#include "FLAC/assert.h"
#include "FLAC/metadata.h"
+#include "share/replaygain.h"
#include "share/utf8.h"
#include <ctype.h>
#include <locale.h>
{ "set-vc-field", 1, 0, 0 },
{ "import-vc-from", 1, 0, 0 },
{ "export-vc-to", 1, 0, 0 },
+ { "add-replay-gain", 0, 0, 0 },
{ "add-padding", 1, 0, 0 },
/* major operations */
{ "help", 0, 0, 0 },
OP__SET_VC_FIELD,
OP__IMPORT_VC_FROM,
OP__EXPORT_VC_TO,
+ OP__ADD_REPLAY_GAIN,
OP__ADD_PADDING,
OP__LIST,
OP__APPEND,
static FLAC__bool do_shorthand_operations(const CommandLineOptions *options);
static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options);
static FLAC__bool do_shorthand_operation(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert);
+static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files);
+static FLAC__bool do_replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak);
+static FLAC__bool do_replaygain_store_to_file(const char *filename, float album_gain, float album_peak, float title_gain, float title_peak);
static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write);
static FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
static FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw);
ok = false;
}
}
+ else if(0 == strcmp(opt, "add-replay-gain")) {
+ (void) append_shorthand_operation(options, OP__ADD_REPLAY_GAIN);
+ }
else if(0 == strcmp(opt, "add-padding")) {
op = append_shorthand_operation(options, OP__ADD_PADDING);
FLAC__ASSERT(0 != option_argument);
fprintf(out, "--export-vc-to=file Export Vorbis comments to a file. Use '-' for stdin.\n");
fprintf(out, " Each line will be of the form NAME=VALUE. Specify\n");
fprintf(out, " --no-utf8-convert if necessary.\n");
+ fprintf(out, "--add-replay-gain Calculates the title and album gains/peaks of the given\n");
+ fprintf(out, " FLAC files as if all the files were part of one album,\n");
+ fprintf(out, " then stores them in the VORBIS_COMMENT block. The tags\n");
+ fprintf(out, " are the same as those used by vorbisgain. Existing\n");
+ fprintf(out, " ReplayGain tags will be replaced. If only one FLAC file\n");
+ fprintf(out, " is given, the album and title gains will be the same.\n");
+ fprintf(out, " Since this operation requires two passes, it is always\n");
+ fprintf(out, " executed last, after all other operations have been\n");
+ fprintf(out, " completed and written to disk. All FLAC files specified\n");
+ fprintf(out, " must have the same resolution, sample rate, and number\n");
+ fprintf(out, " of channels. The sample rate must be one of 8, 11.025,\n");
+ fprintf(out, " 12, 16, 22.05, 24, 32, 44.1, or 48 kHz.\n");
fprintf(out, "--add-padding=length Add a padding block of the given length (in bytes).\n");
fprintf(out, " The overall length of the new block will be 4 + length;\n");
fprintf(out, " the extra 4 bytes is for the metadata block header.\n");
for(i = 0; i < options->num_files; i++)
ok &= do_shorthand_operations_on_file(options->filenames[i], options);
+ /* check if OP__ADD_REPLAY_GAIN requested */
+ if(ok && options->num_files > 0) {
+ for(i = 0; i < options->ops.num_operations; i++) {
+ if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN)
+ ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files);
+ }
+ }
+
return ok;
}
case OP__EXPORT_VC_TO:
ok = do_shorthand_operation__vorbis_comment(filename, chain, operation, needs_write, !utf8_convert);
break;
+ case OP__ADD_REPLAY_GAIN:
+ /* this command is always executed last */
+ ok = true;
+ break;
case OP__ADD_PADDING:
ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write);
break;
return ok;
}
+FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files)
+{
+ static const unsigned valid_sample_rates[] = {
+ 8000,
+ 11025,
+ 12000,
+ 16000,
+ 22050,
+ 24000,
+ 32000,
+ 44100,
+ 48000
+ };
+ static const unsigned n_valid_sample_rates = sizeof(valid_sample_rates) / sizeof(valid_sample_rates[0]);
+
+ FLAC__StreamMetadata streaminfo;
+ float *title_gains = 0, *title_peaks = 0;
+ float album_gain = 0.0, album_peak = 0.0;
+ unsigned sample_rate = 0;
+ unsigned bits_per_sample = 0;
+ unsigned channels = 0;
+ unsigned i, j;
+ FLAC__bool first = true;
+
+ FLAC__ASSERT(num_files > 0);
+
+ for(i = 0; i < num_files; i++) {
+ FLAC__ASSERT(0 != filenames[i]);
+ if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) {
+ fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]);
+ return false;
+ }
+ if(first) {
+ first = false;
+ sample_rate = streaminfo.data.stream_info.sample_rate;
+ bits_per_sample = streaminfo.data.stream_info.bits_per_sample;
+ channels = streaminfo.data.stream_info.channels;
+ }
+ else {
+ if(sample_rate != streaminfo.data.stream_info.sample_rate) {
+ fprintf(stderr, "%s: ERROR: sample rate of %u Hz does not match previous files' %u Hz\n", filenames[i], streaminfo.data.stream_info.sample_rate, sample_rate);
+ return false;
+ }
+ if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) {
+ fprintf(stderr, "%s: ERROR: resolution of %u bps does not match previous files' %u bps\n", filenames[i], streaminfo.data.stream_info.bits_per_sample, bits_per_sample);
+ return false;
+ }
+ if(channels != streaminfo.data.stream_info.channels) {
+ fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels);
+ return false;
+ }
+ }
+ for(j = 0; j < n_valid_sample_rates; j++)
+ if(sample_rate == valid_sample_rates[j])
+ break;
+ if(j == n_valid_sample_rates) {
+ fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate);
+ return false;
+ }
+ if(channels != 1 && channels != 2) {
+ fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels);
+ return false;
+ }
+ }
+ FLAC__ASSERT(bits_per_sample >= FLAC__MIN_BITS_PER_SAMPLE && bits_per_sample <= FLAC__MAX_BITS_PER_SAMPLE);
+
+ if(!FLAC__replaygain_init(sample_rate))
+ FLAC__ASSERT(0);
+
+ if(
+ 0 == (title_gains = (float*)malloc(sizeof(float) * num_files)) ||
+ 0 == (title_peaks = (float*)malloc(sizeof(float) * num_files))
+ )
+ die("out of memory allocating space for title gains/peaks");
+
+ for(i = 0; i < num_files; i++) {
+ if(!do_replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i)) {
+ free(title_gains);
+ free(title_peaks);
+ return false;
+ }
+ if(title_peaks[i] > album_peak)
+ album_peak = title_peaks[i];
+ }
+ album_gain = FLAC__replaygain_get_album_gain();
+
+ for(i = 0; i < num_files; i++) {
+ if(!do_replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i])) {
+ free(title_gains);
+ free(title_peaks);
+ return false;
+ }
+ }
+
+ free(title_gains);
+ free(title_peaks);
+ return true;
+}
+
+FLAC__bool do_replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak)
+{
+ return false;//@@@@
+}
+
+FLAC__bool do_replaygain_store_to_file(const char *filename, float album_gain, float album_peak, float title_gain, float title_peak)
+{
+ return false;//@@@@
+}
+
FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write)
{
FLAC__StreamMetadata *padding = 0;
projects / platform / upstream / flac.git / commitdiff