ASF_OBJ_HEADER,
ASF_OBJ_CONCEAL_NONE,
ASF_OBJ_COMMENT,
- ASF_OBJ_CODEC_COMMENT,
+ ASF_OBJ_CODEC_COMMENT1,
+ ASF_OBJ_CODEC_COMMENT2,
ASF_OBJ_INDEX,
ASF_OBJ_HEAD1,
ASF_OBJ_HEAD2,
ASF_OBJ_PADDING,
+ ASF_OBJ_BITRATE_PROPS,
+ ASF_OBJ_EXT_CONTENT_DESC
};
enum {
{ ASF_STREAM_UNDEFINED, { 0, 0, 0, 0 }},
};
-static GstASFGuidHash asf_object_guids[] = {
- { ASF_OBJ_STREAM, { 0xB7DC0791, 0x11CFA9B7, 0xC000E68E, 0x6553200C }},
- { ASF_OBJ_DATA, { 0x75b22636, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }},
- { ASF_OBJ_FILE, { 0x8CABDCA1, 0x11CFA947, 0xC000E48E, 0x6553200C }},
- { ASF_OBJ_HEADER, { 0x75B22630, 0x11CF668E, 0xAA00D9A6, 0x6CCE6200 }},
- { ASF_OBJ_CONCEAL_NONE, { 0x20fb5700, 0x11cf5b55, 0x8000FDa8, 0x2B445C5f }},
- { ASF_OBJ_COMMENT, { 0x75b22633, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }},
- { ASF_OBJ_CODEC_COMMENT, { 0x86D15240, 0x11D0311D, 0xA000A4A3, 0xF64803C9 }},
- { ASF_OBJ_CODEC_COMMENT, { 0x86d15241, 0x11d0311d, 0xA000A4a3, 0xF64803c9 }},
- { ASF_OBJ_INDEX, { 0x33000890, 0x11cfe5b1, 0xA000F489, 0xCB4903c9 }},
- { ASF_OBJ_HEAD1, { 0x5fbf03b5, 0x11cfa92e, 0xC000E38e, 0x6553200c }},
- { ASF_OBJ_HEAD2, { 0xabd3d211, 0x11cfa9ba, 0xC000E68e, 0x6553200c }},
- { ASF_OBJ_PADDING, { 0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CD }},
- { ASF_OBJ_UNDEFINED, { 0, 0, 0, 0 }},
-};
-
struct _asf_obj_header {
guint32 num_objects;
guint8 unknown1;
typedef struct _asf_obj_header asf_obj_header;
+struct _asf_obj_comment {
+ guint16 title_length;
+ guint16 author_length;
+ guint16 copyright_length;
+ guint16 description_length;
+ guint16 rating_length;
+};
+
+typedef struct _asf_obj_comment asf_obj_comment;
+
struct _asf_obj_file {
GstASFGuid file_id;
guint64 file_size;
typedef struct _asf_segment_info asf_segment_info;
-
struct _asf_replicated_data {
guint32 object_size;
guint32 frag_timestamp;
typedef struct _asf_replicated_data asf_replicated_data;
+struct _asf_bitrate_record {
+ guint16 stream_id;
+ guint32 bitrate;
+};
+
+typedef struct _asf_bitrate_record asf_bitrate_record;
+
/* elementfactory information */
static GstElementDetails gst_asf_demux_details = {
}
}
-static inline gboolean
-gst_asf_demux_read_object_header (GstASFDemux *asf_demux, guint32 *obj_id, guint64 *obj_size)
-{
- guint32 got_bytes;
- GstASFGuid *guid;
- guint64 *size;
- GstByteStream *bs = asf_demux->bs;
-
-
- /* First get the GUID */
- got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&guid, sizeof(GstASFGuid));
- if (got_bytes < sizeof (GstASFGuid)) {
- guint32 remaining;
- GstEvent *event;
-
- gst_bytestream_get_status (bs, &remaining, &event);
- gst_event_unref (event);
-
- return FALSE;
- }
-
- *obj_id = gst_asf_demux_identify_guid (asf_demux, asf_object_guids, guid);
-
- gst_bytestream_flush (bs, sizeof (GstASFGuid));
-
- if (*obj_id == ASF_OBJ_UNDEFINED) {
- GST_INFO (GST_CAT_PLUGIN_INFO, "Object found with unknown GUID %08x %08x %08x %08x", guid->v1, guid->v2, guid->v3, guid->v4);
- gst_element_error (GST_ELEMENT (asf_demux), "Could not identify object");
- return TRUE;
- }
-
- /* Now get the object size */
- got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&size, sizeof (guint64));
- while (got_bytes < sizeof (guint64)) {
- guint32 remaining;
- GstEvent *event;
-
- gst_bytestream_get_status (bs, &remaining, &event);
- gst_event_unref (event);
-
- got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&size, sizeof (guint64));
- }
-
- *obj_size = GUINT64_FROM_LE (*size);
- gst_bytestream_flush (bs, sizeof (guint64));
-
- return TRUE;
-}
-
static guint32 gst_asf_demux_read_var_length (GstASFDemux *asf_demux, guint8 type, guint32 *rsize)
{
guint32 got_bytes;
} while (gst_asf_demux_handle_sink_event (asf_demux));
}
-static inline gboolean
+static gboolean
gst_asf_demux_process_file (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
{
asf_obj_file *object;
return TRUE;
}
+static gboolean
+gst_asf_demux_process_bitrate_props_object (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
+{
+ guint32 got_bytes;
+ GstBuffer *buf;
+ guint16 num_streams;
+ guint8 stream_id;
+ guint16 i;
+ asf_bitrate_record *bitrate_record;
-static inline gboolean
+ got_bytes = gst_bytestream_read (asf_demux->bs, &buf, 2);
+ num_streams = GUINT16_FROM_LE (*GST_BUFFER_DATA (buf));
+
+ GST_INFO (GST_CAT_PLUGIN_INFO, "Object is a bitrate properties object with %u streams.", num_streams);
+
+ for (i = 0; i < num_streams; i++) {
+ gst_asf_demux_read_object_header_rest (asf_demux, (guint8**)&bitrate_record, 6);
+ stream_id = GUINT16_FROM_LE (bitrate_record->stream_id) & 0x7f;
+ asf_demux->bitrate[stream_id] = GUINT32_FROM_LE (bitrate_record->bitrate);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_asf_demux_process_comment (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
+{
+ asf_obj_comment *object;
+ guint16 title_length;
+ guint16 author_length;
+ guint16 copyright_length;
+ guint16 description_length;
+ guint16 rating_length;
+ GstByteStream *bs = asf_demux->bs;
+
+ GST_INFO (GST_CAT_PLUGIN_INFO, "Object is a comment.");
+
+ /* Get the rest of the comment's header */
+ gst_asf_demux_read_object_header_rest (asf_demux, (guint8**)&object, 10);
+ title_length = GUINT16_FROM_LE (object->title_length);
+ author_length = GUINT16_FROM_LE (object->author_length);
+ copyright_length = GUINT16_FROM_LE (object->copyright_length);
+ description_length = GUINT16_FROM_LE (object->description_length);
+ rating_length = GUINT16_FROM_LE (object->rating_length);
+ GST_DEBUG (GST_CAT_PLUGIN_INFO, "Comment lengths: title=%d author=%d copyright=%d description=%d rating=%d", title_length, author_length, copyright_length, description_length, rating_length);
+
+ /* We don't do anything with them at the moment so just skip them */
+ gst_bytestream_flush (bs, title_length);
+ gst_bytestream_flush (bs, author_length);
+ gst_bytestream_flush (bs, copyright_length);
+ gst_bytestream_flush (bs, description_length);
+ gst_bytestream_flush (bs, rating_length);
+
+ return TRUE;
+}
+
+
+static gboolean
gst_asf_demux_process_header (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
{
guint32 num_objects;
return TRUE;
}
-static inline gboolean
+static gboolean
gst_asf_demux_process_segment (GstASFDemux *asf_demux,
asf_packet_info *packet_info)
{
return TRUE;
}
-static inline gboolean
+static gboolean
gst_asf_demux_process_data (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
{
asf_obj_data *object;
GST_DEBUG (GST_CAT_PLUGIN_INFO, "Remaining size left: %u", packet_info.size_left);
- if (packet_info.size_left > 0) {
- gst_element_error (GST_ELEMENT (asf_demux), "The packet's header indicated a length longer than its contents");
- return FALSE;
- }
+ if (packet_info.size_left > 0)
+ gst_bytestream_flush (asf_demux->bs, packet_info.size_left);
}
return TRUE;
}
-static inline gboolean
+static gboolean
gst_asf_demux_process_stream (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
{
asf_obj_stream *object;
return TRUE;
}
+static gboolean
+gst_asf_demux_do_nothing (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
+{
+ GST_INFO (GST_CAT_PLUGIN_INFO, "Do nothing...");
+ return TRUE;
+}
+
+static GstASFGuidHash asf_object_guids[] = {
+ { ASF_OBJ_STREAM, { 0xB7DC0791, 0x11CFA9B7, 0xC000E68E, 0x6553200C }, gst_asf_demux_process_stream},
+ { ASF_OBJ_DATA, { 0x75b22636, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }, gst_asf_demux_process_data},
+ { ASF_OBJ_FILE, { 0x8CABDCA1, 0x11CFA947, 0xC000E48E, 0x6553200C }, gst_asf_demux_process_file},
+ { ASF_OBJ_HEADER, { 0x75B22630, 0x11CF668E, 0xAA00D9A6, 0x6CCE6200 }, gst_asf_demux_process_header},
+ { ASF_OBJ_CONCEAL_NONE, { 0x20fb5700, 0x11cf5b55, 0x8000FDa8, 0x2B445C5f }, gst_asf_demux_do_nothing},
+ { ASF_OBJ_COMMENT, { 0x75b22633, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }, gst_asf_demux_process_comment},
+ { ASF_OBJ_CODEC_COMMENT1, { 0x86D15240, 0x11D0311D, 0xA000A4A3, 0xF64803C9 }, gst_asf_demux_skip_object},
+ { ASF_OBJ_CODEC_COMMENT2, { 0x86d15241, 0x11d0311d, 0xA000A4a3, 0xF64803c9 }, gst_asf_demux_skip_object},
+ { ASF_OBJ_INDEX, { 0x33000890, 0x11cfe5b1, 0xA000F489, 0xCB4903c9 }, gst_asf_demux_skip_object},
+ { ASF_OBJ_HEAD1, { 0x5fbf03b5, 0x11cfa92e, 0xC000E38e, 0x6553200c }, gst_asf_demux_skip_object},
+ { ASF_OBJ_HEAD2, { 0xabd3d211, 0x11cfa9ba, 0xC000E68e, 0x6553200c }, gst_asf_demux_do_nothing},
+ { ASF_OBJ_PADDING, { 0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CD }, gst_asf_demux_skip_object},
+ { ASF_OBJ_BITRATE_PROPS, { 0x7bf875ce, 0x11d1468d, 0x6000828d, 0xb2a2c997 }, gst_asf_demux_process_bitrate_props_object},
+ { ASF_OBJ_EXT_CONTENT_DESC, { 0xd2d0a440, 0x11d2e307, 0xa000f097, 0x50a85ec9 }, gst_asf_demux_skip_object},
+ { ASF_OBJ_UNDEFINED, { 0, 0, 0, 0 }, NULL},
+};
+
+static inline gboolean
+gst_asf_demux_read_object_header (GstASFDemux *asf_demux, guint32 *obj_id, guint64 *obj_size)
+{
+ guint32 got_bytes;
+ GstASFGuid *guid;
+ guint64 *size;
+ GstByteStream *bs = asf_demux->bs;
+
+
+ /* First get the GUID */
+ got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&guid, sizeof(GstASFGuid));
+ if (got_bytes < sizeof (GstASFGuid)) {
+ guint32 remaining;
+ GstEvent *event;
+
+ gst_bytestream_get_status (bs, &remaining, &event);
+ gst_event_unref (event);
+
+ return FALSE;
+ }
+
+ *obj_id = gst_asf_demux_identify_guid (asf_demux, asf_object_guids, guid);
+
+ gst_bytestream_flush (bs, sizeof (GstASFGuid));
+
+ if (*obj_id == ASF_OBJ_UNDEFINED) {
+ GST_INFO (GST_CAT_PLUGIN_INFO, "Object found with unknown GUID %08x %08x %08x %08x", guid->v1, guid->v2, guid->v3, guid->v4);
+ gst_element_error (GST_ELEMENT (asf_demux), "Could not identify object");
+ return FALSE;
+ }
+
+ /* Now get the object size */
+ got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&size, sizeof (guint64));
+ while (got_bytes < sizeof (guint64)) {
+ guint32 remaining;
+ GstEvent *event;
+
+ gst_bytestream_get_status (bs, &remaining, &event);
+ gst_event_unref (event);
+
+ got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&size, sizeof (guint64));
+ }
+
+ *obj_size = GUINT64_FROM_LE (*size);
+ gst_bytestream_flush (bs, sizeof (guint64));
+
+ return TRUE;
+}
+
static gboolean
gst_asf_demux_process_object (GstASFDemux *asf_demux,
guint64 *filepos) {
return FALSE;
}
- GST_INFO (GST_CAT_PLUGIN_INFO, "Found object %u with size %llx", obj_id, obj_size);
+ GST_INFO (GST_CAT_PLUGIN_INFO, "Found object %u with size %llu", obj_id, obj_size);
- switch (obj_id) {
- case ASF_OBJ_STREAM:
- gst_asf_demux_process_stream (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_DATA:
- gst_asf_demux_process_data (asf_demux, filepos, &obj_size);
- /* This is the last object */
- return FALSE;
- break;
- case ASF_OBJ_FILE:
- gst_asf_demux_process_file (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_HEADER:
- gst_asf_demux_process_header (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_CONCEAL_NONE:
- break;
- case ASF_OBJ_COMMENT:
- gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_CODEC_COMMENT:
- gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_INDEX:
- gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_HEAD1:
- gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
- break;
- case ASF_OBJ_HEAD2:
- break;
- case ASF_OBJ_PADDING:
- gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
- break;
- default:
+ if (obj_id == ASF_OBJ_UNDEFINED) {
gst_element_error (GST_ELEMENT (asf_demux), "Unknown ASF object");
+ return FALSE;
+ } else {
+ return asf_object_guids[obj_id - 1].process_object (asf_demux, filepos, &obj_size);
}
- //gst_element_yield (GST_ELEMENT (asf_demux));
-
return TRUE;
}
asf_segment_info *segment_info)
{
asf_stream_context *stream;
- GstFormat format;
- guint64 next_ts;
guint32 got_bytes;
GstByteStream *bs = asf_demux->bs;
GstBuffer *buffer;
gst_asf_demux_descramble_segment (asf_demux, segment_info, stream);
}
- /* Set the timestamp */
- format = GST_FORMAT_TIME;
- gst_pad_query (stream->pad, GST_QUERY_POSITION, &format, &next_ts);
-
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "Nextts is %llu", next_ts);
-
if (GST_PAD_IS_USABLE (stream->pad)) {
GST_DEBUG (GST_CAT_PLUGIN_INFO, "New buffer is at: %p size: %u", GST_BUFFER_DATA(stream->payload), GST_BUFFER_SIZE(stream->payload));
- GST_BUFFER_TIMESTAMP (stream->payload) = next_ts;
+ GST_BUFFER_TIMESTAMP (stream->payload) = (GST_SECOND / 1000) * asf_demux->pts;
/*!!! Should handle flush events here? */
GST_DEBUG (GST_CAT_PLUGIN_INFO, "Sending strem %d of size %d", stream->id , segment_info->chunk_size);