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ardour/gtk2_ardour/video_monitor.cc

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/*
* Copyright (C) 2013-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2013-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2013 John Emmas <john@creativepost.co.uk>
*
* 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.
*/
#include <cstdio>
#include "pbd/file_utils.h"
#include "pbd/convert.h"
#include "ardour/filesystem_paths.h"
#include "gui_thread.h"
#include "timers.h"
#include "utils.h"
#include "public_editor.h"
#include "editor.h"
#include "video_monitor.h"
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR_UI_UTILS;
VideoMonitor::VideoMonitor (PublicEditor *ed, std::string xjadeo_bin_path)
: editor (ed)
{
manually_seeked_frame = 0;
fps =0.0; // = _session->timecode_frames_per_second();
sync_by_manual_seek = true;
_restore_settings_mask = 0;
clock_connection = sigc::connection();
state_connection = sigc::connection();
debug_enable = false;
state_clk_divide = 0;
starting = 0;
osdmode = 10; // 1: frameno, 2: timecode, 8: box
process = new ARDOUR::SystemExec (xjadeo_bin_path, X_("-R -J"), true);
process->ReadStdout.connect_same_thread (*this, boost::bind (&VideoMonitor::parse_output, this, _1 ,_2));
process->Terminated.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::terminated, this), gui_context());
XJKeyEvent.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::forward_keyevent, this, _1), gui_context());
}
VideoMonitor::~VideoMonitor ()
{
clock_connection.disconnect();
state_connection.disconnect();
delete process;
}
bool
VideoMonitor::start ()
{
if (is_started()) {
return true;
}
manually_seeked_frame = 0;
sync_by_manual_seek = false;
if (clock_connection.connected()) { clock_connection.disconnect(); }
if (process->start (debug_enable ? SystemExec::MergeWithStdin : SystemExec::IgnoreAndClose)) {
return false;
}
return true;
}
void
VideoMonitor::query_full_state (bool wait)
{
knownstate = 0;
process->write_to_stdin("get windowsize\n");
process->write_to_stdin("get windowpos\n");
process->write_to_stdin("get letterbox\n");
process->write_to_stdin("get fullscreen\n");
process->write_to_stdin("get ontop\n");
process->write_to_stdin("get offset\n");
process->write_to_stdin("get osdcfg\n");
int timeout = 40;
if (wait && knownstate !=127 && --timeout) {
Glib::usleep(50000);
sched_yield();
}
}
void
VideoMonitor::quit ()
{
if (!is_started()) return;
if (state_connection.connected()) { state_connection.disconnect(); }
if (clock_connection.connected()) { clock_connection.disconnect(); }
query_full_state(true);
process->write_to_stdin("quit\n");
/* the 'quit' command should result in process termination
* but in case it fails (communication failure, SIGSTOP, ??)
* here's a timeout..
*/
int timeout = 40;
while (is_started() && --timeout) {
Glib::usleep(50000);
sched_yield();
}
if (timeout <= 0) {
process->terminate();
}
}
void
VideoMonitor::open (std::string filename)
{
if (!is_started()) return;
manually_seeked_frame = 0;
osdmode = 10; // 1: frameno, 2: timecode, 8: box
starting = 15;
std::string ardour_mono_file;
if (find_file (ARDOUR::ardour_data_search_path(), "ArdourMono.ttf", ardour_mono_file)) {
process->write_to_stdin("osd font "+ ardour_mono_file +"\n");
}
process->write_to_stdin("load " + filename + "\n");
process->write_to_stdin("set fps -1\n");
process->write_to_stdin("window resize 100%\n");
process->write_to_stdin("window ontop on\n");
process->write_to_stdin("set seekmode 1\n");
/* override bitwise flags -- see xjadeo.h
* 0x0001 : ignore 'q', ESC / quit
* 0x0002 : ignore "window closed by WM" / quit
* 0x0004 : (osx only) menu-exit / quit
* 0x0008 : ignore mouse-button 1 -- resize
* 0x0010 : no A/V offset control with keyboard
* 0x0020 : don't use jack-session
* 0x0040 : disable jack transport control
* 0x0080 : disallow sync source change (OSX menu)
* 0x0100 : disallow file open (OSX menu, X11 DnD)
*/
process->write_to_stdin("set override 504\n");
process->write_to_stdin("notify keyboard\n");
process->write_to_stdin("notify settings\n");
process->write_to_stdin("window letterbox on\n");
process->write_to_stdin("osd mode 10\n");
for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
if (skip_setting(it->first)) { continue; }
process->write_to_stdin(it->first + " " + it->second + "\n");
}
if (!state_connection.connected()) {
starting = 15;
querystate();
state_clk_divide = 0;
/* TODO once every two second or so -- state_clk_divide hack below */
state_connection = Timers::rapid_connect (sigc::mem_fun (*this, &VideoMonitor::querystate));
}
sync_by_manual_seek = true;
clock_connection = Timers::fps_connect (sigc::mem_fun (*this, &VideoMonitor::srsupdate));
xjadeo_sync_setup();
}
void
VideoMonitor::querystate ()
{
/* clock-divider hack -- RapidScreenUpdate == every_point_one_seconds */
state_clk_divide = (state_clk_divide + 1) % 300; // 30 secs
if (state_clk_divide == 0) {
// every 30 seconds
query_full_state(false);
return;
}
if (state_clk_divide%25 != 0) {
return;
}
// every 2.5 seconds:
process->write_to_stdin("get fullscreen\n");
process->write_to_stdin("get ontop\n");
process->write_to_stdin("get osdcfg\n");
process->write_to_stdin("get letterbox\n");
}
bool
VideoMonitor::skip_setting (std::string which)
{
if (_restore_settings_mask & XJ_OSD && which == "osd mode") { return true; }
if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
if (_restore_settings_mask & XJ_WINDOW_SIZE && which == "window size") { return true; }
if (_restore_settings_mask & XJ_WINDOW_POS && which == "window xy") { return true; }
if (_restore_settings_mask & XJ_WINDOW_ONTOP && which == "window ontop") { return true; }
if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
if (_restore_settings_mask & XJ_OFFSET && which == "set offset") { return true; }
if (_restore_settings_mask & XJ_FULLSCREEN && which == "window zoom") { return true; }
return false;
}
void
VideoMonitor::send_cmd (int what, int param)
{
bool osd_update = false;
int prev_osdmode = osdmode;
if (!is_started()) return;
switch (what) {
case 1:
if (param) process->write_to_stdin("window ontop on\n");
else process->write_to_stdin("window ontop off\n");
break;
case 2:
if (param) osdmode |= 2;
else osdmode &= ~2;
osd_update = (prev_osdmode != osdmode);
break;
case 3:
if (param) osdmode |= 1;
else osdmode &= ~1;
osd_update = (prev_osdmode != osdmode);
break;
case 4:
if (param) osdmode |= 8;
else osdmode &= ~8;
osd_update = (prev_osdmode != osdmode);
break;
case 5:
if (param) process->write_to_stdin("window zoom on\n");
else process->write_to_stdin("window zoom off\n");
break;
case 6:
if (param) process->write_to_stdin("window letterbox on\n");
else process->write_to_stdin("window letterbox off\n");
break;
case 7:
process->write_to_stdin("window resize 100%");
break;
default:
break;
}
if (osd_update) {
std::ostringstream osstream; osstream << "osd mode " << osdmode << "\n";
process->write_to_stdin(osstream.str());
}
}
bool
VideoMonitor::is_started ()
{
return process->is_running();
}
void
VideoMonitor::forward_keyevent (unsigned int keyval)
{
emulate_key_event (keyval);
}
void
VideoMonitor::parse_output (std::string d, size_t /*s*/)
{
std::string line = d;
std::string::size_type start = 0;
std::string::size_type end = 0;
while (1) {
end = d.find('\n', start);
if (end == std::string::npos) break;
line = d.substr(start,end-start);
start=end+1;
if (line.length() <4 || line.at(0)!='@') continue;
#if 1 /* DEBUG */
if (debug_enable) {
printf("xjadeo: '%s'\n", line.c_str());
}
#endif
int status = atoi(line.substr(1,3));
switch(status / 100) {
case 4: /* errors */
if (status == 403) {
PBD::warning << _("Video Monitor: File Not Found.") << endmsg;
/* check: we should only write from the main thread.
* However it should not matter for 'quit'.
*/
process->write_to_stdin("quit\n");
}
#ifdef DEBUG_XJCOM
else
printf("xjadeo: error '%s'\n", line.c_str());
#endif
break;
case 3: /* async notifications */
{
std::string::size_type equalsign = line.find('=');
std::string::size_type comment = line.find('#');
if (comment != std::string::npos) { line = line.substr(0,comment); }
if (equalsign != std::string::npos) {
std::string key = line.substr(5, equalsign - 5);
std::string value = line.substr(equalsign + 1);
if (status == 310 && key=="keypress") {
/* keyboard event */
XJKeyEvent((unsigned int)atoi(value));
}
#ifdef DEBUG_XJCOM
else {
std::string msg = line.substr(5);
printf("xjadeo: async '%s' -> '%s'\n", key, value);
}
#endif
}
#ifdef DEBUG_XJCOM
else {
std::string msg = line.substr(5);
printf("xjadeo: async '%s'\n", msg.c_str());
}
#endif
} break;
case 1: /* text messages - command reply */
break;
case 8: /* comments / info for humans */
break;
case 2:
/* replies:
* 201: var=<int>
* 202: var=<double>
* 210: var=<int>x<int>
* 220: var=<string>
* 228: var=<smpte-string>
*/
{
std::string::size_type equalsign = line.find('=');
std::string::size_type comment = line.find('#');
if (comment != std::string::npos) { line = line.substr(0,comment); }
if (equalsign != std::string::npos) {
std::string key = line.substr(5, equalsign - 5);
std::string value = line.substr(equalsign + 1);
#if 0 /* DEBUG */
std::cout << "parsed: " << key << " => " << value << std::endl;
#endif
if (key == "windowpos") {
knownstate |= 16;
if (xjadeo_settings["window xy"] != value) {
if (!starting && _session) _session->set_dirty ();
}
xjadeo_settings["window xy"] = value;
} else if(key == "windowsize") {
knownstate |= 32;
if (xjadeo_settings["window size"] != value) {
if (!starting && _session) _session->set_dirty ();
}
xjadeo_settings["window size"] = value;
} else if(key == "windowontop") {
knownstate |= 2;
if (starting || xjadeo_settings["window ontop"] != value) {
if (!starting && _session) _session->set_dirty ();
if (atoi(value)) { UiState("xjadeo-window-ontop-on"); }
else { UiState("xjadeo-window-ontop-off"); }
starting &= ~2;
}
xjadeo_settings["window ontop"] = value;
} else if(key == "fullscreen") {
knownstate |= 4;
if (starting || xjadeo_settings["window zoom"] != value) {
if (!starting && _session) _session->set_dirty ();
if (atoi(value)) { UiState("xjadeo-window-fullscreen-on"); }
else { UiState("xjadeo-window-fullscreen-off"); }
starting &= ~4;
}
xjadeo_settings["window zoom"] = value;
} else if(key == "letterbox") {
knownstate |= 8;
if (starting || xjadeo_settings["window letterbox"] != value) {
if (!starting && _session) _session->set_dirty ();
if (atoi(value)) { UiState("xjadeo-window-letterbox-on"); }
else { UiState("xjadeo-window-letterbox-off"); }
starting &= ~8;
}
xjadeo_settings["window letterbox"] = value;
} else if(key == "osdmode") {
knownstate |= 1;
osdmode = atoi(value) & ~0x40;
if (starting || atoi(xjadeo_settings["osd mode"]) != osdmode) {
if (!starting && _session) _session->set_dirty ();
if ((osdmode & 1) == 1) { UiState("xjadeo-window-osd-frame-on"); }
if ((osdmode & 1) == 0) { UiState("xjadeo-window-osd-frame-off"); }
if ((osdmode & 2) == 2) { UiState("xjadeo-window-osd-timecode-on"); }
if ((osdmode & 2) == 0) { UiState("xjadeo-window-osd-timecode-off"); }
if ((osdmode & 8) == 8) { UiState("xjadeo-window-osd-box-on"); }
if ((osdmode & 8) == 0) { UiState("xjadeo-window-osd-box-off"); }
}
starting &= ~1;
xjadeo_settings["osd mode"] = value;
} else if(key == "offset") {
knownstate |= 64;
if (xjadeo_settings["set offset"] != value) {
if (!starting && _session) _session->set_dirty ();
}
xjadeo_settings["set offset"] = value;
#ifdef DEBUG_XJCOM
} else {
printf("xjadeo: '%s' -> '%s'\n", key.c_str(), value.c_str());
#endif
}
}
}
break;
default:
break;
}
}
}
void
VideoMonitor::terminated ()
{
process->terminate(); // from gui-context clean up
Terminated();
}
void
VideoMonitor::save_session ()
{
if (!_session) { return; }
XMLNode* node = _session->extra_xml (X_("XJSettings"), true);
if (!node) return;
node->remove_nodes_and_delete("XJSetting");
for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
XMLNode* child = node->add_child (X_("XJSetting"));
child->set_property (X_("k"), it->first);
child->set_property (X_("v"), it->second);
}
}
void
VideoMonitor::set_session (ARDOUR::Session *s)
{
SessionHandlePtr::set_session (s);
if (!_session) { return; }
ARDOUR::Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoMonitor::parameter_changed, this, _1), gui_context());
_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoMonitor::parameter_changed, this, _1), gui_context());
XMLNode* node = _session->extra_xml (X_("XJSettings"));
if (!node) { return;}
xjadeo_settings.clear();
XMLNodeList nlist = node->children();
XMLNodeConstIterator niter;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
xjadeo_settings[(*niter)->property(X_("k"))->value()] = (*niter)->property(X_("v"))->value();
}
}
bool
VideoMonitor::set_custom_setting (const std::string k, const std::string v)
{
xjadeo_settings[k] = v;
return true; /* TODO: check if key is valid */
}
const std::string
VideoMonitor::get_custom_setting (const std::string k)
{
return (xjadeo_settings[k]);
}
#define NO_OFFSET (Temporal::max_samplepos) //< skip setting or modifying offset
void
VideoMonitor::srsupdate ()
{
if (!_session || _session->locate_initiated ()) { return; }
if (editor->dragging_playhead() || editor->preview_video_drag_active() || editor->pending_locate_request ()) {
return;
}
manual_seek(_session->audible_sample(), false, NO_OFFSET);
}
void
VideoMonitor::set_offset (ARDOUR::sampleoffset_t offset)
{
if (!is_started()) { return; }
if (!_session) { return; }
if (offset == NO_OFFSET ) { return; }
samplecnt_t video_frame_offset;
samplecnt_t audio_sample_rate;
if (_session->config.get_videotimeline_pullup()) {
audio_sample_rate = _session->sample_rate();
} else {
audio_sample_rate = _session->nominal_sample_rate();
}
/* Note: pull-up/down are applied here: sample_rate() vs. nominal_sample_rate() */
if (_session->config.get_use_video_file_fps()) {
video_frame_offset = floor(offset * fps / audio_sample_rate);
} else {
video_frame_offset = floor(offset * _session->timecode_frames_per_second() / audio_sample_rate);
}
if (video_offset == video_frame_offset) { return; }
video_offset = video_frame_offset;
std::ostringstream osstream1; osstream1 << -1 * video_frame_offset;
process->write_to_stdin("set offset " + osstream1.str() + "\n");
}
void
VideoMonitor::manual_seek (samplepos_t when, bool /*force*/, ARDOUR::sampleoffset_t offset)
{
if (!is_started()) { return; }
if (!_session) { return; }
samplecnt_t video_frame;
samplecnt_t audio_sample_rate;
if (_session->config.get_videotimeline_pullup()) {
audio_sample_rate = _session->sample_rate();
} else {
audio_sample_rate = _session->nominal_sample_rate();
}
/* Note: pull-up/down are applied here: sample_rate() vs. nominal_sample_rate() */
if (_session->config.get_use_video_file_fps()) {
video_frame = floor(when * fps / audio_sample_rate);
} else {
video_frame = floor(when * _session->timecode_frames_per_second() / audio_sample_rate);
}
if (video_frame < 0 ) video_frame = 0;
if (video_frame == manually_seeked_frame) { return; }
manually_seeked_frame = video_frame;
#if 0 /* DEBUG */
std::cout <<"seek: " << video_frame << std::endl;
#endif
std::ostringstream osstream; osstream << video_frame;
process->write_to_stdin("seek " + osstream.str() + "\n");
set_offset(offset);
}
void
VideoMonitor::parameter_changed (std::string const & p)
{
if (!is_started()) { return; }
if (!_session) { return; }
if (p != "external-sync" && p != "sync-source") {
return;
}
xjadeo_sync_setup();
}
void
VideoMonitor::xjadeo_sync_setup ()
{
if (!is_started()) { return; }
if (!_session) { return; }
bool my_manual_seek = true;
if (_session->synced_to_engine ()) {
my_manual_seek = false;
}
if (my_manual_seek != sync_by_manual_seek) {
if (sync_by_manual_seek) {
if (clock_connection.connected()) {
clock_connection.disconnect();
}
process->write_to_stdin("jack connect\n");
} else {
process->write_to_stdin("jack disconnect\n");
clock_connection = Timers::fps_connect (sigc::mem_fun (*this, &VideoMonitor::srsupdate));
}
sync_by_manual_seek = my_manual_seek;
}
}
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