mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 17:51:16 +00:00
105 lines
3.5 KiB
C++
105 lines
3.5 KiB
C++
/* GStreamer mpeg2enc (mjpegtools) wrapper
|
|
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
* (c) 2006 Mark Nauwelaerts <manauw@skynet.be>
|
|
*
|
|
* gstmpeg2enc.hh: object definition
|
|
*
|
|
* 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_MPEG2ENC_H__
|
|
#define __GST_MPEG2ENC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
|
|
#include "gstmpeg2encoptions.hh"
|
|
#include "gstmpeg2encoder.hh"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MPEG2ENC \
|
|
(gst_mpeg2enc_get_type ())
|
|
#define GST_MPEG2ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MPEG2ENC, GstMpeg2enc))
|
|
#define GST_MPEG2ENC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MPEG2ENC, GstMpeg2enc))
|
|
#define GST_IS_MPEG2ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MPEG2ENC))
|
|
#define GST_IS_MPEG2ENC_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MPEG2ENC))
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (mpeg2enc_debug);
|
|
#define GST_CAT_DEFAULT mpeg2enc_debug
|
|
|
|
#define GST_MPEG2ENC_MUTEX_LOCK(m) G_STMT_START { \
|
|
GST_LOG_OBJECT (m, "locking tlock from thread %p", g_thread_self ()); \
|
|
g_mutex_lock (&m->tlock); \
|
|
GST_LOG_OBJECT (m, "locked tlock from thread %p", g_thread_self ()); \
|
|
} G_STMT_END
|
|
|
|
#define GST_MPEG2ENC_MUTEX_UNLOCK(m) G_STMT_START { \
|
|
GST_LOG_OBJECT (m, "unlocking tlock from thread %p", g_thread_self ()); \
|
|
g_mutex_unlock (&m->tlock); \
|
|
} G_STMT_END
|
|
|
|
#define GST_MPEG2ENC_WAIT(m) G_STMT_START { \
|
|
GST_LOG_OBJECT (m, "thread %p waiting", g_thread_self ()); \
|
|
g_cond_wait (&m->cond, &m->tlock); \
|
|
} G_STMT_END
|
|
|
|
#define GST_MPEG2ENC_SIGNAL(m) G_STMT_START { \
|
|
GST_LOG_OBJECT (m, "signalling from thread %p", g_thread_self ()); \
|
|
g_cond_signal (&m->cond); \
|
|
} G_STMT_END
|
|
|
|
typedef struct _GstMpeg2enc {
|
|
GstVideoEncoder base_video_encoder;
|
|
|
|
/* options wrapper */
|
|
GstMpeg2EncOptions *options;
|
|
|
|
/* general encoding object (contains rest) */
|
|
GstMpeg2Encoder *encoder;
|
|
|
|
/* lock for syncing with encoding task */
|
|
GMutex tlock;
|
|
/* with TLOCK */
|
|
/* signals counterpart thread that something changed;
|
|
* frame ready for task or buffer has been processed */
|
|
GCond cond;
|
|
/* seen eos */
|
|
gboolean eos;
|
|
/* flowreturn obtained by encoding task */
|
|
GstFlowReturn srcresult;
|
|
|
|
gboolean started;
|
|
|
|
GstVideoCodecState *input_state;
|
|
GstVideoCodecFrame *pending_frame;
|
|
} GstMpeg2enc;
|
|
|
|
typedef struct _GstMpeg2encClass {
|
|
GstVideoEncoderClass base_video_encoder_class;
|
|
} GstMpeg2encClass;
|
|
|
|
GType gst_mpeg2enc_get_type (void);
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (mpeg2enc);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MPEG2ENC_H__ */
|