Decode the codec private data and following ContentEncoding if necessary.

Original commit message from CVS:
* configure.ac:
* gst/matroska/Makefile.am:
* gst/matroska/lzo.c: (get_byte), (get_len), (copy),
(copy_backptr), (lzo1x_decode), (main):
* gst/matroska/lzo.h:
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_read_track_encoding),
(gst_matroska_decompress_data), (gst_matroska_decode_data),
(gst_matroska_decode_buffer),
(gst_matroska_decode_content_encodings),
(gst_matroska_demux_read_track_encodings),
(gst_matroska_demux_add_stream),
(gst_matroska_demux_parse_blockgroup_or_simpleblock):
* gst/matroska/matroska-ids.h:
Decode the codec private data and following ContentEncoding if
necessary.
Support bzip2, lzo and header stripped compression. For lzo use the
ffmpeg lzo implementation as liblzo is GPL licensed.
Fix zlib decompression.

1 files changed, 13 insertions, 0 deletions

diff --git a/gst/matroska/matroska-ids.h b/gst/matroska/matroska-ids.h
index c6c1852a..8a73d37a 100644
--- a/gst/matroska/matroska-ids.h
+++ b/gst/matroska/matroska-ids.h
@@ -554,6 +554,19 @@ typedef struct _Wavpack4Header {
   guint32 crc;           /* crc for actual decoded data                    */
 } Wavpack4Header;
 
+typedef enum {
+  GST_MATROSKA_TRACK_ENCODING_SCOPE_FRAME = (1<<0),
+  GST_MATROSKA_TRACK_ENCODING_SCOPE_CODEC_DATA = (1<<1),
+  GST_MATROSKA_TRACK_ENCODING_SCOPE_NEXT_CONTENT_ENCODING = (1<<2)
+} GstMatroskaTrackEncodingScope;
+
+typedef enum {
+  GST_MATROSKA_TRACK_COMPRESSION_ALGORITHM_ZLIB = 0,
+  GST_MATROSKA_TRACK_COMPRESSION_ALGORITHM_BZLIB = 1,
+  GST_MATROSKA_TRACK_COMPRESSION_ALGORITHM_LZO1X = 2,
+  GST_MATROSKA_TRACK_COMPRESSION_ALGORITHM_HEADERSTRIP = 3
+} GstMatroskaTrackCompressionAlgorithm;
+
 typedef struct _GstMatroskaTrackEncoding {
   guint   order;
   guint   scope     : 3;