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/webm/video_stream_webm.cpp b/modules/webm/video_stream_webm.cpp
index fa3602ad27..4ce0db3746 100644
--- a/modules/webm/video_stream_webm.cpp
+++ b/modules/webm/video_stream_webm.cpp
@@ -230,7 +230,7 @@ void VideoStreamPlaybackWebm::set_audio_track(int p_idx) {
 	audio_track = p_idx;
 }
 
-Ref<Texture> VideoStreamPlaybackWebm::get_texture() {
+Ref<Texture> VideoStreamPlaybackWebm::get_texture() const {
 
 	return texture;
 }
diff --git a/modules/webm/video_stream_webm.h b/modules/webm/video_stream_webm.h
index ddcbb1eb08..4f79d46cce 100644
--- a/modules/webm/video_stream_webm.h
+++ b/modules/webm/video_stream_webm.h
@@ -90,7 +90,7 @@ public:
 
 	virtual void set_audio_track(int p_idx);
 
-	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);