audiod: Fix error checking in init_default_filters().

[paraslash.git] / mp3_afh.c

diff --git a/mp3_afh.c b/mp3_afh.c
index 382b0e9091c4cb3d6679f9779ad6faff9fb1fe15..652aa70cda050ae3c58202e856921a02ac7c06cd 100644 (file)
--- a/mp3_afh.c
+++ b/mp3_afh.c
@@ -1,8 +1,4 @@
-/*
- * Copyright (C) 2003 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2003 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file mp3_afh.c para_server's mp3 audio format handler */
 
@@ -41,9 +37,6 @@ struct mp3header {
        unsigned int freq;
        unsigned int padding;
        unsigned int mode;
-       unsigned int copyright;
-       unsigned int original;
-       unsigned int emphasis;
 };
 
 static const int frequencies[3][4] = {
@@ -67,8 +60,6 @@ static const int mp3info_bitrate[2][3][14] = {
 };
 
 static const int frame_size_index[] = {24000, 72000, 72000};
-static const char *mode_text[] = {"stereo", "joint stereo", "dual channel", "mono", "invalid"};
-
 #ifdef HAVE_ID3TAG
 
 #include <id3tag.h>
@@ -238,7 +229,7 @@ static int replace_tag(char const *id, const char *val, struct id3_tag *id3_t,
        if (!val || !*val)
                return 0;
        fr = id3_frame_new(id);
-       PARA_DEBUG_LOG("frame desc: %s, %d fields\n", fr->description, fr->nfields);
+       PARA_DEBUG_LOG("frame desc: %s, %u fields\n", fr->description, fr->nfields);
 
        /* Frame 0 contains the encoding. We always use UTF-8. */
        field = id3_frame_field(fr, 0);
@@ -437,10 +428,13 @@ static int header_frequency(struct mp3header *h)
        return frequencies[h->version][h->freq];
 }
 
-static const char *header_mode(struct mp3header *h)
+static const char *header_mode(const struct mp3header *h)
 {
-       if (h->mode > 4)
-               h->mode = 4; /* invalid */
+       const char * const mode_text[] = {"stereo", "joint stereo",
+               "dual channel", "mono"};
+
+       if (h->mode >= ARRAY_SIZE(mode_text))
+               return "invalid";
        return mode_text[h->mode];
 }
 
@@ -476,7 +470,7 @@ static int frame_length(struct mp3header *header)
                + header->padding;
 }
 
-static int compare_headers(struct mp3header *h1,struct mp3header *h2)
+static int compare_headers(struct mp3header *h1, struct mp3header *h2)
 {
        if ((*(unsigned int*)h1) == (*(unsigned int*)h2))
                return 1;
@@ -484,10 +478,7 @@ static int compare_headers(struct mp3header *h1,struct mp3header *h2)
                        (h1->layer == h2->layer) &&
                        (h1->crc == h2->crc) &&
                        (h1->freq == h2->freq) &&
-                       (h1->mode == h2->mode) &&
-                       (h1->copyright == h2->copyright) &&
-                       (h1->original == h2->original) &&
-                       (h1->emphasis == h2->emphasis))
+                       (h1->mode == h2->mode))
                return 1;
        return 0;
 }
@@ -655,14 +646,14 @@ static int mp3_read_info(unsigned char *map, size_t numbytes, int fd,
        afhi->channels = header_channels(&header);
        afhi->seconds_total = (tv2ms(&total_time) + 500) / 1000;
        tv_divide(afhi->chunks_total, &total_time, &afhi->chunk_tv);
-       PARA_DEBUG_LOG("%" PRIu32 "chunks, each %lums\n", afhi->chunks_total,
+       PARA_DEBUG_LOG("%" PRIu32 " chunks, each %lums\n", afhi->chunks_total,
                tv2ms(&afhi->chunk_tv));
+       set_max_chunk_size(afhi);
        ret = mp3_get_id3(map, numbytes, fd, &afhi->tags);
        afhi->techinfo = make_message("%cbr, %s, %s tags", vbr? 'v' : 'c',
                header_mode(&header), tag_versions[ret]);
        return 1;
 err_out:
-       PARA_ERROR_LOG("%s\n", para_strerror(-ret));
        free(afhi->chunk_table);
        return ret;
 }
@@ -678,7 +669,7 @@ static int mp3_get_file_info(char *map, size_t numbytes, int fd,
        ret = mp3_read_info((unsigned char *)map, numbytes, fd, afhi);
        if (ret < 0)
                return ret;
-       if (afhi->seconds_total < 2 || !afhi->chunks_total)
+       if (afhi->chunks_total == 0)
                return -E_MP3_INFO;
        return 1;
 }
@@ -686,15 +677,14 @@ static int mp3_get_file_info(char *map, size_t numbytes, int fd,
 static const char * const mp3_suffixes[] = {"mp3", NULL};
 
 /**
- * the init function of the mp3 audio format handler
+ * The mp3 audio format handler.
  *
- * \param afh pointer to the struct to initialize
+ * It does not depend on any libraries and is hence always compiled in.
  */
-void mp3_init(struct audio_format_handler *afh)
-{
-       afh->get_file_info = mp3_get_file_info;
-       afh->suffixes = mp3_suffixes;
+const struct audio_format_handler mp3_afh = {
+       .get_file_info = mp3_get_file_info,
+       .suffixes = mp3_suffixes,
 #ifdef HAVE_LIBID3TAG
-       afh->rewrite_tags = mp3_rewrite_tags;
+       .rewrite_tags = mp3_rewrite_tags,
 #endif /* HAVE_LIBID3TAG */
-}
+};