diff options
Diffstat (limited to 'thirdparty/libmpcdec/mpc_reader.c')
| -rw-r--r-- | thirdparty/libmpcdec/mpc_reader.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/thirdparty/libmpcdec/mpc_reader.c b/thirdparty/libmpcdec/mpc_reader.c deleted file mode 100644 index 550c5ecb54..0000000000 --- a/thirdparty/libmpcdec/mpc_reader.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - Copyright (c) 2005-2009, The Musepack Development Team - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials provided - with the distribution. - - * Neither the name of the The Musepack Development Team nor the - names of its contributors may be used to endorse or promote - products derived from this software without specific prior - written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -/// \file mpc_reader.c -/// Contains implementations for simple file-based mpc_reader -#include <mpc/reader.h> -#include "internal.h" -#include <stdio.h> -#include <string.h> // memset() - -#define STDIO_MAGIC 0xF34B963C ///< Just a random safe-check value... -typedef struct mpc_reader_stdio_t { - FILE *p_file; - int file_size; - mpc_bool_t is_seekable; - mpc_int32_t magic; -} mpc_reader_stdio; - -/// mpc_reader callback implementations -static mpc_int32_t -read_stdio(mpc_reader *p_reader, void *ptr, mpc_int32_t size) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return MPC_STATUS_FILE; - return (mpc_int32_t) fread(ptr, 1, size, p_stdio->p_file); -} - -static mpc_bool_t -seek_stdio(mpc_reader *p_reader, mpc_int32_t offset) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return MPC_FALSE; - return p_stdio->is_seekable ? fseek(p_stdio->p_file, offset, SEEK_SET) == 0 : MPC_FALSE; -} - -static mpc_int32_t -tell_stdio(mpc_reader *p_reader) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return MPC_STATUS_FILE; - return ftell(p_stdio->p_file); -} - -static mpc_int32_t -get_size_stdio(mpc_reader *p_reader) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return MPC_STATUS_FILE; - return p_stdio->file_size; -} - -static mpc_bool_t -canseek_stdio(mpc_reader *p_reader) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return MPC_FALSE; - return p_stdio->is_seekable; -} - -mpc_status -mpc_reader_init_stdio_stream(mpc_reader * p_reader, FILE * p_file) -{ - mpc_reader tmp_reader; mpc_reader_stdio *p_stdio; int err; - - p_stdio = NULL; - memset(&tmp_reader, 0, sizeof tmp_reader); - p_stdio = malloc(sizeof *p_stdio); - if(!p_stdio) return MPC_STATUS_FILE; - memset(p_stdio, 0, sizeof *p_stdio); - - p_stdio->magic = STDIO_MAGIC; - p_stdio->p_file = p_file; - p_stdio->is_seekable = MPC_TRUE; - err = fseek(p_stdio->p_file, 0, SEEK_END); - if(err < 0) goto clean; - err = ftell(p_stdio->p_file); - if(err < 0) goto clean; - p_stdio->file_size = err; - err = fseek(p_stdio->p_file, 0, SEEK_SET); - if(err < 0) goto clean; - - tmp_reader.data = p_stdio; - tmp_reader.canseek = canseek_stdio; - tmp_reader.get_size = get_size_stdio; - tmp_reader.read = read_stdio; - tmp_reader.seek = seek_stdio; - tmp_reader.tell = tell_stdio; - - *p_reader = tmp_reader; - return MPC_STATUS_OK; -clean: - if(p_stdio && p_stdio->p_file) - fclose(p_stdio->p_file); - free(p_stdio); - return MPC_STATUS_FILE; -} - -mpc_status -mpc_reader_init_stdio(mpc_reader *p_reader, const char *filename) -{ - FILE * stream = fopen(filename, "rb"); - if (stream == NULL) return MPC_STATUS_FILE; - return mpc_reader_init_stdio_stream(p_reader,stream); -} - -void -mpc_reader_exit_stdio(mpc_reader *p_reader) -{ - mpc_reader_stdio *p_stdio = (mpc_reader_stdio*) p_reader->data; - if(p_stdio->magic != STDIO_MAGIC) return; - fclose(p_stdio->p_file); - free(p_stdio); - p_reader->data = NULL; -} - |