Encoder 7.1 support

* AAC-Encoder

   - Add 7.1 rear surround and 7.1 front center support to supported encoder
     channel modes. Change max channels from 6 to 8 and add 7.1 configuration
     to bandwidth and channel mapping functions.
     Modified file(s):
        libAACenc\include\aacenc_lib.h
        libAACenc\src\aacEnc_ram.cpp
        libAACenc\src\aacEnc_ram.h
        libAACenc\src\aacenc.cpp
        libAACenc\src\aacenc.h
        libAACenc\src\aacenc_lib.cpp
        libAACenc\src\adj_thr.cpp
        libAACenc\src\adj_thr.h
        libAACenc\src\adj_thr_data.h
        libAACenc\src\bandwidth.cpp
        libAACenc\src\bitenc.cpp
        libAACenc\src\channel_map.cpp
        libAACenc\src\interface.h
        libAACenc\src\metadata_compressor.cpp
        libAACenc\src\psy_main.cpp
        libAACenc\src\psy_main.h
        libAACenc\src\qc_data.h
        libAACenc\src\qc_main.cpp
        libAACenc\src\qc_main.h

* SBR-Encoder

   - Support up to 7.1 audio channels. Changed max channels from 6 to 8.
     Modified file(s):
        libSBRenc\include\sbr_encoder.h
        libSBRenc\src\sbr.h
        libSBRenc\src\sbr_encoder.cpp
        libSBRenc\src\sbr_ram.cpp

* Transport-Encoder
   - Add 7.1 channel configuration to audio specific config writer in
     transport encoder library.
     Modified file(s):
        libMpegTPEnc\src\tpenc_asc.cpp
        libMpegTPEnc\src\version

* SYS-Library
   - Add 7.1 channel modes to CHANNEL_MODE description.
     Modified file(s):
        libSYS\include\FDK_audio.h
        libSYS\src\genericStds.cpp

Bug 9428126

Change-Id: Ide53583aa8e03df4537b98db80740dfe0e7a9e0f

1 files changed, 29 insertions, 21 deletions

diff --git a/libAACenc/include/aacenc_lib.h b/libAACenc/include/aacenc_lib.h
index f693bf5..8c0e1cd 100644
--- a/libAACenc/include/aacenc_lib.h
+++ b/libAACenc/include/aacenc_lib.h
@@ -377,16 +377,20 @@ For user defined Configurations the Channel Configuration is set to 0 and the Ch
 Program Config Element. The present Encoder implementation does not allow the user to configure this Channel Configuration from
 extern. The Encoder implementation supports fixed Channel Modes which are mapped to Channel Configuration as follow.
 \verbatim
---------------------------------------------------------------------
- ChannelMode     | ChCfg  | front_El | side_El  | back_El  | lfe_El
------------------+--------+----------+----------+----------+--------
-MODE_1           |      1 | SCE      |          |          |
-MODE_2           |      2 | CPE      |          |          |
-MODE_1_2         |      3 | SCE, CPE |          |          |
-MODE_1_2_1       |      4 | SCE, CPE |          | SCE      |
-MODE_1_2_2       |      5 | SCE, CPE |          | CPE      |
-MODE_1_2_2_1     |      6 | SCE, CPE |          | CPE      | LFE
---------------------------------------------------------------------
+-------------------------------------------------------------------------------
+ ChannelMode           | ChCfg  | front_El      | side_El  | back_El  | lfe_El
+-----------------------+--------+---------------+----------+----------+--------
+MODE_1                 |      1 | SCE           |          |          |
+MODE_2                 |      2 | CPE           |          |          |
+MODE_1_2               |      3 | SCE, CPE      |          |          |
+MODE_1_2_1             |      4 | SCE, CPE      |          | SCE      |
+MODE_1_2_2             |      5 | SCE, CPE      |          | CPE      |
+MODE_1_2_2_1           |      6 | SCE, CPE      |          | CPE      | LFE
+MODE_1_2_2_2_1         |      7 | SCE, CPE, CPE |          | CPE      | LFE
+-----------------------+--------+---------------+----------+----------+--------
+MODE_7_1_REAR_SURROUND |      0 | SCE, CPE      |          | CPE, CPE | LFE
+MODE_7_1_FRONT_CENTER  |      0 | SCE, CPE, CPE |          | CPE      | LFE
+-------------------------------------------------------------------------------
  - SCE: Single Channel Element.
  - CPE: Channel Pair.
  - SCE: Low Frequency Element.
@@ -402,16 +406,20 @@ Beside the Channel Element assignment the Channel Modes are resposible for audio
 of the audio data depends on the selected ::AACENC_CHANNELORDER which can be MPEG or WAV like order.\n
 Following Table describes the complete channel mapping for both Channel Order configurations.
 \verbatim
----------------------------------------------------------------------------------
-ChannelMode      |  MPEG-Channelorder            |  WAV-Channelorder
------------------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---
-MODE_1           | 0 |   |   |   |   |   |   |   | 0 |   |   |   |   |   |   |
-MODE_2           | 0 | 1 |   |   |   |   |   |   | 0 | 1 |   |   |   |   |   |
-MODE_1_2         | 0 | 1 | 2 |   |   |   |   |   | 2 | 0 | 1 |   |   |   |   |
-MODE_1_2_1       | 0 | 1 | 2 | 3 |   |   |   |   | 2 | 0 | 1 | 3 |   |   |   |
-MODE_1_2_2       | 0 | 1 | 2 | 3 | 4 |   |   |   | 2 | 0 | 1 | 3 | 4 |   |   |
-MODE_1_2_2_1     | 0 | 1 | 2 | 3 | 4 | 5 |   |   | 2 | 0 | 1 | 4 | 5 | 3 |   |
----------------------------------------------------------------------------------
+---------------------------------------------------------------------------------------
+ChannelMode            |  MPEG-Channelorder            |  WAV-Channelorder
+-----------------------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---
+MODE_1                 | 0 |   |   |   |   |   |   |   | 0 |   |   |   |   |   |   |
+MODE_2                 | 0 | 1 |   |   |   |   |   |   | 0 | 1 |   |   |   |   |   |
+MODE_1_2               | 0 | 1 | 2 |   |   |   |   |   | 2 | 0 | 1 |   |   |   |   |
+MODE_1_2_1             | 0 | 1 | 2 | 3 |   |   |   |   | 2 | 0 | 1 | 3 |   |   |   |
+MODE_1_2_2             | 0 | 1 | 2 | 3 | 4 |   |   |   | 2 | 0 | 1 | 3 | 4 |   |   |
+MODE_1_2_2_1           | 0 | 1 | 2 | 3 | 4 | 5 |   |   | 2 | 0 | 1 | 4 | 5 | 3 |   |
+MODE_1_2_2_2_1         | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 2 | 6 | 7 | 0 | 1 | 4 | 5 | 3
+-----------------------+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---
+MODE_7_1_REAR_SURROUND | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 2 | 0 | 1 | 6 | 7 | 4 | 5 | 3
+MODE_7_1_FRONT_CENTER  | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 2 | 6 | 7 | 0 | 1 | 4 | 5 | 3
+---------------------------------------------------------------------------------------
 \endverbatim
 
 The denoted mapping is important for correct audio channel assignment when using MPEG or WAV ordering. The incoming audio
@@ -920,7 +928,7 @@ typedef enum
                                                   - 480: Optional length in LD/ELD configuration. */
 
   AACENC_CHANNELMODE              = 0x0106,  /*!< Set explicit channel mode. Channel mode must match with number of input channels.
-                                                  - 1-6: MPEG channel modes supported, see ::CHANNEL_MODE in FDK_audio.h. */
+                                                  - 1-7 and 33,34: MPEG channel modes supported, see ::CHANNEL_MODE in FDK_audio.h. */
 
   AACENC_CHANNELORDER             = 0x0107,  /*!< Input audio data channel ordering scheme:
                                                   - 0: MPEG channel ordering (e. g. 5.1: C, L, R, SL, SR, LFE). (default)