From ad6ed7da2d0d15eecc924dfe408320652481e885 Mon Sep 17 00:00:00 2001 From: Andy Wingo Date: Sat, 22 Dec 2001 23:26:33 +0000 Subject: Initial revision Original commit message from CVS: Initial revision --- gst/mpeg1sys/buffer.h | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 gst/mpeg1sys/buffer.h (limited to 'gst/mpeg1sys/buffer.h') diff --git a/gst/mpeg1sys/buffer.h b/gst/mpeg1sys/buffer.h new file mode 100644 index 00000000..f3eba4f7 --- /dev/null +++ b/gst/mpeg1sys/buffer.h @@ -0,0 +1,141 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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 __BUFFER_H__ +#define __BUFFER_H__ + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define MPEG1MUX_BUFFER_QUEUED(mb) (g_list_length((mb)->timecode_list)) +#define MPEG1MUX_BUFFER_SPACE(mb) ((mb)->length) +#define MPEG1MUX_BUFFER_DATA(mb) ((mb)->buffer) +#define MPEG1MUX_BUFFER_TYPE(mb) ((mb)->buffer) +#define MPEG1MUX_BUFFER_FIRST_TIMECODE(mb) (g_list_first((mb)->timecode_list)->data) + +#define BUFFER_TYPE_VIDEO 1 +#define BUFFER_TYPE_AUDIO 2 + +#define FRAME_TYPE_IFRAME 1 +#define FRAME_TYPE_BFRAME 2 +#define FRAME_TYPE_PFRAME 3 +#define FRAME_TYPE_AUDIO 4 + +typedef struct _Mpeg1MuxBuffer Mpeg1MuxBuffer; +typedef struct _Mpeg1MuxTimecode Mpeg1MuxTimecode; + +typedef struct video_struc /* Informationen ueber Video Stream */ +{ + unsigned int stream_length ; + unsigned int num_sequence ; + unsigned int num_seq_end ; + unsigned int num_pictures ; + unsigned int num_groups ; + unsigned int num_frames[4] ; + unsigned int avg_frames[4] ; + + unsigned int horizontal_size; + unsigned int vertical_size ; + unsigned int aspect_ratio ; + unsigned int picture_rate ; + unsigned int bit_rate ; + unsigned int comp_bit_rate ; + unsigned int vbv_buffer_size; + unsigned int CSPF ; + + guint64 PTS; + guint64 DTS; + + guint64 current_PTS; + guint64 current_DTS; + guchar current_type; + + double secs_per_frame; + gulong group_order, decoding_order; +} Video_struc; + +typedef struct audio_struc /* Informationen ueber Audio Stream */ +{ + unsigned int stream_length ; + unsigned int num_syncword ; + unsigned int num_frames [2] ; + unsigned int framesize ; + unsigned int layer ; + unsigned int protection ; + unsigned int bit_rate ; + unsigned int frequency ; + unsigned int mode ; + unsigned int mode_extension ; + unsigned int copyright ; + unsigned int original_copy ; + unsigned int emphasis ; + + guint64 PTS; + + guint64 current_PTS; + + double samples_per_second; + gulong decoding_order; +} Audio_struc; + +struct _Mpeg1MuxTimecode { + gulong length; + gulong original_length; + guchar frame_type; + guint64 PTS; + guint64 DTS; +}; + +struct _Mpeg1MuxBuffer { + unsigned char *buffer; + gulong length; + gulong base; + gulong scan_pos; + gulong last_pos; + gulong current_start; + guchar buffer_type; + guchar stream_id; + gboolean new_frame; + guint64 next_frame_time; + + union { + Video_struc video; + Audio_struc audio; + } info; + + GList *timecode_list; + GList *queued_list; +}; + +Mpeg1MuxBuffer *mpeg1mux_buffer_new(guchar type, guchar id); + +void mpeg1mux_buffer_queue(Mpeg1MuxBuffer *mb, GstBuffer *buf); +void mpeg1mux_buffer_shrink(Mpeg1MuxBuffer *mb, gulong size); +gulong mpeg1mux_buffer_update_queued(Mpeg1MuxBuffer *mb, guint64 scr); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __BUFFER_H__ */ -- cgit v1.2.1