now;
- int i;
- char *tmp;
-
- if (!af || !audio_file) {
- for (i = 0; senders[i].name; i++)
- senders[i].shutdown_clients();
- return;
- }
- gettimeofday(&now, NULL);
- tv_add(&af->eof_tv, &now, &eof_barrier);
- af->close_audio_file();
- audio_file = NULL;
- mmd->audio_format = -1;
- af = NULL;
- mmd->chunks_sent = 0;
- mmd->offset = 0;
- mmd->seconds_total = 0;
- tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_AUDIO_INFO1],
- status_item_list[SI_AUDIO_INFO2], status_item_list[SI_AUDIO_INFO3]);
- strcpy(mmd->audio_file_info, tmp);
- free(tmp);
- tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_DBINFO1],
- status_item_list[SI_DBINFO2], status_item_list[SI_DBINFO3]);
- strcpy(mmd->selector_info, tmp);
- free(tmp);
- mmd->filename[0] = '\0';
- mmd->size = 0;
- mmd->events++;
-}
-
-/**
- * get the header and of the current audio file
- *
- * \param header_len the length of the header is stored here
- *
- * \return a pointer to a buffer containing the header, or NULL, if no audio
- * file is selected or if the current audio format does not need special header
- * treamtment.
- *
- */
-char *afs_get_header(int *header_len)
-{
- *header_len = 0;
- if (mmd->audio_format < 0)
- return NULL;
- if (!afl[mmd->audio_format].get_header_info)
- return NULL;
- return afl[mmd->audio_format].get_header_info(header_len);
-}
-const char *supported_audio_formats(void)
-{
- return SUPPORTED_AUDIO_FORMATS;
-}
-
-/**
- * get the chunk time of the current audio file
- *
- * \return a pointer to a struct containing the chunk time, or NULL,
- * if currently no audio file is selected.
- */
-struct timeval *afs_chunk_time(void)
-{
- if (mmd->audio_format < 0)
- return NULL;
- return &afl[mmd->audio_format].chunk_tv;
-}
-
-/**
- * compute the timeout for para_server's main select-loop
- *
- * This function gets called from para_server to determine the timeout value
- * for its main select loop.
- *
- * Before the timeout is computed, the current afs status flags are evaluated
- * and acted upon by calling appropriate functions from the lower layers.
- * Possible actions include
- *
- * - request a new file list from the current audio file selector
- * - shutdown of all senders (stop/pause command)
- * - reposition the stream (ff/jmp command)
- *
- * \return A pointer to a struct timeval containing the timeout for the next
- * chunk of data to be sent, or NULL if we're not sending right now.
- */
-struct timeval *afs_preselect(void)
-{
- struct audio_format_handler *af = NULL;
- int i, format;
- struct timeval *ret;
-again:
- format = mmd->audio_format;
- if (format >= 0)
- af = afl + format;
- else
- for (i = 0; senders[i].name; i++)
- senders[i].shutdown_clients();
- if (afs_next() && af) {
- afs_eof(af);
- return afs_compute_timeout();
- }
- if (afs_paused() || afs_repos()) {
- for (i = 0; senders[i].name; i++)
- senders[i].shutdown_clients();
- if (af) {
- struct timeval now;
- gettimeofday(&now, NULL);
- if (!afs_paused() || mmd->chunks_sent)
- tv_add(&af->eof_tv, &now, &eof_barrier);
- if (afs_repos())
- tv_add(&now, &announce_tv, &data_send_barrier);
- if (mmd->new_afs_status_flags & AFS_NOMORE)
- mmd->new_afs_status_flags = AFS_NEXT;
- }
- mmd->chunks_sent = 0;
- }
- if (af && afs_repos() && mmd->current_chunk != mmd->repos_request)
- af->reposition_stream(mmd->repos_request);
- if (afs_repos()) {
- mmd->new_afs_status_flags &= ~(AFS_REPOS);
- mmd->current_chunk = mmd->repos_request;
- }
- ret = afs_compute_timeout();
- if (!ret && !audio_file && afs_playing() &&
- !(mmd->new_afs_status_flags & AFS_NOMORE)) {
- PARA_DEBUG_LOG("%s", "ready and playing, but no audio file\n");
- get_song();
- goto again;
- }
- return ret;
-}
-
-/**
- * afs_send_chunk - paraslash's main sending function
- *
- * This function gets called from para_server as soon as the next chunk of
- * data should be pushed out. It first calls the read_chunk() function of
- * the current audio format handler to obtain a pointer to the data to be
- * sent out as well as its length. This information is then passed to each
- * supported sender's send() function which does the actual sending.
- *
- * Return value: Positive return value on success, zero on eof and negative
- * on errors.
- */
-
-void afs_send_chunk(void)
-{
- int i;
- struct audio_format_handler *af;
- char *buf;
- ssize_t ret;
- struct timeval now, due;
-
- if (mmd->audio_format < 0 || !audio_file || !afs_playing())
- return;
- af = &afl[mmd->audio_format];
- gettimeofday(&now, NULL);
- afs_next_chunk_time(&due);
- if (tv_diff(&due, &now, NULL) > 0)
- return;
- if (chk_barrier("eof", &now, &eof_barrier, &due, 1) < 0)
- return;
- if (chk_barrier("data send", &now, &data_send_barrier,
- &due, 1) < 0)
- return;
- buf = af->read_chunk(mmd->current_chunk, &ret);
- mmd->new_afs_status_flags &= ~AFS_REPOS;
- if (!buf) {
- if (ret < 0)
- mmd->new_afs_status_flags = AFS_NEXT;
- else
- mmd->new_afs_status_flags |= AFS_NEXT;
- afs_eof(af);
- return;
- }
- if (!mmd->chunks_sent) {
- struct timeval tmp;
- gettimeofday(&mmd->stream_start, NULL);
- tv_scale(mmd->current_chunk, &af->chunk_tv, &tmp);
- mmd->offset = tv2ms(&tmp);
- mmd->events++;
- }
- for (i = 0; senders[i].name; i++)
- senders[i].send(mmd->current_chunk, mmd->chunks_sent, buf, ret);
- mmd->new_afs_status_flags |= AFS_PLAYING;
- mmd->chunks_sent++;
- mmd->current_chunk++;
-}
+++ /dev/null
-/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.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, USA.
- */
-
-/** \file afs.h exported functions from afs.c (para_server) */
-void afs_init(void);
-void afs_send_chunk(void);
-struct timeval *afs_preselect(void);
-const char *audio_format_name(int);
-unsigned int afs_playing(void);
-unsigned int afs_next(void);
-unsigned int afs_repos(void);
-unsigned int afs_paused(void);
-char *afs_get_header(int *header_len);
-struct timeval *afs_chunk_time(void);
-int guess_audio_format(const char *name);
-const char *supported_audio_formats(void);
-/* status flags */
-#define AFS_NOMORE 1
-#define AFS_NEXT 2
-#define AFS_REPOS 4
-#define AFS_PLAYING 8
-#define DBT_CHANGE 16
/*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "db.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "send.h"
#include "rc4.h"
#include <openssl/rc4.h>
{
.name = "ff",
.handler = com_ff,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "jmp amount of time forwards or backwards "
"in current audio file",
.synopsis = "ff n[-]",
.help =
-"\tSet the 'R' (reposition request) bit of the afs status flags\n"
+"\tSet the 'R' (reposition request) bit of the vss status flags\n"
"\tand enqueue a request to jump n seconds forwards or backwards\n"
"\tin the current audio file.\n"
"\n"
{
.name = "hup",
.handler = com_hup,
-.perms = AFS_WRITE,
+.perms = VSS_WRITE,
.description = "force reload of config file and log file",
.synopsis = "hup",
.help =
{
.name = "jmp",
.handler = com_jmp,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "jmp to given position in current audio file",
.synopsis = "jmp [n]",
.help =
-"\tSet the 'R' (reposition request) bit of the afs status flags\n"
+"\tSet the 'R' (reposition request) bit of the vss status flags\n"
"\tand enqueue a request to jump to n% of the current audio file,\n"
"\twhere 0 <= n <= 100.\n"
{
.name = "next",
.handler = com_next,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "skip rest of current audio file",
.synopsis = "next",
.help =
-"\tSet the 'N' (next audio file) bit of the afs status flags. When\n"
+"\tSet the 'N' (next audio file) bit of the vss status flags. When\n"
"\tplaying, change audio file immediately. Equivalent to stop\n"
"\tif paused, NOP if stopped.\n"
{
.name = "nomore",
.handler = com_nomore,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "stop playing after current audio file",
.synopsis = "nomore",
.help =
-"Set the 'O' (no more) bit of the afs status flags. This instructs\n"
+"Set the 'O' (no more) bit of the vss status flags. This instructs\n"
"para_server to clear the 'P' (playing) bit as soon as it encounters\n"
"the 'N' (next audio file) bit being set.\n"
"\n"
{
.name ="pause",
.handler = com_pause,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "pause current audio file",
.synopsis = "pause",
.help =
-"\tClear the 'P' (playing) bit of the afs status flags.\n"
+"\tClear the 'P' (playing) bit of the vss status flags.\n"
},
{
.name = "play",
.handler = com_play,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "start playing or resume playing when paused",
.synopsis = "play",
.help =
-"\tSet the 'P' (playing) bit of the afs status flags. This\n"
+"\tSet the 'P' (playing) bit of the vss status flags. This\n"
"\tresults in starting/continuing to stream.\n"
},
{
.name = "sb",
.handler = com_sb,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print status bar for current audio file",
.synopsis = "sb [n]",
.help =
{
.name = "sc",
.handler = com_sc,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print name of audio file whenever it changes",
.synopsis = "sc [n]",
.help =
{
.name = "sender",
.handler = com_sender,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "control paraslash internal senders",
.synopsis = "sender [s cmd [arguments]]",
.help =
{
.name = "stat",
.handler = com_stat,
-.perms = AFS_READ,
+.perms = VSS_READ,
.description = "print status info for current audio file",
.synopsis = "stat [n]",
.help =
{
.name = "stop",
.handler = com_stop,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "stop playing",
.synopsis = "stop",
.help =
-"\tClear the 'P' (play) bit and set the 'N' bit of the afs status\n"
+"\tClear the 'P' (play) bit and set the 'N' bit of the vss status\n"
"\tflags.\n"
},
{
.name = "term",
.handler = com_term,
-.perms = AFS_READ | AFS_WRITE,
+.perms = VSS_READ | VSS_WRITE,
.description = "terminate para_server",
.synopsis = "term",
.help =
/*
* compute human readable string containing
- * afs_status for given integer value
+ * vss status for given integer value
*/
-static char *afs_status_tohuman(unsigned int flags)
+static char *vss_status_tohuman(unsigned int flags)
{
- if (flags & AFS_PLAYING)
+ if (flags & VSS_PLAYING)
return para_strdup("playing");
- else if (flags & AFS_NEXT)
+ else if (flags & VSS_NEXT)
return para_strdup("stopped");
else
return para_strdup("paused");
msg[0] = perms & DB_READ? 'd' : '-';
msg[1] = perms & DB_WRITE? 'D' : '-';
- msg[2] = perms & AFS_READ? 'a' : '-';
- msg[3] = perms & AFS_WRITE? 'A' : '-';
+ msg[2] = perms & VSS_READ? 'a' : '-';
+ msg[3] = perms & VSS_WRITE? 'A' : '-';
msg[4] = '\0';
return msg;
}
/*
* Never returns NULL.
*/
-static char *afs_get_status_flags(unsigned int flags)
+static char *vss_get_status_flags(unsigned int flags)
{
char *msg = para_malloc(5 * sizeof(char));
- msg[0] = (flags & AFS_PLAYING)? 'P' : '_';
- msg[1] = (flags & AFS_NOMORE)? 'O' : '_';
- msg[2] = (flags & AFS_NEXT)? 'N' : '_';
- msg[3] = (flags & AFS_REPOS)? 'R' : '_';
+ msg[0] = (flags & VSS_PLAYING)? 'P' : '_';
+ msg[1] = (flags & VSS_NOMORE)? 'O' : '_';
+ msg[2] = (flags & VSS_NEXT)? 'N' : '_';
+ msg[3] = (flags & VSS_REPOS)? 'R' : '_';
msg[4] = '\0';
return msg;
}
static char *get_status(struct misc_meta_data *nmmd)
{
char *bar, *ret, mtime[30] = "";
- char *status, *flags; /* afs status info */
+ char *status, *flags; /* vss status info */
char *ut = uptime_str();
long offset = (nmmd->offset + 500) / 1000;
struct timeval now;
strftime(mtime, 29, "%a %b %d %Y", &mtime_tm);
}
/* report real status */
- status = afs_status_tohuman(nmmd->afs_status_flags);
- flags = afs_get_status_flags(nmmd->afs_status_flags);
+ status = vss_status_tohuman(nmmd->vss_status_flags);
+ flags = vss_get_status_flags(nmmd->vss_status_flags);
bar = para_basename(nmmd->filename);
gettimeofday(&now, NULL);
ret = make_message(
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- mmd->new_afs_status_flags |= AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_NOMORE;
+ mmd->new_vss_status_flags |= VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_NOMORE;
mmd_unlock();
return 1;
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- mmd->new_afs_status_flags &= ~AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_REPOS;
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags &= ~VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_REPOS;
+ mmd->new_vss_status_flags |= VSS_NEXT;
mmd_unlock();
return 1;
}
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- if (!afs_paused())
+ if (!vss_paused())
mmd->events++;
- mmd->new_afs_status_flags &= ~AFS_PLAYING;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags &= ~VSS_PLAYING;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
mmd_unlock();
return 1;
}
return -E_COMMAND_SYNTAX;
mmd_lock();
mmd->events++;
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_NEXT;
mmd_unlock();
return 1;
}
if (argc != 1)
return -E_COMMAND_SYNTAX;
mmd_lock();
- if (afs_playing() || afs_paused())
- mmd->new_afs_status_flags |= AFS_NOMORE;
+ if (vss_playing() || vss_paused())
+ mmd->new_vss_status_flags |= VSS_NOMORE;
mmd_unlock();
return 1;
}
if (promille < 0)
promille = 0;
if (promille > 1000) {
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_NEXT;
goto out;
}
mmd->repos_request = (mmd->chunks_total * promille) / 1000;
- mmd->new_afs_status_flags |= AFS_REPOS;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_REPOS;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
mmd->events++;
ret = 1;
out:
mmd->repos_request = (mmd->chunks_total * i + 50)/ 100;
PARA_INFO_LOG("sent: %lu, offset before jmp: %lu\n",
mmd->chunks_sent, mmd->offset);
- mmd->new_afs_status_flags |= AFS_REPOS;
- mmd->new_afs_status_flags &= ~AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_REPOS;
+ mmd->new_vss_status_flags &= ~VSS_NEXT;
ret = 1;
mmd->events++;
out:
audiod_audio_formats=""
server_cmdline_objs="server.cmdline"
-server_errlist_objs="server mp3_afh afs command net string signal random_selector
+server_errlist_objs="server mp3_afh vss command net string signal random_selector
time daemon stat crypt http_send db close_on_fork playlist_selector
ipc dccp dccp_send fd user_list"
server_ldflags=""
/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include <dirent.h> /* readdir() */
#include <sys/stat.h> /* stat */
#include <sys/types.h> /* mode_t */
/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.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
#include "server.h"
#include "net.h"
#include "list.h"
-#include "afs.h"
+#include "vss.h"
#include "send.h"
#include "dccp.h"
#include "error.h"
if (!ret)
continue;
if (!dc->header_sent && current_chunk) {
- header_buf = afs_get_header(&header_len);
+ header_buf = vss_get_header(&header_len);
if (header_buf && header_len > 0) {
ret = dccp_write(dc->fd, header_buf, header_len);
if (ret != header_len) {
/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.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
SS_AACDEC,
SS_AAC_COMMON,
SS_SERVER,
- SS_AFS,
+ SS_VSS,
SS_MYSQL_SELECTOR,
SS_IPC,
SS_DCCP,
PARA_ERROR(OGG_REPOS, "ogg repositioning error"), \
-#define AFS_ERRORS \
+#define VSS_ERRORS \
PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
PARA_ERROR(FSTAT, "failed to fstat() audio file"), \
SS_ENUM(AAC_AFH);
SS_ENUM(AAC_COMMON);
SS_ENUM(SERVER);
-SS_ENUM(AFS);
+SS_ENUM(VSS);
SS_ENUM(COMMAND);
SS_ENUM(RANDOM_SELECTOR);
SS_ENUM(PLAYLIST_SELECTOR);
/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
#include "http.h"
-#include "afs.h"
+#include "vss.h"
#include "send.h"
#include "list.h"
#include "close_on_fork.h"
{
struct http_client *hc, *tmp;
list_for_each_entry_safe(hc, tmp, &clients, node)
- http_shutdown_client(hc, "afs request");
+ http_shutdown_client(hc, "vss request");
}
static int http_send_msg(struct http_client *hc, const char *msg)
continue;
if (hc->status == HTTP_READY_TO_STREAM) {
int hlen;
- char *hbuf = afs_get_header(&hlen);
+ char *hbuf = vss_get_header(&hlen);
if (hbuf && hlen > 0 && current_chunk) {
/* need to send header */
PARA_INFO_LOG("queueing header: %d\n", hlen);
hc->check_w = 1;
break;
case HTTP_SENT_OK_MSG:
- if (!afs_playing())
+ if (!vss_playing())
break; /* wait until server starts playing */
para_fd_set(hc->fd, wfds, max_fileno);
hc->check_w = 1;
/*
- * Copyright (C) 2003-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2003-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "afh.h"
#include "error.h"
#include "fd.h"
/*
- * Copyright (C) 1999-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1999-2007 Andre Noll <maan@systemlinux.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
/** \endcond */
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "db.h"
#include <mysql/mysql.h>
#include <mysql/mysql_version.h>
{
.name = "cs",
.handler = com_cs,
-.perms = AFS_WRITE | DB_READ | DB_WRITE,
+.perms = VSS_WRITE | DB_READ | DB_WRITE,
.description = "change stream",
.synopsis = "cs [s]",
.help =
{
.name = "csp",
.handler = com_cs,
-.perms = AFS_WRITE | DB_READ,
+.perms = VSS_WRITE | DB_READ,
.description = "change stream and play",
.synopsis = "csp s",
.help =
{
.name = "ns",
.handler = com_ps,
-.perms = AFS_WRITE | DB_READ | DB_WRITE,
+.perms = VSS_WRITE | DB_READ | DB_WRITE,
.description = "change to next stream",
.synopsis = "ns",
.help =
{
.name = "ps",
.handler = com_ps,
-.perms = AFS_WRITE | DB_READ | DB_WRITE,
+.perms = VSS_WRITE | DB_READ | DB_WRITE,
.description = "change to previous stream",
.synopsis = "ps",
.help =
}
if (csp) {
mmd_lock();
- mmd->new_afs_status_flags |= AFS_PLAYING;
+ mmd->new_vss_status_flags |= VSS_PLAYING;
if (stream_change)
- mmd->new_afs_status_flags |= AFS_NEXT;
+ mmd->new_vss_status_flags |= VSS_NEXT;
mmd_unlock();
}
ret = 1;
/*
- * Copyright (C) 2004-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2004-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "afh.h"
#include "error.h"
#include "string.h"
/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "send.h"
#include "list.h"
#include "ortp.h"
set_multicast(s);
}
-/* called by afs */
+/* called by vss */
static void ortp_shutdown_targets(void)
{
unsigned char buf[ORTP_AUDIO_HEADER_LEN];
if (self->status != SENDER_ON)
return;
- chunk_tv = afs_chunk_time();
+ chunk_tv = vss_chunk_time();
if (!chunk_tv)
return;
list_for_each_entry_safe(ot, tmp, &targets, node) {
}
if (list_empty(&targets))
return;
- header_buf = afs_get_header(&header_len);
+ header_buf = vss_get_header(&header_len);
if (!need_extra_header(current_chunk))
header_len = 0;
sendbuf_len = ORTP_AUDIO_HEADER_LEN + header_len + len;
/*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.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
#include "server.cmdline.h"
#include "db.h"
#include "server.h"
-#include "afs.h"
+#include "vss.h"
#include "config.h"
#include "close_on_fork.h"
#include "send.h"
/** shut down non-authorized connections after that many seconds */
#define ALARM_TIMEOUT 10
-/* these are exported to afs.c. command.c and to all selectors */
+/* these are exported to vss.c. command.c and to all selectors */
struct misc_meta_data *mmd;
/** the configuration of para_server
*
mmd->active_connections = 0;
strcpy(mmd->filename, "(none)");
mmd->audio_format = -1;
- mmd->afs_status_flags = AFS_NEXT;
- mmd->new_afs_status_flags = AFS_NEXT;
+ mmd->vss_status_flags = VSS_NEXT;
+ mmd->new_vss_status_flags = VSS_NEXT;
mmd->sender_cmd_data.cmd_num = -1;
return;
err_out:
init_selector();
PARA_NOTICE_LOG("%s", "initializing audio file sender\n");
/* audio file sender */
- afs_init();
+ vss_init();
mmd->server_pid = getpid();
setup_signal_handling();
mmd_lock();
if (prev_events != mmd->events)
goto out;
- if (mmd->new_afs_status_flags != mmd->afs_status_flags)
+ if (mmd->new_vss_status_flags != mmd->vss_status_flags)
goto out;
if (uptime / 60 != prev_uptime / 60)
goto out;
out:
prev_uptime = uptime;
prev_events = mmd->events;
- mmd->afs_status_flags = mmd->new_afs_status_flags;
+ mmd->vss_status_flags = mmd->new_vss_status_flags;
if (ret) {
PARA_DEBUG_LOG("%d events, forcing status update, af = %d\n",
mmd->events, mmd->audio_format);
/* check socket and signal pipe in any case */
para_fd_set(sockfd, &rfds, &max_fileno);
para_fd_set(signal_pipe, &rfds, &max_fileno);
- timeout = afs_preselect();
+ timeout = vss_preselect();
status_refresh();
for (i = 0; senders[i].name; i++) {
if (senders[i].status != SENDER_ON)
continue;
senders[i].post_select(&rfds, &wfds);
}
- afs_send_chunk();
+ vss_send_chunk();
status_refresh();
if (FD_ISSET(signal_pipe, &rfds)) {
int sig;
/*
- * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.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 number of the current audio format */
int audio_format;
/** the "old" status flags -- commands may only read them */
- unsigned int afs_status_flags;
+ unsigned int vss_status_flags;
/** the new status flags -- commands may set them **/
- unsigned int new_afs_status_flags;
+ unsigned int new_vss_status_flags;
/** the number of data chunks sent for the current audio file */
long unsigned chunks_sent;
/** the number of chunks this audio file contains */
/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.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
u->perms = 0;
while (num > 0) {
num--;
- if (!strcmp(tmp[num], "AFS_READ"))
- u->perms |= AFS_READ;
- else if (!strcmp(tmp[num], "AFS_WRITE"))
- u->perms |= AFS_WRITE;
+ if (!strcmp(tmp[num], "VSS_READ"))
+ u->perms |= VSS_READ;
+ else if (!strcmp(tmp[num], "VSS_WRITE"))
+ u->perms |= VSS_WRITE;
else if (!strcmp(tmp[num], "DB_READ"))
u->perms |= DB_READ;
else if (!strcmp(tmp[num], "DB_WRITE"))
/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.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
*
* - DB_READ: command reads from the database
* - DB_WRITE: command changes the contents of the database
- * - AFS_READ: command reads information about the current audio stream
- * - AFS_WRITE: command changes the current audio stream
+ * - VSS_READ: command reads information about the current audio stream
+ * - VSS_WRITE: command changes the current audio stream
*/
-enum {DB_READ = 1, DB_WRITE = 2, AFS_READ = 4, AFS_WRITE = 8};
+enum {DB_READ = 1, DB_WRITE = 2, VSS_READ = 4, VSS_WRITE = 8};
/**
* data needed to authenticate the user
--- /dev/null
+/*
+ * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.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, USA.
+ */
+
+/** \file vss.c the virtual streaming system
+ *
+ * This contains the audio sending part of para_server which is independent of
+ * the current audio format, audio file selector and of the activated senders.
+ */
+
+#include "server.h"
+#include <sys/time.h> /* gettimeofday */
+#include "server.cmdline.h"
+#include "db.h"
+#include "afh.h"
+#include "vss.h"
+#include "send.h"
+#include "error.h"
+#include "string.h"
+
+extern const char *status_item_list[];
+
+static struct timeval announce_tv;
+static struct timeval data_send_barrier;
+static struct timeval eof_barrier;
+static struct timeval autoplay_barrier;
+
+extern struct misc_meta_data *mmd;
+extern struct audio_file_selector selectors[];
+extern struct sender senders[];
+
+static FILE *audio_file = NULL;
+
+#if 1
+ void mp3_init(struct audio_format_handler *);
+#endif
+
+#ifdef HAVE_OGGVORBIS
+ void ogg_init(struct audio_format_handler *);
+#endif
+#ifdef HAVE_FAAD
+ void aac_afh_init(struct audio_format_handler *);
+#endif
+
+/**
+ * the list of supported audio formats
+ */
+static struct audio_format_handler afl[] = {
+#if 1
+ {
+ .name = "mp3",
+ .init = mp3_init,
+ },
+#endif
+#ifdef HAVE_OGGVORBIS
+ {
+ .name = "ogg",
+ .init = ogg_init,
+ },
+#endif
+#ifdef HAVE_FAAD
+ {
+ .name = "aac",
+ .init = aac_afh_init,
+ },
+#endif
+ {
+ .name = NULL,
+ }
+};
+#define FOR_EACH_AUDIO_FORMAT(i) for (i = 0; afl[i].name; i++)
+
+/**
+ * check if vss status flag \a P (playing) is set
+ *
+ * \return greater than zero if playing, zero otherwise.
+ *
+ */
+unsigned int vss_playing(void)
+{
+ return mmd->new_vss_status_flags & VSS_PLAYING;
+}
+
+/**
+ * check if \a N (next) status flag is set
+ *
+ * \return greater than zero if set, zero if not.
+ *
+ */
+unsigned int vss_next(void)
+{
+ return mmd->new_vss_status_flags & VSS_NEXT;
+}
+
+/**
+ * check if a reposition request is pending
+ *
+ * \return greater than zero if true, zero otherwise.
+ *
+ */
+unsigned int vss_repos(void)
+{
+ return mmd->new_vss_status_flags & VSS_REPOS;
+}
+
+/**
+ * check if the vss is currently paused
+ *
+ * \return greater than zero if paused, zero otherwise.
+ *
+ */
+unsigned int vss_paused(void)
+{
+ return !(mmd->new_vss_status_flags & VSS_NEXT)
+ && !(mmd->new_vss_status_flags & VSS_PLAYING);
+}
+
+/**
+ * get the name of the given audio format
+ * \param i the audio format number
+ *
+ * This returns a pointer to statically allocated memory so it
+ * must not be freed by the caller.
+ */
+const char *audio_format_name(int i)
+{
+ return i >= 0? afl[i].name : "(none)";
+}
+
+/**
+ * initialize the virtual streaming system
+ *
+ * Call the init functions of all supported audio format handlers and
+ * initialize all supported senders.
+ */
+void vss_init(void)
+{
+ int i;
+ char *hn = para_hostname(), *home = para_homedir();
+
+ PARA_DEBUG_LOG("supported audio formats: %s\n",
+ SUPPORTED_AUDIO_FORMATS);
+ for (i = 0; afl[i].name; i++) {
+ PARA_NOTICE_LOG("initializing %s handler\n",
+ afl[i].name);
+ afl[i].init(&afl[i]);
+ }
+ ms2tv(conf.announce_time_arg, &announce_tv);
+ PARA_INFO_LOG("announce timeval: %lums\n", tv2ms(&announce_tv));
+ for (i = 0; senders[i].name; i++) {
+ PARA_NOTICE_LOG("initializing %s sender\n", senders[i].name);
+ senders[i].init(&senders[i]);
+ }
+ free(hn);
+ free(home);
+ if (conf.autoplay_given) {
+ struct timeval now, tmp;
+ mmd->vss_status_flags |= VSS_PLAYING;
+ mmd->new_vss_status_flags |= VSS_PLAYING;
+ gettimeofday(&now, NULL);
+ ms2tv(conf.autoplay_delay_arg, &tmp);
+ tv_add(&now, &tmp, &autoplay_barrier);
+ }
+}
+
+static int get_file_info(int i)
+{
+ return afl[i].get_file_info(audio_file, mmd->audio_file_info,
+ &mmd->chunks_total, &mmd->seconds_total);
+}
+
+/**
+ * guess the audio format judging from filename
+ *
+ * \param name the filename
+ *
+ * \return This function returns -1 if it has no idea what kind of audio
+ * file this might be. Otherwise the (non-negative) number of the audio format
+ * is returned.
+ */
+int guess_audio_format(const char *name)
+{
+ int i,j, len = strlen(name);
+
+ FOR_EACH_AUDIO_FORMAT(i) {
+ for (j = 0; afl[i].suffixes[j]; j++) {
+ const char *p = afl[i].suffixes[j];
+ int plen = strlen(p);
+ if (len < plen + 1)
+ continue;
+ if (name[len - plen - 1] != '.')
+ continue;
+ if (strcasecmp(name + len - plen, p))
+ continue;
+// PARA_DEBUG_LOG("might be %s\n", audio_format_name(i));
+ return i;
+ }
+ }
+ return -1;
+}
+
+static int get_audio_format(int omit)
+{
+ int i;
+
+ FOR_EACH_AUDIO_FORMAT(i) {
+ if (i == omit || !afl[i].get_file_info)
+ continue;
+ rewind(audio_file);
+ if (get_file_info(i) > 0)
+ return i;
+ rewind(audio_file);
+ }
+ return -E_AUDIO_FORMAT;
+}
+
+/*
+ * upddate shared mem
+ */
+static int update_mmd(void)
+{
+ int i;
+ struct stat file_status;
+
+ i = guess_audio_format(mmd->filename);
+ if (i < 0 || get_file_info(i) < 0)
+ i = get_audio_format(i);
+ if (i < 0)
+ return i;
+ mmd->audio_format = i;
+ mmd->chunks_sent = 0;
+ mmd->current_chunk = 0;
+ mmd->offset = 0;
+ if (fstat(fileno(audio_file), &file_status) == -1)
+ return -E_FSTAT;
+ mmd->size = file_status.st_size;
+ mmd->mtime = file_status.st_mtime;
+ mmd->events++;
+ PARA_NOTICE_LOG("next audio file: %s\n", mmd->filename);
+ return 1;
+}
+
+static void get_song(void)
+{
+ char **sl = selectors[mmd->selector_num].get_audio_file_list(10);
+ int i;
+
+ if (!sl)
+ goto err_out;
+ for (i = 0; sl[i]; i++) {
+ struct timeval now;
+ PARA_INFO_LOG("trying %s\n", sl[i]);
+ if (strlen(sl[i]) >= _POSIX_PATH_MAX)
+ continue;
+ audio_file = fopen(sl[i], "r");
+ if (!audio_file)
+ continue;
+ strcpy(mmd->filename, sl[i]);
+ if (update_mmd() < 0) {
+ fclose(audio_file);
+ audio_file = NULL;
+ continue;
+ }
+ mmd->num_played++;
+ if (selectors[mmd->selector_num].update_audio_file)
+ selectors[mmd->selector_num].update_audio_file(sl[i]);
+ PARA_DEBUG_LOG("%s", "success\n");
+ mmd->new_vss_status_flags &= (~VSS_NEXT);
+ gettimeofday(&now, NULL);
+ tv_add(&now, &announce_tv, &data_send_barrier);
+
+ goto free;
+ }
+ PARA_ERROR_LOG("%s", "no valid files found\n");
+err_out:
+ mmd->new_vss_status_flags = VSS_NEXT;
+free:
+ if (sl) {
+ for (i = 0; sl[i]; i++)
+ free(sl[i]);
+ free(sl);
+ }
+}
+
+static int chk_barrier(const char *bname, const struct timeval *now,
+ const struct timeval *barrier, struct timeval *diff,
+ int print_log)
+{
+ long ms;
+
+ if (tv_diff(now, barrier, diff) > 0)
+ return 1;
+ ms = tv2ms(diff);
+ if (print_log && ms)
+ PARA_DEBUG_LOG("%s barrier: %lims left\n", bname, ms);
+ return -1;
+}
+
+static void vss_next_chunk_time(struct timeval *due)
+{
+ struct timeval tmp;
+
+ tv_scale(mmd->chunks_sent, &afl[mmd->audio_format].chunk_tv, &tmp);
+ tv_add(&tmp, &mmd->stream_start, due);
+}
+
+/*
+ * != NULL: timeout for next chunk
+ * NULL: nothing to do
+ */
+static struct timeval *vss_compute_timeout(void)
+{
+ static struct timeval the_timeout;
+ struct timeval now, next_chunk;
+
+ if (vss_next() && mmd->audio_format >= 0) {
+ /* only sleep a bit, nec*/
+ the_timeout.tv_sec = 0;
+ the_timeout.tv_usec = 100;
+ return &the_timeout;
+ }
+ gettimeofday(&now, NULL);
+ if (chk_barrier("autoplay_delay", &now, &autoplay_barrier,
+ &the_timeout, 1) < 0)
+ return &the_timeout;
+ if (chk_barrier("eof", &now, &eof_barrier, &the_timeout, 1) < 0)
+ return &the_timeout;
+ if (chk_barrier("data send", &now, &data_send_barrier,
+ &the_timeout, 1) < 0)
+ return &the_timeout;
+ if (mmd->audio_format < 0 || !vss_playing() || !audio_file)
+ return NULL;
+ vss_next_chunk_time(&next_chunk);
+ if (chk_barrier(afl[mmd->audio_format].name, &now, &next_chunk,
+ &the_timeout, 0) < 0)
+ return &the_timeout;
+ /* chunk is due or bof */
+ the_timeout.tv_sec = 0;
+ the_timeout.tv_usec = 0;
+ return &the_timeout;
+}
+
+static void vss_eof(struct audio_format_handler *af)
+{
+ struct timeval now;
+ int i;
+ char *tmp;
+
+ if (!af || !audio_file) {
+ for (i = 0; senders[i].name; i++)
+ senders[i].shutdown_clients();
+ return;
+ }
+ gettimeofday(&now, NULL);
+ tv_add(&af->eof_tv, &now, &eof_barrier);
+ af->close_audio_file();
+ audio_file = NULL;
+ mmd->audio_format = -1;
+ af = NULL;
+ mmd->chunks_sent = 0;
+ mmd->offset = 0;
+ mmd->seconds_total = 0;
+ tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_AUDIO_INFO1],
+ status_item_list[SI_AUDIO_INFO2], status_item_list[SI_AUDIO_INFO3]);
+ strcpy(mmd->audio_file_info, tmp);
+ free(tmp);
+ tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_DBINFO1],
+ status_item_list[SI_DBINFO2], status_item_list[SI_DBINFO3]);
+ strcpy(mmd->selector_info, tmp);
+ free(tmp);
+ mmd->filename[0] = '\0';
+ mmd->size = 0;
+ mmd->events++;
+}
+
+/**
+ * get the header and of the current audio file
+ *
+ * \param header_len the length of the header is stored here
+ *
+ * \return a pointer to a buffer containing the header, or NULL, if no audio
+ * file is selected or if the current audio format does not need special header
+ * treamtment.
+ *
+ */
+char *vss_get_header(int *header_len)
+{
+ *header_len = 0;
+ if (mmd->audio_format < 0)
+ return NULL;
+ if (!afl[mmd->audio_format].get_header_info)
+ return NULL;
+ return afl[mmd->audio_format].get_header_info(header_len);
+}
+const char *supported_audio_formats(void)
+{
+ return SUPPORTED_AUDIO_FORMATS;
+}
+
+/**
+ * get the chunk time of the current audio file
+ *
+ * \return a pointer to a struct containing the chunk time, or NULL,
+ * if currently no audio file is selected.
+ */
+struct timeval *vss_chunk_time(void)
+{
+ if (mmd->audio_format < 0)
+ return NULL;
+ return &afl[mmd->audio_format].chunk_tv;
+}
+
+/**
+ * compute the timeout for para_server's main select-loop
+ *
+ * This function gets called from para_server to determine the timeout value
+ * for its main select loop.
+ *
+ * Before the timeout is computed, the current vss status flags are evaluated
+ * and acted upon by calling appropriate functions from the lower layers.
+ * Possible actions include
+ *
+ * - request a new file list from the current audio file selector
+ * - shutdown of all senders (stop/pause command)
+ * - reposition the stream (ff/jmp command)
+ *
+ * \return A pointer to a struct timeval containing the timeout for the next
+ * chunk of data to be sent, or NULL if we're not sending right now.
+ */
+struct timeval *vss_preselect(void)
+{
+ struct audio_format_handler *af = NULL;
+ int i, format;
+ struct timeval *ret;
+again:
+ format = mmd->audio_format;
+ if (format >= 0)
+ af = afl + format;
+ else
+ for (i = 0; senders[i].name; i++)
+ senders[i].shutdown_clients();
+ if (vss_next() && af) {
+ vss_eof(af);
+ return vss_compute_timeout();
+ }
+ if (vss_paused() || vss_repos()) {
+ for (i = 0; senders[i].name; i++)
+ senders[i].shutdown_clients();
+ if (af) {
+ struct timeval now;
+ gettimeofday(&now, NULL);
+ if (!vss_paused() || mmd->chunks_sent)
+ tv_add(&af->eof_tv, &now, &eof_barrier);
+ if (vss_repos())
+ tv_add(&now, &announce_tv, &data_send_barrier);
+ if (mmd->new_vss_status_flags & VSS_NOMORE)
+ mmd->new_vss_status_flags = VSS_NEXT;
+ }
+ mmd->chunks_sent = 0;
+ }
+ if (af && vss_repos() && mmd->current_chunk != mmd->repos_request)
+ af->reposition_stream(mmd->repos_request);
+ if (vss_repos()) {
+ mmd->new_vss_status_flags &= ~(VSS_REPOS);
+ mmd->current_chunk = mmd->repos_request;
+ }
+ ret = vss_compute_timeout();
+ if (!ret && !audio_file && vss_playing() &&
+ !(mmd->new_vss_status_flags & VSS_NOMORE)) {
+ PARA_DEBUG_LOG("%s", "ready and playing, but no audio file\n");
+ get_song();
+ goto again;
+ }
+ return ret;
+}
+
+/**
+ * main sending function
+ *
+ * This function gets called from para_server as soon as the next chunk of
+ * data should be pushed out. It first calls the read_chunk() function of
+ * the current audio format handler to obtain a pointer to the data to be
+ * sent out as well as its length. This information is then passed to each
+ * supported sender's send() function which does the actual sending.
+ *
+ * Return value: Positive return value on success, zero on eof and negative
+ * on errors.
+ */
+
+void vss_send_chunk(void)
+{
+ int i;
+ struct audio_format_handler *af;
+ char *buf;
+ ssize_t ret;
+ struct timeval now, due;
+
+ if (mmd->audio_format < 0 || !audio_file || !vss_playing())
+ return;
+ af = &afl[mmd->audio_format];
+ gettimeofday(&now, NULL);
+ vss_next_chunk_time(&due);
+ if (tv_diff(&due, &now, NULL) > 0)
+ return;
+ if (chk_barrier("eof", &now, &eof_barrier, &due, 1) < 0)
+ return;
+ if (chk_barrier("data send", &now, &data_send_barrier,
+ &due, 1) < 0)
+ return;
+ buf = af->read_chunk(mmd->current_chunk, &ret);
+ mmd->new_vss_status_flags &= ~VSS_REPOS;
+ if (!buf) {
+ if (ret < 0)
+ mmd->new_vss_status_flags = VSS_NEXT;
+ else
+ mmd->new_vss_status_flags |= VSS_NEXT;
+ vss_eof(af);
+ return;
+ }
+ if (!mmd->chunks_sent) {
+ struct timeval tmp;
+ gettimeofday(&mmd->stream_start, NULL);
+ tv_scale(mmd->current_chunk, &af->chunk_tv, &tmp);
+ mmd->offset = tv2ms(&tmp);
+ mmd->events++;
+ }
+ for (i = 0; senders[i].name; i++)
+ senders[i].send(mmd->current_chunk, mmd->chunks_sent, buf, ret);
+ mmd->new_vss_status_flags |= VSS_PLAYING;
+ mmd->chunks_sent++;
+ mmd->current_chunk++;
+}
--- /dev/null
+/*
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.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, USA.
+ */
+
+/** \file vss.h exported functions from vss.c (para_server) */
+void vss_init(void);
+void vss_send_chunk(void);
+struct timeval *vss_preselect(void);
+const char *audio_format_name(int);
+unsigned int vss_playing(void);
+unsigned int vss_next(void);
+unsigned int vss_repos(void);
+unsigned int vss_paused(void);
+char *vss_get_header(int *header_len);
+struct timeval *vss_chunk_time(void);
+int guess_audio_format(const char *name);
+const char *supported_audio_formats(void);
+/* status flags */
+#define VSS_NOMORE 1
+#define VSS_NEXT 2
+#define VSS_REPOS 4
+#define VSS_PLAYING 8
+#define VSS_CHANGE 16
projects / paraslash.git / commitdiff