Bv2.1 7.3: audio sample rate must be 48kHz.

3 files changed, 13 insertions, 2 deletions

diff --git a/src/sound_asset.h b/src/sound_asset.h
index 69f74c6a..cc8f2ce0 100644
--- a/src/sound_asset.h
+++ b/src/sound_asset.h
@@ -51,7 +51,7 @@ namespace dcp {
 }
 
 extern std::shared_ptr<dcp::SoundAsset> simple_sound (
-	boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames
+	boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames, int sample_rate
 	);
 
 
@@ -106,7 +106,7 @@ public:
 private:
 	friend class SoundAssetWriter;
 	friend std::shared_ptr<dcp::SoundAsset> (::simple_sound) (
-		boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames
+		boost::filesystem::path path, std::string suffix, dcp::MXFMetadata mxf_meta, std::string language, int frames, int sample_rate
 		);
 
 	std::string pkl_type (Standard standard) const {
diff --git a/src/verify.cc b/src/verify.cc
index d1b4988a..b6498891 100644
--- a/src/verify.cc
+++ b/src/verify.cc
@@ -616,6 +616,13 @@ verify_main_sound_asset (
 	stage ("Checking sound asset metadata", asset->file());
 
 	verify_language_tag (asset->language(), notes);
+	if (asset->sampling_rate() != 48000) {
+		notes.push_back (
+			VerificationNote(
+				VerificationNote::VERIFY_BV21_ERROR, VerificationNote::INVALID_SOUND_FRAME_RATE, *asset->file()
+				)
+			);
+	}
 }
 
 
@@ -1210,6 +1217,8 @@ dcp::note_to_string (dcp::VerificationNote note)
 		return "There are more than 3 closed caption lines in at least one place, which is disallowed by Bv2.1";
 	case dcp::VerificationNote::CLOSED_CAPTION_LINE_TOO_LONG:
 		return "There are more than 32 characters in at least one closed caption line, which is disallowed by Bv2.1";
+	case dcp::VerificationNote::INVALID_SOUND_FRAME_RATE:
+		return "A sound asset has a sampling rate other than 48kHz, which is disallowed by Bv2.1";
 	}
 
 	return "";
diff --git a/src/verify.h b/src/verify.h
index 0398c909..fa16dfa1 100644
--- a/src/verify.h
+++ b/src/verify.h
@@ -131,6 +131,8 @@ public:
 		TOO_MANY_CLOSED_CAPTION_LINES,
 		/** There are more than 32 characters in at least one closed caption line [Bv2.1_7.2.6] */
 		CLOSED_CAPTION_LINE_TOO_LONG,
+		/** The audio sampling rate must be 48kHz [Bv2.1_7.3] */
+		INVALID_SOUND_FRAME_RATE,
 	};
 
 	VerificationNote (Type type, Code code)