From 8dd45c0027604b6ff82807760da7a77da4e1b4b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Tue, 18 Jul 2006 14:08:06 +0000 Subject: configure.ac: Check for wavpack version and define WAVPACK_OLD_API if necessary. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Original commit message from CVS: Patch by: Sebastian Dröge * configure.ac: Check for wavpack version and define WAVPACK_OLD_API if necessary. * ext/wavpack/Makefile.am: * ext/wavpack/gstwavpackcommon.c: (gst_wavpack_read_header), (gst_wavpack_read_metadata): * ext/wavpack/gstwavpackcommon.h: * ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_base_init), (gst_wavpack_dec_class_init), (gst_wavpack_dec_init), (gst_wavpack_dec_finalize), (gst_wavpack_dec_format_samples), (gst_wavpack_dec_clip_outgoing_buffer), (gst_wavpack_dec_chain), (gst_wavpack_dec_sink_event), (gst_wavpack_dec_change_state), (gst_wavpack_dec_request_new_pad), (gst_wavpack_dec_plugin_init): * ext/wavpack/gstwavpackdec.h: * ext/wavpack/gstwavpackenc.c: (gst_wavpack_enc_class_init), (gst_wavpack_enc_init), (gst_wavpack_enc_finalize), (gst_wavpack_enc_set_wp_config): * ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_base_init), (gst_wavpack_parse_finalize), (gst_wavpack_parse_class_init), (gst_wavpack_parse_index_get_entry_from_sample), (gst_wavpack_parse_scan_to_find_sample), (gst_wavpack_parse_handle_seek_event), (gst_wavpack_parse_create_src_pad): * ext/wavpack/gstwavpackstreamreader.c: * ext/wavpack/gstwavpackstreamreader.h: Port to new/official wavpack API, don't use API that was exported in wavpack header files and in the lib but meant to be private, at least not for recent wavpack versions; misc. 'cleanups' (#347443). --- ext/wavpack/gstwavpackstreamreader.c | 106 +++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 ext/wavpack/gstwavpackstreamreader.c (limited to 'ext/wavpack/gstwavpackstreamreader.c') diff --git a/ext/wavpack/gstwavpackstreamreader.c b/ext/wavpack/gstwavpackstreamreader.c new file mode 100644 index 00000000..9b3c0bfe --- /dev/null +++ b/ext/wavpack/gstwavpackstreamreader.c @@ -0,0 +1,106 @@ +/* GStreamer Wavpack plugin + * Copyright (c) 2006 Sebastian Dröge + * + * gstwavpackstreamreader.c: stream reader used for decoding + * + * 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. + */ + +#include +#include +#include + +#include "gstwavpackstreamreader.h" + +static int32_t +gst_wavpack_stream_reader_read_bytes (void *id, void *data, int32_t bcount) +{ + read_id *rid = (read_id *) id; + uint32_t left = rid->length - rid->position; + uint32_t to_read = MIN (left, bcount); + + if (to_read > 0) { + g_memmove (data, rid->buffer + rid->position, to_read); + rid->position += to_read; + return to_read; + } else { + return 0; + } +} + +static uint32_t +gst_wavpack_stream_reader_get_pos (void *id) +{ + return ((read_id *) id)->position; +} + +static int +gst_wavpack_stream_reader_set_pos_abs (void *id, uint32_t pos) +{ + return -1; +} + +static int +gst_wavpack_stream_reader_set_pos_rel (void *id, int32_t delta, int mode) +{ + return -1; +} + +static int +gst_wavpack_stream_reader_push_back_byte (void *id, int c) +{ + read_id *rid = (read_id *) id; + + rid->position -= 1; + if (rid->position < 0) + rid->position = 0; + return rid->position; +} + +static uint32_t +gst_wavpack_stream_reader_get_length (void *id) +{ + return ((read_id *) id)->length; +} + +static int +gst_wavpack_stream_reader_can_seek (void *id) +{ + return FALSE; +} + +static int32_t +gst_wavpack_stream_reader_write_bytes (void *id, void *data, int32_t bcount) +{ + return 0; +} + +WavpackStreamReader * +gst_wavpack_stream_reader_new () +{ + WavpackStreamReader *stream_reader = + (WavpackStreamReader *) g_malloc0 (sizeof (WavpackStreamReader)); + stream_reader->read_bytes = gst_wavpack_stream_reader_read_bytes; + stream_reader->get_pos = gst_wavpack_stream_reader_get_pos; + stream_reader->set_pos_abs = gst_wavpack_stream_reader_set_pos_abs; + stream_reader->set_pos_rel = gst_wavpack_stream_reader_set_pos_rel; + stream_reader->push_back_byte = gst_wavpack_stream_reader_push_back_byte; + stream_reader->get_length = gst_wavpack_stream_reader_get_length; + stream_reader->can_seek = gst_wavpack_stream_reader_can_seek; + stream_reader->write_bytes = gst_wavpack_stream_reader_write_bytes; + + return stream_reader; +} -- cgit v1.2.1