/*****************************************************************************
* sdiout.cpp: SDI sout module for vlc
*****************************************************************************
* Copyright © 2014-2016 VideoLAN and VideoLAN Authors
* 2018 VideoLabs
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "sdiout.hpp"
#include "DBMSDIOutput.hpp"
#include <vlc_common.h>
#include <vlc_sout.h>
#include <vlc_plugin.h>
#define NOSIGNAL_INDEX_TEXT N_("Timelength after which we assume there is no signal.")
#define NOSIGNAL_INDEX_LONGTEXT N_(\
"Timelength after which we assume there is no signal.\n"\
"After this delay we black out the video."\
)
#define AFD_INDEX_TEXT N_("Active Format Descriptor value")
#define AR_INDEX_TEXT N_("Aspect Ratio")
#define AR_INDEX_LONGTEXT N_("Aspect Ratio of the source picture.")
#define AFDLINE_INDEX_TEXT N_("Active Format Descriptor line")
#define AFDLINE_INDEX_LONGTEXT N_("VBI line on which to output Active Format Descriptor.")
#define NOSIGNAL_IMAGE_TEXT N_("Picture to display on input signal loss")
#define CARD_INDEX_TEXT N_("Output card")
#define CARD_INDEX_LONGTEXT N_(\
"DeckLink output card, if multiple exist. " \
"The cards are numbered from 0.")
#define MODE_TEXT N_("Desired output mode")
#define MODE_LONGTEXT N_(\
"Desired output mode for DeckLink output. " \
"This value should be a FOURCC code in textual " \
"form, e.g. \"ntsc\".")
#define CHANNELS_TEXT N_("Number of audio channels")
#define CHANNELS_LONGTEXT N_(\
"Number of output channels for DeckLink output. " \
"Must be 2, 8 or 16. 0 disables audio output.")
#define VIDEO_CONNECTION_TEXT N_("Video connection")
#define VIDEO_CONNECTION_LONGTEXT N_(\
"Video connection for DeckLink output.")
#define VIDEO_TENBITS_TEXT N_("10 bits")
#define VIDEO_TENBITS_LONGTEXT N_(\
"Use 10 bits per pixel for video frames.")
#define AUDIO_TEXT "Audio channels configuration (Default, single, auto)"
#define AUDIO_LONGTEXT "Configuration string SEL{CHANS} tokens, ':' separated. " \
"SEL selectors being #145 for ES id 145, or 1 for second created ES. " \
"CHANS being {n,n+1,..} channels to subframe mapping. " \
"{chans=6} shortcut to request 6 channels in same order. " \
"{embed} to request compressed passthrough in PCM (hack). " \
"Use 'only' to accept only declared ES. " \
"ex: only:#145{0,1}:#142{2,3}:2{chans=6} "
/* Video Connections */
static const char *const ppsz_videoconns[] = {
"sdi",
"hdmi",
"opticalsdi",
"component",
"composite",
"svideo"
};
static const char *const ppsz_videoconns_text[] = {
N_("SDI"),
N_("HDMI"),
N_("Optical SDI"),
N_("Component"),
N_("Composite"),
N_("S-video"),
};
static const int rgi_afd_values[] = {
0, 2, 3, 4, 8, 9, 10, 11, 13, 14, 15,
};
static const char * const rgsz_afd_text[] = {
/* Note: Skip further translation - too technical */
N_("Undefined"),
"Box 16:9 (top aligned)",
"Box 14:9 (top aligned)",
"Box > 16:9 (centre aligned)",
"Same as coded frame (full frame)",
"4:3 (centre aligned)",
"16:9 (centre aligned)",
"14:9 (centre aligned)",
"4:3 (with shoot and protect 14:9 centre)",
"16:9 (with shoot and protect 14:9 centre)",
"16:9 (with shoot and protect 4:3 centre)",
};
static_assert(ARRAY_SIZE(rgi_afd_values) == ARRAY_SIZE(rgsz_afd_text), "afd arrays messed up");
static const int rgi_ar_values[] = {
0, 1,
};
static const char * const rgsz_ar_text[] = {
"0: 4:3",
"1: 16:9",
};
static_assert(ARRAY_SIZE(rgi_ar_values) == ARRAY_SIZE(rgsz_ar_text), "afd arrays messed up");
/*****************************************************************************
* Sout callbacks
*****************************************************************************/
static void *SoutCallback_Add(sout_stream_t *p_stream,
const es_format_t *fmt,
const char *)
{
auto *me = reinterpret_cast<sdi_sout::SDIOutput *>(p_stream->p_sys);
return me->Add(fmt);
}
static void SoutCallback_Del(sout_stream_t *p_stream, void *id)
{
auto *me = reinterpret_cast<sdi_sout::SDIOutput *>(p_stream->p_sys);
me->Del(reinterpret_cast<sdi_sout::AbstractStream *>(id));
}
static int SoutCallback_Send(sout_stream_t *p_stream, void *id, block_t *p_block)
{
auto *me = reinterpret_cast<sdi_sout::SDIOutput *>(p_stream->p_sys);
return me->Send(reinterpret_cast<sdi_sout::AbstractStream *>(id), p_block);
}
static int SoutCallback_Control(sout_stream_t *p_stream, int query, va_list args)
{
auto *me = reinterpret_cast<sdi_sout::SDIOutput *>(p_stream->p_sys);
return me->Control(query, args);
}
static void SoutCallback_Flush(sout_stream_t *, void *id)
{
reinterpret_cast<sdi_sout::AbstractStream *>(id)->Flush();
}
static void SoutCallback_Close(sout_stream_t *p_stream)
{
sdi_sout::DBMSDIOutput *sdi =
reinterpret_cast<sdi_sout::DBMSDIOutput *>(p_stream->p_sys);
sdi->Process(); /* Drain */
delete sdi;
}
static const sout_stream_operations ops = [] {
sout_stream_operations ops{};
ops.add = SoutCallback_Add;
ops.del = SoutCallback_Del;
ops.send = SoutCallback_Send;
ops.flush = SoutCallback_Flush;
ops.control = SoutCallback_Control;
ops.close = SoutCallback_Close;
return ops;
}();
static int OpenSDIOutput(vlc_object_t *p_this)
{
sout_stream_t *p_stream = reinterpret_cast<sout_stream_t*>(p_this);
sdi_sout::DBMSDIOutput *output = new sdi_sout::DBMSDIOutput(p_stream);
if(output->Open() != VLC_SUCCESS && !FAKE_DRIVER)
{
delete output;
return VLC_EGENERIC;
}
p_stream->p_sys = output;
p_stream->ops = &ops;
return VLC_SUCCESS;
}
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin ()
set_shortname(N_("SDI output"))
set_description(N_("SDI stream output"))
set_capability("sout output", 0)
add_shortcut("sdiout")
set_subcategory(SUBCAT_SOUT_STREAM)
set_callback(OpenSDIOutput)
set_section(N_("DeckLink General Options"), NULL)
add_integer(CFG_PREFIX "card-index", 0,
CARD_INDEX_TEXT, CARD_INDEX_LONGTEXT)
set_section(N_("DeckLink Video Options"), NULL)
add_string(CFG_PREFIX "video-connection", "sdi",
VIDEO_CONNECTION_TEXT, VIDEO_CONNECTION_LONGTEXT)
change_string_list(ppsz_videoconns, ppsz_videoconns_text)
add_string(CFG_PREFIX "mode", "",
MODE_TEXT, MODE_LONGTEXT)
add_bool(CFG_PREFIX "tenbits", true,
VIDEO_TENBITS_TEXT, VIDEO_TENBITS_LONGTEXT)
add_integer(CFG_PREFIX "nosignal-delay", 5,
NOSIGNAL_INDEX_TEXT, NOSIGNAL_INDEX_LONGTEXT)
add_integer(CFG_PREFIX "afd-line", 16,
AFDLINE_INDEX_TEXT, AFDLINE_INDEX_LONGTEXT)
add_integer_with_range(CFG_PREFIX "afd", 8, 0, 16,
AFD_INDEX_TEXT, nullptr)
change_integer_list(rgi_afd_values, rgsz_afd_text)
add_integer_with_range(CFG_PREFIX "ar", 1, 0, 1,
AR_INDEX_TEXT, AR_INDEX_LONGTEXT)
change_integer_list(rgi_ar_values, rgsz_ar_text)
add_loadfile(CFG_PREFIX "nosignal-image", NULL,
NOSIGNAL_IMAGE_TEXT, nullptr)
set_section(N_("DeckLink Audio Options"), NULL)
add_integer_with_range(CFG_PREFIX "channels", 2, 0, 16,
CHANNELS_TEXT, CHANNELS_LONGTEXT)
add_string(CFG_PREFIX "audio", "", AUDIO_TEXT, AUDIO_LONGTEXT)
vlc_module_end ()
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