1 files changed, 82 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFlushBits.s b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFlushBits.s
new file mode 100644
index 0000000..21335b8
--- /dev/null
+++ b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm/h264bsdFlushBits.s
@@ -0,0 +1,82 @@
+;
+; Copyright (C) 2009 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.
+;
+
+    REQUIRE8
+    PRESERVE8
+
+    AREA    |.text|, CODE
+
+    EXPORT h264bsdFlushBits
+
+; Input / output registers
+pStrmData       RN  0
+numBits         RN  1
+readBits        RN  2
+strmBuffSize    RN  3
+pStrmBuffStart  RN  1
+pStrmCurrPos    RN  2
+bitPosInWord    RN  1
+
+; -- NEON registers --
+
+
+
+;/*------------------------------------------------------------------------------
+;
+;    Function: h264bsdFlushBits
+;
+;        Functional description:
+;
+;        Inputs:
+;
+;        Outputs:
+;
+;        Returns:
+;
+;------------------------------------------------------------------------------*/
+
+h264bsdFlushBits
+;//    PUSH     {r4-r6,lr}
+
+    LDR readBits, [pStrmData, #0x10]
+    LDR strmBuffSize, [pStrmData, #0xC]
+
+    ADD readBits, readBits, numBits
+    AND bitPosInWord, readBits, #7
+
+    STR readBits, [pStrmData, #0x10]
+    STR bitPosInWord, [pStrmData, #0x8]
+
+    LDR pStrmBuffStart, [pStrmData, #0x0]
+
+    CMP readBits, strmBuffSize, LSL #3
+
+    BHI end_of_stream
+
+    ADD pStrmCurrPos, pStrmBuffStart, readBits, LSR #3
+    STR pStrmCurrPos, [pStrmData, #0x4]
+    MOV r0, #0
+    BX  lr
+;//    POP      {r4-r6,pc}
+
+end_of_stream
+    MVN r0, #0
+    BX  lr
+;//    POP      {r4-r6,pc}
+
+    END
+
+