compatibility with older ffmpeg versions

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@2719 b956fd51-792f-4845-bead-9b4dfca2ff2c

3 files changed, 11 insertions, 4 deletions

diff --git a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_audio_convert.h b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_audio_convert.h
index f2b44e48..ee4c5a81 100644
--- a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_audio_convert.h
+++ b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_audio_convert.h
@@ -27,6 +27,7 @@
 
 #include "ffmpeg_core.h"
 #include "core/plugin_audio_convert.h"
+#include <math.h>
 
 extern const audioConverterInfo_t audioConverterInfo;
 
@@ -68,10 +69,10 @@ protected:
 				TAPS, 10, 0, 0.8);
 #else
 		_resampleContext = audio_resample_init(
-				dstFormatInfo.getChannels(),
-				srcFormatInfo.getChannels(),
-				lround(dstFormatInfo.getSampleRate()),
-				lround(srcFormatInfo.getSampleRate()));
+				_dstFormatInfo.getChannels(),
+				_srcFormatInfo.getChannels(),
+				lround(_dstFormatInfo.getSampleRate()),
+				lround(_srcFormatInfo.getSampleRate()));
 #endif
 
 		if (!_resampleContext) {
diff --git a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_core.cpp b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_core.cpp
index 7e55802b..6456322b 100644
--- a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_core.cpp
+++ b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_core.cpp
@@ -24,6 +24,7 @@
  */
 #include "ffmpeg_core.h"
 #include "core/logger.h"
+#include <errno.h>
 #include <sstream>
 
 const uint8_t* STATUS_PACKET = (uint8_t*)"STATUS_PACKET";
@@ -175,9 +176,11 @@ bool MediaCore_FFmpeg::convertFFmpegToAudioFormat(SampleFormat ffmpegFormat, aud
 	case SAMPLE_FMT_FLT:
 		*format = asfFloat;
 		break;
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(51,65,0)
 	case SAMPLE_FMT_DBL:
 		*format = asfDouble;
 		break;
+#endif	
 	default:
 		return false;
 	}
@@ -206,6 +209,8 @@ static int CDECL ffmpegStreamOpen(URLContext *h, const char *filename, int flags
 		break;
 	case URL_RDONLY:
 		mode = FILE_OPEN_MODE_READ;
+	default:
+		return AVERROR(ENOSYS);
 	}
 
 	fileStream_t *stream = pluginCore->fileOpen(utf8Filename.c_str(), mode);
diff --git a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.cpp b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.cpp
index c582c771..b3fc77b3 100644
--- a/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.cpp
+++ b/mediaplugin/src/plugins/media/ffmpeg/ffmpeg_video_decode.cpp
@@ -29,6 +29,7 @@
 
 #include "ffmpeg_video_decode.h"
 #include <sstream>
+#include <math.h>
 
 // These are called whenever we allocate a frame buffer.
 // We use this to store the global_pts in a frame at the time it is allocated.