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Load audio Binary Data bug #7473

Closed WilsonPercival closed 1 year ago

WilsonPercival commented 1 year ago

Problem description

If I load both files first and then try to play the first one, an error will appear in the console and I will not hear any sound.

If I load the first file, then play the first file, and then load the second file, and then play the second file, then I have no problem playing any of those files.

Attach a .c3p

load_audio_binary_data_bug_r363b.zip

Cannon.webm

Collectible_1.webm

Steps to reproduce

  1. Open a project.
  2. Launch and open the console.
  3. Click on the Load 1 button and select the Cannon.webm file.
  4. Click on the Load 2 button and select the Collectible_1.webm file.

  5. Click on the Play 1 button. Please note that there is an error in the console and we cannot hear any sound.

  6. Reload the page.
  7. Click on the Load 1 button and select the Cannon.webm file.
  8. Click on the Play 1 button.
  9. Click on the Load 2 button and select the Collectible_1.webm file.
  10. Click on the Play 2 button. Please note that we now have no problem playing any of the sounds.

Observed result

https://github.com/WilsonPercival/WilsonPercival/assets/91274932/bb8dc41c-4233-478e-bc8a-594ab3ca788b

Expected result

I need to be able to play sounds no matter how I load them.

More details

Affected browsers/platforms: Chrome

First affected release: broke in r363b

System details

View details Platform information Product: Construct 3 r363 (beta) Browser: Chrome 118.0.5993.71 Browser engine: Chromium Context: browser Operating system: Windows 11 Device type: desktop Device pixel ratio: 1.5 Logical CPU cores: 16 Approx. device memory: 8 GB User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Language setting: en-US Local storage Storage quota (approx): 283 gb Storage usage (approx): 1.8 gb (0.6%) Persistant storage: No Browser support notes This list contains missing features that are not required, but could improve performance or user experience if supported. Nothing is missing. Everything is OK! WebGL information Version string: WebGL 2.0 (OpenGL ES 3.0 Chromium) Numeric version: 2 Supports NPOT textures: yes Supports GPU profiling: no Supports highp precision: yes Vendor: Google Inc. (AMD) Renderer: ANGLE (AMD, AMD Radeon(TM) Graphics (0x00001638) Direct3D11 vs_5_0 ps_5_0, D3D11) Major performance caveat: no Maximum texture size: 16384 Point size range: 1 to 1024 Extensions: EXT_color_buffer_float EXT_color_buffer_half_float EXT_disjoint_timer_query_webgl2 EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic EXT_texture_norm16 KHR_parallel_shader_compile OES_draw_buffers_indexed OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context WEBGL_multi_draw WEBGL_provoking_vertex Audio information System sample rate: 48000 Hz Output channels: 2 Output interpretation: speakers Supported decode formats: WebM Opus (audio/webm; codecs=opus) Ogg Opus (audio/ogg; codecs=opus) WebM Vorbis (audio/webm; codecs=vorbis) Ogg Vorbis (audio/ogg; codecs=vorbis) MPEG-4 AAC (audio/mp4; codecs=mp4a.40.5) MP3 (audio/mpeg) FLAC (audio/flac) PCM WAV (audio/wav; codecs=1) Supported encode formats: WebM Opus (audio/webm; codecs=opus) Video information Supported decode formats: WebM AV1 (video/webm; codecs=av01.0.00M.08) MP4 AV1 (video/mp4; codecs=av01.0.00M.08) WebM VP9 (video/webm; codecs=vp9) WebM VP8 (video/webm; codecs=vp8) Ogg Theora (video/ogg; codecs=theora) H.265 (video/mp4; codecs=hev1.1.2.L93.B0) H.264 (video/mp4; codecs=avc1.42E01E) Supported encode formats: WebM AV1 (video/webm; codecs=av1) WebM VP9 (video/webm; codecs=vp9) WebM VP8 (video/webm; codecs=vp8)
AshleyScirra commented 1 year ago

The blob URL returned by the GetURL expression changes when you load the second file, because there is a single Binary Data object and its data has changed. This causes the previous blob URL to become invalid (otherwise it would leak memory). You'll need to use two Binary Data objects for this.