mirror of
https://github.com/alsa-project/alsa-utils
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66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// container-raw.c - a parser/builder for a container with raw data frame.
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//
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// Copyright (c) 2018 Takashi Sakamoto <o-takashi@sakamocchi.jp>
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//
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// Licensed under the terms of the GNU General Public License, version 2.
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#include "container.h"
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#include "misc.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static int raw_builder_pre_process(struct container_context *,
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snd_pcm_format_t *,
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unsigned int *,
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unsigned int *,
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uint64_t *byte_count)
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{
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*byte_count = UINT64_MAX;
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return 0;
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}
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static int raw_parser_pre_process(struct container_context *cntr,
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snd_pcm_format_t *,
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unsigned int *,
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unsigned int *,
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uint64_t *byte_count)
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{
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struct stat buf = {0};
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int err;
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if (cntr->stdio) {
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*byte_count = UINT64_MAX;
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return 0;
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}
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err = fstat(cntr->fd, &buf);
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if (err < 0)
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return err;
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*byte_count = buf.st_size;
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if (*byte_count == 0)
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*byte_count = UINT64_MAX;
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return 0;
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}
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const struct container_parser container_parser_raw = {
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.format = CONTAINER_FORMAT_RAW,
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.max_size = UINT64_MAX,
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.ops = {
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.pre_process = raw_parser_pre_process,
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},
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};
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const struct container_builder container_builder_raw = {
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.format = CONTAINER_FORMAT_RAW,
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.max_size = UINT64_MAX,
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.ops = {
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.pre_process = raw_builder_pre_process,
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},
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};
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