schroedinger: Port to 0.11 again

ext/schroedinger/gstschrodec.c

@@ -79,8 +79,6 @@ enum
 
 static void gst_schro_dec_finalize (GObject * object);
 
-static gboolean gst_schro_dec_sink_query (GstPad * pad, GstQuery * query);
-
 static gboolean gst_schro_dec_start (GstVideoDecoder * dec);
 static gboolean gst_schro_dec_stop (GstVideoDecoder * dec);
 static gboolean gst_schro_dec_reset (GstVideoDecoder * dec, gboolean hard);
@@ -100,43 +98,37 @@ GST_STATIC_PAD_TEMPLATE ("sink",
     );
 
 static GstStaticPadTemplate gst_schro_dec_src_template =
-    GST_STATIC_PAD_TEMPLATE ("src",
+GST_STATIC_PAD_TEMPLATE ("src",
     GST_PAD_SRC,
     GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV (GST_SCHRO_YUV_LIST) ";"
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_SCHRO_YUV_LIST))
-        GST_VIDEO_CAPS_ARGB)
     );
 
-GST_BOILERPLATE (GstSchroDec, gst_schro_dec, GstVideoDecoder,
+#define parent_class gst_schro_dec_parent_class
-    GST_TYPE_VIDEO_DECODER);
+G_DEFINE_TYPE (GstSchroDec, gst_schro_dec, GST_TYPE_VIDEO_DECODER);
-
-static void
-gst_schro_dec_base_init (gpointer g_class)
-{
-
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_add_static_pad_template (element_class,
-      &gst_schro_dec_src_template);
-  gst_element_class_add_static_pad_template (element_class,
-      &gst_schro_dec_sink_template);
-
-  gst_element_class_set_details_simple (element_class, "Dirac Decoder",
-      "Codec/Decoder/Video",
-      "Decode Dirac streams", "David Schleef <ds@schleef.org>");
-}
 
 static void
 gst_schro_dec_class_init (GstSchroDecClass * klass)
 {
   GObjectClass *gobject_class;
+  GstElementClass *element_class;
   GstVideoDecoderClass *base_video_decoder_class;
 
   gobject_class = G_OBJECT_CLASS (klass);
+  element_class = GST_ELEMENT_CLASS (klass);
   base_video_decoder_class = GST_VIDEO_DECODER_CLASS (klass);
 
   gobject_class->finalize = gst_schro_dec_finalize;
 
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_schro_dec_src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_schro_dec_sink_template));
+
+  gst_element_class_set_details_simple (element_class, "Dirac Decoder",
+      "Codec/Decoder/Video",
+      "Decode Dirac streams", "David Schleef <ds@schleef.org>");
+
   base_video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_schro_dec_start);
   base_video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_schro_dec_stop);
   base_video_decoder_class->reset = GST_DEBUG_FUNCPTR (gst_schro_dec_reset);
@@ -147,110 +139,12 @@ gst_schro_dec_class_init (GstSchroDecClass * klass)
 }
 
 static void
-gst_schro_dec_init (GstSchroDec * schro_dec, GstSchroDecClass * klass)
+gst_schro_dec_init (GstSchroDec * schro_dec)
 {
   GST_DEBUG ("gst_schro_dec_init");
 
-  gst_pad_set_query_function (GST_VIDEO_DECODER_SINK_PAD (schro_dec),
-      gst_schro_dec_sink_query);
-
   schro_dec->decoder = schro_decoder_new ();
-  gst_video_decoder_set_packetized (schro_dec, FALSE);
+  gst_video_decoder_set_packetized (GST_VIDEO_DECODER (schro_dec), FALSE);
-}
-
-#define OGG_DIRAC_GRANULE_SHIFT 22
-#define OGG_DIRAC_GRANULE_LOW_MASK ((1ULL<<OGG_DIRAC_GRANULE_SHIFT)-1)
-
-static gint64
-granulepos_to_frame (gint64 granulepos)
-{
-  guint64 pt;
-
-  if (granulepos == -1)
-    return -1;
-
-  pt = ((granulepos >> 22) + (granulepos & OGG_DIRAC_GRANULE_LOW_MASK)) >> 9;
-  /* dist_h = (granulepos >> 22) & 0xff;
-   * dist_l = granulepos & 0xff;
-   * dist = (dist_h << 8) | dist_l;
-   * delay = (granulepos >> 9) & 0x1fff;
-   * dt = pt - delay; */
-
-  return pt >> 1;
-}
-
-static gboolean
-gst_schro_dec_sink_convert (GstPad * pad,
-    GstFormat src_format, gint64 src_value,
-    GstFormat * dest_format, gint64 * dest_value)
-{
-  gboolean res = FALSE;
-  GstSchroDec *dec;
-  GstVideoCodecState *state;
-
-  if (src_format == *dest_format) {
-    *dest_value = src_value;
-    return TRUE;
-  }
-
-  if (src_format != GST_FORMAT_DEFAULT || *dest_format != GST_FORMAT_TIME)
-    return FALSE;
-
-  dec = GST_SCHRO_DEC (gst_pad_get_parent (pad));
-
-  /* FIXME: check if we are in a decoding state */
-
-  state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (dec));
-
-  if (G_UNLIKELY (state == NULL))
-    goto beach;
-
-  if (state->info.fps_d == 0)
-    goto beach;
-
-  *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
-      state->info.fps_d * GST_SECOND, state->info.fps_n);
-  res = TRUE;
-
-beach:
-  gst_object_unref (dec);
-
-  return res;
-}
-
-static gboolean
-gst_schro_dec_sink_query (GstPad * pad, GstQuery * query)
-{
-  GstSchroDec *dec;
-  gboolean res = FALSE;
-
-  dec = GST_SCHRO_DEC (gst_pad_get_parent (pad));
-
-  switch (GST_QUERY_TYPE (query)) {
-    case GST_QUERY_CONVERT:
-    {
-      GstFormat src_fmt, dest_fmt;
-      gint64 src_val, dest_val;
-
-      gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
-      res = gst_schro_dec_sink_convert (pad, src_fmt, src_val, &dest_fmt,
-          &dest_val);
-      if (!res)
-        goto error;
-      gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
-      break;
-    }
-    default:
-      res = gst_pad_query_default (pad, query);
-      break;
-  }
-done:
-  gst_object_unref (dec);
-
-  return res;
-error:
-  GST_DEBUG_OBJECT (dec, "query failed");
-  goto done;
 }
 
 static gboolean
@@ -520,12 +414,12 @@ gst_schrodec_send_tags (GstSchroDec * schro_dec)
 {
   GstTagList *list;
 
-  list = gst_tag_list_new ();
+  list = gst_tag_list_new_empty ();
   gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
       GST_TAG_VIDEO_CODEC, "Dirac", NULL);
 
-  gst_element_found_tags_for_pad (GST_ELEMENT_CAST (schro_dec),
+  gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (schro_dec),
-      GST_VIDEO_DECODER_SRC_PAD (schro_dec), list);
+      gst_event_new_tag (list));
 }
 
 static GstFlowReturn
@@ -581,12 +475,9 @@ gst_schro_dec_process (GstSchroDec * schro_dec, gboolean eos)
         frame = tag->value;
 
         if (schro_frame) {
-          if (schro_frame->priv) {
+          if ((frame->output_buffer = gst_schro_frame_get_buffer (schro_frame))) {
             GstFlowReturn flow_ret;
 
-            frame->output_buffer =
-                gst_buffer_ref (GST_BUFFER (schro_frame->priv));
-
             flow_ret =
                 gst_video_decoder_finish_frame (GST_VIDEO_DECODER
                 (schro_dec), frame);

ext/schroedinger/gstschroenc.c

@@ -105,16 +105,11 @@ static GstFlowReturn gst_schro_enc_pre_push (GstVideoEncoder *
     base_video_encoder, GstVideoCodecFrame * frame);
 static void gst_schro_enc_finalize (GObject * object);
 
-#if SCHRO_CHECK_VERSION(1,0,12)
-#define ARGB_CAPS ";" GST_VIDEO_CAPS_ARGB
-#else
-#define ARGB_CAPS
-#endif
 static GstStaticPadTemplate gst_schro_enc_sink_template =
 GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,
     GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV (GST_SCHRO_YUV_LIST) ARGB_CAPS)
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_SCHRO_YUV_LIST))
     );
 
 static GstStaticPadTemplate gst_schro_enc_src_template =
@@ -124,24 +119,8 @@ static GstStaticPadTemplate gst_schro_enc_src_template =
     GST_STATIC_CAPS ("video/x-dirac;video/x-qt-part;video/x-mp4-part")
     );
 
-GST_BOILERPLATE (GstSchroEnc, gst_schro_enc, GstVideoEncoder,
+#define parent_class gst_schro_enc_parent_class
-    GST_TYPE_VIDEO_ENCODER);
+G_DEFINE_TYPE (GstSchroEnc, gst_schro_enc, GST_TYPE_VIDEO_ENCODER);
-
-static void
-gst_schro_enc_base_init (gpointer g_class)
-{
-
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_add_static_pad_template (element_class,
-      &gst_schro_enc_src_template);
-  gst_element_class_add_static_pad_template (element_class,
-      &gst_schro_enc_sink_template);
-
-  gst_element_class_set_details_simple (element_class, "Dirac Encoder",
-      "Codec/Encoder/Video",
-      "Encode raw video into Dirac stream", "David Schleef <ds@schleef.org>");
-}
 
 static GType
 register_enum_list (const SchroEncoderSetting * setting)
@@ -172,10 +151,12 @@ static void
 gst_schro_enc_class_init (GstSchroEncClass * klass)
 {
   GObjectClass *gobject_class;
+  GstElementClass *element_class;
   GstVideoEncoderClass *basevideocoder_class;
   int i;
 
   gobject_class = G_OBJECT_CLASS (klass);
+  element_class = GST_ELEMENT_CLASS (klass);
   basevideocoder_class = GST_VIDEO_ENCODER_CLASS (klass);
 
   gobject_class->set_property = gst_schro_enc_set_property;
@@ -216,6 +197,15 @@ gst_schro_enc_class_init (GstSchroEncClass * klass)
     }
   }
 
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_schro_enc_src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_schro_enc_sink_template));
+
+  gst_element_class_set_details_simple (element_class, "Dirac Encoder",
+      "Codec/Encoder/Video",
+      "Encode raw video into Dirac stream", "David Schleef <ds@schleef.org>");
+
   basevideocoder_class->set_format =
       GST_DEBUG_FUNCPTR (gst_schro_enc_set_format);
   basevideocoder_class->start = GST_DEBUG_FUNCPTR (gst_schro_enc_start);
@@ -227,7 +217,7 @@ gst_schro_enc_class_init (GstSchroEncClass * klass)
 }
 
 static void
-gst_schro_enc_init (GstSchroEnc * schro_enc, GstSchroEncClass * klass)
+gst_schro_enc_init (GstSchroEnc * schro_enc)
 {
   GST_DEBUG ("gst_schro_enc_init");
 
@@ -364,32 +354,43 @@ gst_schro_enc_set_format (GstVideoEncoder * base_video_encoder,
 
   output_state =
       gst_video_encoder_set_output_state (base_video_encoder,
-      gst_caps_new_simple ("video/x-dirac", NULL), state);
+      gst_caps_new_empty_simple ("video/x-dirac"), state);
 
-  GST_BUFFER_FLAG_SET (seq_header_buffer, GST_BUFFER_FLAG_IN_CAPS);
+  GST_BUFFER_FLAG_SET (seq_header_buffer, GST_BUFFER_FLAG_HEADER);
   {
     GValue array = { 0 };
     GValue value = { 0 };
+    guint8 *outdata;
     GstBuffer *buf;
-    int size;
+    GstMemory *seq_header_memory, *extra_header;
+    gsize size;
 
     g_value_init (&array, GST_TYPE_ARRAY);
     g_value_init (&value, GST_TYPE_BUFFER);
-    size = GST_BUFFER_SIZE (seq_header_buffer);
+
-    buf = gst_buffer_new_and_alloc (size + SCHRO_PARSE_HEADER_SIZE);
+    buf = gst_buffer_new ();
+    /* Add the sequence header */
+    seq_header_memory = gst_buffer_get_memory (seq_header_buffer, 0);
+    gst_buffer_append_memory (buf, seq_header_memory);
+
+    size = gst_buffer_get_size (buf) + SCHRO_PARSE_HEADER_SIZE;
+    outdata = g_malloc0 (SCHRO_PARSE_HEADER_SIZE);
+
+    GST_WRITE_UINT32_BE (outdata, 0x42424344);
+    GST_WRITE_UINT8 (outdata + 4, SCHRO_PARSE_CODE_END_OF_SEQUENCE);
+    GST_WRITE_UINT32_BE (outdata + 5, 0);
+    GST_WRITE_UINT32_BE (outdata + 9, size);
+
+    extra_header = gst_memory_new_wrapped (0, outdata, SCHRO_PARSE_HEADER_SIZE,
+        0, SCHRO_PARSE_HEADER_SIZE, outdata, g_free);
+    gst_buffer_append_memory (buf, extra_header);
 
     /* ogg(mux) expects the header buffers to have 0 timestamps -
        set OFFSET and OFFSET_END accordingly */
     GST_BUFFER_OFFSET (buf) = 0;
     GST_BUFFER_OFFSET_END (buf) = 0;
-    GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
+    GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
 
-    memcpy (GST_BUFFER_DATA (buf), GST_BUFFER_DATA (seq_header_buffer), size);
-    GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 0, 0x42424344);
-    GST_WRITE_UINT8 (GST_BUFFER_DATA (buf) + size + 4,
-        SCHRO_PARSE_CODE_END_OF_SEQUENCE);
-    GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 5, 0);
-    GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 9, size);
     gst_value_set_buffer (&value, buf);
     gst_buffer_unref (buf);
     gst_value_array_append_value (&array, &value);
@@ -610,10 +611,12 @@ gst_schro_enc_process (GstSchroEnc * schro_enc)
           GstMessage *message;
           GstStructure *structure;
           GstBuffer *buf;
+          gpointer data;
 
-          buf = gst_buffer_new_and_alloc (sizeof (double) * 21);
+          data = g_malloc (sizeof (double) * 21);
           schro_encoder_get_frame_stats (schro_enc->encoder,
-              (double *) GST_BUFFER_DATA (buf), 21);
+              (double *) data, 21);
+          buf = gst_buffer_new_wrapped (data, sizeof (double) * 21);
           structure = gst_structure_new ("GstSchroEnc",
               "frame-stats", GST_TYPE_BUFFER, buf, NULL);
           gst_buffer_unref (buf);

ext/schroedinger/gstschroutils.c

@@ -36,13 +36,31 @@
 GST_DEBUG_CATEGORY_EXTERN (schro_debug);
 #define GST_CAT_DEFAULT schro_debug
 
-
+typedef struct
+{
+  GstBuffer *buf;
+  GstMapInfo info;
+} FrameData;
 
 
 static void
 gst_schro_frame_free (SchroFrame * frame, void *priv)
 {
-  gst_buffer_unref (GST_BUFFER (priv));
+  FrameData *data = priv;
+
+  gst_buffer_unmap (data->buf, &data->info);
+  gst_buffer_unref (data->buf);
+
+  g_slice_free (FrameData, data);
+}
+
+GstBuffer *
+gst_schro_frame_get_buffer (SchroFrame * frame)
+{
+  if (frame->priv)
+    return gst_buffer_ref (((FrameData *) frame->priv)->buf);
+
+  return NULL;
 }
 
 SchroFrame *
@@ -50,66 +68,63 @@ gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
     int height)
 {
   SchroFrame *frame;
+  GstMapInfo info;
+  FrameData *data;
+
+  if (!gst_buffer_map (buf, &info, GST_MAP_READ))
+    return NULL;
 
   switch (format) {
     case GST_VIDEO_FORMAT_I420:
-      frame =
+      frame = schro_frame_new_from_data_I420 (info.data, width, height);
-          schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_YV12:
-      frame =
+      frame = schro_frame_new_from_data_YV12 (info.data, width, height);
-          schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_YUY2:
-      frame =
+      frame = schro_frame_new_from_data_YUY2 (info.data, width, height);
-          schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_UYVY:
-      frame =
+      frame = schro_frame_new_from_data_UYVY (info.data, width, height);
-          schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_AYUV:
-      frame =
+      frame = schro_frame_new_from_data_AYUV (info.data, width, height);
-          schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
       break;
 #if SCHRO_CHECK_VERSION(1,0,12)
     case GST_VIDEO_FORMAT_ARGB:
-      frame =
+      frame = schro_frame_new_from_data_ARGB (info.data, width, height);
-          schro_frame_new_from_data_ARGB (GST_BUFFER_DATA (buf), width, height);
       break;
 #endif
 #if SCHRO_CHECK_VERSION(1,0,11)
     case GST_VIDEO_FORMAT_Y42B:
-      frame =
+      frame = schro_frame_new_from_data_Y42B (info.data, width, height);
-          schro_frame_new_from_data_Y42B (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_Y444:
-      frame =
+      frame = schro_frame_new_from_data_Y444 (info.data, width, height);
-          schro_frame_new_from_data_Y444 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_v210:
-      frame =
+      frame = schro_frame_new_from_data_v210 (info.data, width, height);
-          schro_frame_new_from_data_v210 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_v216:
-      frame =
+      frame = schro_frame_new_from_data_v216 (info.data, width, height);
-          schro_frame_new_from_data_v216 (GST_BUFFER_DATA (buf), width, height);
       break;
     case GST_VIDEO_FORMAT_AYUV64:
-      frame =
+      frame = schro_frame_new_from_data_AY64 (info.data, width, height);
-          schro_frame_new_from_data_AY64 (GST_BUFFER_DATA (buf), width, height);
       break;
 #endif
     default:
       g_assert_not_reached ();
       return NULL;
   }
-  schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
+
+  data = g_slice_new0 (FrameData);
+  data->buf = buf;
+  data->info = info;
+  schro_frame_set_free_callback (frame, gst_schro_frame_free, data);
 
   return frame;
 }
 
-#ifdef GST_BUFFER_FREE_FUNC
 static void
 schro_buf_free_func (gpointer priv)
 {
@@ -117,43 +132,62 @@ schro_buf_free_func (gpointer priv)
 
   schro_buffer_unref (buffer);
 }
-#endif
 
 /* takes the reference */
 GstBuffer *
 gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
 {
-  GstBuffer *gstbuf;
+  GstMemory *mem;
+  GstBuffer *buf;
 
-#ifdef GST_BUFFER_FREE_FUNC
+  mem =
-  gstbuf = gst_buffer_new ();
+      gst_memory_new_wrapped (0, buffer->data, buffer->length, 0,
-  GST_BUFFER_DATA (gstbuf) = buffer->data;
+      buffer->length, buffer, schro_buf_free_func);
-  GST_BUFFER_SIZE (gstbuf) = buffer->length;
+  buf = gst_buffer_new ();
-  GST_BUFFER_MALLOCDATA (gstbuf) = (void *) buffer;
+  gst_buffer_append_memory (buf, mem);
-  GST_BUFFER_FREE_FUNC (gstbuf) = schro_buf_free_func;
-#else
-  gstbuf = gst_buffer_new_and_alloc (buffer->length);
-  memcpy (GST_BUFFER_DATA (gstbuf), buffer->data, buffer->length);
-#endif
 
-  return gstbuf;
+  return buf;
 }
 
+typedef struct
+{
+  GstMemory *mem;
+  GstMapInfo info;
+} BufferData;
+
 static void
 gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
 {
-  gst_buffer_unref (GST_BUFFER (priv));
+  BufferData *data = priv;
+
+  gst_memory_unmap (data->mem, &data->info);
+  gst_memory_unref (data->mem);
+  g_slice_free (BufferData, priv);
 }
 
 SchroBuffer *
 gst_schro_wrap_gst_buffer (GstBuffer * buffer)
 {
   SchroBuffer *schrobuf;
+  GstMemory *mem;
+  GstMapInfo info;
+  BufferData *data;
 
-  schrobuf = schro_buffer_new_with_data (GST_BUFFER_DATA (buffer),
+  mem = gst_buffer_get_all_memory (buffer);
-      GST_BUFFER_SIZE (buffer));
+  if (!gst_memory_map (mem, &info, GST_MAP_READ)) {
+    GST_ERROR ("Couldn't get readable memory from gstbuffer");
+    return NULL;
+  }
+
+  /* FIXME : We can't control if data won't be read/write outside
+   * of schro ... */
+  data = g_slice_new0 (BufferData);
+  data->info = info;
+  data->mem = mem;
+
+  schrobuf = schro_buffer_new_with_data (info.data, info.size);
   schrobuf->free = gst_schro_buffer_free;
-  schrobuf->priv = buffer;
+  schrobuf->priv = data;
 
   return schrobuf;
 }

ext/schroedinger/gstschroutils.h

@@ -24,15 +24,21 @@
 #include <gst/video/video.h>
 #include <schroedinger/schro.h>
 
+#if SCHRO_CHECK_VERSION(1,0,12)
+#define GST_SCHRO_YUV_LIST "{ I420, YV12, YUY2, UYVY, AYUV, Y42B, Y444, v216, v210, AY64, ARGB }"
+#else
 #if SCHRO_CHECK_VERSION(1,0,11)
 #define GST_SCHRO_YUV_LIST "{ I420, YV12, YUY2, UYVY, AYUV, Y42B, Y444, v216, v210, AY64 }"
 #else
 #define GST_SCHRO_YUV_LIST "{ I420, YV12, YUY2, UYVY, AYUV }"
 #endif
+#endif
 
 SchroFrame *
 gst_schro_buffer_wrap (GstBuffer *buf, GstVideoFormat format, int width,
     int height);
+GstBuffer * gst_schro_frame_get_buffer (SchroFrame * frame);
+
 GstBuffer * gst_schro_wrap_schro_buffer (SchroBuffer *buffer);
 SchroBuffer * gst_schro_wrap_gst_buffer (GstBuffer *buffer);