mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-03-30 12:49:40 +00:00
jpegformat: port to 0.11
This commit is contained in:
parent
4381a0a3a2
commit
c94c332578
2 changed files with 157 additions and 146 deletions
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@ -114,39 +114,10 @@ static GstFlowReturn gst_jif_mux_chain (GstPad * pad, GstBuffer * buffer);
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static GstStateChangeReturn gst_jif_mux_change_state (GstElement * element,
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GstStateChange transition);
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static void
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gst_jif_type_init (GType type)
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{
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static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
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static const GInterfaceInfo tag_xmp_writer_info = { NULL, NULL, NULL };
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g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
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g_type_add_interface_static (type, GST_TYPE_TAG_XMP_WRITER,
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&tag_xmp_writer_info);
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GST_DEBUG_CATEGORY_INIT (jif_mux_debug, "jifmux", 0,
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"JPEG interchange format muxer");
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}
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GST_BOILERPLATE_FULL (GstJifMux, gst_jif_mux, GstElement, GST_TYPE_ELEMENT,
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gst_jif_type_init);
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static void
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gst_jif_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jif_mux_src_pad_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jif_mux_sink_pad_template));
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gst_element_class_set_details_simple (element_class,
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"JPEG stream muxer",
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"Video/Formatter",
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"Remuxes JPEG images with markers and tags",
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"Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>");
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}
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#define gst_jif_mux_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstJifMux, gst_jif_mux, GST_TYPE_ELEMENT,
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G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL);
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G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_XMP_WRITER, NULL));
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static void
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gst_jif_mux_class_init (GstJifMuxClass * klass)
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@ -159,13 +130,27 @@ gst_jif_mux_class_init (GstJifMuxClass * klass)
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g_type_class_add_private (gobject_class, sizeof (GstJifMuxPrivate));
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gobject_class->finalize = gst_jif_mux_finalize;
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_jif_mux_change_state);
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gobject_class->finalize = gst_jif_mux_finalize;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_jif_mux_src_pad_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_jif_mux_sink_pad_template));
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gst_element_class_set_details_simple (gstelement_class,
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"JPEG stream muxer",
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"Video/Formatter",
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"Remuxes JPEG images with markers and tags",
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"Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>");
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GST_DEBUG_CATEGORY_INIT (jif_mux_debug, "jifmux", 0,
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"JPEG interchange format muxer");
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}
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static void
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gst_jif_mux_init (GstJifMux * self, GstJifMuxClass * g_class)
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gst_jif_mux_init (GstJifMux * self)
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{
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GstPad *sinkpad;
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@ -176,8 +161,6 @@ gst_jif_mux_init (GstJifMux * self, GstJifMuxClass * g_class)
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sinkpad = gst_pad_new_from_static_template (&gst_jif_mux_sink_pad_template,
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"sink");
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gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (gst_jif_mux_chain));
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gst_pad_set_setcaps_function (sinkpad,
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GST_DEBUG_FUNCPTR (gst_jif_mux_sink_setcaps));
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gst_pad_set_event_function (sinkpad,
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GST_DEBUG_FUNCPTR (gst_jif_mux_sink_event));
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gst_element_add_pad (GST_ELEMENT (self), sinkpad);
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@ -219,6 +202,15 @@ gst_jif_mux_sink_event (GstPad * pad, GstEvent * event)
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gboolean ret;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_CAPS:
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{
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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ret = gst_jif_mux_sink_setcaps (pad, caps);
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gst_event_unref (event);
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break;
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}
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case GST_EVENT_TAG:{
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GstTagList *list;
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GstTagSetter *setter = GST_TAG_SETTER (self);
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@ -227,12 +219,14 @@ gst_jif_mux_sink_event (GstPad * pad, GstEvent * event)
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gst_event_parse_tag (event, &list);
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gst_tag_setter_merge_tags (setter, list, mode);
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ret = gst_pad_event_default (pad, event);
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break;
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}
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default:
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ret = gst_pad_event_default (pad, event);
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break;
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}
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ret = gst_pad_event_default (pad, event);
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return ret;
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}
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@ -276,13 +270,18 @@ gst_jif_mux_new_marker (guint8 marker, guint16 size, const guint8 * data,
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static gboolean
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gst_jif_mux_parse_image (GstJifMux * self, GstBuffer * buf)
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{
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GstByteReader reader = GST_BYTE_READER_INIT_FROM_BUFFER (buf);
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GstByteReader reader;
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GstJifMuxMarker *m;
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guint8 marker = 0;
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guint16 size = 0;
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const guint8 *data = NULL;
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guint8 *bdata;
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gsize bsize;
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GST_LOG_OBJECT (self, "Received buffer of size: %u", GST_BUFFER_SIZE (buf));
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bdata = gst_buffer_map (buf, &bsize, NULL, GST_MAP_READ);
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gst_byte_reader_init (&reader, bdata, bsize);
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GST_LOG_OBJECT (self, "Received buffer of size: %u", bsize);
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if (!gst_byte_reader_peek_uint8 (&reader, &marker))
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goto error;
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@ -330,21 +329,23 @@ gst_jif_mux_parse_image (GstJifMux * self, GstBuffer * buf)
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if (marker == SOS) {
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gint eoi_pos = -1;
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gint i;
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guint8 *mdata;
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gsize msize;
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/* search the last 5 bytes for the EOI marker */
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g_assert (GST_BUFFER_SIZE (buf) >= 5);
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mdata = gst_buffer_map (buf, &msize, NULL, GST_MAP_READ);
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g_assert (msize >= 5);
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for (i = 5; i >= 2; i--) {
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if (GST_BUFFER_DATA (buf)[GST_BUFFER_SIZE (buf) - i] == 0xFF &&
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GST_BUFFER_DATA (buf)[GST_BUFFER_SIZE (buf) - i + 1] == EOI) {
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eoi_pos = GST_BUFFER_SIZE (buf) - i;
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if (mdata[msize - i] == 0xFF && mdata[msize - i + 1] == EOI) {
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eoi_pos = msize - i;
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break;
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}
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}
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if (eoi_pos == -1) {
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GST_WARNING_OBJECT (self, "Couldn't find an EOI marker");
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eoi_pos = GST_BUFFER_SIZE (buf);
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eoi_pos = msize;
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}
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gst_buffer_unmap (buf, mdata, msize);
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/* remaining size except EOI is scan data */
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self->priv->scan_size = eoi_pos - gst_byte_reader_get_pos (&reader);
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@ -359,17 +360,23 @@ gst_jif_mux_parse_image (GstJifMux * self, GstBuffer * buf)
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goto error;
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}
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GST_INFO_OBJECT (self, "done parsing at 0x%x / 0x%x",
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gst_byte_reader_get_pos (&reader), GST_BUFFER_SIZE (buf));
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gst_byte_reader_get_pos (&reader), bsize);
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done:
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self->priv->markers = g_list_reverse (self->priv->markers);
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gst_buffer_unmap (buf, bdata, bsize);
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return TRUE;
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/* ERRORS */
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error:
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GST_WARNING_OBJECT (self,
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"Error parsing image header (need more that %u bytes available)",
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gst_byte_reader_get_remaining (&reader));
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return FALSE;
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{
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GST_WARNING_OBJECT (self,
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"Error parsing image header (need more that %u bytes available)",
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gst_byte_reader_get_remaining (&reader));
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gst_buffer_unmap (buf, bdata, bsize);
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return FALSE;
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}
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}
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static gboolean
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@ -531,25 +538,25 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
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/* Add EXIF */
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{
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GstBuffer *exif_data;
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gsize exif_size;
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guint8 *data;
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GstJifMuxMarker *m;
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GList *pos;
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/* insert into self->markers list */
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exif_data = gst_tag_list_to_exif_buffer_with_tiff_header (tags);
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if (exif_data &&
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GST_BUFFER_SIZE (exif_data) + 8 >= G_GUINT64_CONSTANT (65536)) {
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exif_size = exif_data ? gst_buffer_get_size (exif_data) : 0;
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if (exif_data && exif_size + 8 >= G_GUINT64_CONSTANT (65536)) {
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GST_WARNING_OBJECT (self, "Exif tags data size exceed maximum size");
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gst_buffer_unref (exif_data);
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exif_data = NULL;
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}
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if (exif_data) {
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data = g_malloc0 (GST_BUFFER_SIZE (exif_data) + 6);
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data = g_malloc0 (exif_size + 6);
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memcpy (data, "Exif", 4);
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memcpy (data + 6, GST_BUFFER_DATA (exif_data),
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GST_BUFFER_SIZE (exif_data));
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m = gst_jif_mux_new_marker (APP1, GST_BUFFER_SIZE (exif_data) + 6, data,
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TRUE);
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gst_buffer_extract (exif_data, 0, data + 6, exif_size);
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m = gst_jif_mux_new_marker (APP1, exif_size + 6, data, TRUE);
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gst_buffer_unref (exif_data);
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if (app1_exif) {
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@ -578,13 +585,14 @@ gst_jif_mux_mangle_markers (GstJifMux * self)
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gst_tag_xmp_writer_tag_list_to_xmp_buffer (GST_TAG_XMP_WRITER (self),
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tags, FALSE);
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if (xmp_data) {
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guint8 *data, *xmp = GST_BUFFER_DATA (xmp_data);
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guint size = GST_BUFFER_SIZE (xmp_data);
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guint8 *data;
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gsize size;
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GList *pos;
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size = gst_buffer_get_size (xmp_data);
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data = g_malloc (size + 29);
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memcpy (data, "http://ns.adobe.com/xap/1.0/\0", 29);
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memcpy (&data[29], xmp, size);
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gst_buffer_extract (xmp_data, 0, &data[29], size);
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m = gst_jif_mux_new_marker (APP1, size + 29, data, TRUE);
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/*
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@ -640,11 +648,12 @@ gst_jif_mux_recombine_image (GstJifMux * self, GstBuffer ** new_buf,
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{
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GstBuffer *buf;
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GstByteWriter *writer;
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GstFlowReturn fret;
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GstJifMuxMarker *m;
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GList *node;
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guint size = self->priv->scan_size;
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gboolean writer_status = TRUE;
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guint8 *bdata;
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gsize bsize;
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/* iterate list and collect size */
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for (node = self->priv->markers; node; node = g_list_next (node)) {
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@ -658,21 +667,19 @@ gst_jif_mux_recombine_image (GstJifMux * self, GstBuffer ** new_buf,
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size += 2;
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}
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GST_INFO_OBJECT (self, "old size: %u, new size: %u",
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GST_BUFFER_SIZE (old_buf), size);
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gst_buffer_get_size (old_buf), size);
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/* allocate new buffer */
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fret = gst_pad_alloc_buffer_and_set_caps (self->priv->srcpad,
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GST_BUFFER_OFFSET (old_buf), size, GST_PAD_CAPS (self->priv->srcpad),
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&buf);
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if (fret != GST_FLOW_OK)
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goto no_buffer;
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buf = gst_buffer_new_allocate (NULL, size, 0);
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/* copy buffer metadata */
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gst_buffer_copy_metadata (buf, old_buf,
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GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
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gst_buffer_copy_into (buf, old_buf,
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GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
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/* memcopy markers */
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writer = gst_byte_writer_new_with_buffer (buf, TRUE);
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bdata = gst_buffer_map (buf, &bsize, NULL, GST_MAP_WRITE);
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writer = gst_byte_writer_new_with_data (bdata, bsize, TRUE);
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for (node = self->priv->markers; node && writer_status;
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node = g_list_next (node)) {
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m = (GstJifMuxMarker *) node->data;
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@ -694,6 +701,7 @@ gst_jif_mux_recombine_image (GstJifMux * self, GstBuffer ** new_buf,
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self->priv->scan_size);
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}
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}
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gst_buffer_unmap (buf, bdata, bsize);
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gst_byte_writer_free (writer);
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if (!writer_status) {
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@ -704,11 +712,6 @@ gst_jif_mux_recombine_image (GstJifMux * self, GstBuffer ** new_buf,
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*new_buf = buf;
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return GST_FLOW_OK;
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no_buffer:
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GST_WARNING_OBJECT (self, "failed to allocate output buffer, flow_ret = %s",
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gst_flow_get_name (fret));
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return fret;
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}
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static GstFlowReturn
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@ -717,15 +720,11 @@ gst_jif_mux_chain (GstPad * pad, GstBuffer * buf)
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GstJifMux *self = GST_JIF_MUX (GST_PAD_PARENT (pad));
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GstFlowReturn fret = GST_FLOW_OK;
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if (GST_BUFFER_CAPS (buf) == NULL) {
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GST_WARNING_OBJECT (self, "Rejecting buffer without caps");
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gst_buffer_unref (buf);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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#if 0
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GST_MEMDUMP ("jpeg beg", GST_BUFFER_DATA (buf), 64);
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GST_MEMDUMP ("jpeg end", GST_BUFFER_DATA (buf) + GST_BUFFER_SIZE (buf) - 64,
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64);
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#endif
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/* we should have received a whole picture from SOI to EOI
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* build a list of markers */
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@ -59,7 +59,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("image/jpeg, "
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"format = (fourcc) { I420, Y41B, UYVY, YV12 }, "
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"format = (string) { I420, Y41B, UYVY, YV12 }, "
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"width = (int) [ 0, MAX ],"
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"height = (int) [ 0, MAX ], "
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"interlaced = (boolean) { true, false }, "
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@ -99,8 +99,8 @@ struct _GstJpegParsePrivate
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/* TRUE if the image is interlaced */
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gboolean interlaced;
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/* fourcc color space */
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guint32 fourcc;
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/* format color space */
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const gchar *format;
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/* TRUE if the src caps sets a specific framerate */
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gboolean has_fps;
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@ -124,31 +124,12 @@ static void gst_jpeg_parse_dispose (GObject * object);
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static GstFlowReturn gst_jpeg_parse_chain (GstPad * pad, GstBuffer * buffer);
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static gboolean gst_jpeg_parse_sink_setcaps (GstPad * pad, GstCaps * caps);
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static gboolean gst_jpeg_parse_sink_event (GstPad * pad, GstEvent * event);
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static GstCaps *gst_jpeg_parse_src_getcaps (GstPad * pad);
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static GstCaps *gst_jpeg_parse_src_getcaps (GstPad * pad, GstCaps * filter);
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static GstStateChangeReturn gst_jpeg_parse_change_state (GstElement * element,
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GstStateChange transition);
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#define _do_init(bla) \
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GST_DEBUG_CATEGORY_INIT (jpeg_parse_debug, "jpegparse", 0, "JPEG parser");
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GST_BOILERPLATE_FULL (GstJpegParse, gst_jpeg_parse, GstElement,
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GST_TYPE_ELEMENT, _do_init);
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static void
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gst_jpeg_parse_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jpeg_parse_src_pad_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jpeg_parse_sink_pad_template));
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gst_element_class_set_details_simple (element_class,
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"JPEG stream parser",
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"Video/Parser",
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"Parse JPEG images into single-frame buffers",
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"Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>");
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}
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#define gst_jpeg_parse_parent_class parent_class
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G_DEFINE_TYPE (GstJpegParse, gst_jpeg_parse, GST_TYPE_ELEMENT);
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static void
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gst_jpeg_parse_class_init (GstJpegParseClass * klass)
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@ -164,10 +145,23 @@ gst_jpeg_parse_class_init (GstJpegParseClass * klass)
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||||
gstelement_class->change_state =
|
||||
GST_DEBUG_FUNCPTR (gst_jpeg_parse_change_state);
|
||||
|
||||
gst_element_class_add_pad_template (gstelement_class,
|
||||
gst_static_pad_template_get (&gst_jpeg_parse_src_pad_template));
|
||||
gst_element_class_add_pad_template (gstelement_class,
|
||||
gst_static_pad_template_get (&gst_jpeg_parse_sink_pad_template));
|
||||
|
||||
gst_element_class_set_details_simple (gstelement_class,
|
||||
"JPEG stream parser",
|
||||
"Video/Parser",
|
||||
"Parse JPEG images into single-frame buffers",
|
||||
"Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>");
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (jpeg_parse_debug, "jpegparse", 0, "JPEG parser");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_jpeg_parse_init (GstJpegParse * parse, GstJpegParseClass * g_class)
|
||||
gst_jpeg_parse_init (GstJpegParse * parse)
|
||||
{
|
||||
GstPad *sinkpad;
|
||||
|
||||
|
@ -181,8 +175,6 @@ gst_jpeg_parse_init (GstJpegParse * parse, GstJpegParseClass * g_class)
|
|||
GST_DEBUG_FUNCPTR (gst_jpeg_parse_chain));
|
||||
gst_pad_set_event_function (sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_jpeg_parse_sink_event));
|
||||
gst_pad_set_setcaps_function (sinkpad,
|
||||
GST_DEBUG_FUNCPTR (gst_jpeg_parse_sink_setcaps));
|
||||
gst_element_add_pad (GST_ELEMENT (parse), sinkpad);
|
||||
|
||||
parse->priv->srcpad =
|
||||
|
@ -234,12 +226,11 @@ gst_jpeg_parse_sink_setcaps (GstPad * pad, GstCaps * caps)
|
|||
}
|
||||
|
||||
static GstCaps *
|
||||
gst_jpeg_parse_src_getcaps (GstPad * pad)
|
||||
gst_jpeg_parse_src_getcaps (GstPad * pad, GstCaps * filter)
|
||||
{
|
||||
GstCaps *result;
|
||||
|
||||
if ((result = GST_PAD_CAPS (pad))) {
|
||||
result = gst_caps_ref (result);
|
||||
if ((result = gst_pad_get_current_caps (pad))) {
|
||||
GST_DEBUG_OBJECT (pad, "using pad caps %" GST_PTR_FORMAT, result);
|
||||
} else {
|
||||
result = gst_caps_ref (GST_PAD_TEMPLATE_CAPS (GST_PAD_PAD_TEMPLATE (pad)));
|
||||
|
@ -487,21 +478,21 @@ gst_jpeg_parse_sof (GstJpegParse * parse, GstByteReader * reader)
|
|||
}
|
||||
|
||||
if (numcomps == 1) {
|
||||
/* gray image - no fourcc */
|
||||
parse->priv->fourcc = 0;
|
||||
/* gray image - no format */
|
||||
parse->priv->format = "";
|
||||
} else if (numcomps == 3) {
|
||||
temp = (blockWidth[0] * blockHeight[0]) / (blockWidth[1] * blockHeight[1]);
|
||||
|
||||
if (temp == 4 && blockHeight[0] == 2)
|
||||
parse->priv->fourcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
|
||||
parse->priv->format = "I420";
|
||||
else if (temp == 4 && blockHeight[0] == 4)
|
||||
parse->priv->fourcc = GST_MAKE_FOURCC ('Y', '4', '1', 'B');
|
||||
parse->priv->format = "Y41B";
|
||||
else if (temp == 2)
|
||||
parse->priv->fourcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
|
||||
parse->priv->format = "UYVY";
|
||||
else if (temp == 1)
|
||||
parse->priv->fourcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
|
||||
parse->priv->format = "YV12";
|
||||
else
|
||||
parse->priv->fourcc = 0;
|
||||
parse->priv->format = "";
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
|
@ -517,7 +508,8 @@ gst_jpeg_parse_remove_marker (GstJpegParse * parse,
|
|||
{
|
||||
guint16 size = 0;
|
||||
guint pos = gst_byte_reader_get_pos (reader);
|
||||
guint8 *data = GST_BUFFER_DATA (buffer);
|
||||
guint8 *data;
|
||||
gsize bsize;
|
||||
|
||||
if (!gst_byte_reader_peek_uint16_be (reader, &size))
|
||||
return FALSE;
|
||||
|
@ -526,9 +518,9 @@ gst_jpeg_parse_remove_marker (GstJpegParse * parse,
|
|||
|
||||
GST_LOG_OBJECT (parse, "unhandled marker %x removing %u bytes", marker, size);
|
||||
|
||||
memmove (&data[pos], &data[pos + size],
|
||||
GST_BUFFER_SIZE (buffer) - (pos + size));
|
||||
GST_BUFFER_SIZE (buffer) -= size;
|
||||
data = gst_buffer_map (buffer, &bsize, NULL, GST_MAP_READWRITE);
|
||||
memmove (&data[pos], &data[pos + size], bsize - (pos + size));
|
||||
gst_buffer_unmap (buffer, data, bsize - size);
|
||||
|
||||
if (!gst_byte_reader_set_pos (reader, pos - size))
|
||||
return FALSE;
|
||||
|
@ -579,14 +571,12 @@ get_tag_list (GstJpegParse * parse)
|
|||
|
||||
static inline void
|
||||
extract_and_queue_tags (GstJpegParse * parse, guint size, guint8 * data,
|
||||
GstTagList * (*tag_func) (const GstBuffer * buff))
|
||||
GstTagList * (*tag_func) (GstBuffer * buff))
|
||||
{
|
||||
GstTagList *tags;
|
||||
GstBuffer *buf;
|
||||
|
||||
buf = gst_buffer_new ();
|
||||
GST_BUFFER_DATA (buf) = data;
|
||||
GST_BUFFER_SIZE (buf) = size;
|
||||
buf = gst_buffer_new_wrapped_full (data, NULL, 0, size);
|
||||
|
||||
tags = tag_func (buf);
|
||||
gst_buffer_unref (buf);
|
||||
|
@ -702,9 +692,14 @@ gst_jpeg_parse_com (GstJpegParse * parse, GstByteReader * reader)
|
|||
static gboolean
|
||||
gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
|
||||
{
|
||||
GstByteReader reader = GST_BYTE_READER_INIT_FROM_BUFFER (buffer);
|
||||
GstByteReader reader;
|
||||
guint8 marker = 0;
|
||||
gboolean foundSOF = FALSE;
|
||||
guint8 *data;
|
||||
gsize size;
|
||||
|
||||
data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
|
||||
gst_byte_reader_init (&reader, data, size);
|
||||
|
||||
if (!gst_byte_reader_peek_uint8 (&reader, &marker))
|
||||
goto error;
|
||||
|
@ -720,7 +715,7 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
|
|||
|
||||
switch (marker) {
|
||||
case SOS: /* start of scan (begins compressed data) */
|
||||
return foundSOF;
|
||||
goto done;
|
||||
|
||||
case SOI:
|
||||
break;
|
||||
|
@ -751,12 +746,12 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
|
|||
parse->priv->interlaced = TRUE;
|
||||
/* fall through */
|
||||
case SOF0:
|
||||
foundSOF = TRUE;
|
||||
/* parse Start Of Frame */
|
||||
if (!gst_jpeg_parse_sof (parse, &reader))
|
||||
goto error;
|
||||
|
||||
return TRUE;
|
||||
foundSOF = TRUE;
|
||||
goto done;
|
||||
|
||||
default:
|
||||
if (marker == JPG || (marker >= JPG0 && marker <= JPG13)) {
|
||||
|
@ -766,25 +761,35 @@ gst_jpeg_parse_read_header (GstJpegParse * parse, GstBuffer * buffer)
|
|||
} else if (marker >= APP0 && marker <= APP15) {
|
||||
if (!gst_jpeg_parse_skip_marker (parse, &reader, marker))
|
||||
goto error;
|
||||
} else {
|
||||
GST_WARNING_OBJECT (parse, "unhandled marker %x, leaving", marker);
|
||||
/* Not SOF or SOI. Must not be a JPEG file (or file pointer
|
||||
* is placed wrong). In either case, it's an error. */
|
||||
return FALSE;
|
||||
}
|
||||
} else
|
||||
goto unhandled;
|
||||
}
|
||||
|
||||
if (!gst_byte_reader_peek_uint8 (&reader, &marker))
|
||||
goto error;
|
||||
}
|
||||
done:
|
||||
gst_buffer_unmap (buffer, data, size);
|
||||
|
||||
return foundSOF;
|
||||
|
||||
/* ERRORS */
|
||||
error:
|
||||
GST_WARNING_OBJECT (parse,
|
||||
"Error parsing image header (need more than %u bytes available)",
|
||||
gst_byte_reader_get_remaining (&reader));
|
||||
return FALSE;
|
||||
{
|
||||
GST_WARNING_OBJECT (parse,
|
||||
"Error parsing image header (need more than %u bytes available)",
|
||||
gst_byte_reader_get_remaining (&reader));
|
||||
gst_buffer_unmap (buffer, data, size);
|
||||
return FALSE;
|
||||
}
|
||||
unhandled:
|
||||
{
|
||||
GST_WARNING_OBJECT (parse, "unhandled marker %x, leaving", marker);
|
||||
/* Not SOF or SOI. Must not be a JPEG file (or file pointer
|
||||
* is placed wrong). In either case, it's an error. */
|
||||
gst_buffer_unmap (buffer, data, size);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
@ -801,7 +806,7 @@ gst_jpeg_parse_set_new_caps (GstJpegParse * parse, gboolean header_ok)
|
|||
|
||||
if (header_ok == TRUE) {
|
||||
gst_caps_set_simple (caps,
|
||||
"format", GST_TYPE_FOURCC, parse->priv->fourcc,
|
||||
"format", G_TYPE_STRING, parse->priv->format,
|
||||
"interlaced", G_TYPE_BOOLEAN, parse->priv->interlaced,
|
||||
"width", G_TYPE_INT, parse->priv->width,
|
||||
"height", G_TYPE_INT, parse->priv->height, NULL);
|
||||
|
@ -896,8 +901,6 @@ gst_jpeg_parse_push_buffer (GstJpegParse * parse, guint len)
|
|||
|
||||
GST_BUFFER_DURATION (outbuf) = parse->priv->duration;
|
||||
|
||||
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (parse->priv->srcpad));
|
||||
|
||||
GST_LOG_OBJECT (parse, "pushing buffer (ts=%" GST_TIME_FORMAT ", len=%u)",
|
||||
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)), len);
|
||||
|
||||
|
@ -957,6 +960,15 @@ gst_jpeg_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
GST_DEBUG_OBJECT (parse, "event : %s", GST_EVENT_TYPE_NAME (event));
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_CAPS:
|
||||
{
|
||||
GstCaps *caps;
|
||||
|
||||
gst_event_parse_caps (event, &caps);
|
||||
res = gst_jpeg_parse_sink_setcaps (pad, caps);
|
||||
gst_event_unref (event);
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_FLUSH_STOP:
|
||||
parse->priv->next_ts = GST_CLOCK_TIME_NONE;
|
||||
parse->priv->last_offset = 0;
|
||||
|
@ -972,7 +984,7 @@ gst_jpeg_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
res = gst_pad_push_event (parse->priv->srcpad, event);
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_NEWSEGMENT:
|
||||
case GST_EVENT_SEGMENT:
|
||||
/* Discard any data in the adapter. There should have been an EOS before
|
||||
* to flush it. */
|
||||
gst_adapter_clear (parse->priv->adapter);
|
||||
|
|
Loading…
Reference in a new issue