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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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a203d19a35
There are tons of bugs left: - Decoder API not nice enough with error conditions - FFmpeg parser is sometimes broken - Packets queue can be lost
137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
/*
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* gstvaapidecoder.h - VA decoder abstraction
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef GST_VAAPI_DECODER_H
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#define GST_VAAPI_DECODER_H
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#include <gst/gstbuffer.h>
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#include <gst/vaapi/gstvaapicontext.h>
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#include <gst/vaapi/gstvaapisurfaceproxy.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_DECODER \
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(gst_vaapi_decoder_get_type())
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#define GST_VAAPI_DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_DECODER, \
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GstVaapiDecoder))
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#define GST_VAAPI_DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_DECODER, \
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GstVaapiDecoderClass))
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#define GST_VAAPI_IS_DECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DECODER))
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#define GST_VAAPI_IS_DECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DECODER))
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#define GST_VAAPI_DECODER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_DECODER, \
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GstVaapiDecoderClass))
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typedef enum _GstVaapiDecoderStatus GstVaapiDecoderStatus;
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typedef struct _GstVaapiDecoder GstVaapiDecoder;
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typedef struct _GstVaapiDecoderPrivate GstVaapiDecoderPrivate;
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typedef struct _GstVaapiDecoderClass GstVaapiDecoderClass;
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/**
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* GstVaapiDecoderStatus:
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* @GST_VAAPI_DECODER_STATUS_SUCCESS: Success.
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* @GST_VAAPI_DECODER_STATUS_TIMEOUT: Timeout. Try again later.
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* @GST_VAAPI_DECODER_STATUS_EOS: End-Of-Stream.
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* @GST_VAAPI_DECODER_STATUS_ERROR: Unknown error.
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*
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* Decoder status for gst_vaapi_decoder_get_surface().
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*/
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enum _GstVaapiDecoderStatus {
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GST_VAAPI_DECODER_STATUS_SUCCESS = 0,
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GST_VAAPI_DECODER_STATUS_TIMEOUT,
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GST_VAAPI_DECODER_STATUS_END_OF_STREAM,
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GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED,
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GST_VAAPI_DECODER_STATUS_ERROR_INIT_FAILED,
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GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN
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};
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/**
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* GstVaapiDecoder:
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*
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* A VA decoder base instance.
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*/
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struct _GstVaapiDecoder {
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/*< private >*/
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GObject parent_instance;
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GstVaapiDecoderPrivate *priv;
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};
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/**
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* GstVaapiDecoderClass:
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* @decode: decode one frame.
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*
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* A VA decoder base class.
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*/
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struct _GstVaapiDecoderClass {
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/*< private >*/
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GObjectClass parent_class;
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GstVaapiDecoderStatus (*decode)(GstVaapiDecoder *decoder);
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};
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GType
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gst_vaapi_decoder_get_type(void);
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gboolean
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gst_vaapi_decoder_put_buffer_data(
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GstVaapiDecoder *decoder,
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const guchar *buf,
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guint buf_size
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);
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gboolean
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gst_vaapi_decoder_put_buffer_data_copy(
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GstVaapiDecoder *decoder,
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const guchar *buf,
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guint buf_size
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);
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gboolean
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gst_vaapi_decoder_put_buffer(GstVaapiDecoder *decoder, GstBuffer *buf);
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GstVaapiSurfaceProxy *
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gst_vaapi_decoder_get_surface(
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GstVaapiDecoder *decoder,
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GstVaapiDecoderStatus *pstatus
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);
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GstVaapiSurfaceProxy *
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gst_vaapi_decoder_timed_get_surface(
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GstVaapiDecoder *decoder,
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guint32 timeout,
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GstVaapiDecoderStatus *pstatus
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);
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G_END_DECLS
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#endif /* GST_VAAPI_DECODER_H */
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