SDL_mixer_sound patch

Background

SDL_mixer is an audio library that supports:

• Convert compressed / encoded audio data to PCM data and load them
• Automatically play compressed / encoded audio data.
• Mixing

SDL_sound(formally SDL_voice) was developed for the purpose of dividing 1. decode/decompress audio data, 2. mixing them. SDL_sound supports the former one.

• Supporting new audio format is much easier. (based on SDL_RWops technology)
• Easy to use.

The decoded/decompressed data by SDL_sound SHOULD be passed to SDL_mixer, but there is no support of SDL_mixer that handling decoded/decompressed data from SDL_sound (yet).

I have an experimental code(patch) that enables SDL_sound as a part of SDL_mixer's driver(decoder).

Patch

SDL_mixer_sound.20030903.diff

How to use

Nothing special. You can use normal SDL_mixer functions like Mix_LoadMus(). The only one this patch do is bypassing decoding process to SDL_sound.

Technology

Nothing. Simply sending decoded PCM data to internal mixing loop of SDL_mixer.

Why experimental?

• Not tested well.
• I consider this patch 'tentative', and want more elegant framework to communicate with SDL_sound. So I dont want this patch to be used forever even if it is useful. ;D