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gst/matroska/matroska-demux.c: Fix several issues with encoded/compressed/encrypted/signed tracks; also, remove super...

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Original commit message from CVS:
Patch by: Michal Benes  <michal dot benes at itonis tv>
* gst/matroska/matroska-demux.c: (gst_matroska_demux_encoding_cmp),
(gst_matroska_demux_read_track_encodings),
(gst_matroska_decode_buffer):
Fix several issues with encoded/compressed/encrypted/signed tracks;
also, remove superfluous newline characters from some debug
statements. (#366155)
This commit is contained in:
Michal Benes 2006-10-30 16:18:18 +00:00 committed by Tim-Philipp Müller
parent 39d8d88afe
commit 737df8258b
2 changed files with 57 additions and 18 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2006-10-30 Tim-Philipp Müller <tim at centricular dot net>
Patch by: Michal Benes <michal dot benes at itonis tv>
* gst/matroska/matroska-demux.c: (gst_matroska_demux_encoding_cmp),
(gst_matroska_demux_read_track_encodings),
(gst_matroska_decode_buffer):
Fix several issues with encoded/compressed/encrypted/signed tracks;
also, remove superfluous newline characters from some debug
statements. (#366155)
2006-10-30 Wim Taymans <wim@fluendo.com>
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_getcaps):

64
gst/matroska/matroska-demux.c
View file

@ -313,6 +313,18 @@ gst_matroska_demux_stream_from_num (GstMatroskaDemux * demux, guint track_num)
return -1;
}
static gint
gst_matroska_demux_encoding_cmp (gconstpointer a, gconstpointer b)
{
const GstMatroskaTrackEncoding *enc_a;
const GstMatroskaTrackEncoding *enc_b;
enc_a = (const GstMatroskaTrackEncoding *) a;
enc_b = (const GstMatroskaTrackEncoding *) b;
return (gint) enc_b->order - (gint) enc_a->order;
}
static gboolean
gst_matroska_demux_read_track_encodings (GstEbmlRead * ebml,
GstMatroskaDemux * demux, GstMatroskaTrackContext * context)
@ -485,6 +497,9 @@ gst_matroska_demux_read_track_encodings (GstEbmlRead * ebml,
}
}
/* Sort encodings according to their order */
g_array_sort (context->encodings, gst_matroska_demux_encoding_cmp);
return res;
}
@ -2476,17 +2491,21 @@ static GstBuffer *
gst_matroska_decode_buffer (GstMatroskaTrackContext * context, GstBuffer * buf)
{
gint i;
guint8 *new_data = NULL;
guint new_size = 0;
GstBuffer *res;
g_assert (context->encodings != NULL);
for (i = 0; i < context->encodings->len; i++) {
GstMatroskaTrackEncoding *enc;
guint8 *new_data = NULL;
guint new_size = 0;
GstBuffer *new_buf;
enc = &g_array_index (context->encodings, GstMatroskaTrackEncoding, i);
/* Currently only compression is supported */
if (enc->type != 0)
break;
/* FIXME: use enc->scope ? */
if (enc->comp_algo == 0) {
@ -2501,8 +2520,8 @@ gst_matroska_decode_buffer (GstMatroskaTrackContext * context, GstBuffer * buf)
zstream.zfree = (free_func) 0;
zstream.opaque = (voidpf) 0;
if (inflateInit (&zstream) != Z_OK) {
GST_WARNING ("zlib initialization failed.\n");
return buf;
GST_WARNING ("zlib initialization failed.");
break;
}
zstream.next_in = (Bytef *) GST_BUFFER_DATA (buf);
zstream.avail_in = orig_size;
@ -2515,10 +2534,10 @@ gst_matroska_decode_buffer (GstMatroskaTrackContext * context, GstBuffer * buf)
zstream.next_out = (Bytef *) (new_data + zstream.total_out);
result = inflate (&zstream, Z_NO_FLUSH);
if (result != Z_OK && result != Z_STREAM_END) {
GST_WARNING ("zlib decompression failed.\n");
GST_WARNING ("zlib decompression failed.");
g_free (new_data);
inflateEnd (&zstream);
return buf;
break;
}
zstream.avail_out += 4000;
} while (zstream.avail_out == 4000 &&
@ -2528,25 +2547,34 @@ gst_matroska_decode_buffer (GstMatroskaTrackContext * context, GstBuffer * buf)
inflateEnd (&zstream);
#else
GST_WARNING ("GZIP encoded tracks not supported.");
return buf;
break;
#endif
} else if (enc->comp_algo == 1) {
GST_WARNING ("BZIP encoded tracks not supported.");
return buf;
break;
} else if (enc->comp_algo == 2) {
GST_WARNING ("LZO encoded tracks not supported.");
return buf;
break;
} else if (enc->comp_algo == 3) {
GST_WARNING ("Header-stripped tracks not supported.");
break;
} else {
g_assert_not_reached ();
}
g_assert (new_data != NULL);
new_buf = gst_buffer_new ();
GST_BUFFER_MALLOCDATA (new_buf) = (guint8 *) new_data;
GST_BUFFER_DATA (new_buf) = (guint8 *) new_data;
GST_BUFFER_SIZE (new_buf) = new_size;
gst_buffer_stamp (new_buf, buf);
gst_buffer_unref (buf);
buf = new_buf;
}
res = gst_buffer_new ();
GST_BUFFER_MALLOCDATA (res) = (guint8 *) new_data;
GST_BUFFER_DATA (res) = (guint8 *) new_data;
GST_BUFFER_SIZE (res) = new_size;
gst_buffer_stamp (res, buf);
gst_buffer_unref (buf);
return res;
return buf;
}
static gboolean