Add DTS-HD passthru \o/

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4055 b64f7644-9d1e-0410-96f1-a4d463321fa5

10 files changed, 133 insertions, 99 deletions

diff --git a/libhb/bd.c b/libhb/bd.c
index 536769307..9231436f6 100644
--- a/libhb/bd.c
+++ b/libhb/bd.c
@@ -103,7 +103,7 @@ static void add_audio(int track, hb_list_t *list_audio, BLURAY_STREAM_INFO *bdau
         strlen(lang->native_name) ? lang->native_name : lang->eng_name,
         audio->config.in.codec == HB_ACODEC_AC3 ? "AC3" : 
         ( audio->config.in.codec == HB_ACODEC_DCA ? "DTS" : 
-        ( audio->config.in.codec == HB_ACODEC_MPGA ? 
+        ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) ? 
             ( stream_type == BLURAY_STREAM_TYPE_AUDIO_LPCM ? "BD LPCM" : 
             ( stream_type == BLURAY_STREAM_TYPE_AUDIO_AC3PLUS ? "E-AC3" : 
             ( stream_type == BLURAY_STREAM_TYPE_AUDIO_TRUHD ? "TrueHD" : 
@@ -352,7 +352,7 @@ hb_title_t * hb_bd_title_scan( hb_bd_t * d, int tt, uint64_t min_duration )
                 add_audio(ii, title->list_audio, bdaudio, 
                           HB_SUBSTREAM_BD_AC3, HB_ACODEC_AC3, 0);
                 add_audio(ii, title->list_audio, bdaudio, 
-                    HB_SUBSTREAM_BD_TRUEHD, HB_ACODEC_MPGA, CODEC_ID_TRUEHD);
+                    HB_SUBSTREAM_BD_TRUEHD, HB_ACODEC_FFMPEG, CODEC_ID_TRUEHD);
                 break;
 
             case BLURAY_STREAM_TYPE_AUDIO_DTS:
@@ -362,17 +362,17 @@ hb_title_t * hb_bd_title_scan( hb_bd_t * d, int tt, uint64_t min_duration )
             case BLURAY_STREAM_TYPE_AUDIO_MPEG2:
             case BLURAY_STREAM_TYPE_AUDIO_MPEG1:
                 add_audio(ii, title->list_audio, bdaudio, 0, 
-                          HB_ACODEC_MPGA, CODEC_ID_MP2);
+                          HB_ACODEC_FFMPEG, CODEC_ID_MP2);
                 break;
 
             case BLURAY_STREAM_TYPE_AUDIO_AC3PLUS:
                 add_audio(ii, title->list_audio, bdaudio, 0, 
-                          HB_ACODEC_MPGA, CODEC_ID_EAC3);
+                          HB_ACODEC_FFMPEG, CODEC_ID_EAC3);
                 break;
 
             case BLURAY_STREAM_TYPE_AUDIO_LPCM:
                 add_audio(ii, title->list_audio, bdaudio, 0, 
-                          HB_ACODEC_MPGA, CODEC_ID_PCM_BLURAY);
+                          HB_ACODEC_FFMPEG, CODEC_ID_PCM_BLURAY);
                 break;
 
             case BLURAY_STREAM_TYPE_AUDIO_AC3:
@@ -388,7 +388,7 @@ hb_title_t * hb_bd_title_scan( hb_bd_t * d, int tt, uint64_t min_duration )
                 // DTS-core followed by DTS-hd-extensions.  Setting
                 // a substream id of 0 says use all substreams.
                 add_audio(ii, title->list_audio, bdaudio, 0,
-                          HB_ACODEC_MPGA, CODEC_ID_DTS);
+                          HB_ACODEC_DCA_HD, CODEC_ID_DTS);
                 break;
 
             default:
diff --git a/libhb/common.c b/libhb/common.c
index 2d5963d76..5f3ce49f8 100644
--- a/libhb/common.c
+++ b/libhb/common.c
@@ -1226,7 +1226,7 @@ int hb_audio_add(const hb_job_t * job, const hb_audio_config_t * audiocfg)
      */
     audio->config.out.track = hb_list_count(job->list_audio) + 1;
     audio->config.out.codec = audiocfg->out.codec;
-    if( (audiocfg->out.codec & HB_ACODEC_MASK) == audio->config.in.codec &&
+    if( (audiocfg->out.codec & HB_ACODEC_MASK) == (audio->config.in.codec & HB_ACODEC_MASK) &&
         (audiocfg->out.codec & HB_ACODEC_PASS_FLAG ) )
     {
         /* Pass-through, copy from input. */
diff --git a/libhb/common.h b/libhb/common.h
index 492e39750..d350a6bf1 100644
--- a/libhb/common.h
+++ b/libhb/common.h
@@ -316,17 +316,20 @@ struct hb_job_s
 #define HB_ACODEC_LAME      0x00000200
 #define HB_ACODEC_VORBIS    0x00000400
 #define HB_ACODEC_AC3       0x00000800
-#define HB_ACODEC_MPGA      0x00001000
-#define HB_ACODEC_LPCM      0x00002000
-#define HB_ACODEC_DCA       0x00004000
-#define HB_ACODEC_FFMPEG    0x00008000
-#define HB_ACODEC_CA_AAC    0x00010000
-#define HB_ACODEC_CA_HAAC   0x00020000
-#define HB_ACODEC_FFAAC     0x00040000
+#define HB_ACODEC_LPCM      0x00001000
+#define HB_ACODEC_DCA       0x00002000
+#define HB_ACODEC_CA_AAC    0x00004000
+#define HB_ACODEC_CA_HAAC   0x00008000
+#define HB_ACODEC_FFAAC     0x00010000
+#define HB_ACODEC_FFMPEG    0x00020000
+#define HB_ACODEC_DCA_HD    0x00040000
+#define HB_ACODEC_FF_MASK   0x00060000
+#define HB_ACODEC_FF_I_FLAG 0x80000000
 #define HB_ACODEC_PASS_FLAG 0x40000000
-#define HB_ACODEC_PASS_MASK (HB_ACODEC_AC3 | HB_ACODEC_DCA)
+#define HB_ACODEC_PASS_MASK (HB_ACODEC_DCA_HD | HB_ACODEC_AC3 | HB_ACODEC_DCA)
 #define HB_ACODEC_AC3_PASS  (HB_ACODEC_AC3 | HB_ACODEC_PASS_FLAG)
 #define HB_ACODEC_DCA_PASS  (HB_ACODEC_DCA | HB_ACODEC_PASS_FLAG)
+#define HB_ACODEC_DCA_HD_PASS  (HB_ACODEC_DCA_HD | HB_ACODEC_PASS_FLAG)
 #define HB_ACODEC_ANY       (HB_ACODEC_MASK | HB_ACODEC_PASS_FLAG)
 
 #define HB_SUBSTREAM_BD_TRUEHD  0x72
diff --git a/libhb/decavcodec.c b/libhb/decavcodec.c
index 610ec1120..63b1c6dff 100644
--- a/libhb/decavcodec.c
+++ b/libhb/decavcodec.c
@@ -74,7 +74,7 @@ static int decavcodecBSInfo( hb_work_object_t *, const hb_buffer_t *, hb_work_in
 hb_work_object_t hb_decavcodec =
 {
     WORK_DECAVCODEC,
-    "MPGA decoder (libavcodec)",
+    "Audio decoder (libavcodec)",
     decavcodecInit,
     decavcodecWork,
     decavcodecClose,
@@ -1327,23 +1327,6 @@ static void init_ffmpeg_context( hb_work_object_t *w )
     pv->brokenByMicrosoft = 1;
 }
 
-static void prepare_ffmpeg_buffer( hb_buffer_t * in )
-{
-    // ffmpeg requires an extra 8 bytes of zero at the end of the buffer and
-    // will seg fault in odd, data dependent ways if it's not there. (my guess
-    // is this is a case of a local performance optimization creating a global
-    // performance degradation since all the time wasted by extraneous data
-    // copies & memory zeroing has to be huge compared to the minor reduction
-    // in inner-loop instructions this affords - modern cpus bottleneck on
-    // memory bandwidth not instruction bandwidth).
-    if ( in->size + FF_INPUT_BUFFER_PADDING_SIZE > in->alloc )
-    {
-        // have to realloc to add the padding
-        hb_buffer_realloc( in, in->size + FF_INPUT_BUFFER_PADDING_SIZE );
-    }
-    memset( in->data + in->size, 0, FF_INPUT_BUFFER_PADDING_SIZE );
-}
-
 static int decavcodecviInit( hb_work_object_t * w, hb_job_t * job )
 {
 
@@ -1429,7 +1412,6 @@ static int decavcodecviWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
         pv->new_chap = in->new_chap;
         pv->chap_time = pts >= 0? pts : pv->pts_next;
     }
-    prepare_ffmpeg_buffer( in );
     decodeFrame( pv, in->data, in->size, in->sequence, in->start, in->renderOffset );
     hb_buffer_close( &in );
     *buf_out = link_buf_list( pv );
@@ -1475,7 +1457,7 @@ static hb_buffer_t * downmixAudio(
     else
     {
         buf = hb_buffer_init( nsamples * sizeof(float) );
-        memcpy(buf->data, buffer, nsamples * sizeof(float) );
+        memcpy( buf->data, buffer, nsamples * sizeof(float) );
     }
 
     return buf;
@@ -1524,7 +1506,34 @@ static void decodeAudio( hb_audio_t * audio, hb_work_private_t *pv, uint8_t *dat
         pos += len;
         if( out_size > 0 )
         {
-            // We require signed 16-bit ints for the output format. If
+            int isamp = av_get_bytes_per_sample( context->sample_fmt );
+            nsamples = out_size / isamp;
+            double pts_next = pv->pts_next + nsamples * pv->duration;
+
+            // DTS-HD can be passed through to mkv
+            if( audio->config.out.codec & HB_ACODEC_PASS_FLAG )
+            {
+                // Note that even though we are doing passthru, we had
+                // to decode so that we know the stop time and the
+                // pts of the next audio packet.
+                hb_buffer_t * buf;
+
+                buf = hb_buffer_init( avp.size );
+                memcpy( buf->data, avp.data, len );
+                buf->start = pv->pts_next;
+                buf->stop  = pts_next;
+                hb_list_add( pv->list, buf );
+
+                if ( hb_list_count( audio->priv.ff_audio_list ) == 0 )
+                {
+                    pv->pts_next = pts_next;
+                    continue;
+                }
+                // Fall through and process the list of other audio
+                // pipelines that use this ffmpeg audio stream.
+            }
+
+            // We require signed floats for the output format. If
             // we got something different convert it.
             if ( context->sample_fmt != AV_SAMPLE_FMT_FLT )
             {
@@ -1535,16 +1544,13 @@ static void decodeAudio( hb_audio_t * audio, hb_work_private_t *pv, uint8_t *dat
                 //       anything more complicated than a one-for-one format
                 //       conversion we'd probably want to cache the converter
                 //       context in the pv.
-                int isamp;
                 AVAudioConvert *ctx;
 
-                isamp = av_get_bytes_per_sample( context->sample_fmt );
                 ctx = av_audio_convert_alloc( AV_SAMPLE_FMT_FLT, 1,
                                               context->sample_fmt, 1,
                                               NULL, 0 );
 
                 // get output buffer size then malloc a buffer
-                nsamples = out_size / isamp;
                 buffer = av_malloc( nsamples * sizeof(hb_sample_t) );
 
                 // we're doing straight sample format conversion which 
@@ -1557,16 +1563,11 @@ static void decodeAudio( hb_audio_t * audio, hb_work_private_t *pv, uint8_t *dat
                 av_audio_convert( ctx, obuf, ostride, ibuf, istride, nsamples );
                 av_audio_convert_free( ctx );
             }
-            else
-            {
-                nsamples = out_size / sizeof(hb_sample_t);
-            }
 
-            hb_buffer_t * buf;
-            double pts_next = pv->pts_next + nsamples * pv->duration;
-            buf = downmixAudio( audio, pv, buffer, context->channels, nsamples );
-            if ( buf )
+            if ( !( audio->config.out.codec & HB_ACODEC_PASS_FLAG ) )
             {
+                hb_buffer_t * buf;
+                buf = downmixAudio( audio, pv, buffer, context->channels, nsamples );
                 buf->start = pv->pts_next;
                 buf->stop = pts_next;
                 hb_list_add( pv->list, buf );
@@ -1579,13 +1580,20 @@ static void decodeAudio( hb_audio_t * audio, hb_work_private_t *pv, uint8_t *dat
                 hb_work_private_t *ff_pv = hb_list_item( pv->ff_audio_list, i );
                 if ( ff_pv )
                 {
-                    buf = downmixAudio( ff_audio, ff_pv, buffer, context->channels, nsamples );
-                    if ( buf )
+                    hb_buffer_t * buf;
+
+                    if ( !( ff_audio->config.out.codec & HB_ACODEC_PASS_FLAG ) )
+                    {
+                        buf = downmixAudio( ff_audio, ff_pv, buffer, context->channels, nsamples );
+                    }
+                    else
                     {
-                        buf->start = pv->pts_next;
-                        buf->stop = pts_next;
-                        hb_list_add( ff_pv->list, buf );
+                        buf = hb_buffer_init( avp.size );
+                        memcpy( buf->data, avp.data, len );
                     }
+                    buf->start = pv->pts_next;
+                    buf->stop  = pts_next;
+                    hb_list_add( ff_pv->list, buf );
                 }
             }
             pv->pts_next = pts_next;
@@ -1639,7 +1647,6 @@ static int decavcodecaiWork( hb_work_object_t *w, hb_buffer_t **buf_in,
     {
         pv->pts_next = in->start;
     }
-    prepare_ffmpeg_buffer( in );
     decodeAudio( w->audio, pv, in->data, in->size, pv->pts_next );
     writeAudioFifos( w );
     *buf_out = link_buf_list( pv );
diff --git a/libhb/dvd.c b/libhb/dvd.c
index c5c052223..2a36eb4f2 100644
--- a/libhb/dvd.c
+++ b/libhb/dvd.c
@@ -360,7 +360,7 @@ static hb_title_t * hb_dvdread_title_scan( hb_dvd_t * e, int t, uint64_t min_dur
             case 0x02:
             case 0x03:
                 audio->id    = 0xc0 + position;
-                audio->config.in.codec = HB_ACODEC_MPGA;
+                audio->config.in.codec = HB_ACODEC_FFMPEG;
                 break;
 
             case 0x04:
@@ -411,7 +411,7 @@ static hb_title_t * hb_dvdread_title_scan( hb_dvd_t * e, int t, uint64_t min_dur
             strlen(lang->native_name) ? lang->native_name : lang->eng_name,
             audio->config.in.codec == HB_ACODEC_AC3 ? "AC3" : ( audio->config.in.codec ==
                 HB_ACODEC_DCA ? "DTS" : ( audio->config.in.codec ==
-                HB_ACODEC_MPGA ? "MPEG" : "LPCM" ) ) );
+                HB_ACODEC_FFMPEG ? "MPEG" : "LPCM" ) ) );
         snprintf( audio->config.lang.simple, sizeof( audio->config.lang.simple ), "%s",
                   strlen(lang->native_name) ? lang->native_name : lang->eng_name );
         snprintf( audio->config.lang.iso639_2, sizeof( audio->config.lang.iso639_2 ), "%s",
diff --git a/libhb/dvdnav.c b/libhb/dvdnav.c
index d65b6abbb..eda1988bc 100644
--- a/libhb/dvdnav.c
+++ b/libhb/dvdnav.c
@@ -508,7 +508,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t, uint64_t min_dura
             case 0x02:
             case 0x03:
                 audio->id    = 0xc0 + position;
-                audio->config.in.codec = HB_ACODEC_MPGA;
+                audio->config.in.codec = HB_ACODEC_FFMPEG;
                 break;
 
             case 0x04:
@@ -559,7 +559,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t, uint64_t min_dura
             strlen(lang->native_name) ? lang->native_name : lang->eng_name,
             audio->config.in.codec == HB_ACODEC_AC3 ? "AC3" : ( audio->config.in.codec ==
                 HB_ACODEC_DCA ? "DTS" : ( audio->config.in.codec ==
-                HB_ACODEC_MPGA ? "MPEG" : "LPCM" ) ) );
+                HB_ACODEC_FFMPEG ? "MPEG" : "LPCM" ) ) );
         snprintf( audio->config.lang.simple, sizeof( audio->config.lang.simple ), "%s",
                   strlen(lang->native_name) ? lang->native_name : lang->eng_name );
         snprintf( audio->config.lang.iso639_2, sizeof( audio->config.lang.iso639_2 ), "%s",
diff --git a/libhb/muxmkv.c b/libhb/muxmkv.c
index 654c51bc0..f73139b98 100644
--- a/libhb/muxmkv.c
+++ b/libhb/muxmkv.c
@@ -191,6 +191,8 @@ static int MKVInit( hb_mux_object_t * m )
         {
             case HB_ACODEC_DCA:
             case HB_ACODEC_DCA_PASS:
+            case HB_ACODEC_DCA_HD:
+            case HB_ACODEC_DCA_HD_PASS:
                 track->codecPrivate = NULL;
                 track->codecPrivateSize = 0;
                 track->codecID = MK_ACODEC_DTS;
diff --git a/libhb/stream.c b/libhb/stream.c
index fdfc8b6a7..ddf20602b 100644
--- a/libhb/stream.c
+++ b/libhb/stream.c
@@ -45,8 +45,8 @@ typedef struct {
 static const stream2codec_t st2codec[256] = {
     st(0x01, V, WORK_DECMPEG2,     0,              "MPEG1"),
     st(0x02, V, WORK_DECMPEG2,     0,              "MPEG2"),
-    st(0x03, A, HB_ACODEC_MPGA,    CODEC_ID_MP2,   "MPEG1"),
-    st(0x04, A, HB_ACODEC_MPGA,    CODEC_ID_MP2,   "MPEG2"),
+    st(0x03, A, HB_ACODEC_FFMPEG,  CODEC_ID_MP2,   "MPEG1"),
+    st(0x04, A, HB_ACODEC_FFMPEG,  CODEC_ID_MP2,   "MPEG2"),
     st(0x05, N, 0,                 0,              "ISO 13818-1 private section"),
     st(0x06, U, 0,                 0,              "ISO 13818-1 PES private data"),
     st(0x07, N, 0,                 0,              "ISO 13522 MHEG"),
@@ -57,23 +57,23 @@ static const stream2codec_t st2codec[256] = {
     st(0x0c, N, 0,                 0,              "ISO 13818-6 Stream descriptors"),
     st(0x0d, N, 0,                 0,              "ISO 13818-6 Sections"),
     st(0x0e, N, 0,                 0,              "ISO 13818-1 auxiliary"),
-    st(0x0f, A, HB_ACODEC_MPGA,    CODEC_ID_AAC,   "AAC"),
+    st(0x0f, A, HB_ACODEC_FFMPEG,  CODEC_ID_AAC,   "AAC"),
     st(0x10, V, WORK_DECAVCODECV,  CODEC_ID_MPEG4, "MPEG4"),
-    st(0x11, A, HB_ACODEC_MPGA,    CODEC_ID_AAC_LATM, "LATM AAC"),
+    st(0x11, A, HB_ACODEC_FFMPEG,  CODEC_ID_AAC_LATM, "LATM AAC"),
     st(0x12, U, 0,                 0,              "MPEG4 generic"),
 
     st(0x14, N, 0,                 0,              "ISO 13818-6 DSM-CC download"),
 
     st(0x1b, V, WORK_DECAVCODECV,  CODEC_ID_H264,  "H.264"),
 
-    st(0x80, N, HB_ACODEC_MPGA,    CODEC_ID_PCM_BLURAY, "Digicipher II Video"),
+    st(0x80, N, HB_ACODEC_FFMPEG,  CODEC_ID_PCM_BLURAY, "Digicipher II Video"),
     st(0x81, A, HB_ACODEC_AC3,     0,              "AC3"),
     st(0x82, A, HB_ACODEC_DCA,     0,              "DTS"),
     st(0x83, A, HB_ACODEC_LPCM,    0,              "LPCM"),
     st(0x84, U, 0,                 0,              "SDDS"),
     st(0x85, U, 0,                 0,              "ATSC Program ID"),
     st(0x86, A, HB_ACODEC_DCA,     0,              "DTS-HD MA"),
-    st(0x87, A, HB_ACODEC_MPGA,    CODEC_ID_EAC3,  "E-AC3"),
+    st(0x87, A, HB_ACODEC_FFMPEG,  CODEC_ID_EAC3,  "E-AC3"),
 
     st(0x8a, A, HB_ACODEC_DCA,     0,              "DTS"),
 
@@ -1705,7 +1705,8 @@ static void set_ts_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     // For streams demuxed and decoded by ffmpeg, we have a cached context.
     // Use it to get the name and profile information.  Obtaining
     // the profile requires that ffmpeg has already probed the stream.
-    else if ( audio->config.in.codec == HB_ACODEC_FFMPEG &&
+    else if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) &&
+              ( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) &&
          ( cc = hb_ffmpeg_context( audio->config.in.codec_param ) ) &&
          avcodec_find_decoder( cc->codec_id ) )
     {
@@ -1726,7 +1727,8 @@ static void set_ts_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     }
     // For streams demuxed by us and decoded by ffmpeg, we can lookup the
     // decoder name.
-    else if ( audio->config.in.codec == HB_ACODEC_MPGA &&
+    else if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) &&
+              !( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) &&
               avcodec_find_decoder( audio->config.in.codec_param ) )
     {
         codec_name = avcodec_find_decoder( audio->config.in.codec_param )->name;
@@ -1735,9 +1737,9 @@ static void set_ts_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     {
         codec_name = audio->config.in.codec == HB_ACODEC_AC3 ? "AC3" :
                      audio->config.in.codec == HB_ACODEC_DCA ? "DTS" :
-                     audio->config.in.codec == HB_ACODEC_MPGA ? "MPEG" : 
+                     audio->config.in.codec == HB_ACODEC_DCA_HD ? "DTS-HD" :
                      audio->config.in.codec == HB_ACODEC_LPCM ? "LPCM" : 
-                     audio->config.in.codec == HB_ACODEC_FFMPEG ? "FFmpeg" :
+                     (audio->config.in.codec & HB_ACODEC_FF_MASK) ? "FFmpeg" :
                      "Unknown";
     }
     snprintf( audio->config.lang.description,
@@ -1745,7 +1747,8 @@ static void set_ts_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
               strlen(lang->native_name) ? lang->native_name : lang->eng_name,
               codec_name );
 
-    if (audio->config.in.codec == HB_ACODEC_FFMPEG)
+    if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK) &&
+         ( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) )
     {
         int layout = audio->config.in.channel_layout;
         char *desc = audio->config.lang.description +
@@ -1776,7 +1779,8 @@ static void set_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     // For streams demuxed and decoded by ffmpeg, we have a cached context.
     // Use it to get the name and profile information.  Obtaining
     // the profile requires that ffmpeg has already probed the stream.
-    if ( audio->config.in.codec == HB_ACODEC_FFMPEG &&
+    if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) &&
+         ( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) &&
          ( cc = hb_ffmpeg_context( audio->config.in.codec_param ) ) &&
          avcodec_find_decoder( cc->codec_id ) )
     {
@@ -1792,7 +1796,8 @@ static void set_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     }
     // For streams demuxed by us and decoded by ffmpeg, we can lookup the
     // decoder name.
-    else if ( audio->config.in.codec == HB_ACODEC_MPGA &&
+    else if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) &&
+              !( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) &&
               avcodec_find_decoder( audio->config.in.codec_param ) )
     {
         codec_name = avcodec_find_decoder( audio->config.in.codec_param )->name;
@@ -1801,9 +1806,8 @@ static void set_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
     {
         codec_name = audio->config.in.codec == HB_ACODEC_AC3 ? "AC3" :
                      audio->config.in.codec == HB_ACODEC_DCA ? "DTS" :
-                     audio->config.in.codec == HB_ACODEC_MPGA ? "MPEG" : 
                      audio->config.in.codec == HB_ACODEC_LPCM ? "LPCM" : 
-                     audio->config.in.codec == HB_ACODEC_FFMPEG ? "FFmpeg" :
+                     (audio->config.in.codec & HB_ACODEC_FF_MASK) ? "FFmpeg" :
                      "Unknown";
     }
     snprintf( audio->config.lang.description,
@@ -1811,7 +1815,8 @@ static void set_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
               strlen(lang->native_name) ? lang->native_name : lang->eng_name,
               codec_name );
 
-    if (audio->config.in.codec == HB_ACODEC_FFMPEG)
+    if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK) &&
+         ( audio->config.in.codec & HB_ACODEC_FF_I_FLAG ) )
     {
         int layout = audio->config.in.channel_layout;
         char *desc = audio->config.lang.description +
@@ -1875,7 +1880,7 @@ static void hb_ts_stream_set_audio_list(
             // To distinguish, Bluray streams have a reg_desc of HDMV
             stream->ts[i].stream_kind = A;
             add_audio(i, list_audio, stream, 0,
-                      HB_ACODEC_MPGA, CODEC_ID_PCM_BLURAY );
+                      HB_ACODEC_FFMPEG, CODEC_ID_PCM_BLURAY );
             continue;
         }
 
@@ -1896,7 +1901,7 @@ static void hb_ts_stream_set_audio_list(
                       HB_ACODEC_AC3, 0 );
             stream->ts[i].substream_type[1] = HB_SUBSTREAM_BD_TRUEHD;
             add_audio(i, list_audio, stream, HB_SUBSTREAM_BD_TRUEHD, 
-                      HB_ACODEC_MPGA, CODEC_ID_TRUEHD );
+                      HB_ACODEC_FFMPEG, CODEC_ID_TRUEHD );
             stream->ts[i].number_substreams = 2;
             continue;
         }
@@ -1910,7 +1915,7 @@ static void hb_ts_stream_set_audio_list(
             add_audio(i, list_audio, stream, HB_SUBSTREAM_BD_DTS, 
                       HB_ACODEC_DCA, 0 );
             stream->ts[i].substream_type[1] = 0;
-            add_audio(i, list_audio, stream, 0, HB_ACODEC_MPGA, CODEC_ID_DTS );
+            add_audio(i, list_audio, stream, 0, HB_ACODEC_DCA_HD, CODEC_ID_DTS );
             stream->ts[i].number_substreams = 2;
             continue;
         }
@@ -1927,7 +1932,7 @@ static void hb_ts_stream_set_audio_list(
             add_audio(i, list_audio, stream, HB_SUBSTREAM_BD_DTS, 
                       HB_ACODEC_DCA, 0 );
             stream->ts[i].substream_type[1] = 0;
-            add_audio(i, list_audio, stream, 0, HB_ACODEC_MPGA, CODEC_ID_DTS );
+            add_audio(i, list_audio, stream, 0, HB_ACODEC_DCA_HD, CODEC_ID_DTS );
             stream->ts[i].number_substreams = 2;
             continue;
         }
@@ -1938,7 +1943,7 @@ static void hb_ts_stream_set_audio_list(
             // which conflicts with SDDS
             // To distinguish, Bluray streams have a reg_desc of HDMV
             stream->ts[i].stream_kind = A;
-            add_audio(i, list_audio, stream, 0, HB_ACODEC_MPGA, CODEC_ID_EAC3 );
+            add_audio(i, list_audio, stream, 0, HB_ACODEC_FFMPEG, CODEC_ID_EAC3 );
             continue;
         }
 
@@ -1982,7 +1987,7 @@ static void hb_ts_stream_set_audio_list(
                 // 0xC0 - 0xCF are the normal containers for ISO-standard
                 // media (mpeg2 audio and mpeg4 AAC).
                 add_audio(i, list_audio, stream, 0, 
-                          HB_ACODEC_MPGA, CODEC_ID_MP2 );
+                          HB_ACODEC_FFMPEG, CODEC_ID_MP2 );
             }
             else
             {
@@ -2010,7 +2015,7 @@ static void add_audio_to_title(hb_title_t *title, int id)
     switch ( id >> 12 )
     {
         case 0x0:
-            audio->config.in.codec = HB_ACODEC_MPGA;
+            audio->config.in.codec = HB_ACODEC_FFMPEG;
             hb_log("add_audio_to_title: added MPEG audio stream 0x%x", id);
             break;
         case 0x2:
@@ -3189,7 +3194,7 @@ static void ffmpeg_remap_stream( hb_stream_t *stream, hb_title_t *title )
     hb_audio_t *audio;
     for ( i = 0; ( audio = hb_list_item( title->list_audio, i ) ); ++i )
     {
-        if ( audio->config.in.codec == HB_ACODEC_FFMPEG )
+        if ( audio->config.in.codec & HB_ACODEC_FF_MASK )
         {
             ffmpeg_add_codec( stream,
                               audio->config.in.codec_param >> ffmpeg_sl_bits );
@@ -3330,7 +3335,16 @@ static void add_ffmpeg_audio( hb_title_t *title, hb_stream_t *stream, int id )
         }
         else
         {
-            audio->config.in.codec = HB_ACODEC_FFMPEG;
+            if ( codec->codec_id == CODEC_ID_DTS &&
+               ( codec->profile == FF_PROFILE_DTS_HD_MA ||
+                 codec->profile == FF_PROFILE_DTS_HD_HRA ) )
+            {
+                audio->config.in.codec = HB_ACODEC_DCA_HD | HB_ACODEC_FF_I_FLAG;
+            }
+            else
+            {
+                audio->config.in.codec = HB_ACODEC_FFMPEG | HB_ACODEC_FF_I_FLAG;
+            }
             audio->config.in.codec_param = ffmpeg_codec_param( stream, id );
 
             audio->config.in.bitrate = codec->bit_rate? codec->bit_rate : 1;
diff --git a/libhb/sync.c b/libhb/sync.c
index 09e88538c..b754a54cc 100644
--- a/libhb/sync.c
+++ b/libhb/sync.c
@@ -1033,7 +1033,8 @@ static int syncAudioWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
          * Or in the case of DCA, skip some frames from the
          * other streams.
          */
-        if( w->audio->config.out.codec == HB_ACODEC_DCA_PASS )
+        if( w->audio->config.out.codec == HB_ACODEC_DCA_PASS ||
+            w->audio->config.out.codec == HB_ACODEC_DCA_HD_PASS )
         {
             hb_log( "sync: audio gap %d ms. Skipping frames. Audio 0x%x"
                     "  start %"PRId64", next %"PRId64,
@@ -1093,8 +1094,7 @@ static void InitAudio( hb_job_t * job, hb_sync_common_t * common, int i )
     w->audio = hb_list_item( title->list_audio, i );
     w->fifo_in = w->audio->priv.fifo_raw;
 
-    if( w->audio->config.out.codec == HB_ACODEC_AC3_PASS ||
-        w->audio->config.out.codec == HB_ACODEC_DCA_PASS )
+    if ( w->audio->config.out.codec & HB_ACODEC_PASS_FLAG )
     {
         w->fifo_out = w->audio->priv.fifo_out;
     }
diff --git a/libhb/work.c b/libhb/work.c
index f0a81fa75..90209dbd2 100644
--- a/libhb/work.c
+++ b/libhb/work.c
@@ -112,9 +112,16 @@ hb_work_object_t * hb_codec_decoder( int codec )
     {
         case HB_ACODEC_AC3:  return hb_get_work( WORK_DECA52 );
         case HB_ACODEC_DCA:  return hb_get_work( WORK_DECDCA );
-        case HB_ACODEC_MPGA: return hb_get_work( WORK_DECAVCODEC );
         case HB_ACODEC_LPCM: return hb_get_work( WORK_DECLPCM );
-        case HB_ACODEC_FFMPEG: return hb_get_work( WORK_DECAVCODECAI );
+        default:
+            if ( codec & HB_ACODEC_FF_MASK )
+            {
+                if ( codec & HB_ACODEC_FF_I_FLAG )
+                    return hb_get_work( WORK_DECAVCODECAI );
+                else
+                    return hb_get_work( WORK_DECAVCODEC );
+            }
+            break;
     }
     return NULL;
 }
@@ -351,7 +358,7 @@ void hb_display_job_info( hb_job_t * job )
                 hb_log( "     + bitrate: %d kbps, samplerate: %d Hz", audio->config.in.bitrate / 1000, audio->config.in.samplerate );
             }
 
-            if( (audio->config.out.codec != HB_ACODEC_AC3_PASS) && (audio->config.out.codec != HB_ACODEC_DCA_PASS) )
+            if( !(audio->config.out.codec & HB_ACODEC_PASS_FLAG) )
             {
                 for (j = 0; j < hb_audio_mixdowns_count; j++)
                 {
@@ -371,10 +378,12 @@ void hb_display_job_info( hb_job_t * job )
                 hb_log("   + dynamic range compression: %f", audio->config.out.dynamic_range_compression);
             }
             
-            if( (audio->config.out.codec == HB_ACODEC_AC3_PASS) || (audio->config.out.codec == HB_ACODEC_DCA_PASS) )
+            if( audio->config.out.codec & HB_ACODEC_PASS_FLAG )
             {
-                hb_log( "   + %s passthrough", (audio->config.out.codec == HB_ACODEC_AC3_PASS) ?
-                    "AC3" : "DCA" );
+                hb_log( "   + %s passthrough", 
+                    (audio->config.out.codec == HB_ACODEC_AC3_PASS) ? "AC3" :
+                    (audio->config.out.codec == HB_ACODEC_DCA_PASS) ? "DTS" :
+                                                                      "DTS-HD");
             }
             else
             {
@@ -416,7 +425,7 @@ static int check_ff_audio( hb_list_t *list_audio, hb_audio_t *ff_audio )
         if ( audio == ff_audio )
             break;
 
-        if ( audio->config.in.codec == HB_ACODEC_FFMPEG && 
+        if ( ( audio->config.in.codec & HB_ACODEC_FF_MASK ) &&
              audio->id == ff_audio->id )
         {
             hb_list_add( audio->priv.ff_audio_list, ff_audio );
@@ -547,8 +556,9 @@ static void do_job( hb_job_t * job )
     for( i = 0; i < hb_list_count( title->list_audio ); )
     {
         audio = hb_list_item( title->list_audio, i );
-        if( ( ( audio->config.out.codec == HB_ACODEC_AC3_PASS ) && ( audio->config.in.codec != HB_ACODEC_AC3 ) ) ||
-            ( ( audio->config.out.codec == HB_ACODEC_DCA_PASS ) && ( audio->config.in.codec != HB_ACODEC_DCA ) ) )
+        if( ( audio->config.out.codec & HB_ACODEC_PASS_FLAG ) && 
+            !( audio->config.in.codec & audio->config.out.codec &
+                                        HB_ACODEC_PASS_MASK ) )
         {
             hb_log( "Passthru requested and input codec is not the same as output codec for track %d",
                     audio->config.out.track );
@@ -556,8 +566,7 @@ static void do_job( hb_job_t * job )
             free( audio );
             continue;
         }
-        if( audio->config.out.codec != HB_ACODEC_AC3_PASS && 
-            audio->config.out.codec != HB_ACODEC_DCA_PASS &&
+        if( !(audio->config.out.codec & HB_ACODEC_PASS_FLAG) && 
             audio->config.out.samplerate > 48000 )
         {
             hb_log( "Sample rate %d not supported.  Down-sampling to 48kHz.",
@@ -712,7 +721,7 @@ static void do_job( hb_job_t * job )
         audio->priv.fifo_out  = hb_fifo_init( FIFO_LARGE, FIFO_LARGE_WAKE );
 
         audio->priv.ff_audio_list = hb_list_init();
-        if ( audio->config.in.codec == HB_ACODEC_FFMPEG )
+        if ( audio->config.in.codec & HB_ACODEC_FF_MASK )
         {
             if ( !check_ff_audio( title->list_audio, audio ) )
             {
@@ -939,8 +948,7 @@ static void do_job( hb_job_t * job )
             /*
             * Audio Encoder Thread
             */
-            if( audio->config.out.codec != HB_ACODEC_AC3_PASS &&
-                audio->config.out.codec != HB_ACODEC_DCA_PASS )
+            if ( !(audio->config.out.codec & HB_ACODEC_PASS_FLAG ) )
             {
                 /*
                 * Add the encoder thread if not doing AC-3 pass through