* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+/**
+ * SECTION:element-flxdec
+ *
+ * This element decodes fli/flc/flx-video into raw video
+ */
+/*
+ * http://www.coolutils.com/Formats/FLI
+ * http://woodshole.er.usgs.gov/operations/modeling/flc.html
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
GST_DEBUG_CATEGORY_STATIC (flxdec_debug);
#define GST_CAT_DEFAULT flxdec_debug
-/* flx element information */
-static GstElementDetails flxdec_details = {
- "FLX Decoder",
- "Codec/Decoder/Audio",
- "FLX decoder",
- "Sepp Wijnands <mrrazz@garbage-coderz.net>, Zeeshan Ali <zeenix@gmail.com>"
-};
-
-/* Flx signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
/* input */
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
static void gst_flxdec_class_init (GstFlxDecClass * klass);
static void gst_flxdec_base_init (GstFlxDecClass * klass);
static void gst_flxdec_init (GstFlxDec * flxdec);
+static void gst_flxdec_dispose (GstFlxDec * flxdec);
static GstFlowReturn gst_flxdec_chain (GstPad * pad, GstBuffer * buf);
static GstStateChangeReturn gst_flxdec_change_state (GstElement * element,
GstStateChange transition);
+static gboolean gst_flxdec_src_query_handler (GstPad * pad, GstQuery * query);
static gboolean gst_flxdec_src_event_handler (GstPad * pad, GstEvent * event);
static gboolean gst_flxdec_sink_event_handler (GstPad * pad, GstEvent * event);
-static void gst_flxdec_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_flxdec_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-
static void flx_decode_color (GstFlxDec *, guchar *, guchar *, gint);
static void flx_decode_brun (GstFlxDec *, guchar *, guchar *);
static void flx_decode_delta_fli (GstFlxDec *, guchar *, guchar *);
static void flx_decode_delta_flc (GstFlxDec *, guchar *, guchar *);
-#define rndalign(off) ((off) + ((off) % 2))
+#define rndalign(off) ((off) + ((off) & 1))
static GstElementClass *parent_class = NULL;
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
- gst_element_class_set_details (gstelement_class, &flxdec_details);
+ gst_element_class_set_details_simple (gstelement_class, "FLX video decoder",
+ "Codec/Decoder/Video",
+ "FLC/FLI/FLX video decoder",
+ "Sepp Wijnands <mrrazz@garbage-coderz.net>, Zeeshan Ali <zeenix@gmail.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_add_pad_template (gstelement_class,
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+ parent_class = g_type_class_peek_parent (klass);
- GST_DEBUG_CATEGORY_INIT (flxdec_debug, "flxdec", 0, "FLX video decoder");
+ gobject_class->dispose = (GObjectFinalizeFunc) gst_flxdec_dispose;
- gobject_class->set_property = gst_flxdec_set_property;
- gobject_class->get_property = gst_flxdec_get_property;
+ GST_DEBUG_CATEGORY_INIT (flxdec_debug, "flxdec", 0, "FLX video decoder");
gstelement_class->change_state = gst_flxdec_change_state;
}
static void
gst_flxdec_init (GstFlxDec * flxdec)
{
- flxdec->sinkpad =
- gst_pad_new_from_template (gst_static_pad_template_get (&sink_factory),
- "sink");
+ flxdec->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->sinkpad);
gst_pad_set_chain_function (flxdec->sinkpad, gst_flxdec_chain);
gst_pad_set_event_function (flxdec->sinkpad, gst_flxdec_sink_event_handler);
- flxdec->srcpad =
- gst_pad_new_from_template (gst_static_pad_template_get
- (&src_video_factory), "src");
+ flxdec->srcpad = gst_pad_new_from_static_template (&src_video_factory, "src");
gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->srcpad);
+ gst_pad_set_query_function (flxdec->srcpad, gst_flxdec_src_query_handler);
gst_pad_set_event_function (flxdec->srcpad, gst_flxdec_src_event_handler);
gst_pad_use_fixed_caps (flxdec->srcpad);
flxdec->adapter = gst_adapter_new ();
}
+static void
+gst_flxdec_dispose (GstFlxDec * flxdec)
+{
+ if (flxdec->adapter) {
+ g_object_unref (flxdec->adapter);
+ flxdec->adapter = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose ((GObject *) flxdec);
+}
+
static gboolean
-gst_flxdec_src_event_handler (GstPad * pad, GstEvent * event)
+gst_flxdec_src_query_handler (GstPad * pad, GstQuery * query)
{
GstFlxDec *flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
+ gboolean ret = FALSE;
- g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_DURATION:
+ {
+ GstFormat format;
- /* TODO: implement the seek and other event handling */
+ gst_query_parse_duration (query, &format, NULL);
- return gst_pad_push_event (flxdec->sinkpad, event);
+ if (format != GST_FORMAT_TIME)
+ goto done;
+
+ gst_query_set_duration (query, format, flxdec->duration);
+
+ ret = TRUE;
+ }
+ default:
+ break;
+ }
+done:
+ gst_object_unref (flxdec);
+
+ return ret;
}
static gboolean
-gst_flxdec_sink_event_handler (GstPad * pad, GstEvent * event)
+gst_flxdec_src_event_handler (GstPad * pad, GstEvent * event)
{
GstFlxDec *flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
+ gboolean ret;
+
+ /* TODO: implement the seek and other event handling */
+
+ ret = gst_pad_push_event (flxdec->sinkpad, event);
- g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
+ gst_object_unref (flxdec);
- if (GST_EVENT_TYPE (event) == GST_EVENT_EOS ||
- GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT)
- GST_STREAM_LOCK (flxdec->srcpad);
+ return ret;
+}
+
+static gboolean
+gst_flxdec_sink_event_handler (GstPad * pad, GstEvent * event)
+{
+ GstFlxDec *flxdec;
+ gboolean ret;
- gst_pad_push_event (flxdec->srcpad, gst_event_ref (event));
+ flxdec = GST_FLXDEC (gst_pad_get_parent (pad));
- if (GST_EVENT_TYPE (event) == GST_EVENT_EOS ||
- GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT)
- GST_STREAM_UNLOCK (flxdec->srcpad);
+ ret = gst_pad_push_event (flxdec->srcpad, event);
- return TRUE;
+ gst_object_unref (flxdec);
+ return ret;
}
static void
while (count--) {
hdr = (FlxFrameChunk *) data;
+ FLX_FRAME_CHUNK_FIX_ENDIANNESS (hdr);
data += FlxFrameChunkSize;
switch (hdr->id) {
if (count == 0)
count = 256;
- GST_LOG ("GstFlxDec: cmap count: %d (indx: %d)\n", count, indx);
+ GST_LOG ("GstFlxDec: cmap count: %d (indx: %d)", count, indx);
flx_set_palette_vector (flxdec->converter, indx, count, data, scale);
data += (count * 3);
static void
flx_decode_delta_fli (GstFlxDec * flxdec, guchar * data, guchar * dest)
{
- gulong count, packets, lines, start_line, start_l;
+ gulong count, packets, lines, start_line;
guchar *start_p, x;
g_return_if_fail (flxdec != NULL);
/* start position of delta */
dest += (flxdec->hdr.width * start_line);
start_p = dest;
- start_l = lines;
while (lines--) {
/* packet count */
const guint8 *data = gst_adapter_peek (flxdec->adapter, FlxHeaderSize);
memcpy ((gchar *) & flxdec->hdr, data, FlxHeaderSize);
+ FLX_HDR_FIX_ENDIANNESS (&(flxdec->hdr));
gst_adapter_flush (flxdec->adapter, FlxHeaderSize);
flxh = &flxdec->hdr;
/* check header */
if (flxh->type != FLX_MAGICHDR_FLI &&
- flxh->type != FLX_MAGICHDR_FLC && flxh->type != FLX_MAGICHDR_FLX) {
- GST_ELEMENT_ERROR (flxdec, STREAM, WRONG_TYPE, (NULL),
- ("not a flx file (type %d)\n", flxh->type));
- return GST_FLOW_ERROR;
- }
+ flxh->type != FLX_MAGICHDR_FLC && flxh->type != FLX_MAGICHDR_FLX)
+ goto wrong_type;
-
- GST_LOG ("size : %d\n", flxh->size);
- GST_LOG ("frames : %d\n", flxh->frames);
- GST_LOG ("width : %d\n", flxh->width);
- GST_LOG ("height : %d\n", flxh->height);
- GST_LOG ("depth : %d\n", flxh->depth);
- GST_LOG ("speed : %d\n", flxh->speed);
+ GST_LOG ("size : %d", flxh->size);
+ GST_LOG ("frames : %d", flxh->frames);
+ GST_LOG ("width : %d", flxh->width);
+ GST_LOG ("height : %d", flxh->height);
+ GST_LOG ("depth : %d", flxh->depth);
+ GST_LOG ("speed : %d", flxh->speed);
flxdec->next_time = 0;
if (flxh->type == FLX_MAGICHDR_FLI) {
flxdec->frame_time = JIFFIE * flxh->speed;
+ } else if (flxh->speed == 0) {
+ flxdec->frame_time = GST_SECOND / 70;
} else {
flxdec->frame_time = flxh->speed * GST_MSECOND;
}
+ flxdec->duration = flxh->frames * flxdec->frame_time;
+ GST_LOG ("duration : %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (flxdec->duration));
+
caps = gst_caps_from_string (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN);
gst_caps_set_simple (caps,
"width", G_TYPE_INT, flxh->width,
"height", G_TYPE_INT, flxh->height,
- "framerate", G_TYPE_DOUBLE,
- (gdouble) (GST_SECOND / flxdec->frame_time), NULL);
+ "framerate", GST_TYPE_FRACTION, (gint) GST_MSECOND,
+ (gint) flxdec->frame_time / 1000, NULL);
gst_pad_set_caps (flxdec->srcpad, caps);
gst_caps_unref (caps);
flx_colorspace_converter_new (flxh->width, flxh->height);
if (flxh->type == FLX_MAGICHDR_FLC || flxh->type == FLX_MAGICHDR_FLX) {
- GST_LOG ("(FLC) aspect_dx : %d\n", flxh->aspect_dx);
- GST_LOG ("(FLC) aspect_dy : %d\n", flxh->aspect_dy);
- GST_LOG ("(FLC) oframe1 : 0x%08x\n", flxh->oframe1);
- GST_LOG ("(FLC) oframe2 : 0x%08x\n", flxh->oframe2);
+ GST_LOG ("(FLC) aspect_dx : %d", flxh->aspect_dx);
+ GST_LOG ("(FLC) aspect_dy : %d", flxh->aspect_dy);
+ GST_LOG ("(FLC) oframe1 : 0x%08x", flxh->oframe1);
+ GST_LOG ("(FLC) oframe2 : 0x%08x", flxh->oframe2);
}
flxdec->size = (flxh->width * flxh->height);
flxdec->frame = gst_buffer_new ();
flxdec->delta = gst_buffer_new ();
GST_BUFFER_DATA (flxdec->frame) = g_malloc (flxdec->size);
+ GST_BUFFER_MALLOCDATA (flxdec->frame) = GST_BUFFER_DATA (flxdec->frame);
GST_BUFFER_SIZE (flxdec->frame) = flxdec->size;
GST_BUFFER_DATA (flxdec->delta) = g_malloc (flxdec->size);
+ GST_BUFFER_MALLOCDATA (flxdec->delta) = GST_BUFFER_DATA (flxdec->delta);
GST_BUFFER_SIZE (flxdec->delta) = flxdec->size;
flxdec->state = GST_FLXDEC_PLAYING;
} else if (flxdec->state == GST_FLXDEC_PLAYING) {
GstBuffer *out;
- if (avail >= FlxFrameChunkSize) {
+ /* while we have enough data in the adapter */
+ while (avail >= FlxFrameChunkSize) {
FlxFrameChunk flxfh;
- guchar *chunk = NULL;
- guint to_flush = 0;
- const guint8 *data =
- gst_adapter_peek (flxdec->adapter, FlxFrameChunkSize);
+ guchar *chunk;
+ const guint8 *data;
+
+ chunk = NULL;
+ data = gst_adapter_peek (flxdec->adapter, FlxFrameChunkSize);
memcpy (&flxfh, data, FlxFrameChunkSize);
+ FLX_FRAME_CHUNK_FIX_ENDIANNESS (&flxfh);
switch (flxfh.id) {
case FLX_FRAME_TYPE:
- if (avail < flxfh.size) {
- break;
- }
+ /* check if we have the complete frame */
+ if (avail < flxfh.size)
+ goto need_more_data;
+ /* flush header */
gst_adapter_flush (flxdec->adapter, FlxFrameChunkSize);
- data = gst_adapter_peek (flxdec->adapter,
- flxfh.size - FlxFrameChunkSize);
- chunk = g_memdup (data, flxfh.size - FlxFrameChunkSize);
- to_flush = flxfh.size - FlxFrameChunkSize;
+ chunk = gst_adapter_take (flxdec->adapter,
+ flxfh.size - FlxFrameChunkSize);
+ FLX_FRAME_TYPE_FIX_ENDIANNESS ((FlxFrameType *) chunk);
if (((FlxFrameType *) chunk)->chunks == 0)
break;
/* create 32 bits output frame */
- res = gst_pad_alloc_buffer (flxdec->srcpad,
+ res = gst_pad_alloc_buffer_and_set_caps (flxdec->srcpad,
GST_BUFFER_OFFSET_NONE,
flxdec->size * 4, GST_PAD_CAPS (flxdec->srcpad), &out);
-
if (res != GST_FLOW_OK)
break;
break;
}
- gst_adapter_flush (flxdec->adapter, to_flush);
-
if (chunk)
g_free (chunk);
+
+ avail = gst_adapter_available (flxdec->adapter);
}
}
-
+need_more_data:
+ gst_object_unref (flxdec);
return res;
+
+ /* ERRORS */
+wrong_type:
+ {
+ GST_ELEMENT_ERROR (flxdec, STREAM, WRONG_TYPE, (NULL),
+ ("not a flx file (type %x)", flxh->type));
+ gst_object_unref (flxdec);
+ return GST_FLOW_ERROR;
+ }
}
static GstStateChangeReturn
gst_flxdec_change_state (GstElement * element, GstStateChange transition)
{
GstFlxDec *flxdec;
+ GstStateChangeReturn ret;
flxdec = GST_FLXDEC (element);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
+ default:
+ break;
+ }
+
+ ret = parent_class->change_state (element, transition);
+
+ switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_buffer_unref (flxdec->frame);
- flxdec->frame = NULL;
- gst_buffer_unref (flxdec->delta);
- flxdec->delta = NULL;
+ if (flxdec->frame) {
+ gst_buffer_unref (flxdec->frame);
+ flxdec->frame = NULL;
+ }
+ if (flxdec->delta) {
+ gst_buffer_unref (flxdec->delta);
+ flxdec->delta = NULL;
+ }
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
- }
-
- return parent_class->change_state (element, transition);
-
- //return GST_STATE_CHANGE_SUCCESS;
-}
-
-static void
-gst_flxdec_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
-{
- GstFlxDec *flxdec;
-
- g_return_if_fail (GST_IS_FLXDEC (object));
- flxdec = GST_FLXDEC (object);
-
- switch (prop_id) {
- default:
- break;
- }
-}
-
-static void
-gst_flxdec_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstFlxDec *flxdec;
-
- g_return_if_fail (GST_IS_FLXDEC (object));
- flxdec = GST_FLXDEC (object);
-
- switch (prop_id) {
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
+ return ret;
}
static gboolean
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"flxdec",
- "FLX video decoder",
- plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
+ "FLC/FLI/FLX video decoder",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
projects / platform / upstream / gst-plugins-good.git / blobdiff