Merge "V1 is the latest version of android.media.audio.common.types" into tm-dev
diff --git a/media/codec2/components/aom/C2SoftAomDec.cpp b/media/codec2/components/aom/C2SoftAomDec.cpp
index c7985ca..3b0e949 100644
--- a/media/codec2/components/aom/C2SoftAomDec.cpp
+++ b/media/codec2/components/aom/C2SoftAomDec.cpp
@@ -261,8 +261,7 @@
     CREATE_DUMP_FILE(mInFile);
     CREATE_DUMP_FILE(mOutFile);
 
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 C2SoftAomDec::~C2SoftAomDec() {
@@ -463,19 +462,17 @@
     int64_t frameIndex = work->input.ordinal.frameIndex.peekll();
     if (inSize) {
         uint8_t* bitstream = const_cast<uint8_t*>(rView.data() + inOffset);
-        int32_t decodeTime = 0;
-        int32_t delay = 0;
 
         DUMP_TO_FILE(mOutFile, bitstream, inSize);
-        GETTIME(&mTimeStart, nullptr);
-        TIME_DIFF(mTimeEnd, mTimeStart, delay);
+        mTimeStart = systemTime();
+        nsecs_t delay = mTimeStart - mTimeEnd;
 
         aom_codec_err_t err =
             aom_codec_decode(mCodecCtx, bitstream, inSize, &frameIndex);
 
-        GETTIME(&mTimeEnd, nullptr);
-        TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
-        ALOGV("decodeTime=%4d delay=%4d\n", decodeTime, delay);
+        mTimeEnd = systemTime();
+        nsecs_t decodeTime = mTimeEnd - mTimeStart;
+        ALOGV("decodeTime=%4" PRId64 " delay=%4" PRId64 "\n", decodeTime, delay);
 
         if (err != AOM_CODEC_OK) {
             ALOGE("av1 decoder failed to decode frame err: %d", err);
diff --git a/media/codec2/components/aom/C2SoftAomDec.h b/media/codec2/components/aom/C2SoftAomDec.h
index 4c82647..8b953fe 100644
--- a/media/codec2/components/aom/C2SoftAomDec.h
+++ b/media/codec2/components/aom/C2SoftAomDec.h
@@ -17,15 +17,12 @@
 #ifndef ANDROID_C2_SOFT_AV1_DEC_H_
 #define ANDROID_C2_SOFT_AV1_DEC_H_
 
+#include <inttypes.h>
+
 #include <SimpleC2Component.h>
 #include "aom/aom_decoder.h"
 #include "aom/aomdx.h"
 
-#define GETTIME(a, b) gettimeofday(a, b);
-#define TIME_DIFF(start, end, diff)     \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
-
 namespace android {
 
 struct C2SoftAomDec : public SimpleC2Component {
@@ -60,8 +57,8 @@
     char mOutFile[200];
     #endif /* FILE_DUMP_ENABLE */
 
-    struct timeval mTimeStart;   // Time at the start of decode()
-    struct timeval mTimeEnd;     // Time at the end of decode()
+    nsecs_t mTimeStart = 0;   // Time at the start of decode()
+    nsecs_t mTimeEnd = 0;     // Time at the end of decode()
 
     status_t initDecoder();
     status_t destroyDecoder();
@@ -85,14 +82,13 @@
 #define OUTPUT_DUMP_EXT "av1"
 #define GENERATE_FILE_NAMES()                                                 \
     {                                                                         \
-        GETTIME(&mTimeStart, NULL);                                           \
-        strcpy(mInFile, "");                                                  \
+        nsecs_t now = systemTime();                                           \
         ALOGD("GENERATE_FILE_NAMES");                                         \
-        sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH, mTimeStart.tv_sec, \
-                mTimeStart.tv_usec, INPUT_DUMP_EXT);                          \
+        sprintf(mInFile, "%s_%" PRId64 ".%s", INPUT_DUMP_PATH,                \
+                now, INPUT_DUMP_EXT);                                         \
         strcpy(mOutFile, "");                                                 \
-        sprintf(mOutFile, "%s_%ld.%ld.%s", OUTPUT_DUMP_PATH,                  \
-                mTimeStart.tv_sec, mTimeStart.tv_usec, OUTPUT_DUMP_EXT);      \
+        sprintf(mOutFile, "%s_%" PRId64 ".%s", OUTPUT_DUMP_PATH,              \
+                now, OUTPUT_DUMP_EXT);                                        \
     }
 
 #define CREATE_DUMP_FILE(m_filename)                     \
diff --git a/media/codec2/components/avc/C2SoftAvcDec.cpp b/media/codec2/components/avc/C2SoftAvcDec.cpp
index cc4517d..953afc5 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.cpp
+++ b/media/codec2/components/avc/C2SoftAvcDec.cpp
@@ -670,8 +670,7 @@
 
 void C2SoftAvcDec::resetPlugin() {
     mSignalledOutputEos = false;
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 status_t C2SoftAvcDec::deleteDecoder() {
@@ -866,14 +865,13 @@
                 setParams(mStride, IVD_DECODE_HEADER);
             }
 
-            WORD32 delay;
-            GETTIME(&mTimeStart, nullptr);
-            TIME_DIFF(mTimeEnd, mTimeStart, delay);
+            mTimeStart = systemTime();
+            nsecs_t delay = mTimeStart - mTimeEnd;
             (void) ivdec_api_function(mDecHandle, &s_h264d_decode_ip, &s_h264d_decode_op);
-            WORD32 decodeTime;
-            GETTIME(&mTimeEnd, nullptr);
-            TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
-            ALOGV("decodeTime=%6d delay=%6d numBytes=%6d", decodeTime, delay,
+
+            mTimeEnd = systemTime();
+            nsecs_t decodeTime = mTimeEnd - mTimeStart;
+            ALOGV("decodeTime=%" PRId64 " delay=%" PRId64 " numBytes=%6d", decodeTime, delay,
                   ps_decode_op->u4_num_bytes_consumed);
         }
         if (IVD_MEM_ALLOC_FAILED == (ps_decode_op->u4_error_code & IVD_ERROR_MASK)) {
diff --git a/media/codec2/components/avc/C2SoftAvcDec.h b/media/codec2/components/avc/C2SoftAvcDec.h
index 59d5184..36a463e 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.h
+++ b/media/codec2/components/avc/C2SoftAvcDec.h
@@ -18,6 +18,7 @@
 #define ANDROID_C2_SOFT_AVC_DEC_H_
 
 #include <sys/time.h>
+#include <inttypes.h>
 
 #include <media/stagefright/foundation/ColorUtils.h>
 
@@ -43,19 +44,15 @@
 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
         (IVD_CONTROL_API_COMMAND_TYPE_T)IH264D_CMD_CTL_SET_NUM_CORES
 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
-#define GETTIME(a, b)                   gettimeofday(a, b);
-#define TIME_DIFF(start, end, diff)     \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
 
 #ifdef FILE_DUMP_ENABLE
     #define INPUT_DUMP_PATH     "/sdcard/clips/avcd_input"
     #define INPUT_DUMP_EXT      "h264"
     #define GENERATE_FILE_NAMES() {                         \
-        GETTIME(&mTimeStart, NULL);                         \
+        nsecs_t now = systemTime();                         \
         strcpy(mInFile, "");                                \
-        sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH,  \
-                mTimeStart.tv_sec, mTimeStart.tv_usec,      \
+        sprintf(mInFile, "%s_%" PRId64 "d.%s",              \
+                INPUT_DUMP_PATH, now,                       \
                 INPUT_DUMP_EXT);                            \
     }
     #define CREATE_DUMP_FILE(m_filename) {                  \
@@ -183,8 +180,8 @@
     } mBitstreamColorAspects;
 
     // profile
-    struct timeval mTimeStart;
-    struct timeval mTimeEnd;
+    nsecs_t mTimeStart = 0;
+    nsecs_t mTimeEnd = 0;
 #ifdef FILE_DUMP_ENABLE
     char mInFile[200];
 #endif /* FILE_DUMP_ENABLE */
diff --git a/media/codec2/components/avc/C2SoftAvcEnc.cpp b/media/codec2/components/avc/C2SoftAvcEnc.cpp
index d65ffa5..4ffcd59 100644
--- a/media/codec2/components/avc/C2SoftAvcEnc.cpp
+++ b/media/codec2/components/avc/C2SoftAvcEnc.cpp
@@ -656,8 +656,7 @@
     mEntropyMode = DEFAULT_ENTROPY_MODE;
     mBframes = DEFAULT_B_FRAMES;
 
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 c2_status_t C2SoftAvcEnc::setDimensions() {
@@ -1650,8 +1649,7 @@
     work->worklets.front()->output.flags = work->input.flags;
 
     IV_STATUS_T status;
-    WORD32 timeDelay = 0;
-    WORD32 timeTaken = 0;
+    nsecs_t timeDelay = 0;
     uint64_t workIndex = work->input.ordinal.frameIndex.peekull();
 
     // Initialize encoder if not already initialized
@@ -1817,10 +1815,10 @@
         //         mInFile, s_encode_ip.s_inp_buf.apv_bufs[0],
         //         (mHeight * mStride * 3 / 2));
 
-        GETTIME(&mTimeStart, nullptr);
         /* Compute time elapsed between end of previous decode()
          * to start of current decode() */
-        TIME_DIFF(mTimeEnd, mTimeStart, timeDelay);
+        mTimeStart = systemTime();
+        timeDelay = mTimeStart - mTimeEnd;
         status = ive_api_function(mCodecCtx, &s_video_encode_ip, &s_video_encode_op);
 
         if (IV_SUCCESS != status) {
@@ -1844,11 +1842,11 @@
         mBuffers[ps_encode_ip->s_inp_buf.apv_bufs[0]] = inputBuffer;
     }
 
-    GETTIME(&mTimeEnd, nullptr);
     /* Compute time taken for decode() */
-    TIME_DIFF(mTimeStart, mTimeEnd, timeTaken);
+    mTimeEnd = systemTime();
+    nsecs_t timeTaken = mTimeEnd - mTimeStart;
 
-    ALOGV("timeTaken=%6d delay=%6d numBytes=%6d", timeTaken, timeDelay,
+    ALOGV("timeTaken=%" PRId64 "d delay=%" PRId64 " numBytes=%6d", timeTaken, timeDelay,
             ps_encode_op->s_out_buf.u4_bytes);
 
     void *freed = ps_encode_op->s_inp_buf.apv_bufs[0];
diff --git a/media/codec2/components/avc/C2SoftAvcEnc.h b/media/codec2/components/avc/C2SoftAvcEnc.h
index 1fecd9e..293867d 100644
--- a/media/codec2/components/avc/C2SoftAvcEnc.h
+++ b/media/codec2/components/avc/C2SoftAvcEnc.h
@@ -18,6 +18,7 @@
 #define ANDROID_C2_SOFT_AVC_ENC_H__
 
 #include <map>
+#include <inttypes.h>
 
 #include <utils/Vector.h>
 
@@ -115,14 +116,6 @@
 /** Used to remove warnings about unused parameters */
 #define UNUSED(x) ((void)(x))
 
-/** Get time */
-#define GETTIME(a, b) gettimeofday(a, b);
-
-/** Compute difference between start and end */
-#define TIME_DIFF(start, end, diff) \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
-
 #define ive_aligned_malloc(alignment, size) memalign(alignment, size)
 #define ive_aligned_free(buf) free(buf)
 
@@ -148,6 +141,7 @@
     virtual ~C2SoftAvcEnc();
 
 private:
+    // RBE What does OMX have to do with the c2 plugin?
     // OMX input buffer's timestamp and flags
     typedef struct {
         int64_t mTimeUs;
@@ -158,8 +152,8 @@
 
     int32_t mStride;
 
-    struct timeval mTimeStart;   // Time at the start of decode()
-    struct timeval mTimeEnd;     // Time at the end of decode()
+    nsecs_t mTimeStart = 0;   // Time at the start of decode()
+    nsecs_t mTimeEnd = 0;     // Time at the end of decode()
 
 #ifdef FILE_DUMP_ENABLE
     char mInFile[200];
@@ -259,14 +253,14 @@
 #define OUTPUT_DUMP_EXT     "h264"
 
 #define GENERATE_FILE_NAMES() {                         \
-    GETTIME(&mTimeStart, NULL);                         \
+    nsecs_t now = systemTime();                         \
     strcpy(mInFile, "");                                \
-    sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH,  \
-            mTimeStart.tv_sec, mTimeStart.tv_usec,      \
+    sprintf(mInFile, "%s_%" PRId64 "d.%s",              \
+            INPUT_DUMP_PATH, now,                       \
             INPUT_DUMP_EXT);                            \
     strcpy(mOutFile, "");                               \
-    sprintf(mOutFile, "%s_%ld.%ld.%s", OUTPUT_DUMP_PATH,\
-            mTimeStart.tv_sec, mTimeStart.tv_usec,      \
+    sprintf(mOutFile, "%s_%" PRId64 "d.%s",             \
+            OUTPUT_DUMP_PATH, now,                      \
             OUTPUT_DUMP_EXT);                           \
 }
 
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.cpp b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
index c4cbb78..f5c8138 100644
--- a/media/codec2/components/gav1/C2SoftGav1Dec.cpp
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
@@ -342,8 +342,7 @@
           std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)),
       mIntf(intfImpl),
       mCodecCtx(nullptr) {
-  gettimeofday(&mTimeStart, nullptr);
-  gettimeofday(&mTimeEnd, nullptr);
+  mTimeStart = mTimeEnd = systemTime();
 }
 
 C2SoftGav1Dec::~C2SoftGav1Dec() { onRelease(); }
@@ -514,19 +513,17 @@
   int64_t frameIndex = work->input.ordinal.frameIndex.peekll();
   if (inSize) {
     uint8_t *bitstream = const_cast<uint8_t *>(rView.data() + inOffset);
-    int32_t decodeTime = 0;
-    int32_t delay = 0;
 
-    GETTIME(&mTimeStart, nullptr);
-    TIME_DIFF(mTimeEnd, mTimeStart, delay);
+    mTimeStart = systemTime();
+    nsecs_t delay = mTimeStart - mTimeEnd;
 
     const Libgav1StatusCode status =
         mCodecCtx->EnqueueFrame(bitstream, inSize, frameIndex,
                                 /*buffer_private_data=*/nullptr);
 
-    GETTIME(&mTimeEnd, nullptr);
-    TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
-    ALOGV("decodeTime=%4d delay=%4d\n", decodeTime, delay);
+    mTimeEnd = systemTime();
+    nsecs_t decodeTime = mTimeEnd - mTimeStart;
+    ALOGV("decodeTime=%4" PRId64 " delay=%4" PRId64 "\n", decodeTime, delay);
 
     if (status != kLibgav1StatusOk) {
       ALOGE("av1 decoder failed to decode frame. status: %d.", status);
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.h b/media/codec2/components/gav1/C2SoftGav1Dec.h
index a69a863..4b13fef 100644
--- a/media/codec2/components/gav1/C2SoftGav1Dec.h
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.h
@@ -17,6 +17,8 @@
 #ifndef ANDROID_C2_SOFT_GAV1_DEC_H_
 #define ANDROID_C2_SOFT_GAV1_DEC_H_
 
+#include <inttypes.h>
+
 #include <media/stagefright/foundation/ColorUtils.h>
 
 #include <SimpleC2Component.h>
@@ -24,11 +26,6 @@
 #include "libgav1/src/gav1/decoder.h"
 #include "libgav1/src/gav1/decoder_settings.h"
 
-#define GETTIME(a, b) gettimeofday(a, b);
-#define TIME_DIFF(start, end, diff)     \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
-
 namespace android {
 
 struct C2SoftGav1Dec : public SimpleC2Component {
@@ -81,8 +78,8 @@
       }
   } mBitstreamColorAspects;
 
-  struct timeval mTimeStart;  // Time at the start of decode()
-  struct timeval mTimeEnd;    // Time at the end of decode()
+  nsecs_t mTimeStart = 0;  // Time at the start of decode()
+  nsecs_t mTimeEnd = 0;    // Time at the end of decode()
 
   bool initDecoder();
   void getVuiParams(const libgav1::DecoderBuffer *buffer);
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.cpp b/media/codec2/components/hevc/C2SoftHevcDec.cpp
index 2a6adca..5a660c5 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.cpp
+++ b/media/codec2/components/hevc/C2SoftHevcDec.cpp
@@ -663,8 +663,7 @@
 
 void C2SoftHevcDec::resetPlugin() {
     mSignalledOutputEos = false;
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 status_t C2SoftHevcDec::deleteDecoder() {
@@ -858,14 +857,13 @@
             /* Decode header and get dimensions */
             setParams(mStride, IVD_DECODE_HEADER);
         }
-        WORD32 delay;
-        GETTIME(&mTimeStart, nullptr);
-        TIME_DIFF(mTimeEnd, mTimeStart, delay);
+
+        mTimeStart = systemTime();
+        nsecs_t delay = mTimeStart - mTimeEnd;
         (void) ivdec_api_function(mDecHandle, ps_decode_ip, ps_decode_op);
-        WORD32 decodeTime;
-        GETTIME(&mTimeEnd, nullptr);
-        TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
-        ALOGV("decodeTime=%6d delay=%6d numBytes=%6d", decodeTime, delay,
+        mTimeEnd = systemTime();
+        nsecs_t decodeTime = mTimeEnd - mTimeStart;
+        ALOGV("decodeTime=%6" PRId64 " delay=%6" PRId64 " numBytes=%6d", decodeTime, delay,
               ps_decode_op->u4_num_bytes_consumed);
         if (IVD_MEM_ALLOC_FAILED == (ps_decode_op->u4_error_code & IVD_ERROR_MASK)) {
             ALOGE("allocation failure in decoder");
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.h b/media/codec2/components/hevc/C2SoftHevcDec.h
index b9296e9..6abf69e 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.h
+++ b/media/codec2/components/hevc/C2SoftHevcDec.h
@@ -20,6 +20,7 @@
 #include <media/stagefright/foundation/ColorUtils.h>
 
 #include <atomic>
+#include <inttypes.h>
 #include <SimpleC2Component.h>
 
 #include "ihevc_typedefs.h"
@@ -41,10 +42,6 @@
 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
         (IVD_CONTROL_API_COMMAND_TYPE_T)IHEVCD_CXA_CMD_CTL_SET_NUM_CORES
 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
-#define GETTIME(a, b)                   gettimeofday(a, b);
-#define TIME_DIFF(start, end, diff)     \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
 
 
 struct C2SoftHevcDec : public SimpleC2Component {
@@ -142,8 +139,8 @@
     } mBitstreamColorAspects;
 
     // profile
-    struct timeval mTimeStart;
-    struct timeval mTimeEnd;
+    nsecs_t mTimeStart = 0;
+    nsecs_t mTimeEnd = 0;
 
     C2_DO_NOT_COPY(C2SoftHevcDec);
 };
diff --git a/media/codec2/components/hevc/C2SoftHevcEnc.cpp b/media/codec2/components/hevc/C2SoftHevcEnc.cpp
index 4f5caec..947e387 100644
--- a/media/codec2/components/hevc/C2SoftHevcEnc.cpp
+++ b/media/codec2/components/hevc/C2SoftHevcEnc.cpp
@@ -591,8 +591,7 @@
     CREATE_DUMP_FILE(mInFile);
     CREATE_DUMP_FILE(mOutFile);
 
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 C2SoftHevcEnc::~C2SoftHevcEnc() {
@@ -1203,11 +1202,11 @@
         }
     }
 
-    uint64_t timeDelay = 0;
-    uint64_t timeTaken = 0;
+    nsecs_t timeDelay = 0;
+    nsecs_t timeTaken = 0;
     memset(&s_encode_op, 0, sizeof(s_encode_op));
-    GETTIME(&mTimeStart, nullptr);
-    TIME_DIFF(mTimeEnd, mTimeStart, timeDelay);
+    mTimeStart = systemTime();
+    timeDelay = mTimeStart - mTimeEnd;
 
     if (inputBuffer) {
         err = ihevce_encode(mCodecCtx, &s_encode_ip, &s_encode_op);
@@ -1222,12 +1221,12 @@
         fillEmptyWork(work);
     }
 
-    GETTIME(&mTimeEnd, nullptr);
     /* Compute time taken for decode() */
-    TIME_DIFF(mTimeStart, mTimeEnd, timeTaken);
+    mTimeEnd = systemTime();
+    timeTaken = mTimeEnd - mTimeStart;
 
-    ALOGV("timeTaken=%6d delay=%6d numBytes=%6d", (int)timeTaken,
-          (int)timeDelay, s_encode_op.i4_bytes_generated);
+    ALOGV("timeTaken=%6" PRId64 " delay=%6" PRId64 " numBytes=%6d", timeTaken,
+          timeDelay, s_encode_op.i4_bytes_generated);
 
     if (s_encode_op.i4_bytes_generated) {
         finishWork(s_encode_op.u8_pts, work, pool, &s_encode_op);
diff --git a/media/codec2/components/hevc/C2SoftHevcEnc.h b/media/codec2/components/hevc/C2SoftHevcEnc.h
index 4217a8b..ce9cec8 100644
--- a/media/codec2/components/hevc/C2SoftHevcEnc.h
+++ b/media/codec2/components/hevc/C2SoftHevcEnc.h
@@ -19,6 +19,7 @@
 
 #include <SimpleC2Component.h>
 #include <algorithm>
+#include <inttypes.h>
 #include <map>
 #include <media/stagefright/foundation/ColorUtils.h>
 #include <utils/Vector.h>
@@ -27,14 +28,6 @@
 
 namespace android {
 
-/** Get time */
-#define GETTIME(a, b) gettimeofday(a, b)
-
-/** Compute difference between start and end */
-#define TIME_DIFF(start, end, diff)                      \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-           ((end).tv_usec - (start).tv_usec);
-
 #define CODEC_MAX_CORES  4
 #define MAX_B_FRAMES     1
 #define MAX_RC_LOOKAHEAD 1
@@ -102,8 +95,8 @@
 #endif /* FILE_DUMP_ENABLE */
 
     // profile
-    struct timeval mTimeStart;
-    struct timeval mTimeEnd;
+    nsecs_t mTimeStart = 0;
+    nsecs_t mTimeEnd = 0;
 
     c2_status_t initEncParams();
     c2_status_t initEncoder();
@@ -127,14 +120,12 @@
 #define OUTPUT_DUMP_EXT "h265"
 #define GENERATE_FILE_NAMES()                                             \
 {                                                                         \
-    GETTIME(&mTimeStart, NULL);                                           \
-    strcpy(mInFile, "");                                                  \
+    nsecs_t now = systemTime();                                           \
     ALOGD("GENERATE_FILE_NAMES");                                         \
-    sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH, mTimeStart.tv_sec, \
-            mTimeStart.tv_usec, INPUT_DUMP_EXT);                          \
-    strcpy(mOutFile, "");                                                 \
-    sprintf(mOutFile, "%s_%ld.%ld.%s", OUTPUT_DUMP_PATH,                  \
-            mTimeStart.tv_sec, mTimeStart.tv_usec, OUTPUT_DUMP_EXT);      \
+    sprintf(mInFile, "%s_%" PRId64 ".%s", INPUT_DUMP_PATH,                \
+            mTimeStart, INPUT_DUMP_EXT);                                  \
+    sprintf(mutFile, "%s_%" PRId64 ".%s", OUTPUT_DUMP_PATH,               \
+            mTimeStart, OUTPUT_DUMP_EXT);                                 \
 }
 
 #define CREATE_DUMP_FILE(m_filename)                 \
diff --git a/media/codec2/components/mpeg2/C2SoftMpeg2Dec.cpp b/media/codec2/components/mpeg2/C2SoftMpeg2Dec.cpp
index 5f9b30b..9a41910 100644
--- a/media/codec2/components/mpeg2/C2SoftMpeg2Dec.cpp
+++ b/media/codec2/components/mpeg2/C2SoftMpeg2Dec.cpp
@@ -731,8 +731,7 @@
 
 void C2SoftMpeg2Dec::resetPlugin() {
     mSignalledOutputEos = false;
-    gettimeofday(&mTimeStart, nullptr);
-    gettimeofday(&mTimeEnd, nullptr);
+    mTimeStart = mTimeEnd = systemTime();
 }
 
 status_t C2SoftMpeg2Dec::deleteDecoder() {
@@ -929,14 +928,12 @@
         }
         // If input dump is enabled, then write to file
         DUMP_TO_FILE(mInFile, s_decode_ip.pv_stream_buffer, s_decode_ip.u4_num_Bytes);
-        WORD32 delay;
-        GETTIME(&mTimeStart, nullptr);
-        TIME_DIFF(mTimeEnd, mTimeStart, delay);
+        nsecs_t delay = mTimeStart - mTimeEnd;
         (void) ivdec_api_function(mDecHandle, &s_decode_ip, &s_decode_op);
-        WORD32 decodeTime;
-        GETTIME(&mTimeEnd, nullptr);
-        TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
-        ALOGV("decodeTime=%6d delay=%6d numBytes=%6d ", decodeTime, delay,
+
+        mTimeEnd = systemTime();
+        nsecs_t decodeTime = mTimeEnd - mTimeStart;
+        ALOGV("decodeTime=%" PRId64 " delay=%" PRId64 " numBytes=%6d ", decodeTime, delay,
               s_decode_op.u4_num_bytes_consumed);
         if (IMPEG2D_UNSUPPORTED_DIMENSIONS == s_decode_op.u4_error_code) {
             ALOGV("unsupported resolution : %dx%d", s_decode_op.u4_pic_wd, s_decode_op.u4_pic_ht);
diff --git a/media/codec2/components/mpeg2/C2SoftMpeg2Dec.h b/media/codec2/components/mpeg2/C2SoftMpeg2Dec.h
index 8a29c14..f370f5e 100644
--- a/media/codec2/components/mpeg2/C2SoftMpeg2Dec.h
+++ b/media/codec2/components/mpeg2/C2SoftMpeg2Dec.h
@@ -18,6 +18,7 @@
 #define ANDROID_C2_SOFT_MPEG2_DEC_H_
 
 #include <atomic>
+#include <inttypes.h>
 #include <SimpleC2Component.h>
 
 #include <media/stagefright/foundation/ColorUtils.h>
@@ -42,19 +43,14 @@
 #define IVDEXT_CMD_CTL_SET_NUM_CORES    \
         (IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_NUM_CORES
 #define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
-#define GETTIME(a, b)                   gettimeofday(a, b);
-#define TIME_DIFF(start, end, diff)     \
-    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
-            ((end).tv_usec - (start).tv_usec);
 
 #ifdef FILE_DUMP_ENABLE
     #define INPUT_DUMP_PATH     "/sdcard/clips/mpeg2d_input"
     #define INPUT_DUMP_EXT      "m2v"
     #define GENERATE_FILE_NAMES() {                         \
-        GETTIME(&mTimeStart, NULL);                         \
-        strcpy(mInFile, "");                                \
-        sprintf(mInFile, "%s_%ld.%ld.%s", INPUT_DUMP_PATH,  \
-                mTimeStart.tv_sec, mTimeStart.tv_usec,      \
+        nsecs_t now = systemTime();                         \
+        sprintf(mInFile, "%s_%" PRId64 ".%s",
+                INPUT_DUMP_PATH, now,                       \
                 INPUT_DUMP_EXT);                            \
     }
     #define CREATE_DUMP_FILE(m_filename) {                  \
@@ -183,8 +179,8 @@
     } mBitstreamColorAspects;
 
     // profile
-    struct timeval mTimeStart;
-    struct timeval mTimeEnd;
+    nsecs_t mTimeStart = 0;
+    nsecs_t mTimeEnd = 0;
 #ifdef FILE_DUMP_ENABLE
     char mInFile[200];
 #endif /* FILE_DUMP_ENABLE */
diff --git a/media/codec2/sfplugin/CCodec.cpp b/media/codec2/sfplugin/CCodec.cpp
index 3302dd3..cb362c9 100644
--- a/media/codec2/sfplugin/CCodec.cpp
+++ b/media/codec2/sfplugin/CCodec.cpp
@@ -1526,6 +1526,9 @@
     using namespace android::hardware::graphics::bufferqueue::V1_0::utils;
     typedef android::hardware::media::omx::V1_0::Status OmxStatus;
     android::sp<IOmx> omx = IOmx::getService();
+    if (omx == nullptr) {
+        return nullptr;
+    }
     typedef android::hardware::graphics::bufferqueue::V1_0::
             IGraphicBufferProducer HGraphicBufferProducer;
     typedef android::hardware::media::omx::V1_0::
diff --git a/media/codec2/vndk/C2AllocatorIon.cpp b/media/codec2/vndk/C2AllocatorIon.cpp
index 7b593ee..a6a733e 100644
--- a/media/codec2/vndk/C2AllocatorIon.cpp
+++ b/media/codec2/vndk/C2AllocatorIon.cpp
@@ -31,6 +31,7 @@
 #include <C2HandleIonInternal.h>
 
 #include <android-base/properties.h>
+#include <media/stagefright/foundation/Mutexed.h>
 
 namespace android {
 
@@ -180,7 +181,7 @@
     c2_status_t map(size_t offset, size_t size, C2MemoryUsage usage, C2Fence *fence, void **addr) {
         (void)fence; // TODO: wait for fence
         *addr = nullptr;
-        if (!mMappings.empty()) {
+        if (!mMappings.lock()->empty()) {
             ALOGV("multiple map");
             // TODO: technically we should return DUPLICATE here, but our block views don't
             // actually unmap, so we end up remapping an ion buffer multiple times.
@@ -207,47 +208,44 @@
 
         c2_status_t err = mapInternal(mapSize, mapOffset, alignmentBytes, prot, flags, &(map.addr), addr);
         if (map.addr) {
-            std::lock_guard<std::mutex> guard(mMutexMappings);
-            mMappings.push_back(map);
+            mMappings.lock()->push_back(map);
         }
         return err;
     }
 
     c2_status_t unmap(void *addr, size_t size, C2Fence *fence) {
-        if (mMappings.empty()) {
+        Mutexed<std::list<Mapping>>::Locked mappings(mMappings);
+        if (mappings->empty()) {
             ALOGD("tried to unmap unmapped buffer");
             return C2_NOT_FOUND;
         }
-        { // Scope for the lock_guard of mMutexMappings.
-            std::lock_guard<std::mutex> guard(mMutexMappings);
-            for (auto it = mMappings.begin(); it != mMappings.end(); ++it) {
-                if (addr != (uint8_t *)it->addr + it->alignmentBytes ||
-                        size + it->alignmentBytes != it->size) {
-                    continue;
-                }
-                int err = munmap(it->addr, it->size);
-                if (err != 0) {
-                    ALOGD("munmap failed");
-                    return c2_map_errno<EINVAL>(errno);
-                }
-                if (fence) {
-                    *fence = C2Fence(); // not using fences
-                }
-                (void)mMappings.erase(it);
-                ALOGV("successfully unmapped: addr=%p size=%zu fd=%d", addr, size,
-                          mHandle.bufferFd());
-                return C2_OK;
+        for (auto it = mappings->begin(); it != mappings->end(); ++it) {
+            if (addr != (uint8_t *)it->addr + it->alignmentBytes ||
+                    size + it->alignmentBytes != it->size) {
+                continue;
             }
+            int err = munmap(it->addr, it->size);
+            if (err != 0) {
+                ALOGD("munmap failed");
+                return c2_map_errno<EINVAL>(errno);
+            }
+            if (fence) {
+                *fence = C2Fence(); // not using fences
+            }
+            (void)mappings->erase(it);
+            ALOGV("successfully unmapped: addr=%p size=%zu fd=%d", addr, size,
+                      mHandle.bufferFd());
+            return C2_OK;
         }
         ALOGD("unmap failed to find specified map");
         return C2_BAD_VALUE;
     }
 
     virtual ~Impl() {
-        if (!mMappings.empty()) {
+        Mutexed<std::list<Mapping>>::Locked mappings(mMappings);
+        if (!mappings->empty()) {
             ALOGD("Dangling mappings!");
-            std::lock_guard<std::mutex> guard(mMutexMappings);
-            for (const Mapping &map : mMappings) {
+            for (const Mapping &map : *mappings) {
                 (void)munmap(map.addr, map.size);
             }
         }
@@ -325,8 +323,7 @@
         size_t alignmentBytes;
         size_t size;
     };
-    std::list<Mapping> mMappings;
-    std::mutex mMutexMappings;
+    Mutexed<std::list<Mapping>> mMappings;
 };
 
 class C2AllocationIon::ImplV2 : public C2AllocationIon::Impl {
diff --git a/media/codec2/vndk/C2DmaBufAllocator.cpp b/media/codec2/vndk/C2DmaBufAllocator.cpp
index 1aa3d69..c470171 100644
--- a/media/codec2/vndk/C2DmaBufAllocator.cpp
+++ b/media/codec2/vndk/C2DmaBufAllocator.cpp
@@ -31,6 +31,7 @@
 #include <list>
 
 #include <android-base/properties.h>
+#include <media/stagefright/foundation/Mutexed.h>
 
 namespace android {
 
@@ -161,7 +162,7 @@
         size_t alignmentBytes;
         size_t size;
     };
-    std::list<Mapping> mMappings;
+    Mutexed<std::list<Mapping>> mMappings;
 
     // TODO: we could make this encapsulate shared_ptr and copiable
     C2_DO_NOT_COPY(C2DmaBufAllocation);
@@ -171,7 +172,7 @@
                                     void** addr) {
     (void)fence;  // TODO: wait for fence
     *addr = nullptr;
-    if (!mMappings.empty()) {
+    if (!mMappings.lock()->empty()) {
         ALOGV("multiple map");
         // TODO: technically we should return DUPLICATE here, but our block views
         // don't actually unmap, so we end up remapping the buffer multiple times.
@@ -199,17 +200,18 @@
     c2_status_t err =
             mapInternal(mapSize, mapOffset, alignmentBytes, prot, flags, &(map.addr), addr);
     if (map.addr) {
-        mMappings.push_back(map);
+        mMappings.lock()->push_back(map);
     }
     return err;
 }
 
 c2_status_t C2DmaBufAllocation::unmap(void* addr, size_t size, C2Fence* fence) {
-    if (mMappings.empty()) {
+    Mutexed<std::list<Mapping>>::Locked mappings(mMappings);
+    if (mappings->empty()) {
         ALOGD("tried to unmap unmapped buffer");
         return C2_NOT_FOUND;
     }
-    for (auto it = mMappings.begin(); it != mMappings.end(); ++it) {
+    for (auto it = mappings->begin(); it != mappings->end(); ++it) {
         if (addr != (uint8_t*)it->addr + it->alignmentBytes ||
             size + it->alignmentBytes != it->size) {
             continue;
@@ -222,7 +224,7 @@
         if (fence) {
             *fence = C2Fence();  // not using fences
         }
-        (void)mMappings.erase(it);
+        (void)mappings->erase(it);
         ALOGV("successfully unmapped: %d", mHandle.bufferFd());
         return C2_OK;
     }
@@ -253,9 +255,10 @@
 }
 
 C2DmaBufAllocation::~C2DmaBufAllocation() {
-    if (!mMappings.empty()) {
+    Mutexed<std::list<Mapping>>::Locked mappings(mMappings);
+    if (!mappings->empty()) {
         ALOGD("Dangling mappings!");
-        for (const Mapping& map : mMappings) {
+        for (const Mapping& map : *mappings) {
             int err = munmap(map.addr, map.size);
             if (err) ALOGD("munmap failed");
         }
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 2f3792e..2a75342 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -3053,8 +3053,9 @@
                     CHECK(msg->findInt32("err", &err));
                     CHECK(msg->findInt32("actionCode", &actionCode));
 
-                    ALOGE("Codec reported err %#x, actionCode %d, while in state %d/%s",
-                            err, actionCode, mState, stateString(mState).c_str());
+                    ALOGE("Codec reported err %#x/%s, actionCode %d, while in state %d/%s",
+                                              err, StrMediaError(err).c_str(), actionCode,
+                                              mState, stateString(mState).c_str());
                     if (err == DEAD_OBJECT) {
                         mFlags |= kFlagSawMediaServerDie;
                         mFlags &= ~kFlagIsComponentAllocated;
diff --git a/media/libstagefright/include/media/stagefright/MediaErrors.h b/media/libstagefright/include/media/stagefright/MediaErrors.h
index d1df2ca..b91c850 100644
--- a/media/libstagefright/include/media/stagefright/MediaErrors.h
+++ b/media/libstagefright/include/media/stagefright/MediaErrors.h
@@ -163,11 +163,28 @@
             || (ERROR_DRM_VENDOR_MIN <= err && err <= ERROR_DRM_VENDOR_MAX);
 }
 
-static inline std::string StrCryptoError(status_t err) {
 #define STATUS_CASE(STATUS) \
     case STATUS:            \
         return #STATUS
 
+static inline std::string StrMediaError(status_t err) {
+    switch(err) {
+        STATUS_CASE(ERROR_ALREADY_CONNECTED);
+        STATUS_CASE(ERROR_NOT_CONNECTED);
+        STATUS_CASE(ERROR_UNKNOWN_HOST);
+        STATUS_CASE(ERROR_CANNOT_CONNECT);
+        STATUS_CASE(ERROR_IO);
+        STATUS_CASE(ERROR_CONNECTION_LOST);
+        STATUS_CASE(ERROR_MALFORMED);
+        STATUS_CASE(ERROR_OUT_OF_RANGE);
+        STATUS_CASE(ERROR_BUFFER_TOO_SMALL);
+        STATUS_CASE(ERROR_UNSUPPORTED);
+        STATUS_CASE(ERROR_END_OF_STREAM);
+    }
+    return statusToString(err);
+}
+
+static inline std::string StrCryptoError(status_t err) {
     switch (err) {
         STATUS_CASE(ERROR_DRM_UNKNOWN);
         STATUS_CASE(ERROR_DRM_NO_LICENSE);
@@ -209,10 +226,10 @@
         STATUS_CASE(ERROR_DRM_STORAGE_READ);
         STATUS_CASE(ERROR_DRM_STORAGE_WRITE);
         STATUS_CASE(ERROR_DRM_ZERO_SUBSAMPLES);
-#undef STATUS_CASE
     }
     return statusToString(err);
 }
+#undef STATUS_CASE
 
 }  // namespace android
 
diff --git a/media/ndk/NdkMediaCodec.cpp b/media/ndk/NdkMediaCodec.cpp
index 6f25cec..38e422d 100644
--- a/media/ndk/NdkMediaCodec.cpp
+++ b/media/ndk/NdkMediaCodec.cpp
@@ -277,8 +277,8 @@
                          break;
                      }
                      msg->findString("detail", &detail);
-                     ALOGE("Codec reported error(0x%x), actionCode(%d), detail(%s)",
-                           err, actionCode, detail.c_str());
+                     ALOGE("Codec reported error(0x%x/%s), actionCode(%d), detail(%s)",
+                           err, StrMediaError(err).c_str(), actionCode, detail.c_str());
 
                      Mutex::Autolock _l(mCodec->mAsyncCallbackLock);
                      if (mCodec->mAsyncCallback.onAsyncError != NULL) {
diff --git a/media/utils/Android.bp b/media/utils/Android.bp
index d76602b..a38ef57 100644
--- a/media/utils/Android.bp
+++ b/media/utils/Android.bp
@@ -37,6 +37,7 @@
         "ProcessInfo.cpp",
         "SchedulingPolicyService.cpp",
         "ServiceUtilities.cpp",
+        "ThreadSnapshot.cpp",
         "TimeCheck.cpp",
         "TimerThread.cpp",
     ],
diff --git a/media/utils/ThreadSnapshot.cpp b/media/utils/ThreadSnapshot.cpp
new file mode 100644
index 0000000..382738e
--- /dev/null
+++ b/media/utils/ThreadSnapshot.cpp
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "ThreadSnapshot"
+#include <utils/Log.h>
+#include <utils/Timers.h>
+#include <mediautils/ThreadSnapshot.h>
+
+#include <mediautils/Process.h>
+
+namespace android::mediautils {
+
+pid_t ThreadSnapshot::getTid() const {
+    std::lock_guard lg(mLock);
+    return mState.mTid;
+}
+
+void ThreadSnapshot::setTid(pid_t tid) {
+    std::lock_guard lg(mLock);
+    if (mState.mTid == tid) return;
+    mState.reset(tid);
+}
+
+void ThreadSnapshot::reset() {
+    std::lock_guard lg(mLock);
+    mState.reset(mState.mTid);
+}
+
+void ThreadSnapshot::onBegin() {
+    std::string sched = getThreadSchedAsString(getTid()); // tid could race here,
+                                                          // accept as benign.
+    std::lock_guard lg(mLock);
+    mState.onBegin(std::move(sched));
+}
+
+void ThreadSnapshot::onEnd() {
+    std::lock_guard lg(mLock);
+    mState.onEnd();
+}
+
+std::string ThreadSnapshot::toString() const {
+    // Make a local copy of the stats data under lock.
+    State state;
+    {
+        std::lock_guard lg(mLock);
+        state = mState;
+    }
+    return state.toString();
+}
+
+void ThreadSnapshot::State::reset(pid_t tid) {
+    mTid = tid;
+    mBeginTimeNs = -2;
+    mEndTimeNs = -1;
+    mCumulativeTimeNs = 0;
+    mBeginSched.clear();
+}
+
+void ThreadSnapshot::State::onBegin(std::string sched) {
+    if (mBeginTimeNs < mEndTimeNs) {
+        mBeginTimeNs = systemTime();
+        mBeginSched = std::move(sched);
+    }
+}
+
+void ThreadSnapshot::State::onEnd() {
+    if (mEndTimeNs < mBeginTimeNs) {
+        mEndTimeNs = systemTime();
+        mCumulativeTimeNs += mEndTimeNs - mBeginTimeNs;
+    }
+}
+
+std::string ThreadSnapshot::State::toString() const {
+    if (mBeginTimeNs < 0) return {};  // never begun.
+
+    // compute time intervals.
+    const int64_t nowNs = systemTime();
+    int64_t cumulativeTimeNs = mCumulativeTimeNs;
+    int64_t diffNs = mEndTimeNs - mBeginTimeNs; // if onEnd() isn't matched, diffNs < 0.
+    if (diffNs < 0) {
+        diffNs = nowNs - mBeginTimeNs;
+        cumulativeTimeNs += diffNs;
+    }
+    // normalization for rate variables
+    const double lastRunPerSec =  1e9 / diffNs;
+    const double totalPerSec = 1e9 / cumulativeTimeNs;
+
+    // HANDLE THE SCHEDULER STATISTICS HERE
+    // current and differential statistics for the scheduler.
+    std::string schedNow = getThreadSchedAsString(mTid);
+    const auto schedMapThen = parseThreadSchedString(mBeginSched);
+    const auto schedMapNow = parseThreadSchedString(schedNow);
+    static const char * schedDiffKeyList[] = {
+        "se.sum_exec_runtime",
+        "se.nr_migrations",
+        "se.statistics.wait_sum",
+        "se.statistics.wait_count",
+        "se.statistics.iowait_sum",
+        "se.statistics.iowait_count",
+        "se.statistics.nr_forced_migrations",
+        "nr_involuntary_switches",
+    };
+
+    // compute differential rate statistics.
+    std::string diffString;
+    for (const auto diffKey : schedDiffKeyList) {
+        if (auto itThen = schedMapThen.find(diffKey);
+                itThen != schedMapThen.end()) {
+
+            if (auto itNow = schedMapNow.find(diffKey);
+                    itNow != schedMapNow.end()) {
+                auto diff = itNow->second - itThen->second;
+                diff *= lastRunPerSec;
+                auto total = itNow->second * totalPerSec;
+                diffString.append(diffKey).append("  last-run:")
+                        .append(std::to_string(diff))
+                        .append("  cumulative:")
+                        .append(std::to_string(total))
+                        .append("\n");
+            }
+        }
+    }
+
+    if (!diffString.empty()) {
+        schedNow.append("*** per second stats ***\n").append(diffString);
+    }
+
+    // Return snapshot string.
+    return schedNow;
+}
+
+} // android::mediautils
diff --git a/media/utils/include/mediautils/ThreadSnapshot.h b/media/utils/include/mediautils/ThreadSnapshot.h
new file mode 100644
index 0000000..c470822
--- /dev/null
+++ b/media/utils/include/mediautils/ThreadSnapshot.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <mutex>
+#include <string>
+
+#include <android-base/thread_annotations.h>
+
+namespace android::mediautils {
+
+/**
+ * Collect Thread performance statistics.
+ *
+ * An onBegin() and onEnd() signal a continuous "run".
+ * Statistics are returned by toString().
+ */
+class ThreadSnapshot {
+public:
+    explicit ThreadSnapshot(pid_t tid = -1) { mState.reset(tid); };
+
+    // Returns current tid
+    pid_t getTid() const;
+
+    // Sets the tid
+    void setTid(pid_t tid);
+
+    // Reset statistics, keep same tid.
+    void reset();
+
+    // Signal a timing run is beginning
+    void onBegin();
+
+    // Signal a timing run is ending
+    void onEnd();
+
+    // Return the thread snapshot statistics in a string
+    std::string toString() const;
+
+private:
+    mutable std::mutex mLock;
+
+    // State represents our statistics at a given point in time.
+    // It is not thread-safe, so any locking must occur at the caller.
+    struct State {
+        pid_t mTid;
+        int64_t mBeginTimeNs;  // when last run began
+        int64_t mEndTimeNs;    // when last run ends (if less than begin time, not started)
+        int64_t mCumulativeTimeNs;
+
+        // Sched is the scheduler statistics obtained as a string.
+        // This is parsed only when toString() is called.
+        std::string mBeginSched;
+
+        // Clears existing state.
+        void reset(pid_t tid);
+
+        // onBegin() takes a std::string sched should can be captured outside
+        // of locking.
+        void onBegin(std::string sched);
+        void onEnd();
+        std::string toString() const;
+    };
+
+    // Our current state. We only keep the current running state.
+    State mState GUARDED_BY(mLock);
+};
+
+} // android::mediautils
diff --git a/media/utils/tests/Android.bp b/media/utils/tests/Android.bp
index d9c2b21..a6f408d 100644
--- a/media/utils/tests/Android.bp
+++ b/media/utils/tests/Android.bp
@@ -104,6 +104,26 @@
 }
 
 cc_test {
+    name: "media_threadsnapshot_tests",
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libmediautils",
+        "libutils",
+    ],
+
+    srcs: [
+        "media_threadsnapshot_tests.cpp",
+    ],
+}
+
+cc_test {
     name: "methodstatistics_tests",
 
     cflags: [
diff --git a/media/utils/tests/media_threadsnapshot_tests.cpp b/media/utils/tests/media_threadsnapshot_tests.cpp
new file mode 100644
index 0000000..c7a45e2
--- /dev/null
+++ b/media/utils/tests/media_threadsnapshot_tests.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mediautils/ThreadSnapshot.h>
+
+#define LOG_TAG "media_threadsnapshot_tests"
+
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include <chrono>
+#include <thread>
+
+using namespace android;
+using namespace android::mediautils;
+
+TEST(media_threadsnapshot_tests, basic) {
+  using namespace std::chrono_literals;
+
+  ThreadSnapshot threadSnapshot(gettid());
+
+  threadSnapshot.onBegin();
+
+  std::string snapshot1 = threadSnapshot.toString();
+
+  std::this_thread::sleep_for(100ms);
+
+  threadSnapshot.onEnd();
+
+  std::string snapshot2 = threadSnapshot.toString();
+
+  // Either we can't get a snapshot, or they must be different when taken when thread is running.
+  if (snapshot1.empty()) {
+    ASSERT_TRUE(snapshot2.empty());
+  } else {
+    ASSERT_FALSE(snapshot2.empty());
+    ASSERT_NE(snapshot1, snapshot2);
+  }
+}
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 59f22eb..8e4383c 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -76,6 +76,7 @@
 #include <media/VolumeShaper.h>
 #include <mediautils/ServiceUtilities.h>
 #include <mediautils/Synchronization.h>
+#include <mediautils/ThreadSnapshot.h>
 
 #include <audio_utils/clock.h>
 #include <audio_utils/FdToString.h>
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index f8c3ae4..9344e20 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -933,7 +933,7 @@
         }
     }
     if (dumpAll || type() == SPATIALIZER) {
-        const std::string sched = mediautils::getThreadSchedAsString(getTid());
+        const std::string sched = mThreadSnapshot.toString();
         if (!sched.empty()) {
             (void)write(fd, sched.c_str(), sched.size());
         }
@@ -2113,6 +2113,7 @@
         }
     }
     run(mThreadName, ANDROID_PRIORITY_URGENT_AUDIO);
+    mThreadSnapshot.setTid(getTid());
 }
 
 // ThreadBase virtuals
@@ -3354,6 +3355,7 @@
     mInWrite = false;
     if (mStandby) {
         mThreadMetrics.logBeginInterval();
+        mThreadSnapshot.onBegin();
         mStandby = false;
     }
     return bytesWritten;
@@ -3839,6 +3841,7 @@
                     if (!mStandby) {
                         LOG_AUDIO_STATE();
                         mThreadMetrics.logEndInterval();
+                        mThreadSnapshot.onEnd();
                         mStandby = true;
                     }
                     sendStatistics(false /* force */);
@@ -5974,6 +5977,7 @@
             mOutput->standby();
             if (!mStandby) {
                 mThreadMetrics.logEndInterval();
+                mThreadSnapshot.onEnd();
                 mStandby = true;
             }
             mBytesWritten = 0;
@@ -6495,6 +6499,7 @@
             mOutput->standby();
             if (!mStandby) {
                 mThreadMetrics.logEndInterval();
+                mThreadSnapshot.onEnd();
                 mStandby = true;
             }
             mBytesWritten = 0;
@@ -7081,6 +7086,7 @@
     }
     if (mStandby) {
         mThreadMetrics.logBeginInterval();
+        mThreadSnapshot.onBegin();
         mStandby = false;
     }
     return (ssize_t)mSinkBufferSize;
@@ -7606,6 +7612,7 @@
                     doBroadcast = true;
                     if (mStandby) {
                         mThreadMetrics.logBeginInterval();
+                        mThreadSnapshot.onBegin();
                         mStandby = false;
                     }
                     activeTrack->mState = TrackBase::ACTIVE;
@@ -8087,6 +8094,7 @@
     if (!mStandby) {
         inputStandBy();
         mThreadMetrics.logEndInterval();
+        mThreadSnapshot.onEnd();
         mStandby = true;
     }
 }
@@ -9472,6 +9480,7 @@
     }
     if (mStandby) {
         mThreadMetrics.logBeginInterval();
+        mThreadSnapshot.onBegin();
         mStandby = false;
     }
     return NO_ERROR;
@@ -9668,6 +9677,7 @@
     mHalStream->standby();
     if (!mStandby) {
         mThreadMetrics.logEndInterval();
+        mThreadSnapshot.onEnd();
         mStandby = true;
     }
     releaseWakeLock();
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 1fccdc5..b2962ed8 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -687,6 +687,9 @@
                 int64_t                 mLastIoBeginNs = -1;
                 int64_t                 mLastIoEndNs = -1;
 
+                // ThreadSnapshot is thread-safe (internally locked)
+                mediautils::ThreadSnapshot mThreadSnapshot;
+
                 // This should be read under ThreadBase lock (if not on the threadLoop thread).
                 audio_utils::Statistics<double> mIoJitterMs{0.995 /* alpha */};
                 audio_utils::Statistics<double> mProcessTimeMs{0.995 /* alpha */};
diff --git a/services/mediaresourcemanager/fuzzer/mediaresourcemanager_fuzzer.cpp b/services/mediaresourcemanager/fuzzer/mediaresourcemanager_fuzzer.cpp
index 8f25ee6..e4aaea0 100644
--- a/services/mediaresourcemanager/fuzzer/mediaresourcemanager_fuzzer.cpp
+++ b/services/mediaresourcemanager/fuzzer/mediaresourcemanager_fuzzer.cpp
@@ -227,33 +227,31 @@
         mFuzzedDataProvider->ConsumeIntegralInRange<size_t>(kMinThreadPairs, kMaxThreadPairs);
     // Make even number of threads
     size_t numThreads = numThreadPairs * 2;
-    resourceThreadArgs threadArgs;
-    vector<MediaResourceParcel> mediaResource;
+    resourceThreadArgs threadArgs[numThreadPairs];
+    vector<MediaResourceParcel> mediaResource[numThreadPairs];
     pthread_t pt[numThreads];
-    int i;
-    for (i = 0; i < numThreads - 1; i += 2) {
-        threadArgs.pid = mFuzzedDataProvider->ConsumeIntegral<int32_t>();
-        threadArgs.uid = mFuzzedDataProvider->ConsumeIntegral<int32_t>();
+    for (int k = 0; k < numThreadPairs; ++k) {
+        threadArgs[k].pid = mFuzzedDataProvider->ConsumeIntegral<int32_t>();
+        threadArgs[k].uid = mFuzzedDataProvider->ConsumeIntegral<int32_t>();
         int32_t mediaResourceType = mFuzzedDataProvider->ConsumeIntegralInRange<int32_t>(
             kMinResourceType, kMaxResourceType);
         int32_t mediaResourceSubType = mFuzzedDataProvider->ConsumeIntegralInRange<int32_t>(
             kMinResourceType, kMaxResourceType);
         uint64_t mediaResourceValue = mFuzzedDataProvider->ConsumeIntegral<uint64_t>();
-        threadArgs.service = mService;
+        threadArgs[k].service = mService;
         shared_ptr<IResourceManagerClient> testClient =
-            ::ndk::SharedRefBase::make<TestClient>(threadArgs.pid, mService);
-        threadArgs.testClient = testClient;
-        threadArgs.testClientId = getId(testClient);
-        mediaResource.push_back(MediaResource(static_cast<MedResType>(mediaResourceType),
-                                              static_cast<MedResSubType>(mediaResourceSubType),
-                                              mediaResourceValue));
-        threadArgs.mediaResource = mediaResource;
-        pthread_create(&pt[i], nullptr, addResource, &threadArgs);
-        pthread_create(&pt[i + 1], nullptr, removeResource, &threadArgs);
-        mediaResource.clear();
+                ::ndk::SharedRefBase::make<TestClient>(threadArgs[k].pid, mService);
+        threadArgs[k].testClient = testClient;
+        threadArgs[k].testClientId = getId(testClient);
+        mediaResource[k].push_back(MediaResource(static_cast<MedResType>(mediaResourceType),
+                                                 static_cast<MedResSubType>(mediaResourceSubType),
+                                                 mediaResourceValue));
+        threadArgs[k].mediaResource = mediaResource[k];
+        pthread_create(&pt[2 * k], nullptr, addResource, &threadArgs[k]);
+        pthread_create(&pt[2 * k + 1], nullptr, removeResource, &threadArgs[k]);
     }
 
-    for (i = 0; i < numThreads; ++i) {
+    for (int i = 0; i < numThreads; ++i) {
         pthread_join(pt[i], nullptr);
     }
 
@@ -266,14 +264,14 @@
     int32_t mediaResourceSubType =
         mFuzzedDataProvider->ConsumeIntegralInRange<int32_t>(kMinResourceType, kMaxResourceType);
     uint64_t mediaResourceValue = mFuzzedDataProvider->ConsumeIntegral<uint64_t>();
-    mediaResource.push_back(MediaResource(static_cast<MedResType>(mediaResourceType),
-                                          static_cast<MedResSubType>(mediaResourceSubType),
-                                          mediaResourceValue));
+    vector<MediaResourceParcel> mediaRes;
+    mediaRes.push_back(MediaResource(static_cast<MedResType>(mediaResourceType),
+                                     static_cast<MedResSubType>(mediaResourceSubType),
+                                     mediaResourceValue));
     bool result;
-    mService->reclaimResource(pidZero, mediaResource, &result);
-    mService->removeResource(pidZero, getId(testClient), mediaResource);
+    mService->reclaimResource(pidZero, mediaRes, &result);
+    mService->removeResource(pidZero, getId(testClient), mediaRes);
     mService->removeClient(pidZero, getId(testClient));
-    mediaResource.clear();
 }
 
 void ResourceManagerServiceFuzzer::setServiceLog() {