sys/dshowdecwrapper/: Add AAC, AC3 to handled codecs.

Original commit message from CVS:
Based on patch by: Alessandro Decina <alessandro@nnva.org>
* sys/dshowdecwrapper/gstdshowaudiodec.c:
* sys/dshowdecwrapper/gstdshowdecwrapper.h:
* sys/dshowdecwrapper/gstdshowvideodec.c:
Add AAC, AC3 to handled codecs.
Fix handling of flush events.
Improve debug/error output.
Fix a number of typos in comments and variable names.

3 files changed, 63 insertions, 20 deletions

diff --git a/sys/dshowdecwrapper/gstdshowaudiodec.c b/sys/dshowdecwrapper/gstdshowaudiodec.c
index b7be7ac6f..cd2179a98 100644
--- a/sys/dshowdecwrapper/gstdshowaudiodec.c
+++ b/sys/dshowdecwrapper/gstdshowaudiodec.c
@@ -79,9 +79,9 @@ static gboolean gst_dshowaudiodec_flush (GstDshowAudioDec * adec);
 static gboolean gst_dshowaudiodec_get_filter_settings (GstDshowAudioDec * adec);
 static gboolean gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec);
 
-/* gobal variable */
-const long bitrates[2][3][16] = {
-  /* version 0 */
+/* global variable */
+static const long bitrates[2][3][16] = {
+  /* mpeg 1 */
   {
         /* one list per layer 1-3 */
         {0, 32000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 144000,
@@ -91,7 +91,7 @@ const long bitrates[2][3][16] = {
         {0, 8000, 16000, 24000, 32000, 40000, 48000, 56000, 64000, 80000, 96000,
             112000, 128000, 144000, 160000, 0},
       },
-  /* version 1 */
+  /* mpeg 2 */
   {
         /* one list per layer 1-3 */
         {0, 32000, 64000, 96000, 128000, 160000, 192000, 224000, 256000,
@@ -112,6 +112,9 @@ const long bitrates[2][3][16] = {
 #define GUID_MEDIASUBTYPE_WMS   {0x0000000a, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_MP3   {0x00000055, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }}
 #define GUID_MEDIASUBTYPE_MPEG1AudioPayload {0x00000050, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9b, 0x71 }}
+#define GUID_MEDIASUBTYPE_AAC {0x000000FF, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9b, 0x71 }}
+#define GUID_MEDIASUBTYPE_AC3 {0x00002000, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9b, 0x71 }}
+
 
 static const CodecEntry audio_dec_codecs[] = {
   {"dshowadec_wma1",
@@ -176,7 +179,7 @@ static const CodecEntry audio_dec_codecs[] = {
       },
   {"dshowadec_mpeg1",
         "MPEG-1 Layer 1,2,3 Audio",
-        "MPEG Layer-3 Decoder",
+        "MPEG Layer-3 Decoder, MP3 Decoder DMO",
         0x00000055,
         GUID_MEDIATYPE_AUDIO, GUID_MEDIASUBTYPE_MP3,
         "audio/mpeg, "
@@ -189,13 +192,37 @@ static const CodecEntry audio_dec_codecs[] = {
         "width = (int) { 1, 8, 16 }, depth = (int) { 1, 8, 16 }, "
         "signed = (boolean) true, endianness = (int) "
         G_STRINGIFY (G_LITTLE_ENDIAN)
-      }
+      },
+  {"dshowadec_aac",
+        "AAC decoder",
+        "ffdshow",
+        0x000000FF,
+        GUID_MEDIATYPE_AUDIO, GUID_MEDIASUBTYPE_AAC,
+        "audio/mpeg, mpegversion = { 2, 4 }",
+        GUID_MEDIATYPE_AUDIO, GUID_MEDIASUBTYPE_PCM,
+        "audio/x-raw-int, "
+        "width = (int) { 1, 8, 16 }, depth = (int) { 1, 8, 16 }, "
+        "signed = (boolean) true, endianness = (int) "
+        G_STRINGIFY (G_LITTLE_ENDIAN)
+      },
+  {"dshowadec_ac3",
+        "AC3 decoder",
+        NULL,
+        0x00002000,
+        GUID_MEDIATYPE_AUDIO, GUID_MEDIASUBTYPE_AC3,
+        "audio/x-ac3",
+        GUID_MEDIATYPE_AUDIO, GUID_MEDIASUBTYPE_PCM,
+        "audio/x-raw-int, "
+        "width = (int) { 1, 8, 16 }, depth = (int) { 1, 8, 16 }, "
+        "signed = (boolean) true, endianness = (int) "
+        G_STRINGIFY (G_LITTLE_ENDIAN)
+      },
 };
 
 /* Private map used when dshowadec_mpeg is loaded with layer=1 or 2.
- * The problem is that gstreamer don't care about caps like layer when connecting pads.
+ * The problem is that gstreamer doesn't care about caps like layer when connecting pads.
  * So I've only one element handling mpeg audio in the public codecs map and 
- * when it's loaded for mp3, I'm releasing mpeg audio decoder and replace it by 
+ * when it's loaded for mp3, I release the mpeg audio decoder and replace it by 
  * the one described in this private map.
 */
 static const CodecEntry audio_mpeg_1_2[] = { "dshowadec_mpeg_1_2",
@@ -307,7 +334,6 @@ gst_dshowaudiodec_init (GstDshowAudioDec * adec,
   adec->rate = 0;
   adec->layer = 0;
   adec->codec_data = NULL;
-
   adec->last_ret = GST_FLOW_OK;
 
   CoInitializeEx (NULL, COINIT_MULTITHREADED);
@@ -582,6 +608,7 @@ gst_dshowaudiodec_sink_event (GstPad * pad, GstEvent * event)
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_FLUSH_STOP:{
       gst_dshowaudiodec_flush (adec);
+      adec->last_ret = GST_FLOW_OK;
       ret = gst_pad_event_default (pad, event);
       break;
     }
@@ -650,6 +677,7 @@ gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec)
   IPin *output_pin = NULL, *input_pin = NULL;
   IGstDshowInterface *gstdshowinterface = NULL;
   CodecEntry *codec_entry = klass->entry;
+  char err_buf[1024];
 
   if (adec->layer != 0) {
     if (adec->layer == 1 || adec->layer == 2) {
@@ -663,10 +691,10 @@ gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec)
           codec_entry->input_subtype,
           codec_entry->output_majortype,
           codec_entry->output_subtype,
-          codec_entry->prefered_filter_substring, &adec->decfilter);
+          codec_entry->preferred_filter_substring, &adec->decfilter);
       IFilterGraph_AddFilter (adec->filtergraph, adec->decfilter, L"decoder");
     } else {
-      /* mp3 don't need to negociate with MPEG1WAVEFORMAT */
+      /* mp3 doesn't need to negotiate with MPEG1WAVEFORMAT */
       adec->layer = 0;
     }
   }
@@ -812,8 +840,13 @@ gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec)
       IFilterGraph_ConnectDirect (adec->filtergraph, output_pin, input_pin,
       NULL);
   if (hres != S_OK) {
+    if (!FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM,
+            0, hres, 0, err_buf, 1024, NULL))
+      err_buf[0] = 0;
+
     GST_ELEMENT_ERROR (adec, CORE, NEGOTIATION,
-        ("Can't connect fakesrc with decoder (error=%d)", hres), (NULL));
+        ("Can't connect fakesrc with decoder (error=%d %s)", hres, err_buf),
+        (NULL));
     goto end;
   }
 
@@ -858,7 +891,7 @@ gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec)
 
   IGstDshowInterface_gst_set_media_type (gstdshowinterface, &output_mediatype);
   IGstDshowInterface_gst_set_buffer_callback (gstdshowinterface,
-      gst_dshowaudiodec_push_buffer, (byte *) adec);
+      (byte *) gst_dshowaudiodec_push_buffer, (byte *) adec);
   IGstDshowInterface_Release (gstdshowinterface);
   gstdshowinterface = NULL;
 
@@ -895,15 +928,25 @@ gst_dshowaudiodec_setup_graph (GstDshowAudioDec * adec)
       IFilterGraph_ConnectDirect (adec->filtergraph, output_pin, input_pin,
       NULL);
   if (hres != S_OK) {
+    if (!FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM,
+            0, hres, 0, err_buf, 1024, NULL))
+      err_buf[0] = 0;
+
     GST_ELEMENT_ERROR (adec, CORE, NEGOTIATION,
-        ("Can't connect decoder with fakesink (error=%d)", hres), (NULL));
+        ("Can't connect decoder with fakesink (error=%d %s)", hres, err_buf),
+        (NULL));
     goto end;
   }
 
   hres = IMediaFilter_Run (adec->mediafilter, -1);
   if (hres != S_OK) {
+    if (!FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM,
+            0, hres, 0, err_buf, 1024, NULL))
+      err_buf[0] = 0;
+
     GST_ELEMENT_ERROR (adec, CORE, NEGOTIATION,
-        ("Can't run the directshow graph (error=%d)", hres), (NULL));
+        ("Can't run the directshow graph (error=%d %s)", hres, err_buf),
+        (NULL));
     goto end;
   }
 
@@ -1017,7 +1060,7 @@ gst_dshowaudiodec_create_graph_and_filters (GstDshowAudioDec * adec)
           klass->entry->input_subtype,
           klass->entry->output_majortype,
           klass->entry->output_subtype,
-          klass->entry->prefered_filter_substring, &adec->decfilter)) {
+          klass->entry->preferred_filter_substring, &adec->decfilter)) {
     GST_ELEMENT_ERROR (adec, STREAM, FAILED,
         ("Can't create an instance of the decoder filter"), (NULL));
     goto error;
@@ -1153,7 +1196,7 @@ dshow_adec_register (GstPlugin * plugin)
             audio_dec_codecs[i].input_subtype,
             audio_dec_codecs[i].output_majortype,
             audio_dec_codecs[i].output_subtype,
-            audio_dec_codecs[i].prefered_filter_substring, NULL)) {
+            audio_dec_codecs[i].preferred_filter_substring, NULL)) {
 
       GST_CAT_DEBUG (dshowaudiodec_debug, "Registering %s",
           audio_dec_codecs[i].element_name);
diff --git a/sys/dshowdecwrapper/gstdshowdecwrapper.h b/sys/dshowdecwrapper/gstdshowdecwrapper.h
index f912e18e7..3e7042c86 100644
--- a/sys/dshowdecwrapper/gstdshowdecwrapper.h
+++ b/sys/dshowdecwrapper/gstdshowdecwrapper.h
@@ -58,7 +58,7 @@
 typedef struct _CodecEntry {
   gchar *element_name;
   gchar *element_longname;
-  gchar *prefered_filter_substring;
+  gchar *preferred_filter_substring;
   gint32 format;
   GUID input_majortype;
   GUID input_subtype;
diff --git a/sys/dshowdecwrapper/gstdshowvideodec.c b/sys/dshowdecwrapper/gstdshowvideodec.c
index c31bb9454..812b32c44 100644
--- a/sys/dshowdecwrapper/gstdshowvideodec.c
+++ b/sys/dshowdecwrapper/gstdshowvideodec.c
@@ -978,7 +978,7 @@ gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * vdec)
           klass->entry->input_subtype,
           klass->entry->output_majortype,
           klass->entry->output_subtype,
-          klass->entry->prefered_filter_substring, &vdec->decfilter)) {
+          klass->entry->preferred_filter_substring, &vdec->decfilter)) {
     GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
             "of the decoder filter"), (NULL));
     goto error;
@@ -1111,7 +1111,7 @@ dshow_vdec_register (GstPlugin * plugin)
             video_dec_codecs[i].input_subtype,
             video_dec_codecs[i].output_majortype,
             video_dec_codecs[i].output_subtype,
-            video_dec_codecs[i].prefered_filter_substring, NULL)) {
+            video_dec_codecs[i].preferred_filter_substring, NULL)) {
 
       GST_CAT_DEBUG (dshowvideodec_debug, "Registering %s",
           video_dec_codecs[i].element_name);