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/*
* Copyright (C) 2022 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2022 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 24 окт. 2022 г.
*
* lsp-runtime-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-runtime-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-runtime-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_FMT_LSPC_UTIL_AUDIO_H_
#define LSP_PLUG_IN_FMT_LSPC_UTIL_AUDIO_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/fmt/lspc/File.h>
#include <lsp-plug.in/fmt/lspc/IAudioFormatSelector.h>
#include <lsp-plug.in/mm/IInAudioStream.h>
#include <lsp-plug.in/mm/IOutAudioStream.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/runtime/LSPString.h>
namespace lsp
{
namespace lspc
{
/**
* Write audio file as a dedicated chunk to the LSPC file
* @param chunk_id pointer to store allocated chunk identifier, can be NULL
* @param file the LSPC file to write the chunk
* @param is audio input stream to read data
* @param buf_size size of buffer for I/O operations
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t write_audio(
chunk_id_t *chunk_id, File *file,
const char *path, IAudioFormatSelector *selector = NULL, size_t buf_size = 0x1000);
LSP_RUNTIME_LIB_PUBLIC
status_t write_audio(
chunk_id_t *chunk_id, File *file,
const io::Path *path, IAudioFormatSelector *selector = NULL, size_t buf_size = 0x1000);
LSP_RUNTIME_LIB_PUBLIC
status_t write_audio(
chunk_id_t *chunk_id, File *file,
const LSPString *path, IAudioFormatSelector *selector = NULL, size_t buf_size = 0x1000);
/**
* Write audio entry from memory to the LSPC file
* @param chunk_id pointer to store allocated chunk identifier, can be NULL
* @param file the LSPC file to write the chunk
* @param frames pointer to the array with packed frames
* @param params audio parameters
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t write_audio(
chunk_id_t *chunk_id, File *file,
const float *frames, const audio_parameters_t *params);
/**
* Write audio file as a dedicated chunk to the LSPC file
* @param chunk_id pointer to store allocated chunk identifier, can be NULL
* @param file the LSPC file to write the chunk
* @param is audio input stream to read data
* @param selector audio format selector, default one will be used if none provided
* @param buf_size size of buffer for I/O operations
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t write_audio(
chunk_id_t *chunk_id, File *file,
mm::IInAudioStream *is, IAudioFormatSelector *selector = NULL, size_t buf_size = 0x1000);
/**
* Read audio entry from LSPC file to other file
* @param chunk_id chunk identifier
* @param file the LSPC file to read the chunk
* @param path path to destination file
* @param format output audio format (@see mm::IOutAudioStream specificaion)
* @param codec output audio codec (@see mm::IOutAudioStream specificaion)
* @param buf_size size of buffer of I/O operations
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(
chunk_id_t chunk_id, File *file,
const char *path, size_t format, size_t codec, size_t buf_size = 0x1000);
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(
chunk_id_t chunk_id, File *file,
const LSPString *path, size_t format, size_t codec, size_t buf_size = 0x1000);
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(
chunk_id_t chunk_id, File *file,
const io::Path *path, size_t format, size_t codec, size_t buf_size = 0x1000);
/**
* Read audio entry to the memory buffer
* @param chunk_id chunk identifier
* @param file the LSPC file to read the chunk
* @param frames pointer to store audio frames converted to f32 sample format, should be free()'d by caller
* @param params audio parameters stored in the chunk
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(
chunk_id_t chunk_id, File *file,
float **frames, audio_parameters_t *params);
/**
* Read audio entry to the output audio stream
* @param chunk_id chunk identifier
* @param file the LSPC file to read the chunk
* @param os pointer to the stream to commit sample data
* @param params audio parameters stored in the chunk
* @param buf_size size of buffer of I/O operations
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(
chunk_id_t chunk_id, File *file,
mm::IOutAudioStream *os, audio_parameters_t *params, size_t buf_size = 0x1000);
/**
* Read audio entry and return the pointer to the multimedia input stream
* @param chunk_id chunk identifier
* @param file the LSPC file to read the chunk
* @param is pointer to store the multimedia audio stream
* @param buf_size size of buffer of I/O operations
* @return status of operation
*/
LSP_RUNTIME_LIB_PUBLIC
status_t read_audio(chunk_id_t chunk_id, File *file, mm::IInAudioStream **is);
} /* namespace lspc */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_FMT_LSPC_UTIL_AUDIO_H_ */
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