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Commit 50366aa6 authored by Sam Hocevar's avatar Sam Hocevar
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  * Fixed heap corruption issues in ac3dec (thanks reno).
parent e84a7e7a
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Showing with 116 additions and 73 deletions
include/modules.h
View file @ 50366aa6
......@@ -2,7 +2,7 @@
* modules.h : Module management functions.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: modules.h,v 1.31 2001/11/13 12:09:17 henri Exp $
* $Id: modules.h,v 1.32 2001/11/13 18:10:38 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
......@@ -41,7 +41,7 @@ extern module_bank_t *p_module_bank;
*****************************************************************************/
/* Number of tries before we unload an unused module */
#define MODULE_HIDE_DELAY 100
#define MODULE_HIDE_DELAY 10000
/* The module handle type. */
#ifdef SYS_BEOS
......
plugins/ac3_adec/ac3_adec.c
View file @ 50366aa6
......@@ -2,7 +2,7 @@
* ac3_adec.c: ac3 decoder module main file
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: ac3_adec.c,v 1.1 2001/11/13 12:09:17 henri Exp $
* $Id: ac3_adec.c,v 1.2 2001/11/13 18:10:38 sam Exp $
*
* Authors: Michel Lespinasse <walken@zoy.org>
*
......@@ -115,10 +115,7 @@ MODULE_DEACTIVATE_STOP
*****************************************************************************/
static int ac3_adec_Probe( probedata_t *p_data )
{
if( p_data->i_type == AC3_AUDIO_ES )
return( 50 );
else
return( 0 );
return ( p_data->i_type == AC3_AUDIO_ES ) ? 50 : 0;
}
/*****************************************************************************
......@@ -134,10 +131,11 @@ static int ac3_adec_Run ( decoder_config_t * p_config )
/* Allocate the memory needed to store the thread's structure */
p_ac3thread = (ac3dec_thread_t *)memalign(16, sizeof(ac3dec_thread_t));
if(p_ac3thread == NULL)
if( p_ac3thread == NULL )
{
intf_ErrMsg ( "ac3dec error: not enough memory "
"for ac3_adec_Run() to allocate p_ac3thread" );
free( p_ac3thread->p_config );
return( -1 );
}
......@@ -148,6 +146,8 @@ static int ac3_adec_Run ( decoder_config_t * p_config )
if( ac3_adec_Init( p_ac3thread ) )
{
intf_ErrMsg( "ac3_adec error : could not initialize thread" );
free( p_ac3thread->p_config );
free( p_ac3thread );
return( -1 );
}
......@@ -228,6 +228,9 @@ static int ac3_adec_Run ( decoder_config_t * p_config )
/* End of the ac3 decoder thread */
ac3_adec_EndThread (p_ac3thread);
free( p_ac3thread->p_config );
free( p_ac3thread );
return( 0 );
}
......@@ -253,7 +256,6 @@ static int ac3_adec_Init( ac3dec_thread_t * p_ac3thread )
{
intf_ErrMsg( "ac3dec error: no suitable downmix module" );
free( p_ac3thread->ac3_decoder );
free( p_ac3thread );
return( -1 );
}
......@@ -282,7 +284,6 @@ static int ac3_adec_Init( ac3dec_thread_t * p_ac3thread )
module_Unneed( p_ac3thread->ac3_decoder->downmix.p_module );
free( p_ac3thread->ac3_decoder->imdct );
free( p_ac3thread->ac3_decoder );
free( p_ac3thread );
return( -1 );
}
......@@ -293,34 +294,35 @@ static int ac3_adec_Init( ac3dec_thread_t * p_ac3thread )
IMDCT->pf_imdct_512 = F.pf_imdct_512;
IMDCT->pf_imdct_512_nol = F.pf_imdct_512_nol;
#undef F
#undef IMDCT
/* Initialize the ac3 decoder structures */
#define p_dec p_ac3thread->ac3_decoder
#if defined( __MINGW32__ )
p_ac3thread->ac3_decoder->samples_back = memalign(16, 6 * 256 *
sizeof(float) + 15);
p_ac3thread->ac3_decoder->samples = (float *) (((unsigned long)
p_ac3thread->ac3_decoder->samples_back+15) & ~0xFUL);
p_dec->samples_back = memalign( 16, 6 * 256 * sizeof(float) + 15 );
p_dec->samples = (float *)
(((unsigned long) p_dec->samples_back + 15 ) & ~0xFUL);
#else
p_ac3thread->ac3_decoder->samples = memalign(16, 6 * 256 * sizeof(float));
p_dec->samples = memalign( 16, 6 * 256 * sizeof(float) );
#endif
p_ac3thread->ac3_decoder->imdct->buf = memalign(16, N/4 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->delay = memalign(16, 6 * 256 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->delay1 = memalign(16, 6 * 256 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->xcos1 = memalign(16, N/4 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->xsin1 = memalign(16, N/4 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->xcos2 = memalign(16, N/8 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->xsin2 = memalign(16, N/8 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->xcos_sin_sse = memalign(16, 128 * 4 * sizeof(float));
p_ac3thread->ac3_decoder->imdct->w_2 = memalign(16, 2 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_4 = memalign(16, 4 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_8 = memalign(16, 8 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_16 = memalign(16, 16 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_32 = memalign(16, 32 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_64 = memalign(16, 64 * sizeof(complex_t));
p_ac3thread->ac3_decoder->imdct->w_1 = memalign(16, sizeof(complex_t));
ac3_init (p_ac3thread->ac3_decoder);
#undef p_dec
IMDCT->buf = memalign( 16, N/4 * sizeof(complex_t) );
IMDCT->delay = memalign( 16, 6 * 256 * sizeof(float) );
IMDCT->delay1 = memalign( 16, 6 * 256 * sizeof(float) );
IMDCT->xcos1 = memalign( 16, N/4 * sizeof(float) );
IMDCT->xsin1 = memalign( 16, N/4 * sizeof(float) );
IMDCT->xcos2 = memalign( 16, N/8 * sizeof(float) );
IMDCT->xsin2 = memalign( 16, N/8 * sizeof(float) );
IMDCT->xcos_sin_sse = memalign( 16, 128 * 4 * sizeof(float) );
IMDCT->w_1 = memalign( 16, 1 * sizeof(complex_t) );
IMDCT->w_2 = memalign( 16, 2 * sizeof(complex_t) );
IMDCT->w_4 = memalign( 16, 4 * sizeof(complex_t) );
IMDCT->w_8 = memalign( 16, 8 * sizeof(complex_t) );
IMDCT->w_16 = memalign( 16, 16 * sizeof(complex_t) );
IMDCT->w_32 = memalign( 16, 32 * sizeof(complex_t) );
IMDCT->w_64 = memalign( 16, 64 * sizeof(complex_t) );
ac3_init( p_ac3thread->ac3_decoder );
/*
* Initialize the output properties
......@@ -343,6 +345,30 @@ static int ac3_adec_Init( ac3dec_thread_t * p_ac3thread )
AC3DEC_FRAME_SIZE, NULL );
if ( p_ac3thread->p_aout_fifo == NULL )
{
free( IMDCT->w_1 );
free( IMDCT->w_64 );
free( IMDCT->w_32 );
free( IMDCT->w_16 );
free( IMDCT->w_8 );
free( IMDCT->w_4 );
free( IMDCT->w_2 );
free( IMDCT->xcos_sin_sse );
free( IMDCT->xsin2 );
free( IMDCT->xcos2 );
free( IMDCT->xsin1 );
free( IMDCT->xcos1 );
free( IMDCT->delay1 );
free( IMDCT->delay );
free( IMDCT->buf );
#undef IMDCT
#if defined( __MINGW32__ )
free( p_ac3thread->ac3_decoder->samples_back );
#else
free( p_ac3thread->ac3_decoder->samples );
#endif
free( p_ac3thread->ac3_decoder->imdct );
free( p_ac3thread->ac3_decoder );
return( -1 );
}
......@@ -405,21 +431,24 @@ static void ac3_adec_EndThread (ac3dec_thread_t * p_ac3thread)
module_Unneed( p_ac3thread->ac3_decoder->imdct->p_module );
/* Destroy descriptor */
free( p_ac3thread->ac3_decoder->imdct->w_1 );
free( p_ac3thread->ac3_decoder->imdct->w_64 );
free( p_ac3thread->ac3_decoder->imdct->w_32 );
free( p_ac3thread->ac3_decoder->imdct->w_16 );
free( p_ac3thread->ac3_decoder->imdct->w_8 );
free( p_ac3thread->ac3_decoder->imdct->w_4 );
free( p_ac3thread->ac3_decoder->imdct->w_2 );
free( p_ac3thread->ac3_decoder->imdct->xcos_sin_sse );
free( p_ac3thread->ac3_decoder->imdct->xsin2 );
free( p_ac3thread->ac3_decoder->imdct->xcos2 );
free( p_ac3thread->ac3_decoder->imdct->xsin1 );
free( p_ac3thread->ac3_decoder->imdct->xcos1 );
free( p_ac3thread->ac3_decoder->imdct->delay1 );
free( p_ac3thread->ac3_decoder->imdct->delay );
free( p_ac3thread->ac3_decoder->imdct->buf );
#define IMDCT p_ac3thread->ac3_decoder->imdct
free( IMDCT->w_1 );
free( IMDCT->w_64 );
free( IMDCT->w_32 );
free( IMDCT->w_16 );
free( IMDCT->w_8 );
free( IMDCT->w_4 );
free( IMDCT->w_2 );
free( IMDCT->xcos_sin_sse );
free( IMDCT->xsin2 );
free( IMDCT->xcos2 );
free( IMDCT->xsin1 );
free( IMDCT->xcos1 );
free( IMDCT->delay1 );
free( IMDCT->delay );
free( IMDCT->buf );
#undef IMDCT
#if defined( __MINGW32__ )
free( p_ac3thread->ac3_decoder->samples_back );
#else
......@@ -427,17 +456,15 @@ static void ac3_adec_EndThread (ac3dec_thread_t * p_ac3thread)
#endif
free( p_ac3thread->ac3_decoder->imdct );
free( p_ac3thread->ac3_decoder );
free( p_ac3thread->p_config );
free( p_ac3thread );
intf_DbgMsg ("ac3dec debug: ac3 decoder thread %p destroyed", p_ac3thread);
intf_DbgMsg( "ac3dec debug: ac3 decoder thread %p destroyed", p_ac3thread );
}
/*****************************************************************************
* BitstreamCallback: Import parameters from the new data/PES packet
*****************************************************************************
* This function is called by input's NextDataPacket.
*****************************************************************************/
* BitstreamCallback: Import parameters from the new data/PES packet
*****************************************************************************
* This function is called by input's NextDataPacket.
*****************************************************************************/
static void BitstreamCallback ( bit_stream_t * p_bit_stream,
boolean_t b_new_pes)
{
......
plugins/ac3_adec/ac3_imdct.c
View file @ 50366aa6
......@@ -2,7 +2,7 @@
* ac3_imdct.c: ac3 DCT
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: ac3_imdct.c,v 1.1 2001/11/13 12:09:17 henri Exp $
* $Id: ac3_imdct.c,v 1.2 2001/11/13 18:10:38 sam Exp $
*
* Authors: Michel Kaempf <maxx@via.ecp.fr>
* Aaron Holtzman <aholtzma@engr.uvic.ca>
......@@ -140,10 +140,16 @@ void imdct (ac3dec_t * p_ac3dec, s16 * buffer)
for (i=0; i<p_ac3dec->bsi.nfchans; i++)
{
if (p_ac3dec->audblk.blksw[i])
{
/* There is only a C function */
p_ac3dec->imdct->pf_imdct_256_nol (p_ac3dec->imdct, p_ac3dec->samples+256*i, p_ac3dec->imdct->delay1+256*i);
p_ac3dec->imdct->pf_imdct_256_nol( p_ac3dec->imdct,
p_ac3dec->samples+256*i, p_ac3dec->imdct->delay1+256*i );
}
else
p_ac3dec->imdct->pf_imdct_512_nol (p_ac3dec->imdct, p_ac3dec->samples+256*i, p_ac3dec->imdct->delay1+256*i);
{
p_ac3dec->imdct->pf_imdct_512_nol( p_ac3dec->imdct,
p_ac3dec->samples+256*i, p_ac3dec->imdct->delay1+256*i );
}
}
/* mix the sample, overlap */
......
plugins/imdct/ac3_imdct_sse.c
View file @ 50366aa6
......@@ -2,7 +2,7 @@
* ac3_imdct_sse.c: accelerated SSE ac3 DCT
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: ac3_imdct_sse.c,v 1.6 2001/10/30 19:34:53 reno Exp $
* $Id: ac3_imdct_sse.c,v 1.7 2001/11/13 18:10:38 sam Exp $
*
* Authors: Renaud Dartus <reno@videolan.org>
* Aaron Holtzman <aholtzma@engr.uvic.ca>
......@@ -49,11 +49,13 @@
void _M( fft_64p ) ( complex_t *x );
void _M( fft_128p ) ( complex_t *a );
static void imdct512_pre_ifft_twiddle_sse (const int *pmt, complex_t *buf, float *data, float *xcos_sin_sse);
static void imdct512_post_ifft_twiddle_sse (complex_t *buf, float *xcos_sin_sse);
static void imdct512_window_delay_sse (complex_t *buf, float *data_ptr, float *window_prt, float *delay_prt);
static void imdct512_window_delay_nol_sse (complex_t *buf, float *data_ptr, float *window_prt, float *delay_prt);
static void imdct512_pre_ifft_twiddle_sse ( const int *, complex_t *,
float *, float * );
static void imdct512_post_ifft_twiddle_sse ( complex_t *, float * );
static void imdct512_window_delay_sse ( complex_t *, float *,
float *, float * );
static void imdct512_window_delay_nol_sse ( complex_t *, float *,
float *, float * );
void _M( imdct_init ) (imdct_t * p_imdct)
{
......@@ -73,19 +75,21 @@ void _M( imdct_init ) (imdct_t * p_imdct)
void _M( imdct_do_512 ) (imdct_t * p_imdct, float data[], float delay[])
{
imdct512_pre_ifft_twiddle_sse (pm128, p_imdct->buf, data, p_imdct->xcos_sin_sse);
imdct512_pre_ifft_twiddle_sse( pm128, p_imdct->buf, data,
p_imdct->xcos_sin_sse );
_M( fft_128p ) ( p_imdct->buf );
imdct512_post_ifft_twiddle_sse (p_imdct->buf, p_imdct->xcos_sin_sse);
imdct512_window_delay_sse (p_imdct->buf, data, window, delay);
imdct512_post_ifft_twiddle_sse( p_imdct->buf, p_imdct->xcos_sin_sse );
imdct512_window_delay_sse( p_imdct->buf, data, window, delay );
}
void _M( imdct_do_512_nol ) (imdct_t * p_imdct, float data[], float delay[])
{
imdct512_pre_ifft_twiddle_sse (pm128, p_imdct->buf, data, p_imdct->xcos_sin_sse);
imdct512_pre_ifft_twiddle_sse( pm128, p_imdct->buf, data,
p_imdct->xcos_sin_sse );
_M( fft_128p ) ( p_imdct->buf );
imdct512_post_ifft_twiddle_sse (p_imdct->buf, p_imdct->xcos_sin_sse);
imdct512_window_delay_nol_sse (p_imdct->buf, data, window, delay);
imdct512_post_ifft_twiddle_sse( p_imdct->buf, p_imdct->xcos_sin_sse );
imdct512_window_delay_nol_sse( p_imdct->buf, data, window, delay );
}
static void imdct512_pre_ifft_twiddle_sse (const int *pmt, complex_t *buf, float *data, float *xcos_sin_sse)
......@@ -408,7 +412,8 @@ static void imdct512_window_delay_sse (complex_t *buf, float *data_ptr, float *w
}
static void imdct512_window_delay_nol_sse (complex_t *buf, float *data_ptr, float *window_prt, float *delay_prt)
static void imdct512_window_delay_nol_sse( complex_t *buf, float *data_ptr,
float *window_prt, float *delay_prt )
{
__asm__ __volatile__ (
".align 16\n"
......@@ -501,7 +506,6 @@ static void imdct512_window_delay_nol_sse (complex_t *buf, float *data_ptr, floa
"leal 512(%%ebp), %%esi\n" /* buf[64].re */
"leal 508(%%ebp), %%edi\n" /* buf[63].im */
"movl $16, %%ebx\n" /* loop count */
"addl $-1024, %%ecx\n" /* delay */
".align 16\n"
".first_128_delays:\n"
......
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