FLAC_API FLAC__bool FLAC__file_encoder_set_bits_per_sample(FLAC__FileEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_->seekable_stream_encoder); if(encoder->protected_->state != FLAC__FILE_ENCODER_UNINITIALIZED) return false; return FLAC__seekable_stream_encoder_set_bits_per_sample(encoder->private_->seekable_stream_encoder, value); }
static int flac_output_open(const char *fname, const char *comment) { int fd; int nch; FLAC__StreamMetadata padding; FLAC__StreamMetadata *metadata[4]; int num_metadata = 0; #ifndef LEGACY_FLAC FLAC__StreamEncoderInitStatus init_status; #endif FLAC_ctx *ctx; if (flac_ctx == NULL) flac_session_close(); if (!(flac_ctx = (FLAC_ctx *)calloc(sizeof(FLAC_ctx), 1))) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s", strerror(errno)); return -1; } ctx = flac_ctx; ctx->in_bytes = ctx->out_bytes = 0; if(strcmp(fname, "-") == 0) { fd = 1; /* data to stdout */ if (comment == NULL) comment = "(stdout)"; } else { /* Open the audio file */ fd = open(fname, FILE_OUTPUT_MODE); if(fd < 0) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s: %s", fname, strerror(errno)); return -1; } if(comment == NULL) comment = fname; } dpm.fd = fd; nch = (dpm.encoding & PE_MONO) ? 1 : 2; if (0 < flac_options.padding) { padding.is_last = 0; padding.type = FLAC__METADATA_TYPE_PADDING; padding.length = flac_options.padding; metadata[num_metadata++] = &padding; } #ifdef LEGACY_FLAC #ifdef AU_OGGFLAC if (flac_options.isogg) { if ((ctx->encoder.ogg.stream = OggFLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create OggFLAC stream"); flac_session_close(); return -1; } OggFLAC__stream_encoder_set_channels(ctx->encoder.ogg.stream, nch); /* 16bps only */ OggFLAC__stream_encoder_set_bits_per_sample(ctx->encoder.ogg.stream, 16); /* set sequential number for serial */ serial_number++; if (serial_number == 1) { srand(time(NULL)); serial_number = rand(); } OggFLAC__stream_encoder_set_serial_number(ctx->encoder.ogg.stream, serial_number); OggFLAC__stream_encoder_set_verify(ctx->encoder.ogg.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } OggFLAC__stream_encoder_set_sample_rate(ctx->encoder.ogg.stream, dpm.rate); OggFLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.ogg.stream, flac_options.qlp_coeff_precision); /* expensive! */ OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.ogg.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { OggFLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.ogg.stream, flac_options.mid_side); OggFLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.ogg.stream, flac_options.adaptive_mid_side); } OggFLAC__stream_encoder_set_max_lpc_order(ctx->encoder.ogg.stream, flac_options.max_lpc_order); OggFLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.ogg.stream, flac_options.min_residual_partition_order); OggFLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.ogg.stream, flac_options.max_residual_partition_order); OggFLAC__stream_encoder_set_blocksize(ctx->encoder.ogg.stream, flac_options.blocksize); OggFLAC__stream_encoder_set_client_data(ctx->encoder.ogg.stream, ctx); if (0 < num_metadata) OggFLAC__stream_encoder_set_metadata(ctx->encoder.ogg.stream, metadata, num_metadata); /* set callback */ OggFLAC__stream_encoder_set_write_callback(ctx->encoder.ogg.stream, ogg_stream_encoder_write_callback); ctx->state.ogg = OggFLAC__stream_encoder_init(ctx->encoder.ogg.stream); if (ctx->state.ogg != OggFLAC__STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create OggFLAC state (%s)", OggFLAC__StreamEncoderStateString[ctx->state.ogg]); flac_session_close(); return -1; } } else #endif /* AU_OGGFLAC */ if (flac_options.seekable) { if ((ctx->encoder.flac.s_stream = FLAC__seekable_stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } FLAC__seekable_stream_encoder_set_channels(ctx->encoder.flac.s_stream, nch); /* 16bps only */ FLAC__seekable_stream_encoder_set_bits_per_sample(ctx->encoder.flac.s_stream, 16); FLAC__seekable_stream_encoder_set_verify(ctx->encoder.flac.s_stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__seekable_stream_encoder_set_sample_rate(ctx->encoder.flac.s_stream, dpm.rate); FLAC__seekable_stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.s_stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.s_stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__seekable_stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.s_stream, flac_options.mid_side); FLAC__seekable_stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.s_stream, flac_options.adaptive_mid_side); } FLAC__seekable_stream_encoder_set_max_lpc_order(ctx->encoder.flac.s_stream, flac_options.max_lpc_order); FLAC__seekable_stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.s_stream, flac_options.min_residual_partition_order); FLAC__seekable_stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.s_stream, flac_options.max_residual_partition_order); FLAC__seekable_stream_encoder_set_blocksize(ctx->encoder.flac.s_stream, flac_options.blocksize); FLAC__seekable_stream_encoder_set_client_data(ctx->encoder.flac.s_stream, ctx); if (0 < num_metadata) FLAC__seekable_stream_encoder_set_metadata(ctx->encoder.flac.s_stream, metadata, num_metadata); /* set callback */ /* FLAC__seekable_stream_encoder_set_metadata_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_metadata_callback); /* */ #if (!defined(__BORLANDC__) && !defined(__POCC__)) FLAC__stream_encoder_set_metadata_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_metadata_callback); /* */ #endif FLAC__seekable_stream_encoder_set_write_callback(ctx->encoder.flac.s_stream, flac_seekable_stream_encoder_write_callback); ctx->state.s_flac = FLAC__seekable_stream_encoder_init(ctx->encoder.flac.s_stream); if (ctx->state.s_flac != FLAC__SEEKABLE_STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC state (%s)", FLAC__SeekableStreamEncoderStateString[ctx->state.s_flac]); flac_session_close(); return -1; } } else { if ((ctx->encoder.flac.stream = FLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } FLAC__stream_encoder_set_channels(ctx->encoder.flac.stream, nch); /* 16bps only */ FLAC__stream_encoder_set_bits_per_sample(ctx->encoder.flac.stream, 16); FLAC__stream_encoder_set_verify(ctx->encoder.flac.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__stream_encoder_set_sample_rate(ctx->encoder.flac.stream, dpm.rate); FLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.stream, flac_options.mid_side); FLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.stream, flac_options.adaptive_mid_side); } FLAC__stream_encoder_set_max_lpc_order(ctx->encoder.flac.stream, flac_options.max_lpc_order); FLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.stream, flac_options.min_residual_partition_order); FLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.stream, flac_options.max_residual_partition_order); FLAC__stream_encoder_set_blocksize(ctx->encoder.flac.stream, flac_options.blocksize); FLAC__stream_encoder_set_client_data(ctx->encoder.flac.stream, ctx); if (0 < num_metadata) FLAC__stream_encoder_set_metadata(ctx->encoder.flac.stream, metadata, num_metadata); /* set callback */ FLAC__stream_encoder_set_metadata_callback(ctx->encoder.flac.stream, flac_stream_encoder_metadata_callback); FLAC__stream_encoder_set_write_callback(ctx->encoder.flac.stream, flac_stream_encoder_write_callback); ctx->state.flac = FLAC__stream_encoder_init(ctx->encoder.flac.stream); if (ctx->state.flac != FLAC__STREAM_ENCODER_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC state (%s)", FLAC__StreamEncoderStateString[ctx->state.flac]); flac_session_close(); return -1; } } #else /* !LEGACY_FLAC */ if ((ctx->encoder.flac.stream = FLAC__stream_encoder_new()) == NULL) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC stream"); flac_session_close(); return -1; } #ifdef AU_OGGFLAC if (flac_options.isogg) { /* set sequential number for serial */ serial_number++; if (serial_number == 1) { srand(time(NULL)); serial_number = rand(); } FLAC__stream_encoder_set_ogg_serial_number(ctx->encoder.flac.stream, serial_number); } #endif /* AU_OGGFLAC */ FLAC__stream_encoder_set_channels(ctx->encoder.flac.stream, nch); /* 16bps only */ FLAC__stream_encoder_set_bits_per_sample(ctx->encoder.flac.stream, 16); FLAC__stream_encoder_set_verify(ctx->encoder.flac.stream, flac_options.verify); if (!FLAC__format_sample_rate_is_valid(dpm.rate)) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "invalid sampling rate %d", dpm.rate); flac_session_close(); return -1; } FLAC__stream_encoder_set_sample_rate(ctx->encoder.flac.stream, dpm.rate); FLAC__stream_encoder_set_qlp_coeff_precision(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision); /* expensive! */ FLAC__stream_encoder_set_do_qlp_coeff_prec_search(ctx->encoder.flac.stream, flac_options.qlp_coeff_precision_search); if (nch == 2) { FLAC__stream_encoder_set_do_mid_side_stereo(ctx->encoder.flac.stream, flac_options.mid_side); FLAC__stream_encoder_set_loose_mid_side_stereo(ctx->encoder.flac.stream, flac_options.adaptive_mid_side); } FLAC__stream_encoder_set_max_lpc_order(ctx->encoder.flac.stream, flac_options.max_lpc_order); FLAC__stream_encoder_set_min_residual_partition_order(ctx->encoder.flac.stream, flac_options.min_residual_partition_order); FLAC__stream_encoder_set_max_residual_partition_order(ctx->encoder.flac.stream, flac_options.max_residual_partition_order); FLAC__stream_encoder_set_blocksize(ctx->encoder.flac.stream, flac_options.blocksize); if (0 < num_metadata) FLAC__stream_encoder_set_metadata(ctx->encoder.flac.stream, metadata, num_metadata); #ifdef AU_OGGFLAC if (flac_options.isogg) init_status = FLAC__stream_encoder_init_ogg_stream(ctx->encoder.flac.stream, flac_stream_encoder_write_callback, NULL, NULL, NULL, ctx); else #endif init_status = FLAC__stream_encoder_init_stream(ctx->encoder.flac.stream, flac_stream_encoder_write_callback, NULL, NULL, NULL, ctx); if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "cannot create FLAC encoder (init status: %s)", FLAC__StreamEncoderInitStatusString[init_status]); flac_session_close(); return -1; } #endif return 0; }