From bfd41f33c77c66ead48ee378e4ea4b7bfa5fca1f Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Mon, 15 Nov 2010 09:01:13 -0800
Subject: Refactor h.264 profile/level support into avc_utils.

Change-Id: Idb33636dc723aa79ea0122dc3582109ada4b1358
related-to-bug: 2368598
---
 media/libstagefright/OMXCodec.cpp        | 34 +-------------------------------
 media/libstagefright/avc_utils.cpp       | 29 ++++++++++++++++++++++++++-
 media/libstagefright/include/avc_utils.h | 13 ++++++++++++
 3 files changed, 42 insertions(+), 34 deletions(-)

(limited to 'media/libstagefright')

diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 8edcd12..5ed4d84 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -54,6 +54,7 @@
 #include <OMX_Component.h>
 
 #include "include/ThreadedSource.h"
+#include "include/avc_utils.h"
 
 namespace android {
 
@@ -264,39 +265,6 @@ static const char *GetCodec(const CodecInfo *info, size_t numInfos,
     return NULL;
 }
 
-enum {
-    kAVCProfileBaseline      = 0x42,
-    kAVCProfileMain          = 0x4d,
-    kAVCProfileExtended      = 0x58,
-    kAVCProfileHigh          = 0x64,
-    kAVCProfileHigh10        = 0x6e,
-    kAVCProfileHigh422       = 0x7a,
-    kAVCProfileHigh444       = 0xf4,
-    kAVCProfileCAVLC444Intra = 0x2c
-};
-
-static const char *AVCProfileToString(uint8_t profile) {
-    switch (profile) {
-        case kAVCProfileBaseline:
-            return "Baseline";
-        case kAVCProfileMain:
-            return "Main";
-        case kAVCProfileExtended:
-            return "Extended";
-        case kAVCProfileHigh:
-            return "High";
-        case kAVCProfileHigh10:
-            return "High 10";
-        case kAVCProfileHigh422:
-            return "High 422";
-        case kAVCProfileHigh444:
-            return "High 444";
-        case kAVCProfileCAVLC444Intra:
-            return "CAVLC 444 Intra";
-        default:   return "Unknown";
-    }
-}
-
 template<class T>
 static void InitOMXParams(T *params) {
     params->nSize = sizeof(T);
diff --git a/media/libstagefright/avc_utils.cpp b/media/libstagefright/avc_utils.cpp
index 478e40c..2fe5e18 100644
--- a/media/libstagefright/avc_utils.cpp
+++ b/media/libstagefright/avc_utils.cpp
@@ -218,6 +218,28 @@ static sp<ABuffer> FindNAL(
     return NULL;
 }
 
+const char *AVCProfileToString(uint8_t profile) {
+    switch (profile) {
+        case kAVCProfileBaseline:
+            return "Baseline";
+        case kAVCProfileMain:
+            return "Main";
+        case kAVCProfileExtended:
+            return "Extended";
+        case kAVCProfileHigh:
+            return "High";
+        case kAVCProfileHigh10:
+            return "High 10";
+        case kAVCProfileHigh422:
+            return "High 422";
+        case kAVCProfileHigh444:
+            return "High 444";
+        case kAVCProfileCAVLC444Intra:
+            return "CAVLC 444 Intra";
+        default:   return "Unknown";
+    }
+}
+
 sp<MetaData> MakeAVCCodecSpecificData(const sp<ABuffer> &accessUnit) {
     const uint8_t *data = accessUnit->data();
     size_t size = accessUnit->size();
@@ -244,6 +266,10 @@ sp<MetaData> MakeAVCCodecSpecificData(const sp<ABuffer> &accessUnit) {
 
     *out++ = 0x01;  // configurationVersion
     memcpy(out, seqParamSet->data() + 1, 3);  // profile/level...
+
+    uint8_t profile = out[0];
+    uint8_t level = out[2];
+
     out += 3;
     *out++ = (0x3f << 2) | 1;  // lengthSize == 2 bytes
     *out++ = 0xe0 | 1;
@@ -271,7 +297,8 @@ sp<MetaData> MakeAVCCodecSpecificData(const sp<ABuffer> &accessUnit) {
     meta->setInt32(kKeyWidth, width);
     meta->setInt32(kKeyHeight, height);
 
-    LOGI("found AVC codec config (%d x %d)", width, height);
+    LOGI("found AVC codec config (%d x %d, %s-profile level %d.%d)",
+         width, height, AVCProfileToString(profile), level / 10, level % 10);
 
     return meta;
 }
diff --git a/media/libstagefright/include/avc_utils.h b/media/libstagefright/include/avc_utils.h
index 62cfc36..3aeb07f 100644
--- a/media/libstagefright/include/avc_utils.h
+++ b/media/libstagefright/include/avc_utils.h
@@ -24,6 +24,17 @@ namespace android {
 
 struct ABitReader;
 
+enum {
+    kAVCProfileBaseline      = 0x42,
+    kAVCProfileMain          = 0x4d,
+    kAVCProfileExtended      = 0x58,
+    kAVCProfileHigh          = 0x64,
+    kAVCProfileHigh10        = 0x6e,
+    kAVCProfileHigh422       = 0x7a,
+    kAVCProfileHigh444       = 0xf4,
+    kAVCProfileCAVLC444Intra = 0x2c
+};
+
 void FindAVCDimensions(
         const sp<ABuffer> &seqParamSet, int32_t *width, int32_t *height);
 
@@ -39,6 +50,8 @@ sp<MetaData> MakeAVCCodecSpecificData(const sp<ABuffer> &accessUnit);
 
 bool IsIDR(const sp<ABuffer> &accessUnit);
 
+const char *AVCProfileToString(uint8_t profile);
+
 }  // namespace android
 
 #endif  // AVC_UTILS_H_
-- 
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