myvtm/Other/unix/libaudioframework/audiofile.c

#include "precompile.h"
#include "audiofile.h"
#include "audiolog.h"

apr_status_t audiofile_init(apr_pool_t *pool, 
							audioengine_t *engine, 
							const char *file, 
							int opt, 
							audiofile_t *audiofile)
{
	audiofile->file = apr_pstrdup(pool, file);
	audiostream_init(engine, NULL, &audiofile->base);
	audiofile->base.direction = (opt & AUDIO_FILE_OPT_PLAY) ? STREAM_DIR_READ: STREAM_DIR_WRITE;
	audiofile->opt = opt;

	if (opt & AUDIO_FILE_OPT_RECORD) {
		audiofile->file_handle = CreateFileA(file, GENERIC_WRITE, FILE_SHARE_READ, 
			NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
		if (audiofile->file_handle)
			SetEndOfFile(audiofile->file_handle);
	} else if (opt & AUDIO_FILE_OPT_PLAY) {
		audiofile->file_handle = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, 
			NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	} else {
		return APR_EGENERAL;
	}

	if (audiofile->file_handle == INVALID_HANDLE_VALUE) {
		audio_log_v(AUDIO_LOG_LEVEL_ERROR,"create file %s failed", file);
		return apr_get_os_error();
	}

	return APR_SUCCESS;
}

void audiofile_term(audiofile_t *audiofile)
{
	if (audiofile->file_handle != INVALID_HANDLE_VALUE) {
		CloseHandle(audiofile->file_handle);
		audiofile->file_handle = INVALID_HANDLE_VALUE;
	}
}