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flxdec: port to 0.11

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This commit is contained in:
Mark Nauwelaerts 2012-04-13 16:54:46 +02:00
parent 64045ba909
commit 40cfe6787b
3 changed files with 75 additions and 130 deletions
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2
configure.ac
View file

@ -308,7 +308,7 @@ dnl *** plug-ins to include ***
dnl Non ported plugins (non-dependant, then dependant)
dnl Make sure you have a space before and after all plugins
GST_PLUGINS_NONPORTED="deinterlace flx \
GST_PLUGINS_NONPORTED="deinterlace \
cairo cairo_gobject dv1394 gdk_pixbuf \
oss oss4 \
osx_video osx_audio "

201
gst/flx/gstflxdec.c
View file

@ -51,23 +51,23 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
static GstStaticPadTemplate src_video_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
#if G_BYTE_ORDER == G_BIG_ENDIAN
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("xRGB"))
#else
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("BGRx"))
#endif
);
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 GstFlowReturn gst_flxdec_chain (GstPad * pad, GstObject * parent,
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 gboolean gst_flxdec_src_query_handler (GstPad * pad, GstObject * parent,
GstQuery * query);
static void flx_decode_color (GstFlxDec *, guchar *, guchar *, gint);
static void flx_decode_brun (GstFlxDec *, guchar *, guchar *);
@ -76,46 +76,8 @@ static void flx_decode_delta_flc (GstFlxDec *, guchar *, guchar *);
#define rndalign(off) ((off) + ((off) & 1))
static GstElementClass *parent_class = NULL;
GType
gst_flxdec_get_type (void)
{
static GType flxdec_type = 0;
if (!flxdec_type) {
static const GTypeInfo flxdec_info = {
sizeof (GstFlxDecClass),
(GBaseInitFunc) gst_flxdec_base_init,
NULL,
(GClassInitFunc) gst_flxdec_class_init,
NULL,
NULL,
sizeof (GstFlxDec),
0,
(GInstanceInitFunc) gst_flxdec_init,
};
flxdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstFlxDec", &flxdec_info, 0);
}
return flxdec_type;
}
static void
gst_flxdec_base_init (GstFlxDecClass * klass)
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_static_metadata (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,
gst_static_pad_template_get (&src_video_factory));
}
#define gst_flxdec_parent_class parent_class
G_DEFINE_TYPE (GstFlxDec, gst_flxdec, GST_TYPE_ELEMENT);
static void
gst_flxdec_class_init (GstFlxDecClass * klass)
@ -132,7 +94,16 @@ gst_flxdec_class_init (GstFlxDecClass * klass)
GST_DEBUG_CATEGORY_INIT (flxdec_debug, "flxdec", 0, "FLX video decoder");
gstelement_class->change_state = gst_flxdec_change_state;
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_flxdec_change_state);
gst_element_class_set_static_metadata (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,
gst_static_pad_template_get (&src_video_factory));
}
static void
@ -140,19 +111,16 @@ gst_flxdec_init (GstFlxDec * flxdec)
{
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);
gst_pad_set_chain_function (flxdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_flxdec_chain));
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_set_query_function (flxdec->srcpad,
GST_DEBUG_FUNCPTR (gst_flxdec_src_query_handler));
gst_pad_use_fixed_caps (flxdec->srcpad);
flxdec->frame = NULL;
flxdec->delta = NULL;
flxdec->adapter = gst_adapter_new ();
}
@ -168,9 +136,10 @@ gst_flxdec_dispose (GstFlxDec * flxdec)
}
static gboolean
gst_flxdec_src_query_handler (GstPad * pad, GstQuery * query)
gst_flxdec_src_query_handler (GstPad * pad, GstObject * parent,
GstQuery * query)
{
GstFlxDec *flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
GstFlxDec *flxdec = (GstFlxDec *) parent;
gboolean ret = FALSE;
switch (GST_QUERY_TYPE (query)) {
@ -191,40 +160,12 @@ gst_flxdec_src_query_handler (GstPad * pad, GstQuery * query)
break;
}
done:
gst_object_unref (flxdec);
if (!ret)
ret = gst_pad_query_default (pad, parent, query);
return ret;
}
static gboolean
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);
gst_object_unref (flxdec);
return ret;
}
static gboolean
gst_flxdec_sink_event_handler (GstPad * pad, GstEvent * event)
{
GstFlxDec *flxdec;
gboolean ret;
flxdec = GST_FLXDEC (gst_pad_get_parent (pad));
ret = gst_pad_push_event (flxdec->srcpad, event);
gst_object_unref (flxdec);
return ret;
}
static void
flx_decode_chunks (GstFlxDec * flxdec, gulong count, guchar * data,
guchar * dest)
@ -359,11 +300,10 @@ flx_decode_delta_fli (GstFlxDec * flxdec, guchar * data, guchar * dest)
guchar *start_p, x;
g_return_if_fail (flxdec != NULL);
g_return_if_fail (flxdec->delta != NULL);
g_return_if_fail (flxdec->delta_data != NULL);
/* use last frame for delta */
memcpy (dest, GST_BUFFER_DATA (flxdec->delta),
GST_BUFFER_SIZE (flxdec->delta));
memcpy (dest, flxdec->delta_data, flxdec->size);
start_line = (data[0] + (data[1] << 8));
lines = (data[2] + (data[3] << 8));
@ -410,11 +350,10 @@ flx_decode_delta_flc (GstFlxDec * flxdec, guchar * data, guchar * dest)
guchar *start_p;
g_return_if_fail (flxdec != NULL);
g_return_if_fail (flxdec->delta != NULL);
g_return_if_fail (flxdec->delta_data != NULL);
/* use last frame for delta */
memcpy (dest, GST_BUFFER_DATA (flxdec->delta),
GST_BUFFER_SIZE (flxdec->delta));
memcpy (dest, flxdec->delta_data, flxdec->size);
lines = (data[0] + (data[1] << 8));
data += 2;
@ -469,7 +408,7 @@ flx_decode_delta_flc (GstFlxDec * flxdec, guchar * data, guchar * dest)
}
static GstFlowReturn
gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
gst_flxdec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstCaps *caps;
guint avail;
@ -479,7 +418,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
FlxHeader *flxh;
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
flxdec = (GstFlxDec *) parent;
g_return_val_if_fail (flxdec != NULL, GST_FLOW_ERROR);
gst_adapter_push (flxdec->adapter, buf);
@ -487,10 +426,12 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
if (flxdec->state == GST_FLXDEC_READ_HEADER) {
if (avail >= FlxHeaderSize) {
const guint8 *data = gst_adapter_peek (flxdec->adapter, FlxHeaderSize);
const guint8 *data = gst_adapter_map (flxdec->adapter, FlxHeaderSize);
GstCaps *templ;
memcpy ((gchar *) & flxdec->hdr, data, FlxHeaderSize);
FLX_HDR_FIX_ENDIANNESS (&(flxdec->hdr));
gst_adapter_unmap (flxdec->adapter);
gst_adapter_flush (flxdec->adapter, FlxHeaderSize);
flxh = &flxdec->hdr;
@ -521,7 +462,9 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
GST_LOG ("duration : %" GST_TIME_FORMAT,
GST_TIME_ARGS (flxdec->duration));
caps = gst_caps_from_string (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN);
templ = gst_pad_get_pad_template_caps (flxdec->srcpad);
caps = gst_caps_copy (templ);
gst_caps_unref (templ);
gst_caps_set_simple (caps,
"width", G_TYPE_INT, flxh->width,
"height", G_TYPE_INT, flxh->height,
@ -545,14 +488,8 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
flxdec->size = (flxh->width * flxh->height);
/* create delta and output frame */
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->frame_data = g_malloc (flxdec->size);
flxdec->delta_data = g_malloc (flxdec->size);
flxdec->state = GST_FLXDEC_PLAYING;
}
@ -560,15 +497,17 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
GstBuffer *out;
/* while we have enough data in the adapter */
while (avail >= FlxFrameChunkSize) {
while (avail >= FlxFrameChunkSize && res == GST_FLOW_OK) {
FlxFrameChunk flxfh;
guchar *chunk;
const guint8 *data;
GstMapInfo map;
chunk = NULL;
data = gst_adapter_peek (flxdec->adapter, FlxFrameChunkSize);
data = gst_adapter_map (flxdec->adapter, FlxFrameChunkSize);
memcpy (&flxfh, data, FlxFrameChunkSize);
FLX_FRAME_CHUNK_FIX_ENDIANNESS (&flxfh);
gst_adapter_unmap (flxdec->adapter);
switch (flxfh.id) {
case FLX_FRAME_TYPE:
@ -586,29 +525,32 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
break;
/* create 32 bits output frame */
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;
// 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;
out = gst_buffer_new_and_alloc (flxdec->size * 4);
/* decode chunks */
flx_decode_chunks (flxdec,
((FlxFrameType *) chunk)->chunks,
chunk + FlxFrameTypeSize, GST_BUFFER_DATA (flxdec->frame));
chunk + FlxFrameTypeSize, flxdec->frame_data);
/* save copy of the current frame for possible delta. */
memcpy (GST_BUFFER_DATA (flxdec->delta),
GST_BUFFER_DATA (flxdec->frame), GST_BUFFER_SIZE (flxdec->delta));
memcpy (flxdec->delta_data, flxdec->frame_data, flxdec->size);
gst_buffer_map (out, &map, GST_MAP_WRITE);
/* convert current frame. */
flx_colorspace_convert (flxdec->converter,
GST_BUFFER_DATA (flxdec->frame), GST_BUFFER_DATA (out));
flx_colorspace_convert (flxdec->converter, flxdec->frame_data,
map.data);
gst_buffer_unmap (out, &map);
GST_BUFFER_TIMESTAMP (out) = flxdec->next_time;
flxdec->next_time += flxdec->frame_time;
gst_pad_push (flxdec->srcpad, out);
res = gst_pad_push (flxdec->srcpad, out);
break;
}
@ -619,7 +561,6 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
}
}
need_more_data:
gst_object_unref (flxdec);
return res;
/* ERRORS */
@ -653,19 +594,23 @@ gst_flxdec_change_state (GstElement * element, GstStateChange transition)
break;
}
ret = parent_class->change_state (element, transition);
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (flxdec->frame) {
gst_buffer_unref (flxdec->frame);
flxdec->frame = NULL;
if (flxdec->frame_data) {
g_free (flxdec->frame_data);
flxdec->frame_data = NULL;
}
if (flxdec->delta) {
gst_buffer_unref (flxdec->delta);
flxdec->delta = NULL;
if (flxdec->delta_data) {
g_free (flxdec->delta_data);
flxdec->delta_data = NULL;
}
if (flxdec->converter) {
flx_colorspace_converter_destroy (flxdec->converter);
flxdec->converter = NULL;
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:

2
gst/flx/gstflxdec.h
View file

@ -43,7 +43,7 @@ struct _GstFlxDec {
gboolean active, new_meta;
GstBuffer *delta, *frame;
guint8 *delta_data, *frame_data;
GstAdapter *adapter;
gulong size;
GstFlxDecState state;