Use mpv_get_property_async instead of the non async version

This commit is contained in:
Malin E
2023-01-17 10:13:02 +01:00
parent 61824c1f7d
commit 2d78909ea2
2 changed files with 324 additions and 96 deletions

View File

@@ -240,7 +240,12 @@ void FfmpegTileProvider::update() {
// Double check the video duration
if (_videoDuration < 0.0) {
int result = mpv_get_property(_mpvHandle, "duration", MPV_FORMAT_DOUBLE, &_videoDuration);
int result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Duration),
"duration",
MPV_FORMAT_DOUBLE
);
if (!checkMpvError(result)) {
LWARNING("Could not find video duration");
return;
@@ -284,31 +289,39 @@ void FfmpegTileProvider::update() {
}
// Check if we have reached the end of the file
int hasReachedEnd;
int result = mpv_get_property(_mpvHandle, "eof-reached", MPV_FORMAT_FLAG, &hasReachedEnd);
int result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Eof),
"eof-reached",
MPV_FORMAT_FLAG
);
if (!checkMpvError(result)) {
LWARNING("Could not check if end of video reached");
}
if (hasReachedEnd > 0) {
if (_hasReachedEnd) {
LINFO("Reached end of video");
return;
}
double currentVideoTime;
result = mpv_get_property(_mpvHandle, "playback-time", MPV_FORMAT_DOUBLE, &currentVideoTime);
result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Time),
"playback-time",
MPV_FORMAT_DOUBLE
);
if (!checkMpvError(result)) {
LWARNING("Could not find current time in video");
}
if (currentVideoTime > _videoDuration || currentVideoTime < 0.0) {
if (_currentVideoTime > _videoDuration || _currentVideoTime < 0.0) {
LWARNING("Current time is outside range of video");
return;
}
LINFO(fmt::format(
"OS video time: {}, mpv current time: {}",
OSvideoTime, currentVideoTime
OSvideoTime, _currentVideoTime
));
// TODO: deal with backwards
@@ -318,19 +331,24 @@ void FfmpegTileProvider::update() {
}
// Check if we need to seek in the video
if (OSvideoTime - currentVideoTime > 2.0 * _frameTime) {
if (OSvideoTime - _currentVideoTime > 2.0 * _frameTime) {
LINFO(fmt::format(
"Seek needed OS curr: {}, video curr: {}",
OSvideoTime, currentVideoTime
OSvideoTime, _currentVideoTime
));
result = mpv_set_property(_mpvHandle, "playback-time", MPV_FORMAT_DOUBLE, &OSvideoTime);
result = mpv_set_property(
_mpvHandle,
"playback-time",
MPV_FORMAT_DOUBLE,
&OSvideoTime
);
if (!checkMpvError(result)) {
LWARNING("Could not seek in video");
}
}
// Check if it is time for a new frame
if (OSvideoTime - currentVideoTime < _frameTime) {
if (OSvideoTime - _currentVideoTime < _frameTime) {
if (_isWaiting) {
return;
}
@@ -385,7 +403,216 @@ void FfmpegTileProvider::update() {
*/
_tileIsReady = true;
_prevVideoTime = currentVideoTime;
_prevVideoTime = _currentVideoTime;
}
void FfmpegTileProvider::handleMpvProperties(mpv_event* event) {
switch (static_cast<LibmpvPropertyKey>(event->reply_userdata)) {
case LibmpvPropertyKey::Duration: {
if (!event->data) {
LERROR("Could not find duration property");
break;
}
struct mpv_event_property* property = (struct mpv_event_property*)event->data;
double* duration = static_cast<double*>(property->data);
if (!duration) {
LERROR("Could not find duration property");
break;
}
_videoDuration = *duration;
LINFO(fmt::format("Duration: {}", *duration));
break;
}
case LibmpvPropertyKey::Eof: {
if (!event->data) {
LERROR("Could not find eof property");
break;
}
struct mpv_event_property* property = (struct mpv_event_property*)event->data;
int* eof = static_cast<int*>(property->data);
if (!eof) {
LERROR("Could not find eof property");
break;
}
_hasReachedEnd = *eof > 0;
break;
}
case LibmpvPropertyKey::Height: {
if (!event->data) {
LERROR("Could not find height property");
break;
}
struct mpv_event_property* property = (struct mpv_event_property*)event->data;
int* height = static_cast<int*>(property->data);
if (!height) {
LERROR("Could not find height property");
break;
}
if (*height == _resolution.y) {
break;
}
LINFO(fmt::format("New height: {}", *height));
if (*height > 0) {
if (_resolution.x > 0 && _fbo > 0) {
resizeFBO(_resolution.x, *height);
}
else {
_resolution.y = *height;
}
}
else {
LERROR("Could not find height of video");
}
break;
}
case LibmpvPropertyKey::Meta: {
if (!event->data) {
LERROR("Could not find video parameters");
break;
}
mpv_node node;
int result = mpv_event_to_node(&node, event);
if (!checkMpvError(result)) {
LWARNING("Could not find video parameters of video");
}
if (node.format == MPV_FORMAT_NODE_MAP) {
for (int n = 0; n < node.u.list->num; n++) {
if (node.u.list->values[n].format == MPV_FORMAT_STRING) {
LINFO(node.u.list->values[n].u.string);
}
}
}
else {
LWARNING("No meta data could be read");
}
break;
}
case LibmpvPropertyKey::Params: {
if (!event->data) {
LERROR("Could not find video parameters");
break;
}
mpv_node videoParams;
int result = mpv_event_to_node(&videoParams, event);
if (!checkMpvError(result)) {
LWARNING("Could not find video parameters of video");
}
if (videoParams.format == MPV_FORMAT_NODE_ARRAY ||
videoParams.format == MPV_FORMAT_NODE_MAP)
{
mpv_node_list* list = videoParams.u.list;
mpv_node width, height;
bool foundWidth = false;
bool foundHeight = false;
for (int i = 0; i < list->num; ++i) {
if (foundWidth && foundHeight) {
break;
}
if (list->keys[i] == "w") {
width = list->values[i];
foundWidth = true;
}
else if (list->keys[i] == "h") {
height = list->values[i];
foundHeight = true;
}
}
if (!foundWidth || !foundHeight) {
LERROR("Could not find width or height params");
return;
}
int w = -1;
int h = -1;
if (width.format == MPV_FORMAT_INT64) {
w = width.u.int64;
}
if (height.format == MPV_FORMAT_INT64) {
h = height.u.int64;
}
if (w == -1 || h == -1) {
LERROR("Invalid width or height params");
return;
}
resizeFBO(w, h);
}
break;
}
case LibmpvPropertyKey::Time: {
if (!event->data) {
LERROR("Could not find playback time property");
break;
}
struct mpv_event_property* property = (struct mpv_event_property*)event->data;
double* time = static_cast<double*>(property->data);
if (!time) {
LERROR("Could not find playback time property");
break;
}
_currentVideoTime = *time;
break;
}
case LibmpvPropertyKey::Width: {
if (!event->data) {
LERROR("Could not find height property");
break;
}
struct mpv_event_property* property = (struct mpv_event_property*)event->data;
int* width = static_cast<int*>(property->data);
if (!width) {
LERROR("Could not find width property");
break;
}
if (*width == _resolution.y) {
break;
}
LINFO(fmt::format("New width: {}", *width));
if (*width > 0) {
if (_resolution.y > 0 && _fbo > 0) {
resizeFBO(*width, _resolution.y);
}
else {
_resolution.x = *width;
}
}
else {
LERROR("Could not find width of video");
}
break;
}
default: {
throw ghoul::MissingCaseException();
break;
}
}
}
void FfmpegTileProvider::handleMpvEvents() {
@@ -397,25 +624,27 @@ void FfmpegTileProvider::handleMpvEvents() {
switch (event->event_id) {
case MPV_EVENT_VIDEO_RECONFIG: {
// Retrieve the new video size.
int64_t w, h;
// Retrieve the new video size
// Get width
int result1 = mpv_get_property(_mpvHandle, "dwidth", MPV_FORMAT_INT64, &w);
int result1 = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Width),
"dwidth", MPV_FORMAT_INT64
);
if (!checkMpvError(result1)) {
LWARNING("Could not find new width of video");
}
// Get Height
int result2 = mpv_get_property(_mpvHandle, "dheight", MPV_FORMAT_INT64, &h);
int result2 = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Height),
"dheight",
MPV_FORMAT_INT64
);
if (!checkMpvError(result2)) {
LWARNING("Could not find new height of video");
}
// Resize FBO
if (result1 >= 0 && result2 >= 0 && w > 0 && h > 0) {
resizeFBO(static_cast<int>(w), static_cast<int>(h));
}
break;
}
case MPV_EVENT_PROPERTY_CHANGE: {
@@ -423,56 +652,16 @@ void FfmpegTileProvider::handleMpvEvents() {
if (strcmp(prop->name, "video-params") == 0 &&
prop->format == MPV_FORMAT_NODE)
{
mpv_node videoParams;
int result = mpv_get_property(_mpvHandle, "video-params", MPV_FORMAT_NODE, &videoParams);
int result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Params),
"video-params",
MPV_FORMAT_NODE
);
if (!checkMpvError(result)) {
LWARNING("Could not find video parameters");
return;
}
if (videoParams.format == MPV_FORMAT_NODE_ARRAY ||
videoParams.format == MPV_FORMAT_NODE_MAP)
{
mpv_node_list* list = videoParams.u.list;
mpv_node width, height;
bool foundWidth = false;
bool foundHeight = false;
for (int i = 0; i < list->num; ++i) {
if (foundWidth && foundHeight) {
break;
}
if (list->keys[i] == "w") {
width = list->values[i];
foundWidth = true;
}
else if (list->keys[i] == "h") {
height = list->values[i];
foundHeight = true;
}
}
if (!foundWidth || !foundHeight) {
LERROR("Could not find width or height params");
return;
}
int w = -1;
int h = -1;
if (width.format == MPV_FORMAT_INT64) {
w = width.u.int64;
}
if (height.format == MPV_FORMAT_INT64) {
h = height.u.int64;
}
if (w == -1 || h == -1) {
LERROR("Invalid width or height params");
return;
}
resizeFBO(w, h);
}
else {
LERROR("Invalid video-params");
return;
@@ -481,12 +670,24 @@ void FfmpegTileProvider::handleMpvEvents() {
break;
}
case MPV_EVENT_LOG_MESSAGE: {
struct mpv_event_log_message* msg = (struct mpv_event_log_message*)event->data;
struct mpv_event_log_message* msg =
(struct mpv_event_log_message*)event->data;
std::stringstream ss;
ss << "[" << msg->prefix << "] " << msg->level << ": " << msg->text;
LINFO(ss.str());
break;
}
case MPV_EVENT_GET_PROPERTY_REPLY: {
int result = event->error;
if (!checkMpvError(result)) {
LWARNING(fmt::format(
"Error while gettting property of type: {}", event->reply_userdata
));
break;
}
handleMpvProperties(event);
break;
}
default: {
// Ignore uninteresting or unknown events.
break;
@@ -536,11 +737,11 @@ void FfmpegTileProvider::internalInitialize() {
if (!checkMpvError(result)) {
LERROR("Could not initialize mpv");
return;
}
}
mpv_set_option_string(_mpvHandle, "terminal", "yes");
mpv_set_option_string(_mpvHandle, "msg-level", "all=v");
mpv_request_log_messages(_mpvHandle, "debug");
// Request log messages with level "info" or higher.
// They are received as MPV_EVENT_LOG_MESSAGE.
mpv_request_log_messages(_mpvHandle, "info");
@@ -582,43 +783,49 @@ void FfmpegTileProvider::internalInitialize() {
mpv_observe_property(_mpvHandle, 0, "video-params", MPV_FORMAT_NODE);
// Print meta data
mpv_node node;
mpv_get_property(_mpvHandle, "metadata", MPV_FORMAT_NODE, &node);
if (node.format == MPV_FORMAT_NODE_MAP) {
for (int n = 0; n < node.u.list->num; n++) {
if (node.u.list->values[n].format == MPV_FORMAT_STRING) {
LINFO(node.u.list->values[n].u.string);
}
}
}
else {
LWARNING("No meta data could be read");
result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Meta),
"metadata",
MPV_FORMAT_NODE
);
if (!checkMpvError(result)) {
LWARNING("Could not load meta data");
}
// Get resolution of video
int64_t width, height = 0;
result = mpv_get_property(_mpvHandle, "width", MPV_FORMAT_INT64, &width);
int result2 = mpv_get_property(_mpvHandle, "height", MPV_FORMAT_INT64, &height);
if (!checkMpvError(result) || !checkMpvError(result2))
{
LWARNING("Could not load video resolution");
}
result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Width),
"width", MPV_FORMAT_INT64
);
if (width > 0 && height > 0) {
_resolution = { width, height };
}
else {
LWARNING("Invalid video resolution");
int result2 = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Height),
"height",
MPV_FORMAT_INT64
);
if (!checkMpvError(result) || !checkMpvError(result2)) {
LWARNING("Could not load video resolution");
}
//Create FBO to render video into
createFBO(_resolution.x, _resolution.y);
// Find duration of video
result = mpv_get_property(_mpvHandle, "duration", MPV_FORMAT_DOUBLE, &_videoDuration);
result = mpv_get_property_async(
_mpvHandle,
static_cast<uint64_t>(LibmpvPropertyKey::Duration),
"duration",
MPV_FORMAT_DOUBLE
);
if (!checkMpvError(result)) {
LWARNING("Could not find video duration");
}
_videoDuration = 41.0;
// TODO: Find the estimated frame time of the video
@@ -628,6 +835,11 @@ void FfmpegTileProvider::internalInitialize() {
void FfmpegTileProvider::createFBO(int width, int height) {
LINFO(fmt::format("Creating new FBO with width: {} and height: {}", width, height));
if (width <= 0 || height <= 0) {
LERROR("Cannot create empty fbo");
return;
}
// Update resolution of video
_resolution = glm::ivec2(width, height);
@@ -672,6 +884,8 @@ void FfmpegTileProvider::createFBO(int width, int height) {
}
void FfmpegTileProvider::resizeFBO(int width, int height) {
LINFO(fmt::format("Resizing FBO with width: {} and height: {}", width, height));
if (width == _resolution.x && height == _resolution.y) {
return;
}

View File

@@ -60,6 +60,7 @@ public:
private:
void createFBO(int width, int height);
void resizeFBO(int width, int height);
void handleMpvProperties(mpv_event* event);
void handleMpvEvents();
void internalInitialize() override final;
@@ -78,8 +79,10 @@ private:
double _startJ200Time = 0.0;
double _endJ200Time = 0.0;
double _videoDuration = -1.0;
double _currentVideoTime = 0.0;
double _prevVideoTime = 0.0;
double _frameTime = 1.0 / 24.0;
bool _hasReachedEnd = false;
bool _tileIsReady = false;
bool _isInitialized = false;
bool _isWaiting = false;
@@ -91,6 +94,17 @@ private:
ghoul::opengl::Texture* _frameTexture = nullptr;
GLuint _fbo = 0;
TileTextureInitData::HashKey _frameTextureHashKey;
// libmpv property keys
enum class LibmpvPropertyKey : uint64_t {
Duration = 1,
Eof,
Height,
Meta,
Params,
Time,
Width
};
};
} // namespace openspace::globebrowsing