Support HLS MPEG2 TS with SAMPLE-AES encryption.

media/media.gyp

 # 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': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 22 matching lines @@
       }, {
         'use_low_memory_buffer%': 0,
       }],
       ['proprietary_codecs==1 and chromecast==1', {
         # Enable AC3/EAC3 audio demuxing. Actual decoding must be provided by
         # the platform (or HDMI sink in Chromecast for audio pass-through case).
         'enable_ac3_eac3_audio_demuxing%': 1,
         # Enable HEVC/H265 demuxing. Actual decoding must be provided by the
         # platform.
         'enable_hevc_demuxing%': 1,
         'enable_mse_mpeg2ts_stream_parser%': 1,

[ddorwin, 2016/03/31 20:59:21]

enable_hls_sample_aes was removed. Is that because this only needs to be
supported on GN?

[dougsteed, 2016/04/01 01:19:28]

No it was actually a rebasing error , it ended up being declared twice (see just
below). Although we have now moved off gyp and onto gn in cast builds, so I
don't anticipate maintaining the gyp file any longer.

       }, {
         'enable_ac3_eac3_audio_demuxing%': 0,
         'enable_hevc_demuxing%': 0,
         'enable_mse_mpeg2ts_stream_parser%': 0,
       }],
+      ['proprietary_codecs==1 and is_cast_desktop_build==1', {
+        'enable_hls_sample_aes%': 1,
+      }, {
+        'enable_hls_sample_aes%': 0,
+      }],
     ],
   },
   'includes': [
     'capture.gypi',
     'media_cdm.gypi',
     'media_variables.gypi',
   ],
   'targets': [
     {
       # GN version: //media:media_features
       'target_name': 'media_features',
       'includes': [ '../build/buildflag_header.gypi' ],
       'variables': {
         'buildflag_header_path': 'media/media_features.h',
         'buildflag_flags': [
           "ENABLE_AC3_EAC3_AUDIO_DEMUXING=<(enable_ac3_eac3_audio_demuxing)",
           "ENABLE_HEVC_DEMUXING=<(enable_hevc_demuxing)",
           "ENABLE_MSE_MPEG2TS_STREAM_PARSER=<(enable_mse_mpeg2ts_stream_parser)",
+          "ENABLE_HLS_SAMPLE_AES=<(enable_hls_sample_aes)",
         ],
       },
     },
     {
       # GN version: //media
       'target_name': 'media',
       'type': '<(component)',
       'dependencies': [
         'media_features',
         '../base/base.gyp:base',
@@ skipping 966 matching lines @@
             'formats/mpeg/adts_stream_parser.cc',
             'formats/mpeg/adts_stream_parser.h',
             'formats/mpeg/mpeg1_audio_stream_parser.cc',
             'formats/mpeg/mpeg1_audio_stream_parser.h',
             'formats/mpeg/mpeg_audio_stream_parser_base.cc',
             'formats/mpeg/mpeg_audio_stream_parser_base.h',
           ],
         }],
         ['proprietary_codecs==1 and enable_mse_mpeg2ts_stream_parser==1', {
           'sources': [
+            'formats/mp2t/descriptors.cc',
+            'formats/mp2t/descriptors.h',
             'formats/mp2t/es_adapter_video.cc',
             'formats/mp2t/es_adapter_video.h',
             'formats/mp2t/es_parser.cc',
             'formats/mp2t/es_parser.h',
             'formats/mp2t/es_parser_adts.cc',
             'formats/mp2t/es_parser_adts.h',
             'formats/mp2t/es_parser_h264.cc',
             'formats/mp2t/es_parser_h264.h',
             'formats/mp2t/es_parser_mpeg1audio.cc',
             'formats/mp2t/es_parser_mpeg1audio.h',
@@ skipping 22 matching lines @@
             'formats/mp4/hevc.cc',
             'formats/mp4/hevc.h',
           ],
         }],
         ['proprietary_codecs==1 and enable_hevc_demuxing==1 and media_use_ffmpeg==1', {
           'sources': [
             'filters/ffmpeg_h265_to_annex_b_bitstream_converter.cc',
             'filters/ffmpeg_h265_to_annex_b_bitstream_converter.h',
           ],
         }],
+        ['proprietary_codecs==1 and enable_hls_sample_aes==1', {
+          'sources': [
+            'formats/mp2t/ts_section_cat.cc',
+            'formats/mp2t/ts_section_cat.h',
+            'formats/mp2t/ts_section_cets_ecm.cc',
+            'formats/mp2t/ts_section_cets_ecm.h',
+            'formats/mp2t/ts_section_cets_pssh.cc',
+            'formats/mp2t/ts_section_cets_pssh.h',
+          ],
+        }],
         ['target_arch=="ia32" or target_arch=="x64"', {
           'dependencies': [
             'media_asm',
           ],
           'sources': [
             'base/simd/convert_rgb_to_yuv_sse2.cc',
             'base/simd/convert_rgb_to_yuv_ssse3.cc',
             'base/simd/convert_yuv_to_rgb_x86.cc',
             'base/simd/filter_yuv_sse2.cc',
           ],
@@ skipping 42 matching lines @@
         'media_test_support',
         'shared_memory_support',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/base.gyp:test_support_base',
         '../gpu/gpu.gyp:command_buffer_common',
         '../gpu/gpu.gyp:gpu_unittest_utils',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
+        '../third_party/boringssl/boringssl.gyp:boringssl',
         '../third_party/libwebm/libwebm.gyp:libwebm',
         '../third_party/libyuv/libyuv.gyp:libyuv',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../ui/gfx/gfx.gyp:gfx_test_support',
         '../url/url.gyp:url_lib',
       ],
       'sources': [
         '<@(capture_unittests_sources)',
@@ skipping 947 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }