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Ladybird+LibWeb+WebContent: Prevent out-of-bounds seeking audio elements

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It's currently possible to seek to the total sample count of an audio
loader. We must limit seeking to one less than that count.

This mistake was duplicated in both AudioCodecPluginSerenity/Ladybird,
so the computation was moved to a helper in the base AudioCodecPlugin.
This commit is contained in:
Timothy Flynn 2023-06-21 19:37:10 -04:00 • committed by Andreas Kling
parent 20edbb70f8
commit bcd222cfae
4 changed files with 17 additions and 16 deletions
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Userland/Libraries/LibWeb/Platform/AudioCodecPlugin.h
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@ -24,6 +24,7 @@ public:
virtual ~AudioCodecPlugin();
static ErrorOr<FixedArray<Audio::Sample>> read_samples_from_loader(Audio::Loader&, size_t samples_to_load, size_t device_sample_rate);
static Duration set_loader_position(Audio::Loader&, double position, Duration duration, size_t device_sample_rate);
static Duration current_loader_position(Audio::Loader const&, size_t device_sample_rate);
virtual void resume_playback() = 0;