#include "encode.h"
#include "file.h"
+typedef enum { RAW, WAV, AIF } FileFormat;
+
static int short_usage(const char *message, ...);
static int long_usage(const char *message, ...);
+static void format_mistake(const char *infilename, const char *wrong, const char *right);
+
static int encode_file(const char *infilename, const char *forced_outfilename, FLAC__bool is_last_file);
static int decode_file(const char *infilename, const char *forced_outfilename);
return long_usage("ERROR: --sector-align not allowed with --skip\n");
else if(format_channels >= 0 && format_channels != 2)
return long_usage("ERROR: --sector-align can only be done with stereo input\n");
- else if(format_sample_rate >= 0 && format_sample_rate != 2)
- return long_usage("ERROR: --sector-align can only be done with sample rate of 44100\n");
+ else if(format_bps >= 0 && format_bps != 16)
+ return long_usage("ERROR: --sector-align can only be done with 16-bit samples\n");
+ else if(format_sample_rate >= 0 && format_sample_rate != 44100)
+ return long_usage("ERROR: --sector-align can only be done with a sample rate of 44100\n");
}
if(argc - i > 1 && cmdline_forced_outfilename) {
return long_usage("ERROR: -o cannot be used with multiple files\n");
fprintf(out, " flac [options] [infile [...]]\n");
fprintf(out, "\n");
fprintf(out, "For encoding:\n");
- fprintf(out, " the input file(s) may be a PCM RIFF WAVE file or raw samples\n");
+ fprintf(out, " the input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples\n");
fprintf(out, " the output file(s) will be in FLAC format\n");
fprintf(out, "For decoding, the reverse is true\n");
fprintf(out, "\n");
fprintf(out, "since the former allows flac to seek backwards to write the STREAMINFO or\n");
fprintf(out, "RIFF WAVE header contents when necessary.\n");
fprintf(out, "\n");
- fprintf(out, "flac checks for the presence of a RIFF WAVE header to decide whether or not\n");
- fprintf(out, "to treat an input file as WAVE format or raw samples. If any infile is raw\n");
- fprintf(out, "you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
- fprintf(out, "apply to all raw files. You can force WAVE files to be treated as a raw files\n");
- fprintf(out, "using -fr.\n");
+ fprintf(out, "flac checks for the presence of a AIFF/RIFF WAVE header to decide whether or\n");
+ fprintf(out, "not to treat an input file as AIFF/WAVE format or raw samples. If any infile\n");
+ fprintf(out, "is raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
+ fprintf(out, "apply to all raw files. You can force AIFF/WAVE files to be treated as a raw\n");
+ fprintf(out, "files using -fr.\n");
fprintf(out, "\n");
fprintf(out, "generic options:\n");
fprintf(out, " -d : decode (default behavior is encode)\n");
return message? 1 : 0;
}
+void
+format_mistake(const char *infilename, const char *wrong, const char *right)
+{
+ fprintf(stderr, "WARNING: %s is not a %s file; treating as a %s file\n",
+ infilename, wrong, right);
+}
+
int encode_file(const char *infilename, const char *forced_outfilename, FLAC__bool is_last_file)
{
FILE *encode_infile;
char *p;
FLAC__byte lookahead[12];
unsigned lookahead_length = 0;
- FLAC__bool treat_as_wave = false;
+ FileFormat fmt= RAW;
int retval;
long infilesize;
encode_options_t common_options;
if(!force_raw_format) {
/* first set format based on name */
- if(0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav"))
- treat_as_wave = true;
- else
- treat_as_wave = false;
+ if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav"))
+ fmt= WAV;
+ else if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".aif"))
+ fmt= AIF;
+ else if(strlen(infilename) > 4 && 0 == strcasecmp(infilename+(strlen(infilename)-5), ".aiff"))
+ fmt= AIF;
/* attempt to guess the file type based on the first 12 bytes */
if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
- if(treat_as_wave)
- fprintf(stderr, "WARNING: %s is not a WAVE file, treating as a raw file\n", infilename);
- treat_as_wave = false;
+ if(fmt != RAW)
+ format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
+ fmt= RAW;
}
else {
- if(strncmp(lookahead, "RIFF", 4) || strncmp(lookahead+8, "WAVE", 4)) {
- if(treat_as_wave)
- fprintf(stderr, "WARNING: %s is not a WAVE file, treating as a raw file\n", infilename);
- treat_as_wave = false;
+ if(!strncmp(lookahead, "RIFF", 4) && !strncmp(lookahead+8, "WAVE", 4))
+ fmt= WAV;
+ else if(!strncmp(lookahead, "FORM", 4) && !strncmp(lookahead+8, "AIFF", 4))
+ fmt= AIF;
+ else {
+ if(fmt != RAW)
+ format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
+ fmt= RAW;
}
- else
- treat_as_wave = true;
}
}
- if(sector_align && !treat_as_wave && infilesize < 0) {
+ if(sector_align && fmt == RAW && infilesize < 0) {
fprintf(stderr, "ERROR: can't --sector-align when the input size is unknown\n");
return 1;
}
- if(!treat_as_wave) {
+ if(fmt == RAW) {
if(format_is_big_endian < 0 || format_channels < 0 || format_bps < 0 || format_sample_rate < 0)
return long_usage("ERROR: for encoding a raw file you must specify { -fb or -fl }, -fc, -fp, and -fs\n");
}
common_options.padding = padding;
common_options.requested_seek_points = requested_seek_points;
common_options.num_requested_seek_points = num_requested_seek_points;
+ common_options.is_last_file = is_last_file;
+ common_options.align_reservoir = align_reservoir;
+ common_options.align_reservoir_samples = &align_reservoir_samples;
+ common_options.sector_align = sector_align;
- if(treat_as_wave) {
- wav_encode_options_t options;
-
- options.common = common_options;
- options.is_last_file = is_last_file;
- options.align_reservoir = align_reservoir;
- options.align_reservoir_samples = &align_reservoir_samples;
- options.sector_align = sector_align;
-
- retval = flac__encode_wav(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
- }
- else {
+ if(fmt == RAW) {
raw_encode_options_t options;
options.common = common_options;
retval = flac__encode_raw(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
}
+ else {
+ wav_encode_options_t options;
+
+ options.common = common_options;
+
+ if(fmt == AIF)
+ retval = flac__encode_aif(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
+ else
+ retval = flac__encode_wav(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
+ }
if(retval == 0 && strcmp(infilename, "-")) {
if(strcmp(forced_outfilename, "-"))
projects / platform / upstream / flac.git / blobdiff