| /* AVI muxer plugin for GStreamer |
| * Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net> |
| * |
| * 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_AVI_MUX_H__ |
| #define __GST_AVI_MUX_H__ |
| |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstcollectpads.h> |
| #include <gst/riff/riff-ids.h> |
| #include "avi-ids.h" |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_AVI_MUX \ |
| (gst_avi_mux_get_type()) |
| #define GST_AVI_MUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVI_MUX,GstAviMux)) |
| #define GST_AVI_MUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVI_MUX,GstAviMuxClass)) |
| #define GST_IS_AVI_MUX(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVI_MUX)) |
| #define GST_IS_AVI_MUX_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVI_MUX)) |
| |
| #define GST_AVI_INDEX_OF_INDEXES 0 |
| #define GST_AVI_INDEX_OF_CHUNKS 1 |
| |
| /* this allows indexing up to 64GB avi file */ |
| #define GST_AVI_SUPERINDEX_COUNT 32 |
| |
| /* max size */ |
| #define GST_AVI_MAX_SIZE 0x40000000 |
| |
| typedef struct _gst_avi_superindex_entry { |
| guint64 offset; |
| guint32 size; |
| guint32 duration; |
| } gst_avi_superindex_entry; |
| |
| typedef struct _gst_riff_strh_full { |
| gst_riff_strh parent; |
| /* rcFrame, RECT structure (struct of 4 shorts) */ |
| gint16 left; |
| gint16 top; |
| gint16 right; |
| gint16 bottom; |
| } gst_riff_strh_full; |
| |
| typedef struct _GstAviPad GstAviPad; |
| typedef struct _GstAviMux GstAviMux; |
| typedef struct _GstAviMuxClass GstAviMuxClass; |
| |
| typedef GstFlowReturn (*GstAviPadHook) (GstAviMux * avi, GstAviPad * avipad, |
| GstBuffer * buffer); |
| |
| struct _GstAviPad { |
| /* do not extend, link to it */ |
| /* is NULL if original sink request pad has been removed */ |
| GstCollectData *collect; |
| |
| /* type */ |
| gboolean is_video; |
| gboolean connected; |
| |
| /* chunk tag */ |
| gchar *tag; |
| |
| /* stream header */ |
| gst_riff_strh hdr; |
| |
| /* odml super indexes */ |
| gst_avi_superindex_entry idx[GST_AVI_SUPERINDEX_COUNT]; |
| gint idx_index; |
| gchar *idx_tag; |
| |
| /* stream specific hook */ |
| GstAviPadHook hook; |
| }; |
| |
| typedef struct _GstAviVideoPad { |
| GstAviPad parent; |
| |
| /* stream format */ |
| gst_riff_strf_vids vids; |
| /* extra data */ |
| GstBuffer *vids_codec_data; |
| /* ODML video properties */ |
| gst_riff_vprp vprp; |
| |
| GstBuffer *prepend_buffer; |
| |
| } GstAviVideoPad; |
| |
| typedef struct _GstAviAudioPad { |
| GstAviPad parent; |
| |
| /* stream format */ |
| gst_riff_strf_auds auds; |
| /* audio info for bps calculation */ |
| guint32 audio_size; |
| guint64 audio_time; |
| /* max audio chunk size for vbr */ |
| guint32 max_audio_chunk; |
| |
| /* counts the number of samples to put in indx chunk |
| * useful for raw audio where usually there are more than |
| * 1 sample in each GstBuffer */ |
| gint samples; |
| |
| /* extra data */ |
| GstBuffer *auds_codec_data; |
| } GstAviAudioPad; |
| |
| typedef struct _GstAviCollectData { |
| /* extend the CollectData */ |
| GstCollectData collect; |
| |
| GstAviPad *avipad; |
| } GstAviCollectData; |
| |
| struct _GstAviMux { |
| GstElement element; |
| |
| /* pads */ |
| GstPad *srcpad; |
| /* sinkpads, video first */ |
| GSList *sinkpads; |
| /* video restricted to 1 pad */ |
| guint video_pads, audio_pads; |
| GstCollectPads *collect; |
| |
| /* the AVI header */ |
| /* still some single stream video data in mux struct */ |
| gst_riff_avih avi_hdr; |
| /* total number of (video) frames */ |
| guint32 total_frames; |
| /* amount of total data (bytes) */ |
| guint64 total_data; |
| /* amount of data (bytes) in the AVI/AVIX block; |
| * actually the movi list, so counted from and including the movi tag */ |
| guint32 data_size, datax_size; |
| /* num (video) frames in the AVI/AVIX block */ |
| guint32 num_frames, numx_frames; |
| /* size of hdrl list, including tag as usual */ |
| |
| /* total size of extra codec data */ |
| guint32 codec_data_size; |
| /* state info */ |
| gboolean write_header; |
| gboolean restart; |
| |
| /* tags */ |
| GstTagList *tags_snap; |
| |
| /* information about the AVI index ('idx') */ |
| gst_riff_index_entry *idx; |
| gint idx_index, idx_count; |
| /* offset of *chunk* (relative to a base offset); entered in the index */ |
| guint32 idx_offset; |
| /* size of idx1 chunk (including! chunk header and size bytes) */ |
| guint32 idx_size; |
| |
| /* are we a big file already? */ |
| gboolean is_bigfile; |
| guint64 avix_start; |
| |
| /* whether to use "large AVI files" or just stick to small indexed files */ |
| gboolean enable_large_avi; |
| }; |
| |
| struct _GstAviMuxClass { |
| GstElementClass parent_class; |
| }; |
| |
| GType gst_avi_mux_get_type(void); |
| |
| G_END_DECLS |
| |
| |
| #endif /* __GST_AVI_MUX_H__ */ |