Allow dynamic changes of format description.

shogo4405 · Apr 23, 2024 · d4f9168 · d4f9168
1 parent 78a945a
commit d4f9168
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/Sources/Codec/VideoCodec.swift b/Sources/Codec/VideoCodec.swift
@@ -52,15 +52,16 @@ final class VideoCodec<T: VideoCodecDelegate> {
     private var startedAt: CMTime = .zero
     private(set) var inputFormat: CMFormatDescription? {
         didSet {
-            guard !CMFormatDescriptionEqual(inputFormat, otherFormatDescription: oldValue) else {
+            guard inputFormat != oldValue else {
                 return
             }
+            invalidateSession = true
             outputFormat = nil
         }
     }
     private(set) var outputFormat: CMFormatDescription? {
         didSet {
-            guard !CMFormatDescriptionEqual(outputFormat, otherFormatDescription: oldValue) else {
+            guard outputFormat != oldValue else {
                 return
             }
             delegate?.videoCodec(self, didOutput: outputFormat)

diff --git a/Sources/ISO/ESSpecificData.swift b/Sources/ISO/ESSpecificData.swift
@@ -26,7 +26,7 @@ enum ESStreamType: UInt8 {
     }
 }
 
-struct ESSpecificData {
+struct ESSpecificData: Equatable {
     static let fixedHeaderSize: Int = 5
 
     var streamType: ESStreamType = .unspecific

diff --git a/Sources/ISO/TSReader.swift b/Sources/ISO/TSReader.swift
@@ -30,7 +30,10 @@ public class TSReader<T: TSReaderDelegate> {
         didSet {
             for (_, pmt) in pmt {
                 for data in pmt.elementaryStreamSpecificData {
-                    esSpecData[data.elementaryPID] = data
+                    if esSpecData[data.elementaryPID] != data {
+                        esSpecData[data.elementaryPID] = data
+                        formatDescriptions[data.elementaryPID] = nil
+                    }
                 }
             }
             if logger.isEnabledFor(level: .trace) {