mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 18:20:44 +00:00
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*
|
|
* Interplay MVE muxer plugin for GStreamer
|
|
* Copyright (C) 2006 Jens Granseuer <jensgr@gmx.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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_MVE_MUX_H__
|
|
#define __GST_MVE_MUX_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MVE_MUX \
|
|
(gst_mve_mux_get_type())
|
|
#define GST_MVE_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MVE_MUX,GstMveMux))
|
|
#define GST_MVE_MUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MVE_MUX,GstMveMux))
|
|
#define GST_IS_MVE_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MVE_MUX))
|
|
#define GST_IS_MVE_MUX_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MVE_MUX))
|
|
|
|
|
|
typedef struct _GstMveMux GstMveMux;
|
|
typedef struct _GstMveMuxClass GstMveMuxClass;
|
|
|
|
struct _GstMveMux {
|
|
GstElement element;
|
|
GMutex *lock;
|
|
|
|
/* pads */
|
|
GstPad *source;
|
|
GstPad *videosink;
|
|
GstPad *audiosink;
|
|
|
|
gboolean audio_pad_connected;
|
|
gboolean audio_pad_eos;
|
|
gboolean video_pad_connected;
|
|
gboolean video_pad_eos;
|
|
|
|
guint64 stream_offset;
|
|
/* audio stream time, really */
|
|
GstClockTime stream_time;
|
|
guint timer;
|
|
gint state;
|
|
|
|
/* ticks per frame */
|
|
GstClockTime frame_duration;
|
|
|
|
/* video stream properties */
|
|
guint16 width, height;
|
|
guint16 screen_width, screen_height;
|
|
/* bits per pixel */
|
|
guint8 bpp;
|
|
/* previous frames */
|
|
GstBuffer *last_frame;
|
|
GstBuffer *second_last_frame;
|
|
/* number of encoded frames */
|
|
guint16 video_frames;
|
|
/* palette handling */
|
|
gboolean pal_changed;
|
|
guint16 pal_first_color;
|
|
guint16 pal_colors;
|
|
/* whether to use expensive opcodes */
|
|
gboolean quick_encoding;
|
|
|
|
/* audio stream properties */
|
|
/* bits per sample */
|
|
guint8 bps;
|
|
guint32 rate;
|
|
guint8 channels;
|
|
gboolean compression;
|
|
/* current audio stream time */
|
|
GstClockTime next_ts;
|
|
/* maximum audio time we know about */
|
|
GstClockTime max_ts;
|
|
/* sample bytes per frame */
|
|
guint16 spf;
|
|
/* number of frames to use for audio lead-in */
|
|
guint16 lead_frames;
|
|
/* number of encoded frames */
|
|
guint16 audio_frames;
|
|
|
|
/* current chunk */
|
|
guint8 *chunk_code_map;
|
|
GByteArray *chunk_video;
|
|
GByteArray *chunk_audio;
|
|
gboolean chunk_has_palette;
|
|
gboolean chunk_has_audio;
|
|
|
|
/* buffers for incoming data */
|
|
GQueue *audio_buffer;
|
|
GQueue *video_buffer;
|
|
};
|
|
|
|
struct _GstMveMuxClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_mve_mux_get_type (void);
|
|
|
|
GstFlowReturn mve_encode_frame8 (GstMveMux * mve,
|
|
GstBuffer * frame, const guint32 * palette, guint16 max_data);
|
|
GstFlowReturn mve_encode_frame16 (GstMveMux * mve,
|
|
GstBuffer * frame, guint16 max_data);
|
|
gint mve_compress_audio (guint8 * dest,
|
|
const guint8 * src, guint16 len, guint8 channels);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MVE_MUX_H__ */
|