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Illusion
2024-06-19 21:28:33 +02:00
parent da4c4c3651
commit 3c482fc63a
1 changed files with 62 additions and 62 deletions
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examples/buffered/main.odin
+63 -63
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@@ -44,77 +44,77 @@ main :: proc() {
fmt.println(flac_data) fmt.println(flac_data)
//alsa_err = alsa.pcm_set_params(handle, .S16_LE, .RW_INTERLEAVED, u32(flac_data.metadata.channels), flac_data.metadata.sample_rate, 1, 500000) alsa_err = alsa.pcm_set_params(handle, .S16_LE, .RW_INTERLEAVED, u32(flac_data.metadata.channels), flac_data.metadata.sample_rate, 1, 500000)
//if alsa_err < 0 { if alsa_err < 0 {
fmt.eprintln("Playback open error:", alsa.strerror(alsa_err))
os.exit(1)
}
sample_rate := flac_data.metadata.sample_rate
channels := flac_data.metadata.channels
//md5_ctx: md5.Context
//md5.init(&md5_ctx)
for {
frame, err := flac.read_next_frame(reader, flac_data)
defer delete(frame.samples)
if err != nil {
if err == .EOF {
break
} else {
fmt.println("Error while decoding frame:", err)
os.exit(1)
}
}
//if frame.sample_rate != sample_rate || frame.channels != channels {
// sample_rate = frame.sample_rate
// channels = frame.channels
// alsa_err = alsa.pcm_set_params(handle, .S16_LE, .RW_INTERLEAVED, u32(channels), sample_rate, 1, 0)
// if alsa_err < 0 {
// fmt.eprintln("Playback open error:", alsa.strerror(alsa_err)) // fmt.eprintln("Playback open error:", alsa.strerror(alsa_err))
// os.exit(1) // os.exit(1)
// }
//} //}
//sample_rate := flac_data.metadata.sample_rate //converted_samples := make([]u8, len(samples))
//channels := flac_data.metadata.channels //defer delete(converted_samples)
//for sample, i in samples {
// converted_samples[i] = u8(sample & 0xFF)
//}
////md5_ctx: md5.Context converted_samples := make([]i16, len(frame.samples))
////md5.init(&md5_ctx) defer delete(converted_samples)
//for { for sample, i in frame.samples {
// frame, err := flac.read_next_frame(reader, flac_data) new_sample := sample & 0xFF
new_sample |= ((sample >> 8) & 0xFF) << 8
converted_samples[i] = i16(new_sample)
}
// defer delete(frame.samples) frames := alsa.pcm_writei(handle, raw_data(converted_samples), u64(len(frame.samples)) / u64(frame.channels))
// if err != nil { if frames < 0 {
// if err == .EOF { fmt.eprintln("Error writing to PCM device:", alsa.strerror(auto_cast frames))
// break break
// } else { }
// fmt.println("Error while decoding frame:", err) fmt.printfln("Played %d frames", frames)
//flac.md5hash(&md5_ctx, flac_data.metadata.bits_per_sample, samples)
}
end := time.now()
//err = flac.md5sum(&md5_ctx, flac_data)
//if err == .MD5_Mismatch {
// fmt.println("Decoded audio data is not correct.")
// os.exit(1) // os.exit(1)
// }
// }
// //if frame.sample_rate != sample_rate || frame.channels != channels {
// // sample_rate = frame.sample_rate
// // channels = frame.channels
// // alsa_err = alsa.pcm_set_params(handle, .S16_LE, .RW_INTERLEAVED, u32(channels), sample_rate, 1, 0)
// // if alsa_err < 0 {
// // fmt.eprintln("Playback open error:", alsa.strerror(alsa_err))
// // os.exit(1)
// // }
// //}
// //converted_samples := make([]u8, len(samples))
// //defer delete(converted_samples)
// //for sample, i in samples {
// // converted_samples[i] = u8(sample & 0xFF)
// //}
// converted_samples := make([]i16, len(frame.samples))
// defer delete(converted_samples)
// for sample, i in frame.samples {
// new_sample := sample & 0xFF
// new_sample |= ((sample >> 8) & 0xFF) << 8
// converted_samples[i] = i16(new_sample)
// }
// frames := alsa.pcm_writei(handle, raw_data(converted_samples), u64(len(frame.samples)) / u64(frame.channels))
// if frames < 0 {
// fmt.eprintln("Error writing to PCM device:", alsa.strerror(auto_cast frames))
// break
// }
// fmt.printfln("Played %d frames", frames)
// //flac.md5hash(&md5_ctx, flac_data.metadata.bits_per_sample, samples)
//} //}
//end := time.now()
////err = flac.md5sum(&md5_ctx, flac_data) alsa_err = alsa.pcm_drain(handle)
////if err == .MD5_Mismatch { if alsa_err < 0 {
//// fmt.println("Decoded audio data is not correct.") fmt.eprintln("pcm_drain failed with:", alsa.strerror(alsa_err))
//// os.exit(1) }
////} alsa.pcm_close(handle)
//alsa_err = alsa.pcm_drain(handle) elapsed := time.diff(start, end)
//if alsa_err < 0 { fmt.println("Decoding took", elapsed)
// fmt.eprintln("pcm_drain failed with:", alsa.strerror(alsa_err))
//}
//alsa.pcm_close(handle)
//elapsed := time.diff(start, end)
//fmt.println("Decoding took", elapsed)
} }