From 3a1737c07699370279eae64a71dded925c8be1d4 Mon Sep 17 00:00:00 2001
From: Iain Holmes <iain@prettypeople.org>
Date: Sat, 8 May 2004 00:33:39 +0000
Subject: Rewrote wavparse to use riff-read instead of doing bytestream stuff
 by hand.

Original commit message from CVS:
Rewrote wavparse to use riff-read instead of doing bytestream stuff by hand.
Made some useful functions in riff-read non-static.
---
 gst-libs/gst/riff/riff-ids.h  |  3 ++-
 gst-libs/gst/riff/riff-read.c | 47 ++++++++++++++++++++++++++++++++++---------
 gst-libs/gst/riff/riff-read.h |  8 +++++++-
 3 files changed, 46 insertions(+), 12 deletions(-)

(limited to 'gst-libs/gst/riff')

diff --git a/gst-libs/gst/riff/riff-ids.h b/gst-libs/gst/riff/riff-ids.h
index da465c2d..65fbd30f 100644
--- a/gst-libs/gst/riff/riff-ids.h
+++ b/gst-libs/gst/riff/riff-ids.h
@@ -44,7 +44,7 @@
 /* WAV stuff */
 #define GST_RIFF_TAG_fmt  GST_MAKE_FOURCC ('f','m','t',' ')
 #define GST_RIFF_TAG_data GST_MAKE_FOURCC ('d','a','t','a')
-
+#define GST_RIFF_TAG_cue  GST_MAKE_FOURCC ('c','u','e',' ')
 /* LIST types */
 #define GST_RIFF_LIST_movi GST_MAKE_FOURCC ('m','o','v','i')
 #define GST_RIFF_LIST_hdrl GST_MAKE_FOURCC ('h','d','r','l')
@@ -52,6 +52,7 @@
 #define GST_RIFF_LIST_strl GST_MAKE_FOURCC ('s','t','r','l')
 #define GST_RIFF_LIST_INFO GST_MAKE_FOURCC ('I','N','F','O')
 #define GST_RIFF_LIST_AVIX GST_MAKE_FOURCC ('A','V','I','X')
+#define GST_RIFF_LIST_adtl GST_MAKE_FOURCC ('a','d','t','l')
 
 /* fcc types */
 #define GST_RIFF_FCC_vids GST_MAKE_FOURCC ('v','i','d','s')
diff --git a/gst-libs/gst/riff/riff-read.c b/gst-libs/gst/riff/riff-read.c
index fa153e68..388ea753 100644
--- a/gst-libs/gst/riff/riff-read.c
+++ b/gst-libs/gst/riff/riff-read.c
@@ -150,7 +150,7 @@ gst_riff_read_element_level_up (GstRiffRead * riff)
  * TRUE on success or FALSE on failure.
  */
 
-static gboolean
+gboolean
 gst_riff_peek_head (GstRiffRead * riff,
     guint32 * tag, guint32 * length, guint * level_up)
 {
@@ -190,16 +190,40 @@ gst_riff_peek_head (GstRiffRead * riff,
  * Return: the data, as a GstBuffer.
  */
 
-static GstBuffer *
-gst_riff_read_element_data (GstRiffRead * riff, guint length)
+GstBuffer *
+gst_riff_read_element_data (GstRiffRead * riff, guint length, guint * got_bytes)
 {
   GstBuffer *buf = NULL;
+  guint32 got;
 
-  if (gst_bytestream_peek (riff->bs, &buf, length) != length) {
-    GST_ELEMENT_ERROR (riff, RESOURCE, READ, (NULL), (NULL));
-    if (buf)
-      gst_buffer_unref (buf);
-    return NULL;
+  while ((got = gst_bytestream_peek (riff->bs, &buf, length)) != length) {
+    /*GST_ELEMENT_ERROR (riff, RESOURCE, READ, (NULL), (NULL)); */
+    GstEvent *event = NULL;
+    guint32 remaining;
+
+    gst_bytestream_get_status (riff->bs, &remaining, &event);
+    if (GST_IS_EVENT (event)) {
+      gst_pad_event_default (riff->sinkpad, event);
+      if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
+
+        if (buf)
+          gst_buffer_unref (buf);
+
+        if (got_bytes)
+          *got_bytes = got;
+
+        return NULL;
+      }
+    } else {
+      GST_ELEMENT_ERROR (riff, RESOURCE, READ, (NULL), (NULL));
+      if (buf)
+        gst_buffer_unref (buf);
+
+      if (got_bytes)
+        *got_bytes = got;
+
+      return NULL;
+    }
   }
 
   /* we need 16-bit alignment */
@@ -208,6 +232,9 @@ gst_riff_read_element_data (GstRiffRead * riff, guint length)
 
   gst_bytestream_flush (riff->bs, length);
 
+  if (got_bytes)
+    *got_bytes = got;
+
   return buf;
 }
 
@@ -363,7 +390,7 @@ gst_riff_read_data (GstRiffRead * riff, guint32 * tag, GstBuffer ** buf)
     return FALSE;
   gst_bytestream_flush_fast (riff->bs, 8);
 
-  return ((*buf = gst_riff_read_element_data (riff, length)) != NULL);
+  return ((*buf = gst_riff_read_element_data (riff, length, NULL)) != NULL);
 }
 
 /*
@@ -559,7 +586,7 @@ gst_riff_read_strf_auds (GstRiffRead * riff, gst_riff_strf_auds ** header)
   if (!gst_riff_read_data (riff, &tag, &buf))
     return FALSE;
 
-  if (tag != GST_RIFF_TAG_strf) {
+  if (tag != GST_RIFF_TAG_strf && tag != GST_RIFF_TAG_fmt) {
     g_warning ("Not a strf chunk");
     gst_buffer_unref (buf);
     return FALSE;
diff --git a/gst-libs/gst/riff/riff-read.h b/gst-libs/gst/riff/riff-read.h
index d0c09b8c..f3a6feb9 100644
--- a/gst-libs/gst/riff/riff-read.h
+++ b/gst-libs/gst/riff/riff-read.h
@@ -64,6 +64,10 @@ GType    gst_riff_read_get_type  (void);
 guint32  gst_riff_peek_tag       (GstRiffRead *riff,
 				  guint       *level_up);
 guint32  gst_riff_peek_list      (GstRiffRead *riff);
+gboolean gst_riff_peek_head      (GstRiffRead *riff,
+				  guint32     *tag,
+				  guint32     *length,
+				  guint       *level_up);
 
 GstEvent *gst_riff_read_seek      (GstRiffRead *riff,
 				  guint64      offset);
@@ -78,7 +82,9 @@ gboolean gst_riff_read_list      (GstRiffRead *riff,
 				  guint32     *tag);
 gboolean gst_riff_read_header    (GstRiffRead *read,
 				  guint32     *doctype);
-
+GstBuffer *gst_riff_read_element_data (GstRiffRead *riff,
+				       guint        length,
+				       guint       *got_bytes);
 /*
  * Utility functions (including byteswapping).
  */
-- 
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