Refactor VideoPlayer and VideoStream

VideoStream:
- Fix const correctenss

VideoPlayer:
- Remove unused member variable last_frame
- Move _mix_audios function definition to source file
- Fix function parameter naming to match p_ convention
- Fix const correctness
- Add null checking

2 files changed, 2 insertions, 2 deletions

diff --git a/modules/gdnative/videodecoder/video_stream_gdnative.cpp b/modules/gdnative/videodecoder/video_stream_gdnative.cpp
index f3c34fd5e0..14b7f9a2ef 100644
--- a/modules/gdnative/videodecoder/video_stream_gdnative.cpp
+++ b/modules/gdnative/videodecoder/video_stream_gdnative.cpp
@@ -279,7 +279,7 @@ void VideoStreamPlaybackGDNative::set_paused(bool p_paused) {
 	paused = p_paused;
 }
 
-Ref<Texture> VideoStreamPlaybackGDNative::get_texture() {
+Ref<Texture> VideoStreamPlaybackGDNative::get_texture() const {
 	return texture;
 }
 
diff --git a/modules/gdnative/videodecoder/video_stream_gdnative.h b/modules/gdnative/videodecoder/video_stream_gdnative.h
index 9aed1fd2a0..5ff7acb616 100644
--- a/modules/gdnative/videodecoder/video_stream_gdnative.h
+++ b/modules/gdnative/videodecoder/video_stream_gdnative.h
@@ -168,7 +168,7 @@ public:
 
 	//virtual int mix(int16_t* p_buffer,int p_frames)=0;
 
-	virtual Ref<Texture> get_texture();
+	virtual Ref<Texture> get_texture() const;
 	virtual void update(float p_delta);
 
 	virtual void set_mix_callback(AudioMixCallback p_callback, void *p_userdata);