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more log improvements

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This commit is contained in:
Avi Zimmerman
2021-01-07 02:26:30 +02:00
parent 8ff68fb176
commit 34eb969053
6 changed files with 50 additions and 17 deletions
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22
examples/plugins/filesrc/filesrc.go
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@@ -109,6 +109,7 @@ func (f *fileSrc) setLocation(path string) error {
// gst.GoElement implementation. Here we simply create a new fileSrc with zeroed settings
// and state objects.
func (f *fileSrc) New() gst.GoElement {
CAT.Log(gst.LevelDebug, "Initializing new fileSrc object")
return &fileSrc{
settings: &settings{},
state: &state{},
@@ -118,12 +119,14 @@ func (f *fileSrc) New() gst.GoElement {
// The TypeInit method should register any additional interfaces provided by the element.
// In this example we signal to the type system that we also implement the GstURIHandler interface.
func (f *fileSrc) TypeInit(instance *gst.TypeInstance) {
CAT.Log(gst.LevelDebug, "Adding URIHandler interface to type")
instance.AddInterface(gst.InterfaceURIHandler)
}
// The ClassInit method should specify the metadata for this element and add any pad templates
// and properties.
func (f *fileSrc) ClassInit(klass *gst.ElementClass) {
CAT.Log(gst.LevelDebug, "Initializing gofilesrc class")
klass.SetMetadata(
"File Source",
"Source/File",
@@ -137,6 +140,7 @@ func (f *fileSrc) ClassInit(klass *gst.ElementClass) {
gst.PadPresenceAlways,
caps,
)
CAT.Log(gst.LevelDebug, "Adding src pad template and properties to class")
klass.AddPadTemplate(srcPadTemplate)
klass.InstallProperties(properties)
}
@@ -164,7 +168,7 @@ func (f *fileSrc) SetProperty(self *gst.Object, id uint, value *glib.Value) {
err.Error(),
)
}
self.Log(CAT, gst.LevelInfo, fmt.Sprintf("Set location to %s", f.settings.location))
self.Log(CAT, gst.LevelInfo, fmt.Sprintf("Set `location` to %s", f.settings.location))
}
}
@@ -181,7 +185,7 @@ func (f *fileSrc) GetProperty(self *gst.Object, id uint) *glib.Value {
if err == nil {
return val
}
gst.ToElement(self).ErrorMessage(gst.DomainLibrary, gst.LibraryErrorSettings,
gst.ToElement(self).ErrorMessage(gst.DomainLibrary, gst.LibraryErrorFailed,
fmt.Sprintf("Could not convert %s to GValue", f.settings.location),
err.Error(),
)
@@ -193,6 +197,7 @@ func (f *fileSrc) GetProperty(self *gst.Object, id uint) *glib.Value {
// during the initialization process can be performed here. In this example, we set the format on our
// underlying GstBaseSrc to bytes.
func (f *fileSrc) Constructed(self *gst.Object) {
self.Log(CAT, gst.LevelDebug, "Setting format of GstBaseSrc to bytes")
base.ToGstBaseSrc(self).SetFormat(gst.FormatBytes)
}
@@ -216,6 +221,7 @@ func (f *fileSrc) GetSize(self *base.GstBaseSrc) (bool, int64) {
)
return false, 0
}
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("file stat - name: %s size: %d mode: %v modtime: %v", stat.Name(), stat.Size(), stat.Mode(), stat.ModTime()))
return true, stat.Size()
}
@@ -233,6 +239,7 @@ func (f *fileSrc) Start(self *base.GstBaseSrc) bool {
}
var err error
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Opening file %s for reading", f.settings.location))
f.state.file, err = os.OpenFile(f.settings.location, syscall.O_RDONLY, 0444)
if err != nil {
self.ErrorMessage(gst.DomainResource, gst.ResourceErrorOpenRead,
@@ -245,7 +252,7 @@ func (f *fileSrc) Start(self *base.GstBaseSrc) bool {
self.StartComplete(gst.FlowOK)
self.Log(CAT, gst.LevelInfo, "Started")
self.Log(CAT, gst.LevelInfo, "GoFileSrc has started")
return true
}
@@ -265,7 +272,7 @@ func (f *fileSrc) Stop(self *base.GstBaseSrc) bool {
f.state.position = 0
f.state.started = false
self.Log(CAT, gst.LevelInfo, "Stopped")
self.Log(CAT, gst.LevelInfo, "GoFileSrc has stopped")
return true
}
@@ -278,7 +285,10 @@ func (f *fileSrc) Fill(self *base.GstBaseSrc, offset uint64, size uint, buffer *
return gst.FlowError
}
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Request to fill buffer from offset %v with size %v", offset, size))
if f.state.position != offset {
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Seeking to new position at offset %v from previous position at offset %v", offset, f.state.position))
if _, err := f.state.file.Seek(int64(offset), 0); err != nil {
self.ErrorMessage(gst.DomainResource, gst.ResourceErrorSeek,
fmt.Sprintf("Failed to seek to %d in file", offset), err.Error())
@@ -287,6 +297,7 @@ func (f *fileSrc) Fill(self *base.GstBaseSrc, offset uint64, size uint, buffer *
f.state.position = offset
}
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Reading %v bytes from file at offset %v", size, f.state.position))
out := make([]byte, int(size))
if _, err := f.state.file.Read(out); err != nil && err != io.EOF {
self.ErrorMessage(gst.DomainResource, gst.ResourceErrorRead,
@@ -295,7 +306,9 @@ func (f *fileSrc) Fill(self *base.GstBaseSrc, offset uint64, size uint, buffer *
}
f.state.position = f.state.position + uint64(size)
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Incremented current position to %v", f.state.position))
self.Log(CAT, gst.LevelDebug, fmt.Sprintf("Writing data from file to buffer"))
bufmap := buffer.Map(gst.MapWrite)
if bufmap == nil {
self.ErrorMessage(gst.DomainLibrary, gst.LibraryErrorFailed, "Failed to map buffer", "")
@@ -329,5 +342,6 @@ func (f *fileSrc) SetURI(uri string) (bool, error) {
if err != nil {
return false, err
}
CAT.Log(gst.LevelInfo, fmt.Sprintf("Set `location` to %s via URIHandler", f.settings.location))
return true, nil
}