*/
#include "server.h"
+#include <sys/mman.h> /* mmap */
#include <sys/time.h> /* gettimeofday */
#include "server.cmdline.h"
-#include "db.h"
-#include "afh.h"
+#include "afs.h"
#include "vss.h"
#include "send.h"
#include "error.h"
#include "string.h"
+#include "fd.h"
extern const char *status_item_list[];
extern struct sender senders[];
static FILE *audio_file = NULL;
+static char *map;
#if 1
void mp3_init(struct audio_format_handler *);
/** iterate over each supported audio format */
#define FOR_EACH_AUDIO_FORMAT(i) for (i = 0; afl[i].name; i++)
+
+
/**
* check if vss status flag \a P (playing) is set
*
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);
+ return afl[i].get_file_info(map, mmd->size, &mmd->afi);
}
/**
int i;
FOR_EACH_AUDIO_FORMAT(i) {
- if (i == omit || !afl[i].get_file_info)
+ if (i == omit)
continue;
rewind(audio_file);
if (get_file_info(i) > 0)
*/
static int update_mmd(void)
{
- int i;
+ int i, fd = fileno(audio_file);
struct stat file_status;
+ if (fstat(fd, &file_status) == -1)
+ return -E_FSTAT;
+ mmd->size = file_status.st_size;
+ mmd->mtime = file_status.st_mtime;
+ map = para_mmap(file_status.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
i = guess_audio_format(mmd->filename);
if (i < 0 || get_file_info(i) < 0)
i = get_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)
+static void vss_get_audio_file(void)
{
char **sl = selectors[mmd->selector_num].get_audio_file_list(10);
int i;
{
struct timeval tmp;
- tv_scale(mmd->chunks_sent, &afl[mmd->audio_format].chunk_tv, &tmp);
+ tv_scale(mmd->chunks_sent, &mmd->afi.chunk_tv, &tmp);
tv_add(&tmp, &mmd->stream_start, due);
}
return;
}
gettimeofday(&now, NULL);
- tv_add(&af->eof_tv, &now, &eof_barrier);
- af->close_audio_file();
+ tv_add(&mmd->afi.eof_tv, &now, &eof_barrier);
+ munmap(map, mmd->size);
+ fclose(audio_file);
audio_file = NULL;
mmd->audio_format = -1;
af = NULL;
mmd->chunks_sent = 0;
mmd->offset = 0;
- mmd->seconds_total = 0;
+ mmd->afi.seconds_total = 0;
+ free(mmd->afi.chunk_table);
+ mmd->afi.chunk_table = NULL;
+ free(mmd->afi.header);
+ mmd->afi.header = NULL;
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);
+ strcpy(mmd->afi.info_string, 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]);
*/
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);
+ *header_len = mmd->afi.header_len;
+ return mmd->afi.header;
}
/**
{
if (mmd->audio_format < 0)
return NULL;
- return &afl[mmd->audio_format].chunk_tv;
+ return &mmd->afi.chunk_tv;
}
/**
struct timeval now;
gettimeofday(&now, NULL);
if (!vss_paused() || mmd->chunks_sent)
- tv_add(&af->eof_tv, &now, &eof_barrier);
+ tv_add(&mmd->afi.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->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;
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();
+ vss_get_audio_file();
goto again;
}
return ret;
* 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;
+ ssize_t pos, len;
struct timeval now, due;
if (mmd->audio_format < 0 || !audio_file || !vss_playing())
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->current_chunk >= mmd->afi.chunks_total) { /* eof */
+ mmd->new_vss_status_flags |= VSS_NEXT;
+ return vss_eof(af);
}
+ pos = mmd->afi.chunk_table[mmd->current_chunk];
+ len = mmd->afi.chunk_table[mmd->current_chunk + 1] - pos;
+ /*
+ * We call the send function also in case of empty chunks as they
+ * might have still some data queued which can be sent in this case.
+ */
if (!mmd->chunks_sent) {
struct timeval tmp;
gettimeofday(&mmd->stream_start, NULL);
- tv_scale(mmd->current_chunk, &af->chunk_tv, &tmp);
+ tv_scale(mmd->current_chunk, &mmd->afi.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);
+ senders[i].send(mmd->current_chunk, mmd->chunks_sent,
+ map + pos, len);
mmd->new_vss_status_flags |= VSS_PLAYING;
mmd->chunks_sent++;
mmd->current_chunk++;
projects / paraslash.git / blobdiff