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interlace: port to 0.11

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This commit is contained in:
Wim Taymans 2012-06-26 16:33:54 +02:00
parent ad5b76a58d
commit c0cd1c43ab
2 changed files with 211 additions and 263 deletions
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2
configure.ac
View file

@ -314,7 +314,7 @@ GST_PLUGINS_NONPORTED=" aiff \
cdxaparse \
dccp faceoverlay festival \
fieldanalysis freeverb freeze frei0r \
hdvparse id3tag inter interlace ivfparse jpegformat jp2kdecimator \
hdvparse id3tag inter ivfparse jpegformat jp2kdecimator \
kate liveadder librfb \
mpegpsmux mve mxf mythtv nsf nuvdemux \
patchdetect pnm real \

472
gst/interlace/gstinterlace.c
View file

@ -86,7 +86,6 @@ struct _GstInterlace
GstPad *srcpad;
GstPad *sinkpad;
GstCaps *srccaps;
/* properties */
gboolean top_field_first;
@ -94,9 +93,7 @@ struct _GstInterlace
gboolean allow_rff;
/* state */
int width;
int height;
GstVideoFormat format;
GstVideoInfo info;
int src_fps_n;
int src_fps_d;
@ -158,80 +155,43 @@ static GstStaticPadTemplate gst_interlace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
("{AYUV,YUY2,UYVY,I420,YV12,Y42B,Y444,NV12,NV21}")
",interlaced=TRUE")
",interlace-mode=mixed")
);
static GstStaticPadTemplate gst_interlace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
("{AYUV,YUY2,UYVY,I420,YV12,Y42B,Y444,NV12,NV21}")
",interlaced=FALSE")
",interlace-mode=progressive")
);
static void gst_interlace_base_init (gpointer g_class);
static void gst_interlace_class_init (GstInterlaceClass * klass);
static void gst_interlace_init (GstInterlace * interlace);
static gboolean gst_interlace_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_interlace_chain (GstPad * pad, GstBuffer * buffer);
GType gst_interlace_get_type (void);
static void gst_interlace_finalize (GObject * obj);
static void gst_interlace_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_interlace_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static gboolean gst_interlace_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_interlace_getcaps (GstPad * pad);
static gboolean gst_interlace_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_interlace_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static GstFlowReturn gst_interlace_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer);
static gboolean gst_interlace_src_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static GstStateChangeReturn gst_interlace_change_state (GstElement * element,
GstStateChange transition);
static void gst_interlace_finalize (GObject * obj);
static GstElementClass *parent_class = NULL;
static GType
gst_interlace_get_type (void)
{
static GType interlace_type = 0;
if (!interlace_type) {
static const GTypeInfo interlace_info = {
sizeof (GstInterlaceClass),
gst_interlace_base_init,
NULL,
(GClassInitFunc) gst_interlace_class_init,
NULL,
NULL,
sizeof (GstInterlace),
0,
(GInstanceInitFunc) gst_interlace_init,
};
interlace_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstInterlace", &interlace_info, 0);
}
return interlace_type;
}
static void
gst_interlace_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class,
"Interlace filter", "Filter/Video",
"Creates an interlaced video from progressive frames",
"David Schleef <ds@schleef.org>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_interlace_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_interlace_src_template));
}
#define gst_interlace_parent_class parent_class
G_DEFINE_TYPE (GstInterlace, gst_interlace, GST_TYPE_ELEMENT);
static void
gst_interlace_class_init (GstInterlaceClass * klass)
@ -245,8 +205,6 @@ gst_interlace_class_init (GstInterlaceClass * klass)
object_class->get_property = gst_interlace_get_property;
object_class->finalize = gst_interlace_finalize;
element_class->change_state = gst_interlace_change_state;
g_object_class_install_property (object_class, PROP_TOP_FIELD_FIRST,
g_param_spec_boolean ("top-field-first", "top field first",
"Interlaced stream should be top field first", FALSE,
@ -268,15 +226,22 @@ gst_interlace_class_init (GstInterlaceClass * klass)
"Allow generation of buffers with RFF flag set, i.e., duration of 3 fields",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_details_simple (element_class,
"Interlace filter", "Filter/Video",
"Creates an interlaced video from progressive frames",
"David Schleef <ds@schleef.org>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_interlace_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_interlace_src_template));
element_class->change_state = gst_interlace_change_state;
}
static void
gst_interlace_finalize (GObject * obj)
{
GstInterlace *interlace = GST_INTERLACE (obj);
gst_caps_replace (&interlace->srccaps, NULL);
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
@ -286,6 +251,10 @@ gst_interlace_reset (GstInterlace * interlace)
interlace->phase_index = interlace->pattern_offset;
interlace->timebase = GST_CLOCK_TIME_NONE;
interlace->field_index = 0;
if (interlace->stored_frame) {
gst_buffer_unref (interlace->stored_frame);
interlace->stored_frame = NULL;
}
}
static void
@ -294,17 +263,15 @@ gst_interlace_init (GstInterlace * interlace)
GST_DEBUG ("gst_interlace_init");
interlace->sinkpad =
gst_pad_new_from_static_template (&gst_interlace_sink_template, "sink");
gst_element_add_pad (GST_ELEMENT (interlace), interlace->sinkpad);
gst_pad_set_chain_function (interlace->sinkpad, gst_interlace_chain);
gst_pad_set_setcaps_function (interlace->sinkpad, gst_interlace_setcaps);
gst_pad_set_getcaps_function (interlace->sinkpad, gst_interlace_getcaps);
gst_pad_set_event_function (interlace->sinkpad, gst_interlace_sink_event);
gst_pad_set_query_function (interlace->sinkpad, gst_interlace_sink_query);
gst_element_add_pad (GST_ELEMENT (interlace), interlace->sinkpad);
interlace->srcpad =
gst_pad_new_from_static_template (&gst_interlace_src_template, "src");
gst_pad_set_query_function (interlace->srcpad, gst_interlace_src_query);
gst_element_add_pad (GST_ELEMENT (interlace), interlace->srcpad);
gst_pad_set_setcaps_function (interlace->srcpad, gst_interlace_setcaps);
gst_pad_set_getcaps_function (interlace->srcpad, gst_interlace_getcaps);
interlace->top_field_first = FALSE;
interlace->allow_rff = FALSE;
@ -353,35 +320,67 @@ gst_interlace_decorate_buffer (GstInterlace * interlace, GstBuffer * buf,
gst_util_uint64_scale (GST_SECOND, interlace->src_fps_d * n_fields,
interlace->src_fps_n * 2);
}
/* increment the buffer timestamp by duration for the next buffer */
gst_buffer_set_caps (buf, interlace->srccaps);
if (interlace->field_index == 0) {
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_TFF);
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (n_fields == 3) {
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_RFF);
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_FLAG_RFF);
}
if (n_fields == 1) {
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_ONEFIELD);
GST_BUFFER_FLAG_SET (buf, GST_VIDEO_BUFFER_FLAG_ONEFIELD);
}
}
static gboolean
gst_interlace_sink_event (GstPad * pad, GstEvent * event)
gst_interlace_setcaps (GstInterlace * interlace, GstCaps * caps)
{
gboolean ret;
GstVideoInfo info;
GstCaps *othercaps;
const PulldownFormat *pdformat;
if (!gst_video_info_from_caps (&info, caps))
goto caps_error;
othercaps = gst_caps_copy (caps);
pdformat = &formats[interlace->pattern];
interlace->phase_index = interlace->pattern_offset;
interlace->src_fps_n = info.fps_n * pdformat->ratio_n;
interlace->src_fps_d = info.fps_d * pdformat->ratio_d;
gst_caps_set_simple (othercaps, "interlace-mode", G_TYPE_STRING, "mixed",
NULL);
gst_caps_set_simple (othercaps, "framerate", GST_TYPE_FRACTION,
interlace->src_fps_n, interlace->src_fps_d, NULL);
ret = gst_pad_set_caps (interlace->srcpad, othercaps);
gst_caps_unref (othercaps);
interlace->info = info;
return ret;
caps_error:
{
GST_DEBUG_OBJECT (interlace, "error parsing caps");
return FALSE;
}
}
static gboolean
gst_interlace_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean ret;
GstInterlace *interlace;
interlace = GST_INTERLACE (gst_pad_get_parent (pad));
interlace = GST_INTERLACE (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
GST_DEBUG_OBJECT (interlace, "handling FLUSH_START");
if (interlace->stored_frame) {
gst_buffer_unref (interlace->stored_frame);
interlace->stored_frame = NULL;
}
ret = gst_pad_push_event (interlace->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
@ -440,220 +439,174 @@ gst_interlace_sink_event (GstPad * pad, GstEvent * event)
ret = gst_pad_push_event (interlace->srcpad, event);
break;
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_interlace_setcaps (interlace, caps);
gst_event_unref (event);
break;
}
default:
ret = gst_pad_push_event (interlace->srcpad, event);
break;
}
g_object_unref (interlace);
return ret;
}
static GstCaps *
gst_interlace_getcaps (GstPad * pad)
gst_interlace_getcaps (GstPad * pad, GstInterlace * interlace, GstCaps * filter)
{
GstInterlace *interlace;
GstPad *otherpad;
GstCaps *othercaps;
GstCaps *othercaps, *tcaps;
GstCaps *icaps;
interlace = GST_INTERLACE (gst_pad_get_parent (pad));
otherpad =
(pad == interlace->srcpad) ? interlace->sinkpad : interlace->srcpad;
othercaps = gst_pad_peer_get_caps (otherpad);
if (othercaps == NULL) {
icaps = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
} else {
icaps = gst_caps_intersect (othercaps,
gst_pad_get_pad_template_caps (otherpad));
tcaps = gst_pad_get_pad_template_caps (otherpad);
othercaps = gst_pad_peer_query_caps (otherpad, filter);
if (othercaps) {
icaps = gst_caps_intersect (othercaps, tcaps);
gst_caps_unref (othercaps);
} else {
icaps = tcaps;
}
gst_caps_set_simple (icaps, "interlaced", G_TYPE_BOOLEAN,
pad == interlace->srcpad ? TRUE : FALSE, NULL);
if (filter) {
othercaps = gst_caps_intersect (icaps, filter);
gst_caps_unref (icaps);
icaps = othercaps;
}
gst_object_unref (interlace);
icaps = gst_caps_make_writable (icaps);
gst_caps_set_simple (icaps, "interlace-mode", G_TYPE_STRING,
pad == interlace->srcpad ? "mixed" : "progressive", NULL);
gst_caps_unref (tcaps);
return icaps;
}
static gboolean
gst_interlace_setcaps (GstPad * pad, GstCaps * caps)
gst_interlace_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstInterlace *interlace;
gboolean ret;
int width, height;
GstVideoFormat format;
gboolean interlaced = TRUE;
int fps_n, fps_d;
GstPad *otherpad;
GstCaps *othercaps = NULL;
const PulldownFormat *pdformat;
GstInterlace *interlace;
interlace = GST_INTERLACE (gst_pad_get_parent (pad));
interlace = GST_INTERLACE (parent);
otherpad =
(pad == interlace->srcpad) ? interlace->sinkpad : interlace->srcpad;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
ret = gst_video_format_parse_caps (caps, &format, &width, &height);
gst_video_format_parse_caps_interlaced (caps, &interlaced);
ret &= gst_video_parse_caps_framerate (caps, &fps_n, &fps_d);
if (!ret)
goto error;
othercaps = gst_caps_copy (caps);
pdformat = &formats[interlace->pattern];
if (pad == interlace->srcpad) {
gst_caps_set_simple (othercaps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
gst_caps_set_simple (othercaps, "framerate", GST_TYPE_FRACTION,
fps_n * pdformat->ratio_d, fps_d * pdformat->ratio_n, NULL);
} else {
gst_caps_set_simple (othercaps, "interlaced", G_TYPE_BOOLEAN, TRUE, NULL);
gst_caps_set_simple (othercaps, "framerate", GST_TYPE_FRACTION,
fps_n * pdformat->ratio_n, fps_d * pdformat->ratio_d, NULL);
gst_query_parse_caps (query, &filter);
caps = gst_interlace_getcaps (pad, interlace, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (pad, parent, query);
break;
}
return ret;
}
ret = gst_pad_set_caps (otherpad, othercaps);
if (!ret)
goto error;
static gboolean
gst_interlace_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean ret;
GstInterlace *interlace;
interlace->format = format;
interlace->width = width;
interlace->height = height;
interlace = GST_INTERLACE (parent);
interlace->phase_index = interlace->pattern_offset;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
GstCaps *filter, *caps;
if (pad == interlace->sinkpad) {
gst_caps_replace (&interlace->srccaps, othercaps);
interlace->src_fps_n = fps_n * pdformat->ratio_n;
interlace->src_fps_d = fps_d * pdformat->ratio_d;
} else {
gst_caps_replace (&interlace->srccaps, caps);
interlace->src_fps_n = fps_n;
interlace->src_fps_d = fps_d;
gst_query_parse_caps (query, &filter);
caps = gst_interlace_getcaps (pad, interlace, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (pad, parent, query);
break;
}
error:
if (othercaps)
gst_caps_unref (othercaps);
g_object_unref (interlace);
return ret;
}
static void
copy_field (GstInterlace * interlace, GstBuffer * d, GstBuffer * s,
copy_field (GstInterlace * interlace, GstBuffer * dest, GstBuffer * src,
int field_index)
{
int j;
guint8 *dest;
guint8 *src;
int width = interlace->width;
int height = interlace->height;
GstVideoInfo *info = &interlace->info;
gint i, j, n_planes;
guint8 *d, *s;
GstVideoFrame dframe, sframe;
if (interlace->format == GST_VIDEO_FORMAT_I420 ||
interlace->format == GST_VIDEO_FORMAT_YV12) {
/* planar 4:2:0 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width;
src = GST_BUFFER_DATA (s) + j * width;
memcpy (dest, src, width);
if (!gst_video_frame_map (&dframe, info, dest, GST_MAP_WRITE))
goto dest_map_failed;
if (!gst_video_frame_map (&sframe, info, src, GST_MAP_READ))
goto src_map_failed;
n_planes = GST_VIDEO_FRAME_N_PLANES (&dframe);
for (i = 0; i < n_planes; i++) {
gint cheight, cwidth;
gint ss, ds;
d = GST_VIDEO_FRAME_PLANE_DATA (&dframe, i);
s = GST_VIDEO_FRAME_PLANE_DATA (&sframe, i);
ds = GST_VIDEO_FRAME_PLANE_STRIDE (&dframe, i);
ss = GST_VIDEO_FRAME_PLANE_STRIDE (&sframe, i);
d += field_index * ds;
s += field_index * ss;
cheight = GST_VIDEO_FRAME_COMP_HEIGHT (&dframe, i);
cwidth = MIN (ABS (ss), ABS (ds));
for (j = field_index; j < cheight; j += 2) {
memcpy (d, s, cwidth);
d += ds * 2;
s += ss * 2;
}
for (j = field_index; j < height / 2; j += 2) {
dest = GST_BUFFER_DATA (d) + width * height + j * width / 2;
src = GST_BUFFER_DATA (s) + width * height + j * width / 2;
memcpy (dest, src, width / 2);
}
for (j = field_index; j < height / 2; j += 2) {
dest =
GST_BUFFER_DATA (d) + width * height + width / 2 * height / 2 +
j * width / 2;
src =
GST_BUFFER_DATA (s) + width * height + width / 2 * height / 2 +
j * width / 2;
memcpy (dest, src, width / 2);
}
} else if (interlace->format == GST_VIDEO_FORMAT_UYVY ||
interlace->format == GST_VIDEO_FORMAT_YUY2) {
/* packed 4:2:2 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width * 2;
src = GST_BUFFER_DATA (s) + j * width * 2;
memcpy (dest, src, width * 2);
}
} else if (interlace->format == GST_VIDEO_FORMAT_AYUV) {
/* packed 4:4:4 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width * 4;
src = GST_BUFFER_DATA (s) + j * width * 4;
memcpy (dest, src, width * 4);
}
} else if (interlace->format == GST_VIDEO_FORMAT_Y42B) {
/* planar 4:2:2 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width;
src = GST_BUFFER_DATA (s) + j * width;
memcpy (dest, src, width);
}
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + width * height + j * width / 2;
src = GST_BUFFER_DATA (s) + width * height + j * width / 2;
memcpy (dest, src, width / 2);
}
for (j = field_index; j < height; j += 2) {
dest =
GST_BUFFER_DATA (d) + width * height + width / 2 * height +
j * width / 2;
src =
GST_BUFFER_DATA (s) + width * height + width / 2 * height +
j * width / 2;
memcpy (dest, src, width / 2);
}
} else if (interlace->format == GST_VIDEO_FORMAT_Y444) {
/* planar 4:4:4 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width;
src = GST_BUFFER_DATA (s) + j * width;
memcpy (dest, src, width);
}
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + width * height + j * width;
src = GST_BUFFER_DATA (s) + width * height + j * width;
memcpy (dest, src, width);
}
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + width * height + width * height + j * width;
src = GST_BUFFER_DATA (s) + width * height + width * height + j * width;
memcpy (dest, src, width);
}
} else if (interlace->format == GST_VIDEO_FORMAT_NV12 ||
interlace->format == GST_VIDEO_FORMAT_NV21) {
/* planar/packed 4:2:0 */
for (j = field_index; j < height; j += 2) {
dest = GST_BUFFER_DATA (d) + j * width;
src = GST_BUFFER_DATA (s) + j * width;
memcpy (dest, src, width);
}
for (j = field_index; j < height / 2; j += 2) {
dest = GST_BUFFER_DATA (d) + width * height + j * width;
src = GST_BUFFER_DATA (s) + width * height + j * width;
memcpy (dest, src, width);
}
} else {
g_assert_not_reached ();
}
gst_video_frame_unmap (&dframe);
gst_video_frame_unmap (&sframe);
return;
dest_map_failed:
{
GST_ERROR_OBJECT (interlace, "failed to map dest");
return;
}
src_map_failed:
{
GST_ERROR_OBJECT (interlace, "failed to map src");
gst_video_frame_unmap (&dframe);
return;
}
}
static GstFlowReturn
gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
gst_interlace_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstInterlace *interlace = GST_INTERLACE (gst_pad_get_parent (pad));
GstInterlace *interlace = GST_INTERLACE (parent);
GstFlowReturn ret = GST_FLOW_OK;
gint num_fields = 0;
int current_fields;
@ -668,10 +621,10 @@ gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
GST_DEBUG ("duration %" GST_TIME_FORMAT " flags %04x %s %s %s",
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)),
GST_BUFFER_FLAGS (buffer),
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_TFF) ? "tff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_RFF) ? "rff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_ONEFIELD) ? "onefield" :
"");
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_TFF) ? "tff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_RFF) ? "rff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_ONEFIELD) ? "onefield"
: "");
if (GST_BUFFER_FLAGS (buffer) & GST_BUFFER_FLAG_DISCONT) {
GST_DEBUG ("discont");
@ -723,7 +676,7 @@ gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
if (interlace->stored_fields > 0) {
GST_DEBUG ("1 field from stored, 1 from current");
output_buffer = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (buffer));
output_buffer = gst_buffer_new_and_alloc (gst_buffer_get_size (buffer));
/* take the first field from the stored frame */
copy_field (interlace, output_buffer, interlace->stored_frame,
interlace->field_index);
@ -733,8 +686,7 @@ gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
current_fields--;
n_output_fields = 2;
} else {
output_buffer =
gst_buffer_make_metadata_writable (gst_buffer_ref (buffer));
output_buffer = gst_buffer_make_writable (gst_buffer_ref (buffer));
if (num_fields >= 3 && interlace->allow_rff) {
GST_DEBUG ("3 fields from current");
/* take both fields from incoming buffer */
@ -758,9 +710,11 @@ gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (output_buffer)),
GST_TIME_ARGS (GST_BUFFER_DURATION (output_buffer)),
GST_BUFFER_FLAGS (output_buffer),
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_TFF) ? "tff" : "",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_RFF) ? "rff" : "",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_ONEFIELD) ?
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_TFF) ? "tff" :
"",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_RFF) ? "rff" :
"",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_ONEFIELD) ?
"onefield" : "");
ret = gst_pad_push (interlace->srcpad, output_buffer);
@ -784,9 +738,6 @@ gst_interlace_chain (GstPad * pad, GstBuffer * buffer)
} else {
gst_buffer_unref (buffer);
}
gst_object_unref (interlace);
return ret;
}
@ -853,10 +804,7 @@ gst_interlace_change_state (GstElement * element, GstStateChange transition)
break;
}
if (parent_class->change_state)
return parent_class->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static gboolean