mirror of https://github.com/nu774/fdkaac.git
749 lines
25 KiB
C
749 lines
25 KiB
C
/*
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* Copyright (C) 2013 nu774
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* For conditions of distribution and use, see copyright notice in COPYING
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#if HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#elif defined(_MSC_VER)
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# define SCNd64 "I64d"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <locale.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <getopt.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if HAVE_SIGACTION
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#include <signal.h>
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#endif
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#ifdef _WIN32
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#include <io.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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#include "compat.h"
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#include "wav_reader.h"
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#include "aacenc.h"
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#include "m4af.h"
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#include "progress.h"
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#include "version.h"
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#include "metadata.h"
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#define PROGNAME "fdkaac"
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static volatile int g_interrupted = 0;
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#if HAVE_SIGACTION
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static void signal_handler(int signum)
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{
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g_interrupted = 1;
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}
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static void handle_signals(void)
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{
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int i, sigs[] = { SIGINT, SIGHUP, SIGTERM };
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for (i = 0; i < sizeof(sigs)/sizeof(sigs[0]); ++i) {
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struct sigaction sa = { 0 };
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sa.sa_handler = signal_handler;
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sa.sa_flags |= SA_RESTART;
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sigaction(sigs[i], &sa, 0);
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}
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}
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#elif defined(_WIN32)
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static BOOL WINAPI signal_handler(DWORD type)
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{
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g_interrupted = 1;
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return TRUE;
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}
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static void handle_signals(void)
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{
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SetConsoleCtrlHandler(signal_handler, TRUE);
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}
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#else
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static void handle_signals(void)
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{
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}
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#endif
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static
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int read_callback(void *cookie, void *data, uint32_t size)
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{
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size_t rc = fread(data, 1, size, (FILE*)cookie);
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return ferror((FILE*)cookie) ? -1 : (int)rc;
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}
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static
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int write_callback(void *cookie, const void *data, uint32_t size)
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{
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size_t rc = fwrite(data, 1, size, (FILE*)cookie);
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return ferror((FILE*)cookie) ? -1 : (int)rc;
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}
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static
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int seek_callback(void *cookie, int64_t off, int whence)
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{
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return fseeko((FILE*)cookie, off, whence);
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}
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static
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int64_t tell_callback(void *cookie)
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{
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return ftello((FILE*)cookie);
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}
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static
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void usage(void)
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{
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printf(
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PROGNAME " %s\n"
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"Usage: " PROGNAME " [options] input_file\n"
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"Options:\n"
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" -h, --help Print this help message\n"
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" -p, --profile <n> Profile (audio object type)\n"
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" 2: MPEG-4 AAC LC (default)\n"
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" 5: MPEG-4 HE-AAC (SBR)\n"
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" 29: MPEG-4 HE-AAC v2 (SBR+PS)\n"
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" 23: MPEG-4 AAC LD\n"
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" 39: MPEG-4 AAC ELD\n"
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" 129: MPEG-2 AAC LC\n"
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" 132: MPEG-2 HE-AAC (SBR)\n"
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" 156: MPEG-2 HE-AAC v2 (SBR+PS)\n"
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" -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n"
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" -m, --bitrate-mode <n> Bitrate configuration\n"
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" 0: CBR (default)\n"
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" 1-5: VBR\n"
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" (VBR mode is not officially supported, and\n"
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" works only on a certain combination of\n"
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" parameter settings, sample rate, and\n"
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" channel configuration)\n"
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" -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n"
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" -a, --afterburner <n> Afterburner\n"
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" 0: Off\n"
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" 1: On(default)\n"
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" -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n"
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" -s, --sbr-signaling <n> SBR signaling mode\n"
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" 0: Implicit, backward compatible(default)\n"
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" 1: Explicit SBR and implicit PS\n"
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" 2: Explicit hierarchical signaling\n"
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" -f, --transport-format <n> Transport format\n"
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" 0: RAW (default, muxed into M4A)\n"
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" 1: ADIF\n"
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" 2: ADTS\n"
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" 6: LATM MCP=1\n"
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" 7: LATM MCP=0\n"
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" 10: LOAS/LATM (LATM within LOAS)\n"
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" -C, --adts-crc-check Add CRC protection on ADTS header\n"
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" -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n"
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" transport layer\n"
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"\n"
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" -o <filename> Output filename\n"
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" --ignorelength Ignore length of WAV header\n"
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" -S, --silent Don't print progress messages\n"
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"\n"
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"Options for raw (headerless) input:\n"
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" -R, --raw Treat input as raw (by default WAV is\n"
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" assumed)\n"
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" --raw-channels <n> Number of channels (default: 2)\n"
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" --raw-rate <n> Sample rate (default: 44100)\n"
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" --raw-format <spec> Sample format, default is \"S16L\".\n"
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" Spec is as follows:\n"
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" 1st char: S(igned)|U(nsigned)|F(loat)\n"
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" 2nd part: bits per channel\n"
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" Last char: L(ittle)|B(ig)\n"
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" Last char can be omitted, in which case L is\n"
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" assumed. Spec is case insensitive, therefore\n"
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" \"u16b\" is same as \"U16B\".\n"
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"\n"
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"Tagging options:\n"
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" --title <string>\n"
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" --artist <string>\n"
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" --album <string>\n"
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" --genre <string>\n"
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" --date <string>\n"
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" --composer <string>\n"
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" --grouping <string>\n"
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" --comment <string>\n"
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" --album-artist <string>\n"
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" --track <number[/total]>\n"
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" --disk <number[/total]>\n"
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" --tempo <n>\n"
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" --tag <fcc>:<value> Set iTunes predefined tag with four char code.\n"
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" --tag-from-file <fcc>:<filename>\n"
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" Same as above, but value is read from file.\n"
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" --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n"
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" --tag-from-json <filename[?dot_notation]>\n"
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" Read tags from JSON. By default, tags are\n"
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" assumed to be direct children of the root\n"
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" object(dictionary).\n"
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" Optionally, position of the dictionary\n"
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" that contains tags can be specified with\n"
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" dotted notation.\n"
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" Example:\n"
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" --tag-from-json /path/to/json?format.tags\n"
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, fdkaac_version);
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}
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typedef struct aacenc_param_ex_t {
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AACENC_PARAMS
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char *input_filename;
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char *output_filename;
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unsigned ignore_length;
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int silent;
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int is_raw;
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unsigned raw_channels;
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unsigned raw_rate;
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const char *raw_format;
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aacenc_tag_param_t tags;
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char *json_filename;
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} aacenc_param_ex_t;
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static
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int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
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{
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int ch;
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unsigned n;
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#define OPT_RAW_CHANNELS M4AF_FOURCC('r','c','h','n')
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#define OPT_RAW_RATE M4AF_FOURCC('r','r','a','t')
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#define OPT_RAW_FORMAT M4AF_FOURCC('r','f','m','t')
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#define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g')
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#define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f')
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#define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g')
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#define OPT_TAG_FROM_JSON M4AF_FOURCC('t','f','j','s')
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static struct option long_options[] = {
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{ "help", no_argument, 0, 'h' },
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{ "profile", required_argument, 0, 'p' },
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{ "bitrate", required_argument, 0, 'b' },
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{ "bitrate-mode", required_argument, 0, 'm' },
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{ "bandwidth", required_argument, 0, 'w' },
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{ "afterburner", required_argument, 0, 'a' },
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{ "lowdelay-sbr", no_argument, 0, 'L' },
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{ "sbr-signaling", required_argument, 0, 's' },
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{ "transport-format", required_argument, 0, 'f' },
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{ "adts-crc-check", no_argument, 0, 'C' },
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{ "header-period", required_argument, 0, 'P' },
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{ "ignorelength", no_argument, 0, 'I' },
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{ "silent", no_argument, 0, 'S' },
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{ "raw", no_argument, 0, 'R' },
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{ "raw-channels", required_argument, 0, OPT_RAW_CHANNELS },
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{ "raw-rate", required_argument, 0, OPT_RAW_RATE },
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{ "raw-format", required_argument, 0, OPT_RAW_FORMAT },
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{ "title", required_argument, 0, M4AF_TAG_TITLE },
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{ "artist", required_argument, 0, M4AF_TAG_ARTIST },
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{ "album", required_argument, 0, M4AF_TAG_ALBUM },
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{ "genre", required_argument, 0, M4AF_TAG_GENRE },
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{ "date", required_argument, 0, M4AF_TAG_DATE },
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{ "composer", required_argument, 0, M4AF_TAG_COMPOSER },
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{ "grouping", required_argument, 0, M4AF_TAG_GROUPING },
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{ "comment", required_argument, 0, M4AF_TAG_COMMENT },
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{ "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST },
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{ "track", required_argument, 0, M4AF_TAG_TRACK },
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{ "disk", required_argument, 0, M4AF_TAG_DISK },
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{ "tempo", required_argument, 0, M4AF_TAG_TEMPO },
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{ "tag", required_argument, 0, OPT_SHORT_TAG },
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{ "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE },
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{ "long-tag", required_argument, 0, OPT_LONG_TAG },
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{ "tag-from-json", required_argument, 0, OPT_TAG_FROM_JSON },
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{ 0, 0, 0, 0 },
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};
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params->afterburner = 1;
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aacenc_getmainargs(&argc, &argv);
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while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:CP:Io:SR",
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long_options, 0)) != EOF) {
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switch (ch) {
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case 'h':
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return usage(), -1;
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case 'p':
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for profile\n");
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return -1;
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}
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params->profile = n;
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break;
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case 'b':
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for bitrate\n");
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return -1;
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}
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params->bitrate = n;
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break;
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case 'm':
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if (sscanf(optarg, "%u", &n) != 1 || n > 5) {
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fprintf(stderr, "invalid arg for bitrate-mode\n");
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return -1;
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}
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params->bitrate_mode = n;
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break;
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case 'w':
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for bandwidth\n");
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return -1;
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}
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params->bandwidth = n;
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break;
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case 'a':
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if (sscanf(optarg, "%u", &n) != 1 || n > 1) {
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fprintf(stderr, "invalid arg for afterburner\n");
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return -1;
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}
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params->afterburner = n;
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break;
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case 'L':
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params->lowdelay_sbr = 1;
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break;
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case 's':
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if (sscanf(optarg, "%u", &n) != 1 || n > 2) {
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fprintf(stderr, "invalid arg for sbr-signaling\n");
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return -1;
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}
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params->sbr_signaling = n;
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break;
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case 'f':
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for transport-format\n");
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return -1;
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}
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params->transport_format = n;
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break;
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case 'c':
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params->adts_crc_check = 1;
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break;
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case 'P':
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for header-period\n");
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return -1;
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}
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params->header_period = n;
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break;
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case 'o':
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params->output_filename = optarg;
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break;
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case 'I':
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params->ignore_length = 1;
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break;
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case 'S':
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params->silent = 1;
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break;
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case 'R':
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params->is_raw = 1;
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break;
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case OPT_RAW_CHANNELS:
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for raw-channels\n");
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return -1;
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}
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params->raw_channels = n;
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break;
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case OPT_RAW_RATE:
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if (sscanf(optarg, "%u", &n) != 1) {
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fprintf(stderr, "invalid arg for raw-rate\n");
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return -1;
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}
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params->raw_rate = n;
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break;
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case OPT_RAW_FORMAT:
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params->raw_format = optarg;
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break;
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case M4AF_TAG_TITLE:
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case M4AF_TAG_ARTIST:
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case M4AF_TAG_ALBUM:
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case M4AF_TAG_GENRE:
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case M4AF_TAG_DATE:
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case M4AF_TAG_COMPOSER:
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case M4AF_TAG_GROUPING:
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case M4AF_TAG_COMMENT:
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case M4AF_TAG_ALBUM_ARTIST:
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case M4AF_TAG_TRACK:
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case M4AF_TAG_DISK:
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case M4AF_TAG_TEMPO:
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aacenc_param_add_itmf_entry(¶ms->tags, ch, 0, optarg,
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strlen(optarg), 0);
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break;
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case OPT_SHORT_TAG:
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case OPT_SHORT_TAG_FILE:
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case OPT_LONG_TAG:
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{
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char *val;
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size_t klen;
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unsigned fcc = M4AF_FOURCC('-','-','-','-');
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if ((val = strchr(optarg, ':')) == 0) {
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fprintf(stderr, "invalid arg for tag\n");
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return -1;
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}
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*val++ = '\0';
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if (ch == OPT_SHORT_TAG || ch == OPT_SHORT_TAG_FILE) {
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/*
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* take care of U+00A9(COPYRIGHT SIGN).
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* 1) if length of fcc is 3, we prepend '\xa9'.
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* 2) U+00A9 becomes "\xc2\xa9" in UTF-8. Therefore
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* we remove first '\xc2'.
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*/
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if (optarg[0] == '\xc2')
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++optarg;
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if ((klen = strlen(optarg))== 3)
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fcc = 0xa9;
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else if (klen != 4) {
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fprintf(stderr, "invalid arg for tag\n");
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return -1;
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}
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for (; *optarg; ++optarg)
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fcc = ((fcc << 8) | (*optarg & 0xff));
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}
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aacenc_param_add_itmf_entry(¶ms->tags, fcc, optarg,
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val, strlen(val),
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ch == OPT_SHORT_TAG_FILE);
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}
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break;
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case OPT_TAG_FROM_JSON:
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params->json_filename = optarg;
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break;
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default:
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return usage(), -1;
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}
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}
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if (argc == optind)
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return usage(), -1;
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if (!params->bitrate && !params->bitrate_mode) {
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fprintf(stderr, "bitrate or bitrate-mode is mandatory\n");
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return -1;
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}
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if (params->output_filename && !strcmp(params->output_filename, "-") &&
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!params->transport_format) {
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fprintf(stderr, "stdout streaming is not available on M4A output\n");
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return -1;
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}
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if (params->bitrate && params->bitrate < 10000)
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params->bitrate *= 1000;
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if (params->is_raw) {
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if (!params->raw_channels)
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params->raw_channels = 2;
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if (!params->raw_rate)
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params->raw_rate = 44100;
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if (!params->raw_format)
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params->raw_format = "S16L";
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}
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params->input_filename = argv[optind];
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return 0;
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};
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static
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int write_sample(FILE *ofp, m4af_ctx_t *m4af,
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const void *data, uint32_t size, uint32_t duration)
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{
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if (!m4af) {
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fwrite(data, 1, size, ofp);
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if (ferror(ofp)) {
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fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno));
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return -1;
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}
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} else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) {
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fprintf(stderr, "ERROR: failed to write m4a sample\n");
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return -1;
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}
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return 0;
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}
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static
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int encode(wav_reader_t *wavf, HANDLE_AACENCODER encoder,
|
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uint32_t frame_length, FILE *ofp, m4af_ctx_t *m4af,
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int show_progress)
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|
{
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uint8_t *ibuf = 0;
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int16_t *pcmbuf = 0;
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uint32_t pcmsize = 0;
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uint8_t *obuf = 0;
|
|
uint32_t olen;
|
|
uint32_t osize = 0;
|
|
int nread = 1;
|
|
int consumed;
|
|
int rc = -1;
|
|
int frames_written = 0;
|
|
aacenc_progress_t progress = { 0 };
|
|
const pcm_sample_description_t *format = wav_get_format(wavf);
|
|
|
|
ibuf = malloc(frame_length * format->bytes_per_frame);
|
|
aacenc_progress_init(&progress, wav_get_length(wavf), format->sample_rate);
|
|
do {
|
|
if (g_interrupted)
|
|
nread = 0;
|
|
else if (nread) {
|
|
if ((nread = wav_read_frames(wavf, ibuf, frame_length)) < 0) {
|
|
fprintf(stderr, "ERROR: read failed\n");
|
|
goto END;
|
|
} else if (nread > 0) {
|
|
if (pcm_convert_to_native_sint16(format, ibuf, nread,
|
|
&pcmbuf, &pcmsize) < 0) {
|
|
fprintf(stderr, "ERROR: unsupported sample format\n");
|
|
goto END;
|
|
}
|
|
}
|
|
if (show_progress)
|
|
aacenc_progress_update(&progress, wav_get_position(wavf),
|
|
format->sample_rate * 2);
|
|
}
|
|
if ((consumed = aac_encode_frame(encoder, format, pcmbuf, nread,
|
|
&obuf, &olen, &osize)) < 0)
|
|
goto END;
|
|
if (olen > 0) {
|
|
if (write_sample(ofp, m4af, obuf, olen, frame_length) < 0)
|
|
goto END;
|
|
++frames_written;
|
|
}
|
|
} while (nread > 0 || olen > 0);
|
|
|
|
if (show_progress)
|
|
aacenc_progress_finish(&progress, wav_get_position(wavf));
|
|
rc = frames_written;
|
|
END:
|
|
if (ibuf) free(ibuf);
|
|
if (pcmbuf) free(pcmbuf);
|
|
if (obuf) free(obuf);
|
|
return rc;
|
|
}
|
|
|
|
static
|
|
void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params,
|
|
HANDLE_AACENCODER encoder)
|
|
{
|
|
char tool_info[256];
|
|
char *p = tool_info;
|
|
LIB_INFO *lib_info = 0;
|
|
|
|
p += sprintf(p, PROGNAME " %s, ", fdkaac_version);
|
|
|
|
lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO));
|
|
if (aacEncGetLibInfo(lib_info) == AACENC_OK) {
|
|
int i;
|
|
for (i = 0; i < FDK_MODULE_LAST; ++i)
|
|
if (lib_info[i].module_id == FDK_AACENC)
|
|
break;
|
|
p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr);
|
|
}
|
|
free(lib_info);
|
|
if (params->bitrate_mode)
|
|
sprintf(p, "VBR mode %d", params->bitrate_mode);
|
|
else
|
|
sprintf(p, "CBR %dkbps",
|
|
aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000);
|
|
|
|
m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info);
|
|
}
|
|
|
|
static
|
|
int finalize_m4a(m4af_ctx_t *m4af, const aacenc_param_ex_t *params,
|
|
HANDLE_AACENCODER encoder)
|
|
{
|
|
unsigned i;
|
|
aacenc_tag_entry_t *tag = params->tags.tag_table;
|
|
|
|
if (params->json_filename)
|
|
aacenc_put_tags_from_json(m4af, params->json_filename);
|
|
|
|
for (i = 0; i < params->tags.tag_count; ++i, ++tag)
|
|
aacenc_put_tag_entry(m4af, tag);
|
|
|
|
put_tool_tag(m4af, params, encoder);
|
|
|
|
if (m4af_finalize(m4af) < 0) {
|
|
fprintf(stderr, "ERROR: failed to finalize m4a\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
char *generate_output_filename(const char *filename, const char *ext)
|
|
{
|
|
char *p = 0;
|
|
size_t ext_len = strlen(ext);
|
|
|
|
if (strcmp(filename, "-") == 0) {
|
|
p = malloc(ext_len + 6);
|
|
sprintf(p, "stdin%s", ext);
|
|
} else {
|
|
const char *base = aacenc_basename(filename);
|
|
size_t ilen = strlen(base);
|
|
const char *ext_org = strrchr(base, '.');
|
|
if (ext_org) ilen = ext_org - base;
|
|
p = malloc(ilen + ext_len + 1);
|
|
sprintf(p, "%.*s%s", ilen, base, ext);
|
|
}
|
|
return p;
|
|
}
|
|
|
|
static
|
|
int parse_raw_spec(const char *spec, pcm_sample_description_t *desc)
|
|
{
|
|
unsigned bits;
|
|
unsigned char c_type, c_endian = 'L';
|
|
int type;
|
|
|
|
if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2)
|
|
return -1;
|
|
c_type = toupper(c_type);
|
|
c_endian = toupper(c_endian);
|
|
|
|
if (c_type == 'S')
|
|
type = 1;
|
|
else if (c_type == 'U')
|
|
type = 2;
|
|
else if (c_type == 'F')
|
|
type = 4;
|
|
else
|
|
return -1;
|
|
|
|
if (c_endian == 'B')
|
|
type |= 8;
|
|
else if (c_endian != 'L')
|
|
return -1;
|
|
|
|
if (c_type == 'F' && bits != 32 && bits != 64)
|
|
return -1;
|
|
if (c_type != 'F' && (bits < 8 || bits > 32))
|
|
return -1;
|
|
|
|
desc->sample_type = type;
|
|
desc->bits_per_channel = bits;
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
wav_io_context_t wav_io = { read_callback, seek_callback, tell_callback };
|
|
m4af_io_callbacks_t
|
|
m4af_io = { 0, write_callback, seek_callback, tell_callback };
|
|
aacenc_param_ex_t params = { 0 };
|
|
|
|
int result = 2;
|
|
FILE *ifp = 0;
|
|
FILE *ofp = 0;
|
|
char *output_filename = 0;
|
|
wav_reader_t *wavf = 0;
|
|
HANDLE_AACENCODER encoder = 0;
|
|
AACENC_InfoStruct aacinfo = { 0 };
|
|
m4af_ctx_t *m4af = 0;
|
|
const pcm_sample_description_t *sample_format;
|
|
int downsampled_timescale = 0;
|
|
int frame_count = 0;
|
|
struct stat stb = { 0 };
|
|
|
|
setlocale(LC_CTYPE, "");
|
|
setbuf(stderr, 0);
|
|
|
|
if (parse_options(argc, argv, ¶ms) < 0)
|
|
return 1;
|
|
|
|
if ((ifp = aacenc_fopen(params.input_filename, "rb")) == 0) {
|
|
aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.input_filename,
|
|
strerror(errno));
|
|
goto END;
|
|
}
|
|
if (fstat(fileno(ifp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG) {
|
|
wav_io.seek = 0;
|
|
wav_io.tell = 0;
|
|
}
|
|
if (!params.is_raw) {
|
|
if ((wavf = wav_open(&wav_io, ifp, params.ignore_length)) == 0) {
|
|
fprintf(stderr, "ERROR: broken / unsupported input file\n");
|
|
goto END;
|
|
}
|
|
} else {
|
|
int bytes_per_channel;
|
|
pcm_sample_description_t desc = { 0 };
|
|
if (parse_raw_spec(params.raw_format, &desc) < 0) {
|
|
fprintf(stderr, "ERROR: invalid raw-format spec\n");
|
|
goto END;
|
|
}
|
|
desc.sample_rate = params.raw_rate;
|
|
desc.channels_per_frame = params.raw_channels;
|
|
bytes_per_channel = (desc.bits_per_channel + 7) / 8;
|
|
desc.bytes_per_frame = params.raw_channels * bytes_per_channel;
|
|
if ((wavf = raw_open(&wav_io, ifp, &desc)) == 0) {
|
|
fprintf(stderr, "ERROR: failed to open raw input\n");
|
|
goto END;
|
|
}
|
|
}
|
|
sample_format = wav_get_format(wavf);
|
|
|
|
if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format,
|
|
&aacinfo) < 0)
|
|
goto END;
|
|
|
|
if (!params.output_filename) {
|
|
const char *ext = params.transport_format ? ".aac" : ".m4a";
|
|
output_filename = generate_output_filename(params.input_filename, ext);
|
|
params.output_filename = output_filename;
|
|
}
|
|
|
|
if ((ofp = aacenc_fopen(params.output_filename, "wb")) == 0) {
|
|
aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename,
|
|
strerror(errno));
|
|
goto END;
|
|
}
|
|
handle_signals();
|
|
if (!params.transport_format) {
|
|
uint32_t scale;
|
|
unsigned framelen = aacinfo.frameLength;
|
|
int sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms);
|
|
int sig_mode = aacEncoder_GetParam(encoder, AACENC_SIGNALING_MODE);
|
|
if (sbr_mode && !sig_mode)
|
|
downsampled_timescale = 1;
|
|
scale = sample_format->sample_rate >> downsampled_timescale;
|
|
if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, ofp)) < 0)
|
|
goto END;
|
|
m4af_set_decoder_specific_info(m4af, 0, aacinfo.confBuf,
|
|
aacinfo.confSize);
|
|
m4af_set_fixed_frame_duration(m4af, 0,
|
|
framelen >> downsampled_timescale);
|
|
m4af_begin_write(m4af);
|
|
}
|
|
frame_count = encode(wavf, encoder, aacinfo.frameLength, ofp, m4af,
|
|
!params.silent);
|
|
if (frame_count < 0)
|
|
goto END;
|
|
if (m4af) {
|
|
uint32_t delay = aacinfo.encoderDelay;
|
|
int64_t frames_read = wav_get_position(wavf);
|
|
uint32_t padding = frame_count * aacinfo.frameLength
|
|
- frames_read - aacinfo.encoderDelay;
|
|
m4af_set_priming(m4af, 0, delay >> downsampled_timescale,
|
|
padding >> downsampled_timescale);
|
|
if (finalize_m4a(m4af, ¶ms, encoder) < 0)
|
|
goto END;
|
|
}
|
|
result = 0;
|
|
END:
|
|
if (wavf) wav_teardown(&wavf);
|
|
if (ifp) fclose(ifp);
|
|
if (m4af) m4af_teardown(&m4af);
|
|
if (ofp) fclose(ofp);
|
|
if (encoder) aacEncClose(&encoder);
|
|
if (output_filename) free(output_filename);
|
|
if (params.tags.tag_table) free(params.tags.tag_table);
|
|
|
|
return result;
|
|
}
|