shithub: openh264

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add API only for decode parser for HW decoding support

--- a/codec/api/svc/codec_api.h

+++ b/codec/api/svc/codec_api.h

@@ -107,6 +107,14 @@

       SBufferInfo* pDstInfo) = 0;

   /*

+   * This function parse input bitstream only, and rewrite possible SVC syntax to AVC syntax

+   * return: 0 - success; otherwise -failed;

+   */

+  virtual DECODING_STATE EXTAPI DecodeParser (const unsigned char* pSrc,

+      const int iSrcLen,

+      SParserBsInfo* pDstInfo) = 0;

+

+  /*

    *  this API does not work for now!! This is for future use to support non-I420 color format output.

    */

   virtual DECODING_STATE EXTAPI DecodeFrameEx (const unsigned char* pSrc,

@@ -168,6 +176,10 @@

                                 const int iSrcLen,

                                 unsigned char** ppDst,

                                 SBufferInfo* pDstInfo);

+

+DECODING_STATE (*DecodeParser) (ISVCDecoder*, const unsigned char* pSrc,

+                                const int iSrcLen,

+                                SParserBsInfo* pDstInfo);

 DECODING_STATE (*DecodeFrameEx) (ISVCDecoder*, const unsigned char* pSrc,

                                  const int iSrcLen,

--- a/codec/api/svc/codec_app_def.h

+++ b/codec/api/svc/codec_app_def.h

@@ -447,4 +447,12 @@

   bool bRedPicCap;

 } SDecoderCapability;

+typedef struct TagParserBsInfo {

+  int iNalNum; //total NAL number in current AU

+  int iNalLenInByte [MAX_NAL_UNITS_IN_LAYER]; //each nal length

+  unsigned char* pDstBuff; //outputted dst buffer for parsed bitstream

+  int iSpsWidthInPixel; //required SPS width info

+  int iSpsHeightInPixel; //required SPS height info

+} SParserBsInfo, PParserBsInfo;

+

 #endif//WELS_VIDEO_CODEC_APPLICATION_DEFINITION_H__

--- a/codec/decoder/plus/inc/welsDecoderExt.h

+++ b/codec/decoder/plus/inc/welsDecoderExt.h

@@ -85,6 +85,9 @@

     const int kiSrcLen,

     unsigned char** ppDst,

     SBufferInfo* pDstInfo);

+virtual DECODING_STATE EXTAPI DecodeParser (const unsigned char* kpSrc,

+    const int kiSrcLen,

+    SParserBsInfo* pDstInfo);

 virtual DECODING_STATE EXTAPI DecodeFrameEx (const unsigned char* kpSrc,

     const int kiSrcLen,

     unsigned char* pDst,

--- a/codec/decoder/plus/src/welsDecoderExt.cpp

+++ b/codec/decoder/plus/src/welsDecoderExt.cpp

@@ -453,6 +453,13 @@

   return dsErrorFree;

 }

+DECODING_STATE CWelsDecoder::DecodeParser (const unsigned char* kpSrc,

+    const int kiSrcLen,

+    SParserBsInfo* pDstInfo) {

+//TODO, add function here

+ return (DECODING_STATE) m_pDecContext->iErrorCode;

+}

+

 DECODING_STATE CWelsDecoder::DecodeFrame (const unsigned char* kpSrc,

     const int kiSrcLen,

     unsigned char** ppDst,

--- a/test/api/c_interface_test.c

+++ b/test/api/c_interface_test.c

@@ -27,8 +27,9 @@

   CHECK(3, p, DecodeFrame);

   CHECK(4, p, DecodeFrame2);

   CHECK(5, p, DecodeFrameEx);

-  CHECK(6, p, SetOption);

-  CHECK(7, p, GetOption);

+  CHECK(6, p, DecodeParser);

+  CHECK(7, p, SetOption);

+  CHECK(8, p, GetOption);

 }

 struct bool_test_struct {

--- a/test/api/cpp_interface_test.cpp

+++ b/test/api/cpp_interface_test.cpp

@@ -88,13 +88,18 @@

     EXPECT_TRUE (gThis == this);

     return static_cast<DECODING_STATE> (5);

   }

+  virtual DECODING_STATE EXTAPI DecodeParser (const unsigned char* pSrc,

+      const int iSrcLen, SParserBsInfo* pDstInfo) {

+    EXPECT_TRUE (gThis == this);

+    return static_cast<DECODING_STATE> (6);

+  }

   virtual long EXTAPI SetOption (DECODER_OPTION eOptionId, void* pOption) {

     EXPECT_TRUE (gThis == this);

-    return 6;

+    return 7;

   }

   virtual long EXTAPI GetOption (DECODER_OPTION eOptionId, void* pOption) {

     EXPECT_TRUE (gThis == this);

-    return 7;

+    return 8;

   }

 };