| /* GStreamer RealMedia demuxer |
| * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> |
| * |
| * 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| |
| #ifndef __GST_RMDEMUX_H__ |
| #define __GST_RMDEMUX_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstadapter.h> |
| #include <gst/base/gstflowcombiner.h> |
| #include <gst/pbutils/descriptions.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_RMDEMUX \ |
| (gst_rmdemux_get_type()) |
| #define GST_RMDEMUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RMDEMUX,GstRMDemux)) |
| #define GST_RMDEMUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RMDEMUX,GstRMDemuxClass)) |
| #define GST_IS_RMDEMUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RMDEMUX)) |
| #define GST_IS_RMDEMUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RMDEMUX)) |
| |
| typedef enum |
| { |
| RMDEMUX_STATE_NULL, |
| RMDEMUX_STATE_HEADER, |
| RMDEMUX_STATE_HEADER_UNKNOWN, |
| RMDEMUX_STATE_HEADER_RMF, |
| RMDEMUX_STATE_HEADER_PROP, |
| RMDEMUX_STATE_HEADER_MDPR, |
| RMDEMUX_STATE_HEADER_INDX, |
| RMDEMUX_STATE_HEADER_DATA, |
| RMDEMUX_STATE_HEADER_CONT, |
| RMDEMUX_STATE_HEADER_SEEKING, |
| RMDEMUX_STATE_SEEKING, |
| RMDEMUX_STATE_DATA_PACKET, |
| RMDEMUX_STATE_SEEKING_EOS, |
| RMDEMUX_STATE_EOS, |
| RMDEMUX_STATE_INDX_DATA |
| } GstRMDemuxState; |
| |
| typedef enum |
| { |
| RMDEMUX_LOOP_STATE_HEADER, |
| RMDEMUX_LOOP_STATE_INDEX, |
| RMDEMUX_LOOP_STATE_DATA |
| } GstRMDemuxLoopState; |
| |
| typedef enum |
| { |
| GST_RMDEMUX_STREAM_UNKNOWN, |
| GST_RMDEMUX_STREAM_VIDEO, |
| GST_RMDEMUX_STREAM_AUDIO, |
| GST_RMDEMUX_STREAM_FILEINFO |
| } GstRMDemuxStreamType; |
| |
| typedef struct _GstRMDemux GstRMDemux; |
| typedef struct _GstRMDemuxClass GstRMDemuxClass; |
| typedef struct _GstRMDemuxStream GstRMDemuxStream; |
| |
| struct _GstRMDemux { |
| GstElement element; |
| |
| /* pads */ |
| GstPad *sinkpad; |
| |
| gboolean have_group_id; |
| guint group_id; |
| |
| GSList *streams; |
| guint n_video_streams; |
| guint n_audio_streams; |
| GstAdapter *adapter; |
| gboolean have_pads; |
| |
| GstFlowCombiner *flowcombiner; |
| |
| guint32 timescale; |
| guint64 duration; |
| guint32 avg_packet_size; |
| guint32 index_offset; |
| guint32 data_offset; |
| guint32 num_packets; |
| |
| guint offset; |
| gboolean seekable; |
| |
| GstRMDemuxState state; |
| GstRMDemuxLoopState loop_state; |
| GstRMDemuxStream *index_stream; |
| |
| /* playback start/stop positions */ |
| GstSegment segment; |
| gboolean segment_running; |
| gboolean running; |
| |
| /* Whether we need to send a newsegment event */ |
| gboolean need_newsegment; |
| |
| /* Current timestamp */ |
| GstClockTime cur_timestamp; |
| |
| /* First timestamp */ |
| GstClockTime base_ts; |
| GstClockTime first_ts; |
| |
| int n_chunks; |
| int chunk_index; |
| |
| guint32 object_id; |
| guint32 size; |
| guint16 object_version; |
| |
| /* container tags for all streams */ |
| GstTagList *pending_tags; |
| }; |
| |
| struct _GstRMDemuxClass { |
| GstElementClass parent_class; |
| }; |
| |
| /* RealMedia VideoCodec FOURCC codes */ |
| #define GST_RM_VDO_RV10 GST_MAKE_FOURCC('R','V','1','0') // RealVideo 1 |
| #define GST_RM_VDO_RV20 GST_MAKE_FOURCC('R','V','2','0') // RealVideo G2 |
| #define GST_RM_VDO_RV30 GST_MAKE_FOURCC('R','V','3','0') // RealVideo 8 |
| #define GST_RM_VDO_RV40 GST_MAKE_FOURCC('R','V','4','0') // RealVideo 9+10 |
| |
| /* RealMedia AudioCodec FOURCC codes */ |
| #define GST_RM_AUD_14_4 GST_MAKE_FOURCC('1','4','_','4') // 14.4 Audio Codec |
| #define GST_RM_AUD_28_8 GST_MAKE_FOURCC('2','8','_','8') // 28.8 Audio Codec |
| #define GST_RM_AUD_COOK GST_MAKE_FOURCC('c','o','o','k') // Cooker G2 Audio Codec |
| #define GST_RM_AUD_DNET GST_MAKE_FOURCC('d','n','e','t') // DolbyNet Audio Codec (low bitrate Dolby AC3) |
| #define GST_RM_AUD_SIPR GST_MAKE_FOURCC('s','i','p','r') // Sipro/ACELP.NET Voice Codec |
| #define GST_RM_AUD_RAAC GST_MAKE_FOURCC('r','a','a','c') // LE-AAC Audio Codec |
| #define GST_RM_AUD_RACP GST_MAKE_FOURCC('r','a','c','p') // HE-AAC Audio Codec |
| #define GST_RM_AUD_RALF GST_MAKE_FOURCC('r','a','l','f') // RealAudio Lossless |
| #define GST_RM_AUD_ATRC GST_MAKE_FOURCC('a','t','r','c') // Sony ATRAC3 Audio Codec |
| |
| #define GST_RM_AUD_xRA4 GST_MAKE_FOURCC('.','r','a','4') // Not a real audio codec |
| #define GST_RM_AUD_xRA5 GST_MAKE_FOURCC('.','r','a','5') // Not a real audio codec |
| |
| gboolean gst_rmdemux_plugin_init (GstPlugin * plugin); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_RMDEMUX_H__ */ |