static gboolean gst_matroska_demux_handle_sink_event (GstPad * pad,
GstObject * parent, GstEvent * event);
+static gboolean gst_matroska_demux_handle_sink_query (GstPad * pad,
+ GstObject * parent, GstQuery * query);
static GstFlowReturn gst_matroska_demux_chain (GstPad * pad,
GstObject * object, GstBuffer * buffer);
static GstCaps
* gst_matroska_demux_subtitle_caps (GstMatroskaTrackSubtitleContext *
subtitlecontext, const gchar * codec_id, gpointer data, guint size);
+static const gchar *gst_matroska_track_encryption_algorithm_name (gint val);
+static const gchar *gst_matroska_track_encryption_cipher_mode_name (gint val);
+static const gchar *gst_matroska_track_encoding_scope_name (gint val);
/* stream methods */
static void gst_matroska_demux_reset (GstElement * element);
GST_DEBUG_FUNCPTR (gst_matroska_demux_chain));
gst_pad_set_event_function (demux->common.sinkpad,
GST_DEBUG_FUNCPTR (gst_matroska_demux_handle_sink_event));
+ gst_pad_set_query_function (demux->common.sinkpad,
+ GST_DEBUG_FUNCPTR (gst_matroska_demux_handle_sink_query));
gst_element_add_pad (GST_ELEMENT (demux), demux->common.sinkpad);
/* init defaults for common read context */
demux->cached_length = G_MAXUINT64;
+ if (demux->deferred_seek_event)
+ gst_event_unref (demux->deferred_seek_event);
+ demux->deferred_seek_event = NULL;
+ demux->deferred_seek_pad = NULL;
+
gst_flow_combiner_clear (demux->flowcombiner);
}
GstMapInfo map;
gpointer data;
gsize size;
+ GstBuffer *out_buf = buf;
g_return_val_if_fail (GST_IS_BUFFER (buf), NULL);
GST_DEBUG ("decoding buffer %p", buf);
- gst_buffer_map (buf, &map, GST_MAP_READ);
+ gst_buffer_map (out_buf, &map, GST_MAP_READ);
data = map.data;
size = map.size;
if (gst_matroska_decode_data (context->encodings, &data, &size,
GST_MATROSKA_TRACK_ENCODING_SCOPE_FRAME, FALSE)) {
- gst_buffer_unmap (buf, &map);
- gst_buffer_unref (buf);
- return gst_buffer_new_wrapped (data, size);
+ if (data != map.data) {
+ gst_buffer_unmap (out_buf, &map);
+ gst_buffer_unref (out_buf);
+ out_buf = gst_buffer_new_wrapped (data, size);
+ } else {
+ gst_buffer_unmap (out_buf, &map);
+ }
} else {
GST_DEBUG ("decode data failed");
- gst_buffer_unmap (buf, &map);
- gst_buffer_unref (buf);
+ gst_buffer_unmap (out_buf, &map);
+ gst_buffer_unref (out_buf);
return NULL;
}
+ /* Encrypted stream */
+ if (context->protection_info) {
+
+ GstStructure *info_protect = gst_structure_copy (context->protection_info);
+ gboolean encrypted = FALSE;
+
+ gst_buffer_map (out_buf, &map, GST_MAP_READ);
+ data = map.data;
+ size = map.size;
+
+ if (gst_matroska_parse_protection_meta (&data, &size, info_protect,
+ &encrypted)) {
+ if (data != map.data) {
+ GstBuffer *tmp_buf;
+
+ gst_buffer_unmap (out_buf, &map);
+ tmp_buf = out_buf;
+ out_buf = gst_buffer_copy_region (tmp_buf, GST_BUFFER_COPY_ALL,
+ gst_buffer_get_size (tmp_buf) - size, size);
+ gst_buffer_unref (tmp_buf);
+ if (encrypted)
+ gst_buffer_add_protection_meta (out_buf, info_protect);
+ else
+ gst_structure_free (info_protect);
+ } else {
+ gst_buffer_unmap (out_buf, &map);
+ gst_structure_free (info_protect);
+ }
+ } else {
+ GST_WARNING ("Adding protection metadata failed");
+ gst_buffer_unmap (out_buf, &map);
+ gst_buffer_unref (out_buf);
+ gst_structure_free (info_protect);
+ return NULL;
+ }
+ }
+
+ return out_buf;
}
static void
context->dts_only = FALSE;
context->intra_only = FALSE;
context->tags = gst_tag_list_new_empty ();
+ g_queue_init (&context->protection_event_queue);
+ context->protection_info = NULL;
GST_DEBUG_OBJECT (demux, "Parsing a TrackEntry (%d tracks parsed so far)",
demux->common.num_streams);
context->stream_headers, caps);
}
+ if (context->encodings) {
+ GstMatroskaTrackEncoding *enc;
+ guint i;
+
+ for (i = 0; i < context->encodings->len; i++) {
+ enc = &g_array_index (context->encodings, GstMatroskaTrackEncoding, i);
+ if (enc->type == GST_MATROSKA_ENCODING_ENCRYPTION /* encryption */ ) {
+ GstStructure *s = gst_caps_get_structure (caps, 0);
+ if (!gst_structure_has_name (s, "application/x-webm-enc")) {
+ gst_structure_set (s, "original-media-type", G_TYPE_STRING,
+ gst_structure_get_name (s), NULL);
+ gst_structure_set (s, "encryption-algorithm", G_TYPE_STRING,
+ gst_matroska_track_encryption_algorithm_name (enc->enc_algo),
+ NULL);
+ gst_structure_set (s, "encoding-scope", G_TYPE_STRING,
+ gst_matroska_track_encoding_scope_name (enc->scope), NULL);
+ gst_structure_set (s, "cipher-mode", G_TYPE_STRING,
+ gst_matroska_track_encryption_cipher_mode_name
+ (enc->enc_cipher_mode), NULL);
+ gst_structure_set_name (s, "application/x-webm-enc");
+ }
+ }
+ }
+ }
+
context->caps = caps;
/* tadaah! */
if (GST_EVENT_TYPE (event) == GST_EVENT_SEEK) {
/* no seeking until we are (safely) ready */
if (demux->common.state != GST_MATROSKA_READ_STATE_DATA) {
- GST_DEBUG_OBJECT (demux, "not ready for seeking yet");
- gst_event_unref (event);
- return FALSE;
+ GST_DEBUG_OBJECT (demux,
+ "not ready for seeking yet, deferring seek: %" GST_PTR_FORMAT, event);
+ if (demux->deferred_seek_event)
+ gst_event_unref (demux->deferred_seek_event);
+ demux->deferred_seek_event = event;
+ demux->deferred_seek_pad = NULL;
+ return TRUE;
}
res = gst_matroska_demux_handle_seek_event (demux, NULL, event);
} else {
case GST_EVENT_SEEK:
/* no seeking until we are (safely) ready */
if (demux->common.state != GST_MATROSKA_READ_STATE_DATA) {
- GST_DEBUG_OBJECT (demux, "not ready for seeking yet");
- gst_event_unref (event);
- return FALSE;
+ GST_DEBUG_OBJECT (demux,
+ "not ready for seeking yet, deferring seek event: %" GST_PTR_FORMAT,
+ event);
+ if (demux->deferred_seek_event)
+ gst_event_unref (demux->deferred_seek_event);
+ demux->deferred_seek_event = event;
+ demux->deferred_seek_pad = pad;
+ return TRUE;
}
{
return res;
}
+static gboolean
+gst_matroska_demux_handle_sink_query (GstPad * pad, GstObject * parent,
+ GstQuery * query)
+{
+ GstMatroskaDemux *demux = GST_MATROSKA_DEMUX (parent);
+ gboolean res = FALSE;
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_BITRATE:
+ {
+ if (G_UNLIKELY (demux->cached_length == G_MAXUINT64 ||
+ demux->common.offset >= demux->cached_length)) {
+ demux->cached_length =
+ gst_matroska_read_common_get_length (&demux->common);
+ }
+
+ if (demux->cached_length < G_MAXUINT64
+ && demux->common.segment.duration > 0) {
+ /* TODO: better results based on ranges/index tables */
+ guint bitrate =
+ gst_util_uint64_scale (8 * demux->cached_length, GST_SECOND,
+ demux->common.segment.duration);
+
+ GST_LOG_OBJECT (demux, "bitrate query byte length: %" G_GUINT64_FORMAT
+ " duration %" GST_TIME_FORMAT " resulting in a bitrate of %u",
+ demux->cached_length,
+ GST_TIME_ARGS (demux->common.segment.duration), bitrate);
+
+ gst_query_set_bitrate (query, bitrate);
+ res = TRUE;
+ }
+ break;
+ }
+ default:
+ res = gst_pad_query_default (pad, (GstObject *) demux, query);
+ break;
+ }
+
+ return res;
+}
+
static GstFlowReturn
gst_matroska_demux_seek_to_previous_keyframe (GstMatroskaDemux * demux)
{
DEBUG_ELEMENT_STOP (demux, ebml, "Tracks", ret);
demux->tracks_parsed = TRUE;
+ GST_DEBUG_OBJECT (demux, "signaling no more pads");
+ gst_element_no_more_pads (GST_ELEMENT (demux));
return ret;
}
if (!gst_caps_is_equal (old_track->caps, new_track->caps)) {
gst_pad_set_caps (new_track->pad, new_track->caps);
}
+ gst_caps_replace (&old_track->caps, NULL);
if (!gst_tag_list_is_equal (old_track->tags, new_track->tags)) {
GST_DEBUG_OBJECT (old_track->pad, "Sending tags %p: %"
gboolean delta_unit = FALSE;
guint64 duration = 0;
gint64 lace_time = 0;
+ GstEvent *protect_event;
stream = g_ptr_array_index (demux->common.src, stream_num);
} else {
lace_time = GST_CLOCK_TIME_NONE;
}
+ /* Send the GST_PROTECTION event */
+ while ((protect_event = g_queue_pop_head (&stream->protection_event_queue))) {
+ GST_TRACE_OBJECT (demux, "pushing protection event for stream %d:%s",
+ stream->index, GST_STR_NULL (stream->name));
+ gst_pad_push_event (stream->pad, protect_event);
+ }
/* need to refresh segment info ASAP */
if (GST_CLOCK_TIME_IS_VALID (lace_time) && demux->need_segment) {
/* If we're doing a keyframe-only trickmode, only push keyframes on video
* streams */
if (delta_unit
- && demux->common.
- segment.flags & GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS) {
+ && demux->common.segment.
+ flags & GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS) {
GST_LOG_OBJECT (demux, "Skipping non-keyframe on stream %d",
stream->index);
ret = GST_FLOW_OK;
GST_DEBUG_OBJECT (demux,
"estimated duration as %" GST_TIME_FORMAT,
GST_TIME_ARGS (demux->common.segment.duration));
+
+ g_free (last);
}
}
demux->common.offset = demux->first_cluster_offset;
}
- GST_DEBUG_OBJECT (demux, "signaling no more pads");
- gst_element_no_more_pads (GST_ELEMENT (demux));
+ if (demux->deferred_seek_event) {
+ GstEvent *seek_event;
+ GstPad *seek_pad;
+ seek_event = demux->deferred_seek_event;
+ seek_pad = demux->deferred_seek_pad;
+ demux->deferred_seek_event = NULL;
+ demux->deferred_seek_pad = NULL;
+ GST_DEBUG_OBJECT (demux,
+ "Handling deferred seek event: %" GST_PTR_FORMAT, seek_event);
+ gst_matroska_demux_handle_seek_event (demux, seek_pad,
+ seek_event);
+ gst_event_unref (seek_event);
+ }
+
/* send initial segment - we wait till we know the first
incoming timestamp, so we can properly set the start of
the segment. */
}
case GST_MATROSKA_ID_POSITION:
case GST_MATROSKA_ID_ENCRYPTEDBLOCK:
+ /* The WebM doesn't support the EncryptedBlock element.
+ * The Matroska spec doesn't give us more detail, how to parse this element,
+ * for example the field TransformID isn't specified yet.*/
case GST_MATROSKA_ID_SILENTTRACKS:
GST_DEBUG_OBJECT (demux,
"Skipping Cluster subelement 0x%x - ignoring", id);
static GstStaticCaps intra_caps = GST_STATIC_CAPS ("image/jpeg; "
"video/x-raw; image/png; video/x-dv; video/x-huffyuv; video/x-ffv; "
"video/x-compressed-yuv");
+ GstCaps *tmp = gst_static_caps_get (&intra_caps);
+
context->intra_only =
- gst_caps_can_intersect (gst_static_caps_get (&intra_caps), caps);
+ gst_caps_can_intersect (tmp, caps);
+ gst_caps_unref(tmp);
}
if (buf)
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, priv, NULL);
gst_buffer_unref (priv);
} else {
- GST_WARNING ("No codec data found, assuming output is byte-stream");
- gst_caps_set_simple (caps, "stream-format", G_TYPE_STRING, "byte-stream",
- NULL);
+ GST_WARNING ("No AV1 codec data found!");
}
*codec_name = g_strdup_printf ("AOM AV1");
} else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_VIDEO_PRORES)) {
*riff_audio_fmt = auds.format;
/* FIXME: Handle reorder map */
- caps = gst_riff_create_audio_caps (auds.format, NULL, &auds, NULL,
- codec_data, codec_name, NULL);
+ caps = gst_riff_create_audio_caps (auds.format, NULL, &auds, codec_data,
+ NULL, codec_name, NULL);
if (codec_data)
gst_buffer_unref (codec_data);
}
}
+static const gchar *
+gst_matroska_track_encryption_algorithm_name (gint val)
+{
+ GEnumValue *en;
+ GEnumClass *enum_class =
+ g_type_class_ref (MATROSKA_TRACK_ENCRYPTION_ALGORITHM_TYPE);
+ en = g_enum_get_value (G_ENUM_CLASS (enum_class), val);
+ return en ? en->value_nick : NULL;
+}
+
+static const gchar *
+gst_matroska_track_encryption_cipher_mode_name (gint val)
+{
+ GEnumValue *en;
+ GEnumClass *enum_class =
+ g_type_class_ref (MATROSKA_TRACK_ENCRYPTION_CIPHER_MODE_TYPE);
+ en = g_enum_get_value (G_ENUM_CLASS (enum_class), val);
+ return en ? en->value_nick : NULL;
+}
+
+static const gchar *
+gst_matroska_track_encoding_scope_name (gint val)
+{
+ GEnumValue *en;
+ GEnumClass *enum_class =
+ g_type_class_ref (MATROSKA_TRACK_ENCODING_SCOPE_TYPE);
+
+ en = g_enum_get_value (G_ENUM_CLASS (enum_class), val);
+ return en ? en->value_nick : NULL;
+}
+
gboolean
gst_matroska_demux_plugin_init (GstPlugin * plugin)
{
projects / platform / upstream / gst-plugins-good.git / blobdiff