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 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; }