dtsdec ported to 0.10

Original commit message from CVS:
dtsdec ported to 0.10

1 files changed, 144 insertions, 130 deletions

diff --git a/ext/dts/gstdtsdec.c b/ext/dts/gstdtsdec.c
index aaf73c0d..4a1442b0 100644
--- a/ext/dts/gstdtsdec.c
+++ b/ext/dts/gstdtsdec.c
@@ -32,6 +32,10 @@
 
 #include "gstdtsdec.h"
 
+#include <liboil/liboil.h>
+#include <liboil/liboilcpu.h>
+#include <liboil/liboilfunction.h>
+
 GST_DEBUG_CATEGORY_STATIC (dtsdec_debug);
 #define GST_CAT_DEFAULT (dtsdec_debug)
 
@@ -56,19 +60,19 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
 
 #if defined(LIBDTS_FIXED)
 #define DTS_CAPS "audio/x-raw-int, " \
-    "endianness = (int) BYTE_ORDER, " \
+    "endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", " \
     "signed = (boolean) true, " \
     "width = (int) 16, " \
     "depth = (int) 16"
 #define SAMPLE_WIDTH 16
 #elif defined(LIBDTS_DOUBLE)
 #define DTS_CAPS "audio/x-raw-float, " \
-    "endianness = (int) BYTE_ORDER, " \
+    "endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", " \
     "width = (int) 64"
 #define SAMPLE_WIDTH 64
 #else
 #define DTS_CAPS "audio/x-raw-float, " \
-    "endianness = (int) BYTE_ORDER, " \
+    "endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", " \
     "width = (int) 32"
 #define SAMPLE_WIDTH 32
 #endif
@@ -80,11 +84,10 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
         "rate = (int) [ 4000, 96000 ], " "channels = (int) [ 1, 6 ]")
     );
 
-static void gst_dtsdec_base_init (GstDtsDecClass * klass);
-static void gst_dtsdec_class_init (GstDtsDecClass * klass);
-static void gst_dtsdec_init (GstDtsDec * dtsdec);
+GST_BOILERPLATE (GstDtsDec, gst_dtsdec, GstElement, GST_TYPE_ELEMENT);
 
-static void gst_dtsdec_chain (GstPad * pad, GstData * data);
+static gboolean gst_dtsdec_sink_event (GstPad * pad, GstEvent * event);
+static GstFlowReturn gst_dtsdec_chain (GstPad * pad, GstBuffer * buf);
 static GstStateChangeReturn gst_dtsdec_change_state (GstElement * element,
     GstStateChange transition);
 
@@ -93,39 +96,11 @@ static void gst_dtsdec_set_property (GObject * object, guint prop_id,
 static void gst_dtsdec_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
 
-static GstElementClass *parent_class = NULL;
-
-/* static guint gst_dtsdec_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_dtsdec_get_type (void)
-{
-  static GType dtsdec_type = 0;
-
-  if (!dtsdec_type) {
-    static const GTypeInfo dtsdec_info = {
-      sizeof (GstDtsDecClass),
-      (GBaseInitFunc) gst_dtsdec_base_init,
-      NULL, (GClassInitFunc) gst_dtsdec_class_init,
-      NULL,
-      NULL,
-      sizeof (GstDtsDec),
-      0,
-      (GInstanceInitFunc) gst_dtsdec_init,
-    };
-
-    dtsdec_type =
-        g_type_register_static (GST_TYPE_ELEMENT, "GstDtsDec", &dtsdec_info, 0);
-
-    GST_DEBUG_CATEGORY_INIT (dtsdec_debug, "dtsdec", 0, "DTS audio decoder");
-  }
-  return dtsdec_type;
-}
 
 static void
-gst_dtsdec_base_init (GstDtsDecClass * klass)
+gst_dtsdec_base_init (gpointer g_class)
 {
-  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
   static GstElementDetails gst_dtsdec_details = {
     "DTS audio decoder",
     "Codec/Decoder/Audio",
@@ -138,6 +113,8 @@ gst_dtsdec_base_init (GstDtsDecClass * klass)
   gst_element_class_add_pad_template (element_class,
       gst_static_pad_template_get (&src_factory));
   gst_element_class_set_details (element_class, &gst_dtsdec_details);
+
+  GST_DEBUG_CATEGORY_INIT (dtsdec_debug, "dtsdec", 0, "DTS audio decoder");
 }
 
 static void
@@ -145,40 +122,52 @@ gst_dtsdec_class_init (GstDtsDecClass * klass)
 {
   GObjectClass *gobject_class;
   GstElementClass *gstelement_class;
+  guint cpuflags;
 
   gobject_class = (GObjectClass *) klass;
   gstelement_class = (GstElementClass *) klass;
 
-  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+  gobject_class->set_property = gst_dtsdec_set_property;
+  gobject_class->get_property = gst_dtsdec_get_property;
+
+  gstelement_class->change_state = gst_dtsdec_change_state;
+
   g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DRC,
       g_param_spec_boolean ("drc", "Dynamic Range Compression",
           "Use Dynamic Range Compression", FALSE, G_PARAM_READWRITE));
 
-  gobject_class->set_property = gst_dtsdec_set_property;
-  gobject_class->get_property = gst_dtsdec_get_property;
+  oil_init ();
 
-  gstelement_class->change_state = gst_dtsdec_change_state;
+  klass->dts_cpuflags = 0;
+  cpuflags = oil_cpu_get_flags ();
+  if (cpuflags & OIL_IMPL_FLAG_MMX)
+    klass->dts_cpuflags |= MM_ACCEL_X86_MMX;
+  if (cpuflags & OIL_IMPL_FLAG_3DNOW)
+    klass->dts_cpuflags |= MM_ACCEL_X86_3DNOW;
+  if (cpuflags & OIL_IMPL_FLAG_MMXEXT)
+    klass->dts_cpuflags |= MM_ACCEL_X86_MMXEXT;
+
+  GST_LOG ("CPU flags: dts=%08x, liboil=%08x", klass->dts_cpuflags, cpuflags);
 }
 
 static void
-gst_dtsdec_init (GstDtsDec * dtsdec)
+gst_dtsdec_init (GstDtsDec * dtsdec, GstDtsDecClass * g_class)
 {
-  GstElement *element = GST_ELEMENT (dtsdec);
-
   /* create the sink and src pads */
   dtsdec->sinkpad =
-      gst_pad_new_from_template (gst_element_get_pad_template (GST_ELEMENT
-          (dtsdec), "sink"), "sink");
+      gst_pad_new_from_template (gst_static_pad_template_get
+      (&sink_factory), "sink");
   gst_pad_set_chain_function (dtsdec->sinkpad, gst_dtsdec_chain);
-  gst_element_add_pad (element, dtsdec->sinkpad);
+  gst_pad_set_event_function (dtsdec->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_dtsdec_sink_event));
+  gst_element_add_pad (GST_ELEMENT (dtsdec), dtsdec->sinkpad);
 
   dtsdec->srcpad =
-      gst_pad_new_from_template (gst_element_get_pad_template (element,
-          "src"), "src");
-  gst_pad_use_explicit_caps (dtsdec->srcpad);
-  gst_element_add_pad (element, dtsdec->srcpad);
+      gst_pad_new_from_template (gst_static_pad_template_get
+      (&src_factory), "src");
+  gst_pad_use_fixed_caps (dtsdec->srcpad);
+  gst_element_add_pad (GST_ELEMENT (dtsdec), dtsdec->srcpad);
 
-  GST_OBJECT_FLAG_SET (element, GST_ELEMENT_EVENT_AWARE);
   dtsdec->dynamic_range_compression = FALSE;
 }
 
@@ -268,7 +257,6 @@ gst_dtsdec_channels (uint32_t flags, GstAudioChannelPosition ** pos)
       }
       break;
     default:
-      /* error */
       g_warning ("dtsdec: invalid flags 0x%x", flags);
       return 0;
   }
@@ -288,9 +276,10 @@ gst_dtsdec_renegotiate (GstDtsDec * dts)
   GstAudioChannelPosition *pos;
   GstCaps *caps = gst_caps_from_string (DTS_CAPS);
   gint channels = gst_dtsdec_channels (dts->using_channels, &pos);
+  gboolean result = FALSE;
 
   if (!channels)
-    return FALSE;
+    goto done;
 
   GST_INFO ("dtsdec renegotiate, channels=%d, rate=%d",
       channels, dts->sample_rate);
@@ -301,44 +290,69 @@ gst_dtsdec_renegotiate (GstDtsDec * dts)
   gst_audio_set_channel_positions (gst_caps_get_structure (caps, 0), pos);
   g_free (pos);
 
-  return gst_pad_set_explicit_caps (dts->srcpad, caps);
+  if (!gst_pad_set_caps (dts->srcpad, caps))
+    goto done;
+
+  result = TRUE;
+
+done:
+  if (caps) {
+    gst_caps_unref (caps);
+  }
+  return result;
 }
 
-static void
-gst_dtsdec_handle_event (GstDtsDec * dts, GstEvent * event)
+static gboolean
+gst_dtsdec_sink_event (GstPad * pad, GstEvent * event)
 {
-  if (!event) {
-    GST_ELEMENT_ERROR (dts, RESOURCE, READ, (NULL), (NULL));
-    return;
-  }
+  GstDtsDec *dtsdec = GST_DTSDEC (gst_pad_get_parent (pad));
+  gboolean ret = FALSE;
 
   GST_LOG ("Handling event of type %d timestamp %llu", GST_EVENT_TYPE (event),
       GST_EVENT_TIMESTAMP (event));
 
   switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_DISCONTINUOUS:
-    {
+    case GST_EVENT_NEWSEGMENT:{
+      GstFormat format;
       gint64 val;
 
-      if (!gst_event_discont_get_value (event, GST_FORMAT_TIME, &val) ||
-          !GST_CLOCK_TIME_IS_VALID (val)) {
-        GST_WARNING ("No time discont value in event %p", event);
+      gst_event_parse_new_segment (event, NULL, NULL, &format, &val, NULL,
+          NULL);
+      if (format != GST_FORMAT_TIME || !GST_CLOCK_TIME_IS_VALID (val)) {
+        GST_WARNING ("No time in newsegment event %p", event);
       } else {
-        dts->current_ts = val;
+        dtsdec->current_ts = val;
+      }
+
+      if (dtsdec->cache) {
+        gst_buffer_unref (dtsdec->cache);
+        dtsdec->cache = NULL;
       }
+      ret = gst_pad_event_default (pad, event);
+      break;
     }
-      /* Fallthrough */
-    case GST_EVENT_FLUSH:
-      if (dts->cache) {
-        gst_buffer_unref (dts->cache);
-        dts->cache = NULL;
+    case GST_EVENT_TAG:
+    case GST_EVENT_EOS:{
+      ret = gst_pad_event_default (pad, event);
+      break;
+    }
+    case GST_EVENT_FLUSH_START:
+      ret = gst_pad_event_default (pad, event);
+      break;
+    case GST_EVENT_FLUSH_STOP:
+      if (dtsdec->cache) {
+        gst_buffer_unref (dtsdec->cache);
+        dtsdec->cache = NULL;
       }
+      ret = gst_pad_event_default (pad, event);
       break;
     default:
+      ret = gst_pad_event_default (pad, event);
       break;
   }
 
-  gst_pad_event_default (dts->sinkpad, event);
+  gst_object_unref (dtsdec);
+  return ret;
 }
 
 static void
@@ -351,20 +365,19 @@ gst_dtsdec_update_streaminfo (GstDtsDec * dts)
   gst_tag_list_add (taglist, GST_TAG_MERGE_APPEND,
       GST_TAG_BITRATE, (guint) dts->bit_rate, NULL);
 
-  gst_element_found_tags_for_pad (GST_ELEMENT (dts),
-      dts->srcpad, dts->current_ts, taglist);
+  gst_element_found_tags_for_pad (GST_ELEMENT (dts), dts->srcpad, taglist);
 }
 
-static gboolean
+static GstFlowReturn
 gst_dtsdec_handle_frame (GstDtsDec * dts, guint8 * data,
     guint length, gint flags, gint sample_rate, gint bit_rate)
 {
   gboolean need_renegotiation = FALSE;
-  GstClockTime timestamp = 0;
   gint channels, num_blocks;
   GstBuffer *out;
   gint i, s, c, num_c;
   sample_t *samples;
+  GstFlowReturn result = GST_FLOW_OK;
 
   /* go over stream properties, update caps/streaminfo if needed */
   if (dts->sample_rate != sample_rate) {
@@ -385,7 +398,7 @@ gst_dtsdec_handle_frame (GstDtsDec * dts, guint8 * data,
 
   if (dts_frame (dts->state, data, &flags, &dts->level, dts->bias)) {
     GST_WARNING ("dts_frame error");
-    return FALSE;
+    return GST_FLOW_OK;
   }
 
   channels = flags & (DTS_CHANNEL_MASK | DTS_LFE);
@@ -398,8 +411,10 @@ gst_dtsdec_handle_frame (GstDtsDec * dts, guint8 * data,
   if (need_renegotiation == TRUE) {
     GST_DEBUG ("dtsdec: sample_rate:%d stream_chans:0x%x using_chans:0x%x",
         dts->sample_rate, dts->stream_channels, dts->using_channels);
-    if (!gst_dtsdec_renegotiate (dts))
-      return FALSE;
+    if (!gst_dtsdec_renegotiate (dts)) {
+      GST_ELEMENT_ERROR (dts, CORE, NEGOTIATION, (NULL), (NULL));
+      return GST_FLOW_ERROR;
+    }
   }
 
   if (dts->dynamic_range_compression == FALSE) {
@@ -416,14 +431,18 @@ gst_dtsdec_handle_frame (GstDtsDec * dts, guint8 * data,
 
     samples = dts_samples (dts->state);
     num_c = gst_dtsdec_channels (dts->using_channels, NULL);
-    out = gst_buffer_new_and_alloc ((SAMPLE_WIDTH / 8) * 256 * num_c);
-    if (!out) {
+
+    result = gst_pad_alloc_buffer_and_set_caps (dts->srcpad, 0,
+        (SAMPLE_WIDTH / 8) * 256 * num_c, GST_PAD_CAPS (dts->srcpad), &out);
+
+    if (result != GST_FLOW_OK) {
       GST_ELEMENT_ERROR (dts, RESOURCE, FAILED, (NULL), ("Out of memory"));
-      return FALSE;
+      goto done;
     }
 
-    GST_BUFFER_TIMESTAMP (out) = timestamp;
+    GST_BUFFER_TIMESTAMP (out) = dts->current_ts;
     GST_BUFFER_DURATION (out) = GST_SECOND * 256 / dts->sample_rate;
+    dts->current_ts += GST_BUFFER_DURATION (out);
 
     /* libdts returns buffers in 256-sample-blocks per channel,
      * we want interleaved. And we need to copy anyway... */
@@ -436,43 +455,32 @@ gst_dtsdec_handle_frame (GstDtsDec * dts, guint8 * data,
     }
 
     /* push on */
-    gst_pad_push (dts->srcpad, GST_DATA (out));
-    timestamp += GST_SECOND * 256 / dts->sample_rate;
+    result = gst_pad_push (dts->srcpad, out);
+
+    if (result != GST_FLOW_OK) {
+      gst_buffer_unref (out);
+      goto done;
+    }
+
+
   }
 
-  dts->current_ts = timestamp;
-  return TRUE;
+done:
+
+  return result;
 }
 
-static void
-gst_dtsdec_chain (GstPad * pad, GstData * _data)
+static GstFlowReturn
+gst_dtsdec_chain (GstPad * pad, GstBuffer * buf)
 {
   GstDtsDec *dts;
   guint8 *data;
   gint64 size;
-  GstBuffer *buf;
   gint length, flags, sample_rate, bit_rate, frame_length;
-
-  g_return_if_fail (pad != NULL);
-  g_return_if_fail (_data != NULL);
+  GstFlowReturn result = GST_FLOW_OK;
 
   dts = GST_DTSDEC (gst_pad_get_parent (pad));
 
-  if (GST_IS_EVENT (_data)) {
-    gst_dtsdec_handle_event (dts, GST_EVENT (_data));
-    return;
-  }
-
-  /* merge with cache, if any. Also make sure timestamps match */
-  buf = GST_BUFFER (_data);
-  if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
-    dts->current_ts = GST_BUFFER_TIMESTAMP (buf);
-    GST_DEBUG_OBJECT (dts, "Received buffer with ts %" GST_TIME_FORMAT
-        " duration %" GST_TIME_FORMAT,
-        GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
-        GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
-  }
-
   if (dts->cache) {
     buf = gst_buffer_join (dts->cache, buf);
     dts->cache = NULL;
@@ -490,8 +498,9 @@ gst_dtsdec_chain (GstPad * pad, GstData * _data)
       size--;
     } else if (length <= size) {
       GST_DEBUG ("Sync: frame size %d", length);
-      if (!gst_dtsdec_handle_frame (dts, data,
-              length, flags, sample_rate, bit_rate)) {
+      result = gst_dtsdec_handle_frame (dts, data, length,
+          flags, sample_rate, bit_rate);
+      if (result != GST_FLOW_OK) {
         size = 0;
         break;
       }
@@ -513,27 +522,23 @@ gst_dtsdec_chain (GstPad * pad, GstData * _data)
   }
 
   gst_buffer_unref (buf);
+  gst_object_unref (dts);
+
+  return result;
 }
 
 static GstStateChangeReturn
 gst_dtsdec_change_state (GstElement * element, GstStateChange transition)
 {
+  GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
   GstDtsDec *dts = GST_DTSDEC (element);
 
   switch (transition) {
     case GST_STATE_CHANGE_NULL_TO_READY:{
-      GstCPUFlags cpuflags;
-      uint32_t mm_accel = 0;
-
-      cpuflags = gst_cpu_get_flags ();
-      if (cpuflags & GST_CPU_FLAG_MMX)
-        mm_accel |= MM_ACCEL_X86_MMX;
-      if (cpuflags & GST_CPU_FLAG_3DNOW)
-        mm_accel |= MM_ACCEL_X86_3DNOW;
-      if (cpuflags & GST_CPU_FLAG_MMXEXT)
-        mm_accel |= MM_ACCEL_X86_MMXEXT;
-
-      dts->state = dts_init (mm_accel);
+      GstDtsDecClass *klass;
+
+      klass = GST_DTSDEC_CLASS (G_OBJECT_GET_CLASS (dts));
+      dts->state = dts_init (klass->dts_cpuflags);
       break;
     }
     case GST_STATE_CHANGE_READY_TO_PAUSED:
@@ -548,8 +553,23 @@ gst_dtsdec_change_state (GstElement * element, GstStateChange transition)
       dts->bias = 0;
       dts->current_ts = 0;
       break;
+    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+      break;
+    default:
+      break;
+  }
+
+  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+      break;
     case GST_STATE_CHANGE_PAUSED_TO_READY:
       dts->samples = NULL;
+      if (dts->cache) {
+        gst_buffer_unref (dts->cache);
+        dts->cache = NULL;
+      }
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
       dts_free (dts->state);
@@ -559,10 +579,7 @@ gst_dtsdec_change_state (GstElement * element, GstStateChange transition)
       break;
   }
 
-  if (GST_ELEMENT_CLASS (parent_class)->change_state)
-    return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
-  return GST_STATE_CHANGE_SUCCESS;
+  return ret;
 }
 
 static void
@@ -600,9 +617,6 @@ gst_dtsdec_get_property (GObject * object, guint prop_id, GValue * value,
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  if (!gst_library_load ("gstbytestream") || !gst_library_load ("gstaudio"))
-    return FALSE;
-
   if (!gst_element_register (plugin, "dtsdec", GST_RANK_PRIMARY,
           GST_TYPE_DTSDEC))
     return FALSE;