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 33 G_BEGIN_DECLS 34 #define GST_TYPE_V4L2_VIDEO_ENC \ 35 (gst_v4l2_video_enc_get_type()) 36 #define GST_V4L2_VIDEO_ENC(obj) \ 37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4L2_VIDEO_ENC,GstV4l2VideoEnc)) 38 #define GST_V4L2_VIDEO_ENC_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4L2_VIDEO_ENC,GstV4l2VideoEncClass)) 40 #define GST_IS_V4L2_VIDEO_ENC(obj) \ 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4L2_VIDEO_ENC)) 42 #define GST_IS_V4L2_VIDEO_ENC_CLASS(obj) \ 43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4L2_VIDEO_ENC)) 44 #define GST_V4L2_VIDEO_ENC_GET_CLASS(obj) \ 45 (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2_VIDEO_ENC, GstV4l2VideoEncClass)) 46 47 typedef struct _GstV4l2VideoEnc GstV4l2VideoEnc; 48 typedef struct _GstV4l2VideoEncClass GstV4l2VideoEncClass; 49 50 struct _GstV4l2VideoEnc 51 { 52 GstVideoEncoder parent; 53 54 /* < private > */ 55 GstV4l2Object *v4l2output; 56 GstV4l2Object *v4l2capture; 57 58 /* pads */ 59 GstCaps *probed_srccaps; 60 GstCaps *probed_sinkcaps; 61 62 /* State */ 63 GstVideoCodecState *input_state; 64 gboolean active; 65 gboolean processing; 66 GstFlowReturn output_flow; 67 68 }; 69 70 struct _GstV4l2VideoEncClass 71 { 72 GstVideoEncoderClass parent_class; 73 74 gchar *default_device; 75 const char *codec_name; 76 77 guint32 profile_cid; 78 const gchar * (*profile_to_string) (gint v4l2_profile); 79 gint (*profile_from_string) (const gchar * profile); 80 81 guint32 level_cid; 82 const gchar * (*level_to_string) (gint v4l2_level); 83 gint (*level_from_string) (const gchar * level); 84 }; 85 86 GType gst_v4l2_video_enc_get_type (void); 87 88 89 gboolean gst_v4l2_is_video_enc (GstCaps * sink_caps, GstCaps * src_caps, 90 GstCaps * codec_caps); 91 92 void gst_v4l2_video_enc_register (GstPlugin * plugin, GType type, 93 const char *codec, const gchar * basename, const gchar * device_path, 94 GstCaps * sink_caps, GstCaps *codec_caps, GstCaps * src_caps); 95 96 G_END_DECLS 97 #endif /* __GST_V4L2_VIDEO_ENC_H__ */ 98