* Roku HD1000 audio output.
authorJon Lech Johansen <jlj@videolan.org>
Thu, 18 Mar 2004 15:42:20 +0000 (15:42 +0000)
committerJon Lech Johansen <jlj@videolan.org>
Thu, 18 Mar 2004 15:42:20 +0000 (15:42 +0000)
configure.ac
modules/audio_output/Modules.am
modules/audio_output/hd1000a.cpp [new file with mode: 0644]

index e0580ae..d566e86 100644 (file)
@@ -1390,7 +1390,7 @@ dnl  libdvdnav plugin
 dnl
 AC_ARG_ENABLE(dvdnav,
   [  --enable-dvdnav         dvdnav input module (default enabled)])
-if test "${enable_caca}" != "no"
+if test "${enable_dvdnav}" != "no"
 then
   DVDNAV_PATH="${PATH}"
   AC_ARG_WITH(dvdnav-config-path,
@@ -1778,12 +1778,12 @@ then
       AC_MSG_ERROR([${with_mad_tree} directory doesn't exist])
     fi
     dnl  Use a custom libmad
-    AC_MSG_CHECKING(for mad.h in ${real_mad_tree}/libmad)
-    if test -f ${real_mad_tree}/libmad/mad.h
+    AC_MSG_CHECKING(for mad.h in ${real_mad_tree})
+    if test -f ${real_mad_tree}/mad.h
     then
       AC_MSG_RESULT(yes)
-      AX_ADD_CPPFLAGS([mpgatofixed32],[-I${real_mad_tree}/libmad])
-      AX_ADD_LDFLAGS([mpgatofixed32],[-L${real_mad_tree}/libmad/.libs])
+      AX_ADD_CPPFLAGS([mpgatofixed32],[-I${real_mad_tree}])
+      AX_ADD_LDFLAGS([mpgatofixed32],[-L${real_mad_tree}/.libs])
       LDFLAGS="${LDFLAGS_save} ${LDFLAGS_mpgatofixed32}"
       AC_CHECK_LIB(mad, mad_bit_init, [
         AX_ADD_BUILTINS([mpgatofixed32])
@@ -1930,7 +1930,7 @@ then
       dnl  Use a custom faad
       AC_MSG_RESULT(${real_faad_tree}/libfaad/.libs/libfaad.a)
       AX_ADD_BUILTINS([faad])
-      AX_ADD_LDFLAGS([faad],[-L${real_faad_tree}/libfaad/.libs -lfaad])
+      AX_ADD_LDFLAGS([faad],[-L${real_faad_tree}/libfaad/.libs/libfaad.a])
       AX_ADD_CPPFLAGS([faad],[-I${real_faad_tree}/include])
     else
       dnl  The given libfaad wasn't built
@@ -2853,6 +2853,21 @@ then
     ], [ AC_MSG_ERROR([cannot find CoreAudio headers]) ])
 fi
 
+dnl
+dnl  Roku HD1000 audio
+dnl
+AC_ARG_ENABLE(hd1000a,
+  [  --enable-hd1000a        HD1000 audio module (default enabled on HD1000)])
+if test "${enable_hd1000a}" != "no" &&
+  (test "${SYS}" != "mingw32" || test "${enable_hd1000a}" = "yes")
+then
+  AC_LANG_PUSH([C++])
+  AC_CHECK_HEADERS(deschutes/libraries/hdmachinex225/PCMAudioPlayer.h, [
+    AX_ADD_PLUGINS([hd1000a])
+    AC_CHECK_LIB(HDMachineX225,main,AX_ADD_LDFLAGS([hd1000a],[-lHDMachineX225]))  ])
+  AC_LANG_POP([C++])
+fi
+
 dnl
 dnl  Interface plugins
 dnl
index 8e1c3e2..7504e87 100644 (file)
@@ -7,3 +7,4 @@ SOURCES_aout_file = file.c
 SOURCES_oss = oss.c
 SOURCES_aout_sdl = sdl.c
 SOURCES_waveout = waveout.c
+SOURCES_hd1000a = hd1000a.cpp
diff --git a/modules/audio_output/hd1000a.cpp b/modules/audio_output/hd1000a.cpp
new file mode 100644 (file)
index 0000000..f096fc7
--- /dev/null
@@ -0,0 +1,255 @@
+/*****************************************************************************
+ * hd1000a.cpp : Roku HD1000 audio output
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Author: Jon Lech Johansen <jon-vl@nanocrew.net>
+ *
+ * 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
+ *****************************************************************************/
+extern "C"
+{
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <vlc/vlc.h>
+#include <vlc/aout.h>
+
+#include "aout_internal.h"
+}
+
+#include <deschutes/libraries/hdmachinex225/PCMAudioPlayer.h>
+
+#define FRAME_SIZE 4096
+
+/*****************************************************************************
+ * aout_sys_t: audio output method descriptor
+ *****************************************************************************
+ * This structure is part of the audio output thread descriptor.
+ * It describes the direct sound specific properties of an audio device.
+ *****************************************************************************/
+struct aout_sys_t
+{
+    u32 nAlignment;
+    u32 nSizeMultiple;
+    u32 nBuffers;
+    u32 nBufferSize;
+    void ** ppBuffers;
+    u32 nNextBufferIndex;
+    PCMAudioPlayer * pPlayer;
+};
+
+/*****************************************************************************
+ * Local prototypes.
+ *****************************************************************************/
+static int     Open        ( vlc_object_t * );
+static void    Close       ( vlc_object_t * );
+
+static void    Play        ( aout_instance_t * );
+static int     Thread      ( aout_instance_t * );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+vlc_module_begin();
+    set_description( N_("HD1000 audio output") );
+    set_capability( "audio output", 100 );
+    set_callbacks( Open, Close );
+vlc_module_end();
+
+/*****************************************************************************
+ * Open: open a dummy audio device
+ *****************************************************************************/
+static int Open( vlc_object_t * p_this )
+{
+    aout_instance_t * p_aout = (aout_instance_t *)p_this;
+    struct aout_sys_t * p_sys;
+    PCMAudioPlayer * pPlayer;
+    int i_volume;
+
+    /* Allocate structure */
+    p_aout->output.p_sys = p_sys =
+        (aout_sys_t *)malloc( sizeof( aout_sys_t ) );
+    if( p_aout->output.p_sys == NULL )
+    {
+        msg_Err( p_aout, "out of memory" );
+        return VLC_EGENERIC;
+    }
+
+    /* New PCMAudioPlayer */
+    p_sys->pPlayer = pPlayer = new PCMAudioPlayer();
+    if( p_sys->pPlayer == NULL )
+    {
+        msg_Err( p_aout, "out of memory" );
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    /* Get Buffer Requirements */
+    if( !pPlayer->GetBufferRequirements( p_sys->nAlignment,
+                                         p_sys->nSizeMultiple,
+                                         p_sys->nBuffers ) )
+    {
+        msg_Err( p_aout, "GetBufferRequirements failed" );
+        delete pPlayer;
+        free( p_sys );
+        return VLC_EGENERIC;
+    } 
+
+    p_sys->nBuffers = __MIN( p_sys->nBuffers, 4 );
+
+    p_sys->ppBuffers = (void **)malloc( p_sys->nBuffers * sizeof( void * ) );
+    if( p_sys->ppBuffers == NULL )
+    {
+        msg_Err( p_aout, "out of memory" );
+        delete pPlayer;
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    /* Open PCMAudioPlayer */
+    p_sys->nBufferSize = FRAME_SIZE * 4;
+    if( !pPlayer->Open( p_sys->nBuffers, p_sys->nBufferSize,
+                        p_sys->ppBuffers ) )
+    {
+        msg_Err( p_aout, "Open failed" );
+        delete pPlayer;
+        free( p_sys->ppBuffers );
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    p_sys->nNextBufferIndex = 0;
+
+    if( !pPlayer->SetSampleRate( p_aout->output.output.i_rate ) )
+    {
+        p_aout->output.output.i_rate = 44100;
+        if( !pPlayer->SetSampleRate( p_aout->output.output.i_rate ) )
+        {
+            msg_Err( p_aout, "SetSampleRate failed" );
+            pPlayer->Close();
+            delete pPlayer;
+            free( p_sys->ppBuffers );
+            free( p_sys );
+            return VLC_EGENERIC;
+        }
+    }
+
+    p_aout->output.output.i_format = AOUT_FMT_S16_NE;
+    p_aout->output.i_nb_samples = FRAME_SIZE;
+    p_aout->output.output.i_physical_channels
+            = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+    p_aout->output.pf_play = Play;
+    aout_VolumeSoftInit( p_aout );
+
+    i_volume = config_GetInt( p_aout->p_vlc, "volume" );
+    pPlayer->SetVolume( (u32)__MIN( i_volume * 64, 0xFFFF ) );
+
+    /* Create thread and wait for its readiness. */
+    if( vlc_thread_create( p_aout, "aout", Thread,
+                           VLC_THREAD_PRIORITY_OUTPUT, VLC_FALSE ) )
+    {
+        msg_Err( p_aout, "cannot create OSS thread (%s)", strerror(errno) );
+        pPlayer->Close();
+        delete pPlayer;
+        free( p_sys->ppBuffers );
+        free( p_sys );
+        return VLC_ETHREAD;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close: close our file
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+    u32 i;
+    aout_instance_t * p_aout = (aout_instance_t *)p_this;
+    struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+    p_aout->b_die = VLC_TRUE;
+    vlc_thread_join( p_aout );
+    p_aout->b_die = VLC_FALSE;
+
+    do
+    {
+        i = p_sys->pPlayer->WaitForBuffer();
+    } while( i != 0 && i != p_sys->nBuffers );
+
+    p_sys->pPlayer->Close();
+    delete p_sys->pPlayer;
+
+    free( p_sys->ppBuffers );
+    free( p_sys );
+}
+
+/*****************************************************************************
+ * Play: do nothing
+ *****************************************************************************/
+static void Play( aout_instance_t * p_aout )
+{
+}
+
+/*****************************************************************************
+ * Thread: thread used to DMA the data to the device
+ *****************************************************************************/
+static int Thread( aout_instance_t * p_aout )
+{
+    aout_buffer_t * p_buffer;
+    struct aout_sys_t * p_sys = p_aout->output.p_sys;
+    PCMAudioPlayer * pPlayer = p_sys->pPlayer;
+
+    while( !p_aout->b_die )
+    {
+        pPlayer->WaitForBuffer();
+
+        vlc_mutex_lock( &p_aout->output_fifo_lock );
+        p_buffer = aout_FifoPop( p_aout, &p_aout->output.fifo );
+        vlc_mutex_unlock( &p_aout->output_fifo_lock );
+
+#define i p_sys->nNextBufferIndex
+        if( p_buffer == NULL )
+        {
+            p_aout->p_vlc->pf_memset( p_sys->ppBuffers[ i ], 0,
+                                      p_sys->nBufferSize ); 
+        }
+        else
+        {
+            p_aout->p_vlc->pf_memcpy( p_sys->ppBuffers[ i ],
+                                      p_buffer->p_buffer,
+                                      p_sys->nBufferSize );
+            aout_BufferFree( p_buffer );
+        }
+
+        if( !pPlayer->QueueBuffer( (s16 *)p_sys->ppBuffers[ i ],
+                                   p_sys->nBufferSize / 2 ) )
+        {
+            msg_Err( p_aout, "QueueBuffer failed" );
+        } 
+
+        i = (i + 1) % p_sys->nBuffers;
+#undef i
+    }
+
+    return VLC_SUCCESS;
+}