* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "string.h"
#include "gstlame.h"
/* elementfactory information */
{
"L.A.M.E. mp3 encoder",
"Codec/Audio/Encoder",
- "GPL",
"High-quality free MP3 encoder",
- VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
- "(C) 2000",
};
-GST_PAD_TEMPLATE_FACTORY (gst_lame_sink_factory,
+static GstStaticPadTemplate gst_lame_sink_template =
+GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "gstlame_sink",
- "audio/raw",
- "format", GST_PROPS_STRING ("int"),
- "law", GST_PROPS_INT (0),
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "signed", GST_PROPS_BOOLEAN (TRUE),
- "width", GST_PROPS_INT (16),
- "depth", GST_PROPS_INT (16),
- "rate", GST_PROPS_LIST (
- GST_PROPS_INT (8000),
- GST_PROPS_INT (11025),
- GST_PROPS_INT (12000),
- GST_PROPS_INT (16000),
- GST_PROPS_INT (22050),
- GST_PROPS_INT (24000),
- GST_PROPS_INT (32000),
- GST_PROPS_INT (44100),
- GST_PROPS_INT (48000)
- ),
- "channels", GST_PROPS_INT_RANGE (1, 2)
+ GST_STATIC_CAPS (
+ "audio/x-raw-int, "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (boolean) true, "
+ "width = (int) 16, "
+ "depth = (int) 16, "
+ "rate = (int) { 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, "
+ "channels = (int) [ 1, 2 ]"
)
-)
+);
-GST_PAD_TEMPLATE_FACTORY (gst_lame_src_factory,
+static GstStaticPadTemplate gst_lame_src_template =
+GST_STATIC_PAD_TEMPLATE (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "gstlame_src",
- "audio/x-mp3",
- NULL
+ GST_STATIC_CAPS (
+ "audio/mpeg, "
+ "mpegversion = (int) 1, "
+ "layer = (int) 3, "
+ "rate = (int) { 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, "
+ "channels = (int) [ 1, 2 ]"
)
-)
+);
/********** Define useful types for non-programmatic interfaces **********/
#define GST_TYPE_LAME_MODE (gst_lame_mode_get_type())
ARG_EMPHASIS,
};
-
+static void gst_lame_base_init (gpointer g_class);
static void gst_lame_class_init (GstLameClass *klass);
static void gst_lame_init (GstLame *gst_lame);
const GValue *value, GParamSpec *pspec);
static void gst_lame_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
-static void gst_lame_chain (GstPad *pad, GstBuffer *buf);
+static void gst_lame_chain (GstPad *pad, GstData *_data);
static gboolean gst_lame_setup (GstLame *lame);
static GstElementStateReturn gst_lame_change_state (GstElement *element);
if (!gst_lame_type) {
static const GTypeInfo gst_lame_info = {
sizeof (GstLameClass),
- NULL,
+ gst_lame_base_init,
NULL,
(GClassInitFunc) gst_lame_class_init,
NULL,
0,
(GInstanceInitFunc) gst_lame_init,
};
+
+ static const GInterfaceInfo tag_setter_info = {
+ NULL,
+ NULL,
+ NULL
+ };
+
gst_lame_type = g_type_register_static (GST_TYPE_ELEMENT, "GstLame", &gst_lame_info, 0);
+ g_type_add_interface_static (gst_lame_type, GST_TYPE_TAG_SETTER, &tag_setter_info);
+
}
return gst_lame_type;
}
static void
+gst_lame_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_lame_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_lame_sink_template));
+ gst_element_class_set_details (element_class, &gst_lame_details);
+}
+
+static void
gst_lame_class_init (GstLameClass *klass)
{
GObjectClass *gobject_class;
}
static GstPadLinkReturn
-gst_lame_sinkconnect (GstPad *pad, GstCaps *caps)
+gst_lame_sink_link (GstPad *pad, const GstCaps *caps)
{
GstLame *lame;
+ gint out_samplerate;
+ GstStructure *structure;
+ GstCaps *othercaps;
lame = GST_LAME (gst_pad_get_parent (pad));
+ structure = gst_caps_get_structure (caps, 0);
- if (!GST_CAPS_IS_FIXED (caps)) {
- GST_DEBUG (GST_CAT_CAPS, "caps on lame pad %s:%s not fixed, delayed",
- GST_DEBUG_PAD_NAME (pad));
- return GST_PAD_LINK_DELAYED;
- }
-
- gst_caps_get_int (caps, "rate", &lame->samplerate);
- gst_caps_get_int (caps, "channels", &lame->num_channels);
+ gst_structure_get_int (structure, "rate", &lame->samplerate);
+ gst_structure_get_int (structure, "channels", &lame->num_channels);
if (!gst_lame_setup (lame)) {
- gst_element_error (GST_ELEMENT (lame),
- "could not initialize encoder (wrong parameters?)");
+ GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
+ ("could not initialize encoder (wrong parameters?)"));
return GST_PAD_LINK_REFUSED;
}
- return GST_PAD_LINK_OK;
+ out_samplerate = lame_get_out_samplerate (lame->lgf);
+ othercaps =
+ gst_caps_new_simple (
+ "audio/mpeg",
+ "mpegversion", G_TYPE_INT, 1,
+ "layer", G_TYPE_INT, 3,
+ "channels", G_TYPE_INT, lame->num_channels,
+ "rate", G_TYPE_INT, out_samplerate,
+ NULL
+ );
+
+ return gst_pad_try_set_caps (lame->srcpad, othercaps);
}
static void
gst_lame_init (GstLame *lame)
{
- GST_DEBUG_ENTER ("(\"%s\")", gst_element_get_name (GST_ELEMENT (lame)));
+ GST_DEBUG_OBJECT (lame, "starting initialization");
- lame->sinkpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (gst_lame_sink_factory), "sink");
+ lame->sinkpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_lame_sink_template), "sink");
gst_element_add_pad (GST_ELEMENT (lame), lame->sinkpad);
gst_pad_set_chain_function (lame->sinkpad, gst_lame_chain);
- gst_pad_set_link_function (lame->sinkpad, gst_lame_sinkconnect);
+ gst_pad_set_link_function (lame->sinkpad, gst_lame_sink_link);
- lame->srcpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (gst_lame_src_factory), "src");
+ lame->srcpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&gst_lame_src_template), "src");
gst_element_add_pad (GST_ELEMENT (lame), lame->srcpad);
GST_FLAG_SET (lame, GST_ELEMENT_EVENT_AWARE);
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "setting up lame encoder");
+ GST_DEBUG ("setting up lame encoder");
lame->lgf = lame_init ();
lame->samplerate = 44100;
lame->allow_diff_short = lame_get_allow_diff_short (lame->lgf);
lame->no_short_blocks = lame_get_no_short_blocks (lame->lgf);
lame->emphasis = lame_get_emphasis (lame->lgf);
+ lame->tags = gst_tag_list_new ();
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "done initializing lame element");
+ id3tag_init (lame->lgf);
+
+ GST_DEBUG_OBJECT (lame, "done initializing");
}
+typedef struct _GstLameTagMatch GstLameTagMatch;
+typedef void (*GstLameTagFunc)(lame_global_flags* gfp, const char *value);
+
+struct _GstLameTagMatch
+{
+ gchar *gstreamer_tag;
+ GstLameTagFunc tag_func;
+};
+
+static GstLameTagMatch tag_matches[] =
+ {
+ {GST_TAG_TITLE, id3tag_set_title},
+ {GST_TAG_DATE, id3tag_set_year},
+ {GST_TAG_TRACK_NUMBER, id3tag_set_track},
+ {GST_TAG_COMMENT, id3tag_set_comment},
+ {GST_TAG_ARTIST, id3tag_set_artist},
+ {GST_TAG_ALBUM, id3tag_set_album},
+ {GST_TAG_GENRE, (GstLameTagFunc)id3tag_set_genre},
+ {NULL, NULL}
+ };
+
+static void
+add_one_tag (const GstTagList *list, const gchar *tag,
+ gpointer user_data)
+{
+ GstLame *lame;
+ gchar *value;
+ int i = 0;
+
+ lame = GST_LAME (user_data);
+ g_return_if_fail (lame != NULL);
+
+ while (tag_matches[i].gstreamer_tag != NULL) {
+ if (strcmp (tag, tag_matches[i].gstreamer_tag) == 0) {
+ break;
+ }
+ i++;
+ }
+
+ if (tag_matches[i].tag_func == NULL) {
+ g_print ("Couldn't find matching gstreamer tag for %s\n", tag);
+ return;
+ }
+
+ switch (gst_tag_get_type (tag)) {
+ case G_TYPE_UINT: {
+ guint ivalue;
+ if (!gst_tag_list_get_uint (list, tag, &ivalue)) {
+ GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
+ return;
+ }
+ value = g_strdup_printf ("%u", ivalue);
+ break;
+ }
+ case G_TYPE_STRING:
+ if (!gst_tag_list_get_string (list, tag, &value)) {
+ GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
+ return;
+ };
+ break;
+ default:
+ GST_DEBUG ("Couldn't write tag %s", tag);
+ break;
+ }
+
+ tag_matches[i].tag_func (lame->lgf, value);
+
+ if (gst_tag_get_type (tag) == G_TYPE_UINT) {
+ g_free (value);
+ }
+}
+
+static void
+gst_lame_set_metadata (GstLame *lame)
+{
+ const GstTagList *user_tags;
+ GstTagList *copy;
+
+ g_return_if_fail (lame != NULL);
+ user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (lame));
+ if ((lame->tags == NULL) && (user_tags == NULL)) {
+ return;
+ }
+ copy = gst_tag_list_merge (user_tags, lame->tags,
+ gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame)));
+ gst_tag_list_foreach ((GstTagList*)copy, add_one_tag, lame);
+
+ gst_tag_list_free (copy);
+}
+
+
static void
gst_lame_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
}
static void
-gst_lame_chain (GstPad *pad, GstBuffer *buf)
+gst_lame_chain (GstPad *pad, GstData *_data)
{
+ GstBuffer *buf = GST_BUFFER (_data);
GstLame *lame;
GstBuffer *outbuf;
gchar *mp3_data = NULL;
lame = GST_LAME (gst_pad_get_parent (pad));
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "entered chain");
+ GST_DEBUG ("entered chain");
if (GST_IS_EVENT (buf)) {
switch (GST_EVENT_TYPE (buf)) {
case GST_EVENT_FLUSH:
mp3_buffer_size = 7200;
mp3_data = g_malloc (mp3_buffer_size);
-
- mp3_size = lame_encode_flush_nogap (lame->lgf, mp3_data, mp3_buffer_size);
+
+ mp3_size = lame_encode_flush (lame->lgf, mp3_data, mp3_buffer_size);
gst_event_unref (GST_EVENT (buf));
break;
+ case GST_EVENT_TAG:
+ if (lame->tags) {
+ gst_tag_list_insert (lame->tags, gst_event_tag_get_list (GST_EVENT (buf)),
+ gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame)));
+ } else {
+ g_assert_not_reached ();
+ }
+ // gst_pad_event_default (pad, GST_EVENT (buf));
+ break;
default:
gst_pad_event_default (pad, GST_EVENT (buf));
break;
if (!lame->initialized) {
gst_buffer_unref (buf);
- gst_element_error (GST_ELEMENT (lame), "encoder not initialized (input is not audio?)");
+ GST_ELEMENT_ERROR (lame, CORE, NEGOTIATION, (NULL),
+ ("encoder not initialized (input is not audio?)"));
return;
}
mp3_data, mp3_buffer_size);
}
- GST_DEBUG (GST_CAT_PLUGIN_INFO,
+ GST_DEBUG (
"encoded %d bytes of audio to %d bytes of mp3",
GST_BUFFER_SIZE (buf), mp3_size);
if (GST_BUFFER_DURATION (buf) != GST_CLOCK_TIME_NONE &&
GST_BUFFER_DURATION (buf) != duration)
- GST_DEBUG (GST_CAT_PLUGIN_INFO,
+ GST_DEBUG (
"mad: incoming buffer had incorrect duration %lld, "
"outgoing buffer will have correct duration %lld",
GST_BUFFER_DURATION (buf), duration);
GST_BUFFER_OFFSET (outbuf) = lame->last_offs;
GST_BUFFER_DURATION (outbuf) = lame->last_duration;
- gst_pad_push (lame->srcpad,outbuf);
+ gst_pad_push (lame->srcpad,GST_DATA (outbuf));
lame->last_ts = GST_CLOCK_TIME_NONE;
}
}
if (eos) {
- gst_pad_push (lame->srcpad, GST_BUFFER (gst_event_new (GST_EVENT_EOS)));
+ gst_pad_push (lame->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
gst_element_set_eos (GST_ELEMENT (lame));
}
}
static gboolean
gst_lame_setup (GstLame *lame)
{
- GST_DEBUG_ENTER ("(\"%s\")", gst_element_get_name (GST_ELEMENT (lame)));
+ GST_DEBUG_OBJECT (lame, "starting setup");
/* check if we're already initialized; if we are, we might want to check
* if this initialization is compatible with the previous one */
lame_set_no_short_blocks (lame->lgf, lame->no_short_blocks);
lame_set_emphasis (lame->lgf, lame->emphasis);
+ gst_lame_set_metadata (lame);
+
/* initialize the lame encoder */
if (lame_init_params (lame->lgf) < 0) {
lame->initialized = FALSE;
else {
lame->initialized = TRUE;
/* FIXME: it would be nice to print out the mode here */
- GST_INFO (GST_CAT_PLUGIN_INFO,
+ GST_INFO (
"lame encoder initialized (%d kbit/s, %d Hz, %d channels)",
lame->bitrate, lame->samplerate, lame->num_channels);
}
- GST_DEBUG_LEAVE ("");
+ GST_DEBUG_OBJECT (lame, "done with setup");
return lame->initialized;
}
lame = GST_LAME (element);
- GST_DEBUG (0,"state pending %d", GST_STATE_PENDING (element));
+ GST_DEBUG ("state pending %d", GST_STATE_PENDING (element));
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_READY_TO_PAUSED:
}
static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
+plugin_init (GstPlugin *plugin)
{
- GstElementFactory *factory;
-
- /* create an elementfactory for the gst_lame element */
- factory = gst_element_factory_new ("lame", GST_TYPE_LAME,
- &gst_lame_details);
- g_return_val_if_fail (factory != NULL, FALSE);
-
- /* register the source's padtemplate */
- gst_element_factory_add_pad_template (factory,
- GST_PAD_TEMPLATE_GET (gst_lame_src_factory));
-
- /* register the sink's padtemplate */
- gst_element_factory_add_pad_template (factory,
- GST_PAD_TEMPLATE_GET (gst_lame_sink_factory));
-
- /* and add the gst_lame element factory to the plugin */
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
+ if (!gst_element_register (plugin, "lame", GST_RANK_NONE, GST_TYPE_LAME))
+ return FALSE;
+
return TRUE;
}
-GstPluginDesc plugin_desc = {
+GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"lame",
- plugin_init
-};
+ "Encode MP3's with LAME",
+ plugin_init,
+ VERSION,
+ "LGPL",
+ GST_PACKAGE,
+ GST_ORIGIN)