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-rw-r--r--codecs/gsm/src/gsm_implode.c515
1 files changed, 515 insertions, 0 deletions
diff --git a/codecs/gsm/src/gsm_implode.c b/codecs/gsm/src/gsm_implode.c
new file mode 100644
index 000000000..453b8cf39
--- /dev/null
+++ b/codecs/gsm/src/gsm_implode.c
@@ -0,0 +1,515 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin. See the accompanying file "COPYRIGHT" for
+ * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/* $Header$ */
+
+#include "private.h"
+
+#include "gsm.h"
+#include "proto.h"
+
+void gsm_implode P3((s, source, c), gsm s, gsm_signal * source, gsm_byte * c)
+{
+ /* variable size index
+
+ GSM_MAGIC 4 -
+
+ LARc[0] 6 0
+ LARc[1] 6 1
+ LARc[2] 5 2
+ LARc[3] 5 3
+ LARc[4] 4 4
+ LARc[5] 4 5
+ LARc[6] 3 6
+ LARc[7] 3 7
+
+ Nc[0] 7 8
+ bc[0] 2 9
+ Mc[0] 2 10
+ xmaxc[0] 6 11
+ xmc[0] 3 12
+ xmc[1] 3 13
+ xmc[2] 3 14
+ xmc[3] 3 15
+ xmc[4] 3 16
+ xmc[5] 3 17
+ xmc[6] 3 18
+ xmc[7] 3 19
+ xmc[8] 3 20
+ xmc[9] 3 21
+ xmc[10] 3 22
+ xmc[11] 3 23
+ xmc[12] 3 24
+
+ Nc[1] 7 25
+ bc[1] 2 26
+ Mc[1] 2 27
+ xmaxc[1] 6 28
+ xmc[13] 3 29
+ xmc[14] 3 30
+ xmc[15] 3 31
+ xmc[16] 3 32
+ xmc[17] 3 33
+ xmc[18] 3 34
+ xmc[19] 3 35
+ xmc[20] 3 36
+ xmc[21] 3 37
+ xmc[22] 3 38
+ xmc[23] 3 39
+ xmc[24] 3 40
+ xmc[25] 3 41
+
+ Nc[2] 7 42
+ bc[2] 2 43
+ Mc[2] 2 44
+ xmaxc[2] 6 45
+ xmc[26] 3 46
+ xmc[27] 3 47
+ xmc[28] 3 48
+ xmc[29] 3 49
+ xmc[30] 3 50
+ xmc[31] 3 51
+ xmc[32] 3 52
+ xmc[33] 3 53
+ xmc[34] 3 54
+ xmc[35] 3 55
+ xmc[36] 3 56
+ xmc[37] 3 57
+ xmc[38] 3 58
+
+ Nc[3] 7 59
+ bc[3] 2 60
+ Mc[3] 2 61
+ xmaxc[3] 6 62
+ xmc[39] 3 63
+ xmc[40] 3 64
+ xmc[41] 3 65
+ xmc[42] 3 66
+ xmc[43] 3 67
+ xmc[44] 3 68
+ xmc[45] 3 69
+ xmc[46] 3 70
+ xmc[47] 3 71
+ xmc[48] 3 72
+ xmc[49] 3 73
+ xmc[50] 3 74
+ xmc[51] 3 75
+ */
+
+ /* There are 76 parameters per frame. The first eight are
+ * unique. The remaining 68 are four identical subframes of
+ * 17 parameters each. gsm_implode converts from a representation
+ * of these parameters as values in one array of signed words
+ * to the "packed" version of a GSM frame.
+ */
+
+# define LARc source
+# define Nc *((gsm_signal (*) [17])(source + 8))
+# define bc *((gsm_signal (*) [17])(source + 9))
+# define Mc *((gsm_signal (*) [17])(source + 10))
+# define xmaxc *((gsm_signal (*) [17])(source + 11))
+
+#ifdef WAV49
+ if (s->wav_fmt) {
+
+ uword sr = 0;
+ if (s->frame_index == 0) {
+
+ sr = *c++;
+ LARc[0] = sr & 0x3f; sr >>= 6;
+ sr |= (uword)*c++ << 2;
+ LARc[1] = sr & 0x3f; sr >>= 6;
+ sr |= (uword)*c++ << 4;
+ LARc[2] = sr & 0x1f; sr >>= 5;
+ LARc[3] = sr & 0x1f; sr >>= 5;
+ sr |= (uword)*c++ << 2;
+ LARc[4] = sr & 0xf; sr >>= 4;
+ LARc[5] = sr & 0xf; sr >>= 4;
+ sr |= (uword)*c++ << 2; /* 5 */
+ LARc[6] = sr & 0x7; sr >>= 3;
+ LARc[7] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 4;
+ Nc[0] = sr & 0x7f; sr >>= 7;
+ bc[0] = sr & 0x3; sr >>= 2;
+ Mc[0] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 1;
+ xmaxc[0] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 12)
+ xmc[0] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[1] = sr & 0x7; sr >>= 3;
+ xmc[2] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[3] = sr & 0x7; sr >>= 3;
+ xmc[4] = sr & 0x7; sr >>= 3;
+ xmc[5] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1; /* 10 */
+ xmc[6] = sr & 0x7; sr >>= 3;
+ xmc[7] = sr & 0x7; sr >>= 3;
+ xmc[8] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[9] = sr & 0x7; sr >>= 3;
+ xmc[10] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[11] = sr & 0x7; sr >>= 3;
+ xmc[12] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 4;
+ Nc[1] = sr & 0x7f; sr >>= 7;
+ bc[1] = sr & 0x3; sr >>= 2;
+ Mc[1] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 1;
+ xmaxc[1] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 29 - 13)
+ xmc[13] = sr & 0x7; sr >>= 3;
+ sr = *c++; /* 15 */
+ xmc[14] = sr & 0x7; sr >>= 3;
+ xmc[15] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[16] = sr & 0x7; sr >>= 3;
+ xmc[17] = sr & 0x7; sr >>= 3;
+ xmc[18] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[19] = sr & 0x7; sr >>= 3;
+ xmc[20] = sr & 0x7; sr >>= 3;
+ xmc[21] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[22] = sr & 0x7; sr >>= 3;
+ xmc[23] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[24] = sr & 0x7; sr >>= 3;
+ xmc[25] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 4; /* 20 */
+ Nc[2] = sr & 0x7f; sr >>= 7;
+ bc[2] = sr & 0x3; sr >>= 2;
+ Mc[2] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 1;
+ xmaxc[2] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 46 - 26)
+ xmc[26] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[27] = sr & 0x7; sr >>= 3;
+ xmc[28] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[29] = sr & 0x7; sr >>= 3;
+ xmc[30] = sr & 0x7; sr >>= 3;
+ xmc[31] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[32] = sr & 0x7; sr >>= 3;
+ xmc[33] = sr & 0x7; sr >>= 3;
+ xmc[34] = sr & 0x7; sr >>= 3;
+ sr = *c++; /* 25 */
+ xmc[35] = sr & 0x7; sr >>= 3;
+ xmc[36] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[37] = sr & 0x7; sr >>= 3;
+ xmc[38] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 4;
+ Nc[3] = sr & 0x7f; sr >>= 7;
+ bc[3] = sr & 0x3; sr >>= 2;
+ Mc[3] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 1;
+ xmaxc[3] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 63 - 39)
+
+ xmc[39] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[40] = sr & 0x7; sr >>= 3;
+ xmc[41] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2; /* 30 */
+ xmc[42] = sr & 0x7; sr >>= 3;
+ xmc[43] = sr & 0x7; sr >>= 3;
+ xmc[44] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[45] = sr & 0x7; sr >>= 3;
+ xmc[46] = sr & 0x7; sr >>= 3;
+ xmc[47] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[48] = sr & 0x7; sr >>= 3;
+ xmc[49] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[50] = sr & 0x7; sr >>= 3;
+ xmc[51] = sr & 0x7; sr >>= 3;
+
+ s->frame_chain = sr & 0xf;
+ }
+ else {
+ sr = s->frame_chain;
+ sr |= (uword)*c++ << 4; /* 1 */
+ LARc[0] = sr & 0x3f; sr >>= 6;
+ LARc[1] = sr & 0x3f; sr >>= 6;
+ sr = *c++;
+ LARc[2] = sr & 0x1f; sr >>= 5;
+ sr |= (uword)*c++ << 3;
+ LARc[3] = sr & 0x1f; sr >>= 5;
+ LARc[4] = sr & 0xf; sr >>= 4;
+ sr |= (uword)*c++ << 2;
+ LARc[5] = sr & 0xf; sr >>= 4;
+ LARc[6] = sr & 0x7; sr >>= 3;
+ LARc[7] = sr & 0x7; sr >>= 3;
+ sr = *c++; /* 5 */
+ Nc[0] = sr & 0x7f; sr >>= 7;
+ sr |= (uword)*c++ << 1;
+ bc[0] = sr & 0x3; sr >>= 2;
+ Mc[0] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 5;
+ xmaxc[0] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 12)
+ xmc[0] = sr & 0x7; sr >>= 3;
+ xmc[1] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[2] = sr & 0x7; sr >>= 3;
+ xmc[3] = sr & 0x7; sr >>= 3;
+ xmc[4] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[5] = sr & 0x7; sr >>= 3;
+ xmc[6] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2; /* 10 */
+ xmc[7] = sr & 0x7; sr >>= 3;
+ xmc[8] = sr & 0x7; sr >>= 3;
+ xmc[9] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[10] = sr & 0x7; sr >>= 3;
+ xmc[11] = sr & 0x7; sr >>= 3;
+ xmc[12] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ Nc[1] = sr & 0x7f; sr >>= 7;
+ sr |= (uword)*c++ << 1;
+ bc[1] = sr & 0x3; sr >>= 2;
+ Mc[1] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 5;
+ xmaxc[1] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 29 - 13)
+ xmc[13] = sr & 0x7; sr >>= 3;
+ xmc[14] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1; /* 15 */
+ xmc[15] = sr & 0x7; sr >>= 3;
+ xmc[16] = sr & 0x7; sr >>= 3;
+ xmc[17] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[18] = sr & 0x7; sr >>= 3;
+ xmc[19] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[20] = sr & 0x7; sr >>= 3;
+ xmc[21] = sr & 0x7; sr >>= 3;
+ xmc[22] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[23] = sr & 0x7; sr >>= 3;
+ xmc[24] = sr & 0x7; sr >>= 3;
+ xmc[25] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ Nc[2] = sr & 0x7f; sr >>= 7;
+ sr |= (uword)*c++ << 1; /* 20 */
+ bc[2] = sr & 0x3; sr >>= 2;
+ Mc[2] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 5;
+ xmaxc[2] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 46 - 26)
+ xmc[26] = sr & 0x7; sr >>= 3;
+ xmc[27] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[28] = sr & 0x7; sr >>= 3;
+ xmc[29] = sr & 0x7; sr >>= 3;
+ xmc[30] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ xmc[31] = sr & 0x7; sr >>= 3;
+ xmc[32] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[33] = sr & 0x7; sr >>= 3;
+ xmc[34] = sr & 0x7; sr >>= 3;
+ xmc[35] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1; /* 25 */
+ xmc[36] = sr & 0x7; sr >>= 3;
+ xmc[37] = sr & 0x7; sr >>= 3;
+ xmc[38] = sr & 0x7; sr >>= 3;
+ sr = *c++;
+ Nc[3] = sr & 0x7f; sr >>= 7;
+ sr |= (uword)*c++ << 1;
+ bc[3] = sr & 0x3; sr >>= 2;
+ Mc[3] = sr & 0x3; sr >>= 2;
+ sr |= (uword)*c++ << 5;
+ xmaxc[3] = sr & 0x3f; sr >>= 6;
+#undef xmc
+#define xmc (source + 63 - 39)
+
+ xmc[39] = sr & 0x7; sr >>= 3;
+ xmc[40] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[41] = sr & 0x7; sr >>= 3;
+ xmc[42] = sr & 0x7; sr >>= 3;
+ xmc[43] = sr & 0x7; sr >>= 3;
+ sr = *c++; /* 30 */
+ xmc[44] = sr & 0x7; sr >>= 3;
+ xmc[45] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 2;
+ xmc[46] = sr & 0x7; sr >>= 3;
+ xmc[47] = sr & 0x7; sr >>= 3;
+ xmc[48] = sr & 0x7; sr >>= 3;
+ sr |= (uword)*c++ << 1;
+ xmc[49] = sr & 0x7; sr >>= 3;
+ xmc[50] = sr & 0x7; sr >>= 3;
+ xmc[51] = sr & 0x7; sr >>= 3;
+ }
+ }
+ else
+#endif
+ {
+
+ *c++ = ((GSM_MAGIC & 0xF) << 4) /* 1 */
+ | ((LARc[0] >> 2) & 0xF);
+ *c++ = ((LARc[0] & 0x3) << 6)
+ | (LARc[1] & 0x3F);
+ *c++ = ((LARc[2] & 0x1F) << 3)
+ | ((LARc[3] >> 2) & 0x7);
+ *c++ = ((LARc[3] & 0x3) << 6)
+ | ((LARc[4] & 0xF) << 2)
+ | ((LARc[5] >> 2) & 0x3);
+ *c++ = ((LARc[5] & 0x3) << 6)
+ | ((LARc[6] & 0x7) << 3)
+ | (LARc[7] & 0x7);
+
+
+ *c++ = ((Nc[0] & 0x7F) << 1)
+
+
+ | ((bc[0] >> 1) & 0x1);
+ *c++ = ((bc[0] & 0x1) << 7)
+
+
+ | ((Mc[0] & 0x3) << 5)
+
+ | ((xmaxc[0] >> 1) & 0x1F);
+ *c++ = ((xmaxc[0] & 0x1) << 7)
+
+#undef xmc
+#define xmc (source + 12)
+
+ | ((xmc[0] & 0x7) << 4)
+ | ((xmc[1] & 0x7) << 1)
+ | ((xmc[2] >> 2) & 0x1);
+ *c++ = ((xmc[2] & 0x3) << 6)
+ | ((xmc[3] & 0x7) << 3)
+ | (xmc[4] & 0x7);
+ *c++ = ((xmc[5] & 0x7) << 5) /* 10 */
+ | ((xmc[6] & 0x7) << 2)
+ | ((xmc[7] >> 1) & 0x3);
+ *c++ = ((xmc[7] & 0x1) << 7)
+ | ((xmc[8] & 0x7) << 4)
+ | ((xmc[9] & 0x7) << 1)
+ | ((xmc[10] >> 2) & 0x1);
+ *c++ = ((xmc[10] & 0x3) << 6)
+ | ((xmc[11] & 0x7) << 3)
+ | (xmc[12] & 0x7);
+
+
+ *c++ = ((Nc[1] & 0x7F) << 1)
+
+
+ | ((bc[1] >> 1) & 0x1);
+ *c++ = ((bc[1] & 0x1) << 7)
+
+
+ | ((Mc[1] & 0x3) << 5)
+
+
+ | ((xmaxc[1] >> 1) & 0x1F);
+ *c++ = ((xmaxc[1] & 0x1) << 7)
+
+#undef xmc
+#define xmc (source + 29 - 13)
+
+ | ((xmc[13] & 0x7) << 4)
+ | ((xmc[14] & 0x7) << 1)
+ | ((xmc[15] >> 2) & 0x1);
+ *c++ = ((xmc[15] & 0x3) << 6)
+ | ((xmc[16] & 0x7) << 3)
+ | (xmc[17] & 0x7);
+ *c++ = ((xmc[18] & 0x7) << 5)
+ | ((xmc[19] & 0x7) << 2)
+ | ((xmc[20] >> 1) & 0x3);
+ *c++ = ((xmc[20] & 0x1) << 7)
+ | ((xmc[21] & 0x7) << 4)
+ | ((xmc[22] & 0x7) << 1)
+ | ((xmc[23] >> 2) & 0x1);
+ *c++ = ((xmc[23] & 0x3) << 6)
+ | ((xmc[24] & 0x7) << 3)
+ | (xmc[25] & 0x7);
+
+
+ *c++ = ((Nc[2] & 0x7F) << 1) /* 20 */
+
+
+ | ((bc[2] >> 1) & 0x1);
+ *c++ = ((bc[2] & 0x1) << 7)
+
+
+ | ((Mc[2] & 0x3) << 5)
+
+
+ | ((xmaxc[2] >> 1) & 0x1F);
+ *c++ = ((xmaxc[2] & 0x1) << 7)
+
+#undef xmc
+#define xmc (source + 46 - 26)
+
+ | ((xmc[26] & 0x7) << 4)
+ | ((xmc[27] & 0x7) << 1)
+ | ((xmc[28] >> 2) & 0x1);
+ *c++ = ((xmc[28] & 0x3) << 6)
+ | ((xmc[29] & 0x7) << 3)
+ | (xmc[30] & 0x7);
+ *c++ = ((xmc[31] & 0x7) << 5)
+ | ((xmc[32] & 0x7) << 2)
+ | ((xmc[33] >> 1) & 0x3);
+ *c++ = ((xmc[33] & 0x1) << 7)
+ | ((xmc[34] & 0x7) << 4)
+ | ((xmc[35] & 0x7) << 1)
+ | ((xmc[36] >> 2) & 0x1);
+ *c++ = ((xmc[36] & 0x3) << 6)
+ | ((xmc[37] & 0x7) << 3)
+ | (xmc[38] & 0x7);
+
+
+ *c++ = ((Nc[3] & 0x7F) << 1)
+
+
+ | ((bc[3] >> 1) & 0x1);
+ *c++ = ((bc[3] & 0x1) << 7)
+
+
+ | ((Mc[3] & 0x3) << 5)
+
+
+ | ((xmaxc[3] >> 1) & 0x1F);
+ *c++ = ((xmaxc[3] & 0x1) << 7)
+
+#undef xmc
+#define xmc (source + 63 - 39)
+
+ | ((xmc[39] & 0x7) << 4)
+ | ((xmc[40] & 0x7) << 1)
+ | ((xmc[41] >> 2) & 0x1);
+ *c++ = ((xmc[41] & 0x3) << 6) /* 30 */
+ | ((xmc[42] & 0x7) << 3)
+ | (xmc[43] & 0x7);
+ *c++ = ((xmc[44] & 0x7) << 5)
+ | ((xmc[45] & 0x7) << 2)
+ | ((xmc[46] >> 1) & 0x3);
+ *c++ = ((xmc[46] & 0x1) << 7)
+ | ((xmc[47] & 0x7) << 4)
+ | ((xmc[48] & 0x7) << 1)
+ | ((xmc[49] >> 2) & 0x1);
+ *c++ = ((xmc[49] & 0x3) << 6)
+ | ((xmc[50] & 0x7) << 3)
+ | (xmc[51] & 0x7);
+ }
+}
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