Commit 2fe30f26 authored by Renaud Dartus's avatar Renaud Dartus
Browse files

* Bug fix with frequential downmix

parent a77d5a3e
/*****************************************************************************
* intf_sdl.c: SDL interface plugin
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: intf_sdl.c,v 1.34 2001/03/02 02:49:11 reno Exp $
*
* Authors:
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <SDL/SDL.h> /* for all the SDL stuff */
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
#include "plugins.h"
#include "stream_control.h"
#include "input_ext-intf.h"
#include "video.h"
#include "video_output.h"
#include "interface.h"
#include "intf_msg.h"
#include "keystrokes.h"
#include "main.h"
/* local prototype */
void intf_SDL_Keymap( intf_thread_t * p_intf );
/*****************************************************************************
* intf_SDLCreate: initialize and create SDL interface
*****************************************************************************/
int intf_SDLCreate( intf_thread_t *p_intf )
{
/* Check that b_video is set */
if( !p_main->b_video )
{
intf_ErrMsg( "error: SDL interface requires a video output thread" );
return( 1 );
}
/* Spawn video output thread */
p_intf->p_vout = vout_CreateThread( main_GetPszVariable( VOUT_DISPLAY_VAR,
NULL), 0,
main_GetIntVariable( VOUT_WIDTH_VAR,
VOUT_WIDTH_DEFAULT ),
main_GetIntVariable( VOUT_HEIGHT_VAR,
VOUT_HEIGHT_DEFAULT ),
NULL, 0, NULL );
if( p_intf->p_vout == NULL ) /* error */
{
intf_ErrMsg( "error: can't create video output thread" );
free( p_intf->p_sys );
return( 1 );
}
intf_SDL_Keymap( p_intf );
return( 0 );
}
/*****************************************************************************
* intf_SDLDestroy: destroy interface
*****************************************************************************/
void intf_SDLDestroy( intf_thread_t *p_intf )
{
/* Close input thread, if any (blocking) */
if( p_intf->p_input )
{
input_DestroyThread( p_intf->p_input, NULL );
}
/* Close video output thread, if any (blocking) */
if( p_intf->p_vout )
{
vout_DestroyThread( p_intf->p_vout, NULL );
}
}
/*****************************************************************************
* intf_SDLManage: event loop
*****************************************************************************/
void intf_SDLManage( intf_thread_t *p_intf )
{
SDL_Event event; /* SDL event */
Uint8 i_key;
int i_rate;
while ( SDL_PollEvent(&event) )
{
switch (event.type)
{
case SDL_VIDEORESIZE: /* Resizing of window */
intf_Msg( "intf: video display resized (%dx%d)", event.resize.w
, event.resize.h );
vlc_mutex_lock( &p_intf->p_vout->change_lock );
p_intf->p_vout->i_width = event.resize.w;
p_intf->p_vout->i_height = event.resize.h;
p_intf->p_vout->i_changes |= VOUT_SIZE_CHANGE;
vlc_mutex_unlock( &p_intf->p_vout->change_lock );
break;
case SDL_KEYDOWN: /* if a key is pressed */
i_key = event.key.keysym.sym;
switch(i_key)
{
case SDLK_f: /* switch to fullscreen */
vlc_mutex_lock( &p_intf->p_vout->change_lock );
p_intf->p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
vlc_mutex_unlock( &p_intf->p_vout->change_lock );
break;
case SDLK_y: /* switch to hard YUV */
vlc_mutex_lock( &p_intf->p_vout->change_lock );
p_intf->p_vout->i_changes |= VOUT_YUV_CHANGE;
vlc_mutex_unlock( &p_intf->p_vout->change_lock );
break;
/* FIXME : this is temporary */
case SDLK_p:
if( p_intf->p_input->stream.control.i_status == PLAYING_S )
{
input_Pause( p_intf->p_input );
}
else
{
input_Play( p_intf->p_input );
}
break;
case SDLK_a:
i_rate = p_intf->p_input->stream.control.i_rate/2;
if ( i_rate >= MINIMAL_RATE )
{
input_Forward( p_intf->p_input, i_rate );
}
break;
case SDLK_z:
i_rate = p_intf->p_input->stream.control.i_rate*2;
if ( i_rate <= MAXIMAL_RATE )
{
/* Compensation of int truncature */
if ( i_rate > 500 && i_rate < 1000 )
i_rate = 1000;
input_Forward( p_intf->p_input, i_rate );
}
break;
case SDLK_j:
/* Jump forwards */
input_Seek( p_intf->p_input,
p_intf->p_input->stream.i_tell
+ p_intf->p_input->stream.i_size / 20 );
/* gabuzomeu */
break;
case SDLK_b:
/* Jump backwards */
input_Seek( p_intf->p_input,
p_intf->p_input->stream.i_tell
- p_intf->p_input->stream.i_size / 20 );
break;
default:
if( intf_ProcessKey( p_intf, (char )i_key ) )
{
intf_DbgMsg( "unhandled key '%c' (%i)", (char)i_key, i_key );
}
break;
}
break;
case SDL_MOUSEBUTTONDOWN:
if( event.button.button == SDL_BUTTON_MIDDLE )
{
vlc_mutex_lock( &p_intf->p_vout->change_lock );
p_intf->p_vout->i_changes |= VOUT_CURSOR_CHANGE;
vlc_mutex_unlock( &p_intf->p_vout->change_lock );
}
break;
case SDL_QUIT:
intf_ProcessKey( p_intf, SDLK_q );
break;
default:
break;
}
}
}
void intf_SDL_Keymap(intf_thread_t * p_intf )
{
/* p_intf->p_intf_getKey = intf_getKey; */
intf_AssignKey(p_intf, SDLK_q, INTF_KEY_QUIT, 0);
intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0);
/* intf_AssignKey(p_intf,3,'Q'); */
intf_AssignKey(p_intf, SDLK_0, INTF_KEY_SET_CHANNEL,0);
intf_AssignKey(p_intf, SDLK_1, INTF_KEY_SET_CHANNEL,1);
intf_AssignKey(p_intf, SDLK_2, INTF_KEY_SET_CHANNEL,2);
intf_AssignKey(p_intf, SDLK_3, INTF_KEY_SET_CHANNEL,3);
intf_AssignKey(p_intf, SDLK_4, INTF_KEY_SET_CHANNEL,4);
intf_AssignKey(p_intf, SDLK_5, INTF_KEY_SET_CHANNEL,5);
intf_AssignKey(p_intf, SDLK_6, INTF_KEY_SET_CHANNEL,6);
intf_AssignKey(p_intf, SDLK_7, INTF_KEY_SET_CHANNEL,7);
intf_AssignKey(p_intf, SDLK_8, INTF_KEY_SET_CHANNEL,8);
intf_AssignKey(p_intf, SDLK_9, INTF_KEY_SET_CHANNEL,9);
intf_AssignKey(p_intf, SDLK_PLUS, INTF_KEY_INC_VOLUME, 0);
intf_AssignKey(p_intf, SDLK_MINUS, INTF_KEY_DEC_VOLUME, 0);
/* Numpad keys support */
intf_AssignKey(p_intf, 14, INTF_KEY_INC_VOLUME, 0);
intf_AssignKey(p_intf, 13, INTF_KEY_DEC_VOLUME, 0);
intf_AssignKey(p_intf, SDLK_m, INTF_KEY_TOGGLE_VOLUME, 0);
/* intf_AssignKey(p_intf,'M','M'); */
intf_AssignKey(p_intf, SDLK_g, INTF_KEY_DEC_GAMMA, 0);
/* intf_AssignKey(p_intf,'G','G'); */
intf_AssignKey(p_intf, SDLK_c, INTF_KEY_TOGGLE_GRAYSCALE, 0);
intf_AssignKey(p_intf, SDLK_SPACE, INTF_KEY_TOGGLE_INTERFACE, 0);
intf_AssignKey(p_intf, SDLK_i, INTF_KEY_TOGGLE_INFO, 0);
intf_AssignKey(p_intf, SDLK_s, INTF_KEY_TOGGLE_SCALING, 0);
}
......@@ -37,7 +37,7 @@ static const float smixlev_lut[4] = { 0.2928, 0.2071, 0.0 , 0.2071 };
* to reduce complexity. Realistically, there aren't many machines around
* with > 2 channel output anyways */
int __inline__ downmix (ac3dec_t * p_ac3dec, s16 * out_buf)
int __inline__ downmix (ac3dec_t * p_ac3dec, float * channel, s16 * out_buf)
{
dm_par_t dm_par;
......@@ -65,19 +65,19 @@ int __inline__ downmix (ac3dec_t * p_ac3dec, s16 * out_buf)
switch(p_ac3dec->bsi.acmod)
{
case 7: // 3/2
downmix_3f_2r_to_2ch_c (p_ac3dec->samples.channel[0], &dm_par);
downmix_3f_2r_to_2ch_c (channel, &dm_par);
break;
case 6: // 2/2
downmix_2f_2r_to_2ch_c (p_ac3dec->samples.channel[0], &dm_par);
downmix_2f_2r_to_2ch_c (channel, &dm_par);
break;
case 5: // 3/1
downmix_3f_1r_to_2ch_c (p_ac3dec->samples.channel[0], &dm_par);
downmix_3f_1r_to_2ch_c (channel, &dm_par);
break;
case 4: // 2/1
downmix_2f_1r_to_2ch_c (p_ac3dec->samples.channel[0], &dm_par);
downmix_2f_1r_to_2ch_c (channel, &dm_par);
break;
case 3: // 3/0
downmix_3f_0r_to_2ch_c (p_ac3dec->samples.channel[0], &dm_par);
downmix_3f_0r_to_2ch_c (channel, &dm_par);
break;
case 2:
break;
......
......@@ -184,7 +184,7 @@ void imdct (ac3dec_t * p_ac3dec, s16 * buffer)
if (do_imdct)
{
i_stream_done = downmix(p_ac3dec, buffer);
i_stream_done = downmix(p_ac3dec, p_ac3dec->coeffs.fbw[0], buffer);
do_imdct(&p_ac3dec->imdct,p_ac3dec->coeffs.fbw[0],p_ac3dec->samples.channel[0], 0);
do_imdct(&p_ac3dec->imdct, p_ac3dec->coeffs.fbw[1],p_ac3dec->samples.channel[1], 1);
} else {
......@@ -194,7 +194,7 @@ void imdct (ac3dec_t * p_ac3dec, s16 * buffer)
else
imdct_do_512(&p_ac3dec->imdct, p_ac3dec->coeffs.fbw[i],p_ac3dec->samples.channel[i], i);
}
i_stream_done = downmix(p_ac3dec, buffer);
i_stream_done = downmix(p_ac3dec, p_ac3dec->samples.channel[0], buffer);
}
if ( !i_stream_done ) /* We have to stream sample */
......
......@@ -36,7 +36,7 @@
void bit_allocate (ac3dec_t *);
/* ac3_downmix.c */
int downmix (ac3dec_t *, s16 *);
int downmix (ac3dec_t *, float *, s16 *);
/* ac3_exponent.c */
int exponent_unpack (ac3dec_t *);
......
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