diff options
Diffstat (limited to 'gst-libs/gst/video/gstbasevideoparse.h')
-rw-r--r-- | gst-libs/gst/video/gstbasevideoparse.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/gst-libs/gst/video/gstbasevideoparse.h b/gst-libs/gst/video/gstbasevideoparse.h new file mode 100644 index 00000000..cdbcd27a --- /dev/null +++ b/gst-libs/gst/video/gstbasevideoparse.h @@ -0,0 +1,141 @@ +/* GStreamer + * Copyright (C) 2008 David Schleef <ds@schleef.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef _GST_BASE_VIDEO_PARSE_H_ +#define _GST_BASE_VIDEO_PARSE_H_ + +#ifndef GST_USE_UNSTABLE_API +#warning "GstBaseVideoParse is unstable API and may change in future." +#warning "You can define GST_USE_UNSTABLE_API to avoid this warning." +#endif + +#include <gst/video/gstbasevideocodec.h> +#include <gst/video/gstbasevideoutils.h> + +G_BEGIN_DECLS + +#define GST_TYPE_BASE_VIDEO_PARSE \ + (gst_base_video_parse_get_type()) +#define GST_BASE_VIDEO_PARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParse)) +#define GST_BASE_VIDEO_PARSE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass)) +#define GST_BASE_VIDEO_PARSE_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass)) +#define GST_IS_BASE_VIDEO_PARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_PARSE)) +#define GST_IS_BASE_VIDEO_PARSE_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_PARSE)) + +/** + * GST_BASE_VIDEO_PARSE_SINK_NAME: + * + * The name of the templates for the sink pad. + */ +#define GST_BASE_VIDEO_PARSE_SINK_NAME "sink" +/** + * GST_BASE_VIDEO_PARSE_SRC_NAME: + * + * The name of the templates for the source pad. + */ +#define GST_BASE_VIDEO_PARSE_SRC_NAME "src" + +/** + * GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA: + * + */ +#define GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS + +typedef struct _GstBaseVideoParse GstBaseVideoParse; +typedef struct _GstBaseVideoParseClass GstBaseVideoParseClass; + +struct _GstBaseVideoParse +{ + GstBaseVideoCodec base_video_codec; + + /*< private >*/ + GstAdapter *input_adapter; + GstAdapter *output_adapter; + + int reorder_depth; + + gboolean have_sync; + gboolean discont; + gboolean started; + + GstVideoFrame *current_frame; + GstVideoState state; + int distance_from_sync; + + gboolean sink_clipping; + + guint64 presentation_frame_number; + guint64 system_frame_number; + + GstCaps *caps; + gboolean set_output_caps; + + GstClockTime last_timestamp; + + gint64 timestamp_offset; +}; + +struct _GstBaseVideoParseClass +{ + GstBaseVideoCodecClass base_video_codec_class; + + gboolean (*start) (GstBaseVideoParse *parse); + gboolean (*stop) (GstBaseVideoParse *parse); + gboolean (*reset) (GstBaseVideoParse *parse); + GstFlowReturn (*parse_data) (GstBaseVideoParse *parse, gboolean at_eos); + int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos, + int offset, int n); + GstFlowReturn (*shape_output) (GstBaseVideoParse *parse, GstVideoFrame *frame); + GstCaps *(*get_caps) (GstBaseVideoParse *parse); + +}; + +GType gst_base_video_parse_get_type (void); + +int gst_base_video_parse_get_width (GstBaseVideoParse *parse); +int gst_base_video_parse_get_height (GstBaseVideoParse *parse); +GstVideoState *gst_base_video_parse_get_state (GstBaseVideoParse *parse); +void gst_base_video_parse_set_state (GstBaseVideoParse *parse, + GstVideoState *state); + +guint64 gst_base_video_parse_get_timestamp_offset (GstBaseVideoParse *parse); + +gboolean gst_base_video_parse_set_src_caps (GstBaseVideoParse *base_video_parse, GstCaps *caps); + +GstFlowReturn gst_base_video_parse_end_of_stream (GstBaseVideoParse *base_video_parse, + GstBuffer *buffer); + +void gst_base_video_parse_lost_sync (GstBaseVideoParse *base_video_parse); + +GstVideoFrame * gst_base_video_parse_get_frame (GstBaseVideoParse *base_video_parse); +void gst_base_video_parse_add_to_frame (GstBaseVideoParse *base_video_parse, int n_bytes); +GstFlowReturn gst_base_video_parse_finish_frame (GstBaseVideoParse *base_video_parse); +void gst_base_video_parse_set_sync_point (GstBaseVideoParse *base_video_parse); +GstFlowReturn gst_base_video_parse_push (GstBaseVideoParse *base_video_parse, + GstBuffer *buffer); + +G_END_DECLS + +#endif + |