A UserDataAudioCursor is a means to manually supply a sequence of raw audio samples. More...
#include "userDataAudioCursor.h"
Public Member Functions | |
UserDataAudioCursor (UserDataAudio *src) | |
virtual TypeHandle | force_init_type () |
virtual TypeHandle | get_type () const |
virtual void | read_samples (int n, int16_t *data) |
Read audio samples from the stream. More... | |
virtual int | ready () const |
Returns the number of audio samples ready to be read. More... | |
virtual void | seek (double offset) |
Set the offset if possible. More... | |
Public Member Functions inherited from MovieAudioCursor | |
MovieAudioCursor (MovieAudio *src) | |
This constructor returns a null audio stream — a stream of total silence, at 8000 samples per second. More... | |
bool | aborted () const |
int | audio_channels () const |
int | audio_rate () const |
bool | can_seek () const |
bool | can_seek_fast () const |
double | length () const |
PT (MovieAudio) get_source() const | |
void | read_samples (int n, Datagram *dg) |
Read audio samples from the stream into a Datagram. More... | |
std::string | read_samples (int n) |
Read audio samples from the stream and returns them as a string. More... | |
void | skip_samples (int n) |
double | tell () const |
Public Member Functions inherited from TypedWritableReferenceCount | |
TypedWritableReferenceCount (const TypedWritableReferenceCount ©) | |
virtual ReferenceCount * | as_reference_count () |
Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. More... | |
void | operator= (const TypedWritableReferenceCount ©) |
Public Member Functions inherited from TypedWritable | |
TypedWritable (const TypedWritable ©) | |
virtual int | complete_pointers (TypedWritable **p_list, BamReader *manager) |
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). More... | |
vector_uchar | encode_to_bam_stream () const |
Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object. More... | |
bool | encode_to_bam_stream (vector_uchar &data, BamWriter *writer=nullptr) const |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More... | |
virtual void | fillin (DatagramIterator &scan, BamReader *manager) |
This internal function is intended to be called by each class's make_from_bam() method to read in all of the relevant data from the BamFile for the new object. More... | |
virtual void | finalize (BamReader *manager) |
Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed. More... | |
UpdateSeq | get_bam_modified () const |
Returns the current bam_modified counter. More... | |
void | mark_bam_modified () |
Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More... | |
void | operator= (const TypedWritable ©) |
virtual bool | require_fully_complete () const |
Some objects require all of their nested pointers to have been completed before the objects themselves can be completed. More... | |
virtual void | update_bam_nested (BamWriter *manager) |
Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates. More... | |
virtual void | write_datagram (BamWriter *manager, Datagram &dg) |
Writes the contents of this object to the datagram for shipping out to a Bam file. More... | |
Public Member Functions inherited from TypedObject | |
TypedObject (const TypedObject ©)=default | |
TypedObject * | as_typed_object () |
Returns the object, upcast (if necessary) to a TypedObject pointer. More... | |
const TypedObject * | as_typed_object () const |
Returns the object, upcast (if necessary) to a TypedObject pointer. More... | |
int | get_best_parent_from_Set (const std::set< int > &) const |
int | get_type_index () const |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More... | |
bool | is_exact_type (TypeHandle handle) const |
Returns true if the current object is the indicated type exactly. More... | |
bool | is_of_type (TypeHandle handle) const |
Returns true if the current object is or derives from the indicated type. More... | |
TypedObject & | operator= (const TypedObject ©)=default |
Public Member Functions inherited from ReferenceCount | |
int | get_ref_count () const |
WeakReferenceList * | get_weak_list () const |
Returns the WeakReferenceList associated with this ReferenceCount object. More... | |
bool | has_weak_list () const |
Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More... | |
void | local_object () |
This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More... | |
void | ref () const |
Explicitly increments the reference count. More... | |
bool | ref_if_nonzero () const |
Atomically increases the reference count of this object if it is not zero. More... | |
bool | test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. More... | |
bool | test_ref_count_nonzero () const |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More... | |
virtual bool | unref () const |
Explicitly decrements the reference count. More... | |
WeakReferenceList * | weak_ref () |
Adds the indicated PointerToVoid as a weak reference to this object. More... | |
void | weak_unref () |
Removes the indicated PointerToVoid as a weak reference to this object. More... | |
Static Public Member Functions | |
static TypeHandle | get_class_type () |
static void | init_type () |
Static Public Member Functions inherited from MovieAudioCursor | |
static TypeHandle | get_class_type () |
static void | init_type () |
Static Public Member Functions inherited from TypedWritableReferenceCount | |
static TypeHandle | get_class_type () |
static void | init_type () |
static | PT (TypedWritableReferenceCount) decode_from_bam_stream(vector_uchar data |
Static Public Member Functions inherited from TypedWritable | |
static bool | decode_raw_from_bam_stream (TypedWritable *&ptr, ReferenceCount *&ref_ptr, vector_uchar data, BamReader *reader=nullptr) |
Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts the single object on those bytes. More... | |
static TypeHandle | get_class_type () |
static void | init_type () |
Static Public Member Functions inherited from TypedObject | |
static TypeHandle | get_class_type () |
static void | init_type () |
This function is declared non-inline to work around a compiler bug in g++ 2.96. More... | |
Static Public Member Functions inherited from ReferenceCount | |
static TypeHandle | get_class_type () |
static void | init_type () |
Additional Inherited Members | |
Public Attributes inherited from TypedWritableReferenceCount | |
static BamReader * | reader = nullptr) |
Public Attributes inherited from TypedObject | |
get_type | |
Public Attributes inherited from ReferenceCount | |
get_ref_count | |
Returns the current reference count. More... | |
Static Public Attributes inherited from TypedWritable | |
static TypedWritable *const | Null = nullptr |
A UserDataAudioCursor is a means to manually supply a sequence of raw audio samples.
Definition at line 29 of file userDataAudioCursor.h.
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virtual |
Read audio samples from the stream.
N is the number of samples you wish to read. Your buffer must be equal in size to N * channels. Multiple-channel audio will be interleaved.
Reimplemented from MovieAudioCursor.
Definition at line 51 of file userDataAudioCursor.cxx.
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virtual |
Returns the number of audio samples ready to be read.
Reimplemented from MovieAudioCursor.
Definition at line 92 of file userDataAudioCursor.cxx.
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virtual |
Set the offset if possible.
Reimplemented from MovieAudioCursor.
Definition at line 78 of file userDataAudioCursor.cxx.