gstreamer/gst-libs/gst/vaapi/gstvaapidecoder_priv.h
gb a203d19a35 Add initial (multithreaded) decoder based on FFmpeg.
There are tons of bugs left:
- Decoder API not nice enough with error conditions
- FFmpeg parser is sometimes broken
- Packets queue can be lost
2010-04-23 16:05:58 +00:00

123 lines
3.6 KiB
C

/*
* gstvaapidecoder_priv.h - VA decoder abstraction (private definitions)
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_DECODER_PRIV_H
#define GST_VAAPI_DECODER_PRIV_H
#include <glib.h>
#include <gst/base/gstadapter.h>
#include <gst/vaapi/gstvaapidecoder.h>
#include <gst/vaapi/gstvaapicontext.h>
G_BEGIN_DECLS
#define GST_VAAPI_DECODER_CAST(decoder) ((GstVaapiDecoder *)(decoder))
/**
* GST_VAAPI_DECODER_DISPLAY:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiDisplay of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_DISPLAY
#define GST_VAAPI_DECODER_DISPLAY(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->priv->display
/**
* GST_VAAPI_DECODER_CONTEXT:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiContext of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CONTEXT
#define GST_VAAPI_DECODER_CONTEXT(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->priv->context
/**
* GST_VAAPI_DECODER_CODEC:
* @decoder: a #GstVaapiDecoder
*
* Macro that evaluates to the #GstVaapiCodec of @decoder.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DECODER_CODEC
#define GST_VAAPI_DECODER_CODEC(decoder) \
GST_VAAPI_DECODER_CAST(decoder)->priv->codec
#define GST_VAAPI_DECODER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_DECODER, \
GstVaapiDecoderPrivate))
struct _GstVaapiDecoderPrivate {
GstVaapiDisplay *display;
GstVaapiContext *context;
GstVaapiCodec codec;
GstAdapter *adapter;
GMutex *adapter_mutex;
GCond *adapter_cond;
GQueue surfaces;
GMutex *surfaces_mutex;
GCond *surfaces_cond;
GThread *decoder_thread;
guint decoder_thread_cancel : 1;
};
gboolean
gst_vaapi_decoder_ensure_context(
GstVaapiDecoder *decoder,
GstVaapiProfile profile,
GstVaapiEntrypoint entrypoint,
guint width,
guint height
) attribute_hidden;
guint
gst_vaapi_decoder_copy(
GstVaapiDecoder *decoder,
guint offset,
guchar *buf,
guint buf_size
) attribute_hidden;
guint
gst_vaapi_decoder_read_avail(GstVaapiDecoder *decoder)
attribute_hidden;
guint
gst_vaapi_decoder_read(GstVaapiDecoder *decoder, guchar *buf, guint buf_size)
attribute_hidden;
void
gst_vaapi_decoder_flush(GstVaapiDecoder *decoder, guint buf_size)
attribute_hidden;
gboolean
gst_vaapi_decoder_push_surface(
GstVaapiDecoder *decoder,
GstVaapiSurface *surface
) attribute_hidden;
G_END_DECLS
#endif /* GST_VAAPI_DECODER_PRIV_H */