diff --git a/channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c b/channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c
index e2c9da2c5..ad19f9e5e 100644
--- a/channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c
+++ b/channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c
@@ -47,6 +47,20 @@
 #define MAX_AUDIO_FRAME_SIZE 192000
 #endif
 
+#if LIBAVCODEC_VERSION_MAJOR < 55
+#define AV_CODEC_ID_VC1 CODEC_ID_VC1
+#define AV_CODEC_ID_WMAV2 CODEC_ID_WMAV2
+#define AV_CODEC_ID_WMAPRO CODEC_ID_WMAPRO
+#define AV_CODEC_ID_MP3 CODEC_ID_MP3
+#define AV_CODEC_ID_MP2 CODEC_ID_MP2
+#define AV_CODEC_ID_MPEG2VIDEO CODEC_ID_MPEG2VIDEO
+#define AV_CODEC_ID_WMV3 CODEC_ID_WMV3
+#define AV_CODEC_ID_AAC CODEC_ID_AAC
+#define AV_CODEC_ID_H264 CODEC_ID_H264
+#define AV_CODEC_ID_AC3 CODEC_ID_AC3
+#endif
+
+
 typedef struct _TSMFFFmpegDecoder
 {
 	ITSMFDecoder iface;
@@ -213,28 +227,28 @@ static BOOL tsmf_ffmpeg_set_format(ITSMFDecoder *decoder, TS_AM_MEDIA_TYPE *medi
 	switch(media_type->SubType)
 	{
 		case TSMF_SUB_TYPE_WVC1:
-			mdecoder->codec_id = CODEC_ID_VC1;
+			mdecoder->codec_id = AV_CODEC_ID_VC1;
 			break;
 		case TSMF_SUB_TYPE_WMA2:
-			mdecoder->codec_id = CODEC_ID_WMAV2;
+			mdecoder->codec_id = AV_CODEC_ID_WMAV2;
 			break;
 		case TSMF_SUB_TYPE_WMA9:
-			mdecoder->codec_id = CODEC_ID_WMAPRO;
+			mdecoder->codec_id = AV_CODEC_ID_WMAPRO;
 			break;
 		case TSMF_SUB_TYPE_MP3:
-			mdecoder->codec_id = CODEC_ID_MP3;
+			mdecoder->codec_id = AV_CODEC_ID_MP3;
 			break;
 		case TSMF_SUB_TYPE_MP2A:
-			mdecoder->codec_id = CODEC_ID_MP2;
+			mdecoder->codec_id = AV_CODEC_ID_MP2;
 			break;
 		case TSMF_SUB_TYPE_MP2V:
-			mdecoder->codec_id = CODEC_ID_MPEG2VIDEO;
+			mdecoder->codec_id = AV_CODEC_ID_MPEG2VIDEO;
 			break;
 		case TSMF_SUB_TYPE_WMV3:
-			mdecoder->codec_id = CODEC_ID_WMV3;
+			mdecoder->codec_id = AV_CODEC_ID_WMV3;
 			break;
 		case TSMF_SUB_TYPE_AAC:
-			mdecoder->codec_id = CODEC_ID_AAC;
+			mdecoder->codec_id = AV_CODEC_ID_AAC;
 			/* For AAC the pFormat is a HEAACWAVEINFO struct, and the codec data
 			   is at the end of it. See
 			   http://msdn.microsoft.com/en-us/library/dd757806.aspx */
@@ -246,10 +260,10 @@ static BOOL tsmf_ffmpeg_set_format(ITSMFDecoder *decoder, TS_AM_MEDIA_TYPE *medi
 			break;
 		case TSMF_SUB_TYPE_H264:
 		case TSMF_SUB_TYPE_AVC1:
-			mdecoder->codec_id = CODEC_ID_H264;
+			mdecoder->codec_id = AV_CODEC_ID_H264;
 			break;
 		case TSMF_SUB_TYPE_AC3:
-			mdecoder->codec_id = CODEC_ID_AC3;
+			mdecoder->codec_id = AV_CODEC_ID_AC3;
 			break;
 		default:
 			return FALSE;