From fa3f99377c9c7bdfdaec79f6a7eb4967059182bf Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Sat, 10 Jan 2015 18:42:37 +0100 Subject: Added full source of flac-1.2.1 (nw) --- 3rdparty/libflac/src/flac/decode.c | 1380 ++++++++++++++++++++++++++++++++++++ 1 file changed, 1380 insertions(+) create mode 100644 3rdparty/libflac/src/flac/decode.c (limited to '3rdparty/libflac/src/flac/decode.c') diff --git a/3rdparty/libflac/src/flac/decode.c b/3rdparty/libflac/src/flac/decode.c new file mode 100644 index 00000000000..1e537c064e2 --- /dev/null +++ b/3rdparty/libflac/src/flac/decode.c @@ -0,0 +1,1380 @@ +/* flac - Command-line FLAC encoder/decoder + * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 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. + */ + +#if HAVE_CONFIG_H +# include +#endif + +#if defined _WIN32 && !defined __CYGWIN__ +/* where MSVC puts unlink() */ +# include +#else +# include +#endif +#if defined _MSC_VER || defined __MINGW32__ +#include /* for off_t */ +#if _MSC_VER <= 1600 /* @@@ [2G limit] */ +#define fseeko fseek +#define ftello ftell +#endif +#endif +#include +#include /* for floor() */ +#include /* for FILE etc. */ +#include /* for strcmp(), strerror() */ +#include "FLAC/all.h" +#include "share/grabbag.h" +#include "share/replaygain_synthesis.h" +#include "decode.h" + +typedef struct { +#if FLAC__HAS_OGG + FLAC__bool is_ogg; + FLAC__bool use_first_serial_number; + long serial_number; +#endif + + FLAC__bool is_aiff_out; + FLAC__bool is_wave_out; + FLAC__bool treat_warnings_as_errors; + FLAC__bool continue_through_decode_errors; + FLAC__bool channel_map_none; + + struct { + replaygain_synthesis_spec_t spec; + FLAC__bool apply; /* 'spec.apply' is just a request; this 'apply' means we actually parsed the RG tags and are ready to go */ + double scale; + DitherContext dither_context; + } replaygain; + + FLAC__bool test_only; + FLAC__bool analysis_mode; + analysis_options aopts; + utils__SkipUntilSpecification *skip_specification; + utils__SkipUntilSpecification *until_specification; /* a canonicalized value of 0 mean end-of-stream (i.e. --until=-0) */ + utils__CueSpecification *cue_specification; + + const char *inbasefilename; + const char *infilename; + const char *outfilename; + + FLAC__uint64 samples_processed; + unsigned frame_counter; + FLAC__bool abort_flag; + FLAC__bool aborting_due_to_until; /* true if we intentionally abort decoding prematurely because we hit the --until point */ + FLAC__bool aborting_due_to_unparseable; /* true if we abort decoding because we hit an unparseable frame */ + + FLAC__bool iff_headers_need_fixup; + + FLAC__bool is_big_endian; + FLAC__bool is_unsigned_samples; + FLAC__bool got_stream_info; + FLAC__bool has_md5sum; + FLAC__uint64 total_samples; + unsigned bps; + unsigned channels; + unsigned sample_rate; + FLAC__uint32 channel_mask; + + /* these are used only in analyze mode */ + FLAC__uint64 decode_position; + + FLAC__StreamDecoder *decoder; + + FILE *fout; + + foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */ + off_t fm_offset1, fm_offset2, fm_offset3; +} DecoderSession; + + +static FLAC__bool is_big_endian_host_; + + +/* + * local routines + */ +static FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FLAC__bool is_aiff_out, FLAC__bool is_wave_out, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename); +static void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred); +static FLAC__bool DecoderSession_init_decoder(DecoderSession *d, const char *infilename); +static FLAC__bool DecoderSession_process(DecoderSession *d); +static int DecoderSession_finish_ok(DecoderSession *d); +static int DecoderSession_finish_error(DecoderSession *d); +static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input); +static FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples); +static FLAC__bool write_riff_wave_fmt_chunk(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask); +static FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate); +static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val); +static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val); +static FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val); +static FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val); +static FLAC__bool write_sane_extended(FILE *f, unsigned val); +static FLAC__bool fixup_iff_headers(DecoderSession *d); +static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); +static void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status); +static void print_error_with_state(const DecoderSession *d, const char *message); +static void print_stats(const DecoderSession *decoder_session); + + +/* + * public routines + */ +int flac__decode_aiff(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, wav_decode_options_t options) +{ + DecoderSession decoder_session; + + if(! + DecoderSession_construct( + &decoder_session, +#if FLAC__HAS_OGG + options.common.is_ogg, + options.common.use_first_serial_number, + options.common.serial_number, +#else + /*is_ogg=*/false, + /*use_first_serial_number=*/false, + /*serial_number=*/0, +#endif + /*is_aiff_out=*/true, + /*is_wave_out=*/false, + options.common.treat_warnings_as_errors, + options.common.continue_through_decode_errors, + options.common.channel_map_none, + options.common.replaygain_synthesis_spec, + analysis_mode, + aopts, + &options.common.skip_specification, + &options.common.until_specification, + options.common.has_cue_specification? &options.common.cue_specification : 0, + options.foreign_metadata, + infilename, + outfilename + ) + ) + return 1; + + if(!DecoderSession_init_decoder(&decoder_session, infilename)) + return DecoderSession_finish_error(&decoder_session); + + if(!DecoderSession_process(&decoder_session)) + return DecoderSession_finish_error(&decoder_session); + + return DecoderSession_finish_ok(&decoder_session); +} + +int flac__decode_wav(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, wav_decode_options_t options) +{ + DecoderSession decoder_session; + + if(! + DecoderSession_construct( + &decoder_session, +#if FLAC__HAS_OGG + options.common.is_ogg, + options.common.use_first_serial_number, + options.common.serial_number, +#else + /*is_ogg=*/false, + /*use_first_serial_number=*/false, + /*serial_number=*/0, +#endif + /*is_aiff_out=*/false, + /*is_wave_out=*/true, + options.common.treat_warnings_as_errors, + options.common.continue_through_decode_errors, + options.common.channel_map_none, + options.common.replaygain_synthesis_spec, + analysis_mode, + aopts, + &options.common.skip_specification, + &options.common.until_specification, + options.common.has_cue_specification? &options.common.cue_specification : 0, + options.foreign_metadata, + infilename, + outfilename + ) + ) + return 1; + + if(!DecoderSession_init_decoder(&decoder_session, infilename)) + return DecoderSession_finish_error(&decoder_session); + + if(!DecoderSession_process(&decoder_session)) + return DecoderSession_finish_error(&decoder_session); + + return DecoderSession_finish_ok(&decoder_session); +} + +int flac__decode_raw(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, raw_decode_options_t options) +{ + DecoderSession decoder_session; + + decoder_session.is_big_endian = options.is_big_endian; + decoder_session.is_unsigned_samples = options.is_unsigned_samples; + + if(! + DecoderSession_construct( + &decoder_session, +#if FLAC__HAS_OGG + options.common.is_ogg, + options.common.use_first_serial_number, + options.common.serial_number, +#else + /*is_ogg=*/false, + /*use_first_serial_number=*/false, + /*serial_number=*/0, +#endif + /*is_aiff_out=*/false, + /*is_wave_out=*/false, + options.common.treat_warnings_as_errors, + options.common.continue_through_decode_errors, + options.common.channel_map_none, + options.common.replaygain_synthesis_spec, + analysis_mode, + aopts, + &options.common.skip_specification, + &options.common.until_specification, + options.common.has_cue_specification? &options.common.cue_specification : 0, + /*foreign_metadata=*/NULL, + infilename, + outfilename + ) + ) + return 1; + + if(!DecoderSession_init_decoder(&decoder_session, infilename)) + return DecoderSession_finish_error(&decoder_session); + + if(!DecoderSession_process(&decoder_session)) + return DecoderSession_finish_error(&decoder_session); + + return DecoderSession_finish_ok(&decoder_session); +} + +FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FLAC__bool is_aiff_out, FLAC__bool is_wave_out, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename) +{ +#if FLAC__HAS_OGG + d->is_ogg = is_ogg; + d->use_first_serial_number = use_first_serial_number; + d->serial_number = serial_number; +#else + (void)is_ogg; + (void)use_first_serial_number; + (void)serial_number; +#endif + + d->is_aiff_out = is_aiff_out; + d->is_wave_out = is_wave_out; + d->treat_warnings_as_errors = treat_warnings_as_errors; + d->continue_through_decode_errors = continue_through_decode_errors; + d->channel_map_none = channel_map_none; + d->replaygain.spec = replaygain_synthesis_spec; + d->replaygain.apply = false; + d->replaygain.scale = 0.0; + /* d->replaygain.dither_context gets initialized later once we know the sample resolution */ + d->test_only = (0 == outfilename); + d->analysis_mode = analysis_mode; + d->aopts = aopts; + d->skip_specification = skip_specification; + d->until_specification = until_specification; + d->cue_specification = cue_specification; + + d->inbasefilename = grabbag__file_get_basename(infilename); + d->infilename = infilename; + d->outfilename = outfilename; + + d->samples_processed = 0; + d->frame_counter = 0; + d->abort_flag = false; + d->aborting_due_to_until = false; + d->aborting_due_to_unparseable = false; + + d->iff_headers_need_fixup = false; + + d->total_samples = 0; + d->got_stream_info = false; + d->has_md5sum = false; + d->bps = 0; + d->channels = 0; + d->sample_rate = 0; + d->channel_mask = 0; + + d->decode_position = 0; + + d->decoder = 0; + + d->fout = 0; /* initialized with an open file later if necessary */ + + d->foreign_metadata = foreign_metadata; + + FLAC__ASSERT(!(d->test_only && d->analysis_mode)); + + if(!d->test_only) { + if(0 == strcmp(outfilename, "-")) { + d->fout = grabbag__file_get_binary_stdout(); + } + else { + if(0 == (d->fout = fopen(outfilename, "wb"))) { + flac__utils_printf(stderr, 1, "%s: ERROR: can't open output file %s: %s\n", d->inbasefilename, outfilename, strerror(errno)); + DecoderSession_destroy(d, /*error_occurred=*/true); + return false; + } + } + } + + if(analysis_mode) + flac__analyze_init(aopts); + + return true; +} + +void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred) +{ + if(0 != d->fout && d->fout != stdout) { + fclose(d->fout); + if(error_occurred) + unlink(d->outfilename); + } +} + +FLAC__bool DecoderSession_init_decoder(DecoderSession *decoder_session, const char *infilename) +{ + FLAC__StreamDecoderInitStatus init_status; + FLAC__uint32 test = 1; + + is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true; + + if(!decoder_session->analysis_mode && !decoder_session->test_only && (decoder_session->is_wave_out || decoder_session->is_aiff_out)) { + if(decoder_session->foreign_metadata) { + const char *error; + if(!flac__foreign_metadata_read_from_flac(decoder_session->foreign_metadata, infilename, &error)) { + flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", decoder_session->inbasefilename, error); + return false; + } + } + } + + decoder_session->decoder = FLAC__stream_decoder_new(); + + if(0 == decoder_session->decoder) { + flac__utils_printf(stderr, 1, "%s: ERROR creating the decoder instance\n", decoder_session->inbasefilename); + return false; + } + + FLAC__stream_decoder_set_md5_checking(decoder_session->decoder, true); + if (0 != decoder_session->cue_specification) + FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_CUESHEET); + if (decoder_session->replaygain.spec.apply) + FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT); + +#if FLAC__HAS_OGG + if(decoder_session->is_ogg) { + if(!decoder_session->use_first_serial_number) + FLAC__stream_decoder_set_ogg_serial_number(decoder_session->decoder, decoder_session->serial_number); + init_status = FLAC__stream_decoder_init_ogg_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session); + } + else +#endif + { + init_status = FLAC__stream_decoder_init_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session); + } + + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + print_error_with_init_status(decoder_session, "ERROR initializing decoder", init_status); + return false; + } + + return true; +} + +FLAC__bool DecoderSession_process(DecoderSession *d) +{ + if(!FLAC__stream_decoder_process_until_end_of_metadata(d->decoder)) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR while decoding metadata"); + return false; + } + if(FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR during metadata decoding"); + if(!d->continue_through_decode_errors) + return false; + } + + if(d->abort_flag) + return false; + + /* set channel mapping */ + if(!d->channel_map_none) { + /* currently FLAC order matches SMPTE/WAVEFORMATEXTENSIBLE order, so no reordering is necessary; see encode.c */ + /* only the channel mask must be set if it was not already picked up from the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag */ + if(d->channels == 1) { + if(d->channel_mask == 0) + d->channel_mask = 0x0001; + } + else if(d->channels == 2) { + if(d->channel_mask == 0) + d->channel_mask = 0x0003; + } + else if(d->channels == 3) { + if(d->channel_mask == 0) + d->channel_mask = 0x0007; + } + else if(d->channels == 4) { + if(d->channel_mask == 0) + d->channel_mask = 0x0033; + } + else if(d->channels == 5) { + if(d->channel_mask == 0) + d->channel_mask = 0x0607; + } + else if(d->channels == 6) { + if(d->channel_mask == 0) + d->channel_mask = 0x060f; + } + } + + /* write the WAVE/AIFF headers if necessary */ + if(!d->analysis_mode && !d->test_only && (d->is_wave_out || d->is_aiff_out)) { + if(!write_iff_headers(d->fout, d, d->total_samples)) { + d->abort_flag = true; + return false; + } + } + + if(d->skip_specification->value.samples > 0) { + const FLAC__uint64 skip = (FLAC__uint64)d->skip_specification->value.samples; + + if(!FLAC__stream_decoder_seek_absolute(d->decoder, skip)) { + print_error_with_state(d, "ERROR seeking while skipping bytes"); + return false; + } + } + if(!FLAC__stream_decoder_process_until_end_of_stream(d->decoder) && !d->aborting_due_to_until) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR while decoding data"); + if(!d->continue_through_decode_errors) + return false; + } + if( + (d->abort_flag && !(d->aborting_due_to_until || d->continue_through_decode_errors)) || + (FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM && !d->aborting_due_to_until) + ) { + flac__utils_printf(stderr, 2, "\n"); + print_error_with_state(d, "ERROR during decoding"); + return false; + } + + if(!d->analysis_mode && !d->test_only && (d->is_wave_out || d->is_aiff_out) && ((d->total_samples * d->channels * ((d->bps+7)/8)) & 1)) { + if(flac__utils_fwrite("\000", 1, 1, d->fout) != 1) { + print_error_with_state(d, d->is_wave_out? + "ERROR writing pad byte to WAVE data chunk" : + "ERROR writing pad byte to AIFF SSND chunk" + ); + return false; + } + } + + return true; +} + +int DecoderSession_finish_ok(DecoderSession *d) +{ + FLAC__bool ok = true, md5_failure = false; + + if(d->decoder) { + md5_failure = !FLAC__stream_decoder_finish(d->decoder) && !d->aborting_due_to_until; + print_stats(d); + FLAC__stream_decoder_delete(d->decoder); + } + if(d->analysis_mode) + flac__analyze_finish(d->aopts); + if(md5_failure) { + flac__utils_printf(stderr, 1, "\r%s: ERROR, MD5 signature mismatch\n", d->inbasefilename); + ok = d->continue_through_decode_errors; + } + else { + if(!d->got_stream_info) { + flac__utils_printf(stderr, 1, "\r%s: WARNING, cannot check MD5 signature since there was no STREAMINFO\n", d->inbasefilename); + ok = !d->treat_warnings_as_errors; + } + else if(!d->has_md5sum) { + flac__utils_printf(stderr, 1, "\r%s: WARNING, cannot check MD5 signature since it was unset in the STREAMINFO\n", d->inbasefilename); + ok = !d->treat_warnings_as_errors; + } + flac__utils_printf(stderr, 2, "\r%s: %s \n", d->inbasefilename, d->test_only? "ok ":d->analysis_mode?"done ":"done"); + } + DecoderSession_destroy(d, /*error_occurred=*/!ok); + if(!d->analysis_mode && !d->test_only && (d->is_wave_out || d->is_aiff_out)) { + if(d->iff_headers_need_fixup || (!d->got_stream_info && strcmp(d->outfilename, "-"))) { + if(!fixup_iff_headers(d)) + return 1; + } + if(d->foreign_metadata) { + const char *error; + if(!flac__foreign_metadata_write_to_iff(d->foreign_metadata, d->infilename, d->outfilename, d->fm_offset1, d->fm_offset2, d->fm_offset3, &error)) { + flac__utils_printf(stderr, 1, "ERROR updating foreign metadata from %s to %s: %s\n", d->infilename, d->outfilename, error); + return 1; + } + } + } + return ok? 0 : 1; +} + +int DecoderSession_finish_error(DecoderSession *d) +{ + if(d->decoder) { + (void)FLAC__stream_decoder_finish(d->decoder); + FLAC__stream_decoder_delete(d->decoder); + } + if(d->analysis_mode) + flac__analyze_finish(d->aopts); + DecoderSession_destroy(d, /*error_occurred=*/true); + return 1; +} + +FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input) +{ + /* convert from mm:ss.sss to sample number if necessary */ + flac__utils_canonicalize_skip_until_specification(spec, sample_rate); + + /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */ + if(spec->is_relative && spec->value.samples == 0) { + spec->is_relative = false; + return true; + } + + /* in any other case the total samples in the input must be known */ + if(total_samples_in_input == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when FLAC metadata has total sample count of 0\n", inbasefilename); + return false; + } + + FLAC__ASSERT(spec->value_is_samples); + + /* convert relative specifications to absolute */ + if(spec->is_relative) { + if(spec->value.samples <= 0) + spec->value.samples += (FLAC__int64)total_samples_in_input; + else + spec->value.samples += skip; + spec->is_relative = false; + } + + /* error check */ + if(spec->value.samples < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples <= skip) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename); + return false; + } + if((FLAC__uint64)spec->value.samples > total_samples_in_input) { + flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename); + return false; + } + + return true; +} + +FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples) +{ + const char *fmt_desc = decoder_session->is_wave_out? "WAVE" : "AIFF"; + const FLAC__bool is_waveformatextensible = decoder_session->is_wave_out && (decoder_session->channel_mask == 2 || decoder_session->channel_mask > 3 || decoder_session->bps%8 || decoder_session->channels > 2); + FLAC__uint64 data_size = samples * decoder_session->channels * ((decoder_session->bps+7)/8); + const FLAC__uint32 aligned_data_size = (FLAC__uint32)((data_size+1) & (~1U)); /* we'll check for overflow later */ + + unsigned foreign_metadata_size = 0; /* size of all non-audio non-fmt/COMM foreign metadata chunks */ + foreign_metadata_t *fm = decoder_session->foreign_metadata; + size_t i; + + if(samples == 0) { + if(f == stdout) { + flac__utils_printf(stderr, 1, "%s: WARNING, don't have accurate sample count available for %s header.\n", decoder_session->inbasefilename, fmt_desc); + flac__utils_printf(stderr, 1, " Generated %s file will have a data chunk size of 0. Try\n", fmt_desc); + flac__utils_printf(stderr, 1, " decoding directly to a file instead.\n"); + if(decoder_session->treat_warnings_as_errors) + return false; + } + else { + decoder_session->iff_headers_need_fixup = true; + } + } + + if(fm) { + FLAC__ASSERT(fm->format_block); + FLAC__ASSERT(fm->audio_block); + FLAC__ASSERT(fm->format_block < fm->audio_block); + /* calc foreign metadata size; for RIFF/AIFF we always skip the first chunk, format chunk, and sound chunk since we write our own */ + for(i = 1; i < fm->num_blocks; i++) { + if(i != fm->format_block && i != fm->audio_block) + foreign_metadata_size += fm->blocks[i].size; + } + } + + if(data_size + foreign_metadata_size + 60/*worst-case*/ >= 0xFFFFFFF4) { + flac__utils_printf(stderr, 1, "%s: ERROR: stream is too big to fit in a single %s file\n", decoder_session->inbasefilename, fmt_desc); + return false; + } + + if(decoder_session->is_wave_out) { + if(flac__utils_fwrite("RIFF", 1, 4, f) != 4) + return false; + + if(!write_little_endian_uint32(f, foreign_metadata_size + aligned_data_size + (is_waveformatextensible?60:36))) /* filesize-8 */ + return false; + + if(flac__utils_fwrite("WAVE", 1, 4, f) != 4) + return false; + + decoder_session->fm_offset1 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} before "fmt " */ + for(i = 1; i < fm->format_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"fmt \"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(!write_riff_wave_fmt_chunk(f, is_waveformatextensible, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate, decoder_session->channel_mask)) + return false; + + decoder_session->fm_offset2 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} after "fmt " but before "data" */ + for(i = fm->format_block+1; i < fm->audio_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"fmt \"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(flac__utils_fwrite("data", 1, 4, f) != 4) + return false; + + if(!write_little_endian_uint32(f, (FLAC__uint32)data_size)) /* data size */ + return false; + + decoder_session->fm_offset3 = ftello(f) + aligned_data_size; + } + else { + FLAC__uint32 ssnd_offset_size = (fm? fm->ssnd_offset_size : 0); + + if(flac__utils_fwrite("FORM", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, foreign_metadata_size + aligned_data_size + 46 + ssnd_offset_size)) /* filesize-8 */ + return false; + + if(flac__utils_fwrite("AIFF", 1, 4, f) != 4) + return false; + + decoder_session->fm_offset1 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} before "COMM" */ + for(i = 1; i < fm->format_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"COMM\"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(!write_aiff_form_comm_chunk(f, samples, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate)) + return false; + + decoder_session->fm_offset2 = ftello(f); + + if(fm) { + /* seek forward to {allocate} or {skip over already-written chunks} after "COMM" but before "SSND" */ + for(i = fm->format_block+1; i < fm->audio_block; i++) { + if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"COMM\"\n", decoder_session->inbasefilename); + return false; + } + } + } + + if(flac__utils_fwrite("SSND", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, (FLAC__uint32)data_size + 8 + ssnd_offset_size)) /* data size */ + return false; + + if(!write_big_endian_uint32(f, ssnd_offset_size)) + return false; + + if(!write_big_endian_uint32(f, 0/*block_size*/)) + return false; + + if(ssnd_offset_size) { + /* seek forward to {allocate} or {skip over already-written} SSND offset */ + if(fseeko(f, ssnd_offset_size, SEEK_CUR) < 0) { + flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping \"SSND\" offset\n", decoder_session->inbasefilename); + return false; + } + } + + decoder_session->fm_offset3 = ftello(f) + aligned_data_size; + } + + return true; +} + +FLAC__bool write_riff_wave_fmt_chunk(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask) +{ + if(flac__utils_fwrite("fmt ", 1, 4, f) != 4) + return false; + + if(!write_little_endian_uint32(f, is_waveformatextensible? 40 : 16)) /* chunk size */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)(is_waveformatextensible? 65534 : 1))) /* compression code */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)channels)) + return false; + + if(!write_little_endian_uint32(f, sample_rate)) + return false; + + if(!write_little_endian_uint32(f, sample_rate * channels * ((bps+7) / 8))) + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * ((bps+7) / 8)))) /* block align */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)(((bps+7)/8)*8))) /* bits per sample */ + return false; + + if(is_waveformatextensible) { + if(!write_little_endian_uint16(f, (FLAC__uint16)22)) /* cbSize */ + return false; + + if(!write_little_endian_uint16(f, (FLAC__uint16)bps)) /* validBitsPerSample */ + return false; + + if(!write_little_endian_uint32(f, channel_mask)) + return false; + + /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */ + if(flac__utils_fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16) + return false; + } + + return true; +} + +FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate) +{ + FLAC__ASSERT(samples <= 0xffffffff); + + if(flac__utils_fwrite("COMM", 1, 4, f) != 4) + return false; + + if(!write_big_endian_uint32(f, 18)) /* chunk size = 18 */ + return false; + + if(!write_big_endian_uint16(f, (FLAC__uint16)channels)) + return false; + + if(!write_big_endian_uint32(f, (FLAC__uint32)samples)) + return false; + + if(!write_big_endian_uint16(f, (FLAC__uint16)bps)) + return false; + + if(!write_sane_extended(f, sample_rate)) + return false; + + return true; +} + +FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[1]; b[1] = b[0]; b[0] = tmp; + } + return flac__utils_fwrite(b, 1, 2, f) == 2; +} + +FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[3]; b[3] = b[0]; b[0] = tmp; + tmp = b[2]; b[2] = b[1]; b[1] = tmp; + } + return flac__utils_fwrite(b, 1, 4, f) == 4; +} + +FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(!is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[1]; b[1] = b[0]; b[0] = tmp; + } + return flac__utils_fwrite(b, 1, 2, f) == 2; +} + +FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val) +{ + FLAC__byte *b = (FLAC__byte*)(&val); + if(!is_big_endian_host_) { + FLAC__byte tmp; + tmp = b[3]; b[3] = b[0]; b[0] = tmp; + tmp = b[2]; b[2] = b[1]; b[1] = tmp; + } + return flac__utils_fwrite(b, 1, 4, f) == 4; +} + +FLAC__bool write_sane_extended(FILE *f, unsigned val) + /* Write to 'f' a SANE extended representation of 'val'. Return false if + * the write succeeds; return true otherwise. + * + * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits + * of exponent, and 64 bits of significand (mantissa). Unlike most IEEE-754 + * representations, it does not imply a 1 above the MSB of the significand. + * + * Preconditions: + * val!=0U + */ +{ + unsigned int shift, exponent; + + FLAC__ASSERT(val!=0U); /* handling 0 would require a special case */ + + for(shift= 0U; (val>>(31-shift))==0U; ++shift) + ; + val<<= shift; + exponent= 63U-(shift+32U); /* add 32 for unused second word */ + + if(!write_big_endian_uint16(f, (FLAC__uint16)(exponent+0x3FFF))) + return false; + if(!write_big_endian_uint32(f, val)) + return false; + if(!write_big_endian_uint32(f, 0)) /* unused second word */ + return false; + + return true; +} + +FLAC__bool fixup_iff_headers(DecoderSession *d) +{ + const char *fmt_desc = (d->is_wave_out? "WAVE" : "AIFF"); + FILE *f = fopen(d->outfilename, "r+b"); /* stream is positioned at beginning of file */ + + if(0 == f) { + flac__utils_printf(stderr, 1, "ERROR, couldn't open file %s while fixing up %s chunk size: %s\n", d->outfilename, fmt_desc, strerror(errno)); + return false; + } + + if(!write_iff_headers(f, d, d->samples_processed)) { + fclose(f); + return false; + } + + fclose(f); + return true; +} + +FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + FILE *fout = decoder_session->fout; + const unsigned bps = frame->header.bits_per_sample, channels = frame->header.channels; + const unsigned shift = ((decoder_session->is_wave_out || decoder_session->is_aiff_out) && (bps%8)? 8-(bps%8): 0); + FLAC__bool is_big_endian = (decoder_session->is_aiff_out? true : (decoder_session->is_wave_out? false : decoder_session->is_big_endian)); + FLAC__bool is_unsigned_samples = (decoder_session->is_aiff_out? false : (decoder_session->is_wave_out? bps<=8 : decoder_session->is_unsigned_samples)); + unsigned wide_samples = frame->header.blocksize, wide_sample, sample, channel, byte; + unsigned frame_bytes = 0; + static FLAC__int8 s8buffer[FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int32)]; /* WATCHOUT: can be up to 2 megs */ + FLAC__uint8 *u8buffer = (FLAC__uint8 *)s8buffer; + FLAC__int16 *s16buffer = (FLAC__int16 *)s8buffer; + FLAC__uint16 *u16buffer = (FLAC__uint16 *)s8buffer; + FLAC__int32 *s32buffer = (FLAC__int32 *)s8buffer; + FLAC__uint32 *u32buffer = (FLAC__uint32 *)s8buffer; + size_t bytes_to_write = 0; + + (void)decoder; + + if(decoder_session->abort_flag) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + /* sanity-check the bits-per-sample */ + if(decoder_session->bps) { + if(bps != decoder_session->bps) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, bps, decoder_session->bps); + else + flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, bps, decoder_session->bps); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the bps from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + decoder_session->bps = bps; + } + + /* sanity-check the #channels */ + if(decoder_session->channels) { + if(channels != decoder_session->channels) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, channels, decoder_session->channels); + else + flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, channels, decoder_session->channels); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the #channels from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + decoder_session->channels = channels; + } + + /* sanity-check the sample rate */ + if(decoder_session->sample_rate) { + if(frame->header.sample_rate != decoder_session->sample_rate) { + if(decoder_session->got_stream_info) + flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate); + else + flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate); + if(!decoder_session->continue_through_decode_errors) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + else { + /* must not have gotten STREAMINFO, save the sample rate from the frame header */ + FLAC__ASSERT(!decoder_session->got_stream_info); + decoder_session->sample_rate = frame->header.sample_rate; + } + + /* + * limit the number of samples to accept based on --until + */ + FLAC__ASSERT(!decoder_session->skip_specification->is_relative); + /* if we never got the total_samples from the metadata, the skip and until specs would never have been canonicalized, so protect against that: */ + if(decoder_session->skip_specification->is_relative) { + if(decoder_session->skip_specification->value.samples == 0) /* special case for when no --skip was given */ + decoder_session->skip_specification->is_relative = false; /* convert to our meaning of beginning-of-stream */ + else { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --skip because the total sample count was not found in the metadata\n", decoder_session->inbasefilename); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + if(decoder_session->until_specification->is_relative) { + if(decoder_session->until_specification->value.samples == 0) /* special case for when no --until was given */ + decoder_session->until_specification->is_relative = false; /* convert to our meaning of end-of-stream */ + else { + flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until because the total sample count was not found in the metadata\n", decoder_session->inbasefilename); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + if(decoder_session->until_specification->value.samples > 0) { + const FLAC__uint64 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples; + const FLAC__uint64 until = (FLAC__uint64)decoder_session->until_specification->value.samples; + const FLAC__uint64 input_samples_passed = skip + decoder_session->samples_processed; + FLAC__ASSERT(until >= input_samples_passed); + if(input_samples_passed + wide_samples > until) + wide_samples = (unsigned)(until - input_samples_passed); + if (wide_samples == 0) { + decoder_session->abort_flag = true; + decoder_session->aborting_due_to_until = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + + if(decoder_session->analysis_mode) { + FLAC__uint64 dpos; + FLAC__stream_decoder_get_decode_position(decoder_session->decoder, &dpos); + frame_bytes = (unsigned)(dpos-decoder_session->decode_position); + decoder_session->decode_position = dpos; + } + + if(wide_samples > 0) { + decoder_session->samples_processed += wide_samples; + decoder_session->frame_counter++; + + if(!(decoder_session->frame_counter & 0x3f)) + print_stats(decoder_session); + + if(decoder_session->analysis_mode) { + flac__analyze_frame(frame, decoder_session->frame_counter-1, decoder_session->decode_position-frame_bytes, frame_bytes, decoder_session->aopts, fout); + } + else if(!decoder_session->test_only) { + if(shift && !decoder_session->replaygain.apply) { + for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++) + ((FLAC__int32**)buffer)[channel][wide_sample] <<= shift;/*@@@@@@un-const'ing the buffer is hacky but safe*/ + } + if(decoder_session->replaygain.apply) { + bytes_to_write = FLAC__replaygain_synthesis__apply_gain( + u8buffer, + !is_big_endian, + is_unsigned_samples, + buffer, + wide_samples, + channels, + bps, /* source_bps */ + bps+shift, /* target_bps */ + decoder_session->replaygain.scale, + decoder_session->replaygain.spec.limiter == RGSS_LIMIT__HARD, /* hard_limit */ + decoder_session->replaygain.spec.noise_shaping != NOISE_SHAPING_NONE, /* do_dithering */ + &decoder_session->replaygain.dither_context + ); + } + /* first some special code for common cases */ + else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 2 && bps+shift == 16) { + FLAC__int16 *buf1_ = s16buffer + 1; + if(is_big_endian) + memcpy(s16buffer, ((FLAC__byte*)(buffer[0]))+2, sizeof(FLAC__int32) * wide_samples - 2); + else + memcpy(s16buffer, buffer[0], sizeof(FLAC__int32) * wide_samples); + for(sample = 0; sample < wide_samples; sample++, buf1_+=2) + *buf1_ = (FLAC__int16)buffer[1][sample]; + bytes_to_write = 4 * sample; + } + else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 1 && bps+shift == 16) { + FLAC__int16 *buf1_ = s16buffer; + for(sample = 0; sample < wide_samples; sample++) + *buf1_++ = (FLAC__int16)buffer[0][sample]; + bytes_to_write = 2 * sample; + } + /* generic code for the rest */ + else if(bps+shift == 16) { + if(is_unsigned_samples) { + if(channels == 2) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000); + u16buffer[sample++] = (FLAC__uint16)(buffer[1][wide_sample] + 0x8000); + } + } + else if(channels == 1) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000); + } + else { /* works for any 'channels' but above flavors are faster for 1 and 2 */ + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + u16buffer[sample] = (FLAC__uint16)(buffer[channel][wide_sample] + 0x8000); + } + } + else { + if(channels == 2) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) { + s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]); + s16buffer[sample++] = (FLAC__int16)(buffer[1][wide_sample]); + } + } + else if(channels == 1) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]); + } + else { /* works for any 'channels' but above flavors are faster for 1 and 2 */ + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + s16buffer[sample] = (FLAC__int16)(buffer[channel][wide_sample]); + } + } + if(is_big_endian != is_big_endian_host_) { + unsigned char tmp; + const unsigned bytes = sample * 2; + for(byte = 0; byte < bytes; byte += 2) { + tmp = u8buffer[byte]; + u8buffer[byte] = u8buffer[byte+1]; + u8buffer[byte+1] = tmp; + } + } + bytes_to_write = 2 * sample; + } + else if(bps+shift == 24) { + if(is_unsigned_samples) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + u32buffer[sample] = buffer[channel][wide_sample] + 0x800000; + } + else { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + s32buffer[sample] = buffer[channel][wide_sample]; + } + if(is_big_endian != is_big_endian_host_) { + unsigned char tmp; + const unsigned bytes = sample * 4; + for(byte = 0; byte < bytes; byte += 4) { + tmp = u8buffer[byte]; + u8buffer[byte] = u8buffer[byte+3]; + u8buffer[byte+3] = tmp; + tmp = u8buffer[byte+1]; + u8buffer[byte+1] = u8buffer[byte+2]; + u8buffer[byte+2] = tmp; + } + } + if(is_big_endian) { + unsigned lbyte; + const unsigned bytes = sample * 4; + for(lbyte = byte = 0; byte < bytes; ) { + byte++; + u8buffer[lbyte++] = u8buffer[byte++]; + u8buffer[lbyte++] = u8buffer[byte++]; + u8buffer[lbyte++] = u8buffer[byte++]; + } + } + else { + unsigned lbyte; + const unsigned bytes = sample * 4; + for(lbyte = byte = 0; byte < bytes; ) { + u8buffer[lbyte++] = u8buffer[byte++]; + u8buffer[lbyte++] = u8buffer[byte++]; + u8buffer[lbyte++] = u8buffer[byte++]; + byte++; + } + } + bytes_to_write = 3 * sample; + } + else if(bps+shift == 8) { + if(is_unsigned_samples) { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + u8buffer[sample] = (FLAC__uint8)(buffer[channel][wide_sample] + 0x80); + } + else { + for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) + for(channel = 0; channel < channels; channel++, sample++) + s8buffer[sample] = (FLAC__int8)(buffer[channel][wide_sample]); + } + bytes_to_write = sample; + } + else { + FLAC__ASSERT(0); + /* double protection */ + decoder_session->abort_flag = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + } + if(bytes_to_write > 0) { + if(flac__utils_fwrite(u8buffer, 1, bytes_to_write, fout) != bytes_to_write) { + /* if a pipe closed when writing to stdout, we let it go without an error message */ + if(errno == EPIPE && decoder_session->fout == stdout) + decoder_session->aborting_due_to_until = true; + decoder_session->abort_flag = true; + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + + if(decoder_session->analysis_mode) + FLAC__stream_decoder_get_decode_position(decoder, &decoder_session->decode_position); + + if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) { + FLAC__uint64 skip, until; + decoder_session->got_stream_info = true; + decoder_session->has_md5sum = memcmp(metadata->data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16); + decoder_session->bps = metadata->data.stream_info.bits_per_sample; + decoder_session->channels = metadata->data.stream_info.channels; + decoder_session->sample_rate = metadata->data.stream_info.sample_rate; + + flac__utils_canonicalize_skip_until_specification(decoder_session->skip_specification, decoder_session->sample_rate); + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + skip = (FLAC__uint64)decoder_session->skip_specification->value.samples; + + /* remember, metadata->data.stream_info.total_samples can be 0, meaning 'unknown' */ + if(metadata->data.stream_info.total_samples > 0 && skip >= metadata->data.stream_info.total_samples) { + flac__utils_printf(stderr, 1, "%s: ERROR trying to --skip more samples than in stream\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + else if(metadata->data.stream_info.total_samples == 0 && skip > 0) { + flac__utils_printf(stderr, 1, "%s: ERROR, can't --skip when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + FLAC__ASSERT(skip == 0 || 0 == decoder_session->cue_specification); + decoder_session->total_samples = metadata->data.stream_info.total_samples - skip; + + /* note that we use metadata->data.stream_info.total_samples instead of decoder_session->total_samples */ + if(!canonicalize_until_specification(decoder_session->until_specification, decoder_session->inbasefilename, decoder_session->sample_rate, skip, metadata->data.stream_info.total_samples)) { + decoder_session->abort_flag = true; + return; + } + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + until = (FLAC__uint64)decoder_session->until_specification->value.samples; + + if(until > 0) { + FLAC__ASSERT(decoder_session->total_samples != 0); + FLAC__ASSERT(0 == decoder_session->cue_specification); + decoder_session->total_samples -= (metadata->data.stream_info.total_samples - until); + } + + if(decoder_session->bps < 4 || decoder_session->bps > 24) { + flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 4-24\n", decoder_session->inbasefilename, decoder_session->bps); + decoder_session->abort_flag = true; + return; + } + } + else if(metadata->type == FLAC__METADATA_TYPE_CUESHEET) { + /* remember, at this point, decoder_session->total_samples can be 0, meaning 'unknown' */ + if(decoder_session->total_samples == 0) { + flac__utils_printf(stderr, 1, "%s: ERROR can't use --cue when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename); + decoder_session->abort_flag = true; + return; + } + + flac__utils_canonicalize_cue_specification(decoder_session->cue_specification, &metadata->data.cue_sheet, decoder_session->total_samples, decoder_session->skip_specification, decoder_session->until_specification); + + FLAC__ASSERT(!decoder_session->skip_specification->is_relative); + FLAC__ASSERT(decoder_session->skip_specification->value_is_samples); + + FLAC__ASSERT(!decoder_session->until_specification->is_relative); + FLAC__ASSERT(decoder_session->until_specification->value_is_samples); + + FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0); + FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0); + FLAC__ASSERT((FLAC__uint64)decoder_session->until_specification->value.samples <= decoder_session->total_samples); + FLAC__ASSERT(decoder_session->skip_specification->value.samples <= decoder_session->until_specification->value.samples); + + decoder_session->total_samples = decoder_session->until_specification->value.samples - decoder_session->skip_specification->value.samples; + } + else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + if (decoder_session->replaygain.spec.apply) { + double reference, gain, peak; + if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, /*strict=*/false, &reference, &gain, &peak))) { + flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s (or even %s) ReplayGain tags\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", decoder_session->replaygain.spec.use_album_gain? "track":"album"); + if(decoder_session->treat_warnings_as_errors) { + decoder_session->abort_flag = true; + return; + } + } + else { + const char *ls[] = { "no", "peak", "hard" }; + const char *ns[] = { "no", "low", "medium", "high" }; + decoder_session->replaygain.scale = grabbag__replaygain_compute_scale_factor(peak, gain, decoder_session->replaygain.spec.preamp, decoder_session->replaygain.spec.limiter == RGSS_LIMIT__PEAK); + FLAC__ASSERT(decoder_session->bps > 0 && decoder_session->bps <= 32); + FLAC__replaygain_synthesis__init_dither_context(&decoder_session->replaygain.dither_context, decoder_session->bps, decoder_session->replaygain.spec.noise_shaping); + flac__utils_printf(stderr, 1, "%s: INFO: applying %s ReplayGain (gain=%0.2fdB+preamp=%0.1fdB, %s noise shaping, %s limiting) to output\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", gain, decoder_session->replaygain.spec.preamp, ns[decoder_session->replaygain.spec.noise_shaping], ls[decoder_session->replaygain.spec.limiter]); + flac__utils_printf(stderr, 1, "%s: WARNING: applying ReplayGain is not lossless\n", decoder_session->inbasefilename); + /* don't check if(decoder_session->treat_warnings_as_errors) because the user explicitly asked for it */ + } + } + (void)flac__utils_get_channel_mask_tag(metadata, &decoder_session->channel_mask); + } +} + +void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + DecoderSession *decoder_session = (DecoderSession*)client_data; + (void)decoder; + flac__utils_printf(stderr, 1, "%s: *** Got error code %d:%s\n", decoder_session->inbasefilename, status, FLAC__StreamDecoderErrorStatusString[status]); + if(!decoder_session->continue_through_decode_errors) { + decoder_session->abort_flag = true; + if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM) + decoder_session->aborting_due_to_unparseable = true; + } +} + +void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status) +{ + const int ilen = strlen(d->inbasefilename) + 1; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message); + + flac__utils_printf(stderr, 1, "%*s init status = %s\n", ilen, "", FLAC__StreamDecoderInitStatusString[init_status]); + + /* print out some more info for some errors: */ + if (init_status == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE) { + flac__utils_printf(stderr, 1, + "\n" + "An error occurred opening the input file; it is likely that it does not exist\n" + "or is not readable.\n" + ); + } +} + +void print_error_with_state(const DecoderSession *d, const char *message) +{ + const int ilen = strlen(d->inbasefilename) + 1; + + flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message); + flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", FLAC__stream_decoder_get_resolved_state_string(d->decoder)); + + /* print out some more info for some errors: */ + if (d->aborting_due_to_unparseable) { + flac__utils_printf(stderr, 1, + "\n" + "The FLAC stream may have been created by a more advanced encoder. Try\n" + " metaflac --show-vendor-tag %s\n" + "If the version number is greater than %s, this decoder is probably\n" + "not able to decode the file. If the version number is not, the file\n" + "may be corrupted, or you may have found a bug. In this case please\n" + "submit a bug report to\n" + " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n" + "Make sure to use the \"Monitor\" feature to monitor the bug status.\n", + d->inbasefilename, FLAC__VERSION_STRING + ); + } +} + +void print_stats(const DecoderSession *decoder_session) +{ + if(flac__utils_verbosity_ >= 2) { +#if defined _MSC_VER || defined __MINGW32__ + /* with MSVC you have to spoon feed it the casting */ + const double progress = (double)(FLAC__int64)decoder_session->samples_processed / (double)(FLAC__int64)decoder_session->total_samples * 100.0; +#else + const double progress = (double)decoder_session->samples_processed / (double)decoder_session->total_samples * 100.0; +#endif + if(decoder_session->total_samples > 0) { + fprintf(stderr, "\r%s: %s%u%% complete", + decoder_session->inbasefilename, + decoder_session->test_only? "testing, " : decoder_session->analysis_mode? "analyzing, " : "", + (unsigned)floor(progress + 0.5) + ); + } + else { + fprintf(stderr, "\r%s: %s %u samples", + decoder_session->inbasefilename, + decoder_session->test_only? "tested" : decoder_session->analysis_mode? "analyzed" : "wrote", + (unsigned)decoder_session->samples_processed + ); + } + } +} -- cgit v1.2.3-70-g09d2