diff options
Diffstat (limited to 'ext/wavpack/gstwavpackcommon.c')
-rw-r--r-- | ext/wavpack/gstwavpackcommon.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/ext/wavpack/gstwavpackcommon.c b/ext/wavpack/gstwavpackcommon.c deleted file mode 100644 index ad161867..00000000 --- a/ext/wavpack/gstwavpackcommon.c +++ /dev/null @@ -1,98 +0,0 @@ -/* GStreamer Wavpack plugin - * Copyright (c) 2005 Arwed v. Merkatz <v.merkatz@gmx.net> - * Copyright (c) 1998 - 2005 Conifer Software - * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org> - * - * gstwavpackcommon.c: common helper functions - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; 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 "gstwavpackcommon.h" -#include <string.h> - -GST_DEBUG_CATEGORY_EXTERN (wavpack_debug); -#define GST_CAT_DEFAULT wavpack_debug - -gboolean -gst_wavpack_read_header (WavpackHeader * header, guint8 * buf) -{ - g_memmove (header, buf, sizeof (WavpackHeader)); - -#ifndef WAVPACK_OLD_API - WavpackLittleEndianToNative (header, WavpackHeaderFormat); -#else - little_endian_to_native (header, WavpackHeaderFormat); -#endif - - return (memcmp (header->ckID, "wvpk", 4) == 0); -} - -/* inspired by the original one in wavpack */ -gboolean -gst_wavpack_read_metadata (GstWavpackMetadata * wpmd, guint8 * header_data, - guint8 ** p_data) -{ - WavpackHeader hdr; - guint8 *end; - - gst_wavpack_read_header (&hdr, header_data); - end = header_data + hdr.ckSize + 8; - - if (end - *p_data < 2) - return FALSE; - - wpmd->id = GST_READ_UINT8 (*p_data); - wpmd->byte_length = 2 * (guint) GST_READ_UINT8 (*p_data + 1); - - *p_data += 2; - - if ((wpmd->id & ID_LARGE) == ID_LARGE) { - guint extra; - - wpmd->id &= ~ID_LARGE; - - if (end - *p_data < 2) - return FALSE; - - extra = GST_READ_UINT16_LE (*p_data); - wpmd->byte_length += (extra << 9); - *p_data += 2; - } - - if ((wpmd->id & ID_ODD_SIZE) == ID_ODD_SIZE) { - wpmd->id &= ~ID_ODD_SIZE; - --wpmd->byte_length; - } - - if (wpmd->byte_length > 0) { - if (end - *p_data < wpmd->byte_length + (wpmd->byte_length & 1)) { - wpmd->data = NULL; - return FALSE; - } - - wpmd->data = *p_data; - *p_data += wpmd->byte_length + (wpmd->byte_length & 1); - } else { - wpmd->data = NULL; - } - - return TRUE; -} |