feat: add AC-4 elementary streams and reference decoder

fluster/codec.py

@@ -30,6 +30,7 @@ class Codec(Enum):
     VP9 = "VP9"
     AAC = "AAC"
     AV1 = "AV1"
+    AC4 = "AC4"
     MPEG2_VIDEO = "MPEG2_VIDEO"
     MPEG4_VIDEO = "MPEG4_VIDEO"
 

fluster/decoders/ac4_decoder_reference.py

@@ -0,0 +1,48 @@
+# Fluster - testing framework for decoders conformance
+# Copyright (C) 2020, Fluendo, S.A.
+#  Author: Pablo Marcos Oltra <pmarcos@fluendo.com>, Fluendo, S.A.
+#  Author: Andoni Morales Alastruey <amorales@fluendo.com>, Fluendo, S.A.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation, either version 3
+# of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library. If not, see <https://www.gnu.org/licenses/>.
+
+from fluster.codec import Codec, OutputFormat
+from fluster.decoder import Decoder, register_decoder
+from fluster.utils import file_checksum, run_command
+
+
+@register_decoder
+class DolbyPADSDecoder(Decoder):
+    """AC-4 Dolby Pro Audio Decoder Software Development Kit reference decoder implementation"""
+
+    name = "DolbyPADSReferenceDecoder"
+    description = "AC-4 Dolby Pro Audio Decoder Software Development Kit reference decoder implementation"
+    binary = "decoder_reference_app_linux_x86_64"
+    codec = Codec.AC4
+
+    def decode(
+        self,
+        input_filepath: str,
+        output_filepath: str,
+        output_format: OutputFormat,
+        timeout: int,
+        verbose: bool,
+        keep_files: bool,
+    ) -> str:
+        """Decodes input_filepath in output_filepath"""
+        run_command(
+            [self.binary, "-i", input_filepath, "-o", output_filepath],
+            timeout=timeout,
+            verbose=verbose,
+        )
+        return file_checksum(output_filepath)

fluster/decoders/gstreamer.py

@@ -844,6 +844,19 @@ def __init__(self) -> None:
         super().__init__()
 
 
+@register_decoder
+class FluendoFluAC4DecGst10Decoder(GStreamer10Audio):
+    """Fluendo AC4 plugin decoder for GStreamer 1.0"""
+
+    def __init__(self) -> None:
+        self.codec = Codec.AC4
+        self.decoder_bin = "fluac4dec"
+        self.provider = "Fluendo"
+        self.api = "SW"
+        self.parser = "audio/x-ac4"
+        super().__init__()
+
+
 @register_decoder
 class FluendoFluLCEVCVAH264DecGst10Decoder(GStreamer10Video):
     """LCEVC-H264 decoder for GStreamer 1.0"""

test_suites/ac4/elementary_streams.json

@@ -0,0 +1,104 @@
+{
+    "name": "AC4_ELEMENTARY_STREAMS",
+    "codec": "AC4",
+    "description": "The test signals are used in the test procedure to verify the correct operation of a content creation product that packetizes Dolby AC-4 bitstreams into online delivery formats.",
+    "test_vectors": [
+        {
+            "name": "Audio_ID_2ch_64kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_2ch_64kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "fafbaf85aba8a356ed5028a9bac0763a"
+        },
+        {
+            "name": "Audio_ID_2ch_64kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_2ch_64kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "dc8426318b18c294ccdb373cfdd0470e"
+        },
+        {
+            "name": "Audio_ID_514ch_192kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_514ch_192kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "86ac79ed8802a6d99c8c6dc13709ef67"
+        },
+        {
+            "name": "Audio_ID_514ch_192kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_514ch_192kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "495e8f8966c085e50f2c3e69829256bb"
+        },
+        {
+            "name": "Audio_ID_6ch_128kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_6ch_128kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "a014c4a87fb1ba3d6e4aa270df26003a"
+        },
+        {
+            "name": "Audio_ID_6ch_128kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_6ch_128kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "59d2d88797f4a5873121e901ebb61db7"
+        },
+        {
+            "name": "Audio_ID_ims_112kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_ims_112kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "3be6544de42243e72e5320efee7ad853"
+        },
+        {
+            "name": "Audio_ID_ims_112kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Audio_ID_ims_112kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "412894104735faa4d9271ffe55606bfc"
+        },
+        {
+            "name": "Holi_en_6ch_128kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Holi_en_6ch_128kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "69df080a341691b7e09f8d45efe57139"
+        },
+        {
+            "name": "Holi_en_6ch_128kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Holi_en_6ch_128kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "b645245723ce8c3b5fd12cfd9e04ac3f"
+        },
+        {
+            "name": "Holi_fr_6ch_128kbps_25fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Holi_fr_6ch_128kbps_25fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "638d1fb73e868247fb689b04c45a6dd1"
+        },
+        {
+            "name": "Holi_fr_6ch_128kbps_2997fps_ac4.ac4",
+            "source": "https://ott.dolby.com/OnDelKits/AC-4/Dolby_AC-4_Online_Delivery_Kit_1.5/Test_Signals/elementary_streams/Audio.zip",
+            "source_checksum": "03c1abb0778a546c2c31f631e62b8c89",
+            "input_file": "Audio/Holi_fr_6ch_128kbps_2997fps_ac4.ac4",
+            "output_format": "Unknown",
+            "result": "05636608b15c8986440f9e3348c88c27"
+        }
+    ],
+    "test_method": "md5"
+}