Audaspace: added audio file streams functionality.

On the blender side this commit fixes importing video files with audio
and video streams that do not share the same start time and duration.

Differential Revision: https://developer.blender.org/D12353

1 files changed, 42 insertions, 0 deletions

diff --git a/extern/audaspace/bindings/C/AUD_Sound.cpp b/extern/audaspace/bindings/C/AUD_Sound.cpp
index 8c99ce2341f..aa246b9a047 100644
--- a/extern/audaspace/bindings/C/AUD_Sound.cpp
+++ b/extern/audaspace/bindings/C/AUD_Sound.cpp
@@ -94,6 +94,36 @@ AUD_API int AUD_Sound_getLength(AUD_Sound* sound)
 	return (*sound)->createReader()->getLength();
 }
 
+AUD_API int AUD_Sound_getFileStreams(AUD_Sound* sound, AUD_StreamInfo **stream_infos)
+{
+	assert(sound);
+
+	std::shared_ptr<File> file = std::dynamic_pointer_cast<File>(*sound);
+
+	if(file)
+	{
+		auto streams = file->queryStreams();
+
+		size_t size = sizeof(AUD_StreamInfo) * streams.size();
+
+		if(!size)
+		{
+			*stream_infos = nullptr;
+			return 0;
+		}
+
+		*stream_infos = reinterpret_cast<AUD_StreamInfo*>(std::malloc(size));
+		std::memcpy(*stream_infos, streams.data(), size);
+
+		return streams.size();
+	}
+	else
+	{
+		*stream_infos = nullptr;
+		return 0;
+	}
+}
+
 AUD_API sample_t* AUD_Sound_data(AUD_Sound* sound, int* length, AUD_Specs* specs)
 {
 	assert(sound);
@@ -252,6 +282,12 @@ AUD_API AUD_Sound* AUD_Sound_bufferFile(unsigned char* buffer, int size)
 	return new AUD_Sound(new File(buffer, size));
 }
 
+AUD_API AUD_Sound* AUD_Sound_bufferFileStream(unsigned char* buffer, int size, int stream)
+{
+	assert(buffer);
+	return new AUD_Sound(new File(buffer, size, stream));
+}
+
 AUD_API AUD_Sound* AUD_Sound_cache(AUD_Sound* sound)
 {
 	assert(sound);
@@ -272,6 +308,12 @@ AUD_API AUD_Sound* AUD_Sound_file(const char* filename)
 	return new AUD_Sound(new File(filename));
 }
 
+AUD_API AUD_Sound* AUD_Sound_fileStream(const char* filename, int stream)
+{
+	assert(filename);
+	return new AUD_Sound(new File(filename, stream));
+}
+
 AUD_API AUD_Sound* AUD_Sound_sawtooth(float frequency, AUD_SampleRate rate)
 {
 	return new AUD_Sound(new Sawtooth(frequency, rate));