remove ao format

app/src/main/cpp/sox/ao.c

@@ -1,134 +0,0 @@
-/* libao player support for sox
- * (c) Reuben Thomas <rrt@sc3d.org> 2007
- *
- * This library 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 2.1 of the License, or (at
- * your option) any later version.
- *
- * This library 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 Lesser
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "sox_i.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ao/ao.h>
-
-typedef struct {
-  int driver_id;
-  ao_device *device;
-  ao_sample_format format;
-  char *buf;
-  size_t buf_size;
-} priv_t;
-
-static int startwrite(sox_format_t * ft)
-{
-  priv_t * ao = (priv_t *)ft->priv;
-
-  ao->buf_size = sox_globals.bufsiz - (sox_globals.bufsiz % (ft->encoding.bits_per_sample >> 3));
-  ao->buf_size *= (ft->encoding.bits_per_sample >> 3);
-  ao->buf = lsx_malloc(ao->buf_size);
-
-  if (!ao->buf)
-  {
-      lsx_fail_errno(ft, SOX_ENOMEM, "Can not allocate memory for ao driver");
-      return SOX_EOF;
-  }
-
-
-  ao_initialize();
-  if (strcmp(ft->filename,"default") == 0)
-  {
-      if ((ao->driver_id = ao_default_driver_id()) < 0) {
-          lsx_fail("Could not find a default ao driver");
-          return SOX_EOF;
-      }
-  }
-  else
-  {
-      if ((ao->driver_id = ao_driver_id(ft->filename)) < 0) {
-          lsx_fail("Could not find a ao driver %s", ft->filename);
-          return SOX_EOF;
-      }
-  }
-
-  ao->format.bits = ft->encoding.bits_per_sample;
-  ao->format.rate = ft->signal.rate;
-  ao->format.channels = ft->signal.channels;
-  ao->format.byte_format = AO_FMT_NATIVE;
-  if ((ao->device = ao_open_live(ao->driver_id, &ao->format, NULL)) == NULL) {
-    lsx_fail("Could not open device: error %d", errno);
-    return SOX_EOF;
-  }
-
-  return SOX_SUCCESS;
-}
-
-static void sox_sw_write_buf(char *buf1, sox_sample_t const * buf2, size_t len, sox_bool swap, sox_uint64_t * clips)
-{
-    while (len--)
-    {
-        SOX_SAMPLE_LOCALS;
-        uint16_t datum = SOX_SAMPLE_TO_SIGNED_16BIT(*buf2++, *clips);
-        if (swap)
-            datum = lsx_swapw(datum);
-        *(uint16_t *)buf1 = datum;
-        buf1++; buf1++;
-    }
-}
-
-static size_t write_samples(sox_format_t *ft, const sox_sample_t *buf, size_t len)
-{
-  priv_t * ao = (priv_t *)ft->priv;
-  uint_32 aobuf_size;
-
-  if (len > ao->buf_size / (ft->encoding.bits_per_sample >> 3))
-      len = ao->buf_size / (ft->encoding.bits_per_sample >> 3);
-
-  aobuf_size = (ft->encoding.bits_per_sample >> 3) * len;
-
-  sox_sw_write_buf(ao->buf, buf, len, ft->encoding.reverse_bytes,
-                   &(ft->clips));
-  if (ao_play(ao->device, (void *)ao->buf, aobuf_size) == 0)
-    return 0;
-
-  return len;
-}
-
-static int stopwrite(sox_format_t * ft)
-{
-  priv_t * ao = (priv_t *)ft->priv;
-
-  free(ao->buf);
-
-  if (ao_close(ao->device) == 0) {
-    lsx_fail("Error closing libao output");
-    return SOX_EOF;
-  }
-  ao_shutdown();
-
-  return SOX_SUCCESS;
-}
-
-LSX_FORMAT_HANDLER(ao)
-{
-  static char const * const names[] = {"ao", NULL};
-  static unsigned const encodings[] = {SOX_ENCODING_SIGN2, 16, 0, 0};
-  static sox_format_handler_t const handler = {SOX_LIB_VERSION_CODE,
-    "Xiph's libao device driver", names, SOX_FILE_DEVICE | SOX_FILE_NOSTDIO,
-    NULL, NULL, NULL,
-    startwrite, write_samples, stopwrite,
-    NULL, encodings, NULL, sizeof(priv_t)
-  };
-  return &handler;
-}