Merge pull request #15967 from Gamblify/AudioRecordingModule

Audio Recording from godot

1 files changed, 0 insertions, 114 deletions

diff --git a/editor/import/resource_importer_wav.cpp b/editor/import/resource_importer_wav.cpp
index fa641871a9..41f5a892eb 100644
--- a/editor/import/resource_importer_wav.cpp
+++ b/editor/import/resource_importer_wav.cpp
@@ -526,119 +526,5 @@ Error ResourceImporterWAV::import(const String &p_source_file, const String &p_s
 	return OK;
 }
 
-void ResourceImporterWAV::_compress_ima_adpcm(const Vector<float> &p_data, PoolVector<uint8_t> &dst_data) {
-
-	/*p_sample_data->data = (void*)malloc(len);
-	xm_s8 *dataptr=(xm_s8*)p_sample_data->data;*/
-
-	static const int16_t _ima_adpcm_step_table[89] = {
-		7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
-		19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
-		50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
-		130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
-		337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
-		876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
-		2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
-		5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
-		15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
-	};
-
-	static const int8_t _ima_adpcm_index_table[16] = {
-		-1, -1, -1, -1, 2, 4, 6, 8,
-		-1, -1, -1, -1, 2, 4, 6, 8
-	};
-
-	int datalen = p_data.size();
-	int datamax = datalen;
-	if (datalen & 1)
-		datalen++;
-
-	dst_data.resize(datalen / 2 + 4);
-	PoolVector<uint8_t>::Write w = dst_data.write();
-
-	int i, step_idx = 0, prev = 0;
-	uint8_t *out = w.ptr();
-	//int16_t xm_prev=0;
-	const float *in = p_data.ptr();
-
-	/* initial value is zero */
-	*(out++) = 0;
-	*(out++) = 0;
-	/* Table index initial value */
-	*(out++) = 0;
-	/* unused */
-	*(out++) = 0;
-
-	for (i = 0; i < datalen; i++) {
-		int step, diff, vpdiff, mask;
-		uint8_t nibble;
-		int16_t xm_sample;
-
-		if (i >= datamax)
-			xm_sample = 0;
-		else {
-
-			xm_sample = CLAMP(in[i] * 32767.0, -32768, 32767);
-			/*
-			if (xm_sample==32767 || xm_sample==-32768)
-				printf("clippy!\n",xm_sample);
-			*/
-		}
-
-		//xm_sample=xm_sample+xm_prev;
-		//xm_prev=xm_sample;
-
-		diff = (int)xm_sample - prev;
-
-		nibble = 0;
-		step = _ima_adpcm_step_table[step_idx];
-		vpdiff = step >> 3;
-		if (diff < 0) {
-			nibble = 8;
-			diff = -diff;
-		}
-		mask = 4;
-		while (mask) {
-
-			if (diff >= step) {
-
-				nibble |= mask;
-				diff -= step;
-				vpdiff += step;
-			}
-
-			step >>= 1;
-			mask >>= 1;
-		};
-
-		if (nibble & 8)
-			prev -= vpdiff;
-		else
-			prev += vpdiff;
-
-		if (prev > 32767) {
-			//printf("%i,xms %i, prev %i,diff %i, vpdiff %i, clip up %i\n",i,xm_sample,prev,diff,vpdiff,prev);
-			prev = 32767;
-		} else if (prev < -32768) {
-			//printf("%i,xms %i, prev %i,diff %i, vpdiff %i, clip down %i\n",i,xm_sample,prev,diff,vpdiff,prev);
-			prev = -32768;
-		}
-
-		step_idx += _ima_adpcm_index_table[nibble];
-		if (step_idx < 0)
-			step_idx = 0;
-		else if (step_idx > 88)
-			step_idx = 88;
-
-		if (i & 1) {
-			*out |= nibble << 4;
-			out++;
-		} else {
-			*out = nibble;
-		}
-		/*dataptr[i]=prev>>8;*/
-	}
-}
-
 ResourceImporterWAV::ResourceImporterWAV() {
 }