From d4bdd0473d6f43132257c9fb3848d829755167a3 Mon Sep 17 00:00:00 2001 From: wm4 Date: Mon, 5 Nov 2012 17:02:04 +0100 Subject: Rename directories, move files (step 1 of 2) (does not compile) Tis drops the silly lib prefixes, and attempts to organize the tree in a more logical way. Make the top-level directory less cluttered as well. Renames the following directories: libaf -> audio/filter libao2 -> audio/out libvo -> video/out libmpdemux -> demux Split libmpcodecs: vf* -> video/filter vd*, dec_video.* -> video/decode mp_image*, img_format*, ... -> video/ ad*, dec_audio.* -> audio/decode libaf/format.* is moved to audio/ - this is similar to how mp_image.* is located in video/. Move most top-level .c/.h files to core. (talloc.c/.h is left on top- level, because it's external.) Park some of the more annoying files in compat/. Some of these are relicts from the time mplayer used ffmpeg internals. sub/ is not split, because it's too much of a mess (subtitle code is mixed with OSD display and rendering). Maybe the organization of core is not ideal: it mixes playback core (like mplayer.c) and utility helpers (like bstr.c/h). Should the need arise, the playback core will be moved somewhere else, while core contains all helper and common code. --- audio/filter/af_karaoke.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 audio/filter/af_karaoke.c (limited to 'audio/filter/af_karaoke.c') diff --git a/audio/filter/af_karaoke.c b/audio/filter/af_karaoke.c new file mode 100644 index 0000000000..965eb8f40d --- /dev/null +++ b/audio/filter/af_karaoke.c @@ -0,0 +1,98 @@ +/* + * simple voice removal filter + * + * copyright (c) 2006 Reynaldo H. Verdejo Pinochet + * Based on code by Alex Beregszaszi for his 'center' filter. + * + * 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 +#include +#include + +#include "af.h" + +// Data for specific instances of this filter + +// Initialization and runtime control +static int control(struct af_instance* af, int cmd, void* arg) +{ + switch(cmd){ + case AF_CONTROL_REINIT: + af->data->rate = ((struct mp_audio*)arg)->rate; + af->data->nch = ((struct mp_audio*)arg)->nch; + af->data->format= AF_FORMAT_FLOAT_NE; + af->data->bps = 4; + return af_test_output(af,(struct mp_audio*)arg); + } + return AF_UNKNOWN; +} + +// Deallocate memory +static void uninit(struct af_instance* af) +{ + free(af->data); +} + +// Filter data through filter +static struct mp_audio* play(struct af_instance* af, struct mp_audio* data) +{ + struct mp_audio* c = data; // Current working data + float* a = c->audio; // Audio data + int len = c->len/4; // Number of samples in current audio block + int nch = c->nch; // Number of channels + register int i; + + /* + FIXME1 add a low band pass filter to avoid suppressing + centered bass/drums + FIXME2 better calculated* attenuation factor + */ + + for(i=0;icontrol = control; + af->uninit = uninit; + af->play = play; + af->mul = 1; + af->data = calloc(1,sizeof(struct mp_audio)); + + if(af->data == NULL) + return AF_ERROR; + + return AF_OK; +} + +// Description of this filter +struct af_info af_info_karaoke = { + "Simple karaoke/voice-removal audio filter", + "karaoke", + "Reynaldo H. Verdejo Pinochet", + "", + AF_FLAGS_NOT_REENTRANT, + af_open +}; -- cgit v1.2.3