mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-07 03:56:28 +02:00
2837 lines
97 KiB
C
2837 lines
97 KiB
C
/*****************************************************************************
|
|
* transcode.c: transcoding stream output module
|
|
*****************************************************************************
|
|
* Copyright (C) 2003-2004 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
|
|
* Gildas Bazin <gbazin@videolan.org>
|
|
* Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
|
|
*
|
|
* 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
|
|
*****************************************************************************/
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#include <vlc/vlc.h>
|
|
#include <vlc/input.h>
|
|
#include <vlc/sout.h>
|
|
#include <vlc/vout.h>
|
|
#include <vlc/decoder.h>
|
|
#include "vlc_filter.h"
|
|
#include "vlc_osd.h"
|
|
|
|
#define MASTER_SYNC_MAX_DRIFT 100000
|
|
|
|
/*****************************************************************************
|
|
* Module descriptor
|
|
*****************************************************************************/
|
|
#define VENC_TEXT N_("Video encoder")
|
|
#define VENC_LONGTEXT N_( \
|
|
"This is the video encoder module that will be used (and its associated "\
|
|
"options).")
|
|
#define VCODEC_TEXT N_("Destination video codec")
|
|
#define VCODEC_LONGTEXT N_( \
|
|
"This is the video codec that will be used.")
|
|
#define VB_TEXT N_("Video bitrate")
|
|
#define VB_LONGTEXT N_( \
|
|
"Target bitrate of the transcoded video stream." )
|
|
#define SCALE_TEXT N_("Video scaling")
|
|
#define SCALE_LONGTEXT N_( \
|
|
"Scale factor to apply to the video while transcoding (eg: 0.25)")
|
|
#define FPS_TEXT N_("Video frame-rate")
|
|
#define FPS_LONGTEXT N_( \
|
|
"Target output frame rate for the video stream." )
|
|
#define DEINTERLACE_TEXT N_("Deinterlace video")
|
|
#define DEINTERLACE_LONGTEXT N_( \
|
|
"Deinterlace the video before encoding." )
|
|
#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
|
|
#define DEINTERLACE_MODULE_LONGTEXT N_( \
|
|
"Specify the deinterlace module to use." )
|
|
#define WIDTH_TEXT N_("Video width")
|
|
#define WIDTH_LONGTEXT N_( \
|
|
"Output video width." )
|
|
#define HEIGHT_TEXT N_("Video height")
|
|
#define HEIGHT_LONGTEXT N_( \
|
|
"Output video height." )
|
|
#define MAXWIDTH_TEXT N_("Maximum video width")
|
|
#define MAXWIDTH_LONGTEXT N_( \
|
|
"Maximum output video width." )
|
|
#define MAXHEIGHT_TEXT N_("Maximum video height")
|
|
#define MAXHEIGHT_LONGTEXT N_( \
|
|
"Maximum output video height." )
|
|
#define VFILTER_TEXT N_("Video filter")
|
|
#define VFILTER_LONGTEXT N_( \
|
|
"Video filters will be applied to the video streams (after overlays " \
|
|
"are applied). You must enter a comma-separated list of filters." )
|
|
|
|
#define CROPTOP_TEXT N_("Video crop (top)")
|
|
#define CROPTOP_LONGTEXT N_( \
|
|
"Number of pixels to crop at the top of the video." )
|
|
#define CROPLEFT_TEXT N_("Video crop (left)")
|
|
#define CROPLEFT_LONGTEXT N_( \
|
|
"Number of pixels to crop at the left of the video." )
|
|
#define CROPBOTTOM_TEXT N_("Video crop (bottom)")
|
|
#define CROPBOTTOM_LONGTEXT N_( \
|
|
"Number of pixels to crop at the bottom of the video." )
|
|
#define CROPRIGHT_TEXT N_("Video crop (right)")
|
|
#define CROPRIGHT_LONGTEXT N_( \
|
|
"Number of pixels to crop at the right of the video." )
|
|
|
|
#define PADDTOP_TEXT N_("Video padding (top)")
|
|
#define PADDTOP_LONGTEXT N_( \
|
|
"Size of the black border to add at the top of the video." )
|
|
#define PADDLEFT_TEXT N_("Video padding (left)")
|
|
#define PADDLEFT_LONGTEXT N_( \
|
|
"Size of the black border to add at the left of the video." )
|
|
#define PADDBOTTOM_TEXT N_("Video padding (bottom)")
|
|
#define PADDBOTTOM_LONGTEXT N_( \
|
|
"Size of the black border to add at the bottom of the video." )
|
|
#define PADDRIGHT_TEXT N_("Video padding (right)")
|
|
#define PADDRIGHT_LONGTEXT N_( \
|
|
"Size of the black border to add at the right of the video." )
|
|
|
|
#define CANVAS_WIDTH_TEXT N_("Video canvas width")
|
|
#define CANVAS_WIDTH_LONGTEXT N_( \
|
|
"This will automatically crod and pad the video to a specified width." )
|
|
#define CANVAS_HEIGHT_TEXT N_("Video canvas height")
|
|
#define CANVAS_HEIGHT_LONGTEXT N_( \
|
|
"This will automatically crod and pad the video to a specified height." )
|
|
#define CANVAS_ASPECT_TEXT N_("Video canvas aspect ratio")
|
|
#define CANVAS_ASPECT_LONGTEXT N_( \
|
|
"This sets aspect (like 4:3) of the video canvas and letterbox the video "\
|
|
"accordingly." )
|
|
|
|
#define AENC_TEXT N_("Audio encoder")
|
|
#define AENC_LONGTEXT N_( \
|
|
"This is the audio encoder module that will be used (and its associated "\
|
|
"options).")
|
|
#define ACODEC_TEXT N_("Destination audio codec")
|
|
#define ACODEC_LONGTEXT N_( \
|
|
"This is the audio codec that will be used.")
|
|
#define AB_TEXT N_("Audio bitrate")
|
|
#define AB_LONGTEXT N_( \
|
|
"Target bitrate of the transcoded audio stream." )
|
|
#define ARATE_TEXT N_("Audio sample rate")
|
|
#define ARATE_LONGTEXT N_( \
|
|
"Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
|
|
#define ACHANS_TEXT N_("Audio channels")
|
|
#define ACHANS_LONGTEXT N_( \
|
|
"Number of audio channels in the transcoded streams." )
|
|
|
|
#define SENC_TEXT N_("Subtitles encoder")
|
|
#define SENC_LONGTEXT N_( \
|
|
"This is the subtitles encoder module that will be used (and its " \
|
|
"associated options)." )
|
|
#define SCODEC_TEXT N_("Destination subtitles codec")
|
|
#define SCODEC_LONGTEXT N_( \
|
|
"This is the subtitles coded that will be used." )
|
|
|
|
#define SFILTER_TEXT N_("Overlays")
|
|
#define SFILTER_LONGTEXT N_( \
|
|
"This allows you to add overlays (also known as \"subpictures\" on the "\
|
|
"transcoded video stream. The subpictures produced by the filters will "\
|
|
"be overlayed directly onto the video. You must specify a comma-separated "\
|
|
"list of subpicture modules" )
|
|
|
|
#define OSD_TEXT N_("OSD menu")
|
|
#define OSD_LONGTEXT N_(\
|
|
"Stream the On Screen Display menu (using the osdmenu subpicture module)." )
|
|
|
|
#define THREADS_TEXT N_("Number of threads")
|
|
#define THREADS_LONGTEXT N_( \
|
|
"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_( "The transcoder will 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 * );
|
|
|
|
#define SOUT_CFG_PREFIX "sout-transcode-"
|
|
|
|
vlc_module_begin();
|
|
set_shortname( _("Transcode"));
|
|
set_description( _("Transcode stream output") );
|
|
set_capability( "sout stream", 50 );
|
|
add_shortcut( "transcode" );
|
|
set_callbacks( Open, Close );
|
|
set_category( CAT_SOUT );
|
|
set_subcategory( SUBCAT_SOUT_STREAM );
|
|
set_section( N_("Video"), NULL );
|
|
add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
|
|
VENC_LONGTEXT, VLC_FALSE );
|
|
add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
|
|
VCODEC_LONGTEXT, VLC_FALSE );
|
|
add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
|
|
VB_LONGTEXT, VLC_FALSE );
|
|
add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
|
|
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 );
|
|
add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
|
|
CROPLEFT_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
|
|
CROPBOTTOM_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
|
|
CROPRIGHT_LONGTEXT, VLC_TRUE );
|
|
|
|
add_integer( SOUT_CFG_PREFIX "paddtop", 0, NULL, PADDTOP_TEXT,
|
|
PADDTOP_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "paddleft", 0, NULL, PADDLEFT_TEXT,
|
|
PADDLEFT_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "paddbottom", 0, NULL, PADDBOTTOM_TEXT,
|
|
PADDBOTTOM_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "paddright", 0, NULL, PADDRIGHT_TEXT,
|
|
PADDRIGHT_LONGTEXT, VLC_TRUE );
|
|
|
|
add_integer( SOUT_CFG_PREFIX "canvas-width", 0, NULL, CANVAS_WIDTH_TEXT,
|
|
CANVAS_WIDTH_LONGTEXT, VLC_TRUE );
|
|
add_integer( SOUT_CFG_PREFIX "canvas-height", 0, NULL, CANVAS_HEIGHT_TEXT,
|
|
CANVAS_HEIGHT_LONGTEXT, VLC_TRUE );
|
|
add_string( SOUT_CFG_PREFIX "canvas-aspect", NULL, NULL, CANVAS_ASPECT_TEXT,
|
|
CANVAS_ASPECT_LONGTEXT, VLC_FALSE );
|
|
|
|
set_section( N_("Audio"), NULL );
|
|
add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
|
|
AENC_LONGTEXT, VLC_FALSE );
|
|
add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
|
|
ACODEC_LONGTEXT, VLC_FALSE );
|
|
add_integer( SOUT_CFG_PREFIX "ab", 64000, NULL, AB_TEXT,
|
|
AB_LONGTEXT, VLC_FALSE );
|
|
add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
|
|
ACHANS_LONGTEXT, VLC_FALSE );
|
|
add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
|
|
ARATE_LONGTEXT, VLC_TRUE );
|
|
add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
|
|
ASYNC_LONGTEXT, VLC_FALSE );
|
|
|
|
set_section( N_("Overlays/Subtitles"), NULL );
|
|
add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
|
|
SENC_LONGTEXT, VLC_FALSE );
|
|
add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
|
|
SCODEC_LONGTEXT, VLC_FALSE );
|
|
add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
|
|
SCODEC_LONGTEXT, VLC_FALSE );
|
|
add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
|
|
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",
|
|
"paddtop", "paddbottom", "paddleft", "paddright",
|
|
"canvas-width", "canvas-height", "canvas-aspect",
|
|
"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
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* Exported prototypes
|
|
*****************************************************************************/
|
|
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* );
|
|
|
|
static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
|
|
static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
|
|
static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
|
|
block_t *, block_t ** );
|
|
|
|
static aout_buffer_t *audio_new_buffer( decoder_t *, int );
|
|
static void audio_del_buffer( decoder_t *, aout_buffer_t * );
|
|
|
|
static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
|
|
static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
|
|
static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
|
|
static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
|
|
block_t *, block_t ** );
|
|
|
|
static void video_del_buffer( vlc_object_t *, picture_t * );
|
|
static picture_t *video_new_buffer_decoder( decoder_t * );
|
|
static void video_del_buffer_decoder( decoder_t *, picture_t * );
|
|
static void video_link_picture_decoder( decoder_t *, picture_t * );
|
|
static void video_unlink_picture_decoder( decoder_t *, picture_t * );
|
|
static picture_t *video_new_buffer_filter( filter_t * );
|
|
static void video_del_buffer_filter( filter_t *, picture_t * );
|
|
|
|
static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
|
|
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] =
|
|
{
|
|
0,
|
|
AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
|
|
AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
|
|
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
|
|
| AOUT_CHAN_REARRIGHT,
|
|
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
|
|
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
|
|
};
|
|
|
|
#define PICTURE_RING_SIZE 64
|
|
#define SUBPICTURE_RING_SIZE 20
|
|
|
|
struct sout_stream_sys_t
|
|
{
|
|
VLC_COMMON_MEMBERS
|
|
|
|
sout_stream_t *p_out;
|
|
sout_stream_id_t *id_video;
|
|
block_t *p_buffers;
|
|
vlc_mutex_t lock_out;
|
|
vlc_cond_t cond;
|
|
picture_t * pp_pics[PICTURE_RING_SIZE];
|
|
int i_first_pic, i_last_pic;
|
|
|
|
/* Audio */
|
|
vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
|
|
char *psz_aenc;
|
|
sout_cfg_t *p_audio_cfg;
|
|
int i_sample_rate;
|
|
int i_channels;
|
|
int i_abitrate;
|
|
|
|
/* Video */
|
|
vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
|
|
char *psz_venc;
|
|
sout_cfg_t *p_video_cfg;
|
|
int i_vbitrate;
|
|
double f_scale;
|
|
double f_fps;
|
|
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;
|
|
int i_crop_right;
|
|
int i_crop_left;
|
|
|
|
int i_padd_top;
|
|
int i_padd_bottom;
|
|
int i_padd_right;
|
|
int i_padd_left;
|
|
|
|
int i_canvas_width;
|
|
int i_canvas_height;
|
|
int i_canvas_aspect;
|
|
|
|
/* Video, calculated */
|
|
int i_src_x_offset;
|
|
int i_src_y_offset;
|
|
int i_crop_width;
|
|
int i_crop_height;
|
|
|
|
int i_dst_x_offset;
|
|
int i_dst_y_offset;
|
|
int i_nopadd_width;
|
|
int i_nopadd_height;
|
|
|
|
/* SPU */
|
|
vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
|
|
char *psz_senc;
|
|
vlc_bool_t b_soverlay;
|
|
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;
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* 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;
|
|
vlc_value_t val;
|
|
|
|
p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
|
|
|
|
p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
|
|
if( !p_sys->p_out )
|
|
{
|
|
msg_Err( p_stream, "cannot create chain" );
|
|
vlc_object_destroy( p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
p_sys->i_master_drift = 0;
|
|
|
|
sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
|
|
p_stream->p_cfg );
|
|
|
|
/* Audio transcoding parameters */
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
|
|
p_sys->psz_aenc = NULL;
|
|
p_sys->p_audio_cfg = NULL;
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char *psz_next;
|
|
psz_next = sout_CfgCreate( &p_sys->psz_aenc, &p_sys->p_audio_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 "acodec", &val );
|
|
p_sys->i_acodec = 0;
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char fcc[4] = " ";
|
|
memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
|
|
p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
|
|
}
|
|
if( val.psz_string ) free( val.psz_string );
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
|
|
p_sys->i_abitrate = val.i_int;
|
|
if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
|
|
p_sys->i_sample_rate = val.i_int;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
|
|
p_sys->i_channels = val.i_int;
|
|
|
|
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 );
|
|
}
|
|
|
|
/* Video transcoding parameters */
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
|
|
p_sys->psz_venc = NULL;
|
|
p_sys->p_video_cfg = NULL;
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char *psz_next;
|
|
psz_next = sout_CfgCreate( &p_sys->psz_venc, &p_sys->p_video_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 "vcodec", &val );
|
|
p_sys->i_vcodec = 0;
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char fcc[4] = " ";
|
|
memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
|
|
p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
|
|
}
|
|
if( val.psz_string ) free( val.psz_string );
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
|
|
p_sys->i_vbitrate = val.i_int;
|
|
if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
|
|
p_sys->f_scale = val.f_float;
|
|
|
|
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 );
|
|
p_sys->i_crop_bottom = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
|
|
p_sys->i_crop_left = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
|
|
p_sys->i_crop_right = val.i_int;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "paddtop", &val );
|
|
p_sys->i_padd_top = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "paddbottom", &val );
|
|
p_sys->i_padd_bottom = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "paddleft", &val );
|
|
p_sys->i_padd_left = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "paddright", &val );
|
|
p_sys->i_padd_right = val.i_int;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "canvas-width", &val );
|
|
p_sys->i_canvas_width = val.i_int;
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "canvas-height", &val );
|
|
p_sys->i_canvas_height = val.i_int;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "canvas-aspect", &val );
|
|
if ( val.psz_string )
|
|
{
|
|
char *psz_parser = strchr( val.psz_string, ':' );
|
|
|
|
if( psz_parser )
|
|
{
|
|
*psz_parser++ = '\0';
|
|
p_sys->i_canvas_aspect = atoi( val.psz_string ) * VOUT_ASPECT_FACTOR
|
|
/ atoi( psz_parser );
|
|
}
|
|
else
|
|
{
|
|
msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
|
|
p_sys->i_canvas_aspect = 0;
|
|
}
|
|
|
|
free( val.psz_string );
|
|
}
|
|
else
|
|
{
|
|
p_sys->i_canvas_aspect = 0;
|
|
}
|
|
|
|
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 )
|
|
{
|
|
msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
|
|
(char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
|
|
p_sys->f_scale, p_sys->i_vbitrate / 1000 );
|
|
}
|
|
|
|
/* Subpictures transcoding parameters */
|
|
p_sys->p_spu = NULL;
|
|
p_sys->psz_senc = NULL;
|
|
p_sys->p_spu_cfg = NULL;
|
|
p_sys->i_scodec = 0;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char *psz_next;
|
|
psz_next = sout_CfgCreate( &p_sys->psz_senc, &p_sys->p_spu_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 "scodec", &val );
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
char fcc[4] = " ";
|
|
memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
|
|
p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
|
|
}
|
|
if( val.psz_string ) free( val.psz_string );
|
|
|
|
if( p_sys->i_scodec )
|
|
{
|
|
msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
|
|
}
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
|
|
p_sys->b_soverlay = val.b_bool;
|
|
|
|
var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
|
|
if( val.psz_string && *val.psz_string )
|
|
{
|
|
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", val );
|
|
spu_Init( p_sys->p_spu );
|
|
}
|
|
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;
|
|
|
|
p_stream->pf_add = Add;
|
|
p_stream->pf_del = Del;
|
|
p_stream->pf_send = Send;
|
|
p_stream->p_sys = p_sys;
|
|
|
|
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;
|
|
|
|
sout_StreamDelete( p_sys->p_out );
|
|
|
|
while( p_sys->p_audio_cfg != NULL )
|
|
{
|
|
sout_cfg_t *p_next = p_sys->p_audio_cfg->p_next;
|
|
|
|
if( p_sys->p_audio_cfg->psz_name )
|
|
free( p_sys->p_audio_cfg->psz_name );
|
|
if( p_sys->p_audio_cfg->psz_value )
|
|
free( p_sys->p_audio_cfg->psz_value );
|
|
free( p_sys->p_audio_cfg );
|
|
|
|
p_sys->p_audio_cfg = p_next;
|
|
}
|
|
if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
|
|
|
|
while( p_sys->p_video_cfg != NULL )
|
|
{
|
|
sout_cfg_t *p_next = p_sys->p_video_cfg->p_next;
|
|
|
|
if( p_sys->p_video_cfg->psz_name )
|
|
free( p_sys->p_video_cfg->psz_name );
|
|
if( p_sys->p_video_cfg->psz_value )
|
|
free( p_sys->p_video_cfg->psz_value );
|
|
free( p_sys->p_video_cfg );
|
|
|
|
p_sys->p_video_cfg = p_next;
|
|
}
|
|
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;
|
|
|
|
if( p_sys->p_spu_cfg->psz_name )
|
|
free( p_sys->p_spu_cfg->psz_name );
|
|
if( p_sys->p_spu_cfg->psz_value )
|
|
free( p_sys->p_spu_cfg->psz_value );
|
|
free( p_sys->p_spu_cfg );
|
|
|
|
p_sys->p_spu_cfg = p_next;
|
|
}
|
|
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 );
|
|
}
|
|
|
|
struct sout_stream_id_t
|
|
{
|
|
vlc_fourcc_t b_transcode;
|
|
|
|
/* id of the out stream */
|
|
void *id;
|
|
|
|
/* Decoder */
|
|
decoder_t *p_decoder;
|
|
|
|
/* Filters */
|
|
filter_t *pp_filter[10];
|
|
int i_filter;
|
|
filter_t *pp_vfilter[10];
|
|
int i_vfilter;
|
|
|
|
/* Encoder */
|
|
encoder_t *p_encoder;
|
|
|
|
/* Sync */
|
|
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;
|
|
sout_stream_id_t *id;
|
|
|
|
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 decoder object */
|
|
id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
|
|
if( !id->p_decoder )
|
|
{
|
|
msg_Err( p_stream, "out of memory" );
|
|
goto error;
|
|
}
|
|
vlc_object_attach( id->p_decoder, p_stream );
|
|
id->p_decoder->p_module = NULL;
|
|
id->p_decoder->fmt_in = *p_fmt;
|
|
id->p_decoder->b_pace_control = VLC_TRUE;
|
|
|
|
/* 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 destination format */
|
|
es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
|
|
id->p_encoder->fmt_out.i_id = p_fmt->i_id;
|
|
id->p_encoder->fmt_out.i_group = p_fmt->i_group;
|
|
if( p_fmt->psz_language )
|
|
id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
|
|
|
|
if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
|
|
{
|
|
msg_Dbg( p_stream,
|
|
"creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
|
|
(char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
|
|
|
|
/* Complete destination format */
|
|
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.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 ) )
|
|
{
|
|
msg_Err( p_stream, "cannot create audio chain" );
|
|
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 )
|
|
{
|
|
transcode_audio_close( p_stream, id );
|
|
goto error;
|
|
}
|
|
|
|
date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
|
|
}
|
|
else if( p_fmt->i_cat == VIDEO_ES &&
|
|
(p_sys->i_vcodec != 0 || p_sys->psz_venc) )
|
|
{
|
|
msg_Dbg( p_stream,
|
|
"creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
|
|
(char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
|
|
|
|
/* Complete destination format */
|
|
id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
|
|
id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
|
|
id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
|
|
id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
|
|
|
|
/* Build decoder -> filter -> encoder chain */
|
|
if( transcode_video_new( p_stream, id ) )
|
|
{
|
|
msg_Err( p_stream, "cannot create video chain" );
|
|
goto error;
|
|
}
|
|
|
|
/* Stream will be added later on because we don't know
|
|
* all the characteristics of the decoded stream yet */
|
|
id->b_transcode = VLC_TRUE;
|
|
|
|
if( p_sys->f_fps > 0 )
|
|
{
|
|
id->p_encoder->fmt_out.video.i_frame_rate =
|
|
(p_sys->f_fps * 1001) + 0.5;
|
|
id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
|
|
}
|
|
}
|
|
else if( p_fmt->i_cat == SPU_ES && (p_sys->i_scodec || p_sys->psz_senc) )
|
|
{
|
|
msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
|
|
"to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
|
|
(char*)&p_sys->i_scodec );
|
|
|
|
/* Complete destination format */
|
|
id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
|
|
|
|
/* build decoder -> filter -> encoder */
|
|
if( transcode_spu_new( p_stream, id ) )
|
|
{
|
|
msg_Err( p_stream, "cannot create subtitles chain" );
|
|
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 )
|
|
{
|
|
transcode_spu_close( p_stream, id );
|
|
goto error;
|
|
}
|
|
}
|
|
else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
|
|
{
|
|
msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
|
|
(char*)&p_fmt->i_codec );
|
|
|
|
id->b_transcode = VLC_TRUE;
|
|
|
|
/* Build decoder -> filter -> overlaying chain */
|
|
if( transcode_spu_new( p_stream, id ) )
|
|
{
|
|
msg_Err( p_stream, "cannot create subtitles chain" );
|
|
goto error;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
|
|
(char*)&p_fmt->i_codec );
|
|
id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
|
|
id->b_transcode = VLC_FALSE;
|
|
|
|
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:
|
|
if( id->p_decoder )
|
|
{
|
|
vlc_object_detach( id->p_decoder );
|
|
vlc_object_destroy( id->p_decoder );
|
|
}
|
|
|
|
if( id->p_encoder )
|
|
{
|
|
vlc_object_detach( id->p_encoder );
|
|
es_format_Clean( &id->p_encoder->fmt_out );
|
|
vlc_object_destroy( id->p_encoder );
|
|
}
|
|
|
|
free( id );
|
|
return NULL;
|
|
}
|
|
|
|
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 )
|
|
{
|
|
case AUDIO_ES:
|
|
transcode_audio_close( p_stream, id );
|
|
break;
|
|
case VIDEO_ES:
|
|
transcode_video_close( p_stream, id );
|
|
break;
|
|
case SPU_ES:
|
|
transcode_spu_close( p_stream, id );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
|
|
|
|
if( id->p_decoder )
|
|
{
|
|
vlc_object_detach( id->p_decoder );
|
|
vlc_object_destroy( id->p_decoder );
|
|
}
|
|
|
|
if( id->p_encoder )
|
|
{
|
|
vlc_object_detach( id->p_encoder );
|
|
es_format_Clean( &id->p_encoder->fmt_out );
|
|
vlc_object_destroy( id->p_encoder );
|
|
}
|
|
|
|
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;
|
|
block_t *p_out = NULL;
|
|
|
|
if( !id->b_transcode && id->id )
|
|
{
|
|
/* Transcode OSD menu pictures. */
|
|
if( p_sys->b_es_osd )
|
|
{
|
|
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 )
|
|
{
|
|
block_Release( p_buffer );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
switch( id->p_decoder->fmt_in.i_cat )
|
|
{
|
|
case AUDIO_ES:
|
|
transcode_audio_process( p_stream, id, p_buffer, &p_out );
|
|
break;
|
|
|
|
case VIDEO_ES:
|
|
if( transcode_video_process( p_stream, id, p_buffer, &p_out )
|
|
!= VLC_SUCCESS )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
break;
|
|
|
|
case SPU_ES:
|
|
if( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
|
|
VLC_SUCCESS )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
p_out = NULL;
|
|
block_Release( p_buffer );
|
|
break;
|
|
}
|
|
|
|
if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* decoder reencoder part
|
|
****************************************************************************/
|
|
int audio_BitsPerSample( vlc_fourcc_t i_format )
|
|
{
|
|
switch( i_format )
|
|
{
|
|
case VLC_FOURCC('u','8',' ',' '):
|
|
case VLC_FOURCC('s','8',' ',' '):
|
|
return 8;
|
|
|
|
case VLC_FOURCC('u','1','6','l'):
|
|
case VLC_FOURCC('s','1','6','l'):
|
|
case VLC_FOURCC('u','1','6','b'):
|
|
case VLC_FOURCC('s','1','6','b'):
|
|
return 16;
|
|
|
|
case VLC_FOURCC('u','2','4','l'):
|
|
case VLC_FOURCC('s','2','4','l'):
|
|
case VLC_FOURCC('u','2','4','b'):
|
|
case VLC_FOURCC('s','2','4','b'):
|
|
return 24;
|
|
|
|
case VLC_FOURCC('u','3','2','l'):
|
|
case VLC_FOURCC('s','3','2','l'):
|
|
case VLC_FOURCC('u','3','2','b'):
|
|
case VLC_FOURCC('s','3','2','b'):
|
|
case VLC_FOURCC('f','l','3','2'):
|
|
case VLC_FOURCC('f','i','3','2'):
|
|
return 32;
|
|
|
|
case VLC_FOURCC('f','l','6','4'):
|
|
return 64;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
|
|
sout_stream_id_t *id,
|
|
es_format_t *p_fmt_in,
|
|
es_format_t *p_fmt_out )
|
|
{
|
|
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_t* (*) (filter_t*, int))__block_New;
|
|
|
|
p_filter->fmt_in = *p_fmt_in;
|
|
p_filter->fmt_out = *p_fmt_out;
|
|
|
|
p_filter->p_module = module_Need( p_filter, "audio filter2", 0, 0 );
|
|
if( p_filter->p_module )
|
|
{
|
|
p_filter->fmt_out.audio.i_bitspersample =
|
|
audio_BitsPerSample( p_filter->fmt_out.i_codec );
|
|
*p_fmt_in = p_filter->fmt_out;
|
|
}
|
|
else
|
|
{
|
|
vlc_object_detach( p_filter );
|
|
vlc_object_destroy( p_filter );
|
|
p_filter = 0;
|
|
}
|
|
|
|
return p_filter;
|
|
}
|
|
|
|
static int transcode_audio_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_last;
|
|
int i_pass = 6;
|
|
|
|
/*
|
|
* Open decoder
|
|
*/
|
|
|
|
/* 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_audio_cfg; */
|
|
|
|
id->p_decoder->p_module =
|
|
module_Need( id->p_decoder, "decoder", "$codec", 0 );
|
|
|
|
if( !id->p_decoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find decoder" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
id->p_decoder->fmt_out.audio.i_bitspersample =
|
|
audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
|
|
fmt_last = id->p_decoder->fmt_out;
|
|
/* FIX decoders so we don't have to do this */
|
|
fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
|
|
|
|
/*
|
|
* Open encoder
|
|
*/
|
|
|
|
/* Initialization of encoder format structures */
|
|
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
|
|
id->p_decoder->fmt_out.i_codec );
|
|
id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
|
|
|
|
/* 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_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 =
|
|
audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
|
|
|
|
id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
|
|
|
|
id->p_encoder->p_module =
|
|
module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
|
|
if( !id->p_encoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find encoder" );
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
id->p_decoder->p_module = 0;
|
|
return VLC_EGENERIC;
|
|
}
|
|
id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
|
|
id->p_encoder->fmt_in.audio.i_bitspersample =
|
|
audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
|
|
|
|
/* Load conversion filters */
|
|
if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
|
|
fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
|
|
{
|
|
/* We'll have to go through fl32 first */
|
|
es_format_t fmt_out = id->p_encoder->fmt_in;
|
|
fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
|
|
|
|
id->pp_filter[id->i_filter] =
|
|
transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out );
|
|
|
|
if( id->pp_filter[id->i_filter] ) id->i_filter++;
|
|
}
|
|
|
|
while( i_pass-- )
|
|
{
|
|
if( fmt_last.audio.i_channels !=
|
|
id->p_encoder->fmt_in.audio.i_channels ||
|
|
fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate ||
|
|
fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
|
|
{
|
|
id->pp_filter[id->i_filter] =
|
|
transcode_audio_filter_new( p_stream, id, &fmt_last,
|
|
&id->p_encoder->fmt_in );
|
|
|
|
if( id->pp_filter[id->i_filter] ) id->i_filter++;
|
|
else break;
|
|
}
|
|
}
|
|
|
|
/* Final checks to see if conversions were successful */
|
|
if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
|
|
{
|
|
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 );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
|
|
{
|
|
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;
|
|
|
|
id->p_encoder->fmt_in.audio.i_physical_channels =
|
|
id->p_encoder->fmt_in.audio.i_original_channels =
|
|
fmt_last.audio.i_physical_channels;
|
|
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_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 */
|
|
if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
|
|
id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static void transcode_audio_close( sout_stream_t *p_stream,
|
|
sout_stream_id_t *id )
|
|
{
|
|
int i;
|
|
|
|
/* Close decoder */
|
|
if( id->p_decoder->p_module )
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
id->p_decoder->p_module = 0;
|
|
|
|
/* Close encoder */
|
|
if( id->p_encoder->p_module )
|
|
module_Unneed( id->p_encoder, id->p_encoder->p_module );
|
|
id->p_encoder->p_module = 0;
|
|
|
|
/* Close filters */
|
|
for( i = 0; i < id->i_filter; i++ )
|
|
{
|
|
vlc_object_detach( id->pp_filter[i] );
|
|
if( id->pp_filter[i]->p_module )
|
|
module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
|
|
vlc_object_destroy( id->pp_filter[i] );
|
|
}
|
|
}
|
|
|
|
static int transcode_audio_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;
|
|
aout_buffer_t *p_audio_buf;
|
|
block_t *p_block, *p_audio_block;
|
|
int i;
|
|
*out = NULL;
|
|
|
|
while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
|
|
&in )) )
|
|
{
|
|
stats_UpdateInteger( p_stream->p_parent->p_parent, STATS_DECODED_AUDIO,
|
|
1, NULL );
|
|
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;
|
|
p_audio_buf->end_date -= p_sys->i_master_drift;
|
|
}
|
|
|
|
p_audio_block = p_audio_buf->p_sys;
|
|
p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
|
|
p_audio_block->i_dts = p_audio_block->i_pts =
|
|
p_audio_buf->start_date;
|
|
p_audio_block->i_length = p_audio_buf->end_date -
|
|
p_audio_buf->start_date;
|
|
p_audio_block->i_samples = p_audio_buf->i_nb_samples;
|
|
|
|
/* Run filter chain */
|
|
for( i = 0; i < id->i_filter; i++ )
|
|
{
|
|
p_audio_block =
|
|
id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
|
|
p_audio_block );
|
|
}
|
|
|
|
p_audio_buf->p_buffer = p_audio_block->p_buffer;
|
|
p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
|
|
p_audio_buf->i_nb_samples = p_audio_block->i_samples;
|
|
p_audio_buf->start_date = p_audio_block->i_dts;
|
|
p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
|
|
|
|
p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
|
|
block_ChainAppend( out, p_block );
|
|
block_Release( p_audio_block );
|
|
free( p_audio_buf );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static void audio_release_buffer( aout_buffer_t *p_buffer )
|
|
{
|
|
if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
|
|
if( p_buffer ) free( p_buffer );
|
|
}
|
|
|
|
static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
|
|
{
|
|
aout_buffer_t *p_buffer;
|
|
block_t *p_block;
|
|
int i_size;
|
|
|
|
if( p_dec->fmt_out.audio.i_bitspersample )
|
|
{
|
|
i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
|
|
p_dec->fmt_out.audio.i_channels;
|
|
}
|
|
else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
|
|
p_dec->fmt_out.audio.i_frame_length )
|
|
{
|
|
i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
|
|
p_dec->fmt_out.audio.i_frame_length;
|
|
}
|
|
else
|
|
{
|
|
i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
|
|
}
|
|
|
|
p_buffer = malloc( sizeof(aout_buffer_t) );
|
|
p_buffer->pf_release = audio_release_buffer;
|
|
p_buffer->p_sys = p_block = block_New( p_dec, i_size );
|
|
|
|
p_buffer->p_buffer = p_block->p_buffer;
|
|
p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
|
|
p_buffer->i_nb_samples = i_samples;
|
|
p_block->i_samples = i_samples;
|
|
|
|
return p_buffer;
|
|
}
|
|
|
|
static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
|
|
{
|
|
if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
|
|
if( p_buffer ) free( p_buffer );
|
|
}
|
|
|
|
/*
|
|
* video
|
|
*/
|
|
static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
|
|
{
|
|
sout_stream_sys_t *p_sys = p_stream->p_sys;
|
|
int i;
|
|
|
|
/*
|
|
* Open decoder
|
|
*/
|
|
|
|
/* 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;
|
|
id->p_decoder->pf_picture_link = video_link_picture_decoder;
|
|
id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
|
|
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_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 );
|
|
|
|
if( !id->p_decoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find decoder" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
/*
|
|
* Open encoder.
|
|
* Because some info about the decoded input will only be available
|
|
* once the first frame is decoded, we actually only test the availability
|
|
* of the encoder here.
|
|
*/
|
|
|
|
/* Initialization of encoder format structures */
|
|
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
|
|
id->p_decoder->fmt_out.i_codec );
|
|
id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
|
|
|
|
/* The dimensions will be set properly later on.
|
|
* Just put sensible values so we can test an encoder is available. */
|
|
id->p_encoder->fmt_in.video.i_width =
|
|
id->p_encoder->fmt_out.video.i_width ?
|
|
id->p_encoder->fmt_out.video.i_width :
|
|
id->p_decoder->fmt_in.video.i_width ?
|
|
id->p_decoder->fmt_in.video.i_width : 16;
|
|
id->p_encoder->fmt_in.video.i_height =
|
|
id->p_encoder->fmt_out.video.i_height ?
|
|
id->p_encoder->fmt_out.video.i_height :
|
|
id->p_decoder->fmt_in.video.i_height ?
|
|
id->p_decoder->fmt_in.video.i_height : 16;
|
|
id->p_encoder->fmt_in.video.i_frame_rate = 25;
|
|
id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
|
|
|
|
id->p_encoder->i_threads = p_sys->i_threads;
|
|
id->p_encoder->p_cfg = p_sys->p_video_cfg;
|
|
|
|
id->p_encoder->p_module =
|
|
module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
|
|
if( !id->p_encoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find encoder" );
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
id->p_decoder->p_module = 0;
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
/* 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 );
|
|
memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
|
|
p_sys->i_first_pic = 0;
|
|
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, i_priority,
|
|
VLC_FALSE ) )
|
|
{
|
|
msg_Err( p_stream, "cannot spawn encoder thread" );
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
id->p_decoder->p_module = 0;
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int transcode_video_encoder_open( sout_stream_t *p_stream,
|
|
sout_stream_id_t *id )
|
|
{
|
|
sout_stream_sys_t *p_sys = p_stream->p_sys;
|
|
|
|
/* Calculate scaling, padding, cropping etc. */
|
|
|
|
/* width/height of source */
|
|
int i_src_width = id->p_decoder->fmt_out.video.i_width;
|
|
int i_src_height = id->p_decoder->fmt_out.video.i_height;
|
|
|
|
/* with/height scaling */
|
|
float f_scale_width = 1;
|
|
float f_scale_height = 1;
|
|
|
|
/* width/height of output stream */
|
|
int i_dst_width;
|
|
int i_dst_height;
|
|
|
|
/* aspect ratio */
|
|
float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
|
|
VOUT_ASPECT_FACTOR;
|
|
|
|
msg_Dbg( p_stream, "decoder aspect is %i:%i",
|
|
id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
|
|
|
|
/* Change f_aspect from source frame to source pixel */
|
|
f_aspect = f_aspect * i_src_height / i_src_width;
|
|
msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
|
|
|
|
/* width/height after cropping */
|
|
p_sys->i_src_x_offset = p_sys->i_crop_left & ~1;
|
|
p_sys->i_src_y_offset = p_sys->i_crop_top & ~1;
|
|
p_sys->i_crop_width = i_src_width - ( p_sys->i_crop_left & ~1 ) -
|
|
( p_sys->i_crop_right & ~1 );
|
|
p_sys->i_crop_height = i_src_height - ( p_sys->i_crop_top & ~1 ) -
|
|
( p_sys->i_crop_bottom & ~1 );
|
|
|
|
/* Calculate scaling factor for specified parameters */
|
|
if( id->p_encoder->fmt_out.video.i_width <= 0 &&
|
|
id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
|
|
{
|
|
/* Global scaling. Make sure width will remain a factor of 16 */
|
|
float f_real_scale;
|
|
int i_new_height;
|
|
int i_new_width = i_src_width * p_sys->f_scale;
|
|
|
|
if( i_new_width % 16 <= 7 && i_new_width >= 16 )
|
|
i_new_width -= i_new_width % 16;
|
|
else
|
|
i_new_width += 16 - i_new_width % 16;
|
|
|
|
f_real_scale = (float)( i_new_width ) / (float) i_src_width;
|
|
|
|
i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
|
|
|
|
f_scale_width = f_real_scale;
|
|
f_scale_height = (float) i_new_height / (float) i_src_height;
|
|
}
|
|
else if( id->p_encoder->fmt_out.video.i_width > 0 &&
|
|
id->p_encoder->fmt_out.video.i_height <= 0 )
|
|
{
|
|
/* Only width specified */
|
|
f_scale_width = (float)id->p_encoder->fmt_out.video.i_width /
|
|
p_sys->i_crop_width;
|
|
f_scale_height = f_scale_width;
|
|
}
|
|
else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
|
|
id->p_encoder->fmt_out.video.i_height > 0 )
|
|
{
|
|
/* Only height specified */
|
|
f_scale_height = (float)id->p_encoder->fmt_out.video.i_height /
|
|
p_sys->i_crop_height;
|
|
f_scale_width = f_scale_height;
|
|
}
|
|
else if( id->p_encoder->fmt_out.video.i_width > 0 &&
|
|
id->p_encoder->fmt_out.video.i_height > 0 )
|
|
{
|
|
/* Width and height specified */
|
|
f_scale_width = (float)id->p_encoder->fmt_out.video.i_width
|
|
/ p_sys->i_crop_width;
|
|
f_scale_height = (float)id->p_encoder->fmt_out.video.i_height
|
|
/ p_sys->i_crop_height;
|
|
}
|
|
|
|
/* check maxwidth and maxheight */
|
|
/* note: maxwidth and maxheight currently does not handle
|
|
* canvas and padding, just scaling and cropping. */
|
|
|
|
if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
|
|
p_sys->i_crop_width )
|
|
{
|
|
f_scale_width = (float)p_sys->i_maxwidth / p_sys->i_crop_width;
|
|
}
|
|
if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
|
|
p_sys->i_crop_height )
|
|
{
|
|
f_scale_height = (float)p_sys->i_maxheight / p_sys->i_crop_height;
|
|
}
|
|
|
|
/* Change aspect ratio from source pixel to scaled pixel */
|
|
f_aspect = f_aspect * f_scale_height / f_scale_width;
|
|
msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
|
|
|
|
/* Correct scaling for target aspect ratio */
|
|
/* Shrink video if necessary */
|
|
if ( p_sys->i_canvas_aspect > 0 )
|
|
{
|
|
float f_target_aspect = (float)p_sys->i_canvas_aspect /
|
|
VOUT_ASPECT_FACTOR;
|
|
|
|
if( p_sys->i_canvas_width > 0 && p_sys->i_canvas_height > 0)
|
|
{
|
|
/* Calculate pixel aspect of canvas */
|
|
f_target_aspect = f_target_aspect / p_sys->i_canvas_width *
|
|
p_sys->i_canvas_height;
|
|
}
|
|
if( f_target_aspect > f_aspect )
|
|
{
|
|
/* Reduce width scale to increase aspect */
|
|
f_scale_width = f_scale_width * f_aspect / f_target_aspect;
|
|
}
|
|
else
|
|
{
|
|
/* Reduce height scale to decrease aspect */
|
|
f_scale_height = f_scale_height * f_target_aspect / f_aspect;
|
|
}
|
|
f_aspect = f_target_aspect;
|
|
msg_Dbg( p_stream, "canvas scaled pixel aspect is %f:1", f_aspect );
|
|
}
|
|
|
|
/* f_scale_width and f_scale_height are now final */
|
|
|
|
/* Calculate width, height from scaling */
|
|
/* Make sure its multiple of 2 */
|
|
|
|
i_dst_width = 2 * (int)( p_sys->i_crop_width * f_scale_width / 2 + 0.5 );
|
|
i_dst_height = 2 *
|
|
(int)( p_sys->i_crop_height * f_scale_height / 2 + 0.5 );
|
|
|
|
p_sys->i_nopadd_width = i_dst_width;
|
|
p_sys->i_nopadd_height = i_dst_height;
|
|
p_sys->i_dst_x_offset = 0;
|
|
p_sys->i_dst_y_offset = 0;
|
|
|
|
/* Handle canvas and padding */
|
|
|
|
if( p_sys->i_canvas_width <= 0 )
|
|
{
|
|
/* No canvas width set, add explicit padding border */
|
|
i_dst_width = p_sys->i_nopadd_width + ( p_sys->i_padd_left & ~1 ) +
|
|
( p_sys->i_padd_right & ~1 );
|
|
p_sys->i_dst_x_offset = ( p_sys->i_padd_left & ~1 );
|
|
}
|
|
else
|
|
{
|
|
/* Canvas set, check if we have to padd or crop */
|
|
|
|
if( p_sys->i_canvas_width < p_sys->i_nopadd_width )
|
|
{
|
|
/* need to crop more, but keep same scaling */
|
|
int i_crop = 2 * (int)( ( p_sys->i_canvas_width & ~1 ) /
|
|
f_scale_width / 2 + 0.5 );
|
|
|
|
p_sys->i_src_x_offset += ( ( p_sys->i_crop_width - i_crop ) / 2 )
|
|
& ~1;
|
|
p_sys->i_crop_width = i_crop;
|
|
i_dst_width = p_sys->i_canvas_width & ~1;
|
|
p_sys->i_nopadd_width = i_dst_width;
|
|
}
|
|
else if( p_sys->i_canvas_width > p_sys->i_nopadd_width )
|
|
{
|
|
/* need to padd */
|
|
i_dst_width = p_sys->i_canvas_width & ~1;
|
|
p_sys->i_dst_x_offset = ( i_dst_width - p_sys->i_nopadd_width )/2;
|
|
p_sys->i_dst_x_offset = p_sys->i_dst_x_offset & ~1;
|
|
}
|
|
}
|
|
|
|
if( p_sys->i_canvas_height <= 0 )
|
|
{
|
|
/* No canvas set, add padding border */
|
|
i_dst_height = p_sys->i_nopadd_height + ( p_sys->i_padd_top & ~1 ) +
|
|
( p_sys->i_padd_bottom & ~1 );
|
|
p_sys->i_dst_y_offset = ( p_sys->i_padd_top & ~1 );
|
|
}
|
|
else
|
|
{
|
|
/* Canvas set, check if we have to padd or crop */
|
|
|
|
if( p_sys->i_canvas_height < p_sys->i_nopadd_height )
|
|
{
|
|
/* need to crop more, but keep same scaling */
|
|
int i_crop = 2 * (int)( ( p_sys->i_canvas_height & ~1 ) /
|
|
f_scale_height / 2 + 0.5 );
|
|
|
|
p_sys->i_src_y_offset += ( ( p_sys->i_crop_height - i_crop ) / 2 )
|
|
& ~1;
|
|
p_sys->i_crop_height = i_crop;
|
|
i_dst_height = p_sys->i_canvas_height & ~1;
|
|
p_sys->i_nopadd_height = i_dst_height;
|
|
}
|
|
else if( p_sys->i_canvas_height > p_sys->i_nopadd_height )
|
|
{
|
|
/* need to padd */
|
|
i_dst_height = p_sys->i_canvas_height & ~1;
|
|
p_sys->i_dst_y_offset = ( i_dst_height - p_sys->i_nopadd_height )
|
|
/2;
|
|
p_sys->i_dst_y_offset = p_sys->i_dst_y_offset & ~1;
|
|
}
|
|
}
|
|
|
|
|
|
/* Change aspect ratio from scaled pixel to output frame */
|
|
|
|
f_aspect = f_aspect * i_dst_width / i_dst_height;
|
|
|
|
/* Store calculated values */
|
|
id->p_encoder->fmt_out.video.i_width = i_dst_width;
|
|
id->p_encoder->fmt_out.video.i_height = i_dst_height;
|
|
|
|
id->p_encoder->fmt_in.video.i_width = i_dst_width;
|
|
id->p_encoder->fmt_in.video.i_height = i_dst_height;
|
|
|
|
msg_Dbg( p_stream, "source %ix%i, crop %ix%i, "
|
|
"destination %ix%i, padding %ix%i",
|
|
i_src_width, i_src_height,
|
|
p_sys->i_crop_width, p_sys->i_crop_height,
|
|
p_sys->i_nopadd_width, p_sys->i_nopadd_height,
|
|
i_dst_width, i_dst_height
|
|
);
|
|
|
|
/* Handle frame rate conversion */
|
|
if( !id->p_encoder->fmt_out.video.i_frame_rate ||
|
|
!id->p_encoder->fmt_out.video.i_frame_rate_base )
|
|
{
|
|
if( id->p_decoder->fmt_out.video.i_frame_rate &&
|
|
id->p_decoder->fmt_out.video.i_frame_rate_base )
|
|
{
|
|
id->p_encoder->fmt_out.video.i_frame_rate =
|
|
id->p_decoder->fmt_out.video.i_frame_rate;
|
|
id->p_encoder->fmt_out.video.i_frame_rate_base =
|
|
id->p_decoder->fmt_out.video.i_frame_rate_base;
|
|
}
|
|
else
|
|
{
|
|
/* Pick a sensible default value */
|
|
id->p_encoder->fmt_out.video.i_frame_rate = 25;
|
|
id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
|
|
}
|
|
}
|
|
|
|
id->p_encoder->fmt_in.video.i_frame_rate =
|
|
id->p_encoder->fmt_out.video.i_frame_rate;
|
|
id->p_encoder->fmt_in.video.i_frame_rate_base =
|
|
id->p_encoder->fmt_out.video.i_frame_rate_base;
|
|
|
|
date_Init( &id->interpolated_pts,
|
|
id->p_encoder->fmt_out.video.i_frame_rate,
|
|
id->p_encoder->fmt_out.video.i_frame_rate_base );
|
|
|
|
/* Check whether a particular aspect ratio was requested */
|
|
if( !id->p_encoder->fmt_out.video.i_aspect )
|
|
{
|
|
id->p_encoder->fmt_out.video.i_aspect = (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
|
|
}
|
|
id->p_encoder->fmt_in.video.i_aspect =
|
|
id->p_encoder->fmt_out.video.i_aspect;
|
|
|
|
msg_Dbg( p_stream, "encoder aspect is %i:%i", id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
|
|
|
|
id->p_encoder->p_module =
|
|
module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
|
|
if( !id->p_encoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find encoder" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
|
|
|
|
/* Hack for mp2v/mp1v transcoding support */
|
|
if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
|
|
id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
|
|
{
|
|
id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
|
|
}
|
|
|
|
id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
|
|
&id->p_encoder->fmt_out );
|
|
if( !id->id )
|
|
{
|
|
msg_Err( p_stream, "cannot add this stream" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static void transcode_video_close( sout_stream_t *p_stream,
|
|
sout_stream_id_t *id )
|
|
{
|
|
int i, j;
|
|
|
|
if( p_stream->p_sys->i_threads >= 1 )
|
|
{
|
|
vlc_mutex_lock( &p_stream->p_sys->lock_out );
|
|
p_stream->p_sys->b_die = 1;
|
|
vlc_cond_signal( &p_stream->p_sys->cond );
|
|
vlc_mutex_unlock( &p_stream->p_sys->lock_out );
|
|
vlc_thread_join( p_stream->p_sys );
|
|
vlc_mutex_destroy( &p_stream->p_sys->lock_out );
|
|
vlc_cond_destroy( &p_stream->p_sys->cond );
|
|
}
|
|
|
|
/* Close decoder */
|
|
if( id->p_decoder->p_module )
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
|
|
if( id->p_decoder->p_owner )
|
|
{
|
|
/* Clean-up pictures ring buffer */
|
|
for( i = 0; i < PICTURE_RING_SIZE; i++ )
|
|
{
|
|
if( id->p_decoder->p_owner->pp_pics[i] )
|
|
video_del_buffer( VLC_OBJECT(id->p_decoder),
|
|
id->p_decoder->p_owner->pp_pics[i] );
|
|
}
|
|
free( id->p_decoder->p_owner );
|
|
}
|
|
|
|
/* Close encoder */
|
|
if( id->p_encoder->p_module )
|
|
module_Unneed( id->p_encoder, id->p_encoder->p_module );
|
|
|
|
/* Close filters */
|
|
for( i = 0; i < id->i_filter; i++ )
|
|
{
|
|
vlc_object_detach( id->pp_filter[i] );
|
|
if( id->pp_filter[i]->p_module )
|
|
module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
|
|
|
|
/* Clean-up pictures ring buffer */
|
|
for( j = 0; j < PICTURE_RING_SIZE; j++ )
|
|
{
|
|
if( id->pp_filter[i]->p_owner->pp_pics[j] )
|
|
video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
|
|
id->pp_filter[i]->p_owner->pp_pics[j] );
|
|
}
|
|
free( id->pp_filter[i]->p_owner );
|
|
|
|
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,
|
|
sout_stream_id_t *id,
|
|
block_t *in, block_t **out )
|
|
{
|
|
sout_stream_sys_t *p_sys = p_stream->p_sys;
|
|
int i_duplicate = 1, i;
|
|
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;
|
|
stats_UpdateInteger( p_stream->p_parent->p_parent, STATS_DECODED_VIDEO,
|
|
1, NULL );
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
i_video_drift = p_pic->date - i_pts;
|
|
i_duplicate = 1;
|
|
|
|
/* Set the pts of the frame being encoded */
|
|
p_pic->date = i_pts;
|
|
|
|
if( i_video_drift < i_master_drift - 50000 )
|
|
{
|
|
#if 0
|
|
msg_Dbg( p_stream, "dropping frame (%i)",
|
|
(int)(i_video_drift - i_master_drift) );
|
|
#endif
|
|
p_pic->pf_release( p_pic );
|
|
continue;
|
|
}
|
|
else if( i_video_drift > i_master_drift + 50000 )
|
|
{
|
|
#if 0
|
|
msg_Dbg( p_stream, "adding frame (%i)",
|
|
(int)(i_video_drift - i_master_drift) );
|
|
#endif
|
|
i_duplicate = 2;
|
|
}
|
|
}
|
|
|
|
if( !id->p_encoder->p_module )
|
|
{
|
|
if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
|
|
{
|
|
p_pic->pf_release( p_pic );
|
|
transcode_video_close( p_stream, id );
|
|
id->b_transcode = VLC_FALSE;
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
/* Deinterlace */
|
|
if( p_stream->p_sys->b_deinterlace )
|
|
{
|
|
id->pp_filter[id->i_filter] =
|
|
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
|
|
vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
|
|
|
|
id->pp_filter[id->i_filter]->pf_vout_buffer_new =
|
|
video_new_buffer_filter;
|
|
id->pp_filter[id->i_filter]->pf_vout_buffer_del =
|
|
video_del_buffer_filter;
|
|
|
|
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", 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++;
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_stream, "no video filter found" );
|
|
vlc_object_detach( id->pp_filter[id->i_filter] );
|
|
vlc_object_destroy( id->pp_filter[id->i_filter] );
|
|
}
|
|
}
|
|
|
|
/* Check if we need a filter for chroma conversion or resizing */
|
|
if( id->p_decoder->fmt_out.video.i_chroma !=
|
|
id->p_encoder->fmt_in.video.i_chroma ||
|
|
|
|
(int)id->p_decoder->fmt_out.video.i_width != p_sys->i_crop_width ||
|
|
p_sys->i_crop_width != p_sys->i_nopadd_width ||
|
|
p_sys->i_nopadd_width != (int)id->p_encoder->fmt_out.video.i_width ||
|
|
|
|
(int)id->p_decoder->fmt_out.video.i_height != p_sys->i_crop_height ||
|
|
p_sys->i_crop_height != p_sys->i_nopadd_height ||
|
|
p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
|
|
{
|
|
id->pp_filter[id->i_filter] =
|
|
vlc_object_create( p_stream, VLC_OBJECT_FILTER );
|
|
vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
|
|
|
|
id->pp_filter[id->i_filter]->pf_vout_buffer_new =
|
|
video_new_buffer_filter;
|
|
id->pp_filter[id->i_filter]->pf_vout_buffer_del =
|
|
video_del_buffer_filter;
|
|
|
|
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]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
|
|
id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
|
|
id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
|
|
id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
|
|
|
|
id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
|
|
id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
|
|
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
|
|
id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
|
|
|
|
id->pp_filter[id->i_filter]->p_module =
|
|
module_Need( id->pp_filter[id->i_filter],
|
|
"crop padd", 0, 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++;
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_stream, "no video filter found" );
|
|
vlc_object_detach( id->pp_filter[id->i_filter] );
|
|
vlc_object_destroy( id->pp_filter[id->i_filter] );
|
|
|
|
p_pic->pf_release( p_pic );
|
|
transcode_video_close( p_stream, id );
|
|
id->b_transcode = VLC_FALSE;
|
|
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 */
|
|
for( i = 0; i < id->i_filter; i++ )
|
|
{
|
|
p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
|
|
}
|
|
|
|
/*
|
|
* Encoding
|
|
*/
|
|
|
|
/* Check if we have a subpicture to overlay */
|
|
if( p_sys->p_spu )
|
|
{
|
|
p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date );
|
|
/* TODO: get another pic */
|
|
}
|
|
|
|
/* Overlay subpicture */
|
|
if( p_subpic )
|
|
{
|
|
int i_scale_width, i_scale_height;
|
|
video_format_t *p_fmt;
|
|
|
|
i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
|
|
id->p_decoder->fmt_out.video.i_width;
|
|
i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
|
|
id->p_decoder->fmt_out.video.i_height;
|
|
|
|
if( p_pic->i_refcount && !id->i_filter )
|
|
{
|
|
/* We can't modify the picture, we need to duplicate it */
|
|
picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
|
|
if( p_tmp )
|
|
{
|
|
vout_CopyPicture( p_stream, p_tmp, p_pic );
|
|
p_pic->pf_release( p_pic );
|
|
p_pic = p_tmp;
|
|
}
|
|
}
|
|
|
|
if( id->i_filter )
|
|
p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
|
|
else
|
|
p_fmt = &id->p_decoder->fmt_out.video;
|
|
|
|
/* FIXME (shouldn't have to be done here) */
|
|
p_fmt->i_sar_num = p_fmt->i_aspect *
|
|
p_fmt->i_height / p_fmt->i_width;
|
|
p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
|
|
|
|
spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
|
|
i_scale_width, i_scale_height );
|
|
}
|
|
|
|
/* Run vfilter chain */
|
|
for( i = 0; i < id->i_vfilter; i++ )
|
|
{
|
|
p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
|
|
}
|
|
|
|
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 )
|
|
{
|
|
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 )
|
|
{
|
|
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
|
|
{
|
|
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;
|
|
}
|
|
|
|
static int EncoderThread( sout_stream_sys_t *p_sys )
|
|
{
|
|
sout_stream_id_t *id = p_sys->id_video;
|
|
picture_t *p_pic;
|
|
|
|
while( !p_sys->b_die && !p_sys->b_error )
|
|
{
|
|
block_t *p_block;
|
|
|
|
vlc_mutex_lock( &p_sys->lock_out );
|
|
while( p_sys->i_last_pic == p_sys->i_first_pic )
|
|
{
|
|
vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
|
|
if( p_sys->b_die || p_sys->b_error ) break;
|
|
}
|
|
if( p_sys->b_die || p_sys->b_error )
|
|
{
|
|
vlc_mutex_unlock( &p_sys->lock_out );
|
|
break;
|
|
}
|
|
|
|
p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
|
|
p_sys->i_first_pic %= PICTURE_RING_SIZE;
|
|
vlc_mutex_unlock( &p_sys->lock_out );
|
|
|
|
p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
|
|
vlc_mutex_lock( &p_sys->lock_out );
|
|
block_ChainAppend( &p_sys->p_buffers, p_block );
|
|
|
|
vlc_mutex_unlock( &p_sys->lock_out );
|
|
|
|
p_pic->pf_release( p_pic );
|
|
}
|
|
|
|
while( p_sys->i_last_pic != p_sys->i_first_pic )
|
|
{
|
|
p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
|
|
p_sys->i_first_pic %= PICTURE_RING_SIZE;
|
|
|
|
p_pic->pf_release( p_pic );
|
|
}
|
|
|
|
block_ChainRelease( p_sys->p_buffers );
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct picture_sys_t
|
|
{
|
|
vlc_object_t *p_owner;
|
|
};
|
|
|
|
static void video_release_buffer( picture_t *p_pic )
|
|
{
|
|
if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
|
|
{
|
|
video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, 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,
|
|
sout_stream_sys_t *p_sys )
|
|
{
|
|
decoder_t *p_dec = (decoder_t *)p_this;
|
|
picture_t *p_pic;
|
|
int i;
|
|
|
|
/* 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 && 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, "
|
|
"resetting its ring buffer" );
|
|
|
|
for( i = 0; i < PICTURE_RING_SIZE; i++ )
|
|
{
|
|
pp_ring[i]->pf_release( pp_ring[i] );
|
|
}
|
|
|
|
i = 0;
|
|
}
|
|
|
|
p_pic = malloc( sizeof(picture_t) );
|
|
p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
|
|
vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
|
|
p_dec->fmt_out.video.i_chroma,
|
|
p_dec->fmt_out.video.i_width,
|
|
p_dec->fmt_out.video.i_height,
|
|
p_dec->fmt_out.video.i_aspect );
|
|
|
|
if( !p_pic->i_planes )
|
|
{
|
|
free( p_pic );
|
|
return 0;
|
|
}
|
|
|
|
p_pic->pf_release = video_release_buffer;
|
|
p_pic->p_sys = malloc( sizeof(picture_sys_t) );
|
|
p_pic->p_sys->p_owner = p_this;
|
|
p_pic->i_status = RESERVED_PICTURE;
|
|
|
|
pp_ring[i] = p_pic;
|
|
|
|
return p_pic;
|
|
}
|
|
|
|
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->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->p_sys );
|
|
}
|
|
|
|
static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
|
|
{
|
|
if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
|
|
if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
|
|
if( p_pic ) free( p_pic );
|
|
}
|
|
|
|
static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
|
|
{
|
|
p_pic->i_refcount = 0;
|
|
p_pic->i_status = DESTROYED_PICTURE;
|
|
}
|
|
|
|
static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
|
|
{
|
|
p_pic->i_refcount = 0;
|
|
p_pic->i_status = DESTROYED_PICTURE;
|
|
}
|
|
|
|
static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
|
|
{
|
|
p_pic->i_refcount++;
|
|
}
|
|
|
|
static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
|
|
{
|
|
video_release_buffer( p_pic );
|
|
}
|
|
|
|
/*
|
|
* SPU
|
|
*/
|
|
static subpicture_t *spu_new_buffer( decoder_t * );
|
|
static void spu_del_buffer( decoder_t *, subpicture_t * );
|
|
|
|
static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
|
|
{
|
|
sout_stream_sys_t *p_sys = p_stream->p_sys;
|
|
|
|
/*
|
|
* Open decoder
|
|
*/
|
|
|
|
/* Initialization of decoder structures */
|
|
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_module =
|
|
module_Need( id->p_decoder, "decoder", "$codec", 0 );
|
|
|
|
if( !id->p_decoder->p_module )
|
|
{
|
|
msg_Err( p_stream, "cannot find decoder" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
if( !p_sys->b_soverlay )
|
|
{
|
|
/*
|
|
* Open encoder
|
|
*/
|
|
|
|
/* Initialization of encoder format structures */
|
|
es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
|
|
id->p_decoder->fmt_in.i_codec );
|
|
|
|
id->p_encoder->p_cfg = p_sys->p_spu_cfg;
|
|
|
|
id->p_encoder->p_module =
|
|
module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
|
|
|
|
if( !id->p_encoder->p_module )
|
|
{
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
msg_Err( p_stream, "cannot find encoder" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|
|
if( !p_sys->p_spu )
|
|
{
|
|
p_sys->p_spu = spu_Create( p_stream );
|
|
spu_Init( p_sys->p_spu );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
|
|
{
|
|
/* Close decoder */
|
|
if( id->p_decoder->p_module )
|
|
module_Unneed( id->p_decoder, id->p_decoder->p_module );
|
|
|
|
/* Close encoder */
|
|
if( id->p_encoder->p_module )
|
|
module_Unneed( id->p_encoder, id->p_encoder->p_module );
|
|
}
|
|
|
|
static int transcode_spu_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;
|
|
*out = NULL;
|
|
|
|
p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
|
|
if( !p_subpic ) return VLC_EGENERIC;
|
|
|
|
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;
|
|
}
|
|
|
|
if( p_sys->b_soverlay )
|
|
{
|
|
spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
|
|
}
|
|
else
|
|
{
|
|
block_t *p_block;
|
|
|
|
p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
|
|
spu_del_buffer( id->p_decoder, p_subpic );
|
|
|
|
if( p_block )
|
|
{
|
|
block_ChainAppend( out, p_block );
|
|
return VLC_SUCCESS;
|
|
}
|
|
}
|
|
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
static subpicture_t *spu_new_buffer( decoder_t *p_dec )
|
|
{
|
|
sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
|
|
return spu_CreateSubpicture( p_stream->p_sys->p_spu );
|
|
}
|
|
|
|
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;
|
|
}
|