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vlc-1.1
Commit 9b3216c8 authored by Gildas Bazin's avatar Gildas Bazin
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* ./plugins/directx/aout_directx.c: fixed compile warnings.
parent d4a50a34
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plugins/directx/aout_directx.c
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......@@ -2,7 +2,7 @@
* aout_directx.c: Windows DirectX audio output method
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: aout_directx.c,v 1.20 2002/02/24 22:06:50 sam Exp $
* $Id: aout_directx.c,v 1.21 2002/05/21 07:48:50 gbazin Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -68,12 +68,12 @@ typedef struct aout_sys_s
HINSTANCE hdsound_dll; /* handle of the opened dsound dll */
int i_buffer_size; /* secondary sound buffer size */
int i_write_position; /* next write position for the buffer */
long l_buffer_size; /* secondary sound buffer size */
long l_write_position; /* next write position for the buffer */
volatile boolean_t b_buffer_underflown; /* buffer underflow detection */
volatile int i_data_played_from_beginning; /* for underflow detection */
volatile int i_data_written_from_beginning; /* for underflow detection */
volatile long l_data_played_from_beginning; /* for underflow detection */
volatile long l_data_written_from_beginning; /* for underflow detection */
vlc_mutex_t buffer_lock; /* audio buffer lock */
......@@ -141,8 +141,8 @@ static int aout_Open( aout_thread_t *p_aout )
p_aout->p_sys->p_dsbuffer = NULL;
p_aout->p_sys->p_dsnotify = NULL;
p_aout->p_sys->b_notification_thread_die = 0;
p_aout->p_sys->i_data_written_from_beginning = 0;
p_aout->p_sys->i_data_played_from_beginning = 0;
p_aout->p_sys->l_data_written_from_beginning = 0;
p_aout->p_sys->l_data_played_from_beginning = 0;
vlc_mutex_init( &p_aout->p_sys->buffer_lock );
......@@ -205,7 +205,7 @@ static int aout_SetFormat( aout_thread_t *p_aout )
{
HRESULT dsresult;
WAVEFORMATEX *p_waveformat;
unsigned int i_size_struct;
unsigned long i_size_struct;
intf_WarnMsg( 3, "aout: DirectX aout_SetFormat ");
......@@ -273,7 +273,7 @@ static int aout_SetFormat( aout_thread_t *p_aout )
*****************************************************************************/
static int aout_GetBufInfo( aout_thread_t *p_aout, int i_buffer_limit )
{
int i_play_position, i_notused, i_result;
long l_play_position, l_notused, l_result;
HRESULT dsresult;
if( p_aout->p_sys->b_buffer_underflown )
......@@ -283,22 +283,22 @@ static int aout_GetBufInfo( aout_thread_t *p_aout, int i_buffer_limit )
}
dsresult = IDirectSoundBuffer_GetCurrentPosition(p_aout->p_sys->p_dsbuffer,
&i_play_position, &i_notused);
&l_play_position, &l_notused);
if( dsresult != DS_OK )
{
intf_WarnMsg(3,"aout: DirectX aout_GetBufInfo cannot get current pos");
return( i_buffer_limit );
}
i_result = (p_aout->p_sys->i_write_position >= i_play_position) ?
(p_aout->p_sys->i_write_position - i_play_position)
: (p_aout->p_sys->i_buffer_size - i_play_position
+ p_aout->p_sys->i_write_position);
l_result = (p_aout->p_sys->l_write_position >= l_play_position) ?
(p_aout->p_sys->l_write_position - l_play_position)
: (p_aout->p_sys->l_buffer_size - l_play_position
+ p_aout->p_sys->l_write_position);
#if 0
intf_WarnMsg( 3, "aout: DirectX aout_GetBufInfo: %i", i_result);
intf_WarnMsg( 3, "aout: DirectX aout_GetBufInfo: %li", l_result);
#endif
return i_result;
return l_result;
}
/*****************************************************************************
......@@ -310,7 +310,7 @@ static int aout_GetBufInfo( aout_thread_t *p_aout, int i_buffer_limit )
static void aout_Play( aout_thread_t *p_aout, byte_t *buffer, int i_size )
{
VOID *p_write_position, *p_start_buffer;
int i_bytes1, i_bytes2, i_play_position;
long l_bytes1, l_bytes2, l_play_position;
HRESULT dsresult;
/* protect buffer access (because of DirectSoundThread) */
......@@ -322,30 +322,30 @@ static void aout_Play( aout_thread_t *p_aout, byte_t *buffer, int i_size )
* as soon as possible. This is why we query the play position */
dsresult = IDirectSoundBuffer_GetCurrentPosition(
p_aout->p_sys->p_dsbuffer,
&i_play_position,
&p_aout->p_sys->i_write_position );
&l_play_position,
&p_aout->p_sys->l_write_position );
if( dsresult != DS_OK )
{
intf_WarnMsg( 3, "aout: aout_Play can'get buffer position");
p_aout->p_sys->i_write_position = 0;
p_aout->p_sys->l_write_position = 0;
}
intf_WarnMsg( 3, "aout: aout_Play underflow");
/* reinitialise the underflow detection counters */
p_aout->p_sys->b_buffer_underflown = 0;
p_aout->p_sys->i_data_written_from_beginning = 0;
p_aout->p_sys->l_data_written_from_beginning = 0;
#define WRITE_P p_aout->p_sys->i_write_position
#define PLAY_P i_play_position
#define BUF_SIZE p_aout->p_sys->i_buffer_size
p_aout->p_sys->i_data_played_from_beginning = -(WRITE_P %(BUF_SIZE/2));
#define WRITE_P p_aout->p_sys->l_write_position
#define PLAY_P l_play_position
#define BUF_SIZE p_aout->p_sys->l_buffer_size
p_aout->p_sys->l_data_played_from_beginning = -(WRITE_P %(BUF_SIZE/2));
if( PLAY_P < BUF_SIZE/2 && WRITE_P > BUF_SIZE/2 )
{
p_aout->p_sys->i_data_played_from_beginning -= (BUF_SIZE/2);
p_aout->p_sys->l_data_played_from_beginning -= (BUF_SIZE/2);
}
if( PLAY_P > BUF_SIZE/2 && WRITE_P < BUF_SIZE/2 )
{
p_aout->p_sys->i_data_played_from_beginning -= (BUF_SIZE/2);
p_aout->p_sys->l_data_played_from_beginning -= (BUF_SIZE/2);
}
#undef WRITE_P
#undef PLAY_P
......@@ -354,23 +354,23 @@ static void aout_Play( aout_thread_t *p_aout, byte_t *buffer, int i_size )
/* Before copying anything, we have to lock the buffer */
dsresult = IDirectSoundBuffer_Lock( p_aout->p_sys->p_dsbuffer,
p_aout->p_sys->i_write_position, /* Offset of lock start */
p_aout->p_sys->l_write_position, /* Offset of lock start */
i_size, /* Number of bytes to lock */
&p_write_position, /* Address of lock start */
&i_bytes1, /* Count of bytes locked before wrap around */
&l_bytes1, /* Count of bytes locked before wrap around */
&p_start_buffer, /* Buffer adress (if wrap around) */
&i_bytes2, /* Count of bytes after wrap around */
&l_bytes2, /* Count of bytes after wrap around */
0); /* Flags */
if( dsresult == DSERR_BUFFERLOST )
{
IDirectSoundBuffer_Restore( p_aout->p_sys->p_dsbuffer );
dsresult = IDirectSoundBuffer_Lock( p_aout->p_sys->p_dsbuffer,
p_aout->p_sys->i_write_position,
p_aout->p_sys->l_write_position,
i_size,
&p_write_position,
&i_bytes1,
&l_bytes1,
&p_start_buffer,
&i_bytes2,
&l_bytes2,
0);
}
......@@ -382,20 +382,20 @@ static void aout_Play( aout_thread_t *p_aout, byte_t *buffer, int i_size )
}
/* Now do the actual memcpy (two memcpy because the buffer is circular) */
memcpy( p_write_position, buffer, i_bytes1 );
memcpy( p_write_position, buffer, l_bytes1 );
if( p_start_buffer != NULL )
{
memcpy( p_start_buffer, buffer + i_bytes1, i_bytes2 );
memcpy( p_start_buffer, buffer + l_bytes1, l_bytes2 );
}
/* Now the data has been copied, unlock the buffer */
IDirectSoundBuffer_Unlock( p_aout->p_sys->p_dsbuffer,
p_write_position, i_bytes1, p_start_buffer, i_bytes2 );
p_write_position, l_bytes1, p_start_buffer, l_bytes2 );
/* Update the write position index of the buffer*/
p_aout->p_sys->i_write_position += i_size;
p_aout->p_sys->i_write_position %= p_aout->p_sys->i_buffer_size;
p_aout->p_sys->i_data_written_from_beginning += i_size;
p_aout->p_sys->l_write_position += i_size;
p_aout->p_sys->l_write_position %= p_aout->p_sys->l_buffer_size;
p_aout->p_sys->l_data_written_from_beginning += i_size;
vlc_mutex_unlock( &p_aout->p_sys->buffer_lock );
......@@ -574,11 +574,11 @@ static int DirectxCreateSecondaryBuffer( aout_thread_t *p_aout )
memset(&dsbcaps, 0, sizeof(DSBCAPS));
dsbcaps.dwSize = sizeof(DSBCAPS);
IDirectSoundBuffer_GetCaps( p_aout->p_sys->p_dsbuffer, &dsbcaps );
p_aout->p_sys->i_buffer_size = dsbcaps.dwBufferBytes;
p_aout->p_sys->i_write_position = 0;
p_aout->p_sys->l_buffer_size = dsbcaps.dwBufferBytes;
p_aout->p_sys->l_write_position = 0;
intf_WarnMsg( 3, "aout: DirectX DirectxCreateSecondaryBuffer: %i",
p_aout->p_sys->i_buffer_size);
intf_WarnMsg( 3, "aout: DirectX DirectxCreateSecondaryBuffer: %li",
p_aout->p_sys->l_buffer_size);
/* Now the secondary buffer is created, we need to setup its position
* notification */
......@@ -646,9 +646,9 @@ static void DirectSoundThread( aout_thread_t *p_aout )
{
HANDLE notification_events[2];
VOID *p_write_position, *p_start_buffer;
int i_bytes1, i_bytes2;
long l_bytes1, l_bytes2;
HRESULT dsresult;
int i_buffer_size, i_play_position, i_data_in_buffer;
long l_buffer_size, l_play_position, l_data_in_buffer;
notification_events[0]=p_aout->p_sys->notification_events[0].hEventNotify;
notification_events[1]=p_aout->p_sys->notification_events[1].hEventNotify;
......@@ -665,7 +665,7 @@ static void DirectSoundThread( aout_thread_t *p_aout )
while( !p_aout->p_sys->b_notification_thread_die )
{
/* wait for the position notification */
i_play_position = WaitForMultipleObjects( 2, notification_events,
l_play_position = WaitForMultipleObjects( 2, notification_events,
0, INFINITE );
vlc_mutex_lock( &p_aout->p_sys->buffer_lock );
......@@ -675,28 +675,28 @@ static void DirectSoundThread( aout_thread_t *p_aout )
}
/* check for buffer underflow (bodge for wrap around) */
i_buffer_size = p_aout->p_sys->i_buffer_size;
i_play_position = (i_play_position - WAIT_OBJECT_0) * i_buffer_size/2;
p_aout->p_sys->i_data_played_from_beginning += (i_buffer_size/2);
i_data_in_buffer = p_aout->p_sys->i_data_written_from_beginning -
p_aout->p_sys->i_data_played_from_beginning;
l_buffer_size = p_aout->p_sys->l_buffer_size;
l_play_position = (l_play_position - WAIT_OBJECT_0) * l_buffer_size/2;
p_aout->p_sys->l_data_played_from_beginning += (l_buffer_size/2);
l_data_in_buffer = p_aout->p_sys->l_data_written_from_beginning -
p_aout->p_sys->l_data_played_from_beginning;
/* detect wrap-around */
if( i_data_in_buffer < (-i_buffer_size/2) )
if( l_data_in_buffer < (-l_buffer_size/2) )
{
intf_WarnMsg(3,"aout: DirectSoundThread wrap around: %i", i_data_in_buffer);
i_data_in_buffer += i_buffer_size;
intf_WarnMsg(3,"aout: DirectSoundThread wrap around: %li", l_data_in_buffer);
l_data_in_buffer += l_buffer_size;
}
/* detect underflow */
if( i_data_in_buffer <= 0 )
if( l_data_in_buffer <= 0 )
{
intf_WarnMsg(3,"aout: DirectSoundThread underflow: %li", i_data_in_buffer);
intf_WarnMsg(3,"aout: DirectSoundThread underflow: %li", l_data_in_buffer);
p_aout->p_sys->b_buffer_underflown = 1;
p_aout->p_sys->i_write_position =
(i_play_position + i_buffer_size/2) % i_buffer_size;
i_data_in_buffer = i_buffer_size / 2;
p_aout->p_sys->i_data_played_from_beginning -= (i_buffer_size/2);
p_aout->p_sys->l_write_position =
(l_play_position + l_buffer_size/2) % l_buffer_size;
l_data_in_buffer = l_buffer_size / 2;
p_aout->p_sys->l_data_played_from_beginning -= (l_buffer_size/2);
}
......@@ -704,23 +704,23 @@ static void DirectSoundThread( aout_thread_t *p_aout )
/* Before copying anything, we have to lock the buffer */
dsresult = IDirectSoundBuffer_Lock( p_aout->p_sys->p_dsbuffer,
p_aout->p_sys->i_write_position, /* Offset of lock start */
i_buffer_size - i_data_in_buffer, /* Number of bytes */
p_aout->p_sys->l_write_position, /* Offset of lock start */
l_buffer_size - l_data_in_buffer, /* Number of bytes */
&p_write_position, /* Address of lock start */
&i_bytes1, /* Count of bytes locked before wrap around */
&l_bytes1, /* Count of bytes locked before wrap around */
&p_start_buffer, /* Buffer adress (if wrap around) */
&i_bytes2, /* Count of bytes after wrap around */
&l_bytes2, /* Count of bytes after wrap around */
0); /* Flags */
if( dsresult == DSERR_BUFFERLOST )
{
IDirectSoundBuffer_Restore( p_aout->p_sys->p_dsbuffer );
dsresult = IDirectSoundBuffer_Lock( p_aout->p_sys->p_dsbuffer,
p_aout->p_sys->i_write_position,
i_buffer_size - i_data_in_buffer,
p_aout->p_sys->l_write_position,
l_buffer_size - l_data_in_buffer,
&p_write_position,
&i_bytes1,
&l_bytes1,
&p_start_buffer,
&i_bytes2,
&l_bytes2,
0);
}
if( dsresult != DS_OK )
......@@ -731,15 +731,15 @@ static void DirectSoundThread( aout_thread_t *p_aout )
}
/* Now do the actual memcpy (two because the buffer is circular) */
memset( p_write_position, 0, i_bytes1 );
memset( p_write_position, 0, l_bytes1 );
if( p_start_buffer != NULL )
{
memset( p_start_buffer, 0, i_bytes2 );
memset( p_start_buffer, 0, l_bytes2 );
}
/* Now the data has been copied, unlock the buffer */
IDirectSoundBuffer_Unlock( p_aout->p_sys->p_dsbuffer,
p_write_position, i_bytes1, p_start_buffer, i_bytes2 );
p_write_position, l_bytes1, p_start_buffer, l_bytes2 );
vlc_mutex_unlock( &p_aout->p_sys->buffer_lock );
......
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