From 681a843070592d628cd1fa02c1902f89ea6d76fa Mon Sep 17 00:00:00 2001 From: Edgard Lima Date: Tue, 17 Oct 2006 14:24:18 +0000 Subject: Created new element nuvdemux. Original commit message from CVS: Created new element nuvdemux. --- gst/nuvdemux/gstnuvdemux.h | 173 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 gst/nuvdemux/gstnuvdemux.h (limited to 'gst/nuvdemux/gstnuvdemux.h') diff --git a/gst/nuvdemux/gstnuvdemux.h b/gst/nuvdemux/gstnuvdemux.h new file mode 100644 index 00000000..56da9ef8 --- /dev/null +++ b/gst/nuvdemux/gstnuvdemux.h @@ -0,0 +1,173 @@ +/* GStreamer + * Copyright (C) <2006> Renato Araujo Oliveira Filho + * Rosfran Borges + * + * 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_NUV_DEMUX_H__ +#define __GST_NUV_DEMUX_H__ + +#include + +#include + +G_BEGIN_DECLS + +#define GST_TYPE_NUV_DEMUX \ + (gst_nuv_demux_get_type ()) +#define GST_NUV_DEMUX(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NUV_DEMUX, GstNuvDemux)) +#define GST_NUV_DEMUX_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NUV_DEMUX, GstNuvDemuxClass)) +#define GST_IS_NUV_DEMUX(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NUV_DEMUX)) +#define GST_IS_NUV_DEMUX_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NUV_DEMUX)) + + +/* */ +typedef struct +{ + gchar id[12]; /* "NuppelVideo\0" or "MythTVVideo\0" */ + gchar version[5]; /* "x.xx\0" */ + + gint i_width; + gint i_height; + gint i_width_desired; + gint i_height_desired; + + gchar i_mode; /* P progressive, I interlaced */ + + gdouble d_aspect; /* 1.0 squared pixel */ + gdouble d_fps; + + gint i_video_blocks; /* 0 no video, -1 unknown */ + gint i_audio_blocks; + gint i_text_blocks; + + gint i_keyframe_distance; + +} nuv_header; + +typedef struct +{ + gchar i_type; /* A: audio, V: video, S: sync; T: test + R: Seekpoint (string:RTjjjjjjjj) + D: Extra data for codec */ + gchar i_compression; /* V: 0 uncompressed + 1 RTJpeg + 2 RTJpeg+lzo + N black frame + L copy last + A: 0 uncompressed (44100 1-bits, 2ch) + 1 lzo + 2 layer 2 + 3 layer 3 + F flac + S shorten + N null frame loudless + L copy last + S: B audio and vdeo sync point + A audio sync info (timecode == effective + dsp frequency*100) + V next video sync (timecode == next video + frame num) + S audio,video,text correlation */ + gchar i_keyframe; /* 0 keyframe, else no no key frame */ + guint8 i_filters; /* 0x01: gauss 5 pixel (8,2,2,2,2)/16 + 0x02: gauss 5 pixel (8,1,1,1,1)/12 + 0x04: cartoon filter */ + + guint32 i_timecode; /* ms */ + + guint32 i_length; /* V,A,T: length of following data + S: length of packet correl */ +} nuv_frame_header; + +/* FIXME Not sure of this one */ +typedef struct +{ + gint i_version; + guint32 i_video_fcc; + + guint32 i_audio_fcc; + gint i_audio_sample_rate; + gint i_audio_bits_per_sample; + gint i_audio_channels; + gint i_audio_compression_ratio; + gint i_audio_quality; + gint i_rtjpeg_quality; + gint i_rtjpeg_luma_filter; + gint i_rtjpeg_chroma_filter; + gint i_lavc_bitrate; + gint i_lavc_qmin; + gint i_lavc_qmax; + gint i_lavc_maxqdiff; + gint64 i_seekable_offset; + gint64 i_keyframe_adjust_offset; + +} nuv_extended_header; + +typedef enum { + GST_NUV_DEMUX_START, + GST_NUV_DEMUX_HEADER_DATA, + GST_NUV_DEMUX_EXTRA_DATA, + GST_NUV_DEMUX_MPEG_DATA, + GST_NUV_DEMUX_EXTEND_HEADER, + GST_NUV_DEMUX_EXTEND_HEADER_DATA, + GST_NUV_DEMUX_FRAME_HEADER, + GST_NUV_DEMUX_MOVI, + GST_NUV_DEMUX_INVALID_DATA +} GstNuvDemuxState; + +typedef struct _GstNuvDemux { + GstElement parent; + + guint mode; + GstAdapter *adapter; + guint64 video_offset; + guint64 audio_offset; + + /* pads */ + GstPad *sinkpad; + GstPad *src_video_pad; + GstPad *src_audio_pad; + gboolean first_video; + gboolean first_audio; + + /* NUV decoding state */ + GstNuvDemuxState state; + guint64 offset; + + /* Mpeg ExtraData */ + guint64 mpeg_data_size; + GstBuffer *mpeg_buffer; + + nuv_header *h; + nuv_extended_header *eh; + nuv_frame_header *fh; +} GstNuvDemux; + +typedef struct _GstNuvDemuxClass { + GstElementClass parent_class; +} GstNuvDemuxClass; + +GType gst_nuv_demux_get_type (void); + +G_END_DECLS + +#endif /* __GST_NUV_DEMUX_H__ */ -- cgit v1.2.1