bool ACMStream::open(const AEncodeProperties & the_Properties) { bool bResult = false; // Init the MP3 Stream // Init the global flags structure gfp = lame_init(); // Set input sample frequency lame_set_in_samplerate( gfp, my_SamplesPerSec ); // Set output sample frequency lame_set_out_samplerate( gfp, my_OutBytesPerSec ); lame_set_num_channels( gfp, my_Channels ); if (my_Channels == 1) lame_set_mode( gfp, MONO ); else lame_set_mode( gfp, (MPEG_mode_e)the_Properties.GetChannelModeValue()) ; /// \todo Get the mode from the default configuration // lame_set_VBR( gfp, vbr_off ); /// \note VBR not supported for the moment lame_set_VBR( gfp, my_VBRMode ); /// \note VBR not supported for the moment if (my_VBRMode == vbr_abr) { lame_set_VBR_q( gfp, 1 ); lame_set_VBR_mean_bitrate_kbps( gfp, (my_AvgBytesPerSec * 8 + 500) / 1000 ); if (24000 > lame_get_in_samplerate( gfp )) { // For MPEG-II lame_set_VBR_min_bitrate_kbps( gfp, 8); lame_set_VBR_max_bitrate_kbps( gfp, 160); } else { // For MPEG-I lame_set_VBR_min_bitrate_kbps( gfp, 32); lame_set_VBR_max_bitrate_kbps( gfp, 320); } } // Set bitrate lame_set_brate( gfp, my_AvgBytesPerSec * 8 / 1000 ); /// \todo Get the mode from the default configuration // Set copyright flag? lame_set_copyright( gfp, the_Properties.GetCopyrightMode()?1:0 ); // Do we have to tag it as non original lame_set_original( gfp, the_Properties.GetOriginalMode()?1:0 ); // Add CRC? lame_set_error_protection( gfp, the_Properties.GetCRCMode()?1:0 ); // Set private bit? lame_set_extension( gfp, the_Properties.GetPrivateMode()?1:0 ); // INFO tag support not possible in ACM - it requires rewinding // output stream to the beginning after encoding is finished. lame_set_bWriteVbrTag( gfp, 0 ); if (0 == lame_init_params( gfp )) { //LAME encoding call will accept any number of samples. if ( 0 == lame_get_version( gfp ) ) { // For MPEG-II, only 576 samples per frame per channel my_SamplesPerBlock = 576 * lame_get_num_channels( gfp ); } else { // For MPEG-I, 1152 samples per frame per channel my_SamplesPerBlock = 1152 * lame_get_num_channels( gfp ); } } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "version =%d",lame_get_version( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Layer =3"); switch ( lame_get_mode( gfp ) ) { case STEREO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Stereo" ); break; case JOINT_STEREO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Joint-Stereo" ); break; case DUAL_CHANNEL: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Forced Stereo" ); break; case MONO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Mono" ); break; case NOT_SET: /* FALLTROUGH */ default: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Error (unknown)" ); break; } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "sampling frequency =%.1f kHz", lame_get_in_samplerate( gfp ) /1000.0 ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "bitrate =%d kbps", lame_get_brate( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Min bitrate =%d kbps", lame_get_VBR_min_bitrate_kbps( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Max bitrate =%d kbps", lame_get_VBR_max_bitrate_kbps( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Quality Setting =%d", lame_get_quality( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass frequency =%d", lame_get_lowpassfreq( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass width =%d", lame_get_lowpasswidth( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass frequency =%d", lame_get_highpassfreq( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass width =%d", lame_get_highpasswidth( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "No Short Blocks =%d", lame_get_no_short_blocks( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "de-emphasis =%d", lame_get_emphasis( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "private flag =%d", lame_get_extension( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "copyright flag =%d", lame_get_copyright( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "original flag =%d", lame_get_original( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "CRC =%s", lame_get_error_protection( gfp ) ? "on" : "off" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Fast mode =%s", ( lame_get_quality( gfp ) )? "enabled" : "disabled" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Force mid/side stereo =%s", ( lame_get_force_ms( gfp ) )?"enabled":"disabled" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Padding Type =%d", lame_get_padding_type( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Disable Resorvoir =%d", lame_get_disable_reservoir( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "VBR =%s, VBR_q =%d, VBR method =", ( lame_get_VBR( gfp ) !=vbr_off ) ? "enabled": "disabled", lame_get_VBR_q( gfp ) ); switch ( lame_get_VBR( gfp ) ) { case vbr_off: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_off" ); break; case vbr_mt : my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_mt" ); break; case vbr_rh : my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_rh" ); break; case vbr_mtrh: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_mtrh" ); break; case vbr_abr: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_abr (average bitrate %d kbps)", lame_get_VBR_mean_bitrate_kbps( gfp ) ); break; default: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "error, unknown VBR setting"); break; } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Write VBR Header =%s\n", ( lame_get_bWriteVbrTag( gfp ) ) ?"Yes":"No"); #ifdef FROM_DLL beConfig.format.LHV1.dwReSampleRate = my_OutBytesPerSec; // force the user resampling #endif // FROM_DLL bResult = true; return bResult; }
int lame_encoder(lame_global_flags * gf, FILE * outf, int nogap, char *inPath, char *outPath) { unsigned char mp3buffer[LAME_MAXMP3BUFFER]; int Buffer[2][1152]; int iread, imp3; static const char *mode_names[2][4] = { {"stereo", "j-stereo", "dual-ch", "single-ch"}, {"stereo", "force-ms", "dual-ch", "single-ch"} }; int frames; if (silent < 10) { lame_print_config(gf); /* print useful information about options being used */ fprintf(stderr, "Encoding %s%s to %s\n", strcmp(inPath, "-") ? inPath : "<stdin>", strlen(inPath) + strlen(outPath) < 66 ? "" : "\n ", strcmp(outPath, "-") ? outPath : "<stdout>"); fprintf(stderr, "Encoding as %g kHz ", 1.e-3 * lame_get_out_samplerate(gf)); { const char *appendix = ""; switch (lame_get_VBR(gf)) { case vbr_mt: case vbr_rh: case vbr_mtrh: appendix = "ca. "; fprintf(stderr, "VBR(q=%i)", lame_get_VBR_q(gf)); break; case vbr_abr: fprintf(stderr, "average %d kbps", lame_get_VBR_mean_bitrate_kbps(gf)); break; default: fprintf(stderr, "%3d kbps", lame_get_brate(gf)); break; } fprintf(stderr, " %s MPEG-%u%s Layer III (%s%gx) qval=%i\n", mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)], 2 - lame_get_version(gf), lame_get_out_samplerate(gf) < 16000 ? ".5" : "", appendix, 0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5), lame_get_quality(gf)); } if (silent <= -10) lame_print_internals(gf); fflush(stderr); } /* encode until we hit eof */ do { /* read in 'iread' samples */ iread = get_audio(gf, Buffer); frames = lame_get_frameNum(gf); /********************** status display *****************************/ if (silent <= 0) { if (update_interval > 0) { timestatus_klemm(gf); } else { if (0 == frames % 50) { #ifdef BRHIST brhist_jump_back(); #endif timestatus(lame_get_out_samplerate(gf), frames, lame_get_totalframes(gf), lame_get_framesize(gf)); #ifdef BRHIST if (brhist) brhist_disp(gf); #endif } } } /* encode */ imp3 = lame_encode_buffer_int(gf, Buffer[0], Buffer[1], iread, mp3buffer, sizeof(mp3buffer)); /* was our output buffer big enough? */ if (imp3 < 0) { if (imp3 == -1) fprintf(stderr, "mp3 buffer is not big enough... \n"); else fprintf(stderr, "mp3 internal error: error code=%i\n", imp3); return 1; } if (fwrite(mp3buffer, 1, imp3, outf) != imp3) { fprintf(stderr, "Error writing mp3 output \n"); return 1; } } while (iread); if (nogap) imp3 = lame_encode_flush_nogap(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */ else imp3 = lame_encode_flush(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */ if (imp3 < 0) { if (imp3 == -1) fprintf(stderr, "mp3 buffer is not big enough... \n"); else fprintf(stderr, "mp3 internal error: error code=%i\n", imp3); return 1; } if (silent <= 0) { #ifdef BRHIST brhist_jump_back(); #endif frames = lame_get_frameNum(gf); timestatus(lame_get_out_samplerate(gf), frames, lame_get_totalframes(gf), lame_get_framesize(gf)); #ifdef BRHIST if (brhist) { brhist_disp(gf); } brhist_disp_total(gf); #endif timestatus_finish(); } fwrite(mp3buffer, 1, imp3, outf); return 0; }
void encoder_progress_begin( lame_global_flags const* gf , char const* inPath , char const* outPath ) { brhist_init_package(gf); global_encoder_progress.time_status_init = 0; global_encoder_progress.last_time = 0; global_encoder_progress.last_frame_num = 0; if (global_ui_config.silent < 9) { char* i_file = 0; char* o_file = 0; #if defined( _WIN32 ) && !defined(__MINGW32__) inPath = i_file = utf8ToLocal8Bit(inPath); outPath = o_file = utf8ToConsole8Bit(outPath); #endif lame_print_config(gf); /* print useful information about options being used */ console_printf("Encoding %s%s to %s\n", strcmp(inPath, "-") ? inPath : "<stdin>", strlen(inPath) + strlen(outPath) < 66 ? "" : "\n ", strcmp(outPath, "-") ? outPath : "<stdout>"); free(i_file); free(o_file); console_printf("Encoding as %g kHz ", 1.e-3 * lame_get_out_samplerate(gf)); { static const char *mode_names[2][4] = { {"stereo", "j-stereo", "dual-ch", "single-ch"}, {"stereo", "force-ms", "dual-ch", "single-ch"} }; switch (lame_get_VBR(gf)) { case vbr_rh: console_printf("%s MPEG-%u%s Layer III VBR(q=%g) qval=%i\n", mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)], 2 - lame_get_version(gf), lame_get_out_samplerate(gf) < 16000 ? ".5" : "", lame_get_VBR_quality(gf), lame_get_quality(gf)); break; case vbr_mt: case vbr_mtrh: console_printf("%s MPEG-%u%s Layer III VBR(q=%g)\n", mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)], 2 - lame_get_version(gf), lame_get_out_samplerate(gf) < 16000 ? ".5" : "", lame_get_VBR_quality(gf)); break; case vbr_abr: console_printf("%s MPEG-%u%s Layer III (%gx) average %d kbps qval=%i\n", mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)], 2 - lame_get_version(gf), lame_get_out_samplerate(gf) < 16000 ? ".5" : "", 0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5), lame_get_VBR_mean_bitrate_kbps(gf), lame_get_quality(gf)); break; default: console_printf("%s MPEG-%u%s Layer III (%gx) %3d kbps qval=%i\n", mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)], 2 - lame_get_version(gf), lame_get_out_samplerate(gf) < 16000 ? ".5" : "", 0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5), lame_get_brate(gf), lame_get_quality(gf)); break; } } if (global_ui_config.silent <= -10) { lame_print_internals(gf); } } }