Split out cdda to facilitate later changes.

modules/access/cdda/.cvsignore

+Makefile
+Makefile.am
+Makefile.in
+.deps

modules/access/cdda/Modules.am

 SOURCES_cddax = \
+        ../vcdx/cdrom.c \
+        ../vcdx/cdrom.h \
 	cdda.c \
+	cdda.h \
+	access.c \
+	intf.c \
 	$(NULL)

modules/access/cdda/access.c

+/*****************************************************************************
+ * cddax.c : CD digital audio input module for vlc using libcdio
+ *****************************************************************************
+ * Copyright (C) 2000,2003 VideoLAN
+ * $Id: access.c,v 1.1 2003/11/26 03:35:26 rocky Exp $
+ *
+ * Authors: Rocky Bernstein <rocky@panix.com> 
+ *          Laurent Aimar <fenrir@via.ecp.fr>
+ *          Gildas Bazin <gbazin@netcourrier.com>
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+#include <vlc/input.h>
+#include <sys/types.h>
+#include <cdio/cdio.h>
+#include <cdio/cd_types.h>
+
+#include "codecs.h"
+#include "vlc_keys.h"
+
+#ifdef HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
+
+#include <string.h>
+
+#include "cdda.h"
+
+/* how many blocks Open will read in each loop */
+#define CDDA_BLOCKS_ONCE 1
+#define CDDA_DATA_ONCE   (CDDA_BLOCKS_ONCE * CDIO_CD_FRAMESIZE_RAW)
+
+#define DEBUG_TEXT N_("set debug mask for additional debugging.")
+#define DEBUG_LONGTEXT N_( \
+    "This integer when viewed in binary is a debugging mask\n" \
+    "MRL             1\n" \
+    "events          2\n" \
+    "external call   4\n" \
+    "all calls       8\n" \
+    "LSN      (10)  16\n" \
+    "libcdio  (20)  32\n" \
+    "seeks    (40)  64\n" )
+
+#define DEV_TEXT N_("CD-ROM device name")
+#define DEV_LONGTEXT N_( \
+    "Specify the name of the CD-ROM device that will be used by default. " \
+    "If you don't specify anything, we'll scan for a suitable CD-ROM device.")
+
+/*****************************************************************************
+ * intf_sys_t: description and status of interface
+ *****************************************************************************/
+struct intf_sys_t
+{
+    input_thread_t    * p_input;
+    cdda_data_t       * p_cdda;
+    vlc_bool_t          b_click, b_move, b_key_pressed;
+};
+
+/* FIXME: This variable is a hack. Would be nice to eliminate. */
+static input_thread_t *p_cdda_input = NULL;
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  CDDARead         ( input_thread_t *, byte_t *, size_t );
+static void CDDASeek         ( input_thread_t *, off_t );
+static int  CDDASetArea      ( input_thread_t *, input_area_t * );
+static int  CDDASetProgram   ( input_thread_t *, pgrm_descriptor_t * );
+
+/****************************************************************************
+ * Private functions
+ ****************************************************************************/
+
+int
+E_(DebugCallback)   ( vlc_object_t *p_this, const char *psz_name,
+		      vlc_value_t oldval, vlc_value_t val, void *p_data )
+{
+  cdda_data_t *p_cdda;
+
+  if (NULL == p_cdda_input) return VLC_EGENERIC;
+  
+  p_cdda = (cdda_data_t *)p_cdda_input->p_access_data;
+
+  if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
+    msg_Dbg( p_cdda_input, "Old debug (x%0x) %d, new debug (x%0x) %d", 
+             p_cdda->i_debug, p_cdda->i_debug, val.i_int, val.i_int);
+  }
+  p_cdda->i_debug = val.i_int;
+  return VLC_SUCCESS;
+}
+
+/* process messages that originate from libcdio. */
+static void
+cdio_log_handler (cdio_log_level_t level, const char message[])
+{
+  cdda_data_t *p_cdda = (cdda_data_t *)p_cdda_input->p_access_data;
+  switch (level) {
+  case CDIO_LOG_DEBUG:
+  case CDIO_LOG_INFO:
+    if (p_cdda->i_debug & INPUT_DBG_CDIO) 
+      msg_Dbg( p_cdda_input, message);
+    break;
+  case CDIO_LOG_WARN:
+    msg_Warn( p_cdda_input, message);
+    break;
+  case CDIO_LOG_ERROR:
+  case CDIO_LOG_ASSERT:
+    msg_Err( p_cdda_input, message);
+    break;
+  default:
+    msg_Warn( p_cdda_input, message,
+            _("The above message had unknown vcdimager log level"), 
+            level);
+  }
+  return;
+}
+
+
+/*****************************************************************************
+ * Open: open cdda
+ *****************************************************************************/
+int 
+E_(Open)( vlc_object_t *p_this )
+{
+    input_thread_t *        p_input = (input_thread_t *)p_this;
+    char *                  psz_orig;
+    char *                  psz_parser;
+    char *                  psz_source;
+    cdda_data_t *           p_cdda;
+    int                     i;
+    int                     i_title = 1;
+    cddev_t                 *p_cddev;
+
+    /* Set where to log errors messages from libcdio. */
+    p_cdda_input = (input_thread_t *)p_this;
+
+    /* parse the options passed in command line : */
+    psz_orig = psz_parser = psz_source = strdup( p_input->psz_name );
+
+    if( !psz_orig )
+    {
+        return( -1 );
+    }
+
+    while( *psz_parser && *psz_parser != '@' )
+    {
+        psz_parser++;
+    }
+
+    if( *psz_parser == '@' )
+    {
+        /* Found options */
+        *psz_parser = '\0';
+        ++psz_parser;
+
+        if ('T' == *psz_parser || 't' == *psz_parser ) 
+            ++psz_parser;
+          
+        i_title = (int)strtol( psz_parser, NULL, 10 );
+        i_title = i_title ? i_title : 1;
+    }
+
+    if( !*psz_source ) {
+      /* No source specified, so figure it out. */
+      if( !p_input->psz_access ) {
+        free( psz_orig );
+        return -1;
+      }
+      psz_source = config_GetPsz( p_input, MODULE_STRING "-device" );
+      
+      if( !psz_source || 0==strlen(psz_source) ) {
+        /* Scan for a CD-ROM drive with a CD-DA in it. */
+        char **cd_drives = 
+          cdio_get_devices_with_cap(NULL,  CDIO_FS_AUDIO, false);
+        if (NULL == cd_drives) return -1;
+        if (cd_drives[0] == NULL) {
+          cdio_free_device_list(cd_drives);
+          return -1;
+        }
+        psz_source = strdup(cd_drives[0]);
+        cdio_free_device_list(cd_drives);
+      }
+    }
+
+    /* Open CDDA */
+    cdio_log_set_handler ( cdio_log_handler );
+
+    if( !(p_cddev = ioctl_Open( p_this, psz_source )) )
+    {
+        msg_Warn( p_input, "could not open %s", psz_source );
+        free( psz_source );
+        return -1;
+    }
+    free( psz_source );
+
+    p_cdda = malloc( sizeof(cdda_data_t) );
+    if( p_cdda == NULL )
+    {
+        msg_Err( p_input, "out of memory" );
+        free( psz_source );
+        return -1;
+    }
+
+    p_cdda->p_cddev        = p_cddev;
+    p_cdda->i_debug        = config_GetInt( p_this, MODULE_STRING "-debug" );
+    p_input->p_access_data = (void *)p_cdda;
+
+    dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "%s", psz_source );
+
+    p_input->i_mtu = CDDA_DATA_ONCE;
+
+    /* We read the Table Of Content information */
+    p_cdda->i_nb_tracks = ioctl_GetTracksMap( VLC_OBJECT(p_input),
+                              p_cdda->p_cddev->cdio, &p_cdda->p_sectors );
+    if( p_cdda->i_nb_tracks < 0 )
+        msg_Err( p_input, "unable to count tracks" );
+    else if( p_cdda->i_nb_tracks <= 0 )
+        msg_Err( p_input, "no audio tracks found" );
+
+    if( p_cdda->i_nb_tracks <= 1)
+    {
+        ioctl_Close( p_cdda->p_cddev );
+        free( p_cdda );
+        return -1;
+    }
+
+    if( i_title >= p_cdda->i_nb_tracks || i_title < 1 )
+        i_title = 1;
+
+    /* Set stream and area data */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    /* Initialize ES structures */
+    input_InitStream( p_input, 0 );
+
+    /* cdda input method */
+    p_input->stream.i_method = INPUT_METHOD_CDDA;
+
+    p_input->stream.b_pace_control = 1;
+    p_input->stream.b_seekable = 1;
+    p_input->stream.i_mux_rate = 44100 * 4 / 50;
+
+#define area p_input->stream.pp_areas
+    for( i = 1 ; i <= p_cdda->i_nb_tracks ; i++ )
+    {
+        input_AddArea( p_input, i, 1 );
+
+        /* Absolute start offset and size */
+        area[i]->i_start =
+            (off_t)p_cdda->p_sectors[i-1] * (off_t)CDIO_CD_FRAMESIZE_RAW;
+        area[i]->i_size =
+            (off_t)(p_cdda->p_sectors[i] - p_cdda->p_sectors[i-1])
+            * (off_t)CDIO_CD_FRAMESIZE_RAW;
+    }
+#undef area
+
+    CDDAPlay( p_input, i_title);
+
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    if( !p_input->psz_demux || !*p_input->psz_demux )
+    {
+        p_input->psz_demux = "cdda";
+    }
+
+    p_input->pf_read = CDDARead;
+    p_input->pf_seek = CDDASeek;
+    p_input->pf_set_area = CDDASetArea;
+    p_input->pf_set_program = CDDASetProgram;
+
+    /* Update default_pts to a suitable value for cdda access */
+    p_input->i_pts_delay = config_GetInt( p_input, 
+					  MODULE_STRING "-caching" ) * 1000;
+
+    p_cdda->p_intf = intf_Create( p_input, "cddax" );
+    intf_RunThread( p_cdda->p_intf );
+
+    return 0;
+}
+
+/*****************************************************************************
+ * CDDAPlay: Arrange things so we play the specified track.
+ * VLC_TRUE is returned if there was no error.
+ *****************************************************************************/
+vlc_bool_t
+CDDAPlay( input_thread_t *p_input, int i_track )
+{
+  cdda_data_t *p_cdda = (cdda_data_t *) p_input->p_access_data;
+
+  if( i_track >= p_cdda->i_nb_tracks || i_track < 1 )
+    return VLC_FALSE;
+
+  CDDASetArea( p_input, p_input->stream.pp_areas[i_track] );
+  return VLC_TRUE;
+}
+
+/*****************************************************************************
+ * CDDAClose: closes cdda
+ *****************************************************************************/
+void 
+E_(Close)( vlc_object_t *p_this )
+{
+    input_thread_t *   p_input = (input_thread_t *)p_this;
+    cdda_data_t *p_cdda = (cdda_data_t *)p_input->p_access_data;
+
+    dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "" );
+    ioctl_Close( p_cdda->p_cddev );
+    free( p_cdda );
+    p_cdda_input = NULL;
+}
+
+/*****************************************************************************
+ * CDDARead: reads from the CDDA into PES packets.
+ *****************************************************************************
+ * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
+ * bytes.
+ *****************************************************************************/
+static int CDDARead( input_thread_t * p_input, byte_t * p_buffer,
+                     size_t i_len )
+{
+    cdda_data_t *           p_cdda;
+    int                     i_blocks;
+    int                     i_index;
+    int                     i_read;
+
+    p_cdda = (cdda_data_t *)p_input->p_access_data;
+
+    i_read = 0;
+
+    /* Compute the number of blocks we have to read */
+
+    i_blocks = i_len / CDIO_CD_FRAMESIZE_RAW;
+
+    for ( i_index = 0; i_index < i_blocks; i_index++ )
+    {
+
+      if (cdio_read_audio_sector(p_cdda->p_cddev->cdio, p_buffer, 
+                                 p_cdda->i_sector) != 0)
+        {
+          msg_Err( p_input, "could not read sector %d", p_cdda->i_sector );
+          return -1;
+        }
+
+        p_cdda->i_sector ++;
+        if ( p_cdda->i_sector == p_cdda->p_sectors[p_cdda->i_track + 1] )
+        {
+            input_area_t *p_area;
+
+	    dbg_print( (INPUT_DBG_LSN|INPUT_DBG_CALL), 
+		       "end of track, cur: %u", p_cdda->i_sector );
+
+            if ( p_cdda->i_track >= p_cdda->i_nb_tracks - 1 )
+                return 0; /* EOF */
+
+            vlc_mutex_lock( &p_input->stream.stream_lock );
+            p_area = p_input->stream.pp_areas[
+                    p_input->stream.p_selected_area->i_id + 1 ];
+
+            p_area->i_part = 1;
+            CDDASetArea( p_input, p_area );
+            vlc_mutex_unlock( &p_input->stream.stream_lock );
+        }
+        i_read += CDIO_CD_FRAMESIZE_RAW;
+    }
+
+    if ( i_len % CDIO_CD_FRAMESIZE_RAW ) /* this should not happen */
+    {
+        msg_Err( p_input, "must read full sectors" );
+    }
+
+    return i_read;
+}
+
+/*****************************************************************************
+ * CDDASetProgram: Does nothing since a CDDA is mono_program
+ *****************************************************************************/
+static int CDDASetProgram( input_thread_t * p_input,
+                           pgrm_descriptor_t * p_program)
+{
+    cdda_data_t * p_cdda= (cdda_data_t *) p_input->p_access_data;
+    dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "" );
+    return 0;
+}
+
+/*****************************************************************************
+ * CDDASetArea: initialize input data for title x.
+ * It should be called for each user navigation request.
+ ****************************************************************************/
+static int CDDASetArea( input_thread_t * p_input, input_area_t * p_area )
+{
+    cdda_data_t *p_cdda = (cdda_data_t*) p_input->p_access_data;
+    vlc_value_t val;
+
+    dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "");
+
+    /* we can't use the interface slider until initilization is complete */
+    p_input->stream.b_seekable = 0;
+
+    if( p_area != p_input->stream.p_selected_area )
+    {
+        /* Change the default area */
+        p_input->stream.p_selected_area = p_area;
+
+        /* Change the current track */
+        p_cdda->i_track = p_area->i_id - 1;
+        p_cdda->i_sector = p_cdda->p_sectors[p_cdda->i_track];
+
+        /* Update the navigation variables without triggering a callback */
+        val.i_int = p_area->i_id;
+        var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
+    }
+
+    p_cdda->i_sector = p_cdda->p_sectors[p_cdda->i_track];
+
+    p_input->stream.p_selected_area->i_tell =
+        (off_t)p_cdda->i_sector * (off_t)CDIO_CD_FRAMESIZE_RAW
+         - p_input->stream.p_selected_area->i_start;
+
+    /* warn interface that something has changed */
+    p_input->stream.b_seekable = 1;
+    p_input->stream.b_changed = 1;
+
+    return 0;
+}
+
+/****************************************************************************
+ * CDDASeek
+ ****************************************************************************/
+static void CDDASeek( input_thread_t * p_input, off_t i_off )
+{
+    cdda_data_t * p_cdda;
+
+    p_cdda = (cdda_data_t *) p_input->p_access_data;
+
+    p_cdda->i_sector = p_cdda->p_sectors[p_cdda->i_track]
+                       + i_off / (off_t)CDIO_CD_FRAMESIZE_RAW;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+    p_input->stream.p_selected_area->i_tell =
+        (off_t)p_cdda->i_sector * (off_t)CDIO_CD_FRAMESIZE_RAW
+         - p_input->stream.p_selected_area->i_start;
+
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_SEEK),
+    "sector %ud, offset: %lld, i_tell: %lld",  p_cdda->i_sector, i_off, 
+               p_input->stream.p_selected_area->i_tell );
+
+}
+
+/*****************************************************************************
+ * Demux: local prototypes
+ *****************************************************************************/
+struct demux_sys_t
+{
+    es_out_id_t *p_es;
+    mtime_t     i_pts;
+};
+
+static int  Demux     ( input_thread_t * p_input );
+
+/****************************************************************************
+ * DemuxOpen:
+ ****************************************************************************/
+int  
+E_(DemuxOpen)    ( vlc_object_t * p_this)
+{
+    input_thread_t *p_input = (input_thread_t *)p_this;
+    demux_sys_t    *p_sys;
+
+    es_format_t    fmt;
+
+    if( p_input->stream.i_method != INPUT_METHOD_CDDA )
+    {
+        return VLC_EGENERIC;
+    }
+
+    p_input->pf_demux  = Demux;
+    p_input->pf_rewind = NULL;
+    p_input->pf_demux_control = demux_vaControlDefault;
+    p_input->p_demux_data = p_sys = malloc( sizeof( es_descriptor_t ) );
+    p_sys->i_pts = 0;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+    if( input_InitStream( p_input, 0 ) == -1)
+    {
+        vlc_mutex_unlock( &p_input->stream.stream_lock );
+        msg_Err( p_input, "cannot init stream" );
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+    p_input->stream.i_mux_rate = 4 * 44100 / 50;
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( 'a', 'r', 'a', 'w' ) );
+    fmt.audio.i_channels = 2;
+    fmt.audio.i_rate = 44100;
+    fmt.audio.i_bitspersample = 16;
+    fmt.audio.i_blockalign = 4;
+    fmt.i_bitrate = 4 * 44100 * 8;
+
+    p_sys->p_es =  es_out_Add( p_input->p_es_out, &fmt );
+
+    return VLC_SUCCESS;
+}
+
+/****************************************************************************
+ * DemuxClose:
+ ****************************************************************************/
+void 
+E_(DemuxClose)( vlc_object_t * p_this)
+{
+    input_thread_t *p_input = (input_thread_t*)p_this;
+    demux_sys_t    *p_sys = (demux_sys_t*)p_input->p_demux_data;
+
+    free( p_sys );
+    return;
+}
+
+/****************************************************************************
+ * Demux:
+ ****************************************************************************/
+static int  Demux( input_thread_t * p_input )
+{
+    demux_sys_t    *p_sys = (demux_sys_t*)p_input->p_demux_data;
+    block_t        *p_block;
+
+
+    input_ClockManageRef( p_input,
+                          p_input->stream.p_selected_program,
+                          p_sys->i_pts );
+
+    if( ( p_block = stream_Block( p_input->s, CDIO_CD_FRAMESIZE_RAW ) ) == NULL )
+    {
+        /* eof */
+        return 0;
+    }
+    p_block->i_dts =
+    p_block->i_pts = input_ClockGetTS( p_input,
+                                       p_input->stream.p_selected_program,
+                                       p_sys->i_pts );
+    p_block->i_length = (mtime_t)90000 * (mtime_t)p_block->i_buffer/44100/4;
+
+    p_sys->i_pts += p_block->i_length;
+
+    es_out_Send( p_input->p_es_out, p_sys->p_es, p_block );
+
+    return 1;
+}
+

modules/access/cdda/cdda.c

@@ -2,7 +2,7 @@
  * cddax.c : CD digital audio input module for vlc using libcdio
  *****************************************************************************
  * Copyright (C) 2000,2003 VideoLAN
- * $Id: cdda.c,v 1.1 2003/11/26 01:32:52 rocky Exp $
+ * $Id: cdda.c,v 1.2 2003/11/26 03:35:26 rocky Exp $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Gildas Bazin <gbazin@netcourrier.com>
@@ -26,57 +26,32 @@
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <stdio.h>
-#include <stdlib.h>
 
 #include <vlc/vlc.h>
-#include <vlc/intf.h>
-#include <vlc/input.h>
-#include <sys/types.h>
-#include <cdio/cdio.h>
-#include <cdio/cd_types.h>
 
-#include "codecs.h"
-#include "vlc_keys.h"
 
-#ifdef HAVE_UNISTD_H
-#   include <unistd.h>
-#endif
-
-#include <string.h>
+/*****************************************************************************
+ * prototypes
+ *****************************************************************************/
+int  E_(Open)         ( vlc_object_t * );
+void E_(Close)        ( vlc_object_t * );