Count input buffers.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=117228451

library/src/main/java/com/google/android/exoplayer/CodecCounters.java

@@ -26,6 +26,7 @@ public final class CodecCounters {
 
 
   public int codecInitCount;
   public int codecInitCount;
   public int codecReleaseCount;
   public int codecReleaseCount;
+  public int inputBufferCount;
   public int outputFormatChangedCount;
   public int outputFormatChangedCount;
   public int outputBuffersChangedCount;
   public int outputBuffersChangedCount;
   public int renderedOutputBufferCount;
   public int renderedOutputBufferCount;
@@ -48,6 +49,7 @@ public final class CodecCounters {
     StringBuilder builder = new StringBuilder();
     StringBuilder builder = new StringBuilder();
     builder.append("cic:").append(codecInitCount);
     builder.append("cic:").append(codecInitCount);
     builder.append(" crc:").append(codecReleaseCount);
     builder.append(" crc:").append(codecReleaseCount);
+    builder.append(" ibc:").append(inputBufferCount);
     builder.append(" ofc:").append(outputFormatChangedCount);
     builder.append(" ofc:").append(outputFormatChangedCount);
     builder.append(" obc:").append(outputBuffersChangedCount);
     builder.append(" obc:").append(outputBuffersChangedCount);
     builder.append(" ren:").append(renderedOutputBufferCount);
     builder.append(" ren:").append(renderedOutputBufferCount);

library/src/main/java/com/google/android/exoplayer/MediaCodecTrackRenderer.java

@@ -661,6 +661,7 @@ public abstract class MediaCodecTrackRenderer extends SampleSourceTrackRenderer
       inputIndex = -1;
       inputIndex = -1;
       codecReceivedBuffers = true;
       codecReceivedBuffers = true;
       codecReconfigurationState = RECONFIGURATION_STATE_NONE;
       codecReconfigurationState = RECONFIGURATION_STATE_NONE;
+      codecCounters.inputBufferCount++;
       onQueuedInputBuffer(presentationTimeUs);
       onQueuedInputBuffer(presentationTimeUs);
     } catch (CryptoException e) {
     } catch (CryptoException e) {
       notifyCryptoError(e);
       notifyCryptoError(e);