src/test_libOggFLAC/encoders.c - platform/external/flac - Gitiles

 /* test_libOggFLAC - Unit tester for libOggFLAC
  * Copyright (C) 2002  Josh Coalson
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */

 #include "encoders.h"
 #include "file_utils.h"
 #include "FLAC/assert.h"
 #include "OggFLAC/stream_encoder.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

 static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_;
 static FLAC__StreamMetadata *metadata_sequence_[] = { &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_ };
 static const unsigned num_metadata_ = 5;
 static const char *oggflacfilename_ = "metadata.ogg";

 static FLAC__bool die_s_(const char *msg, const OggFLAC__StreamEncoder *encoder)
 {
 	OggFLAC__StreamEncoderState state = OggFLAC__stream_encoder_get_state(encoder);

 	if(msg)
 		printf("FAILED, %s", msg);
 	else
 		printf("FAILED");

 	printf(", state = %u (%s)\n", (unsigned)state, OggFLAC__StreamEncoderStateString[state]);
 	if(state == OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR) {
 		FLAC__StreamEncoderState state_ = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(encoder);
 		printf("      FLAC stream encoder state = %u (%s)\n", (unsigned)state_, FLAC__StreamEncoderStateString[state_]);
 		if(state_ == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
 			FLAC__StreamDecoderState dstate = OggFLAC__stream_encoder_get_verify_decoder_state(encoder);
 			printf("      verify decoder state = %u (%s)\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
 		}
 	}

 	return false;
 }

 static void *malloc_or_die_(size_t size)
 {
 	void *x = malloc(size);
 	if(0 == x) {
 		fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (unsigned)size);
 		exit(1);
 	}
 	return x;
 }

 static void init_metadata_blocks_()
 {
 	/*
 		most of the actual numbers and data in the blocks don't matter,
 		we just want to make sure the encoder encodes them correctly

 		remember, the metadata interface gets tested after the encoders,
 		so we do all the metadata manipulation here without it.
 	*/

 	/* min/max_framesize and md5sum don't get written at first, so we have to leave them 0 */
 	streaminfo_.is_last = false;
 	streaminfo_.type = FLAC__METADATA_TYPE_STREAMINFO;
 	streaminfo_.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
 	streaminfo_.data.stream_info.min_blocksize = 576;
 	streaminfo_.data.stream_info.max_blocksize = 576;
 	streaminfo_.data.stream_info.min_framesize = 0;
 	streaminfo_.data.stream_info.max_framesize = 0;
 	streaminfo_.data.stream_info.sample_rate = 44100;
 	streaminfo_.data.stream_info.channels = 1;
 	streaminfo_.data.stream_info.bits_per_sample = 8;
 	streaminfo_.data.stream_info.total_samples = 0;
 	memset(streaminfo_.data.stream_info.md5sum, 0, 16);

 	padding_.is_last = false;
 	padding_.type = FLAC__METADATA_TYPE_PADDING;
 	padding_.length = 1234;

 	seektable_.is_last = false;
 	seektable_.type = FLAC__METADATA_TYPE_SEEKTABLE;
 	seektable_.data.seek_table.num_points = 2;
 	seektable_.length = seektable_.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
 	seektable_.data.seek_table.points = malloc_or_die_(seektable_.data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint));
 	seektable_.data.seek_table.points[0].sample_number = 0;
 	seektable_.data.seek_table.points[0].stream_offset = 0;
 	seektable_.data.seek_table.points[0].frame_samples = streaminfo_.data.stream_info.min_blocksize;
 	seektable_.data.seek_table.points[1].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
 	seektable_.data.seek_table.points[1].stream_offset = 1000;
 	seektable_.data.seek_table.points[1].frame_samples = streaminfo_.data.stream_info.min_blocksize;

 	application1_.is_last = false;
 	application1_.type = FLAC__METADATA_TYPE_APPLICATION;
 	application1_.length = 8;
 	memcpy(application1_.data.application.id, "\xfe\xdc\xba\x98", 4);
 	application1_.data.application.data = malloc_or_die_(4);
 	memcpy(application1_.data.application.data, "\xf0\xe1\xd2\xc3", 4);

 	application2_.is_last = false;
 	application2_.type = FLAC__METADATA_TYPE_APPLICATION;
 	application2_.length = 4;
 	memcpy(application2_.data.application.id, "\x76\x54\x32\x10", 4);
 	application2_.data.application.data = 0;

 	vorbiscomment_.is_last = true;
 	vorbiscomment_.type = FLAC__METADATA_TYPE_VORBIS_COMMENT;
 	vorbiscomment_.length = (4 + 8) + 4 + (4 + 5) + (4 + 0);
 	vorbiscomment_.data.vorbis_comment.vendor_string.length = 8;
 	vorbiscomment_.data.vorbis_comment.vendor_string.entry = malloc_or_die_(8);
 	memcpy(vorbiscomment_.data.vorbis_comment.vendor_string.entry, "flac 1.x", 8);
 	vorbiscomment_.data.vorbis_comment.num_comments = 2;
 	vorbiscomment_.data.vorbis_comment.comments = malloc_or_die_(vorbiscomment_.data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry));
 	vorbiscomment_.data.vorbis_comment.comments[0].length = 5;
 	vorbiscomment_.data.vorbis_comment.comments[0].entry = malloc_or_die_(5);
 	memcpy(vorbiscomment_.data.vorbis_comment.comments[0].entry, "ab=cd", 5);
 	vorbiscomment_.data.vorbis_comment.comments[1].length = 0;
 	vorbiscomment_.data.vorbis_comment.comments[1].entry = 0;
 }

 static void free_metadata_blocks_()
 {
 	free(seektable_.data.seek_table.points);
 	free(application1_.data.application.data);
 	free(vorbiscomment_.data.vorbis_comment.vendor_string.entry);
 	free(vorbiscomment_.data.vorbis_comment.comments[0].entry);
 	free(vorbiscomment_.data.vorbis_comment.comments);
 }

 static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
 {
 	(void)encoder, (void)buffer, (void)bytes, (void)samples, (void)current_frame, (void)client_data;
 	return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
 }

 static FLAC__bool test_stream_encoder()
 {
 	OggFLAC__StreamEncoder *encoder;
 	OggFLAC__StreamEncoderState state;
 	FLAC__StreamEncoderState state_;
 	FLAC__StreamDecoderState dstate;
 	FLAC__int32 samples[1024];
 	FLAC__int32 *samples_array[1] = { samples };
 	unsigned i;

 	printf("\n+++ libOggFLAC unit test: OggFLAC__StreamEncoder\n\n");

 	printf("testing OggFLAC__stream_encoder_new()... ");
 	encoder = OggFLAC__stream_encoder_new();
 	if(0 == encoder) {
 		printf("FAILED, returned NULL\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_verify()... ");
 	if(!OggFLAC__stream_encoder_set_verify(encoder, true))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_streamable_subset()... ");
 	if(!OggFLAC__stream_encoder_set_streamable_subset(encoder, true))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_do_mid_side_stereo()... ");
 	if(!OggFLAC__stream_encoder_set_do_mid_side_stereo(encoder, false))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_loose_mid_side_stereo()... ");
 	if(!OggFLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_channels()... ");
 	if(!OggFLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_bits_per_sample()... ");
 	if(!OggFLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_sample_rate()... ");
 	if(!OggFLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_blocksize()... ");
 	if(!OggFLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_max_lpc_order()... ");
 	if(!OggFLAC__stream_encoder_set_max_lpc_order(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_qlp_coeff_precision()... ");
 	if(!OggFLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search()... ");
 	if(!OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_do_escape_coding()... ");
 	if(!OggFLAC__stream_encoder_set_do_escape_coding(encoder, false))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_do_exhaustive_model_search()... ");
 	if(!OggFLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_min_residual_partition_order()... ");
 	if(!OggFLAC__stream_encoder_set_min_residual_partition_order(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_max_residual_partition_order()... ");
 	if(!OggFLAC__stream_encoder_set_max_residual_partition_order(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_rice_parameter_search_dist()... ");
 	if(!OggFLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_total_samples_estimate()... ");
 	if(!OggFLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_metadata()... ");
 	if(!OggFLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_write_callback()... ");
 	if(!OggFLAC__stream_encoder_set_write_callback(encoder, stream_encoder_write_callback_))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_set_client_data()... ");
 	if(!OggFLAC__stream_encoder_set_client_data(encoder, 0))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_init()... ");
 	if(OggFLAC__stream_encoder_init(encoder) != FLAC__STREAM_ENCODER_OK)
 		return die_s_(0, encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_state()... ");
 	state = OggFLAC__stream_encoder_get_state(encoder);
 	printf("returned state = %u (%s)... OK\n", (unsigned)state, OggFLAC__StreamEncoderStateString[state]);

 	printf("testing OggFLAC__stream_encoder_get_FLAC_stream_encoder_state()... ");
 	state_ = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(encoder);
 	printf("returned state = %u (%s)... OK\n", (unsigned)state_, FLAC__StreamEncoderStateString[state_]);

 	printf("testing OggFLAC__stream_encoder_get_verify_decoder_state()... ");
 	dstate = OggFLAC__stream_encoder_get_verify_decoder_state(encoder);
 	printf("returned state = %u (%s)... OK\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);

 	{
 		FLAC__uint64 absolute_sample;
 		unsigned frame_number;
 		unsigned channel;
 		unsigned sample;
 		FLAC__int32 expected;
 		FLAC__int32 got;

 		printf("testing OggFLAC__stream_encoder_get_verify_decoder_error_stats()... ");
 		OggFLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
 		printf("OK\n");
 	}

 	printf("testing OggFLAC__stream_encoder_get_verify()... ");
 	if(OggFLAC__stream_encoder_get_verify(encoder) != true) {
 		printf("FAILED, expected true, got false\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_streamable_subset()... ");
 	if(OggFLAC__stream_encoder_get_streamable_subset(encoder) != true) {
 		printf("FAILED, expected true, got false\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_do_mid_side_stereo()... ");
 	if(OggFLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) {
 		printf("FAILED, expected false, got true\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_loose_mid_side_stereo()... ");
 	if(OggFLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) {
 		printf("FAILED, expected false, got true\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_channels()... ");
 	if(OggFLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) {
 		printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, OggFLAC__stream_encoder_get_channels(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_bits_per_sample()... ");
 	if(OggFLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) {
 		printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, OggFLAC__stream_encoder_get_bits_per_sample(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_sample_rate()... ");
 	if(OggFLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) {
 		printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, OggFLAC__stream_encoder_get_sample_rate(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_blocksize()... ");
 	if(OggFLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) {
 		printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, OggFLAC__stream_encoder_get_blocksize(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_max_lpc_order()... ");
 	if(OggFLAC__stream_encoder_get_max_lpc_order(encoder) != 0) {
 		printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_max_lpc_order(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_qlp_coeff_precision()... ");
 	(void)OggFLAC__stream_encoder_get_qlp_coeff_precision(encoder);
 	/* we asked the encoder to auto select this so we accept anything */
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search()... ");
 	if(OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) {
 		printf("FAILED, expected false, got true\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_do_escape_coding()... ");
 	if(OggFLAC__stream_encoder_get_do_escape_coding(encoder) != false) {
 		printf("FAILED, expected false, got true\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_do_exhaustive_model_search()... ");
 	if(OggFLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) {
 		printf("FAILED, expected false, got true\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_min_residual_partition_order()... ");
 	if(OggFLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) {
 		printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_min_residual_partition_order(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_max_residual_partition_order()... ");
 	if(OggFLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) {
 		printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_max_residual_partition_order(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_rice_parameter_search_dist()... ");
 	if(OggFLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) {
 		printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_rice_parameter_search_dist(encoder));
 		return false;
 	}
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_get_total_samples_estimate()... ");
 	if(OggFLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) {
 		printf("FAILED, expected %llu, got %llu\n", streaminfo_.data.stream_info.total_samples, OggFLAC__stream_encoder_get_total_samples_estimate(encoder));
 		return false;
 	}
 	printf("OK\n");

 	/* init the dummy sample buffer */
 	for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
 		samples[i] = i & 7;

 	printf("testing OggFLAC__stream_encoder_process()... ");
 	if(!OggFLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32)))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_process_interleaved()... ");
 	if(!OggFLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32)))
 		return die_s_("returned false", encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_finish()... ");
 	OggFLAC__stream_encoder_finish(encoder);
 	printf("OK\n");

 	printf("testing OggFLAC__stream_encoder_delete()... ");
 	OggFLAC__stream_encoder_delete(encoder);
 	printf("OK\n");

 	printf("\nPASSED!\n");

 	return true;
 }

 FLAC__bool test_encoders()
 {
 	init_metadata_blocks_();

 	if(!test_stream_encoder())
 		return false;

 	(void) file_utils__remove_file(oggflacfilename_);
 	free_metadata_blocks_();

 	return true;
 }
	/* test_libOggFLAC - Unit tester for libOggFLAC
	* Copyright (C) 2002 Josh Coalson
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	*/

	#include "encoders.h"
	#include "file_utils.h"
	#include "FLAC/assert.h"
	#include "OggFLAC/stream_encoder.h"
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_;
	static FLAC__StreamMetadata *metadata_sequence_[] = { &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_ };
	static const unsigned num_metadata_ = 5;
	static const char *oggflacfilename_ = "metadata.ogg";

	static FLAC__bool die_s_(const char msg, const OggFLAC__StreamEncoder encoder)
	{
	OggFLAC__StreamEncoderState state = OggFLAC__stream_encoder_get_state(encoder);

	if(msg)
	printf("FAILED, %s", msg);
	else
	printf("FAILED");

	printf(", state = %u (%s)\n", (unsigned)state, OggFLAC__StreamEncoderStateString[state]);
	if(state == OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR) {
	FLAC__StreamEncoderState state_ = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(encoder);
	printf(" FLAC stream encoder state = %u (%s)\n", (unsigned)state_, FLAC__StreamEncoderStateString[state_]);
	if(state_ == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
	FLAC__StreamDecoderState dstate = OggFLAC__stream_encoder_get_verify_decoder_state(encoder);
	printf(" verify decoder state = %u (%s)\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
	}
	}

	return false;
	}

	static void *malloc_or_die_(size_t size)
	{
	void *x = malloc(size);
	if(0 == x) {
	fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (unsigned)size);
	exit(1);
	}
	return x;
	}

	static void init_metadata_blocks_()
	{
	/*
	most of the actual numbers and data in the blocks don't matter,
	we just want to make sure the encoder encodes them correctly

	remember, the metadata interface gets tested after the encoders,
	so we do all the metadata manipulation here without it.
	*/

	/* min/max_framesize and md5sum don't get written at first, so we have to leave them 0 */
	streaminfo_.is_last = false;
	streaminfo_.type = FLAC__METADATA_TYPE_STREAMINFO;
	streaminfo_.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
	streaminfo_.data.stream_info.min_blocksize = 576;
	streaminfo_.data.stream_info.max_blocksize = 576;
	streaminfo_.data.stream_info.min_framesize = 0;
	streaminfo_.data.stream_info.max_framesize = 0;
	streaminfo_.data.stream_info.sample_rate = 44100;
	streaminfo_.data.stream_info.channels = 1;
	streaminfo_.data.stream_info.bits_per_sample = 8;
	streaminfo_.data.stream_info.total_samples = 0;
	memset(streaminfo_.data.stream_info.md5sum, 0, 16);

	padding_.is_last = false;
	padding_.type = FLAC__METADATA_TYPE_PADDING;
	padding_.length = 1234;

	seektable_.is_last = false;
	seektable_.type = FLAC__METADATA_TYPE_SEEKTABLE;
	seektable_.data.seek_table.num_points = 2;
	seektable_.length = seektable_.data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
	seektable_.data.seek_table.points = malloc_or_die_(seektable_.data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint));
	seektable_.data.seek_table.points[0].sample_number = 0;
	seektable_.data.seek_table.points[0].stream_offset = 0;
	seektable_.data.seek_table.points[0].frame_samples = streaminfo_.data.stream_info.min_blocksize;
	seektable_.data.seek_table.points[1].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
	seektable_.data.seek_table.points[1].stream_offset = 1000;
	seektable_.data.seek_table.points[1].frame_samples = streaminfo_.data.stream_info.min_blocksize;

	application1_.is_last = false;
	application1_.type = FLAC__METADATA_TYPE_APPLICATION;
	application1_.length = 8;
	memcpy(application1_.data.application.id, "\xfe\xdc\xba\x98", 4);
	application1_.data.application.data = malloc_or_die_(4);
	memcpy(application1_.data.application.data, "\xf0\xe1\xd2\xc3", 4);

	application2_.is_last = false;
	application2_.type = FLAC__METADATA_TYPE_APPLICATION;
	application2_.length = 4;
	memcpy(application2_.data.application.id, "\x76\x54\x32\x10", 4);
	application2_.data.application.data = 0;

	vorbiscomment_.is_last = true;
	vorbiscomment_.type = FLAC__METADATA_TYPE_VORBIS_COMMENT;
	vorbiscomment_.length = (4 + 8) + 4 + (4 + 5) + (4 + 0);
	vorbiscomment_.data.vorbis_comment.vendor_string.length = 8;
	vorbiscomment_.data.vorbis_comment.vendor_string.entry = malloc_or_die_(8);
	memcpy(vorbiscomment_.data.vorbis_comment.vendor_string.entry, "flac 1.x", 8);
	vorbiscomment_.data.vorbis_comment.num_comments = 2;
	vorbiscomment_.data.vorbis_comment.comments = malloc_or_die_(vorbiscomment_.data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry));
	vorbiscomment_.data.vorbis_comment.comments[0].length = 5;
	vorbiscomment_.data.vorbis_comment.comments[0].entry = malloc_or_die_(5);
	memcpy(vorbiscomment_.data.vorbis_comment.comments[0].entry, "ab=cd", 5);
	vorbiscomment_.data.vorbis_comment.comments[1].length = 0;
	vorbiscomment_.data.vorbis_comment.comments[1].entry = 0;
	}

	static void free_metadata_blocks_()
	{
	free(seektable_.data.seek_table.points);
	free(application1_.data.application.data);
	free(vorbiscomment_.data.vorbis_comment.vendor_string.entry);
	free(vorbiscomment_.data.vorbis_comment.comments[0].entry);
	free(vorbiscomment_.data.vorbis_comment.comments);
	}

	static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const OggFLAC__StreamEncoder encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void client_data)
	{
	(void)encoder, (void)buffer, (void)bytes, (void)samples, (void)current_frame, (void)client_data;
	return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
	}

	static FLAC__bool test_stream_encoder()
	{
	OggFLAC__StreamEncoder *encoder;
	OggFLAC__StreamEncoderState state;
	FLAC__StreamEncoderState state_;
	FLAC__StreamDecoderState dstate;
	FLAC__int32 samples[1024];
	FLAC__int32 *samples_array[1] = { samples };
	unsigned i;

	printf("\n+++ libOggFLAC unit test: OggFLAC__StreamEncoder\n\n");

	printf("testing OggFLAC__stream_encoder_new()... ");
	encoder = OggFLAC__stream_encoder_new();
	if(0 == encoder) {
	printf("FAILED, returned NULL\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_verify()... ");
	if(!OggFLAC__stream_encoder_set_verify(encoder, true))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_streamable_subset()... ");
	if(!OggFLAC__stream_encoder_set_streamable_subset(encoder, true))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_do_mid_side_stereo()... ");
	if(!OggFLAC__stream_encoder_set_do_mid_side_stereo(encoder, false))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_loose_mid_side_stereo()... ");
	if(!OggFLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_channels()... ");
	if(!OggFLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_bits_per_sample()... ");
	if(!OggFLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_sample_rate()... ");
	if(!OggFLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_blocksize()... ");
	if(!OggFLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_max_lpc_order()... ");
	if(!OggFLAC__stream_encoder_set_max_lpc_order(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_qlp_coeff_precision()... ");
	if(!OggFLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search()... ");
	if(!OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_do_escape_coding()... ");
	if(!OggFLAC__stream_encoder_set_do_escape_coding(encoder, false))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_do_exhaustive_model_search()... ");
	if(!OggFLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_min_residual_partition_order()... ");
	if(!OggFLAC__stream_encoder_set_min_residual_partition_order(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_max_residual_partition_order()... ");
	if(!OggFLAC__stream_encoder_set_max_residual_partition_order(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_rice_parameter_search_dist()... ");
	if(!OggFLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_total_samples_estimate()... ");
	if(!OggFLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_metadata()... ");
	if(!OggFLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_write_callback()... ");
	if(!OggFLAC__stream_encoder_set_write_callback(encoder, stream_encoder_write_callback_))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_set_client_data()... ");
	if(!OggFLAC__stream_encoder_set_client_data(encoder, 0))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_init()... ");
	if(OggFLAC__stream_encoder_init(encoder) != FLAC__STREAM_ENCODER_OK)
	return die_s_(0, encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_state()... ");
	state = OggFLAC__stream_encoder_get_state(encoder);
	printf("returned state = %u (%s)... OK\n", (unsigned)state, OggFLAC__StreamEncoderStateString[state]);

	printf("testing OggFLAC__stream_encoder_get_FLAC_stream_encoder_state()... ");
	state_ = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(encoder);
	printf("returned state = %u (%s)... OK\n", (unsigned)state_, FLAC__StreamEncoderStateString[state_]);

	printf("testing OggFLAC__stream_encoder_get_verify_decoder_state()... ");
	dstate = OggFLAC__stream_encoder_get_verify_decoder_state(encoder);
	printf("returned state = %u (%s)... OK\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);

	{
	FLAC__uint64 absolute_sample;
	unsigned frame_number;
	unsigned channel;
	unsigned sample;
	FLAC__int32 expected;
	FLAC__int32 got;

	printf("testing OggFLAC__stream_encoder_get_verify_decoder_error_stats()... ");
	OggFLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
	printf("OK\n");
	}

	printf("testing OggFLAC__stream_encoder_get_verify()... ");
	if(OggFLAC__stream_encoder_get_verify(encoder) != true) {
	printf("FAILED, expected true, got false\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_streamable_subset()... ");
	if(OggFLAC__stream_encoder_get_streamable_subset(encoder) != true) {
	printf("FAILED, expected true, got false\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_do_mid_side_stereo()... ");
	if(OggFLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) {
	printf("FAILED, expected false, got true\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_loose_mid_side_stereo()... ");
	if(OggFLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) {
	printf("FAILED, expected false, got true\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_channels()... ");
	if(OggFLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) {
	printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, OggFLAC__stream_encoder_get_channels(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_bits_per_sample()... ");
	if(OggFLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) {
	printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, OggFLAC__stream_encoder_get_bits_per_sample(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_sample_rate()... ");
	if(OggFLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) {
	printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, OggFLAC__stream_encoder_get_sample_rate(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_blocksize()... ");
	if(OggFLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) {
	printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, OggFLAC__stream_encoder_get_blocksize(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_max_lpc_order()... ");
	if(OggFLAC__stream_encoder_get_max_lpc_order(encoder) != 0) {
	printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_max_lpc_order(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_qlp_coeff_precision()... ");
	(void)OggFLAC__stream_encoder_get_qlp_coeff_precision(encoder);
	/* we asked the encoder to auto select this so we accept anything */
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search()... ");
	if(OggFLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) {
	printf("FAILED, expected false, got true\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_do_escape_coding()... ");
	if(OggFLAC__stream_encoder_get_do_escape_coding(encoder) != false) {
	printf("FAILED, expected false, got true\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_do_exhaustive_model_search()... ");
	if(OggFLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) {
	printf("FAILED, expected false, got true\n");
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_min_residual_partition_order()... ");
	if(OggFLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) {
	printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_min_residual_partition_order(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_max_residual_partition_order()... ");
	if(OggFLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) {
	printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_max_residual_partition_order(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_rice_parameter_search_dist()... ");
	if(OggFLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) {
	printf("FAILED, expected %u, got %u\n", 0, OggFLAC__stream_encoder_get_rice_parameter_search_dist(encoder));
	return false;
	}
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_get_total_samples_estimate()... ");
	if(OggFLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) {
	printf("FAILED, expected %llu, got %llu\n", streaminfo_.data.stream_info.total_samples, OggFLAC__stream_encoder_get_total_samples_estimate(encoder));
	return false;
	}
	printf("OK\n");

	/* init the dummy sample buffer */
	for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
	samples[i] = i & 7;

	printf("testing OggFLAC__stream_encoder_process()... ");
	if(!OggFLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32)))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_process_interleaved()... ");
	if(!OggFLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32)))
	return die_s_("returned false", encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_finish()... ");
	OggFLAC__stream_encoder_finish(encoder);
	printf("OK\n");

	printf("testing OggFLAC__stream_encoder_delete()... ");
	OggFLAC__stream_encoder_delete(encoder);
	printf("OK\n");

	printf("\nPASSED!\n");

	return true;
	}

	FLAC__bool test_encoders()
	{
	init_metadata_blocks_();

	if(!test_stream_encoder())
	return false;

	(void) file_utils__remove_file(oggflacfilename_);
	free_metadata_blocks_();

	return true;
	}