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Diffstat (limited to 'libmpcodecs/ae_lame.c')
-rw-r--r-- | libmpcodecs/ae_lame.c | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/libmpcodecs/ae_lame.c b/libmpcodecs/ae_lame.c deleted file mode 100644 index 90ed31dfe7..0000000000 --- a/libmpcodecs/ae_lame.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <inttypes.h> -#include <unistd.h> -#include <string.h> -#include <sys/types.h> -#include "m_option.h" -#include "mp_msg.h" -#include "libmpdemux/aviheader.h" -#include "libmpdemux/ms_hdr.h" -#include "stream/stream.h" -#include "libmpdemux/muxer.h" -#include "ae_pcm.h" -#include "libaf/af_format.h" -#include "libmpdemux/mp3_hdr.h" - -#undef CDECL -#include <lame/lame.h> - -lame_global_flags *lame; -static int lame_param_quality=0; // best -static int lame_param_algqual=5; // same as old default -static int lame_param_vbr=vbr_default; -static int lame_param_mode=-1; // unset -static int lame_param_padding=-1; // unset -static int lame_param_br=-1; // unset -static int lame_param_ratio=-1; // unset -static float lame_param_scale=-1; // unset -static int lame_param_lowpassfreq = 0; //auto -static int lame_param_highpassfreq = 0; //auto -static int lame_param_free_format = 0; //disabled -static int lame_param_br_min = 0; //not specified -static int lame_param_br_max = 0; //not specified - -#ifdef CONFIG_MP3LAME_PRESET -int lame_param_fast=0; // unset -static char* lame_param_preset=NULL; // unset -static int lame_presets_set( lame_t gfp, int fast, int cbr, const char* preset_name ); -#endif - -#define MEncoderMP3LameHelp _("\n\n"\ -" vbr=<0-4> variable bitrate method\n"\ -" 0: cbr (constant bitrate)\n"\ -" 1: mt (Mark Taylor VBR algorithm)\n"\ -" 2: rh (Robert Hegemann VBR algorithm - default)\n"\ -" 3: abr (average bitrate)\n"\ -" 4: mtrh (Mark Taylor Robert Hegemann VBR algorithm)\n"\ -"\n"\ -" abr average bitrate\n"\ -"\n"\ -" cbr constant bitrate\n"\ -" Also forces CBR mode encoding on subsequent ABR presets modes.\n"\ -"\n"\ -" br=<0-1024> specify bitrate in kBit (CBR and ABR only)\n"\ -"\n"\ -" q=<0-9> quality (0-highest, 9-lowest) (only for VBR)\n"\ -"\n"\ -" aq=<0-9> algorithmic quality (0-best/slowest, 9-worst/fastest)\n"\ -"\n"\ -" ratio=<1-100> compression ratio\n"\ -"\n"\ -" vol=<0-10> set audio input gain\n"\ -"\n"\ -" mode=<0-3> (default: auto)\n"\ -" 0: stereo\n"\ -" 1: joint-stereo\n"\ -" 2: dualchannel\n"\ -" 3: mono\n"\ -"\n"\ -" padding=<0-2>\n"\ -" 0: no\n"\ -" 1: all\n"\ -" 2: adjust\n"\ -"\n"\ -" fast Switch on faster encoding on subsequent VBR presets modes,\n"\ -" slightly lower quality and higher bitrates.\n"\ -"\n"\ -" preset=<value> Provide the highest possible quality settings.\n"\ -" medium: VBR encoding, good quality\n"\ -" (150-180 kbps bitrate range)\n"\ -" standard: VBR encoding, high quality\n"\ -" (170-210 kbps bitrate range)\n"\ -" extreme: VBR encoding, very high quality\n"\ -" (200-240 kbps bitrate range)\n"\ -" insane: CBR encoding, highest preset quality\n"\ -" (320 kbps bitrate)\n"\ -" <8-320>: ABR encoding at average given kbps bitrate.\n\n") - - - -const m_option_t lameopts_conf[] = { - {"q", &lame_param_quality, CONF_TYPE_INT, CONF_RANGE, 0, 9, NULL}, - {"aq", &lame_param_algqual, CONF_TYPE_INT, CONF_RANGE, 0, 9, NULL}, - {"vbr", &lame_param_vbr, CONF_TYPE_INT, CONF_RANGE, 0, vbr_max_indicator, NULL}, - {"cbr", &lame_param_vbr, CONF_TYPE_FLAG, 0, 0, 0, NULL}, - {"abr", &lame_param_vbr, CONF_TYPE_FLAG, 0, 0, vbr_abr, NULL}, - {"mode", &lame_param_mode, CONF_TYPE_INT, CONF_RANGE, 0, MAX_INDICATOR, NULL}, - {"padding", &lame_param_padding, CONF_TYPE_INT, CONF_RANGE, 0, PAD_MAX_INDICATOR, NULL}, - {"br", &lame_param_br, CONF_TYPE_INT, CONF_RANGE, 0, 1024, NULL}, - {"ratio", &lame_param_ratio, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL}, - {"vol", &lame_param_scale, CONF_TYPE_FLOAT, CONF_RANGE, 0, 10, NULL}, - {"lowpassfreq",&lame_param_lowpassfreq, CONF_TYPE_INT, CONF_RANGE, -1, 48000,0}, - {"highpassfreq",&lame_param_highpassfreq, CONF_TYPE_INT, CONF_RANGE, -1, 48000,0}, - {"nofree", &lame_param_free_format, CONF_TYPE_FLAG, 0, 0, 0, NULL}, - {"free", &lame_param_free_format, CONF_TYPE_FLAG, 0, 0, 1, NULL}, - {"br_min", &lame_param_br_min, CONF_TYPE_INT, CONF_RANGE, 0, 1024, NULL}, - {"br_max", &lame_param_br_max, CONF_TYPE_INT, CONF_RANGE, 0, 1024, NULL}, -#ifdef CONFIG_MP3LAME_PRESET - {"fast", &lame_param_fast, CONF_TYPE_FLAG, 0, 0, 1, NULL}, - {"preset", &lame_param_preset, CONF_TYPE_STRING, 0, 0, 0, NULL}, -#else - {"fast", "MPlayer was built without -lameopts fast support (requires libmp3lame >=3.92).\n", CONF_TYPE_PRINT, CONF_NOCFG, 0, 0, NULL}, - {"preset", "MPlayer was built without -lameopts preset support (requires libmp3lame >=3.92).\n", CONF_TYPE_PRINT, CONF_NOCFG, 0, 0, NULL}, -#endif - {"help", MEncoderMP3LameHelp, CONF_TYPE_PRINT, CONF_NOCFG, 0, 0, NULL}, - {NULL, NULL, 0, 0, 0, 0, NULL} -}; - - -static int bind_lame(audio_encoder_t *encoder, muxer_stream_t *mux_a) -{ - mp_tmsg(MSGT_MENCODER, MSGL_INFO, "MP3 audio selected.\n"); - mux_a->h.dwSampleSize=0; // VBR - mux_a->h.dwRate=encoder->params.sample_rate; - mux_a->h.dwScale=encoder->params.samples_per_frame; // samples/frame - if(sizeof(MPEGLAYER3WAVEFORMAT)!=30) mp_tmsg(MSGT_MENCODER,MSGL_WARN,"sizeof(MPEGLAYER3WAVEFORMAT)==%d!=30, maybe broken C compiler?\n",sizeof(MPEGLAYER3WAVEFORMAT)); - mux_a->wf=malloc(sizeof(MPEGLAYER3WAVEFORMAT)); // should be 30 - mux_a->wf->wFormatTag=0x55; // MP3 - mux_a->wf->nChannels= (lame_param_mode<0) ? encoder->params.channels : ((lame_param_mode==3) ? 1 : 2); - mux_a->wf->nSamplesPerSec=mux_a->h.dwRate; - if(! lame_param_vbr) - mux_a->wf->nAvgBytesPerSec=lame_param_br * 125; - else - mux_a->wf->nAvgBytesPerSec=192000/8; // FIXME! - mux_a->wf->nBlockAlign=encoder->params.samples_per_frame; // required for l3codeca.acm + WMP 6.4 - mux_a->wf->wBitsPerSample=0; //16; - // from NaNdub: (requires for l3codeca.acm) - mux_a->wf->cbSize=12; - ((MPEGLAYER3WAVEFORMAT*)(mux_a->wf))->wID=1; - ((MPEGLAYER3WAVEFORMAT*)(mux_a->wf))->fdwFlags=2; - ((MPEGLAYER3WAVEFORMAT*)(mux_a->wf))->nBlockSize=encoder->params.samples_per_frame; // ??? - ((MPEGLAYER3WAVEFORMAT*)(mux_a->wf))->nFramesPerBlock=1; - ((MPEGLAYER3WAVEFORMAT*)(mux_a->wf))->nCodecDelay=0; - - encoder->input_format = AF_FORMAT_S16_NE; - encoder->min_buffer_size = 4608; - encoder->max_buffer_size = mux_a->h.dwRate * mux_a->wf->nChannels * 2; - - return 1; -} - -#define min(a, b) ((a) <= (b) ? (a) : (b)) - -static int get_frame_size(audio_encoder_t *encoder) -{ - int sz; - if(encoder->stream->buffer_len < 4) - return 0; - sz = mp_decode_mp3_header(encoder->stream->buffer); - if(sz <= 0) - return 0; - return sz; -} - -static int encode_lame(audio_encoder_t *encoder, uint8_t *dest, void *src, int len, int max_size) -{ - int n = 0; - if(encoder->params.channels == 1) - n = lame_encode_buffer(lame, (short *)src, (short *)src, len/2, dest, max_size); - else - n = lame_encode_buffer_interleaved(lame,(short *)src, len/4, dest, max_size); - - return n < 0 ? 0 : n; -} - - -static int close_lame(audio_encoder_t *encoder) -{ - return 1; -} - -static void fixup(audio_encoder_t *encoder) -{ - // fixup CBR mp3 audio header: - if(!lame_param_vbr) { - encoder->stream->h.dwSampleSize=1; - if (encoder->stream->h.dwLength) - ((MPEGLAYER3WAVEFORMAT*)(encoder->stream->wf))->nBlockSize= - (encoder->stream->size+(encoder->stream->h.dwLength>>1))/encoder->stream->h.dwLength; - encoder->stream->h.dwLength=encoder->stream->size; - encoder->stream->h.dwRate=encoder->stream->wf->nAvgBytesPerSec; - encoder->stream->h.dwScale=1; - encoder->stream->wf->nBlockAlign=1; - mp_tmsg(MSGT_MENCODER, MSGL_V, "\n\nCBR audio: %d bytes/sec, %d bytes/block\n", - encoder->stream->h.dwRate,((MPEGLAYER3WAVEFORMAT*)(encoder->stream->wf))->nBlockSize); - } -} - -int mpae_init_lame(audio_encoder_t *encoder) -{ - encoder->params.bitrate = lame_param_br * 125; - encoder->params.samples_per_frame = encoder->params.sample_rate < 32000 ? 576 : 1152; - encoder->decode_buffer_size = 2304; - - lame=lame_init(); - lame_set_bWriteVbrTag(lame,0); - lame_set_in_samplerate(lame,encoder->params.sample_rate); - //lame_set_in_samplerate(lame,sh_audio->samplerate); // if resampling done by lame - lame_set_num_channels(lame,encoder->params.channels); - lame_set_out_samplerate(lame,encoder->params.sample_rate); - lame_set_quality(lame,lame_param_algqual); // 0 = best q - if(lame_param_free_format) lame_set_free_format(lame,1); - if(lame_param_vbr){ // VBR: - lame_set_VBR(lame,lame_param_vbr); // vbr mode - lame_set_VBR_q(lame,lame_param_quality); // 0 = best vbr q 5=~128k - if(lame_param_br>0) lame_set_VBR_mean_bitrate_kbps(lame,lame_param_br); - if(lame_param_br_min>0) lame_set_VBR_min_bitrate_kbps(lame,lame_param_br_min); - if(lame_param_br_max>0) lame_set_VBR_max_bitrate_kbps(lame,lame_param_br_max); - } else { // CBR: - if(lame_param_br>0) lame_set_brate(lame,lame_param_br); - } - if(lame_param_mode>=0) lame_set_mode(lame,lame_param_mode); // j-st - if(lame_param_ratio>0) lame_set_compression_ratio(lame,lame_param_ratio); - if(lame_param_scale>0) { - mp_tmsg(MSGT_MENCODER, MSGL_V, "Setting audio input gain to %f.\n", lame_param_scale); - lame_set_scale(lame,lame_param_scale); - } - if(lame_param_lowpassfreq>=-1) lame_set_lowpassfreq(lame,lame_param_lowpassfreq); - if(lame_param_highpassfreq>=-1) lame_set_highpassfreq(lame,lame_param_highpassfreq); -#ifdef CONFIG_MP3LAME_PRESET - if(lame_param_preset != NULL) { - mp_tmsg(MSGT_MENCODER, MSGL_V, "\npreset=%s\n\n",lame_param_preset); - if(lame_presets_set(lame,lame_param_fast, (lame_param_vbr==0), lame_param_preset) < 0) - return 0; - } -#endif - if(lame_init_params(lame) == -1) { - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, - "Cannot set LAME options, check bitrate/samplerate, some very low bitrates\n"\ - "(<32) need lower samplerates (i.e. -srate 8000).\n"\ - "If everything else fails, try a preset."); - return 0; - } - if( mp_msg_test(MSGT_MENCODER,MSGL_V) ) { - lame_print_config(lame); - lame_print_internals(lame); - } - - encoder->bind = bind_lame; - encoder->get_frame_size = get_frame_size; - encoder->encode = encode_lame; - encoder->fixup = fixup; - encoder->close = close_lame; - return 1; -} - -#ifdef CONFIG_MP3LAME_PRESET -/* lame_presets_set - taken out of presets_set in lame-3.93.1/frontend/parse.c and modified */ -static int lame_presets_set( lame_t gfp, int fast, int cbr, const char* preset_name ) -{ - int mono = 0; - - if (strcmp(preset_name, "help") == 0) { - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "LAME version %s (%s)\n\n", get_lame_version(), get_lame_url()); - -#define LamePresetsLongInfo _("\n"\ -"The preset switches are designed to provide the highest possible quality.\n"\ -"\n"\ -"They have for the most part been subjected to and tuned via rigorous double\n"\ -"blind listening tests to verify and achieve this objective.\n"\ -"\n"\ -"These are continually updated to coincide with the latest developments that\n"\ -"occur and as a result should provide you with nearly the best quality\n"\ -"currently possible from LAME.\n"\ -"\n"\ -"To activate these presets:\n"\ -"\n"\ -" For VBR modes (generally highest quality):\n"\ -"\n"\ -" \"preset=standard\" This preset should generally be transparent\n"\ -" to most people on most music and is already\n"\ -" quite high in quality.\n"\ -"\n"\ -" \"preset=extreme\" If you have extremely good hearing and similar\n"\ -" equipment, this preset will generally provide\n"\ -" slightly higher quality than the \"standard\"\n"\ -" mode.\n"\ -"\n"\ -" For CBR 320kbps (highest quality possible from the preset switches):\n"\ -"\n"\ -" \"preset=insane\" This preset will usually be overkill for most\n"\ -" people and most situations, but if you must\n"\ -" have the absolute highest quality with no\n"\ -" regard to filesize, this is the way to go.\n"\ -"\n"\ -" For ABR modes (high quality per given bitrate but not as high as VBR):\n"\ -"\n"\ -" \"preset=<kbps>\" Using this preset will usually give you good\n"\ -" quality at a specified bitrate. Depending on the\n"\ -" bitrate entered, this preset will determine the\n"\ -" optimal settings for that particular situation.\n"\ -" While this approach works, it is not nearly as\n"\ -" flexible as VBR, and usually will not attain the\n"\ -" same level of quality as VBR at higher bitrates.\n"\ -"\n"\ -"The following options are also available for the corresponding profiles:\n"\ -"\n"\ -" <fast> standard\n"\ -" <fast> extreme\n"\ -" insane\n"\ -" <cbr> (ABR Mode) - The ABR Mode is implied. To use it,\n"\ -" simply specify a bitrate. For example:\n"\ -" \"preset=185\" activates this\n"\ -" preset and uses 185 as an average kbps.\n"\ -"\n"\ -" \"fast\" - Enables the new fast VBR for a particular profile. The\n"\ -" disadvantage to the speed switch is that often times the\n"\ -" bitrate will be slightly higher than with the normal mode\n"\ -" and quality may be slightly lower also.\n"\ -" Warning: with the current version fast presets might result in too\n"\ -" high bitrate compared to regular presets.\n"\ -"\n"\ -" \"cbr\" - If you use the ABR mode (read above) with a significant\n"\ -" bitrate such as 80, 96, 112, 128, 160, 192, 224, 256, 320,\n"\ -" you can use the \"cbr\" option to force CBR mode encoding\n"\ -" instead of the standard abr mode. ABR does provide higher\n"\ -" quality but CBR may be useful in situations such as when\n"\ -" streaming an MP3 over the internet may be important.\n"\ -"\n"\ -" For example:\n"\ -"\n"\ -" \"-lameopts fast:preset=standard \"\n"\ -" or \"-lameopts cbr:preset=192 \"\n"\ -" or \"-lameopts preset=172 \"\n"\ -" or \"-lameopts preset=extreme \"\n"\ -"\n"\ -"\n"\ -"A few aliases are available for ABR mode:\n"\ -"phone => 16kbps/mono phon+/lw/mw-eu/sw => 24kbps/mono\n"\ -"mw-us => 40kbps/mono voice => 56kbps/mono\n"\ -"fm/radio/tape => 112kbps hifi => 160kbps\n"\ -"cd => 192kbps studio => 256kbps") - - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, LamePresetsLongInfo); - return -1; - } - - //aliases for compatibility with old presets - - if (strcmp(preset_name, "phone") == 0) { - preset_name = "16"; - mono = 1; - } - if ( (strcmp(preset_name, "phon+") == 0) || - (strcmp(preset_name, "lw") == 0) || - (strcmp(preset_name, "mw-eu") == 0) || - (strcmp(preset_name, "sw") == 0)) { - preset_name = "24"; - mono = 1; - } - if (strcmp(preset_name, "mw-us") == 0) { - preset_name = "40"; - mono = 1; - } - if (strcmp(preset_name, "voice") == 0) { - preset_name = "56"; - mono = 1; - } - if (strcmp(preset_name, "fm") == 0) { - preset_name = "112"; - } - if ( (strcmp(preset_name, "radio") == 0) || - (strcmp(preset_name, "tape") == 0)) { - preset_name = "112"; - } - if (strcmp(preset_name, "hifi") == 0) { - preset_name = "160"; - } - if (strcmp(preset_name, "cd") == 0) { - preset_name = "192"; - } - if (strcmp(preset_name, "studio") == 0) { - preset_name = "256"; - } - -#ifdef CONFIG_MP3LAME_PRESET_MEDIUM - if (strcmp(preset_name, "medium") == 0) { - if (fast > 0) - lame_set_preset(gfp, MEDIUM_FAST); - else - lame_set_preset(gfp, MEDIUM); - - return 0; - } -#endif - - if (strcmp(preset_name, "standard") == 0) { - if (fast > 0) - lame_set_preset(gfp, STANDARD_FAST); - else - lame_set_preset(gfp, STANDARD); - - return 0; - } - - else if (strcmp(preset_name, "extreme") == 0){ - if (fast > 0) - lame_set_preset(gfp, EXTREME_FAST); - else - lame_set_preset(gfp, EXTREME); - - return 0; - } - - else if (((strcmp(preset_name, "insane") == 0) || - (strcmp(preset_name, "320" ) == 0)) && (fast < 1)) { - - lame_set_preset(gfp, INSANE); - - return 0; - } - - // Generic ABR Preset - if (((atoi(preset_name)) > 0) && (fast < 1)) { - if ((atoi(preset_name)) >= 8 && (atoi(preset_name)) <= 320){ - lame_set_preset(gfp, atoi(preset_name)); - - if (cbr == 1 ) - lame_set_VBR(gfp, vbr_off); - - if (mono == 1 ) { - lame_set_mode(gfp, MONO); - } - - return 0; - - } - else { - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "LAME version %s (%s)\n\n", get_lame_version(), get_lame_url()); - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, - "Error: The bitrate specified is out of the valid range for this preset.\n"\ - "\n"\ - "When using this mode you must enter a value between \"8\" and \"320\".\n"\ - "\n"\ - "For further information try: \"-lameopts preset=help\"\n"); - return -1; - } - } - - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "LAME version %s (%s)\n\n", get_lame_version(), get_lame_url()); -#define InvalidLamePresetOptions _("Error: You did not enter a valid profile and/or options with preset.\n"\ -"\n"\ -"Available profiles are:\n"\ -"\n"\ -" <fast> standard\n"\ -" <fast> extreme\n"\ -" insane\n"\ -" <cbr> (ABR Mode) - The ABR Mode is implied. To use it,\n"\ -" simply specify a bitrate. For example:\n"\ -" \"preset=185\" activates this\n"\ -" preset and uses 185 as an average kbps.\n"\ -"\n"\ -" Some examples:\n"\ -"\n"\ -" \"-lameopts fast:preset=standard \"\n"\ -" or \"-lameopts cbr:preset=192 \"\n"\ -" or \"-lameopts preset=172 \"\n"\ -" or \"-lameopts preset=extreme \"\n"\ -"\n"\ -"For further information try: \"-lameopts preset=help\"\n") - mp_tmsg(MSGT_MENCODER, MSGL_FATAL, InvalidLamePresetOptions); - return -1; -} -#endif |