fix bug about using LIBAVCODEC_VERSION_MAJOR version,leading to wrong pcm format for aac encoding

@@ -289,7 +289,7 @@ int CAVTranscoder::open_output_file(const char *filename)
 		for (; it != decoders_got_frame.end(); it++) {
 			AVFrame * pFrame = (*it)->_cur_a_frame;
 			if (pFrame) {
-#if LIBAVCODEC_VERSION_MAJOR < 58
+#if LIBAVCODEC_VERSION_MAJOR < 57
 				int16_t * psrc = (int16_t *)pFrame->extended_data[0];
 				int16_t * pdst = (int16_t *)pDstFrame->extended_data[0];
 #else

 #include "VideoDecoder.h"
+
 extern AVRational timebase_ms;
 
 CVideoDecoder::CVideoDecoder() :

@@ -51,7 +51,9 @@ extern "C" {
 #include <libavutil/opt.h>
 #include <libavutil/pixdesc.h>
 }
-#ifdef WIN32
+
+
+#ifdef ADD_FFMPEG_LIB
 #pragma comment(lib, "avcodec.lib")
 #pragma comment(lib, "avdevice.lib")
 #pragma comment(lib, "avfilter.lib")
@@ -60,9 +62,7 @@ extern "C" {
 #pragma comment(lib, "postproc.lib")
 #pragma comment(lib, "swresample.lib")
 #pragma comment(lib, "swscale.lib")
-#endif
-
-#if _MSC_VER
+
 #define snprintf _snprintf
 #define PRIu64       "I64u"
 #define PRId64       "I64d"
@@ -70,6 +70,8 @@ extern "C" {
 #define PRIX64       "I64X"
 #endif
 
+
+
 typedef struct FilteringContext {
 	AVFilterContext *buffersink_ctx;
 	AVFilterContext *buffersrc_ctx;
@@ -80,7 +82,7 @@ typedef struct FilteringContext {
 #define AFRAME_DURATION_MS 21.333333
 #define VFRAME_DURATION_MS 50
 
-#if LIBAVCODEC_VERSION_MAJOR < 58
+#if LIBAVCODEC_VERSION_MAJOR < 57
 #define PCM_FORMAT_FOR_AAC_ENCODE  AV_SAMPLE_FMT_S16
 #else
 #define PCM_FORMAT_FOR_AAC_ENCODE  AV_SAMPLE_FMT_FLTP

@@ -52,7 +52,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ADD_FFMPEG_LIB;WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\liveAssistant\third-lib\ffmpeg\include</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
@@ -69,7 +69,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ADD_FFMPEG_LIB;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>