// SPDX-License-Identifier: GPL-2.0

//

// container-raw.c - a parser/builder for a container with raw data frame.

//

// Copyright (c) 2018 Takashi Sakamoto <o-takashi@sakamocchi.jp>

//

// Licensed under the terms of the GNU General Public License, version 2.

#include "container.h"

#include "misc.h"

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

static int raw_builder_pre_process(struct container_context *cntr,

				   snd_pcm_format_t *sample_format,

				   unsigned int *samples_per_frame,

				   unsigned int *frames_per_second,

				   uint64_t *byte_count)

{

	*byte_count = UINT64_MAX;

	return 0;

}

static int raw_parser_pre_process(struct container_context *cntr,

				  snd_pcm_format_t *sample_format,

				  unsigned int *samples_per_frame,

				  unsigned int *frames_per_second,

				  uint64_t *byte_count)

{

	struct stat buf = {0};

	int err;

	if (cntr->stdio) {

		*byte_count = UINT64_MAX;

		return 0;

	}

	err = fstat(cntr->fd, &buf;;

	if (err < 0)

		return err;

	*byte_count = buf.st_size;

	if (*byte_count == 0)

		*byte_count = UINT64_MAX;

	return 0;

}

const struct container_parser container_parser_raw = {

	.format = CONTAINER_FORMAT_RAW,

	.max_size = UINT64_MAX,

	.ops = {

		.pre_process = raw_parser_pre_process,

	},

};

const struct container_builder container_builder_raw = {

	.format = CONTAINER_FORMAT_RAW,

	.max_size = UINT64_MAX,

	.ops = {

		.pre_process = raw_builder_pre_process,

	},

};