/*
- * Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2008-2009 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file afh.c Paraslash's standalone audio format handler tool. */
#include <dirent.h>
+#include <sys/time.h>
#include "para.h"
#include "string.h"
const char *status_item_list[] = {STATUS_ITEM_ARRAY};
INIT_AFH_ERRLISTS;
-INIT_STDERR_LOGGING(conf.loglevel_arg)
-int main(int argc, char **argv)
-{
- int i, ret;
- void *audio_file_data;
- size_t audio_file_size;
- struct afh_info afhi;
+static int loglevel;
+INIT_STDERR_LOGGING(loglevel)
- afh_cmdline_parser(argc, argv, &conf);
- HANDLE_VERSION_FLAG("afh", conf);
- ret = -E_AFH_SYNTAX;
- if (conf.inputs_num != 1)
- goto out;
- afh_init();
- ret = mmap_full_file(conf.inputs[0], O_RDONLY, &audio_file_data,
- &audio_file_size, NULL);
- if (ret < 0)
- goto out;
- ret = compute_afhi(conf.inputs[0], audio_file_data, audio_file_size, &afhi);
- if (ret < 0)
- goto out;
+static void print_info(int audio_format_num, struct afh_info *afhi)
+{
printf("%s: %dkbit/s\n" /* bitrate */
"%s: %s\n" /* format */
"%s: %dHz\n" /* frequency */
"%s" /* tag info */
"%s: %lu: %lu\n" /* chunk time */
"%s: %lu\n", /* num chunks */
- status_item_list[SI_BITRATE], afhi.bitrate,
- status_item_list[SI_FORMAT], audio_format_name(ret),
- status_item_list[SI_FREQUENCY], afhi.frequency,
- status_item_list[SI_CHANNELS], afhi.channels,
- status_item_list[SI_SECONDS_TOTAL], afhi.seconds_total,
- afhi.info_string,
- status_item_list[SI_CHUNK_TIME], (long unsigned)afhi.chunk_tv.tv_sec,
- (long unsigned)afhi.chunk_tv.tv_usec,
- status_item_list[SI_NUM_CHUNKS], afhi.chunks_total
+ status_item_list[SI_BITRATE], afhi->bitrate,
+ status_item_list[SI_FORMAT], audio_format_name(audio_format_num),
+ status_item_list[SI_FREQUENCY], afhi->frequency,
+ status_item_list[SI_CHANNELS], afhi->channels,
+ status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
+ afhi->info_string,
+ status_item_list[SI_CHUNK_TIME], (long unsigned)afhi->chunk_tv.tv_sec,
+ (long unsigned)afhi->chunk_tv.tv_usec,
+ status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
);
- ret = 1;
- if (!conf.chunk_table_given)
- goto out;
+}
+
+static void print_chunk_table(struct afh_info *afhi)
+{
+ int i;
+
printf("chunk_table: ");
- for (i = 0; i <= afhi.chunks_total; i++)
- printf("%u ", afhi.chunk_table[i]);
+ for (i = 0; i <= afhi->chunks_total; i++)
+ printf("%u ", afhi->chunk_table[i]);
printf("\n");
- ret = 1;
+}
+
+static int cat_file(void *audio_file_data, struct afh_info *afhi)
+{
+ int ret;
+ struct timeval stream_start;
+ long unsigned i, first_chunk, last_chunk;
+ const char *buf;
+ size_t size;
+
+
+ if (conf.begin_chunk_arg < 0) {
+ if (-conf.begin_chunk_arg > afhi->chunks_total)
+ return -ERRNO_TO_PARA_ERROR(EINVAL);
+ first_chunk = afhi->chunks_total + conf.begin_chunk_arg;
+ } else
+ first_chunk = conf.begin_chunk_arg;
+ if (conf.end_chunk_given) {
+ if (conf.end_chunk_arg < 0) {
+ if (-conf.end_chunk_arg > afhi->chunks_total)
+ return -ERRNO_TO_PARA_ERROR(EINVAL);
+ last_chunk = afhi->chunks_total + conf.end_chunk_arg;
+ } else {
+ if (conf.end_chunk_arg >= afhi->chunks_total)
+ return -ERRNO_TO_PARA_ERROR(EINVAL);
+ last_chunk = conf.end_chunk_arg;
+ }
+ } else
+ last_chunk = afhi->chunks_total - 1;
+ if (first_chunk >= last_chunk)
+ return -ERRNO_TO_PARA_ERROR(EINVAL);
+ if (!afhi->chunks_total)
+ return 1;
+ afh_get_header(afhi, audio_file_data, &buf, &size);
+ if (size && first_chunk && !conf.no_header_given) {
+ PARA_INFO_LOG("writing audio file header (%zu bytes)\n", size);
+ ret = write(STDOUT_FILENO, buf, size);
+ if (ret < 0)
+ return ret;
+ if (ret != size)
+ return -E_AFH_SHORT_WRITE;
+ }
+ PARA_NOTICE_LOG("writing chunks %lu - %lu\n", first_chunk, last_chunk);
+ gettimeofday(&stream_start, NULL);
+ for (i = first_chunk; i <= last_chunk; i++) {
+ struct timeval now, diff, next_chunk;
+ afh_get_chunk(i, afhi, audio_file_data, &buf, &size);
+ PARA_DEBUG_LOG("chunk %lu: size %zu\n", i, size);
+ if (conf.just_in_time_given) {
+ compute_chunk_time(i - first_chunk, &afhi->chunk_tv,
+ &stream_start, &next_chunk);
+ gettimeofday(&now, NULL);
+ ret = tv_diff(&next_chunk, &now, &diff);
+ if (ret > 0) {
+ ret = para_select(1, NULL, NULL, &diff);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ if (!size)
+ continue;
+ PARA_INFO_LOG("writing chunk %lu\n", i);
+ ret = write_all(STDOUT_FILENO, buf, &size);
+ if (ret < 0)
+ return ret;
+ }
+ return 1;
+}
+
+/**
+ * The main function of para_afh.
+ *
+ * \param argc Usual argument count.
+ * \param argv Usual argument vector.
+ *
+ * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
+ */
+int main(int argc, char **argv)
+{
+ int i, ret, audio_format_num, fd;
+ void *audio_file_data;
+ size_t audio_file_size;
+ struct afh_info afhi;
+
+ afh_cmdline_parser(argc, argv, &conf);
+ HANDLE_VERSION_FLAG("afh", conf);
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
+ ret = -E_AFH_SYNTAX;
+ if (conf.inputs_num == 0)
+ goto out;
+ if (conf.stream_given && conf.inputs_num != 1)
+ goto out;
+ afh_init();
+ for (i = 0; i < conf.inputs_num; i++) {
+ int ret2;
+ ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,
+ &audio_file_size, &fd);
+ if (ret < 0)
+ goto out;
+ ret = compute_afhi(conf.inputs[i], audio_file_data, audio_file_size,
+ fd, &afhi);
+ if (ret < 0)
+ goto out;
+ audio_format_num = ret;
+ if (conf.stream_given)
+ ret = cat_file(audio_file_data, &afhi);
+ else {
+ printf("File %d: %s\n", i + 1, conf.inputs[i]);
+ print_info(audio_format_num, &afhi);
+ if (conf.chunk_table_given)
+ print_chunk_table(&afhi);
+ printf("\n");
+ }
+ free(afhi.chunk_table);
+ free(afhi.info_string);
+ ret2 = para_munmap(audio_file_data, audio_file_size);
+ if (ret2 < 0 && ret >= 0)
+ ret = ret2;
+ if (ret < 0)
+ break;
+ }
out:
if (ret < 0)
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
projects / paraslash.git / blobdiff