X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fcodec%2Ffluidsynth.c;h=4a967c270ef576e954cd99192f3f9f7b898807d1;hb=24c463913bbd35f849a6feacdca9f8ccdbe876f6;hp=ddf6d7d1e8925632edc078622ec1c9bded8eee9f;hpb=99fab9089e9e1709d9c3a4bc5ced0c137ac59134;p=vlc diff --git a/modules/codec/fluidsynth.c b/modules/codec/fluidsynth.c index ddf6d7d1e8..4a967c270e 100644 --- a/modules/codec/fluidsynth.c +++ b/modules/codec/fluidsynth.c @@ -1,5 +1,5 @@ /***************************************************************************** - * fluidsynth.c: Software MIDI synthetizer using libfluidsynth + * fluidsynth.c: Software MIDI synthesizer using libfluidsynth ***************************************************************************** * Copyright © 2007 Rémi Denis-Courmont * $Id$ @@ -23,12 +23,29 @@ # include "config.h" #endif -#include +#include +#include #include #include +#include +#include +#include + +/* On Win32, we link statically */ +#ifdef WIN32 +# define FLUIDSYNTH_NOT_A_DLL +#endif #include +#if (FLUIDSYNTH_VERSION_MAJOR < 1) \ + || (FLUIDSYNTH_VERSION_MAJOR == 1 && FLUIDSYNTH_VERSION_MINOR < 1) +# define FLUID_FAILED (-1) +# define fluid_synth_sysex(synth, ptr, len, d, e, f, g) (FLUID_FAILED) +# define fluid_synth_system_reset(synth) (FLUID_FAILED) +# define fluid_synth_channel_pressure(synth, channel, p) (FLUID_FAILED) +#endif + #define SOUNDFONT_TEXT N_("Sound fonts (required)") #define SOUNDFONT_LONGTEXT N_( \ "A sound fonts file is required for software synthesis." ) @@ -36,15 +53,16 @@ static int Open (vlc_object_t *); static void Close (vlc_object_t *); -vlc_module_begin(); - set_description (_("FluidSynth MIDI synthetizer")); - set_capability ("decoder", 100); - set_category (CAT_INPUT); - set_subcategory (SUBCAT_INPUT_ACODEC); - set_callbacks (Open, Close); - add_file ("soundfont", "", NULL, - SOUNDFONT_TEXT, SOUNDFONT_LONGTEXT, VLC_FALSE); -vlc_module_end(); +vlc_module_begin () + set_description (N_("FluidSynth MIDI synthesizer")) + set_capability ("decoder", 100) + set_shortname (N_("FluidSynth")) + set_category (CAT_INPUT) + set_subcategory (SUBCAT_INPUT_ACODEC) + set_callbacks (Open, Close) + add_loadfile ("soundfont", "", + SOUNDFONT_TEXT, SOUNDFONT_LONGTEXT, false); +vlc_module_end () struct decoder_sys_t @@ -52,7 +70,8 @@ struct decoder_sys_t fluid_settings_t *settings; fluid_synth_t *synth; int soundfont; - audio_date_t end_date; + bool fixed; + date_t end_date; }; @@ -64,25 +83,21 @@ static int Open (vlc_object_t *p_this) decoder_t *p_dec = (decoder_t *)p_this; decoder_sys_t *p_sys; - if (p_dec->fmt_in.i_codec != VLC_FOURCC ('M', 'I', 'D', 'I')) + if (p_dec->fmt_in.i_codec != VLC_CODEC_MIDI) return VLC_EGENERIC; - char *font_path = var_CreateGetNonEmptyString (p_this, "soundfont"); + char *font_path = var_InheritString (p_this, "soundfont"); if (font_path == NULL) { - msg_Err (p_this, "sound fonts file required for synthesis"); + msg_Err (p_this, "sound font file required for synthesis"); + dialog_Fatal (p_this, _("MIDI synthesis not set up"), + _("A sound font file (.SF2) is required for MIDI synthesis.\n" + "Please install a sound font and configure it " + "from the VLC preferences " + "(Input / Codecs > Audio codecs > FluidSynth).\n")); return VLC_EGENERIC; } - p_dec->fmt_out.i_cat = AUDIO_ES; - p_dec->fmt_out.audio.i_rate = 44100; - p_dec->fmt_out.audio.i_channels = 2; - p_dec->fmt_out.audio.i_original_channels = - p_dec->fmt_out.audio.i_physical_channels = - AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT; - p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE; - p_dec->fmt_out.audio.i_bitspersample = 16; - p_dec->pf_decode_audio = DecodeBlock; p_sys = p_dec->p_sys = malloc (sizeof (*p_sys)); if (p_sys == NULL) @@ -94,17 +109,43 @@ static int Open (vlc_object_t *p_this) p_sys->settings = new_fluid_settings (); p_sys->synth = new_fluid_synth (p_sys->settings); /* FIXME: I bet this is not thread-safe */ + const char *lpath = ToLocale (font_path); p_sys->soundfont = fluid_synth_sfload (p_sys->synth, font_path, 1); - free (font_path); + LocaleFree (lpath); if (p_sys->soundfont == -1) { - msg_Err (p_this, "cannot load sound fonts file"); + msg_Err (p_this, "cannot load sound fonts file %s", font_path); Close (p_this); + dialog_Fatal (p_this, _("MIDI synthesis not set up"), + _("The specified sound font file (%s) is incorrect.\n" + "Please install a valid sound font and reconfigure it " + "from the VLC preferences (Codecs / Audio / FluidSynth).\n"), + font_path); + free (font_path); return VLC_EGENERIC; } + free (font_path); - aout_DateInit (&p_sys->end_date, p_dec->fmt_out.audio.i_rate); - aout_DateSet (&p_sys->end_date, 0); + p_dec->fmt_out.i_cat = AUDIO_ES; + p_dec->fmt_out.audio.i_rate = 44100; + p_dec->fmt_out.audio.i_channels = 2; + p_dec->fmt_out.audio.i_original_channels = + p_dec->fmt_out.audio.i_physical_channels = + AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT; + if (HAVE_FPU) + { + p_dec->fmt_out.i_codec = VLC_CODEC_FL32; + p_dec->fmt_out.audio.i_bitspersample = 32; + p_sys->fixed = false; + } + else + { + p_dec->fmt_out.i_codec = VLC_CODEC_S16N; + p_dec->fmt_out.audio.i_bitspersample = 16; + p_sys->fixed = true; + } + date_Init (&p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1); + date_Set (&p_sys->end_date, 0); return VLC_SUCCESS; } @@ -126,31 +167,53 @@ static aout_buffer_t *DecodeBlock (decoder_t *p_dec, block_t **pp_block) { block_t *p_block; decoder_sys_t *p_sys = p_dec->p_sys; + aout_buffer_t *p_out = NULL; if (pp_block == NULL) return NULL; p_block = *pp_block; if (p_block == NULL) return NULL; + *pp_block = NULL; - if (p_block->i_pts && !aout_DateGet (&p_sys->end_date)) - aout_DateSet (&p_sys->end_date, p_block->i_pts); + if (p_block->i_pts > VLC_TS_INVALID && !date_Get (&p_sys->end_date)) + date_Set (&p_sys->end_date, p_block->i_pts); else - if (p_block->i_pts < aout_DateGet (&p_sys->end_date)) + if (p_block->i_pts < date_Get (&p_sys->end_date)) { msg_Warn (p_dec, "MIDI message in the past?"); - block_Release (p_block); - return NULL; + goto drop; } if (p_block->i_buffer < 1) - return NULL; + goto drop; + uint8_t event = p_block->p_buffer[0]; uint8_t channel = p_block->p_buffer[0] & 0xf; + event &= 0xF0; + + if (event == 0xF0) + switch (channel) + { + case 0: + if (p_block->p_buffer[p_block->i_buffer - 1] != 0xF7) + { + case 7: + msg_Warn (p_dec, "fragmented SysEx not implemented"); + goto drop; + } + fluid_synth_sysex (p_sys->synth, (char *)p_block->p_buffer + 1, + p_block->i_buffer - 2, NULL, NULL, NULL, 0); + break; + case 0xF: + fluid_synth_system_reset (p_sys->synth); + break; + } + uint8_t p1 = (p_block->i_buffer > 1) ? (p_block->p_buffer[1] & 0x7f) : 0; uint8_t p2 = (p_block->i_buffer > 2) ? (p_block->p_buffer[2] & 0x7f) : 0; - switch (p_block->p_buffer[0] & 0xf0) + switch (event & 0xF0) { case 0x80: fluid_synth_noteoff (p_sys->synth, channel, p1); @@ -158,35 +221,42 @@ static aout_buffer_t *DecodeBlock (decoder_t *p_dec, block_t **pp_block) case 0x90: fluid_synth_noteon (p_sys->synth, channel, p1, p2); break; + /*case 0xA0: note aftertouch not implemented */ case 0xB0: fluid_synth_cc (p_sys->synth, channel, p1, p2); break; case 0xC0: fluid_synth_program_change (p_sys->synth, channel, p1); break; + case 0xD0: + fluid_synth_channel_pressure (p_sys->synth, channel, p1); + break; case 0xE0: - fluid_synth_pitch_bend (p_sys->synth, channel, (p1 << 7) | p2); + fluid_synth_pitch_bend (p_sys->synth, channel, (p2 << 7) | p1); break; } - p_block->p_buffer += p_block->i_buffer; - p_block->i_buffer = 0; unsigned samples = - (p_block->i_pts - aout_DateGet (&p_sys->end_date)) * 441 / 10000; + (p_block->i_pts - date_Get (&p_sys->end_date)) * 441 / 10000; if (samples == 0) - return NULL; + goto drop; - aout_buffer_t *p_out = p_dec->pf_aout_buffer_new (p_dec, samples); + p_out = decoder_NewAudioBuffer (p_dec, samples); if (p_out == NULL) - { - block_Release (p_block); - return NULL; - } - - p_out->start_date = aout_DateGet (&p_sys->end_date ); - p_out->end_date = aout_DateIncrement (&p_sys->end_date, samples); - fluid_synth_write_s16 (p_sys->synth, samples, - (int16_t *)p_out->p_buffer, 0, 2, - (int16_t *)p_out->p_buffer, 1, 2); + goto drop; + + p_out->i_pts = date_Get (&p_sys->end_date ); + p_out->i_length = date_Increment (&p_sys->end_date, samples) + - p_out->i_pts; + if (!p_sys->fixed) + fluid_synth_write_float (p_sys->synth, samples, + p_out->p_buffer, 0, 2, + p_out->p_buffer, 1, 2); + else + fluid_synth_write_s16 (p_sys->synth, samples, + (int16_t *)p_out->p_buffer, 0, 2, + (int16_t *)p_out->p_buffer, 1, 2); +drop: + block_Release (p_block); return p_out; }