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/* metaflac - Command-line FLAC metadata editor
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* Copyright (C) 2001,2002,2003,2004,2005 Josh Coalson
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* Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "FLAC/assert.h"
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#include "FLAC/file_decoder.h"
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#include "FLAC/stream_decoder.h"
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#include "FLAC/metadata.h"
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#include "share/grabbag.h"
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FLAC__StreamDecoderErrorStatus error_status;
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static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
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static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
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ClientData *cd = (ClientData*)client_data;
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FLAC__ASSERT(0 != cd);
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if(!cd->error_occurred && cd->seektable_template->num_points > 0) {
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if(!cd->error_occurred) {
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const unsigned blocksize = frame->header.blocksize;
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const FLAC__uint64 frame_first_sample = cd->samples_written;
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const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1;
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return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
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static void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
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(void)decoder, (void)metadata, (void)client_data;
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FLAC__ASSERT(0); /* we asked to skip all metadata */
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static void error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
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static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
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ClientData *cd = (ClientData*)client_data;
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client_data.first_seekpoint_to_check = 0;
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client_data.error_occurred = false;
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decoder = FLAC__file_decoder_new();
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decoder = FLAC__stream_decoder_new();
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if(0 == decoder) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) creating the decoder instance\n", filename);
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FLAC__file_decoder_set_md5_checking(decoder, false);
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FLAC__file_decoder_set_filename(decoder, filename);
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FLAC__file_decoder_set_metadata_ignore_all(decoder);
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FLAC__file_decoder_set_write_callback(decoder, write_callback_);
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FLAC__file_decoder_set_metadata_callback(decoder, metadata_callback_);
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FLAC__file_decoder_set_error_callback(decoder, error_callback_);
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FLAC__file_decoder_set_client_data(decoder, &client_data);
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if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) initializing the decoder instance (%s)\n", filename, FLAC__file_decoder_get_resolved_state_string(decoder));
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if(ok && !FLAC__file_decoder_process_until_end_of_metadata(decoder)) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__file_decoder_get_resolved_state_string(decoder));
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if(ok && !FLAC__file_decoder_get_decode_position(decoder, &client_data.audio_offset)) {
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FLAC__stream_decoder_set_md5_checking(decoder, false);
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FLAC__stream_decoder_set_metadata_ignore_all(decoder);
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if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, /*metadata_callback=*/0, error_callback_, &client_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) initializing the decoder instance (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));
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if(ok && !FLAC__stream_decoder_process_until_end_of_metadata(decoder)) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));
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if(ok && !FLAC__stream_decoder_get_decode_position(decoder, &client_data.audio_offset)) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file\n", filename);
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client_data.last_offset = client_data.audio_offset;
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if(ok && !FLAC__file_decoder_process_until_end_of_file(decoder)) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__file_decoder_get_resolved_state_string(decoder));
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if(ok && !FLAC__stream_decoder_process_until_end_of_stream(decoder)) {
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fprintf(stderr, "%s: ERROR (--add-seekpoint) decoding file (%s)\n", filename, FLAC__stream_decoder_get_resolved_state_string(decoder));