| 310 | }; |
| 311 | |
| 312 | export const fromAudioSampleFormat = (sampleFormat: AudioSampleFormat): AVSampleFormat => { |
| 313 | switch (sampleFormat) { |
| 314 | case 'u8': return AV_SAMPLE_FMT_U8; |
| 315 | case 's16': return AV_SAMPLE_FMT_S16; |
| 316 | case 's32': return AV_SAMPLE_FMT_S32; |
| 317 | case 'f32': return AV_SAMPLE_FMT_FLT; |
| 318 | case 'u8-planar': return AV_SAMPLE_FMT_U8P; |
| 319 | case 's16-planar': return AV_SAMPLE_FMT_S16P; |
| 320 | case 's32-planar': return AV_SAMPLE_FMT_S32P; |
| 321 | case 'f32-planar': return AV_SAMPLE_FMT_FLTP; |
| 322 | |
| 323 | default: return AV_SAMPLE_FMT_NONE; |
| 324 | } |
| 325 | }; |
| 326 | |
| 327 | export const toUint8Array = (source: AllowSharedBufferSource): Uint8Array => { |
| 328 | if (source.constructor === Uint8Array) { // We want a true Uint8Array, not something that extends it like Buffer |