diff options
Diffstat (limited to 'gst-libs/gst/video/gstbasevideodecoder.h')
| -rw-r--r-- | gst-libs/gst/video/gstbasevideodecoder.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/gst-libs/gst/video/gstbasevideodecoder.h b/gst-libs/gst/video/gstbasevideodecoder.h new file mode 100644 index 00000000..5e734a2a --- /dev/null +++ b/gst-libs/gst/video/gstbasevideodecoder.h @@ -0,0 +1,161 @@ +/* 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_DECODER_H_ +#define _GST_BASE_VIDEO_DECODER_H_ + +#include <gst/video/gstbasevideocodec.h> + +G_BEGIN_DECLS + +#define GST_TYPE_BASE_VIDEO_DECODER \ + (gst_base_video_decoder_get_type()) +#define GST_BASE_VIDEO_DECODER(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoder)) +#define GST_BASE_VIDEO_DECODER_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass)) +#define GST_BASE_VIDEO_DECODER_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass)) +#define GST_IS_BASE_VIDEO_DECODER(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_DECODER)) +#define GST_IS_BASE_VIDEO_DECODER_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_DECODER)) + +/** + * GST_BASE_VIDEO_DECODER_SINK_NAME: + * + * The name of the templates for the sink pad. + */ +#define GST_BASE_VIDEO_DECODER_SINK_NAME "sink" +/** + * GST_BASE_VIDEO_DECODER_SRC_NAME: + * + * The name of the templates for the source pad. + */ +#define GST_BASE_VIDEO_DECODER_SRC_NAME "src" + +/** + * GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA: + * + * Custom GstFlowReturn value indicating that more data is needed. + */ +#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS + + +typedef struct _GstBaseVideoDecoder GstBaseVideoDecoder; +typedef struct _GstBaseVideoDecoderClass GstBaseVideoDecoderClass; + +struct _GstBaseVideoDecoder +{ + GstBaseVideoCodec base_video_codec; + + /*< private >*/ + GstAdapter *input_adapter; + GstAdapter *output_adapter; + + GList *frames; + + gboolean have_sync; + gboolean discont; + gboolean started; + + GstVideoState state; + + gboolean sink_clipping; + + guint64 presentation_frame_number; + guint64 system_frame_number; + + GstCaps *caps; + gboolean have_src_caps; + + GstVideoFrame *current_frame; + + int distance_from_sync; + int reorder_depth; + + GstClockTime buffer_timestamp; + + GstClockTime timestamp_offset; + + gdouble proportion; + GstClockTime earliest_time; + + GstBuffer *codec_data; + + guint64 offset; + GstClockTime last_timestamp; + + GstClockTime last_sink_timestamp; + GstClockTime last_sink_offset_end; + guint64 base_picture_number; + + int field_index; +}; + +struct _GstBaseVideoDecoderClass +{ + GstBaseVideoCodecClass base_video_codec_class; + + gboolean (*set_format) (GstBaseVideoDecoder *coder, GstVideoFormat, + int width, int height, int fps_n, int fps_d, + int par_n, int par_d); + gboolean (*start) (GstBaseVideoDecoder *coder); + gboolean (*stop) (GstBaseVideoDecoder *coder); + gboolean (*reset) (GstBaseVideoDecoder *coder); + int (*scan_for_sync) (GstBaseVideoDecoder *decoder, gboolean at_eos, + int offset, int n); + GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder, gboolean at_eos); + gboolean (*finish) (GstBaseVideoDecoder *coder, GstVideoFrame *frame); + GstFlowReturn (*handle_frame) (GstBaseVideoDecoder *coder, GstVideoFrame *frame); + GstFlowReturn (*shape_output) (GstBaseVideoDecoder *coder, GstVideoFrame *frame); + GstCaps *(*get_caps) (GstBaseVideoDecoder *coder); + +}; + +GType gst_base_video_decoder_get_type (void); + +int gst_base_video_decoder_get_width (GstBaseVideoDecoder *coder); +int gst_base_video_decoder_get_height (GstBaseVideoDecoder *coder); + +guint64 gst_base_video_decoder_get_timestamp_offset (GstBaseVideoDecoder *coder); + +GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder, + int frame_number); +void gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder *base_video_decoder, + int n_bytes); +GstFlowReturn gst_base_video_decoder_finish_frame (GstBaseVideoDecoder *base_video_decoder, + GstVideoFrame *frame); +GstFlowReturn gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder *base_video_decoder, + GstBuffer *buffer); +GstFlowReturn +gst_base_video_decoder_have_frame (GstBaseVideoDecoder *base_video_decoder); +GstVideoState * gst_base_video_decoder_get_state (GstBaseVideoDecoder *base_video_decoder); +void gst_base_video_decoder_set_state (GstBaseVideoDecoder *base_video_decoder, + GstVideoState *state); +void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder); +void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder); + +void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder); + + +G_END_DECLS + +#endif + |