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Audio: Make basic streaming WAV playback work.
I had to solve a bunch of things simultaneously to make this work. Refactor AWavLoader to be a streaming loader rather than a one-shot one. The constructor parses the header, and if everything looks good, you can repeatedly ask the AWavLoader for sample buffers until it runs out. Also send a message from AudioServer when a buffer has finished playing. That allows us to implement a blocking variant of play(). Use all of this in aplay to play WAV files chunk-at-a-time. This is definitely not perfect and it's a little glitchy and skippy, but I think it's a step in the right direction.
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10 changed files with 88 additions and 64 deletions
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@ -16,15 +16,18 @@ int main(int argc, char **argv)
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AClientConnection a_conn;
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a_conn.handshake();
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printf("Established connection\n");
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AWavLoader loader;
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const auto& buffer = loader.load_wav(argv[1]);
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if (!buffer) {
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dbgprintf("Can't parse WAV: %s\n", loader.error_string());
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return 1;
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AWavLoader loader(argv[1]);
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printf("Loaded WAV\n");
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for (;;) {
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auto samples = loader.get_more_samples();
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if (!samples) {
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break;
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}
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printf("Playing %d sample(s)\n", samples->samples().size());
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a_conn.play(*samples, true);
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}
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printf("Playing WAV\n");
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a_conn.play(*buffer);
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printf("Exiting! :)\n");
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return 0;
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}
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