gst/qtdemux/: Cleanup and refactor to make the code more readable.

Original commit message from CVS:
* gst/qtdemux/Makefile.am:
* gst/qtdemux/qtdemux.c: (extract_initial_length_and_fourcc),
(gst_qtdemux_loop_state_header), (gst_qtdemux_combine_flows),
(gst_qtdemux_loop_state_movie), (gst_qtdemux_loop),
(gst_qtdemux_chain), (qtdemux_sink_activate_pull),
(qtdemux_inflate), (qtdemux_parse_moov), (qtdemux_parse_container),
(qtdemux_parse_node), (qtdemux_tree_get_child_by_type),
(qtdemux_tree_get_sibling_by_type), (gst_qtdemux_add_stream),
(qtdemux_parse_samples), (qtdemux_parse_segments),
(qtdemux_parse_trak), (qtdemux_tag_add_str), (qtdemux_tag_add_num),
(qtdemux_tag_add_date), (qtdemux_tag_add_gnre),
(qtdemux_parse_udta), (qtdemux_redirects_sort_func),
(qtdemux_process_redirects), (qtdemux_parse_redirects),
(qtdemux_parse_tree), (gst_qtdemux_handle_esds),
(qtdemux_video_caps), (qtdemux_audio_caps):
* gst/qtdemux/qtdemux.h:
* gst/qtdemux/qtdemux_dump.c: (qtdemux_dump_mvhd),
(qtdemux_dump_tkhd), (qtdemux_dump_elst), (qtdemux_dump_mdhd),
(qtdemux_dump_hdlr), (qtdemux_dump_vmhd), (qtdemux_dump_dref),
(qtdemux_dump_stsd), (qtdemux_dump_stts), (qtdemux_dump_stss),
(qtdemux_dump_stsc), (qtdemux_dump_stsz), (qtdemux_dump_stco),
(qtdemux_dump_co64), (qtdemux_dump_dcom), (qtdemux_dump_cmvd),
(qtdemux_dump_unknown), (qtdemux_node_dump_foreach),
(qtdemux_node_dump):
* gst/qtdemux/qtdemux_dump.h:
* gst/qtdemux/qtdemux_fourcc.h:
* gst/qtdemux/qtdemux_types.c: (qtdemux_type_get):
* gst/qtdemux/qtdemux_types.h:
* gst/qtdemux/qtpalette.h:
Cleanup and refactor to make the code more readable.
Move debugging/tables into separate files.
Add 2/4/16 color palletee support.
Fix raw 15 bit RGB handling.
Use more FOURCC constants.
Add some docs.

1 files changed, 375 insertions, 0 deletions

diff --git a/gst/qtdemux/qtdemux_dump.c b/gst/qtdemux/qtdemux_dump.c
new file mode 100644
index 00000000..561b20d0
--- /dev/null
+++ b/gst/qtdemux/qtdemux_dump.c
@@ -0,0 +1,375 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "qtdemux_types.h"
+#include "qtdemux_dump.h"
+
+#if 0
+#define qtdemux_dump_mem(a,b)  gst_util_dump_mem(a,b)
+#else
+#define qtdemux_dump_mem(a,b)   /* */
+#endif
+
+void
+qtdemux_dump_mvhd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  creation time: %u", depth, "", QT_UINT32 (buffer + 12));
+  GST_LOG ("%*s  modify time:   %u", depth, "", QT_UINT32 (buffer + 16));
+  GST_LOG ("%*s  time scale:    1/%u sec", depth, "", QT_UINT32 (buffer + 20));
+  GST_LOG ("%*s  duration:      %u", depth, "", QT_UINT32 (buffer + 24));
+  GST_LOG ("%*s  pref. rate:    %g", depth, "", QT_FP32 (buffer + 28));
+  GST_LOG ("%*s  pref. volume:  %g", depth, "", QT_FP16 (buffer + 32));
+  GST_LOG ("%*s  preview time:  %u", depth, "", QT_UINT32 (buffer + 80));
+  GST_LOG ("%*s  preview dur.:  %u", depth, "", QT_UINT32 (buffer + 84));
+  GST_LOG ("%*s  poster time:   %u", depth, "", QT_UINT32 (buffer + 88));
+  GST_LOG ("%*s  select time:   %u", depth, "", QT_UINT32 (buffer + 92));
+  GST_LOG ("%*s  select dur.:   %u", depth, "", QT_UINT32 (buffer + 96));
+  GST_LOG ("%*s  current time:  %u", depth, "", QT_UINT32 (buffer + 100));
+  GST_LOG ("%*s  next track ID: %d", depth, "", QT_UINT32 (buffer + 104));
+}
+
+void
+qtdemux_dump_tkhd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  creation time: %u", depth, "", QT_UINT32 (buffer + 12));
+  GST_LOG ("%*s  modify time:   %u", depth, "", QT_UINT32 (buffer + 16));
+  GST_LOG ("%*s  track ID:      %u", depth, "", QT_UINT32 (buffer + 20));
+  GST_LOG ("%*s  duration:      %u", depth, "", QT_UINT32 (buffer + 28));
+  GST_LOG ("%*s  layer:         %u", depth, "", QT_UINT16 (buffer + 36));
+  GST_LOG ("%*s  alt group:     %u", depth, "", QT_UINT16 (buffer + 38));
+  GST_LOG ("%*s  volume:        %g", depth, "", QT_FP16 (buffer + 44));
+  GST_LOG ("%*s  track width:   %g", depth, "", QT_FP32 (buffer + 84));
+  GST_LOG ("%*s  track height:  %g", depth, "", QT_FP32 (buffer + 88));
+
+}
+
+void
+qtdemux_dump_elst (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %u", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    track dur:     %u", depth, "",
+        QT_UINT32 (buffer + 16 + i * 12));
+    GST_LOG ("%*s    media time:    %u", depth, "",
+        QT_UINT32 (buffer + 20 + i * 12));
+    GST_LOG ("%*s    media rate:    %g", depth, "",
+        QT_FP32 (buffer + 24 + i * 12));
+  }
+}
+
+void
+qtdemux_dump_mdhd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  creation time: %u", depth, "", QT_UINT32 (buffer + 12));
+  GST_LOG ("%*s  modify time:   %u", depth, "", QT_UINT32 (buffer + 16));
+  GST_LOG ("%*s  time scale:    1/%u sec", depth, "", QT_UINT32 (buffer + 20));
+  GST_LOG ("%*s  duration:      %u", depth, "", QT_UINT32 (buffer + 24));
+  GST_LOG ("%*s  language:      %u", depth, "", QT_UINT16 (buffer + 28));
+  GST_LOG ("%*s  quality:       %u", depth, "", QT_UINT16 (buffer + 30));
+
+}
+
+void
+qtdemux_dump_hdlr (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  type:          %" GST_FOURCC_FORMAT, depth, "",
+      GST_FOURCC_ARGS (QT_FOURCC (buffer + 12)));
+  GST_LOG ("%*s  subtype:       %" GST_FOURCC_FORMAT, depth, "",
+      GST_FOURCC_ARGS (QT_FOURCC (buffer + 16)));
+  GST_LOG ("%*s  manufacturer:  %" GST_FOURCC_FORMAT, depth, "",
+      GST_FOURCC_ARGS (QT_FOURCC (buffer + 20)));
+  GST_LOG ("%*s  flags:         %08x", depth, "", QT_UINT32 (buffer + 24));
+  GST_LOG ("%*s  flags mask:    %08x", depth, "", QT_UINT32 (buffer + 28));
+  GST_LOG ("%*s  name:          %*s", depth, "",
+      QT_UINT8 (buffer + 32), (char *) (buffer + 33));
+
+}
+
+void
+qtdemux_dump_vmhd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  mode/color:    %08x", depth, "", QT_UINT32 (buffer + 16));
+}
+
+void
+qtdemux_dump_dref (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int n;
+  int i;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %u", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    size:          %u", depth, "",
+        QT_UINT32 (buffer + offset));
+    GST_LOG ("%*s    type:          %" GST_FOURCC_FORMAT, depth, "",
+        GST_FOURCC_ARGS (QT_FOURCC (buffer + offset + 4)));
+    offset += QT_UINT32 (buffer + offset);
+  }
+}
+
+void
+qtdemux_dump_stsd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    size:          %u", depth, "",
+        QT_UINT32 (buffer + offset));
+    GST_LOG ("%*s    type:          %" GST_FOURCC_FORMAT, depth, "",
+        GST_FOURCC_ARGS (QT_FOURCC (buffer + offset + 4)));
+    GST_LOG ("%*s    data reference:%d", depth, "",
+        QT_UINT16 (buffer + offset + 14));
+
+    GST_LOG ("%*s    version/rev.:  %08x", depth, "",
+        QT_UINT32 (buffer + offset + 16));
+    GST_LOG ("%*s    vendor:        %" GST_FOURCC_FORMAT, depth, "",
+        GST_FOURCC_ARGS (QT_FOURCC (buffer + offset + 20)));
+    GST_LOG ("%*s    temporal qual: %u", depth, "",
+        QT_UINT32 (buffer + offset + 24));
+    GST_LOG ("%*s    spatial qual:  %u", depth, "",
+        QT_UINT32 (buffer + offset + 28));
+    GST_LOG ("%*s    width:         %u", depth, "",
+        QT_UINT16 (buffer + offset + 32));
+    GST_LOG ("%*s    height:        %u", depth, "",
+        QT_UINT16 (buffer + offset + 34));
+    GST_LOG ("%*s    horiz. resol:  %g", depth, "",
+        QT_FP32 (buffer + offset + 36));
+    GST_LOG ("%*s    vert. resol.:  %g", depth, "",
+        QT_FP32 (buffer + offset + 40));
+    GST_LOG ("%*s    data size:     %u", depth, "",
+        QT_UINT32 (buffer + offset + 44));
+    GST_LOG ("%*s    frame count:   %u", depth, "",
+        QT_UINT16 (buffer + offset + 48));
+    GST_LOG ("%*s    compressor:    %d %d %d", depth, "",
+        QT_UINT8 (buffer + offset + 49),
+        QT_UINT8 (buffer + offset + 50), QT_UINT8 (buffer + offset + 51));
+    //(char *) (buffer + offset + 51));
+    GST_LOG ("%*s    depth:         %u", depth, "",
+        QT_UINT16 (buffer + offset + 82));
+    GST_LOG ("%*s    color table ID:%u", depth, "",
+        QT_UINT16 (buffer + offset + 84));
+
+    offset += QT_UINT32 (buffer + offset);
+  }
+}
+
+void
+qtdemux_dump_stts (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    count:         %u", depth, "",
+        QT_UINT32 (buffer + offset));
+    GST_LOG ("%*s    duration:      %u", depth, "",
+        QT_UINT32 (buffer + offset + 4));
+
+    offset += 8;
+  }
+}
+
+void
+qtdemux_dump_stss (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    sample:        %u", depth, "",
+        QT_UINT32 (buffer + offset));
+
+    offset += 4;
+  }
+}
+
+void
+qtdemux_dump_stsc (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    first chunk:   %u", depth, "",
+        QT_UINT32 (buffer + offset));
+    GST_LOG ("%*s    sample per ch: %u", depth, "",
+        QT_UINT32 (buffer + offset + 4));
+    GST_LOG ("%*s    sample desc id:%08x", depth, "",
+        QT_UINT32 (buffer + offset + 8));
+
+    offset += 12;
+  }
+}
+
+void
+qtdemux_dump_stsz (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  //int i;
+  int n;
+  int offset;
+  int sample_size;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  sample_size = QT_UINT32 (buffer + 12);
+  GST_LOG ("%*s  sample size:   %d", depth, "", sample_size);
+  if (sample_size == 0) {
+    GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 16));
+    n = QT_UINT32 (buffer + 16);
+    offset = 20;
+#if 0
+    for (i = 0; i < n; i++) {
+      GST_LOG ("%*s    sample size:   %u", depth, "",
+          QT_UINT32 (buffer + offset));
+
+      offset += 4;
+    }
+#endif
+  }
+}
+
+void
+qtdemux_dump_stco (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  n = QT_UINT32 (buffer + 12);
+  GST_LOG ("%*s  n entries:     %d", depth, "", n);
+  offset = 16;
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    chunk offset:  %d", depth, "",
+        QT_UINT32 (buffer + offset));
+
+    offset += 4;
+  }
+}
+
+void
+qtdemux_dump_co64 (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  //int i;
+  int n;
+  int offset;
+
+  GST_LOG ("%*s  version/flags: %08x", depth, "", QT_UINT32 (buffer + 8));
+  GST_LOG ("%*s  n entries:     %d", depth, "", QT_UINT32 (buffer + 12));
+  n = QT_UINT32 (buffer + 12);
+  offset = 16;
+#if 0
+  for (i = 0; i < n; i++) {
+    GST_LOG ("%*s    chunk offset:  %" G_GUINT64_FORMAT, depth, "",
+        QTDEMUX_GUINT64_GET (buffer + offset));
+
+    offset += 8;
+  }
+#endif
+}
+
+void
+qtdemux_dump_dcom (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  compression type: %" GST_FOURCC_FORMAT, depth, "",
+      GST_FOURCC_ARGS (QT_FOURCC (buffer + 8)));
+}
+
+void
+qtdemux_dump_cmvd (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  GST_LOG ("%*s  length: %d", depth, "", QT_UINT32 (buffer + 8));
+}
+
+void
+qtdemux_dump_unknown (GstQTDemux * qtdemux, guint8 * buffer, int depth)
+{
+  int len;
+
+  GST_LOG ("%*s  length: %d", depth, "", QT_UINT32 (buffer + 0));
+
+  len = QT_UINT32 (buffer + 0);
+  qtdemux_dump_mem (buffer, len);
+
+}
+
+static gboolean
+qtdemux_node_dump_foreach (GNode * node, gpointer qtdemux)
+{
+  guint8 *buffer = (guint8 *) node->data;
+  guint32 node_length;
+  guint32 fourcc;
+  const QtNodeType *type;
+  int depth;
+
+  node_length = GST_READ_UINT32_BE (buffer);
+  fourcc = GST_READ_UINT32_LE (buffer + 4);
+
+  type = qtdemux_type_get (fourcc);
+
+  depth = (g_node_depth (node) - 1) * 2;
+  GST_LOG ("%*s'%" GST_FOURCC_FORMAT "', [%d], %s",
+      depth, "", GST_FOURCC_ARGS (fourcc), node_length, type->name);
+
+  if (type->dump)
+    type->dump (GST_QTDEMUX_CAST (qtdemux), buffer, depth);
+
+  return FALSE;
+}
+
+void
+qtdemux_node_dump (GstQTDemux * qtdemux, GNode * node)
+{
+  g_node_traverse (qtdemux->moov_node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
+      qtdemux_node_dump_foreach, qtdemux);
+}