X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fstream_out%2Ftranscode.c;h=e4fd880ae7c33e2d5d39f59724f7c40b4f2b4d68;hb=b8f9e25f5fcbf534486cc8daa105373d70e5f677;hp=94ff35a2f77c43a8ed1eb83f645905026b3d86c2;hpb=ce1d1aebb57f974234370dd2c8e423fe28b4f1ec;p=vlc diff --git a/modules/stream_out/transcode.c b/modules/stream_out/transcode.c index 94ff35a2f7..e4fd880ae7 100644 --- a/modules/stream_out/transcode.c +++ b/modules/stream_out/transcode.c @@ -1,11 +1,12 @@ /***************************************************************************** * transcode.c: transcoding stream output module ***************************************************************************** - * Copyright (C) 2003-2004 VideoLAN + * Copyright (C) 2003-2004 the VideoLAN team * $Id$ * * Authors: Laurent Aimar * Gildas Bazin + * Jean-Paul Saman * * 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 @@ -27,6 +28,7 @@ *****************************************************************************/ #include #include +#include #include #include @@ -34,7 +36,9 @@ #include #include #include "vlc_filter.h" -#include "osd.h" +#include "vlc_osd.h" + +#define MASTER_SYNC_MAX_DRIFT 100000 /***************************************************************************** * Module descriptor @@ -60,12 +64,25 @@ #define DEINTERLACE_TEXT N_("Deinterlace video") #define DEINTERLACE_LONGTEXT N_( \ "Allows you to deinterlace the video before encoding." ) +#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module") +#define DEINTERLACE_MODULE_LONGTEXT N_( \ + "Specifies the deinterlace module to use." ) #define WIDTH_TEXT N_("Video width") #define WIDTH_LONGTEXT N_( \ "Allows you to specify the output video width." ) #define HEIGHT_TEXT N_("Video height") #define HEIGHT_LONGTEXT N_( \ "Allows you to specify the output video height." ) +#define MAXWIDTH_TEXT N_("Maximum video width") +#define MAXWIDTH_LONGTEXT N_( \ + "Allows you to specify a maximum output video width." ) +#define MAXHEIGHT_TEXT N_("Maximum video height") +#define MAXHEIGHT_LONGTEXT N_( \ + "Allows you to specify a maximum output video height." ) +#define VFILTER_TEXT N_("Video filter") +#define VFILTER_LONGTEXT N_( \ + "Allows you to specify video filters used after the video " \ + "transcoding and subpictures overlaying." ) #define CROPTOP_TEXT N_("Video crop top") #define CROPTOP_LONGTEXT N_( \ @@ -115,15 +132,32 @@ "transcoding. The subpictures produced by the filters will be overlayed " \ "directly onto the video." ) +#define OSD_TEXT N_("OSD menu") +#define OSD_LONGTEXT N_(\ + "Enable streaming of the On Screen Display. It uses the osdmenu subfilter." ) + #define THREADS_TEXT N_("Number of threads") #define THREADS_LONGTEXT N_( \ "Allows you to specify the number of threads used for the transcoding." ) +#define HP_TEXT N_("High priority") +#define HP_LONGTEXT N_( \ + "Runs the optional encoder thread at the OUTPUT priority instead of " \ + "VIDEO." ) #define ASYNC_TEXT N_("Synchronise on audio track") #define ASYNC_LONGTEXT N_( \ "This option will drop/duplicate video frames to synchronise the video " \ "track on the audio track." ) +#define HURRYUP_TEXT N_( "Hurry up" ) +#define HURRYUP_LONGTEXT N_( "Allows you to specify if the transcoder " \ + "should drop frames if your CPU can't keep up with the encoding rate." ) + +static char *ppsz_deinterlace_type[] = +{ + "deinterlace", "ffmpeg-deinterlace" +}; + static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); @@ -148,12 +182,25 @@ vlc_module_begin(); SCALE_LONGTEXT, VLC_FALSE ); add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_FALSE ); + add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT, + HURRYUP_LONGTEXT, VLC_FALSE ); add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT, DEINTERLACE_LONGTEXT, VLC_FALSE ); + add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL, + DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT, + VLC_FALSE ); + change_string_list( ppsz_deinterlace_type, 0, 0 ); add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE ); add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, VLC_TRUE ); + add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT, + MAXWIDTH_LONGTEXT, VLC_TRUE ); + add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT, + MAXHEIGHT_LONGTEXT, VLC_TRUE ); + add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER, + NULL, NULL, + VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE ); add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT, CROPTOP_LONGTEXT, VLC_TRUE ); @@ -189,18 +236,24 @@ vlc_module_begin(); NULL, NULL, SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE ); + set_section( N_("On Screen Display"), NULL ); + add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT, + OSD_LONGTEXT, VLC_FALSE ); + set_section( N_("Miscellaneous"), NULL ); add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT, THREADS_LONGTEXT, VLC_TRUE ); + add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT, + VLC_TRUE ); vlc_module_end(); static const char *ppsz_sout_options[] = { "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright", - "scale", "fps", "width", "height", "deinterlace", "threads", - "aenc", "acodec", "ab", "samplerate", "channels", - "senc", "scodec", "soverlay", "sfilter", - "audio-sync", NULL + "scale", "fps", "width", "height", "vfilter", "deinterlace", + "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab", + "samplerate", "channels", "senc", "scodec", "soverlay", "sfilter", + "osd", "audio-sync", "high-priority", "maxwidth", "maxheight", NULL }; /***************************************************************************** @@ -237,6 +290,11 @@ static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * ); static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *, block_t *, block_t ** ); +static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * ); +static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * ); +static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *, + block_t *, block_t ** ); + static int EncoderThread( struct sout_stream_sys_t * p_sys ); static int pi_channels_maps[6] = @@ -280,10 +338,17 @@ struct sout_stream_sys_t int i_vbitrate; double f_scale; double f_fps; - int i_width; - int i_height; + unsigned int i_width, i_maxwidth; + unsigned int i_height, i_maxheight; vlc_bool_t b_deinterlace; + char *psz_deinterlace; + sout_cfg_t *p_deinterlace_cfg; int i_threads; + vlc_bool_t b_high_priority; + vlc_bool_t b_hurry_up; + char *psz_vfilters[10]; + sout_cfg_t *p_vfilters_cfg[10]; + int i_vfilters; int i_crop_top; int i_crop_bottom; @@ -297,6 +362,14 @@ struct sout_stream_sys_t sout_cfg_t *p_spu_cfg; spu_t *p_spu; + /* OSD Menu */ + sout_stream_id_t *id_osd; /* extension for streaming OSD menus */ + vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */ + char *psz_osdenc; + sout_cfg_t *p_osd_cfg; + vlc_bool_t b_es_osd; /* VLC_TRUE when osd es is registered */ + vlc_bool_t b_sout_osd; + /* Sync */ vlc_bool_t b_master_sync; mtime_t i_master_drift; @@ -305,10 +378,12 @@ struct sout_stream_sys_t struct decoder_owner_sys_t { picture_t *pp_pics[PICTURE_RING_SIZE]; + sout_stream_sys_t *p_sys; }; struct filter_owner_sys_t { picture_t *pp_pics[PICTURE_RING_SIZE]; + sout_stream_sys_t *p_sys; }; /***************************************************************************** @@ -370,6 +445,13 @@ static int Open( vlc_object_t *p_this ) if( p_sys->i_acodec ) { + if( (strncmp( (char *)&p_sys->i_acodec, "mp3", 3) == 0) && + (p_sys->i_channels > 2) ) + { + msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2", + p_sys->i_channels ); + p_sys->i_channels = 2; + } msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s", (char *)&p_sys->i_acodec, p_sys->i_sample_rate, p_sys->i_channels, p_sys->i_abitrate / 1000 ); @@ -408,15 +490,57 @@ static int Open( vlc_object_t *p_this ) var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val ); p_sys->f_fps = val.f_float; + var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val ); + p_sys->b_hurry_up = val.b_bool; + var_Get( p_stream, SOUT_CFG_PREFIX "width", &val ); p_sys->i_width = val.i_int; var_Get( p_stream, SOUT_CFG_PREFIX "height", &val ); p_sys->i_height = val.i_int; + var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val ); + p_sys->i_maxwidth = val.i_int; + + var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val ); + p_sys->i_maxheight = val.i_int; + + var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val ); + p_sys->i_vfilters = 0; + if( val.psz_string && *val.psz_string ) + { + char *psz_parser = val.psz_string; + + while( psz_parser != NULL && *psz_parser != '\0' ) + { + psz_parser = sout_CfgCreate( + &p_sys->psz_vfilters[p_sys->i_vfilters], + &p_sys->p_vfilters_cfg[p_sys->i_vfilters], + psz_parser ); + p_sys->i_vfilters++; + if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++; + } + } + if( val.psz_string ) free( val.psz_string ); + p_sys->psz_vfilters[p_sys->i_vfilters] = NULL; + p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL; + var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val ); p_sys->b_deinterlace = val.b_bool; + var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val ); + p_sys->psz_deinterlace = NULL; + p_sys->p_deinterlace_cfg = NULL; + if( val.psz_string && *val.psz_string ) + { + char *psz_next; + psz_next = sout_CfgCreate( &p_sys->psz_deinterlace, + &p_sys->p_deinterlace_cfg, + val.psz_string ); + if( psz_next ) free( psz_next ); + } + if( val.psz_string ) free( val.psz_string ); + var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val ); p_sys->i_crop_top = val.i_int; var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val ); @@ -428,6 +552,8 @@ static int Open( vlc_object_t *p_this ) var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val ); p_sys->i_threads = val.i_int; + var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val ); + p_sys->b_high_priority = val.b_bool; if( p_sys->i_vcodec ) { @@ -437,7 +563,7 @@ static int Open( vlc_object_t *p_this ) } /* Subpictures transcoding parameters */ - p_sys->p_spu = 0; + p_sys->p_spu = NULL; p_sys->psz_senc = NULL; p_sys->p_spu_cfg = NULL; p_sys->i_scodec = 0; @@ -479,6 +605,45 @@ static int Open( vlc_object_t *p_this ) } if( val.psz_string ) free( val.psz_string ); + /* OSD menu transcoding parameters */ + p_sys->psz_osdenc = NULL; + p_sys->p_osd_cfg = NULL; + p_sys->i_osdcodec = 0; + p_sys->b_es_osd = VLC_FALSE; + + var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val ); + p_sys->b_sout_osd = val.b_bool; + if( p_sys->b_sout_osd ) + { + vlc_value_t osd_val; + char *psz_next; + + psz_next = sout_CfgCreate( &p_sys->psz_osdenc, + &p_sys->p_osd_cfg, strdup( "dvbsub") ); + if( psz_next ) free( psz_next ); + + p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' ); + + msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec ); + + if( !p_sys->p_spu ) + { + osd_val.psz_string = strdup("osdmenu"); + p_sys->p_spu = spu_Create( p_stream ); + var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING ); + var_Set( p_sys->p_spu, "sub-filter", osd_val ); + spu_Init( p_sys->p_spu ); + if( osd_val.psz_string ) free( osd_val.psz_string ); + } + else + { + osd_val.psz_string = strdup("osdmenu"); + var_Set( p_sys->p_spu, "sub-filter", osd_val ); + if( osd_val.psz_string ) free( osd_val.psz_string ); + } + } + + /* Audio settings */ var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val ); p_sys->b_master_sync = val.b_bool; if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE; @@ -529,6 +694,20 @@ static void Close( vlc_object_t * p_this ) } if( p_sys->psz_venc ) free( p_sys->psz_venc ); + while( p_sys->p_deinterlace_cfg != NULL ) + { + sout_cfg_t *p_next = p_sys->p_deinterlace_cfg->p_next; + + if( p_sys->p_deinterlace_cfg->psz_name ) + free( p_sys->p_deinterlace_cfg->psz_name ); + if( p_sys->p_deinterlace_cfg->psz_value ) + free( p_sys->p_deinterlace_cfg->psz_value ); + free( p_sys->p_deinterlace_cfg ); + + p_sys->p_deinterlace_cfg = p_next; + } + if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace ); + while( p_sys->p_spu_cfg != NULL ) { sout_cfg_t *p_next = p_sys->p_spu_cfg->p_next; @@ -544,6 +723,20 @@ static void Close( vlc_object_t * p_this ) if( p_sys->psz_senc ) free( p_sys->psz_senc ); if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu ); + + while( p_sys->p_osd_cfg != NULL ) + { + sout_cfg_t *p_next = p_sys->p_osd_cfg->p_next; + + if( p_sys->p_osd_cfg->psz_name ) + free( p_sys->p_osd_cfg->psz_name ); + if( p_sys->p_osd_cfg->psz_value ) + free( p_sys->p_osd_cfg->psz_value ); + free( p_sys->p_osd_cfg ); + + p_sys->p_osd_cfg = p_next; + } + if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc ); vlc_object_destroy( p_sys ); } @@ -561,6 +754,8 @@ struct sout_stream_id_t /* Filters */ filter_t *pp_filter[10]; int i_filter; + filter_t *pp_vfilter[10]; + int i_vfilter; /* Encoder */ encoder_t *p_encoder; @@ -569,7 +764,6 @@ struct sout_stream_id_t date_t interpolated_pts; }; - 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; @@ -592,9 +786,6 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) vlc_object_attach( id->p_decoder, p_stream ); id->p_decoder->p_module = NULL; id->p_decoder->fmt_in = *p_fmt; - id->p_decoder->fmt_out = *p_fmt; - id->p_decoder->fmt_out.i_extra = 0; - id->p_decoder->fmt_out.p_extra = 0; id->p_decoder->b_pace_control = VLC_TRUE; /* Create encoder object */ @@ -624,11 +815,28 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) id->p_encoder->fmt_out.i_codec = p_sys->i_acodec; id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ? p_sys->i_sample_rate : (int)p_fmt->audio.i_rate; - id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ? - p_sys->i_channels : p_fmt->audio.i_channels; id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate; id->p_encoder->fmt_out.audio.i_bitspersample = p_fmt->audio.i_bitspersample; + id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ? + p_sys->i_channels : p_fmt->audio.i_channels; + /* Sanity check for audio channels */ + id->p_encoder->fmt_out.audio.i_channels = + __MIN( id->p_encoder->fmt_out.audio.i_channels, + id->p_decoder->fmt_in.audio.i_channels ); + id->p_encoder->fmt_out.audio.i_original_channels = + id->p_decoder->fmt_in.audio.i_physical_channels; + if( id->p_decoder->fmt_in.audio.i_channels == + id->p_encoder->fmt_out.audio.i_channels ) + { + id->p_encoder->fmt_out.audio.i_physical_channels = + id->p_decoder->fmt_in.audio.i_physical_channels; + } + else + { + id->p_encoder->fmt_out.audio.i_physical_channels = + pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels]; + } /* Build decoder -> filter -> encoder chain */ if( transcode_audio_new( p_stream, id ) ) @@ -641,7 +849,11 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out ); id->b_transcode = VLC_TRUE; - if( !id->id ) goto error; + if( !id->id ) + { + transcode_audio_close( p_stream, id ); + goto error; + } date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 ); } @@ -672,7 +884,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) if( p_sys->f_fps > 0 ) { id->p_encoder->fmt_out.video.i_frame_rate = - p_sys->f_fps * 1001 + 0.5; + (p_sys->f_fps * 1001) + 0.5; id->p_encoder->fmt_out.video.i_frame_rate_base = 1001; } } @@ -696,7 +908,11 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out ); id->b_transcode = VLC_TRUE; - if( !id->id ) goto error; + if( !id->id ) + { + transcode_spu_close( p_stream, id ); + goto error; + } } else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay ) { @@ -722,6 +938,19 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) if( !id->id ) goto error; } + if( p_sys->b_sout_osd ) + { + /* Create a fake OSD menu elementary stream */ + if( !p_sys->b_es_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) ) + { + if( transcode_osd_new( p_stream, p_sys->id_osd ) ) + { + msg_Err( p_stream, "cannot create osd chain" ); + goto error; + } + p_sys->b_es_osd = VLC_TRUE; + } + } return id; error: @@ -734,6 +963,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt ) if( id->p_encoder ) { vlc_object_detach( id->p_encoder ); + es_format_Clean( &id->p_encoder->fmt_out ); vlc_object_destroy( id->p_encoder ); } @@ -745,6 +975,9 @@ 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->b_es_osd ) + transcode_osd_close( p_stream, p_sys->id_osd ); + if( id->b_transcode ) { switch( id->p_decoder->fmt_in.i_cat ) @@ -772,6 +1005,7 @@ static int Del( sout_stream_t *p_stream, sout_stream_id_t *id ) if( id->p_encoder ) { vlc_object_detach( id->p_encoder ); + es_format_Clean( &id->p_encoder->fmt_out ); vlc_object_destroy( id->p_encoder ); } @@ -784,32 +1018,15 @@ 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; - block_t *p_out; + block_t *p_out = NULL; if( !id->b_transcode && id->id ) { - if( p_sys->b_master_sync && p_sys->i_master_drift ) + /* Transcode OSD menu pictures. */ + if( p_sys->b_es_osd ) { - if( p_buffer->i_dts > 0 ) - { - p_buffer->i_dts -= p_sys->i_master_drift; - if( p_buffer->i_dts < 0 ) - { - block_Release( p_buffer ); - return VLC_EGENERIC; - } - } - if( p_buffer->i_pts > 0 ) - { - p_buffer->i_pts -= p_sys->i_master_drift; - if( p_buffer->i_pts < 0 ) - { - block_Release( p_buffer ); - return VLC_EGENERIC; - } - } + transcode_osd_process( p_stream, id, p_buffer, &p_out ); } - return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer ); } else if( !id->b_transcode ) @@ -841,6 +1058,7 @@ static int Send( sout_stream_t *p_stream, sout_stream_id_t *id, break; default: + p_out = NULL; block_Release( p_buffer ); break; } @@ -895,7 +1113,7 @@ static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream, filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER ); vlc_object_attach( p_filter, p_stream ); - p_filter->pf_audio_buffer_new = __block_New; + p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New; p_filter->fmt_in = *p_fmt_in; p_filter->fmt_out = *p_fmt_out; @@ -929,10 +1147,13 @@ static int transcode_audio_new( sout_stream_t *p_stream, */ /* Initialization of decoder structures */ + id->p_decoder->fmt_out = id->p_decoder->fmt_in; + id->p_decoder->fmt_out.i_extra = 0; + id->p_decoder->fmt_out.p_extra = 0; id->p_decoder->pf_decode_audio = 0; id->p_decoder->pf_aout_buffer_new = audio_new_buffer; id->p_decoder->pf_aout_buffer_del = audio_del_buffer; - //id->p_decoder->p_cfg = p_sys->p_video_cfg; + /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */ id->p_decoder->p_module = module_Need( id->p_decoder, "decoder", "$codec", 0 ); @@ -957,27 +1178,14 @@ static int transcode_audio_new( sout_stream_t *p_stream, id->p_decoder->fmt_out.i_codec ); id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec; - /* Sanity check for audio channels */ - id->p_encoder->fmt_out.audio.i_channels = - __MIN( id->p_encoder->fmt_out.audio.i_channels, - id->p_decoder->fmt_out.audio.i_channels ); - if( id->p_decoder->fmt_out.audio.i_channels == - id->p_encoder->fmt_out.audio.i_channels ) - id->p_encoder->fmt_out.audio.i_physical_channels = - id->p_encoder->fmt_out.audio.i_original_channels = - id->p_decoder->fmt_out.audio.i_physical_channels; - else - id->p_encoder->fmt_out.audio.i_physical_channels = - id->p_encoder->fmt_out.audio.i_original_channels = - pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels]; - /* Initialization of encoder format structures */ es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, AOUT_FMT_S16_NE ); id->p_encoder->fmt_in.audio.i_format = AOUT_FMT_S16_NE; id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate; id->p_encoder->fmt_in.audio.i_physical_channels = - id->p_encoder->fmt_in.audio.i_original_channels = - id->p_encoder->fmt_out.audio.i_physical_channels; + id->p_encoder->fmt_out.audio.i_physical_channels; + id->p_encoder->fmt_in.audio.i_original_channels = + id->p_encoder->fmt_out.audio.i_original_channels; id->p_encoder->fmt_in.audio.i_channels = id->p_encoder->fmt_out.audio.i_channels; id->p_encoder->fmt_in.audio.i_bitspersample = @@ -1031,7 +1239,7 @@ static int transcode_audio_new( sout_stream_t *p_stream, /* Final checks to see if conversions were successful */ if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec ) { - msg_Dbg( p_stream, "no audio filter found (%4.4s->%4.4s)", + msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)", (char *)&fmt_last.i_codec, (char *)&id->p_encoder->fmt_in.i_codec ); transcode_audio_close( p_stream, id ); @@ -1040,10 +1248,11 @@ static int transcode_audio_new( sout_stream_t *p_stream, if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ) { - msg_Dbg( p_stream, "no audio filter found for mixing from" + msg_Err( p_stream, "no audio filter found for mixing from" " %i to %i channels", fmt_last.audio.i_channels, id->p_encoder->fmt_in.audio.i_channels ); - +#if 0 + /* FIXME : this might work, but only if the encoder is restarted */ id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels; id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels; @@ -1053,15 +1262,25 @@ static int transcode_audio_new( sout_stream_t *p_stream, id->p_encoder->fmt_out.audio.i_physical_channels = id->p_encoder->fmt_out.audio.i_original_channels = fmt_last.audio.i_physical_channels; +#else + transcode_audio_close( p_stream, id ); + return VLC_EGENERIC; +#endif } if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate ) { - msg_Dbg( p_stream, "no audio filter found for resampling from" + msg_Err( p_stream, "no audio filter found for resampling from" " %iHz to %iHz", fmt_last.audio.i_rate, id->p_encoder->fmt_in.audio.i_rate ); +#if 0 + /* FIXME : this might work, but only if the encoder is restarted */ id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate; id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate; +#else + transcode_audio_close( p_stream, id ); + return VLC_EGENERIC; +#endif } /* FIXME: Hack for mp3 transcoding support */ @@ -1112,6 +1331,13 @@ static int transcode_audio_process( sout_stream_t *p_stream, if( p_sys->b_master_sync ) { mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1; + if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT + || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT ) + { + msg_Dbg( p_stream, "drift is too high, resetting master sync" ); + date_Set( &id->interpolated_pts, p_audio_buf->start_date ); + i_dts = p_audio_buf->start_date + 1; + } p_sys->i_master_drift = p_audio_buf->start_date - i_dts; date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples ); p_audio_buf->start_date -= p_sys->i_master_drift; @@ -1208,6 +1434,9 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id ) */ /* Initialization of decoder structures */ + id->p_decoder->fmt_out = id->p_decoder->fmt_in; + id->p_decoder->fmt_out.i_extra = 0; + id->p_decoder->fmt_out.p_extra = 0; id->p_decoder->pf_decode_video = 0; id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder; id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder; @@ -1216,7 +1445,8 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id ) id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) ); for( i = 0; i < PICTURE_RING_SIZE; i++ ) id->p_decoder->p_owner->pp_pics[i] = 0; - //id->p_decoder->p_cfg = p_sys->p_video_cfg; + id->p_decoder->p_owner->p_sys = p_sys; + /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */ id->p_decoder->p_module = module_Need( id->p_decoder, "decoder", "$codec", 0 ); @@ -1270,10 +1500,14 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id ) /* Close the encoder. * We'll open it only when we have the first frame. */ module_Unneed( id->p_encoder, id->p_encoder->p_module ); + if( id->p_encoder->fmt_out.p_extra ) + free( id->p_encoder->fmt_out.p_extra ); id->p_encoder->p_module = NULL; if( p_sys->i_threads >= 1 ) { + int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT : + VLC_THREAD_PRIORITY_VIDEO; p_sys->id_video = id; vlc_mutex_init( p_stream, &p_sys->lock_out ); vlc_cond_init( p_stream, &p_sys->cond ); @@ -1282,8 +1516,8 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id ) p_sys->i_last_pic = 0; p_sys->p_buffers = NULL; p_sys->b_die = p_sys->b_error = 0; - if( vlc_thread_create( p_sys, "encoder", EncoderThread, - VLC_THREAD_PRIORITY_VIDEO, VLC_FALSE ) ) + if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority, + VLC_FALSE ) ) { msg_Err( p_stream, "cannot spawn encoder thread" ); module_Unneed( id->p_decoder, id->p_decoder->p_module ); @@ -1292,8 +1526,6 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id ) } } - date_Set( &id->interpolated_pts, 0 ); - return VLC_SUCCESS; } @@ -1330,6 +1562,13 @@ static int transcode_video_encoder_open( sout_stream_t *p_stream, id->p_encoder->fmt_out.video.i_height / (double)i_height * i_width; } + if( p_sys->i_maxwidth + && id->p_encoder->fmt_out.video.i_width > p_sys->i_maxwidth ) + id->p_encoder->fmt_out.video.i_width = p_sys->i_maxwidth; + if( p_sys->i_maxheight + && id->p_encoder->fmt_out.video.i_height > p_sys->i_maxheight ) + id->p_encoder->fmt_out.video.i_height = p_sys->i_maxheight; + /* Make sure the size is at least a multiple of 2 */ id->p_encoder->fmt_out.video.i_width = (id->p_encoder->fmt_out.video.i_width + 1) >> 1 << 1; @@ -1460,6 +1699,23 @@ static void transcode_video_close( sout_stream_t *p_stream, vlc_object_destroy( id->pp_filter[i] ); } + for( i = 0; i < id->i_vfilter; i++ ) + { + vlc_object_detach( id->pp_vfilter[i] ); + if( id->pp_vfilter[i]->p_module ) + module_Unneed( id->pp_vfilter[i], id->pp_vfilter[i]->p_module ); + + /* Clean-up pictures ring buffer */ + for( j = 0; j < PICTURE_RING_SIZE; j++ ) + { + if( id->pp_vfilter[i]->p_owner->pp_pics[j] ) + video_del_buffer( VLC_OBJECT(id->pp_vfilter[i]), + id->pp_vfilter[i]->p_owner->pp_pics[j] ); + } + free( id->pp_vfilter[i]->p_owner ); + + vlc_object_destroy( id->pp_vfilter[i] ); + } } static int transcode_video_process( sout_stream_t *p_stream, @@ -1468,26 +1724,39 @@ static int transcode_video_process( sout_stream_t *p_stream, { sout_stream_sys_t *p_sys = p_stream->p_sys; int i_duplicate = 1, i; - picture_t *p_pic; + picture_t *p_pic, *p_pic2 = NULL; *out = NULL; while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) ) { subpicture_t *p_subpic = 0; + if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up ) + { + mtime_t current_date = mdate(); + if( current_date + 50000 > p_pic->date ) + { + msg_Dbg( p_stream, "late picture skipped ("I64Fd")", + current_date + 50000 - p_pic->date ); + p_pic->pf_release( p_pic ); + continue; + } + } + if( p_sys->b_master_sync ) { mtime_t i_video_drift; mtime_t i_master_drift = p_sys->i_master_drift; mtime_t i_pts; - if( !i_master_drift ) + i_pts = date_Get( &id->interpolated_pts ) + 1; + if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT + || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT ) { - /* No audio track ? */ - p_sys->i_master_drift = i_master_drift = p_pic->date; + msg_Dbg( p_stream, "drift is too high, resetting master sync" ); + date_Set( &id->interpolated_pts, p_pic->date ); + i_pts = p_pic->date + 1; } - - i_pts = date_Get( &id->interpolated_pts ) + 1; i_video_drift = p_pic->date - i_pts; i_duplicate = 1; @@ -1501,7 +1770,7 @@ static int transcode_video_process( sout_stream_t *p_stream, (int)(i_video_drift - i_master_drift) ); #endif p_pic->pf_release( p_pic ); - return VLC_EGENERIC; + continue; } else if( i_video_drift > i_master_drift + 50000 ) { @@ -1537,15 +1806,17 @@ static int transcode_video_process( sout_stream_t *p_stream, id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out; id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out; + id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg; id->pp_filter[id->i_filter]->p_module = module_Need( id->pp_filter[id->i_filter], - "video filter2", "deinterlace", 0 ); + "video filter2", p_sys->psz_deinterlace, 0 ); if( id->pp_filter[id->i_filter]->p_module ) { id->pp_filter[id->i_filter]->p_owner = malloc( sizeof(filter_owner_sys_t) ); for( i = 0; i < PICTURE_RING_SIZE; i++ ) id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0; + id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys; id->i_filter++; } @@ -1578,6 +1849,7 @@ static int transcode_video_process( sout_stream_t *p_stream, id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out; id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in; + id->pp_filter[id->i_filter]->p_cfg = NULL; id->pp_filter[id->i_filter]->p_module = module_Need( id->pp_filter[id->i_filter], "video filter2", 0, 0 ); @@ -1587,6 +1859,7 @@ static int transcode_video_process( sout_stream_t *p_stream, malloc( sizeof(filter_owner_sys_t) ); for( i = 0; i < PICTURE_RING_SIZE; i++ ) id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0; + id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys; id->i_filter++; } @@ -1602,6 +1875,41 @@ static int transcode_video_process( sout_stream_t *p_stream, return VLC_EGENERIC; } } + + for( i = 0; i < p_sys->i_vfilters; i++ ) + { + id->pp_vfilter[id->i_vfilter] = + vlc_object_create( p_stream, VLC_OBJECT_FILTER ); + vlc_object_attach( id->pp_vfilter[id->i_vfilter], p_stream ); + + id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_new = + video_new_buffer_filter; + id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_del = + video_del_buffer_filter; + + id->pp_vfilter[id->i_vfilter]->fmt_in = id->p_encoder->fmt_in; + id->pp_vfilter[id->i_vfilter]->fmt_out = id->p_encoder->fmt_in; + id->pp_vfilter[id->i_vfilter]->p_cfg = p_sys->p_vfilters_cfg[i]; + id->pp_vfilter[id->i_vfilter]->p_module = + module_Need( id->pp_vfilter[id->i_vfilter], + "video filter2", p_sys->psz_vfilters[i], 0 ); + if( id->pp_vfilter[id->i_vfilter]->p_module ) + { + id->pp_vfilter[id->i_vfilter]->p_owner = + malloc( sizeof(filter_owner_sys_t) ); + for( i = 0; i < PICTURE_RING_SIZE; i++ ) + id->pp_vfilter[id->i_vfilter]->p_owner->pp_pics[i] = 0; + id->pp_vfilter[id->i_vfilter]->p_owner->p_sys = p_sys; + + id->i_vfilter++; + } + else + { + msg_Dbg( p_stream, "no video filter found" ); + vlc_object_detach( id->pp_vfilter[id->i_vfilter] ); + vlc_object_destroy( id->pp_vfilter[id->i_vfilter] ); + } + } } /* Run filter chain */ @@ -1658,36 +1966,83 @@ static int transcode_video_process( sout_stream_t *p_stream, i_scale_width, i_scale_height ); } - if( p_sys->i_threads >= 1 ) + /* Run vfilter chain */ + for( i = 0; i < id->i_vfilter; i++ ) { - vlc_mutex_lock( &p_sys->lock_out ); - p_sys->pp_pics[p_sys->i_last_pic++] = p_pic; - p_sys->i_last_pic %= PICTURE_RING_SIZE; - *out = p_sys->p_buffers; - p_sys->p_buffers = NULL; - vlc_cond_signal( &p_sys->cond ); - vlc_mutex_unlock( &p_sys->lock_out ); + p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic); } - else + + if( p_sys->i_threads == 0 ) { block_t *p_block; p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic ); block_ChainAppend( out, p_block ); + } - if( p_sys->b_master_sync ) - date_Increment( &id->interpolated_pts, 1 ); + if( p_sys->b_master_sync ) + { + mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1; + if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT + || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT ) + { + msg_Dbg( p_stream, "drift is too high, resetting master sync" ); + date_Set( &id->interpolated_pts, p_pic->date ); + i_pts = p_pic->date + 1; + } + date_Increment( &id->interpolated_pts, 1 ); + } - if( p_sys->b_master_sync && i_duplicate > 1 ) + if( p_sys->b_master_sync && i_duplicate > 1 ) + { + mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1; + if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT + || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT ) + { + msg_Dbg( p_stream, "drift is too high, resetting master sync" ); + date_Set( &id->interpolated_pts, p_pic->date ); + i_pts = p_pic->date + 1; + } + date_Increment( &id->interpolated_pts, 1 ); + + if( p_sys->i_threads >= 1 ) + { + /* We can't modify the picture, we need to duplicate it */ + p_pic2 = video_new_buffer_decoder( id->p_decoder ); + if( p_pic2 != NULL ) + { + vout_CopyPicture( p_stream, p_pic2, p_pic ); + p_pic2->date = i_pts; + } + } + else { - mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1; - date_Increment( &id->interpolated_pts, 1 ); + block_t *p_block; p_pic->date = i_pts; p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic); block_ChainAppend( out, p_block ); } + } + if( p_sys->i_threads == 0 ) + { p_pic->pf_release( p_pic ); } + else + { + vlc_mutex_lock( &p_sys->lock_out ); + p_sys->pp_pics[p_sys->i_last_pic++] = p_pic; + p_sys->i_last_pic %= PICTURE_RING_SIZE; + *out = p_sys->p_buffers; + p_sys->p_buffers = NULL; + if( p_pic2 != NULL ) + { + p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2; + p_sys->i_last_pic %= PICTURE_RING_SIZE; + } + vlc_cond_signal( &p_sys->cond ); + vlc_mutex_unlock( &p_sys->lock_out ); + } + } return VLC_SUCCESS; @@ -1722,19 +2077,6 @@ static int EncoderThread( sout_stream_sys_t *p_sys ) vlc_mutex_lock( &p_sys->lock_out ); block_ChainAppend( &p_sys->p_buffers, p_block ); - if( p_sys->b_master_sync ) - date_Increment( &id->interpolated_pts, 1 ); - -#if 0 - if( p_sys->b_master_sync && i_duplicate > 1 ) - { - mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1; - date_Increment( &id->interpolated_pts, 1 ); - p_pic->date = i_pts; - p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic); - block_ChainAppend( &p_sys->p_buffers, p_block ); - } -#endif vlc_mutex_unlock( &p_sys->lock_out ); p_pic->pf_release( p_pic ); @@ -1767,7 +2109,8 @@ static void video_release_buffer( picture_t *p_pic ) else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--; } -static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring ) +static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring, + sout_stream_sys_t *p_sys ) { decoder_t *p_dec = (decoder_t *)p_this; picture_t *p_pic; @@ -1787,6 +2130,32 @@ static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring ) if( pp_ring[i] == 0 ) break; } + if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 ) + { + int i_first_pic = p_sys->i_first_pic; + + if( p_sys->i_first_pic != p_sys->i_last_pic ) + { + /* Encoder still has stuff to encode, wait to clear-up the list */ + while( p_sys->i_first_pic == i_first_pic ) + msleep( 100000 ); + } + + /* Find an empty space in the picture ring buffer */ + for( i = 0; i < PICTURE_RING_SIZE; i++ ) + { + if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE ) + { + pp_ring[i]->i_status = RESERVED_PICTURE; + return pp_ring[i]; + } + } + for( i = 0; i < PICTURE_RING_SIZE; i++ ) + { + if( pp_ring[i] == 0 ) break; + } + } + if( i == PICTURE_RING_SIZE ) { msg_Err( p_this, "decoder/filter is leaking pictures, " @@ -1827,13 +2196,14 @@ static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring ) static picture_t *video_new_buffer_decoder( decoder_t *p_dec ) { return video_new_buffer( VLC_OBJECT(p_dec), - p_dec->p_owner->pp_pics ); + p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys ); } static picture_t *video_new_buffer_filter( filter_t *p_filter ) { return video_new_buffer( VLC_OBJECT(p_filter), - p_filter->p_owner->pp_pics ); + p_filter->p_owner->pp_pics, + p_filter->p_owner->p_sys ); } static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic ) @@ -1883,7 +2253,7 @@ static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id ) id->p_decoder->pf_spu_buffer_new = spu_new_buffer; id->p_decoder->pf_spu_buffer_del = spu_del_buffer; id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream; - //id->p_decoder->p_cfg = p_sys->p_spu_cfg; + /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */ id->p_decoder->p_module = module_Need( id->p_decoder, "decoder", "$codec", 0 ); @@ -1986,3 +2356,186 @@ static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic ) sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner; spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic ); } + +/* + * OSD menu + */ +static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id ) +{ + sout_stream_sys_t *p_sys = p_stream->p_sys; + es_format_t fmt; + + fmt.i_cat = SPU_ES; + fmt.i_id = 0xbd1f; /* pid ?? */ + fmt.i_group = 3; /* pmt entry ?? */ + fmt.i_codec = VLC_FOURCC( 'Y', 'U', 'V', 'A' ); + fmt.psz_language = strdup( "osd" ); + + id = malloc( sizeof( sout_stream_id_t ) ); + memset( id, 0, sizeof(sout_stream_id_t) ); + + id->id = NULL; + id->p_decoder = NULL; + id->p_encoder = NULL; + + /* Create encoder object */ + id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER ); + if( !id->p_encoder ) + { + msg_Err( p_stream, "out of memory" ); + goto error; + } + vlc_object_attach( id->p_encoder, p_stream ); + id->p_encoder->p_module = NULL; + + /* Create fake destination format */ + es_format_Init( &id->p_encoder->fmt_out, fmt.i_cat, 0 ); + id->p_encoder->fmt_out.i_id = fmt.i_id; + id->p_encoder->fmt_out.i_group = fmt.i_group; + id->p_encoder->fmt_out.psz_language = strdup( fmt.psz_language ); + + if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc ) + { + msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' " + "to fcc=`%4.4s'", (char*)&fmt.i_codec, + (char*)&p_sys->i_osdcodec ); + + /* Complete destination format */ + id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec; + + /* + * Open encoder + */ + + /* Initialization of encoder format structures */ + es_format_Init( &id->p_encoder->fmt_in, fmt.i_cat, fmt.i_codec ); + id->p_encoder->fmt_in.psz_language = strdup( fmt.psz_language ); + + id->p_encoder->p_cfg = p_sys->p_osd_cfg; + + id->p_encoder->p_module = + module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE ); + + if( !id->p_encoder->p_module ) + { + msg_Err( p_stream, "cannot find encoder" ); + goto error; + } + + /* open output stream */ + id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out ); + id->b_transcode = VLC_TRUE; + + if( !id->id ) goto error; + } + else + { + msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')", + (char*)&fmt.i_codec ); + id->id = p_sys->p_out->pf_add( p_sys->p_out, &fmt ); + id->b_transcode = VLC_FALSE; + + if( !id->id ) goto error; + } + + p_sys->id_osd = id; + p_sys->b_es_osd = VLC_TRUE; + + if( !p_sys->p_spu ) + { + p_sys->p_spu = spu_Create( p_stream ); + if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS ) + msg_Err( p_sys, "spu initialisation failed" ); + } + + if( fmt.psz_language ) + free( fmt.psz_language ); + + return VLC_SUCCESS; + + error: + msg_Err( p_stream, "starting osd encoding thread failed" ); + if( id->p_encoder->p_module ) + module_Unneed( id->p_encoder, id->p_encoder->p_module ); + if( id->p_encoder ) + { + vlc_object_detach( id->p_encoder ); + vlc_object_destroy( id->p_encoder ); + } + if( fmt.psz_language ) free( fmt.psz_language ); + if( id ) free( id ); + p_sys->id_osd = NULL; + p_sys->b_es_osd = VLC_FALSE; + return VLC_EGENERIC; +} + +static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id) +{ + sout_stream_sys_t *p_sys = p_stream->p_sys; + + /* Close encoder */ + if( p_sys->b_es_osd && id ) + { + if( id->p_encoder->p_module ) + module_Unneed( id->p_encoder, id->p_encoder->p_module ); + + if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id ); + + if( id->p_encoder ) + { + vlc_object_detach( id->p_encoder ); + vlc_object_destroy( id->p_encoder ); + } + } + p_sys->b_es_osd = VLC_FALSE; + if( id ) free( id ); +} + +static int transcode_osd_process( sout_stream_t *p_stream, + sout_stream_id_t *id, + block_t *in, block_t **out ) +{ + sout_stream_sys_t *p_sys = p_stream->p_sys; + subpicture_t *p_subpic = NULL; + + /* Check if we have a subpicture to send */ + if( p_sys->p_spu && in->i_dts > 0) + { + p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts ); + } + else + { + msg_Warn( p_stream, "spu channel not initialized, doing it now" ); + if( !p_sys->p_spu ) + { + p_sys->p_spu = spu_Create( p_stream ); + if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS ) + msg_Err( p_stream, "spu initialisation failed" ); + } + } + + if( p_subpic ) + { + block_t *p_block = NULL; + + if( p_sys->b_master_sync && p_sys->i_master_drift ) + { + p_subpic->i_start -= p_sys->i_master_drift; + if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift; + } + + p_block = p_sys->id_osd->p_encoder->pf_encode_sub( p_sys->id_osd->p_encoder, p_subpic ); + if( p_block ) + { + p_block->i_dts = p_block->i_pts = in->i_dts; + block_ChainAppend( out, p_block ); + if( *out ) + { + if( p_sys->p_out->pf_send( p_sys->p_out, p_sys->id_osd->id, *out ) == VLC_SUCCESS ) + spu_DestroySubpicture( p_sys->p_spu, p_subpic ); + } + return VLC_SUCCESS; + } + } + return VLC_EGENERIC; +}