Add opus in third_party.

Opus will be used by chromoting for audio encoding.


Review URL: https://chromiumcodereview.appspot.com/10905108

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162922 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 272 insertions, 0 deletions

diff --git a/third_party/opus/README.chromium b/third_party/opus/README.chromium
new file mode 100644
index 0000000..3e4e417
--- /dev/null
+++ b/third_party/opus/README.chromium
@@ -0,0 +1,12 @@
+Name: opus
+URL: http://downloads.xiph.org/releases/opus/opus-1.0.1-rc3.tar.gz
+Version: 1.0.1-rc3
+License: BSD
+License File: src/COPYING
+Security Critical: yes
+
+Description:
+This contains a copy of opus-1.0.1-rc3 library
+
+This library is used by Chrome Remote Desktop for audio stream
+encoding/decoding. It will also be used by WebRTC.
diff --git a/third_party/opus/opus.gyp b/third_party/opus/opus.gyp
new file mode 100644
index 0000000..c11c9e1
--- /dev/null
+++ b/third_party/opus/opus.gyp
@@ -0,0 +1,248 @@
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'use_system_opus%': 0,
+  },
+  'conditions': [
+    ['use_system_opus==0', {
+      'targets': [
+        {
+          'target_name': 'opus',
+          'type': 'static_library',
+          'include_dirs': [
+            'src/celt',
+            'src/include',
+            'src/silk',
+            'src/silk/float',
+          ],
+          'defines': [
+            'OPUS_BUILD',
+            'VAR_ARRAYS',
+            'WORDS_BIGENDIAN',
+          ],
+          'sources': [
+            'src/celt/_kiss_fft_guts.h',
+            'src/celt/arch.h',
+            'src/celt/bands.c',
+            'src/celt/bands.h',
+            'src/celt/celt.c',
+            'src/celt/celt.h',
+            'src/celt/celt_lpc.c',
+            'src/celt/celt_lpc.h',
+            'src/celt/cwrs.c',
+            'src/celt/cwrs.h',
+            'src/celt/ecintrin.h',
+            'src/celt/entcode.c',
+            'src/celt/entcode.h',
+            'src/celt/entdec.c',
+            'src/celt/entdec.h',
+            'src/celt/entenc.c',
+            'src/celt/entenc.h',
+            'src/celt/fixed_debug.h',
+            'src/celt/fixed_generic.h',
+            'src/celt/float_cast.h',
+            'src/celt/kiss_fft.c',
+            'src/celt/kiss_fft.h',
+            'src/celt/laplace.c',
+            'src/celt/laplace.h',
+            'src/celt/mathops.c',
+            'src/celt/mathops.h',
+            'src/celt/mdct.c',
+            'src/celt/mdct.h',
+            'src/celt/mfrngcod.h',
+            'src/celt/modes.c',
+            'src/celt/modes.h',
+            'src/celt/os_support.h',
+            'src/celt/pitch.c',
+            'src/celt/pitch.h',
+            'src/celt/quant_bands.c',
+            'src/celt/quant_bands.h',
+            'src/celt/rate.c',
+            'src/celt/rate.h',
+            'src/celt/stack_alloc.h',
+            'src/celt/static_modes_fixed.h',
+            'src/celt/static_modes_float.h',
+            'src/celt/vq.c',
+            'src/celt/vq.h',
+            'src/include/opus.h',
+            'src/include/opus_custom.h',
+            'src/include/opus_defines.h',
+            'src/include/opus_multistream.h',
+            'src/include/opus_types.h',
+            'src/silk/A2NLSF.c',
+            'src/silk/ana_filt_bank_1.c',
+            'src/silk/API.h',
+            'src/silk/biquad_alt.c',
+            'src/silk/bwexpander.c',
+            'src/silk/bwexpander_32.c',
+            'src/silk/check_control_input.c',
+            'src/silk/CNG.c',
+            'src/silk/code_signs.c',
+            'src/silk/control.h',
+            'src/silk/control_audio_bandwidth.c',
+            'src/silk/control_codec.c',
+            'src/silk/control_SNR.c',
+            'src/silk/debug.c',
+            'src/silk/debug.h',
+            'src/silk/dec_API.c',
+            'src/silk/decode_core.c',
+            'src/silk/decode_frame.c',
+            'src/silk/decode_indices.c',
+            'src/silk/decode_parameters.c',
+            'src/silk/decode_pitch.c',
+            'src/silk/decode_pulses.c',
+            'src/silk/decoder_set_fs.c',
+            'src/silk/define.h',
+            'src/silk/enc_API.c',
+            'src/silk/encode_indices.c',
+            'src/silk/encode_pulses.c',
+            'src/silk/errors.h',
+            'src/silk/float/apply_sine_window_FLP.c',
+            'src/silk/float/autocorrelation_FLP.c',
+            'src/silk/float/burg_modified_FLP.c',
+            'src/silk/float/bwexpander_FLP.c',
+            'src/silk/float/corrMatrix_FLP.c',
+            'src/silk/float/encode_frame_FLP.c',
+            'src/silk/float/energy_FLP.c',
+            'src/silk/float/find_LPC_FLP.c',
+            'src/silk/float/find_LTP_FLP.c',
+            'src/silk/float/find_pitch_lags_FLP.c',
+            'src/silk/float/find_pred_coefs_FLP.c',
+            'src/silk/float/inner_product_FLP.c',
+            'src/silk/float/k2a_FLP.c',
+            'src/silk/float/levinsondurbin_FLP.c',
+            'src/silk/float/LPC_analysis_filter_FLP.c',
+            'src/silk/float/LPC_inv_pred_gain_FLP.c',
+            'src/silk/float/LTP_analysis_filter_FLP.c',
+            'src/silk/float/LTP_scale_ctrl_FLP.c',
+            'src/silk/float/main_FLP.h',
+            'src/silk/float/noise_shape_analysis_FLP.c',
+            'src/silk/float/pitch_analysis_core_FLP.c',
+            'src/silk/float/prefilter_FLP.c',
+            'src/silk/float/process_gains_FLP.c',
+            'src/silk/float/regularize_correlations_FLP.c',
+            'src/silk/float/residual_energy_FLP.c',
+            'src/silk/float/scale_copy_vector_FLP.c',
+            'src/silk/float/scale_vector_FLP.c',
+            'src/silk/float/schur_FLP.c',
+            'src/silk/float/SigProc_FLP.h',
+            'src/silk/float/silk_float.vcxproj',
+            'src/silk/float/silk_float.vcxproj.filters',
+            'src/silk/float/solve_LS_FLP.c',
+            'src/silk/float/sort_FLP.c',
+            'src/silk/float/structs_FLP.h',
+            'src/silk/float/warped_autocorrelation_FLP.c',
+            'src/silk/float/wrappers_FLP.c',
+            'src/silk/gain_quant.c',
+            'src/silk/HP_variable_cutoff.c',
+            'src/silk/init_decoder.c',
+            'src/silk/init_encoder.c',
+            'src/silk/Inlines.h',
+            'src/silk/inner_prod_aligned.c',
+            'src/silk/interpolate.c',
+            'src/silk/lin2log.c',
+            'src/silk/log2lin.c',
+            'src/silk/LP_variable_cutoff.c',
+            'src/silk/LPC_analysis_filter.c',
+            'src/silk/LPC_inv_pred_gain.c',
+            'src/silk/MacroCount.h',
+            'src/silk/MacroDebug.h',
+            'src/silk/macros.h',
+            'src/silk/main.h',
+            'src/silk/NLSF2A.c',
+            'src/silk/NLSF_decode.c',
+            'src/silk/NLSF_del_dec_quant.c',
+            'src/silk/NLSF_encode.c',
+            'src/silk/NLSF_stabilize.c',
+            'src/silk/NLSF_unpack.c',
+            'src/silk/NLSF_VQ.c',
+            'src/silk/NLSF_VQ_weights_laroia.c',
+            'src/silk/NSQ.c',
+            'src/silk/NSQ_del_dec.c',
+            'src/silk/pitch_est_defines.h',
+            'src/silk/pitch_est_tables.c',
+            'src/silk/PLC.c',
+            'src/silk/PLC.h',
+            'src/silk/process_NLSFs.c',
+            'src/silk/quant_LTP_gains.c',
+            'src/silk/resampler.c',
+            'src/silk/resampler_down2.c',
+            'src/silk/resampler_down2_3.c',
+            'src/silk/resampler_private.h',
+            'src/silk/resampler_private_AR2.c',
+            'src/silk/resampler_private_down_FIR.c',
+            'src/silk/resampler_private_IIR_FIR.c',
+            'src/silk/resampler_private_up2_HQ.c',
+            'src/silk/resampler_rom.c',
+            'src/silk/resampler_rom.h',
+            'src/silk/resampler_structs.h',
+            'src/silk/shell_coder.c',
+            'src/silk/sigm_Q15.c',
+            'src/silk/SigProc_FIX.h',
+            'src/silk/sort.c',
+            'src/silk/stereo_decode_pred.c',
+            'src/silk/stereo_encode_pred.c',
+            'src/silk/stereo_find_predictor.c',
+            'src/silk/stereo_LR_to_MS.c',
+            'src/silk/stereo_MS_to_LR.c',
+            'src/silk/stereo_quant_pred.c',
+            'src/silk/structs.h',
+            'src/silk/sum_sqr_shift.c',
+            'src/silk/table_LSF_cos.c',
+            'src/silk/tables.h',
+            'src/silk/tables_gain.c',
+            'src/silk/tables_LTP.c',
+            'src/silk/tables_NLSF_CB_NB_MB.c',
+            'src/silk/tables_NLSF_CB_WB.c',
+            'src/silk/tables_other.c',
+            'src/silk/tables_pitch_lag.c',
+            'src/silk/tables_pulses_per_block.c',
+            'src/silk/tuning_parameters.h',
+            'src/silk/typedef.h',
+            'src/silk/VAD.c',
+            'src/silk/VQ_WMat_EC.c',
+            'src/src/opus.c',
+            'src/src/opus_decoder.c',
+            'src/src/opus_encoder.c',
+            'src/src/opus_multistream.c',
+            'src/src/repacketizer.c',
+          ],
+          'conditions': [
+            ['os_posix == 1', {
+              'defines': [
+                'HAVE_LRINT',
+                'HAVE_LRINTF',
+              ],
+            }],
+          ],
+        },  # target opus
+      ]
+    }, {  # use_system_opus != 0
+      'targets': [
+        {
+          'target_name': 'opus',
+          'type': 'none',
+          'direct_dependent_settings': {
+            'cflags': [
+              '<!@(pkg-config --cflags opus)',
+            ],
+            'defines': [
+              'USE_SYSTEM_OPUS',
+            ],
+          },
+          'link_settings': {
+            'ldflags': [
+              '<!@(pkg-config --libs-only-L --libs-only-other opus)',
+            ],
+            'libraries': [
+              '<!@(pkg-config --libs-only-l opus)',
+            ],
+          },
+        },  # target opus
+      ],
+    }],
+  ],
+}
diff --git a/third_party/opus/opus.h b/third_party/opus/opus.h
new file mode 100644
index 0000000..8e7b483
--- /dev/null
+++ b/third_party/opus/opus.h
@@ -0,0 +1,12 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This is a shim header to include the right opus header.
+// Use this instead of referencing the opus header directly.
+
+#if defined(USE_SYSTEM_OPUS)
+#include <opus/opus.h>
+#else
+#include "third_party/opus/src/include/opus.h"
+#endif