1 /* 2 * Copyright (C) 2014 SUMOMO Computer Association. 3 * Author: ayaka <ayaka@soulik.info> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef __GST_V4L2_VIDEO_ENC_H__ 23 #define __GST_V4L2_VIDEO_ENC_H__ 24 25 #include <gst/gst.h> 26 #include <gst/video/video.h> 27 #include <gst/video/gstvideoencoder.h> 28 #include <gst/video/gstvideometa.h> 29 30 #include <gstv4l2object.h> 31 #include <gstv4l2bufferpool.h> 32 #include <gstv4l2codec.h> 33 34 G_BEGIN_DECLS 35 #define GST_TYPE_V4L2_VIDEO_ENC \ 36 (gst_v4l2_video_enc_get_type()) 37 #define GST_V4L2_VIDEO_ENC(obj) \ 38 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2_VIDEO_ENC,GstV4l2VideoEnc)) 39 #define GST_V4L2_VIDEO_ENC_CLASS(klass) \ 40 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2_VIDEO_ENC,GstV4l2VideoEncClass)) 41 #define GST_IS_V4L2_VIDEO_ENC(obj) \ 42 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2_VIDEO_ENC)) 43 #define GST_IS_V4L2_VIDEO_ENC_CLASS(obj) \ 44 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2_VIDEO_ENC)) 45 #define GST_V4L2_VIDEO_ENC_GET_CLASS(obj) \ 46 (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2_VIDEO_ENC, GstV4l2VideoEncClass)) 47 48 typedef struct _GstV4l2VideoEnc GstV4l2VideoEnc; 49 typedef struct _GstV4l2VideoEncClass GstV4l2VideoEncClass; 50 51 struct _GstV4l2VideoEnc 52 { 53 GstVideoEncoder parent; 54 55 /* < private > */ 56 GstV4l2Object *v4l2output; 57 GstV4l2Object *v4l2capture; 58 59 /* pads */ 60 GstCaps *probed_srccaps; 61 GstCaps *probed_sinkcaps; 62 63 /* State */ 64 GstVideoCodecState *input_state; 65 gboolean active; 66 gboolean processing; 67 GstFlowReturn output_flow; 68 69 }; 70 71 struct _GstV4l2VideoEncClass 72 { 73 GstVideoEncoderClass parent_class; 74 75 gchar *default_device; 76 const char *codec_name; 77 const GstV4l2Codec *codec; 78 }; 79 80 GType gst_v4l2_video_enc_get_type (void); 81 82 83 gboolean gst_v4l2_is_video_enc (GstCaps * sink_caps, GstCaps * src_caps, 84 GstCaps * codec_caps); 85 86 void gst_v4l2_video_enc_register (GstPlugin * plugin, GType type, 87 const char *codec_name, const gchar * basename, const gchar * device_path, 88 const GstV4l2Codec * codec, gint video_fd, 89 GstCaps * sink_caps, GstCaps *codec_caps, GstCaps * src_caps); 90 91 G_END_DECLS 92 #endif /* __GST_V4L2_VIDEO_ENC_H__ */ 93