X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=ogg_afh.c;h=a9b07a3c676515f610dc678ad06aa5cfcbb06435;hp=d5c4726269b4d30c889f16340cb5f2ca5e86c640;hb=cd4b294da6f6802d9918c8fe5bcecb8a2a2363c3;hpb=ae0e4594c6a0312c5b4b4c0bde86f9c12253d11b diff --git a/ogg_afh.c b/ogg_afh.c index d5c47262..a9b07a3c 100644 --- a/ogg_afh.c +++ b/ogg_afh.c @@ -1,19 +1,7 @@ /* * Copyright (C) 2004-2007 Andre Noll * - * 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 ogg_afh.c para_server's ogg vorbis audio format handler */ @@ -30,9 +18,13 @@ #define CHUNK_SIZE 32768 static double chunk_time = 0.25; +/** describes a memory-mapped ogg vorbis file */ struct ogg_datasource { + /** the memory mapping */ char *map; + /** this size of the mapping */ off_t numbytes; + /** the current position in the mapping */ off_t fpos; }; @@ -102,17 +94,16 @@ static int ogg_open_callbacks(void *datasource, OggVorbis_File *vf, ov_callbacks 0, /* no initial bytes */ c); /* the ov_open_callbacks */ - /* FIXME: provide better error codes */ if (ret == OV_EREAD) return -E_OGG_READ; if (ret == OV_ENOTVORBIS) - return -E_OGG_READ; + return -E_VORBIS; if (ret == OV_EVERSION) - return -E_OGG_READ; + return -E_OGG_VERSION; if (ret == OV_EBADHEADER) - return -E_OGG_READ; + return -E_OGG_BAD_HEADER; if (ret < 0) - return -E_OGG_READ; + return -E_OGG_UNKNOWN_ERROR; return 1; } @@ -147,7 +138,7 @@ static int ogg_compute_header_len(char *map, size_t numbytes, ogg_stream_init(stream_out, serial); ret = ogg_stream_pagein(stream_in, &page); if (ret < 0) { - ret = E_STREAM_PAGEIN; + ret = -E_STREAM_PAGEIN; goto err2; } ret = ogg_stream_packetout(stream_in, &packet);