static gboolean
gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
AVCodecContext *ctx;
if (!gst_structure_get_int (structure, "width", &deinterlace->width))
return FALSE;
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (CODEC_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
return FALSE;
}
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
return gst_pad_set_caps (deinterlace->srcpad, caps);
}
static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstBuffer * inbuf)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstBuffer *outbuf = NULL;
GstFlowReturn result;
result =
gst_pad_alloc_buffer (deinterlace->srcpad, GST_BUFFER_OFFSET_NONE,
deinterlace->to_size, GST_PAD_CAPS (deinterlace->srcpad), &outbuf);
if (result == GST_FLOW_OK) {
gst_ffmpeg_avpicture_fill (&deinterlace->from_frame,
GST_BUFFER_DATA (inbuf), deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, GST_BUFFER_DATA (outbuf),
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
gst_buffer_copy_metadata (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS);
result = gst_pad_push (deinterlace->srcpad, outbuf);
}
gst_buffer_unref (inbuf);
return result;
}
static void
gst_ffmpegdeinterlace_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *self;
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
self = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
case PROP_MODE:{
gint new_mode;
GST_OBJECT_LOCK (self);
new_mode = g_value_get_enum (value);
if (self->mode != new_mode && GST_PAD_CAPS (self->srcpad)) {
self->reconfigure = TRUE;
self->new_mode = new_mode;
} else {
self->mode = new_mode;
gst_ffmpegdeinterlace_update_passthrough (self);
}
GST_OBJECT_UNLOCK (self);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
}
}
static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstObject * parent,
GstBuffer * inbuf)
{
GstFFMpegDeinterlace *deinterlace = GST_FFMPEGDEINTERLACE (parent);
GstBuffer *outbuf = NULL;
GstFlowReturn result;
GstMapInfo from_map, to_map;
GST_OBJECT_LOCK (deinterlace);
if (deinterlace->reconfigure) {
if (deinterlace->new_mode != -1)
deinterlace->mode = deinterlace->new_mode;
deinterlace->new_mode = -1;
deinterlace->reconfigure = FALSE;
GST_OBJECT_UNLOCK (deinterlace);
if (gst_pad_has_current_caps (deinterlace->srcpad)) {
GstCaps *caps;
caps = gst_pad_get_current_caps (deinterlace->sinkpad);
gst_ffmpegdeinterlace_sink_setcaps (deinterlace->sinkpad, caps);
gst_caps_unref (caps);
}
} else {
GST_OBJECT_UNLOCK (deinterlace);
}
if (deinterlace->passthrough)
return gst_pad_push (deinterlace->srcpad, inbuf);
outbuf = gst_buffer_new_and_alloc (deinterlace->to_size);
gst_buffer_map (inbuf, &from_map, GST_MAP_READ);
gst_ffmpeg_avpicture_fill (&deinterlace->from_frame, from_map.data,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
gst_buffer_map (outbuf, &to_map, GST_MAP_WRITE);
gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, to_map.data,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
gst_buffer_unmap (outbuf, &to_map);
gst_buffer_unmap (inbuf, &from_map);
gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
result = gst_pad_push (deinterlace->srcpad, outbuf);
gst_buffer_unref (inbuf);
return result;
}
static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstBuffer * inbuf)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstBuffer *outbuf = NULL;
GstFlowReturn result;
GST_OBJECT_LOCK (deinterlace);
if (deinterlace->reconfigure) {
if (deinterlace->new_mode != -1)
deinterlace->mode = deinterlace->new_mode;
deinterlace->new_mode = -1;
deinterlace->reconfigure = FALSE;
GST_OBJECT_UNLOCK (deinterlace);
if (GST_PAD_CAPS (deinterlace->srcpad))
gst_ffmpegdeinterlace_sink_setcaps (deinterlace->sinkpad,
GST_PAD_CAPS (deinterlace->sinkpad));
} else {
GST_OBJECT_UNLOCK (deinterlace);
}
if (deinterlace->passthrough)
return gst_pad_push (deinterlace->srcpad, inbuf);
result =
gst_pad_alloc_buffer (deinterlace->srcpad, GST_BUFFER_OFFSET_NONE,
deinterlace->to_size, GST_PAD_CAPS (deinterlace->srcpad), &outbuf);
if (result == GST_FLOW_OK) {
gst_ffmpeg_avpicture_fill (&deinterlace->from_frame,
GST_BUFFER_DATA (inbuf), deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, GST_BUFFER_DATA (outbuf),
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
gst_buffer_copy_metadata (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS);
result = gst_pad_push (deinterlace->srcpad, outbuf);
}
gst_buffer_unref (inbuf);
return result;
}
static void
gst_ffmpegdeinterlace_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *self;
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
self = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
case PROP_MODE:
g_value_set_enum (value, self->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
}
}
static gboolean
gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
AVCodecContext *ctx;
GstCaps *src_caps;
gboolean ret;
if (!gst_structure_get_int (structure, "width", &deinterlace->width))
return FALSE;
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
deinterlace->interlaced = FALSE;
gst_structure_get_boolean (structure, "interlaced", &deinterlace->interlaced);
gst_ffmpegdeinterlace_update_passthrough (deinterlace);
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (AVMEDIA_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
return FALSE;
}
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
src_caps = gst_caps_copy (caps);
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN,
deinterlace->interlaced, NULL);
ret = gst_pad_set_caps (deinterlace->srcpad, src_caps);
gst_caps_unref (src_caps);
return ret;
}
static gboolean
gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
AVCodecContext *ctx;
GValue interlaced = { 0 };
GstCaps *srcCaps;
GstFlowReturn ret;
if (!gst_structure_get_int (structure, "width", &deinterlace->width))
return FALSE;
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (CODEC_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
return FALSE;
}
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
srcCaps = gst_caps_copy (caps);
g_value_init (&interlaced, G_TYPE_BOOLEAN);
g_value_set_boolean (&interlaced, FALSE);
gst_caps_set_value (srcCaps, "interlaced", &interlaced);
g_value_unset (&interlaced);
ret = gst_pad_set_caps (deinterlace->srcpad, srcCaps);
gst_caps_unref (srcCaps);
return ret;
}
static gboolean
gst_ffmpegdeinterlace_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstFFMpegDeinterlace *deinterlace = GST_FFMPEGDEINTERLACE (parent);
gboolean ret = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_ffmpegdeinterlace_sink_setcaps (pad, caps);
gst_event_unref (event);
break;
}
default:
ret = gst_pad_push_event (deinterlace->srcpad, event);
break;
}
return ret;
}
