diff options
Diffstat (limited to 'polyp/sound-file-stream.c')
| -rw-r--r-- | polyp/sound-file-stream.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/polyp/sound-file-stream.c b/polyp/sound-file-stream.c deleted file mode 100644 index 881e3077..00000000 --- a/polyp/sound-file-stream.c +++ /dev/null @@ -1,179 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio 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 Lesser General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <assert.h> -#include <stdio.h> -#include <string.h> - -#include <sndfile.h> - -#include "sound-file-stream.h" -#include "sink-input.h" -#include "xmalloc.h" -#include "log.h" - -#define BUF_SIZE (1024*10) - -struct userdata { - SNDFILE *sndfile; - pa_sink_input *sink_input; - pa_memchunk memchunk; - sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames); -}; - -static void free_userdata(struct userdata *u) { - assert(u); - if (u->sink_input) { - pa_sink_input_disconnect(u->sink_input); - pa_sink_input_unref(u->sink_input); - } - - if (u->memchunk.memblock) - pa_memblock_unref(u->memchunk.memblock); - if (u->sndfile) - sf_close(u->sndfile); - - pa_xfree(u); -} - -static void sink_input_kill(pa_sink_input *i) { - assert(i && i->userdata); - free_userdata(i->userdata); -} - -static void si_kill(PA_GCC_UNUSED pa_mainloop_api *m, void *i) { - sink_input_kill(i); -} - -static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) { - struct userdata *u; - assert(i && chunk && i->userdata); - u = i->userdata; - - if (!u->memchunk.memblock) { - uint32_t fs = pa_frame_size(&i->sample_spec); - sf_count_t samples = BUF_SIZE/fs; - - u->memchunk.memblock = pa_memblock_new(BUF_SIZE, i->sink->core->memblock_stat); - u->memchunk.index = 0; - samples = u->readf_function(u->sndfile, u->memchunk.memblock->data, samples); - u->memchunk.length = samples*fs; - - if (!u->memchunk.length) { - pa_memblock_unref(u->memchunk.memblock); - u->memchunk.memblock = NULL; - u->memchunk.index = u->memchunk.length = 0; - pa_mainloop_api_once(i->sink->core->mainloop, si_kill, i); - return -1; - } - } - - *chunk = u->memchunk; - pa_memblock_ref(chunk->memblock); - assert(chunk->length); - return 0; -} - -static void sink_input_drop(pa_sink_input *i, const pa_memchunk*chunk, size_t length) { - struct userdata *u; - assert(i && chunk && length && i->userdata); - u = i->userdata; - - assert(!memcmp(chunk, &u->memchunk, sizeof(chunk))); - assert(length <= u->memchunk.length); - - u->memchunk.index += length; - u->memchunk.length -= length; - - if (u->memchunk.length <= 0) { - pa_memblock_unref(u->memchunk.memblock); - u->memchunk.memblock = NULL; - u->memchunk.index = u->memchunk.length = 0; - } -} - -int pa_play_file(pa_sink *sink, const char *fname, const pa_cvolume *volume) { - struct userdata *u = NULL; - SF_INFO sfinfo; - pa_sample_spec ss; - assert(sink && fname); - - u = pa_xmalloc(sizeof(struct userdata)); - u->sink_input = NULL; - u->memchunk.memblock = NULL; - u->memchunk.index = u->memchunk.length = 0; - u->sndfile = NULL; - - memset(&sfinfo, 0, sizeof(sfinfo)); - - if (!(u->sndfile = sf_open(fname, SFM_READ, &sfinfo))) { - pa_log(__FILE__": Failed to open file %s\n", fname); - goto fail; - } - - switch (sfinfo.format & 0xFF) { - case SF_FORMAT_PCM_16: - case SF_FORMAT_PCM_U8: - case SF_FORMAT_ULAW: - case SF_FORMAT_ALAW: - ss.format = PA_SAMPLE_S16NE; - u->readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short; - break; - case SF_FORMAT_FLOAT: - default: - ss.format = PA_SAMPLE_FLOAT32NE; - u->readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_float; - break; - } - - ss.rate = sfinfo.samplerate; - ss.channels = sfinfo.channels; - - if (!pa_sample_spec_valid(&ss)) { - pa_log(__FILE__": Unsupported sample format in file %s\n", fname); - goto fail; - } - - if (!(u->sink_input = pa_sink_input_new(sink, __FILE__, fname, &ss, NULL, 0, -1))) - goto fail; - - if (volume) - u->sink_input->volume = *volume; - u->sink_input->peek = sink_input_peek; - u->sink_input->drop = sink_input_drop; - u->sink_input->kill = sink_input_kill; - u->sink_input->userdata = u; - - pa_sink_notify(sink); - - return 0; - -fail: - if (u) - free_userdata(u); - - return -1; -} |