FileReader::Status FileReader::writeToStream(pa_stream *p, size_t nbytes) {
int frameSize = pa_frame_size(&m_s);
int len = qMin(nbytes, (nbytes/frameSize) * nbytes);
void *buff = pa_xmalloc(len);
if (!buff) {
qWarning() << "Failed to allocate buffer";
return StatusError;
}
sf_count_t read = sf_read_raw(m_file, buff, len);
if (pa_stream_write(p, buff, read, pa_xfree, 0, PA_SEEK_RELATIVE) < 0) {
qWarning() << "Failed to write to pulse audio stream";
pa_xfree(buff);
return StatusError;
}
m_pos += read;
if (m_pos == size()) {
// Over.
return StatusEof;
}
if (read != len) {
return StatusError;
}
return StatusOk;
}
/* This is called whenever new data may be written to the stream */
static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
pa_assert(s);
pa_assert(length > 0);
if (raw) {
pa_assert(!sndfile);
if (stdio_event)
mainloop_api->io_enable(stdio_event, PA_IO_EVENT_INPUT);
if (!buffer)
return;
do_stream_write(length);
} else {
sf_count_t bytes;
void *data;
pa_assert(sndfile);
for (;;) {
size_t data_length = length;
if (pa_stream_begin_write(s, &data, &data_length) < 0) {
pa_log(_("pa_stream_begin_write() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
if (readf_function) {
size_t k = pa_frame_size(&sample_spec);
if ((bytes = readf_function(sndfile, data, (sf_count_t) (data_length/k))) > 0)
bytes *= (sf_count_t) k;
} else
bytes = sf_read_raw(sndfile, data, (sf_count_t) data_length);
if (bytes > 0)
pa_stream_write(s, data, (size_t) bytes, NULL, 0, PA_SEEK_RELATIVE);
else
pa_stream_cancel_write(s);
/* EOF? */
if (bytes < (sf_count_t) data_length) {
start_drain();
break;
}
/* Request fulfilled */
if ((size_t) bytes >= length)
break;
length -= bytes;
}
}
}
static int
quh_sndfile_in_write (st_quh_nfo_t * file)
{
(void) file;
quh.buffer_len = sf_read_raw (sndfile, quh.buffer, QUH_MAXBUFSIZE);
return 0;
}
void
test_read_raw_or_die (SNDFILE *file, int pass, void *test, sf_count_t items, int line_num)
{ sf_count_t count ;
if ((count = sf_read_raw (file, test, items)) != items)
{ printf ("\n\nLine %d", line_num) ;
if (pass > 0)
printf (" (pass %d)", pass) ;
printf (" : sf_read_raw failed with short read (%ld => %ld).\n",
SF_COUNT_TO_LONG (items), SF_COUNT_TO_LONG (count)) ;
fflush (stdout) ;
puts (sf_strerror (file)) ;
exit (1) ;
} ;
return ;
} /* test_read_raw_or_die */
int main (int argc, char *argv[])
{ static char strbuffer [BUFFER_LEN] ;
unsigned int linecount ;
char *progname, *infilename ;
SNDFILE *infile ;
SF_INFO sfinfo ;
int k, start, readcount ;
progname = strrchr (argv [0], '/') ;
progname = progname ? progname + 1 : argv [0] ;
if (argc != 2)
{ print_usage (progname) ;
return 1 ;
} ;
infilename = argv [1] ;
if (! (infile = sf_open (infilename, SFM_READ, &sfinfo)))
{ printf ("Error : Not able to open input file %s.\n", infilename) ;
sf_perror (NULL) ;
sf_command (NULL, SFC_GET_LOG_INFO, strbuffer, BUFFER_LEN) ;
printf (strbuffer) ;
return 1 ;
} ;
start = 0 ;
linecount = 24 ;
while ((readcount = sf_read_raw (infile, strbuffer, linecount)))
{ printf ("%08X: ", start) ;
for (k = 0 ; k < readcount ; k++)
printf ("%02X ", strbuffer [k] & 0xFF) ;
for (k = readcount ; k < 16 ; k++)
printf (" ") ;
printf ("\n") ;
start += readcount ;
} ;
sf_close (infile) ;
return 0 ;
} /* main */
static int
sndfile_read (DB_fileinfo_t *_info, char *bytes, int size) {
sndfile_info_t *info = (sndfile_info_t*)_info;
int samplesize = _info->fmt.channels * _info->fmt.bps / 8;
if (size / samplesize + info->currentsample > info->endsample) {
size = (info->endsample - info->currentsample + 1) * samplesize;
trace ("sndfile: size truncated to %d bytes, cursample=%d, endsample=%d\n", size, info->currentsample, info->endsample);
if (size <= 0) {
return 0;
}
}
int n = 0;
if (info->read_as_short) {
n = sf_readf_short(info->ctx, (short *)bytes, size/samplesize);
}
else {
n = sf_read_raw (info->ctx, (short *)bytes, size);
if (info->sf_format == SF_FORMAT_PCM_U8) {
for (int i = 0; i < n; i++) {
int sample = ((uint8_t *)bytes)[i];
((int8_t *)bytes)[i] = sample-0x80;
}
}
n /= samplesize;
}
info->currentsample += n;
size = n * samplesize;
_info->readpos = (float)(info->currentsample-info->startsample)/_info->fmt.samplerate;
if (info->bitrate > 0) {
deadbeef->streamer_set_bitrate (info->bitrate);
}
return size;
}
unsigned AudioFileSndfile::read(void* buffer, Sound::Type type, unsigned frames)
{
if (!_handle || !(_mode == ModeRead || _mode == ModeReadWrite)) {
RUNTIME_ERROR("Attempt to read file not opened for reading.");
}
sf_count_t count;
switch (type) {
case Sound::Type::Float32:
count = sf_readf_float(_handle.get(), static_cast<Sound::Float32*>(buffer), frames);
break;
case Sound::Type::Float64:
count = sf_readf_double(_handle.get(), static_cast<Sound::Float64*>(buffer), frames);
break;
case Sound::Type::Int8:
count = sf_read_raw(_handle.get(), buffer, frames * _info.channels);
break;
case Sound::Type::Int16:
count = sf_readf_short(_handle.get(), static_cast<Sound::Int16*>(buffer), frames);
break;
case Sound::Type::Int32:
count = sf_readf_int(_handle.get(), static_cast<Sound::Int32*>(buffer), frames);
break;
default:
RUNTIME_ERROR("Unsupported sample type");
}
int errorNumber = sf_error(_handle.get());
if (errorNumber) {
SNDFILE_ERROR(errorNumber, "Error while reading file");
}
return unsigned(count);
}
static switch_status_t sndfile_file_read(switch_file_handle_t *handle, void *data, size_t *len)
{
size_t inlen = *len;
sndfile_context *context = handle->private_info;
if (switch_test_flag(handle, SWITCH_FILE_DATA_RAW)) {
*len = (size_t) sf_read_raw(context->handle, data, inlen);
} else if (switch_test_flag(handle, SWITCH_FILE_DATA_INT)) {
*len = (size_t) sf_readf_int(context->handle, (int *) data, inlen);
} else if (switch_test_flag(handle, SWITCH_FILE_DATA_SHORT)) {
*len = (size_t) sf_readf_short(context->handle, (short *) data, inlen);
} else if (switch_test_flag(handle, SWITCH_FILE_DATA_FLOAT)) {
*len = (size_t) sf_readf_float(context->handle, (float *) data, inlen);
} else if (switch_test_flag(handle, SWITCH_FILE_DATA_DOUBLE)) {
*len = (size_t) sf_readf_double(context->handle, (double *) data, inlen);
} else {
*len = (size_t) sf_readf_int(context->handle, (int *) data, inlen);
}
handle->pos += *len;
handle->sample_count += *len;
return *len ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
}
int pa_sound_file_load(
pa_mempool *pool,
const char *fname,
pa_sample_spec *ss,
pa_channel_map *map,
pa_memchunk *chunk,
pa_proplist *p) {
SNDFILE *sf = NULL;
SF_INFO sfi;
int ret = -1;
size_t l;
sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames) = NULL;
void *ptr = NULL;
int fd;
pa_assert(fname);
pa_assert(ss);
pa_assert(chunk);
pa_memchunk_reset(chunk);
if ((fd = pa_open_cloexec(fname, O_RDONLY, 0)) < 0) {
pa_log("Failed to open file %s: %s", fname, pa_cstrerror(errno));
goto finish;
}
#ifdef HAVE_POSIX_FADVISE
if (posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL) < 0) {
pa_log_warn("POSIX_FADV_SEQUENTIAL failed: %s", pa_cstrerror(errno));
goto finish;
} else
pa_log_debug("POSIX_FADV_SEQUENTIAL succeeded.");
#endif
pa_zero(sfi);
if (!(sf = sf_open_fd(fd, SFM_READ, &sfi, 1))) {
pa_log("Failed to open file %s", fname);
goto finish;
}
fd = -1;
if (pa_sndfile_read_sample_spec(sf, ss) < 0) {
pa_log("Failed to determine file sample format.");
goto finish;
}
if ((map && pa_sndfile_read_channel_map(sf, map) < 0)) {
if (ss->channels > 2)
pa_log("Failed to determine file channel map, synthesizing one.");
pa_channel_map_init_extend(map, ss->channels, PA_CHANNEL_MAP_DEFAULT);
}
if (p)
pa_sndfile_init_proplist(sf, p);
if ((l = pa_frame_size(ss) * (size_t) sfi.frames) > PA_SCACHE_ENTRY_SIZE_MAX) {
pa_log("File too large");
goto finish;
}
chunk->memblock = pa_memblock_new(pool, l);
chunk->index = 0;
chunk->length = l;
readf_function = pa_sndfile_readf_function(ss);
ptr = pa_memblock_acquire(chunk->memblock);
if ((readf_function && readf_function(sf, ptr, sfi.frames) != sfi.frames) ||
(!readf_function && sf_read_raw(sf, ptr, (sf_count_t) l) != (sf_count_t) l)) {
pa_log("Premature file end");
goto finish;
}
ret = 0;
finish:
if (sf)
sf_close(sf);
if (ptr)
pa_memblock_release(chunk->memblock);
if (ret != 0 && chunk->memblock)
pa_memblock_unref(chunk->memblock);
if (fd >= 0)
pa_close(fd);
return ret;
}
/* Called from IO thread context */
static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
file_stream *u;
pa_sink_input_assert_ref(i);
pa_assert(chunk);
u = FILE_STREAM(i->userdata);
file_stream_assert_ref(u);
if (!u->memblockq)
return -1;
for (;;) {
pa_memchunk tchunk;
size_t fs;
void *p;
sf_count_t n;
if (pa_memblockq_peek(u->memblockq, chunk) >= 0) {
chunk->length = PA_MIN(chunk->length, length);
pa_memblockq_drop(u->memblockq, chunk->length);
return 0;
}
if (!u->sndfile)
break;
tchunk.memblock = pa_memblock_new(i->sink->core->mempool, length);
tchunk.index = 0;
p = pa_memblock_acquire(tchunk.memblock);
if (u->readf_function) {
fs = pa_frame_size(&i->sample_spec);
n = u->readf_function(u->sndfile, p, (sf_count_t) (length/fs));
} else {
fs = 1;
n = sf_read_raw(u->sndfile, p, (sf_count_t) length);
}
pa_memblock_release(tchunk.memblock);
if (n <= 0) {
pa_memblock_unref(tchunk.memblock);
sf_close(u->sndfile);
u->sndfile = NULL;
break;
}
tchunk.length = (size_t) n * fs;
pa_memblockq_push(u->memblockq, &tchunk);
pa_memblock_unref(tchunk.memblock);
}
if (pa_sink_input_safe_to_remove(i)) {
pa_memblockq_free(u->memblockq);
u->memblockq = NULL;
pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), FILE_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL);
}
return -1;
}