]> git.tuebingen.mpg.de Git - paraslash.git/blobdiff - vss.c
vss.c: Isolate afh_init().
[paraslash.git] / vss.c
diff --git a/vss.c b/vss.c
index dbf8547c28e1bd091fac6f5a62e7f040e4bc8889..94134b515bcebebaf1410d8afbbc2c8ecb06b0ed 100644 (file)
--- a/vss.c
+++ b/vss.c
@@ -164,6 +164,19 @@ const char *audio_format_name(int i)
        return i >= 0?  afl[i].name : "(none)";
 }
 
+static void afh_init(void)
+{
+       int i;
+
+       PARA_DEBUG_LOG("supported audio formats: %s\n",
+               SUPPORTED_AUDIO_FORMATS);
+       FOR_EACH_AUDIO_FORMAT(i) {
+               PARA_NOTICE_LOG("initializing %s handler\n",
+                       audio_format_name(i));
+               afl[i].init(&afl[i]);
+       }
+}
+
 /**
  * initialize the virtual streaming system
  *
@@ -178,14 +191,7 @@ void vss_init(void)
                        conf.announce_time_arg : 300,
                autoplay_delay = conf.autoplay_delay_arg > 0?
                        conf.autoplay_delay_arg : 0;
-
-       PARA_DEBUG_LOG("supported audio formats: %s\n",
-               SUPPORTED_AUDIO_FORMATS);
-       FOR_EACH_AUDIO_FORMAT(i) {
-               PARA_NOTICE_LOG("initializing %s handler\n",
-                       afl[i].name);
-               afl[i].init(&afl[i]);
-       }
+       afh_init();
        ms2tv(announce_time, &announce_tv);
        PARA_INFO_LOG("announce timeval: %lums\n", tv2ms(&announce_tv));
        for (i = 0; senders[i].name; i++) {
@@ -204,11 +210,6 @@ void vss_init(void)
        }
 }
 
-static int get_file_info(int i)
-{
-       return  afl[i].get_file_info(map, mmd->size, &mmd->afi);
-}
-
 /**
  * guess the audio format judging from filename
  *
@@ -239,19 +240,6 @@ int guess_audio_format(const char *name)
        return -E_BAD_AUDIO_FILE_SUFFIX;
 }
 
-static int get_audio_format(int omit)
-{
-       int i;
-
-       FOR_EACH_AUDIO_FORMAT(i) {
-               if (i == omit)
-                       continue;
-               if (get_file_info(i) > 0)
-                       return i;
-       }
-       return -E_AUDIO_FORMAT;
-}
-
 /**
  * Call get_file_info() to obtain an afhi structure.
  *
@@ -291,79 +279,6 @@ int compute_afhi(const char *path, char *data, size_t size,
        return -E_AUDIO_FORMAT;
 }
 
-/*
- * upddate shared mem
- */
-static int update_mmd(void)
-{
-       int i;
-
-       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;
-       mmd->events++;
-       return 1;
-}
-
-static void vss_get_audio_file(void)
-{
-       char **sl = selectors[mmd->selector_num].get_audio_file_list(10);
-       int i;
-       struct stat file_status;
-
-       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 = open(sl[i], O_RDONLY);
-               if (audio_file < 0)
-                       continue;
-               if (fstat(audio_file, &file_status) == -1 ||
-                               !file_status.st_size) {
-                       close(audio_file);
-                       continue;
-               }
-               mmd->size = file_status.st_size;
-               mmd->mtime = file_status.st_mtime;
-               map = para_mmap(mmd->size, PROT_READ, MAP_PRIVATE,
-                       audio_file, 0);
-               strcpy(mmd->filename, sl[i]);
-               mmd->afi.header_len = 0; /* default: no header */
-               if (update_mmd() < 0) { /* invalid file */
-                       close(audio_file);
-                       munmap(map, mmd->size);
-                       map = NULL;
-                       continue;
-               }
-               mmd->num_played++;
-               if (selectors[mmd->selector_num].update_audio_file)
-                       selectors[mmd->selector_num].update_audio_file(sl[i]);
-               PARA_NOTICE_LOG("next audio file: %s\n", mmd->filename);
-               mmd->new_vss_status_flags &= (~VSS_NEXT);
-               gettimeofday(&now, NULL);
-               tv_add(&now, &announce_tv, &data_send_barrier);
-               goto free;
-       }
-err_out:
-       PARA_ERROR_LOG("%s", "no valid files found\n");
-       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)
@@ -413,7 +328,7 @@ static struct timeval *vss_compute_timeout(void)
        if (mmd->audio_format < 0 || !vss_playing() || !map)
                return NULL;
        vss_next_chunk_time(&next_chunk);
-       if (chk_barrier(afl[mmd->audio_format].name, &now, &next_chunk,
+       if (chk_barrier(audio_format_name(mmd->audio_format), &now, &next_chunk,
                        &the_timeout, 0) < 0)
                return &the_timeout;
        /* chunk is due or bof */
@@ -428,6 +343,7 @@ static void vss_eof(void)
        int i;
        char *tmp;
 
+       PARA_NOTICE_LOG("EOF\n");
        if (!map) {
                for (i = 0; senders[i].name; i++)
                        senders[i].shutdown_clients();
@@ -509,7 +425,7 @@ enum afs_socket_status {
 static enum afs_socket_status afsss;
 
 /**
- * compute the timeout for para_server's main select-loop
+ * 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.
@@ -518,36 +434,32 @@ static enum afs_socket_status afsss;
  * 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)
+ *     - request a new audio file from afs,
+ *     - 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(fd_set *rfds, fd_set *wfds, int *max_fileno)
 {
-       struct audio_format_handler *af = NULL;
-       int i, format;
-       struct timeval *ret;
+       int i;
+       struct timeval *tv;
 
        para_fd_set(afs_socket, rfds, max_fileno);
-
-//again:
-       format = mmd->audio_format;
-       if (format >= 0)
-               af = afl + format;
-       else
+       if (!map)
                for (i = 0; senders[i].name; i++)
                        senders[i].shutdown_clients();
-       if (vss_next() && af) {
-               vss_eof();
-               return vss_compute_timeout();
+       else {
+               if (vss_next()) {
+                       vss_eof();
+                       return vss_compute_timeout();
+               }
        }
        if (vss_paused() || vss_repos()) {
                for (i = 0; senders[i].name; i++)
                        senders[i].shutdown_clients();
-               if (af) {
+               if (map) {
                        struct timeval now;
                        gettimeofday(&now, NULL);
                        if (!vss_paused() || mmd->chunks_sent)
@@ -563,18 +475,18 @@ struct timeval *vss_preselect(fd_set *rfds, fd_set *wfds, int *max_fileno)
                mmd->new_vss_status_flags &= ~(VSS_REPOS);
                mmd->current_chunk = mmd->repos_request;
        }
-       ret = vss_compute_timeout();
-       if (!ret && !map && vss_playing() &&
+       tv = vss_compute_timeout();
+       if (tv)
+               return tv;
+       if (!map && vss_playing() &&
                        !(mmd->new_vss_status_flags & VSS_NOMORE)) {
                PARA_DEBUG_LOG("%s", "ready and playing, but no audio file\n");
-               //vss_get_audio_file();
                if (afsss == AFS_SOCKET_READY) {
                        para_fd_set(afs_socket, wfds, max_fileno);
                        afsss = AFS_SOCKET_CHECK_FOR_WRITE;
                }
-//             goto again;
        }
-       return ret;
+       return tv;
 }
 
 static int recv_afs_msg(int *fd, uint32_t *code, uint32_t *data)
@@ -618,6 +530,7 @@ static void recv_afs_result(void)
        struct stat statbuf;
        struct timeval now;
 
+       PARA_NOTICE_LOG("recv\n");
        ret = recv_afs_msg(&passed_fd, &afs_code, &afs_data);
        if (ret < 0)
                goto err;
@@ -670,6 +583,7 @@ void vss_post_select(fd_set *rfds, fd_set *wfds)
                recv_afs_result();
        if (afsss != AFS_SOCKET_CHECK_FOR_WRITE || !FD_ISSET(afs_socket, wfds))
                return;
+       PARA_NOTICE_LOG("requesting new socket\n");
        ret = send_buffer(afs_socket, "new");
        afsss = AFS_SOCKET_AFD_PENDING;
 }
@@ -679,6 +593,10 @@ static void get_chunk(long unsigned chunk_num, char **buf, size_t *len)
        size_t pos = mmd->afi.chunk_table[chunk_num];
        *buf = map + pos;
        *len = mmd->afi.chunk_table[chunk_num + 1] - pos;
+
+       if (chunk_num + 5 > mmd->afd.afhi.chunks_total)
+               PARA_NOTICE_LOG("chunk %lu/%lu\n, len: %zu\n", chunk_num,
+                       mmd->afd.afhi.chunks_total, *len);
 }
 
 /**
@@ -712,12 +630,12 @@ int vss_get_chunk(long unsigned chunk_num, char **buf, size_t *len)
 void vss_send_chunk(void)
 {
        int i;
-       struct audio_format_handler *af;
        struct timeval now, due;
+       char *buf;
+       size_t len;
 
        if (mmd->audio_format < 0 || !map || !vss_playing())
                return;
-       af = &afl[mmd->audio_format];
        gettimeofday(&now, NULL);
        vss_next_chunk_time(&due);
        if (tv_diff(&due, &now, NULL) > 0)
@@ -743,12 +661,9 @@ void vss_send_chunk(void)
                mmd->offset = tv2ms(&tmp);
                mmd->events++;
        }
-       for (i = 0; senders[i].name; i++) {
-               char *buf;
-               size_t len;
-               get_chunk(mmd->current_chunk, &buf, &len);
+       get_chunk(mmd->current_chunk, &buf, &len);
+       for (i = 0; senders[i].name; i++)
                senders[i].send(mmd->current_chunk, mmd->chunks_sent, buf, len);
-       }
        mmd->new_vss_status_flags |= VSS_PLAYING;
        mmd->chunks_sent++;
        mmd->current_chunk++;