diff --git a/README.md b/README.md
index d8c456f6..6b7598ad 100644
--- a/README.md
+++ b/README.md
@@ -233,6 +233,14 @@ channel mask to allow only certain channels (ex. "song.adx#c1,2").
 Creation of those files is meant for advanced users, docs can be found in
 vgmstream source.
 
+### Plugin conflicts
+Since vgmstream supports a huge amount of formats it's possibly that some of
+them are also supported in other plugins, and this sometimes causes conflicts.
+If a file that should isn't playing or looping, first make sure vgmstream is
+really opening it (should show "vgmstream" somewhere in the file info), and
+try to remove a few other plugins. foobar's ffmpeg plugin and foo_adpcm are
+known to cause issues.
+
 
 ## Tagging
 Some of vgmstream's plugins support simple read-only tagging via external files.
@@ -282,7 +290,7 @@ are used in few games.
 - Sony PSX ADPCM a.k.a VAG (standard, badflags, configurable)
 - Sony HEVAG
 - Electronic Arts EA-XA (stereo, mono, Maxis)
-- Electronic Arts EA-XAS
+- Electronic Arts EA-XAS (v0, v1)
 - DVI/IMA ADPCM (stereo/mono + high/low nibble, 3DS, Omikron, SNDS, etc)
 - Microsoft MS IMA ADPCM (standard, Xbox, NDS, Radical, Wwise, FSB, WV6, etc)
 - Microsoft MS ADPCM (standard, Cricket Audio)
@@ -298,7 +306,7 @@ are used in few games.
 - Konami XMD 4-bit ADPCM
 - Argonaut ASF 4-bit ADPCM
 - Circus XPCM ADPCM
-- PC-FX ADPCM
+- OKI 4-bit ADPCM (16-bit output, PC-FX)
 - SDX2 2:1 Squareroot-Delta-Exact compression DPCM
 - CBD2 2:1 Cuberoot-Delta-Exact compression DPCM
 - Activision EXAKT SASSC DPCM
@@ -560,6 +568,8 @@ This list is not complete and many other files are supported.
 	- .um3 (Ogg Vorbis)
 	- .xa (CD-ROM XA audio)
 	- .xma (MS XMA/XMA2)
+	- .sb0/sb1/sb2/sb3/sb4/sb5/sb6/sb7 (many)
+	- .sm0/sm1/sm2/sm3/sm4/sm5/sm6/sm7 (many)
 - artificial/generic headers:
     - .genh (lots)
     - .txth (lots)
diff --git a/src/layout/blocked_mul.c b/src/layout/blocked_mul.c
index 716e03c6..e9a4944a 100644
--- a/src/layout/blocked_mul.c
+++ b/src/layout/blocked_mul.c
@@ -44,7 +44,5 @@ void block_update_mul(off_t block_offset, VGMSTREAM * vgmstream) {
 
     for (i = 0; i < vgmstream->channels; i++) {
         vgmstream->ch[i].offset = block_offset + block_header + data_header + vgmstream->current_block_size*i;
-        //VGM_LOG("ch%i of=%lx\n", i, vgmstream->ch[i].offset);
     }
-    //getchar();
 }
diff --git a/src/vgmstream.c b/src/vgmstream.c
index fe415d31..e94d296a 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -2279,14 +2279,25 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
             "encoding: ");
     concatn(length,desc,temp);
     switch (vgmstream->coding_type) {
+
+    //todo codec bugs with layout inside layouts (ex. TXTP)
 #ifdef VGM_USE_FFMPEG
         case coding_FFmpeg: {
-            ffmpeg_codec_data *data = (ffmpeg_codec_data *)vgmstream->codec_data;
-            if (!data && vgmstream->layout_data) {
+            ffmpeg_codec_data *data = NULL;
+
+            if (vgmstream->layout_type == layout_layered) {
                 layered_layout_data* layout_data = vgmstream->layout_data;
                 if (layout_data->layers[0]->coding_type == coding_FFmpeg)
                     data = layout_data->layers[0]->codec_data;
             }
+            else if (vgmstream->layout_type == layout_segmented) {
+                segmented_layout_data* layout_data = vgmstream->layout_data;
+                if (layout_data->segments[0]->coding_type == coding_FFmpeg)
+                    data = layout_data->segments[0]->codec_data;
+            }
+            else {
+                data = vgmstream->codec_data;
+            }
 
             if (data) {
                 if (data->codec && data->codec->long_name) {
@@ -2636,7 +2647,7 @@ int get_vgmstream_average_bitrate(VGMSTREAM * vgmstream) {
         return get_vgmstream_average_bitrate_from_size(vgmstream->stream_size, sample_rate, length_samples);
     }
 
-
+    //todo bitrate bugs with layout inside layouts (ex. TXTP)
     /* make a list of used streamfiles (repeats will be filtered below) */
     if (vgmstream->layout_type==layout_segmented) {
         segmented_layout_data *data = (segmented_layout_data *) vgmstream->layout_data;