Add missing newline in ls output.

[paraslash.git] / oggdec.c

diff --git a/oggdec.c b/oggdec.c
index 637fa965b3d49d3dd35966791f2b882903b570ac..3dced8a0baf58baf6617498c481668944e5ad183 100644 (file)
--- a/oggdec.c
+++ b/oggdec.c
@@ -1,19 +1,7 @@
 /*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
  *
- *     This program is free software; you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation; either version 2 of the License, or
- *     (at your option) any later version.
- *
- *     This program 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 General Public License
- *     along with this program; if not, write to the Free Software
- *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file oggdec.c paraslash's ogg vorbis decoder */
@@ -22,27 +10,29 @@
 
 #include "oggdec_filter.cmdline.h"
 #include "list.h"
+#include "sched.h"
 #include "filter.h"
 #include "error.h"
 #include "string.h"
 
 #include <vorbis/vorbisfile.h>
 
-/** \cond some internal constants */
-#define BITS 16
+/** Determine byte sex. */
+#ifdef WORDS_BIGENDIAN
+#define ENDIAN 1
+#else
 #define ENDIAN 0
-#define SIGN 1
-/** \endcond */
+#endif
 
-/** data specific to the oggdec filter */
+/** Data specific to the oggdec filter. */
 struct private_oggdec_data {
-       /** describes an ogg vorbis file */
+       /** Describes an ogg vorbis file. */
        OggVorbis_File *vf;
-       /** the input buffer */
+       /** The input buffer. */
        char *inbuf;
-       /** the length of \a inbuf */
+       /** The length of \a inbuf. */
        size_t inbuf_len;
-       /** the number of bytes consumed from the input buffer */
+       /** The number of bytes consumed from the input buffer. */
        size_t converted;
 };
 
@@ -53,13 +43,13 @@ static size_t cb_read(void *buf, size_t size, size_t nmemb, void *datasource)
        size_t ret, have = pod->inbuf_len - pod->converted;
        char *p = pod->inbuf + pod->converted;
 
-       if (*fn->fc->eof)
-               return 0;
 //     PARA_DEBUG_LOG("pod = %p\n", pod);
 //     PARA_DEBUG_LOG("vorbis requests %d bytes, have %d\n", size * nmemb, have);
        if (pod->inbuf_len < size) {
+               if (*fn->fc->input_eof)
+                       return 0;
                errno = EAGAIN;
-               return -1;
+               return (size_t)-1;
        }
        ret = PARA_MIN(nmemb, have / size) * size;
        memcpy(buf, p, ret);
@@ -133,9 +123,9 @@ static ssize_t ogg_convert(char *inbuffer, size_t len, struct filter_node *fn)
 
        if (!pod->vf) {
                int ib = 1024 * conf->initial_buffer_arg; /* initial buffer */
-               if (len <ib && !*fn->fc->eof && !fn->fc->error) {
-                       PARA_INFO_LOG("initial input buffer %zd/%d, waiting for more data\n",
-                               len, ib);
+               if (len <ib && !*fn->fc->input_eof) {
+                       PARA_DEBUG_LOG("initial input buffer %zd/%d, "
+                               "waiting for more data\n", len, ib);
                        return 0;
                }
                pod->vf = para_malloc(sizeof(struct OggVorbis_File));
@@ -156,19 +146,19 @@ static ssize_t ogg_convert(char *inbuffer, size_t len, struct filter_node *fn)
                        return -E_OGGDEC_FAULT;
                fn->fc->channels = ov_info(pod->vf, 0)->channels;
                fn->fc->samplerate = ov_info(pod->vf, 0)->rate;
-               PARA_NOTICE_LOG("%d channels, %d Hz\n", fn->fc->channels, fn->fc->samplerate);
+               PARA_NOTICE_LOG("%d channels, %d Hz\n", fn->fc->channels,
+                       fn->fc->samplerate);
        }
-again:
-       ret = ov_read(pod->vf, fn->buf + fn->loaded, fn->bufsize - fn->loaded,
-               ENDIAN, BITS / 8, SIGN, NULL);
-       if (ret == OV_HOLE || !ret) {
-               return pod->converted;
+       while (!*fn->fc->input_eof && fn->loaded < fn->bufsize) {
+               int length = fn->bufsize - fn->loaded;
+               long read_ret = ov_read(pod->vf, fn->buf + fn->loaded, length,
+                       ENDIAN, 2 /* 16 bit */, 1 /* signed */, NULL);
+               if (read_ret == OV_HOLE || !read_ret)
+                       return pod->converted;
+               if (read_ret < 0)
+                       return -E_OGGDEC_BADLINK;
+               fn->loaded += read_ret;
        }
-       if (ret < 0)
-               return -E_OGGDEC_BADLINK;
-       fn->loaded += ret;
-       if (!*fn->fc->eof && !fn->fc->error && fn->loaded < fn->bufsize)
-               goto again;
        return pod->converted;
 }
 
@@ -181,7 +171,11 @@ static void *oggdec_parse_config(int argc, char **argv)
        return NULL;
 }
 
-/** the init function of the ogg vorbis decoder */
+/**
+ * The init function of the ogg vorbis decoder.
+ *
+ * \param f Its fields are filled in by the function.
+ */
 void oggdec_init(struct filter *f)
 {
        f->open = ogg_open;