commit ac58dea6ce63cd395bc9331e2297cb144e5008a4
author Treehugger Robot <treehugger-gerrit@google.com> Sat Jul 30 11:36:41 2022 +0000
committer Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> Sat Jul 30 11:36:41 2022 +0000
tree b3240afb0fffc9664364aa6620bc8eb2a2566c9e
parent 36f806630b234ebfd20fbb7cbd5caafb02f451e6
parent 4249588a97f15153bc59f0284c095402594e9bb8

Merge "converter: Support 24bit converter" am: f8a6bdddf2 am: 4249588a97

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2166496

Change-Id: I76046f791a49efd145a6351b5db5ab8d5ada099f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

media/libstagefright/DataConverter.cpp

diff --git a/media/libstagefright/DataConverter.cpp b/media/libstagefright/DataConverter.cpp
index 52be054..b53ac77 100644
--- a/media/libstagefright/DataConverter.cpp
+++ b/media/libstagefright/DataConverter.cpp
@@ -24,6 +24,10 @@
 #include <media/MediaCodecBuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AUtils.h>
+#include <system/audio.h>
+#include <audio_utils/primitives.h>
+#include <audio_utils/format.h>
+
 
 namespace android {
 
@@ -81,12 +85,38 @@
     return numSamples * mTargetSampleSize;
 }
 
+static audio_format_t getAudioFormat(AudioEncoding e) {
+    audio_format_t format = AUDIO_FORMAT_INVALID;
+    switch (e) {
+        case kAudioEncodingPcm16bit:
+            format = AUDIO_FORMAT_PCM_16_BIT;
+            break;
+        case kAudioEncodingPcm8bit:
+            format = AUDIO_FORMAT_PCM_8_BIT;
+            break;
+        case kAudioEncodingPcmFloat:
+            format = AUDIO_FORMAT_PCM_FLOAT;
+            break;
+       case kAudioEncodingPcm24bitPacked:
+            format = AUDIO_FORMAT_PCM_24_BIT_PACKED;
+            break;
+       case kAudioEncodingPcm32bit:
+            format = AUDIO_FORMAT_PCM_32_BIT;
+            break;
+        default:
+            ALOGE("Invalid AudioEncoding %d", e);
+        }
+        return format;
+}
 
 static size_t getAudioSampleSize(AudioEncoding e) {
     switch (e) {
-        case kAudioEncodingPcm16bit: return 2;
-        case kAudioEncodingPcm8bit:  return 1;
-        case kAudioEncodingPcmFloat: return 4;
+        case kAudioEncodingPcm16bit:
+        case kAudioEncodingPcm8bit:
+        case kAudioEncodingPcmFloat:
+        case kAudioEncodingPcm24bitPacked:
+        case kAudioEncodingPcm32bit:
+            return audio_bytes_per_sample(getAudioFormat(e));
         default: return 0;
     }
 }
@@ -116,7 +146,15 @@
     } else if (mTo == kAudioEncodingPcmFloat && mFrom == kAudioEncodingPcm16bit) {
         memcpy_to_float_from_i16((float*)tgt->base(), (const int16_t*)src->data(), src->size() / 2);
     } else {
-        return INVALID_OPERATION;
+        audio_format_t srcFormat = getAudioFormat(mFrom);
+        audio_format_t dstFormat = getAudioFormat(mTo);
+
+        if ((srcFormat == AUDIO_FORMAT_INVALID) || (dstFormat == AUDIO_FORMAT_INVALID))
+            return INVALID_OPERATION;
+
+        size_t frames = src->size() / audio_bytes_per_sample(srcFormat);
+        memcpy_by_audio_format((void*)tgt->base(), dstFormat, (void*)src->data(),
+                srcFormat, frames);
     }
     return OK;
 }