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gstreamer/gst-libs/gst/vaapi/gstvaapidecoder.h

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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
/*
* gstvaapidecoder.h - VA decoder abstraction
*
legal: fix copyright notices to include "Copyright" term.
2012-01-16 09:41:10 +00:00
* Copyright (C) 2010-2011 Splitted-Desktop Systems
legal: add per-file authorship information. Credit original authors on a per-file basis as we cannot expect people to know all country-specific rules, or bother browsing through the git history.
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
legal: fix year for some copyright notices (2013).
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* Copyright (C) 2011-2013 Intel Corporation
legal: add per-file authorship information. Credit original authors on a per-file basis as we cannot expect people to know all country-specific rules, or bother browsing through the git history.
2013-11-22 04:57:18 +00:00
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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
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*
Relicense gst-libs/ code to LGPL v2.1+.
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* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
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
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*
Relicense gst-libs/ code to LGPL v2.1+.
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* This library is distributed in the hope that it will be useful,
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
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
Relicense gst-libs/ code to LGPL v2.1+.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
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
*
Relicense gst-libs/ code to LGPL v2.1+.
2010-05-03 07:07:27 +00:00
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
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
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*/
#ifndef GST_VAAPI_DECODER_H
#define GST_VAAPI_DECODER_H
#include <gst/gstbuffer.h>
decoder: add new GstVaapiDecoder API. Split decoding process into two steps: (i) parse incoming bitstreams into simple decoder-units until the frame or field is complete; and (ii) decode the whole frame or field at once. This is an ABI change.
2012-12-06 12:57:42 +00:00
#include <gst/base/gstadapter.h>
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
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#include <gst/vaapi/gstvaapisurfaceproxy.h>
decoder: add new GstVaapiDecoder API. Split decoding process into two steps: (i) parse incoming bitstreams into simple decoder-units until the frame or field is complete; and (ii) decode the whole frame or field at once. This is an ABI change.
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#include <gst/video/gstvideoutils.h>
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
G_BEGIN_DECLS
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
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#define GST_VAAPI_DECODER(obj) \
((GstVaapiDecoder *)(obj))
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
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decoder: re-indent GstVaapiDecoder base object.
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typedef struct _GstVaapiDecoder GstVaapiDecoder;
typedef void (*GstVaapiDecoderStateChangedFunc) (GstVaapiDecoder * decoder,
const GstVideoCodecState * codec_state, gpointer user_data);
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
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/**
* GstVaapiDecoderStatus:
* @GST_VAAPI_DECODER_STATUS_SUCCESS: Success.
Add more error codes. Fix documentation.
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* @GST_VAAPI_DECODER_STATUS_END_OF_STREAM: End-Of-Stream.
* @GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED: No memory left.
* @GST_VAAPI_DECODER_STATUS_ERROR_INIT_FAILED: Decoder initialization failure.
Split decoder creation with actual resources allocation and codec setup (probe). This fixes a memory leak (avctx, pctx) on destroy and most interestingly makes it possible to detect unsupported codecs.
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* @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC: Unsupported codec.
Add more error codes. Fix documentation.
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* @GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA: Not enough input data to decode.
Check for out-of-free-surfaces condition.
2010-05-15 05:36:15 +00:00
* @GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE: No surface left to hold the decoded picture.
Add more error codes. Fix documentation.
2010-04-27 11:59:23 +00:00
* @GST_VAAPI_DECODER_STATUS_ERROR_INVALID_SURFACE: Invalid surface.
decoder: add new error codes. GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE: for unsupported profile GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT: for unsupported chroma format
2011-08-05 09:52:43 +00:00
* @GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER: Invalid or unsupported bitstream data.
* @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE: Unsupported codec profile.
* @GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT: Unsupported chroma format.
decoder: expose new parse/decode API. Introduce new decoding process whereby a GstVideoCodecFrame is created first. Next, input stream buffers are accumulated into a GstAdapter, that is then passed to the _parse() function. The GstVaapiDecoder object accumulates all parsed units and when a complete frame or field is detected, that GstVideoCodecFrame is passed to the _decode() function. Ultimately, the caller receives a GstVaapiSurfaceProxy if decoding process was successful.
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* @GST_VAAPI_DECODER_STATUS_ERROR_INVALID_PARAMETER: Unsupported parameter.
Add more error codes. Fix documentation.
2010-04-27 11:59:23 +00:00
* @GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN: Unknown error.
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
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*
* Decoder status for gst_vaapi_decoder_get_surface().
*/
Do not forward declare enums. Forward declaring enums is not allowed by the C standard and aborts compilation if the header file is included in a C++ project. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-09-04 11:40:04 +00:00
typedef enum {
decoder: re-indent GstVaapiDecoder base object.
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GST_VAAPI_DECODER_STATUS_SUCCESS = 0,
GST_VAAPI_DECODER_STATUS_END_OF_STREAM,
GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED,
GST_VAAPI_DECODER_STATUS_ERROR_INIT_FAILED,
GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC,
GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA,
GST_VAAPI_DECODER_STATUS_ERROR_NO_SURFACE,
GST_VAAPI_DECODER_STATUS_ERROR_INVALID_SURFACE,
GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER,
GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE,
GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT,
GST_VAAPI_DECODER_STATUS_ERROR_INVALID_PARAMETER,
GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN = -1
Do not forward declare enums. Forward declaring enums is not allowed by the C standard and aborts compilation if the header file is included in a C++ project. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-09-04 11:40:04 +00:00
} GstVaapiDecoderStatus;
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
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
GstVaapiDecoder *
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_ref (GstVaapiDecoder * decoder);
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
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
void
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_unref (GstVaapiDecoder * decoder);
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
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
void
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_replace (GstVaapiDecoder ** old_decoder_ptr,
GstVaapiDecoder * new_decoder);
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
gpointer
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_get_user_data (GstVaapiDecoder * decoder);
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
void
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_set_user_data (GstVaapiDecoder * decoder, gpointer user_data);
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
vaapidecode: don't reset decoder if codec type is the same. Reset, i.e. destroy then create, the decoder in _setcaps() handler only if the underlying codec type actually changed. This makes it possible to be more tolerant with certain MPEG-2 streams that get parsed to form caps that are compatible with the previous state but minor changes to "codec-data".
2012-09-11 15:03:33 +00:00
GstVaapiCodec
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_get_codec (GstVaapiDecoder * decoder);
vaapidecode: don't reset decoder if codec type is the same. Reset, i.e. destroy then create, the decoder in _setcaps() handler only if the underlying codec type actually changed. This makes it possible to be more tolerant with certain MPEG-2 streams that get parsed to form caps that are compatible with the previous state but minor changes to "codec-data".
2012-09-11 15:03:33 +00:00
decoder: use GstVideoCodecState. Use standard GstVideoCodecState throughout GstVaapiDecoder and expose it with a new gst_vaapi_decoder_get_codec_state() function. This makes it possible to drop picture size (width, height) information, framerate (fps_n, fps_d) information, pixel aspect ratio (par_n, par_d) information, and interlace mode (is_interlaced field). This is a new API with backwards compatibility maintained. In particular, gst_vaapi_decoder_get_caps() is still available. Signed-off-by: Sreerenj Balachandran <sreerenj.balachandran@intel.com> Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-12-12 14:09:21 +00:00
GstVideoCodecState *
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_get_codec_state (GstVaapiDecoder * decoder);
decoder: use GstVideoCodecState. Use standard GstVideoCodecState throughout GstVaapiDecoder and expose it with a new gst_vaapi_decoder_get_codec_state() function. This makes it possible to drop picture size (width, height) information, framerate (fps_n, fps_d) information, pixel aspect ratio (par_n, par_d) information, and interlace mode (is_interlaced field). This is a new API with backwards compatibility maintained. In particular, gst_vaapi_decoder_get_caps() is still available. Signed-off-by: Sreerenj Balachandran <sreerenj.balachandran@intel.com> Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2012-12-12 14:09:21 +00:00
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
void
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_set_codec_state_changed_func (GstVaapiDecoder * decoder,
libs: use GstVaapiMiniObject for video decoders. Port GstVaapiDecoder and GstVaapiDecoder{MPEG2,MPEG4,JPEG,H264,VC1} to GstVaapiMiniObject. Add gst_vaapi_decoder_set_codec_state_changed_func() helper function to let the user add a callback to a function triggered whenever the codec state (e.g. caps) changes.
2013-05-06 12:07:17 +00:00
GstVaapiDecoderStateChangedFunc func, gpointer user_data);
Regularly update and expose decoder caps.
2010-05-15 15:33:20 +00:00
GstCaps *
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_get_caps (GstVaapiDecoder * decoder);
Regularly update and expose decoder caps.
2010-05-15 15:33:20 +00:00
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
gboolean
decoder: re-indent GstVaapiDecoder base object.
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gst_vaapi_decoder_put_buffer (GstVaapiDecoder * decoder, GstBuffer * buf);
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
decoder: update gst_vaapi_decoder_get_surface() semantics. Align gst_vaapi_decoder_get_surface() semantics with the rest of the API. That is, return a GstVaapiDecoderStatus and the decoded surface as a handle to GstVaapiSurfaceProxy in parameter. This is an API/ABI change.
2012-12-12 12:44:07 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_get_surface (GstVaapiDecoder * decoder,
GstVaapiSurfaceProxy ** out_proxy_ptr);
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
decoder: add gst_vaapi_decoder_get_frame() API. Add new gst_vaapi_decoder_get_frame() function meant to be used with gst_vaapi_decoder_decode(). The purpose is to return the next decoded frame as a GstVideoCodecFrame and the associated GstVaapiSurfaceProxy as the user-data object.
2012-12-13 13:27:18 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_get_frame (GstVaapiDecoder * decoder,
GstVideoCodecFrame ** out_frame_ptr);
decoder: add gst_vaapi_decoder_get_frame() API. Add new gst_vaapi_decoder_get_frame() function meant to be used with gst_vaapi_decoder_decode(). The purpose is to return the next decoded frame as a GstVideoCodecFrame and the associated GstVaapiSurfaceProxy as the user-data object.
2012-12-13 13:27:18 +00:00
decoder: add gst_vaapi_decoder_get_frame_with_timeout(). Add gst_vaapi_decoder_get_frame_with_timeout() helper function that will wait for a frame to be decoded, until the specified timeout in microseconds, prior to returning to the caller. This is a fix to performance regression from 851cc0, whereby the vaapidecode loop executed on the srcpad task was called to often, thus starving all CPU resources.
2013-04-25 11:56:18 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_get_frame_with_timeout (GstVaapiDecoder * decoder,
GstVideoCodecFrame ** out_frame_ptr, guint64 timeout);
decoder: add gst_vaapi_decoder_get_frame_with_timeout(). Add gst_vaapi_decoder_get_frame_with_timeout() helper function that will wait for a frame to be decoded, until the specified timeout in microseconds, prior to returning to the caller. This is a fix to performance regression from 851cc0, whereby the vaapidecode loop executed on the srcpad task was called to often, thus starving all CPU resources.
2013-04-25 11:56:18 +00:00
decoder: expose new parse/decode API. Introduce new decoding process whereby a GstVideoCodecFrame is created first. Next, input stream buffers are accumulated into a GstAdapter, that is then passed to the _parse() function. The GstVaapiDecoder object accumulates all parsed units and when a complete frame or field is detected, that GstVideoCodecFrame is passed to the _decode() function. Ultimately, the caller receives a GstVaapiSurfaceProxy if decoding process was successful.
2012-11-29 14:06:00 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_parse (GstVaapiDecoder * decoder,
GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos,
guint * got_unit_size_ptr, gboolean * got_frame_ptr);
decoder: expose new parse/decode API. Introduce new decoding process whereby a GstVideoCodecFrame is created first. Next, input stream buffers are accumulated into a GstAdapter, that is then passed to the _parse() function. The GstVaapiDecoder object accumulates all parsed units and when a complete frame or field is detected, that GstVideoCodecFrame is passed to the _decode() function. Ultimately, the caller receives a GstVaapiSurfaceProxy if decoding process was successful.
2012-11-29 14:06:00 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_decode (GstVaapiDecoder * decoder,
GstVideoCodecFrame * frame);
decoder: expose new parse/decode API. Introduce new decoding process whereby a GstVideoCodecFrame is created first. Next, input stream buffers are accumulated into a GstAdapter, that is then passed to the _parse() function. The GstVaapiDecoder object accumulates all parsed units and when a complete frame or field is detected, that GstVideoCodecFrame is passed to the _decode() function. Ultimately, the caller receives a GstVaapiSurfaceProxy if decoding process was successful.
2012-11-29 14:06:00 +00:00
decoder: add GstVaapiDecoder::flush() hook.
2013-01-17 17:33:32 +00:00
GstVaapiDecoderStatus
decoder: re-indent GstVaapiDecoder base object.
2014-04-25 11:57:02 +00:00
gst_vaapi_decoder_flush (GstVaapiDecoder * decoder);
decoder: add GstVaapiDecoder::flush() hook.
2013-01-17 17:33:32 +00:00
vaapidecode: Check the condition after taking the lock Otherwise the condition could become true before the lock is taken and the g_cond_signal() could be called before the g_cond_wait(), so the g_cond_wait() is never awoken. https://bugzilla.gnome.org/show_bug.cgi?id=740645
2015-02-04 16:34:59 +00:00
GstVaapiDecoderStatus
gst_vaapi_decoder_check_status (GstVaapiDecoder * decoder);
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
G_END_DECLS
#endif /* GST_VAAPI_DECODER_H */
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