From 81b6102d2099eec78a2db9ae3d101a8503dd4f25 Mon Sep 17 00:00:00 2001
From: nixxo <nixxo@protonmail.com>
Date: Fri, 30 Sep 2022 19:33:29 +0200
Subject: [PATCH] [downloader/ism] Support ec-3 codec (#5004)

Closes #296
Authored by: nixxo
---
 test/test_InfoExtractor.py           | 286 +++++++++++++++++++++++++++
 test/testdata/ism/ec-3_test.Manifest |   1 +
 yt_dlp/downloader/ism.py             |   2 +
 yt_dlp/extractor/common.py           |   5 +-
 yt_dlp/utils.py                      |   2 +-
 5 files changed, 293 insertions(+), 3 deletions(-)
 create mode 100644 test/testdata/ism/ec-3_test.Manifest

diff --git a/test/test_InfoExtractor.py b/test/test_InfoExtractor.py
index f57a29ffc..016a2ac7f 100644
--- a/test/test_InfoExtractor.py
+++ b/test/test_InfoExtractor.py
@@ -1567,6 +1567,292 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
                     ]
                 },
             ),
+            (
+                'ec-3_test',
+                'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                [{
+                    'format_id': 'audio_deu_1-224',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'isma',
+                    'tbr': 224,
+                    'asr': 48000,
+                    'vcodec': 'none',
+                    'acodec': 'EC-3',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'audio',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 0,
+                        'height': 0,
+                        'fourcc': 'EC-3',
+                        'language': 'deu',
+                        'codec_private_data': '00063F000000AF87FBA7022DFB42A4D405CD93843BDD0700200F00',
+                        'sampling_rate': 48000,
+                        'channels': 6,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'audio_ext': 'isma',
+                    'video_ext': 'none',
+                    'abr': 224,
+                }, {
+                    'format_id': 'audio_deu-127',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'isma',
+                    'tbr': 127,
+                    'asr': 48000,
+                    'vcodec': 'none',
+                    'acodec': 'AACL',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'audio',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 0,
+                        'height': 0,
+                        'fourcc': 'AACL',
+                        'language': 'deu',
+                        'codec_private_data': '1190',
+                        'sampling_rate': 48000,
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'audio_ext': 'isma',
+                    'video_ext': 'none',
+                    'abr': 127,
+                }, {
+                    'format_id': 'video_deu-23',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 384,
+                    'height': 216,
+                    'tbr': 23,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 384,
+                        'height': 216,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '000000016742C00CDB06077E5C05A808080A00000300020000030009C0C02EE0177CC6300F142AE00000000168CA8DC8',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 23,
+                }, {
+                    'format_id': 'video_deu-403',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 400,
+                    'height': 224,
+                    'tbr': 403,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 400,
+                        'height': 224,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D4014E98323B602D4040405000003000100000300320F1429380000000168EAECF2',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 403,
+                }, {
+                    'format_id': 'video_deu-680',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 640,
+                    'height': 360,
+                    'tbr': 680,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 640,
+                        'height': 360,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D401EE981405FF2E02D4040405000000300100000030320F162D3800000000168EAECF2',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 680,
+                }, {
+                    'format_id': 'video_deu-1253',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 640,
+                    'height': 360,
+                    'tbr': 1253,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 640,
+                        'height': 360,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D401EE981405FF2E02D4040405000000300100000030320F162D3800000000168EAECF2',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 1253,
+                }, {
+                    'format_id': 'video_deu-2121',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 768,
+                    'height': 432,
+                    'tbr': 2121,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 768,
+                        'height': 432,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D401EECA0601BD80B50101014000003000400000300C83C58B6580000000168E93B3C80',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 2121,
+                }, {
+                    'format_id': 'video_deu-3275',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 1280,
+                    'height': 720,
+                    'tbr': 3275,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 1280,
+                        'height': 720,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D4020ECA02802DD80B501010140000003004000000C83C60C65800000000168E93B3C80',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 3275,
+                }, {
+                    'format_id': 'video_deu-5300',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 1920,
+                    'height': 1080,
+                    'tbr': 5300,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 1920,
+                        'height': 1080,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D4028ECA03C0113F2E02D4040405000000300100000030320F18319600000000168E93B3C80',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 5300,
+                }, {
+                    'format_id': 'video_deu-8079',
+                    'url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'manifest_url': 'https://smstr01.dmm.t-online.de/smooth24/smoothstream_m1/streaming/sony/9221438342941275747/636887760842957027/25_km_h-Trailer-9221571562372022953_deu_20_1300k_HD_H_264_ISMV.ism/Manifest',
+                    'ext': 'ismv',
+                    'width': 1920,
+                    'height': 1080,
+                    'tbr': 8079,
+                    'vcodec': 'AVC1',
+                    'acodec': 'none',
+                    'protocol': 'ism',
+                    '_download_params':
+                    {
+                        'stream_type': 'video',
+                        'duration': 370000000,
+                        'timescale': 10000000,
+                        'width': 1920,
+                        'height': 1080,
+                        'fourcc': 'AVC1',
+                        'language': 'deu',
+                        'codec_private_data': '00000001674D4028ECA03C0113F2E02D4040405000000300100000030320F18319600000000168E93B3C80',
+                        'channels': 2,
+                        'bits_per_sample': 16,
+                        'nal_unit_length_field': 4
+                    },
+                    'video_ext': 'ismv',
+                    'audio_ext': 'none',
+                    'vbr': 8079,
+                }],
+                {},
+            ),
         ]
 
         for ism_file, ism_url, expected_formats, expected_subtitles in _TEST_CASES:
diff --git a/test/testdata/ism/ec-3_test.Manifest b/test/testdata/ism/ec-3_test.Manifest
new file mode 100644
index 000000000..45f95de73
--- /dev/null
+++ b/test/testdata/ism/ec-3_test.Manifest
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="utf-8"?><!--Transformed by VSMT using XSL stylesheet for rule Identity--><!-- Created with Unified Streaming Platform (version=1.10.12-18737) --><SmoothStreamingMedia MajorVersion="2" MinorVersion="0" TimeScale="10000000" Duration="370000000"><StreamIndex Type="audio" QualityLevels="1" TimeScale="10000000" Language="deu" Name="audio_deu" Chunks="19" Url="QualityLevels({bitrate})/Fragments(audio_deu={start time})?noStreamProfile=1"><QualityLevel Index="0" Bitrate="127802" CodecPrivateData="1190" SamplingRate="48000" Channels="2" BitsPerSample="16" PacketSize="4" AudioTag="255" FourCC="AACL" /><c t="0" d="20053333" /><c d="20053334" /><c d="20053333" /><c d="19840000" /><c d="20053333" /><c d="20053334" /><c d="20053333" /><c d="19840000" /><c d="20053333" /><c d="20053334" /><c d="20053333" /><c d="19840000" /><c d="20053333" /><c d="20053334" /><c d="20053333" /><c d="19840000" /><c d="20053333" /><c d="20053334" /><c d="7253333" /></StreamIndex><StreamIndex Type="audio" QualityLevels="1" TimeScale="10000000" Language="deu" Name="audio_deu_1" Chunks="19" Url="QualityLevels({bitrate})/Fragments(audio_deu_1={start time})?noStreamProfile=1"><QualityLevel Index="0" Bitrate="224000" CodecPrivateData="00063F000000AF87FBA7022DFB42A4D405CD93843BDD0700200F00" FourCCData="0700200F00" SamplingRate="48000" Channels="6" BitsPerSample="16" PacketSize="896" AudioTag="65534" FourCC="EC-3" /><c t="0" d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="20160000" /><c d="19840000" /><c d="8320000" /></StreamIndex><StreamIndex Type="video" QualityLevels="8" TimeScale="10000000" Language="deu" Name="video_deu" Chunks="19" Url="QualityLevels({bitrate})/Fragments(video_deu={start time})?noStreamProfile=1" MaxWidth="1920" MaxHeight="1080" DisplayWidth="1920" DisplayHeight="1080"><QualityLevel Index="0" Bitrate="23909" CodecPrivateData="000000016742C00CDB06077E5C05A808080A00000300020000030009C0C02EE0177CC6300F142AE00000000168CA8DC8" MaxWidth="384" MaxHeight="216" FourCC="AVC1" /><QualityLevel Index="1" Bitrate="403188" CodecPrivateData="00000001674D4014E98323B602D4040405000003000100000300320F1429380000000168EAECF2" MaxWidth="400" MaxHeight="224" FourCC="AVC1" /><QualityLevel Index="2" Bitrate="680365" CodecPrivateData="00000001674D401EE981405FF2E02D4040405000000300100000030320F162D3800000000168EAECF2" MaxWidth="640" MaxHeight="360" FourCC="AVC1" /><QualityLevel Index="3" Bitrate="1253465" CodecPrivateData="00000001674D401EE981405FF2E02D4040405000000300100000030320F162D3800000000168EAECF2" MaxWidth="640" MaxHeight="360" FourCC="AVC1" /><QualityLevel Index="4" Bitrate="2121558" CodecPrivateData="00000001674D401EECA0601BD80B50101014000003000400000300C83C58B6580000000168E93B3C80" MaxWidth="768" MaxHeight="432" FourCC="AVC1" /><QualityLevel Index="5" Bitrate="3275545" CodecPrivateData="00000001674D4020ECA02802DD80B501010140000003004000000C83C60C65800000000168E93B3C80" MaxWidth="1280" MaxHeight="720" FourCC="AVC1" /><QualityLevel Index="6" Bitrate="5300196" CodecPrivateData="00000001674D4028ECA03C0113F2E02D4040405000000300100000030320F18319600000000168E93B3C80" MaxWidth="1920" MaxHeight="1080" FourCC="AVC1" /><QualityLevel Index="7" Bitrate="8079312" CodecPrivateData="00000001674D4028ECA03C0113F2E02D4040405000000300100000030320F18319600000000168E93B3C80" MaxWidth="1920" MaxHeight="1080" FourCC="AVC1" /><c t="0" d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="20000000" /><c d="10000000" /></StreamIndex></SmoothStreamingMedia>
\ No newline at end of file
diff --git a/yt_dlp/downloader/ism.py b/yt_dlp/downloader/ism.py
index 801b5af81..c961dc62e 100644
--- a/yt_dlp/downloader/ism.py
+++ b/yt_dlp/downloader/ism.py
@@ -138,6 +138,8 @@ def write_piff_header(stream, params):
 
         if fourcc == 'AACL':
             sample_entry_box = box(b'mp4a', sample_entry_payload)
+        if fourcc == 'EC-3':
+            sample_entry_box = box(b'ec-3', sample_entry_payload)
     elif stream_type == 'video':
         sample_entry_payload += u16.pack(0)  # pre defined
         sample_entry_payload += u16.pack(0)  # reserved
diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index d36f025ab..11e715871 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -3124,9 +3124,10 @@ class InfoExtractor:
             stream_name = stream.get('Name')
             stream_language = stream.get('Language', 'und')
             for track in stream.findall('QualityLevel'):
-                fourcc = track.get('FourCC') or ('AACL' if track.get('AudioTag') == '255' else None)
+                KNOWN_TAGS = {'255': 'AACL', '65534': 'EC-3'}
+                fourcc = track.get('FourCC') or KNOWN_TAGS.get(track.get('AudioTag'))
                 # TODO: add support for WVC1 and WMAP
-                if fourcc not in ('H264', 'AVC1', 'AACL', 'TTML'):
+                if fourcc not in ('H264', 'AVC1', 'AACL', 'TTML', 'EC-3'):
                     self.report_warning('%s is not a supported codec' % fourcc)
                     continue
                 tbr = int(track.attrib['Bitrate']) // 1000
diff --git a/yt_dlp/utils.py b/yt_dlp/utils.py
index 3e2ce8434..6cba9299a 100644
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@@ -3546,7 +3546,7 @@ def get_compatible_ext(*, vcodecs, acodecs, vexts, aexts, preferences=None):
     COMPATIBLE_CODECS = {
         'mp4': {
             'av1', 'hevc', 'avc1', 'mp4a',  # fourcc (m3u8, mpd)
-            'h264', 'aacl',  # Set in ISM
+            'h264', 'aacl', 'ec-3',  # Set in ISM
         },
         'webm': {
             'av1', 'vp9', 'vp8', 'opus', 'vrbs',