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authorOlivier CrĂȘte <olivier.crete@collabora.com>2012-09-12 18:34:03 -0400
committerOlivier CrĂȘte <olivier.crete@collabora.com>2012-09-12 18:35:04 -0400
commit6a66ebf784290950c64a6596a88653950cf57d4a (patch)
tree141220ed4cac15a8f9a4ab73e3ef3c5f44be70f9
parentbfb56f83804b314f00fb12b2ce3e117e1e6df9a0 (diff)
downloadgstreamer-plugins-bad-6a66ebf784290950c64a6596a88653950cf57d4a.tar.gz
pnm: Port to 1.0 API
-rw-r--r--configure.ac2
-rw-r--r--gst/pnm/gstpnmdec.c123
-rw-r--r--gst/pnm/gstpnmdec.h2
-rw-r--r--gst/pnm/gstpnmenc.c118
-rw-r--r--gst/pnm/gstpnmenc.h4
5 files changed, 143 insertions, 106 deletions
diff --git a/configure.ac b/configure.ac
index 50e1ebed8..9a84ff39b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -317,7 +317,7 @@ GST_PLUGINS_NONPORTED=" aiff \
hdvparse inter ivfparse jp2kdecimator \
kate librfb \
mpegpsmux mve mxf mythtv nsf nuvdemux \
- patchdetect pnm real \
+ patchdetect real \
sdi subenc stereo tta videofilters \
videomeasure videosignal vmnc \
decklink fbdev linsys vcd \
diff --git a/gst/pnm/gstpnmdec.c b/gst/pnm/gstpnmdec.c
index 394e86d12..56dcb8e32 100644
--- a/gst/pnm/gstpnmdec.c
+++ b/gst/pnm/gstpnmdec.c
@@ -30,6 +30,10 @@
* </refsect2>
*/
+/*
+ * FIXME: Port to GstVideoDecoder
+ */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -44,16 +48,14 @@
static GstStaticPadTemplate gst_pnmdec_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
- "video/x-raw-gray, width =" GST_VIDEO_SIZE_RANGE ", "
- "height =" GST_VIDEO_SIZE_RANGE ", framerate =" GST_VIDEO_FPS_RANGE ", "
- "bpp= (int) 8, depth= (int) 8"));
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB") "; "
+ GST_VIDEO_CAPS_MAKE ("GRAY8")));
static GstStaticPadTemplate gst_pnmdec_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS (MIME_ALL));
-GST_BOILERPLATE (GstPnmdec, gst_pnmdec, GstElement, GST_TYPE_ELEMENT);
+G_DEFINE_TYPE (GstPnmdec, gst_pnmdec, GST_TYPE_ELEMENT);
static GstFlowReturn
gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
@@ -64,6 +66,7 @@ gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
guint o_rowstride;
GstBuffer *obuf;
guint i;
+ GstMapInfo imap, omap;
if (s->mngr.info.type == GST_PNM_TYPE_PIXMAP) {
i_rowstride = 3 * s->mngr.info.width;
@@ -75,12 +78,15 @@ gst_pnmdec_push (GstPnmdec * s, GstPad * src, GstBuffer * buf)
obuf = gst_buffer_new_and_alloc (o_rowstride * s->mngr.info.height);
- gst_buffer_copy_metadata (obuf, buf, GST_BUFFER_COPY_ALL);
+ gst_buffer_copy_into (obuf, buf, GST_BUFFER_COPY_METADATA, 0, 0);
+ gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
+ gst_buffer_map (buf, &imap, GST_MAP_READ);
for (i = 0; i < s->mngr.info.height; i++)
- memcpy (GST_BUFFER_DATA (obuf) + i * o_rowstride,
- GST_BUFFER_DATA (buf) + i * i_rowstride, i_rowstride);
-
+ memcpy (omap.data + i * o_rowstride, imap.data + i * i_rowstride,
+ i_rowstride);
+ gst_buffer_unmap (buf, &imap);
+ gst_buffer_unmap (obuf, &omap);
gst_buffer_unref (buf);
return gst_pad_push (src, obuf);
} else {
@@ -95,10 +101,9 @@ gst_pnmdec_chain_raw (GstPnmdec * s, GstPad * src, GstBuffer * buf)
GstBuffer *out;
/* If we got the whole image, just push the buffer. */
- if (GST_BUFFER_SIZE (buf) == s->size) {
+ if (gst_buffer_get_size (buf) == s->size) {
memset (&s->mngr, 0, sizeof (GstPnmInfoMngr));
s->size = 0;
- gst_buffer_set_caps (buf, GST_PAD_CAPS (src));
return gst_pnmdec_push (s, src, buf);
}
@@ -106,18 +111,14 @@ gst_pnmdec_chain_raw (GstPnmdec * s, GstPad * src, GstBuffer * buf)
if (!s->buf) {
s->buf = buf;
} else {
- out = gst_buffer_span (s->buf, 0, buf,
- GST_BUFFER_SIZE (s->buf) + GST_BUFFER_SIZE (buf));
- gst_buffer_unref (buf);
- gst_buffer_unref (s->buf);
+ out = gst_buffer_append (s->buf, buf);
s->buf = out;
}
if (!s->buf)
return GST_FLOW_ERROR;
/* Do we now have the full image? If yes, push. */
- if (GST_BUFFER_SIZE (s->buf) == s->size) {
- gst_buffer_set_caps (s->buf, GST_PAD_CAPS (src));
+ if (gst_buffer_get_size (s->buf) == s->size) {
r = gst_pnmdec_push (s, src, s->buf);
s->buf = NULL;
memset (&s->mngr, 0, sizeof (GstPnmInfoMngr));
@@ -133,35 +134,40 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
GScanner *scanner;
GstBuffer *out;
guint i = 0;
- gchar *b = (gchar *) GST_BUFFER_DATA (buf);
- guint bs = GST_BUFFER_SIZE (buf);
- guint target = s->size - (s->buf ? GST_BUFFER_SIZE (s->buf) : 0);
+ gchar *b;
+ guint bs;
+ guint target;
+ GstMapInfo map;
+ GstMapInfo outmap;
- if (!bs) {
- gst_buffer_unref (buf);
- return GST_FLOW_OK;
- }
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+ b = (gchar *) map.data;
+ bs = map.size;
+ target = s->size - (s->buf ? map.size : 0);
+
+ if (!bs)
+ goto drop_ok;
if (s->last_byte) {
while (*b >= '0' && *b <= '9') {
s->last_byte = 10 * s->last_byte + *b - '0';
b++;
if (!--bs) {
- gst_buffer_unref (buf);
- return GST_FLOW_OK;
+ goto drop_error;
}
}
if (s->last_byte > 255) {
- gst_buffer_unref (buf);
GST_DEBUG_OBJECT (s, "Corrupt ASCII encoded PNM file.");
- return GST_FLOW_ERROR;
+ goto drop_error;
}
}
out = gst_buffer_new_and_alloc (target);
+ gst_buffer_map (out, &outmap, GST_MAP_READWRITE);
+
if (s->last_byte) {
- GST_BUFFER_DATA (out)[i++] = s->last_byte;
+ outmap.data[i++] = s->last_byte;
s->last_byte = 0;
}
@@ -172,11 +178,11 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
case G_TOKEN_INT:
if (i == target) {
GST_DEBUG_OBJECT (s, "PNM file contains too much data.");
- gst_buffer_unref (buf);
+ gst_buffer_unmap (out, &outmap);
gst_buffer_unref (out);
- return GST_FLOW_ERROR;
+ goto drop_error;
}
- GST_BUFFER_DATA (out)[i++] = scanner->value.v_int;
+ outmap.data[i++] = scanner->value.v_int;
break;
default:
/* Should we care? */ ;
@@ -186,30 +192,47 @@ gst_pnmdec_chain_ascii (GstPnmdec * s, GstPad * src, GstBuffer * buf)
/* If we didn't get the whole image, handle the last byte with care. */
if (i && i < target && b[bs - 1] > '0' && b[bs - 1] <= '9')
- s->last_byte = GST_BUFFER_DATA (out)[--i];
+ s->last_byte = outmap.data[--i];
+ gst_buffer_unmap (buf, &map);
gst_buffer_unref (buf);
if (!i) {
gst_buffer_unref (out);
return GST_FLOW_OK;
}
- GST_BUFFER_SIZE (out) = i;
+ gst_buffer_set_size (out, i);
return gst_pnmdec_chain_raw (s, src, out);
+
+drop_ok:
+ gst_buffer_unmap (buf, &map);
+ gst_buffer_unref (buf);
+ return GST_FLOW_OK;
+
+drop_error:
+ gst_buffer_unmap (buf, &map);
+ gst_buffer_unref (buf);
+ return GST_FLOW_ERROR;
}
static GstFlowReturn
-gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
+gst_pnmdec_chain (GstPad * pad, GstObject * parent, GstBuffer * data)
{
- GstPnmdec *s = GST_PNMDEC (gst_pad_get_parent (pad));
+ GstPnmdec *s = GST_PNMDEC (parent);
GstPad *src = gst_element_get_static_pad (GST_ELEMENT (s), "src");
GstCaps *caps = NULL;
GstFlowReturn r = GST_FLOW_OK;
guint offset = 0;
if (s->mngr.info.fields != GST_PNM_INFO_FIELDS_ALL) {
- switch (gst_pnm_info_mngr_scan (&s->mngr, GST_BUFFER_DATA (data),
- GST_BUFFER_SIZE (data))) {
+ GstMapInfo map;
+ GstPnmInfoMngrResult res;
+
+ gst_buffer_map (data, &map, GST_MAP_READ);
+ res = gst_pnm_info_mngr_scan (&s->mngr, map.data, map.size);
+ gst_buffer_unmap (data, &map);
+
+ switch (res) {
case GST_PNM_INFO_MNGR_RESULT_FAILED:
gst_buffer_unref (data);
r = GST_FLOW_ERROR;
@@ -251,15 +274,15 @@ gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
}
}
- if (offset == GST_BUFFER_SIZE (data)) {
+ if (offset == gst_buffer_get_size (data)) {
gst_buffer_unref (data);
r = GST_FLOW_OK;
goto out;
}
if (offset) {
- GstBuffer *buf = gst_buffer_create_sub (data, offset,
- GST_BUFFER_SIZE (data) - offset);
+ GstBuffer *buf = gst_buffer_copy_region (data, GST_BUFFER_COPY_ALL, offset,
+ gst_buffer_get_size (data) - offset);
gst_buffer_unref (data);
data = buf;
}
@@ -271,7 +294,6 @@ gst_pnmdec_chain (GstPad * pad, GstBuffer * data)
out:
gst_object_unref (src);
- gst_object_unref (s);
return r;
}
@@ -286,11 +308,11 @@ gst_pnmdec_finalize (GObject * object)
dec->buf = NULL;
}
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ G_OBJECT_CLASS (gst_pnmdec_parent_class)->finalize (object);
}
static void
-gst_pnmdec_init (GstPnmdec * s, GstPnmdecClass * klass)
+gst_pnmdec_init (GstPnmdec * s)
{
GstPad *pad;
@@ -304,9 +326,10 @@ gst_pnmdec_init (GstPnmdec * s, GstPnmdecClass * klass)
}
static void
-gst_pnmdec_base_init (gpointer g_class)
+gst_pnmdec_class_init (GstPnmdecClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_pnmdec_sink_pad_template));
@@ -316,14 +339,6 @@ gst_pnmdec_base_init (gpointer g_class)
"Codec/Decoder/Image",
"Decodes images in portable pixmap/graymap/bitmap/anymamp (PNM) format",
"Lutz Mueller <lutz@users.sourceforge.net>");
-}
-
-static void
-gst_pnmdec_class_init (GstPnmdecClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
-
- parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gst_pnmdec_finalize;
}
diff --git a/gst/pnm/gstpnmdec.h b/gst/pnm/gstpnmdec.h
index edcb11e3b..5f1737400 100644
--- a/gst/pnm/gstpnmdec.h
+++ b/gst/pnm/gstpnmdec.h
@@ -20,7 +20,7 @@
#ifndef __GST_PNMDEC_H__
#define __GST_PNMDEC_H__
-#include <gst/gstelement.h>
+#include <gst/gst.h>
#include "gstpnmutils.h"
diff --git a/gst/pnm/gstpnmenc.c b/gst/pnm/gstpnmenc.c
index 53bd4a3ff..02490c204 100644
--- a/gst/pnm/gstpnmenc.c
+++ b/gst/pnm/gstpnmenc.c
@@ -32,6 +32,10 @@
* </refsect2>
*/
+/*
+ * FIXME: Port to GstVideoEncoder
+ */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -53,16 +57,15 @@ enum
static GstStaticPadTemplate sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB "; "
- "video/x-raw-gray, width =" GST_VIDEO_SIZE_RANGE ", "
- "height =" GST_VIDEO_SIZE_RANGE ", framerate =" GST_VIDEO_FPS_RANGE ", "
- "bpp= (int) 8, depth= (int) 8"));
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB") "; "
+ GST_VIDEO_CAPS_MAKE ("GRAY8")));
+
static GstStaticPadTemplate src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (MIME_ALL));
-GST_BOILERPLATE (GstPnmenc, gst_pnmenc, GstElement, GST_TYPE_ELEMENT);
+G_DEFINE_TYPE (GstPnmenc, gst_pnmenc, GST_TYPE_ELEMENT);
static void
gst_pnmenc_set_property (GObject * object, guint prop_id, const GValue * value,
@@ -101,9 +104,9 @@ gst_pnmenc_get_property (GObject * object, guint prop_id, GValue * value,
}
static GstFlowReturn
-gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
+gst_pnmenc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
- GstPnmenc *s = GST_PNMENC (gst_pad_get_parent (pad));
+ GstPnmenc *s = GST_PNMENC (parent);
GstFlowReturn r;
gchar *header;
GstBuffer *out;
@@ -112,9 +115,7 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
header = g_strdup_printf ("P%i\n%i %i\n%i\n",
s->info.type + 3 * (1 - s->info.encoding), s->info.width, s->info.height,
s->info.max);
- out = gst_buffer_new ();
- gst_buffer_set_data (out, (guchar *) header, strlen (header));
- gst_buffer_set_caps (out, GST_PAD_CAPS (s->src));
+ out = gst_buffer_new_wrapped (header, strlen (header));
if ((r = gst_pad_push (s->src, out)) != GST_FLOW_OK)
goto out;
@@ -124,6 +125,7 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
guint o_rowstride;
GstBuffer *obuf;
guint i;
+ GstMapInfo imap, omap;
if (s->info.type == GST_PNM_TYPE_PIXMAP) {
o_rowstride = 3 * s->info.width;
@@ -134,91 +136,114 @@ gst_pnmenc_chain (GstPad * pad, GstBuffer * buf)
}
obuf = gst_buffer_new_and_alloc (o_rowstride * s->info.height);
+ gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
+ gst_buffer_map (buf, &imap, GST_MAP_READ);
for (i = 0; i < s->info.height; i++)
- memcpy (GST_BUFFER_DATA (obuf) + o_rowstride * i,
- GST_BUFFER_DATA (buf) + i_rowstride * i, o_rowstride);
+ memcpy (omap.data + o_rowstride * i, imap.data + i_rowstride * i,
+ o_rowstride);
+ gst_buffer_unmap (buf, &imap);
+ gst_buffer_unmap (obuf, &omap);
gst_buffer_unref (buf);
buf = obuf;
} else {
/* Pass through the data. */
- buf = gst_buffer_make_metadata_writable (buf);
+ buf = gst_buffer_make_writable (buf);
}
/* We might need to convert to ASCII... */
if (s->info.encoding == GST_PNM_ENCODING_ASCII) {
GstBuffer *obuf;
guint i, o;
+ GstMapInfo imap, omap;
- obuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (buf) * (4 + 1 / 20.));
- for (i = o = 0; i < GST_BUFFER_SIZE (buf); i++) {
- g_snprintf ((char *) GST_BUFFER_DATA (obuf) + o, 4, "%3i",
- GST_BUFFER_DATA (buf)[i]);
+ gst_buffer_map (buf, &imap, GST_MAP_READ);
+ obuf = gst_buffer_new_and_alloc (imap.size * (4 + 1 / 20.));
+ gst_buffer_map (obuf, &omap, GST_MAP_WRITE);
+ for (i = o = 0; i < imap.size; i++) {
+ g_snprintf ((char *) omap.data + o, 4, "%3i", imap.data[i]);
o += 3;
- GST_BUFFER_DATA (obuf)[o++] = ' ';
+ omap.data[o++] = ' ';
if (!((i + 1) % 20))
- GST_BUFFER_DATA (obuf)[o++] = '\n';
+ omap.data[o++] = '\n';
}
+ gst_buffer_unmap (buf, &imap);
+ gst_buffer_unmap (obuf, &omap);
gst_buffer_unref (buf);
buf = obuf;
}
- gst_buffer_set_caps (buf, GST_PAD_CAPS (s->src));
r = gst_pad_push (s->src, buf);
out:
- gst_object_unref (s);
return r;
}
static gboolean
-gst_pnmenc_setcaps_func_sink (GstPad * pad, GstCaps * caps)
+gst_pnmenc_setcaps (GstPnmenc * s, GstCaps * caps)
{
- GstPnmenc *s = GST_PNMENC (gst_pad_get_parent (pad));
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- const gchar *mime = gst_structure_get_name (structure);
- gboolean r = TRUE;
+ gboolean r;
GstCaps *srccaps;
s->info.max = 255;
s->info.fields = GST_PNM_INFO_FIELDS_MAX;
- /* Set caps on the source. */
- if (!strcmp (mime, "video/x-raw-rgb")) {
+ if (!gst_video_info_from_caps (&s->vinfo, caps))
+ return FALSE;
+
+ if (GST_VIDEO_INFO_IS_RGB (&s->vinfo)) {
s->info.type = GST_PNM_TYPE_PIXMAP;
srccaps = gst_caps_from_string (MIME_PM);
- } else if (!strcmp (mime, "video/x-raw-gray")) {
+ } else if (GST_VIDEO_INFO_IS_GRAY (&s->vinfo)) {
s->info.type = GST_PNM_TYPE_GRAYMAP;
srccaps = gst_caps_from_string (MIME_GM);
} else {
- r = FALSE;
- goto out;
+ return FALSE;
}
- gst_pad_set_caps (s->src, srccaps);
+ r = gst_pad_set_caps (s->src, srccaps);
gst_caps_unref (srccaps);
s->info.fields |= GST_PNM_INFO_FIELDS_TYPE;
/* Remember width and height of the input data. */
- if (!gst_structure_get_int (structure, "width", (int *) &s->info.width) ||
- !gst_structure_get_int (structure, "height", (int *) &s->info.height)) {
- r = FALSE;
- goto out;
- }
+ s->info.width = GST_VIDEO_INFO_WIDTH (&s->vinfo);
+ s->info.height = GST_VIDEO_INFO_HEIGHT (&s->vinfo);
s->info.fields |= GST_PNM_INFO_FIELDS_WIDTH | GST_PNM_INFO_FIELDS_HEIGHT;
-out:
- gst_object_unref (s);
+ return r;
+}
+
+static gboolean
+gst_pnmenc_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstPnmenc *s = GST_PNMENC (parent);
+ gboolean r = FALSE;
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps;
+
+ gst_event_parse_caps (event, &caps);
+ r = gst_pnmenc_setcaps (s, caps);
+ gst_event_unref (event);
+ break;
+ }
+ default:
+ r = gst_pad_event_default (pad, parent, event);
+ break;
+ }
+
return r;
}
static void
-gst_pnmenc_init (GstPnmenc * s, GstPnmencClass * klass)
+gst_pnmenc_init (GstPnmenc * s)
{
GstPad *pad;
pad = gst_pad_new_from_static_template (&sink_pad_template, "sink");
- gst_pad_set_setcaps_function (pad, gst_pnmenc_setcaps_func_sink);
gst_pad_set_chain_function (pad, gst_pnmenc_chain);
+ gst_pad_set_event_function (pad, gst_pnmenc_sink_event);
gst_pad_use_fixed_caps (pad);
gst_element_add_pad (GST_ELEMENT (s), pad);
@@ -227,9 +252,10 @@ gst_pnmenc_init (GstPnmenc * s, GstPnmencClass * klass)
}
static void
-gst_pnmenc_base_init (gpointer g_class)
+gst_pnmenc_class_init (GstPnmencClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_pad_template));
@@ -239,12 +265,6 @@ gst_pnmenc_base_init (gpointer g_class)
"Codec/Encoder/Image",
"Encodes images into portable pixmap or graymap (PNM) format",
"Lutz Mueller <lutz@users.sourceforge.net>");
-}
-
-static void
-gst_pnmenc_class_init (GstPnmencClass * klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_pnmenc_set_property;
gobject_class->get_property = gst_pnmenc_get_property;
diff --git a/gst/pnm/gstpnmenc.h b/gst/pnm/gstpnmenc.h
index e3748601b..aa8b10189 100644
--- a/gst/pnm/gstpnmenc.h
+++ b/gst/pnm/gstpnmenc.h
@@ -20,7 +20,8 @@
#ifndef __GST_PNMENC_H__
#define __GST_PNMENC_H__
-#include <gst/gstelement.h>
+#include <gst/gst.h>
+#include <gst/video/video.h>
#include "gstpnmutils.h"
@@ -39,6 +40,7 @@ struct _GstPnmenc
{
GstElement element;
+ GstVideoInfo vinfo;
GstPnmInfo info;
GstPad *src;