FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/if1_func.h @ 477:4c9222d95647

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libtwamr encoder: always emit frame->mode = mode; In the original implementation of amr_encode_frame(), the 'mode' member of the output struct was set to 0xFF if the output frame type is TX_NO_DATA. This design was made to mimic the mode field (16-bit word) being set to 0xFFFF (or -1) in 3GPP test sequence format - but nothing actually depends on this struct member being set in any way, and amr_frame_to_tseq() generates the needed 0xFFFF on its own, based on frame->type being equal to TX_NO_DATA. It is simpler and more efficient to always set frame->mode to the actual encoding mode in amr_encode_frame(), and this new behavior has already been documented in doc/AMR-library-API description in anticipation of the present change.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 18 May 2024 22:30:42 +0000
parents ebe499058c63
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This header file provides prototype declarations for AMR IF1
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * packing and unpacking functions, as well as extern declarations
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * for the set of const data tables they need.
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #ifndef if1_func_h
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #define if1_func_h
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdint.h>
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "tw_amr.h"
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include "typedef.h"
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 void if1_pack_bytes(enum Mode mode, const Word16 *serial_bits,
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 uint8_t *if1_bytes);
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 void if1_unpack_bytes(enum Mode mode, const uint8_t *if1_bytes,
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 Word16 *serial_bits);
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 extern const uint8_t sort_475[95];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 extern const uint8_t sort_515[103];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 extern const uint8_t sort_59[118];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 extern const uint8_t sort_67[134];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 extern const uint8_t sort_74[148];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 extern const uint8_t sort_795[159];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 extern const uint8_t sort_102[204];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 extern const uint8_t sort_122[244];
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
ebe499058c63 libtwamr: implement API functions for RFC 4867 I/O
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 #endif /* include guard */