--- /dev/null
+/*****************************************************************************
+ * record.c: record stream output module
+ *****************************************************************************
+ * Copyright (C) 2008 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <limits.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_block.h>
+#include <vlc_sout.h>
+#include <vlc_charset.h>
+
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define DST_PREFIX_TEXT N_("Destination prefix")
+#define DST_PREFIX_LONGTEXT N_( \
+ "Prefix of the destination file automatically generated" )
+
+#define SOUT_CFG_PREFIX "sout-record-"
+
+vlc_module_begin();
+ set_description( N_("Record stream output") );
+ set_capability( "sout stream", 0 );
+ add_shortcut( "record" );
+
+ set_category( CAT_SOUT );
+ set_subcategory( SUBCAT_SOUT_STREAM );
+
+ add_string( SOUT_CFG_PREFIX "dst-prefix", "", NULL, DST_PREFIX_TEXT,
+ DST_PREFIX_LONGTEXT, true );
+
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+/* */
+static const char *const ppsz_sout_options[] = {
+ "dst-prefix",
+ NULL
+};
+
+/* */
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
+static int Del ( sout_stream_t *, sout_stream_id_t * );
+static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
+
+/* */
+struct sout_stream_id_t
+{
+ es_format_t fmt;
+
+ block_t *p_first;
+ block_t **pp_last;
+
+ sout_stream_id_t *id;
+
+ bool b_wait_key;
+ bool b_wait_start;
+};
+
+struct sout_stream_sys_t
+{
+ char *psz_prefix;
+
+ sout_stream_t *p_out;
+
+ mtime_t i_date_start;
+ size_t i_size;
+
+ mtime_t i_max_wait;
+ size_t i_max_size;
+
+ bool b_drop;
+
+ int i_id;
+ sout_stream_id_t **id;
+ mtime_t i_dts_start;
+};
+
+static void OutputStart( sout_stream_t *p_stream );
+static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t * );
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys;
+
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+
+ p_stream->p_sys = p_sys = malloc( sizeof(*p_sys) );
+ if( !p_sys )
+ return VLC_ENOMEM;
+
+ config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
+
+ p_sys->p_out = NULL;
+ p_sys->psz_prefix = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "dst-prefix" );
+ if( !p_sys->psz_prefix )
+ {
+ p_sys->psz_prefix = strdup( "sout-record-" );
+ if( !p_sys->psz_prefix )
+ {
+ free( p_sys );
+ return VLC_ENOMEM;
+ }
+ }
+
+ p_sys->i_date_start = -1;
+ p_sys->i_size = 0;
+#ifdef OPTIMIZE_MEMORY
+ p_sys->i_max_wait = 5*1000000; /* 5s */
+ p_sys->i_max_size = 1*1000000; /* 1 Mbyte */
+#else
+ p_sys->i_max_wait = 30*1000000; /* 30s */
+ p_sys->i_max_size = 20*1000000; /* 20 Mbyte */
+#endif
+ p_sys->b_drop = false;
+ p_sys->i_dts_start = 0;
+ TAB_INIT( p_sys->i_id, p_sys->id );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( p_sys->p_out )
+ sout_StreamDelete( p_sys->p_out );
+
+ TAB_CLEAN( p_sys->i_id, p_sys->id );
+ free( p_sys->psz_prefix );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ sout_stream_id_t *id;
+
+ id = malloc( sizeof(*id) );
+ if( !id )
+ return NULL;
+
+ es_format_Copy( &id->fmt, p_fmt );
+ id->p_first = NULL;
+ id->pp_last = &id->p_first;
+ id->id = NULL;
+ id->b_wait_key = true;
+ id->b_wait_start = true;
+
+ TAB_APPEND( p_sys->i_id, p_sys->id, id );
+
+ return id;
+}
+
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( !p_sys->p_out )
+ OutputStart( p_stream );
+
+ if( id->p_first )
+ block_ChainRelease( id->p_first );
+ es_format_Clean( &id->fmt );
+
+ if( id->id )
+ sout_StreamIdDel( p_sys->p_out, id->id );
+
+ TAB_REMOVE( p_sys->i_id, p_sys->id, id );
+
+ if( p_sys->i_id <= 0 )
+ {
+ if( !p_sys->p_out )
+ p_sys->b_drop = false;
+ }
+
+ free( id );
+
+ return VLC_SUCCESS;
+}
+
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( p_sys->i_date_start < 0 )
+ p_sys->i_date_start = mdate();
+ if( !p_sys->p_out &&
+ ( mdate() - p_sys->i_date_start > p_sys->i_max_wait ||
+ p_sys->i_size > p_sys->i_max_size ) )
+ {
+ msg_Dbg( p_stream, "Staring recording, waited %ds and %dbyte",
+ (int)((mdate() - p_sys->i_date_start)/1000000), (int)p_sys->i_size );
+ OutputStart( p_stream );
+ }
+
+ OutputSend( p_stream, id, p_buffer );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+typedef struct
+{
+ const char *psz_muxer;
+ const char *psz_extension;
+ int i_es_max;
+ vlc_fourcc_t codec[128];
+} muxer_properties_t;
+
+#define M(muxer, ext, count, ... ) { .psz_muxer = muxer, .psz_extension = ext, .i_es_max = count, .codec = { __VA_ARGS__, 0 } }
+/* Table of native codec support,
+ * Do not do non native and non standard association !
+ * Muxer will be probe if no entry found */
+static const muxer_properties_t p_muxers[] = {
+ M( "raw", "mp3", 1, VLC_FOURCC('m','p','g','a') ),
+ M( "raw", "a52", 1, VLC_FOURCC('a','5','2',' ') ),
+ M( "raw", "dts", 1, VLC_FOURCC('d','t','s',' ') ),
+ M( "raw", "mpc", 1, VLC_FOURCC('m','p','c',' ') ),
+ M( "raw", "ape", 1, VLC_FOURCC('A','P','E',' ') ),
+
+ M( "wav", "wav", 1, VLC_FOURCC('a','r','a','w'), VLC_FOURCC('u','8',' ',' '), VLC_FOURCC('s','1','6','l'),
+ VLC_FOURCC('s','2','4','l'), VLC_FOURCC('s','3','2','l'), VLC_FOURCC('f','l','3','2') ),
+
+ //M( "ffmpeg{mux=flac}", "flac", 1, VLC_FOURCC('f','l','a','c') ), BROKEN
+
+ M( "ogg", "ogg", INT_MAX, VLC_FOURCC('v','o','r','b'), VLC_FOURCC('s','p','x',' '), VLC_FOURCC('f','l','a','c'),
+ VLC_FOURCC('s','u','b','t'), VLC_FOURCC('t','h','e','o'), VLC_FOURCC('d','r','a','c') ),
+
+ M( "asf", "asf", 127, VLC_FOURCC('w','m','a','1'), VLC_FOURCC('w','m','a','2'), VLC_FOURCC('w','m','a',' '),
+ VLC_FOURCC('w','m','a','p'), VLC_FOURCC('w','m','a','l'),
+ VLC_FOURCC('W','M','V','1'), VLC_FOURCC('W','M','V','2'), VLC_FOURCC('W','M','V','3') ),
+
+ M( "mp4", "mp4", INT_MAX, VLC_FOURCC('m','p','4','a'), VLC_FOURCC('h','2','6','4'), VLC_FOURCC('m','p','4','v'),
+ VLC_FOURCC('s','u','b','t') ),
+
+ M( "ps", "ps", 16/* FIXME*/,VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
+ VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
+ VLC_FOURCC('d','t','s',' '),
+ VLC_FOURCC('s','p','u',' ') ),
+
+ M( "ts", "ts", 8000, VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
+ VLC_FOURCC('h','2','6','4'),
+ VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
+ VLC_FOURCC('d','t','s',' '), VLC_FOURCC('m','p','4','a'),
+ VLC_FOURCC('d','v','b','s'), VLC_FOURCC('t','e','l','x') ),
+
+ M( NULL, NULL, 0, 0 )
+};
+#undef M
+
+static int OutputNew( sout_stream_t *p_stream,
+ const char *psz_muxer, const char *psz_prefix, const char *psz_extension )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ char *psz_output;
+ int i_count;
+
+ if( asprintf( &psz_output, "std{access=file,mux='%s',dst='%s%s%s'}",
+ psz_muxer, psz_prefix, psz_extension ? "." : "", psz_extension ? psz_extension : "" ) < 0 )
+ return -1;
+
+ /* Create the output */
+ msg_Dbg( p_stream, "Using record output `%s'", psz_output );
+ p_sys->p_out = sout_StreamNew( p_stream->p_sout, psz_output );
+
+ free( psz_output );
+
+ if( !p_sys->p_out )
+ return -1;
+
+ /* Add es */
+ i_count = 0;
+ for( int i = 0; i < p_sys->i_id; i++ )
+ {
+ sout_stream_id_t *id = p_sys->id[i];
+
+ id->id = sout_StreamIdAdd( p_sys->p_out, &id->fmt );
+ if( id->id )
+ i_count++;
+ }
+
+ return i_count;
+}
+
+static void OutputStart( sout_stream_t *p_stream )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /* */
+ if( p_sys->b_drop )
+ return;
+
+ /* From now on drop packet that cannot be handled */
+ p_sys->b_drop = true;
+
+ /* Detect streams to smart select muxer */
+ const char *psz_muxer = NULL;
+ const char *psz_extension = NULL;
+
+ /* Look for prefered muxer
+ * TODO we could insert transcode in a few cases like
+ * s16l <-> s16b
+ */
+ for( int i = 0; p_muxers[i].psz_muxer != NULL; i++ )
+ {
+ bool b_ok;
+ if( p_sys->i_id > p_muxers[i].i_es_max )
+ continue;
+
+ b_ok = true;
+ for( int j = 0; j < p_sys->i_id; j++ )
+ {
+ es_format_t *p_fmt = &p_sys->id[j]->fmt;
+
+ b_ok = false;
+ for( int k = 0; p_muxers[i].codec[k] != 0; k++ )
+ {
+ if( p_fmt->i_codec == p_muxers[i].codec[k] )
+ {
+ b_ok = true;
+ break;
+ }
+ }
+ if( !b_ok )
+ break;
+ }
+ if( !b_ok )
+ continue;
+
+ psz_muxer = p_muxers[i].psz_muxer;
+ psz_extension = p_muxers[i].psz_extension;
+ break;
+ }
+
+ /* If failed, brute force our demuxers and select the one that
+ * keeps most of our stream */
+ if( !psz_muxer || !psz_extension )
+ {
+ static const char *ppsz_muxers[][2] = {
+ { "avi", "avi" }, { "mp4", "mp4" }, { "ogg", "ogg" },
+ { "asf", "asf" }, { "ts", "ts" }, { "ps", "ps" },
+#if 0
+ // XXX ffmpeg sefault really easily if you try an unsupported codec
+ // mov and avi at least segfault
+ { "ffmpeg{mux=avi}", "avi" },
+ { "ffmpeg{mux=mov}", "mov" },
+ { "ffmpeg{mux=mp4}", "mp4" },
+ { "ffmpeg{mux=nsv}", "nsv" },
+ { "ffmpeg{mux=flv}", "flv" },
+#endif
+ { NULL, NULL }
+ };
+ int i_best = 0;
+ int i_best_es = 0;
+
+ msg_Warn( p_stream, "failed to find an adequate muxer, probing muxers" );
+ for( int i = 0; ppsz_muxers[i][0] != NULL; i++ )
+ {
+ char *psz_file;
+ int i_es;
+
+ psz_file = tempnam( NULL, "vlc" );
+ if( !psz_file )
+ continue;
+
+ msg_Dbg( p_stream, "probing muxer %s", ppsz_muxers[i][0] );
+ i_es = OutputNew( p_stream, ppsz_muxers[i][0], psz_file, NULL );
+
+ if( i_es < 0 )
+ {
+ utf8_unlink( psz_file );
+ free( psz_file );
+ continue;
+ }
+
+ /* */
+ for( int i = 0; i < p_sys->i_id; i++ )
+ {
+ sout_stream_id_t *id = p_sys->id[i];
+
+ if( id->id )
+ sout_StreamIdDel( p_sys->p_out, id->id );
+ id->id = NULL;
+ }
+ if( p_sys->p_out )
+ sout_StreamDelete( p_sys->p_out );
+ p_sys->p_out = NULL;
+
+ if( i_es > i_best_es )
+ {
+ i_best_es = i_es;
+ i_best = i;
+
+ if( i_best_es >= p_sys->i_id )
+ break;
+ }
+ utf8_unlink( psz_file );
+ free( psz_file );
+ }
+
+ /* */
+ psz_muxer = ppsz_muxers[i_best][0];
+ psz_extension = ppsz_muxers[i_best][1];
+ msg_Dbg( p_stream, "using muxer %s with extension %s (%d/%d streams accepted)",
+ psz_muxer, psz_extension, i_best_es, p_sys->i_id );
+ }
+
+ /* Create the output */
+ if( OutputNew( p_stream, psz_muxer, p_sys->psz_prefix, psz_extension ) < 0 )
+ {
+ msg_Err( p_stream, "failed to open output");
+ return;
+ }
+
+ /* Compute highest timestamp of first I over all streams */
+ p_sys->i_dts_start = 0;
+ for( int i = 0; i < p_sys->i_id; i++ )
+ {
+ sout_stream_id_t *id = p_sys->id[i];
+ block_t *p_block;
+
+ if( !id->id || !id->p_first )
+ continue;
+
+ mtime_t i_dts = id->p_first->i_dts;
+ for( p_block = id->p_first; p_block != NULL; p_block = p_block->p_next )
+ {
+ if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
+ {
+ i_dts = p_block->i_dts;
+ break;
+ }
+ }
+
+ if( i_dts > p_sys->i_dts_start )
+ p_sys->i_dts_start = i_dts;
+ }
+
+ /* Send buffered data */
+ for( int i = 0; i < p_sys->i_id; i++ )
+ {
+ sout_stream_id_t *id = p_sys->id[i];
+
+ if( !id->id )
+ continue;
+
+ block_t *p_block = id->p_first;
+ while( p_block )
+ {
+ block_t *p_next = p_block->p_next;
+
+ p_block->p_next = NULL;
+
+ OutputSend( p_stream, id, p_block );
+
+ p_block = p_next;
+ }
+
+ id->p_first = NULL;
+ id->pp_last = &id->p_first;
+ }
+}
+
+static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t *p_block )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( id->id )
+ {
+ /* We wait until the first key frame (if needed) and
+ * to be beyong i_dts_start (for stream without key frame) */
+ if( id->b_wait_key )
+ {
+ if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
+ {
+ id->b_wait_key = false;
+ id->b_wait_start = false;
+ }
+
+ if( ( p_block->i_flags & (BLOCK_FLAG_TYPE_I|BLOCK_FLAG_TYPE_P|BLOCK_FLAG_TYPE_B|BLOCK_FLAG_TYPE_PB) ) == 0 )
+ id->b_wait_key = false;
+ }
+ if( id->b_wait_start )
+ {
+ if( p_block->i_dts >=p_sys->i_dts_start )
+ id->b_wait_start = false;
+ }
+ if( id->b_wait_key || id->b_wait_start )
+ block_ChainRelease( p_block );
+ else
+ sout_StreamIdSend( p_sys->p_out, id->id, p_block );
+ }
+ else if( p_sys->b_drop )
+ {
+ block_ChainRelease( p_block );
+ }
+ else
+ {
+ size_t i_size;
+
+ block_ChainProperties( p_block, NULL, &i_size, NULL );
+ p_sys->i_size += i_size;
+ block_ChainLastAppend( &id->pp_last, p_block );
+ }
+}
+
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