From a147b4f91143d9f2fb608e22f9fca14bbd029573 Mon Sep 17 00:00:00 2001
From: Lajos Molnar <lajos@google.com>
Date: Wed, 1 Oct 2014 21:36:51 -0700
Subject: mediarecorder: set level if setting default profile

Bug: 17676461
Change-Id: If01ccd09935945d330de0842be95c3544951b6b9
---
 media/libstagefright/ACodec.cpp | 53 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'media/libstagefright/ACodec.cpp')

diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index d6fba98..b6ac2a0 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -32,6 +32,7 @@
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/AUtils.h>
 
 #include <media/stagefright/BufferProducerWrapper.h>
 #include <media/stagefright/MediaCodecList.h>
@@ -2490,6 +2491,58 @@ status_t ACodec::setupH263EncoderParameters(const sp<AMessage> &msg) {
     return setupErrorCorrectionParameters();
 }
 
+// static
+int /* OMX_VIDEO_AVCLEVELTYPE */ ACodec::getAVCLevelFor(
+        int width, int height, int rate, int bitrate,
+        OMX_VIDEO_AVCPROFILETYPE profile) {
+    // convert bitrate to main/baseline profile kbps equivalent
+    switch (profile) {
+        case OMX_VIDEO_AVCProfileHigh10:
+            bitrate = divUp(bitrate, 3000); break;
+        case OMX_VIDEO_AVCProfileHigh:
+            bitrate = divUp(bitrate, 1250); break;
+        default:
+            bitrate = divUp(bitrate, 1000); break;
+    }
+
+    // convert size and rate to MBs
+    width = divUp(width, 16);
+    height = divUp(height, 16);
+    int mbs = width * height;
+    rate *= mbs;
+    int maxDimension = max(width, height);
+
+    static const int limits[][5] = {
+        /*   MBps     MB   dim  bitrate        level */
+        {    1485,    99,  28,     64, OMX_VIDEO_AVCLevel1  },
+        {    1485,    99,  28,    128, OMX_VIDEO_AVCLevel1b },
+        {    3000,   396,  56,    192, OMX_VIDEO_AVCLevel11 },
+        {    6000,   396,  56,    384, OMX_VIDEO_AVCLevel12 },
+        {   11880,   396,  56,    768, OMX_VIDEO_AVCLevel13 },
+        {   11880,   396,  56,   2000, OMX_VIDEO_AVCLevel2  },
+        {   19800,   792,  79,   4000, OMX_VIDEO_AVCLevel21 },
+        {   20250,  1620, 113,   4000, OMX_VIDEO_AVCLevel22 },
+        {   40500,  1620, 113,  10000, OMX_VIDEO_AVCLevel3  },
+        {  108000,  3600, 169,  14000, OMX_VIDEO_AVCLevel31 },
+        {  216000,  5120, 202,  20000, OMX_VIDEO_AVCLevel32 },
+        {  245760,  8192, 256,  20000, OMX_VIDEO_AVCLevel4  },
+        {  245760,  8192, 256,  50000, OMX_VIDEO_AVCLevel41 },
+        {  522240,  8704, 263,  50000, OMX_VIDEO_AVCLevel42 },
+        {  589824, 22080, 420, 135000, OMX_VIDEO_AVCLevel5  },
+        {  983040, 36864, 543, 240000, OMX_VIDEO_AVCLevel51 },
+        { 2073600, 36864, 543, 240000, OMX_VIDEO_AVCLevel52 },
+    };
+
+    for (size_t i = 0; i < ARRAY_SIZE(limits); i++) {
+        const int (&limit)[5] = limits[i];
+        if (rate <= limit[0] && mbs <= limit[1] && maxDimension <= limit[2]
+                && bitrate <= limit[3]) {
+            return limit[4];
+        }
+    }
+    return 0;
+}
+
 status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
     int32_t bitrate, iFrameInterval;
     if (!msg->findInt32("bitrate", &bitrate)
-- 
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