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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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d1b7dc21f8
JPEG and VP8 codecs do not really support the concept of "profile". So, don't try to expose any set that wouldn't be supported by jpegparse, or ivfparse for instance. https://bugzilla.gnome.org/show_bug.cgi?id=739713 https://bugzilla.gnome.org/show_bug.cgi?id=739714
503 lines
14 KiB
C
503 lines
14 KiB
C
/*
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* gstvaapiprofile.c - VA profile abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2012-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:gstvaapiprofile
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* @short_description: VA profile abstraction
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*/
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#include "sysdeps.h"
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#include <string.h>
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#include <gst/gstbuffer.h>
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#include "gstvaapicompat.h"
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#include "gstvaapiprofile.h"
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#include "gstvaapiworkarounds.h"
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typedef struct _GstVaapiCodecMap GstVaapiCodecMap;
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typedef struct _GstVaapiProfileMap GstVaapiProfileMap;
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typedef struct _GstVaapiEntrypointMap GstVaapiEntrypointMap;
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struct _GstVaapiCodecMap {
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GstVaapiCodec codec;
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const gchar *name;
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};
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struct _GstVaapiProfileMap {
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GstVaapiProfile profile;
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VAProfile va_profile;
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const char *media_str;
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const gchar *profile_str;
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};
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struct _GstVaapiEntrypointMap {
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GstVaapiEntrypoint entrypoint;
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VAEntrypoint va_entrypoint;
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};
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/* Codecs */
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static const GstVaapiCodecMap gst_vaapi_codecs[] = {
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{ GST_VAAPI_CODEC_MPEG1, "mpeg1" },
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{ GST_VAAPI_CODEC_MPEG2, "mpeg2" },
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{ GST_VAAPI_CODEC_MPEG4, "mpeg4" },
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{ GST_VAAPI_CODEC_H263, "h263" },
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{ GST_VAAPI_CODEC_H264, "h264" },
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{ GST_VAAPI_CODEC_WMV3, "wmv3" },
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{ GST_VAAPI_CODEC_VC1, "vc1" },
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{ GST_VAAPI_CODEC_JPEG, "jpeg" },
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{ GST_VAAPI_CODEC_VP8, "vp8" },
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{ 0, }
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};
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/* Profiles */
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static const GstVaapiProfileMap gst_vaapi_profiles[] = {
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{ GST_VAAPI_PROFILE_MPEG2_SIMPLE, VAProfileMPEG2Simple,
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"video/mpeg, mpegversion=2", "simple"
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},
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{ GST_VAAPI_PROFILE_MPEG2_MAIN, VAProfileMPEG2Main,
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"video/mpeg, mpegversion=2", "main"
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},
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{ GST_VAAPI_PROFILE_MPEG4_SIMPLE, VAProfileMPEG4Simple,
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"video/mpeg, mpegversion=4", "simple"
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},
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{ GST_VAAPI_PROFILE_MPEG4_ADVANCED_SIMPLE, VAProfileMPEG4AdvancedSimple,
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"video/mpeg, mpegversion=4", "advanced-simple"
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},
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{ GST_VAAPI_PROFILE_MPEG4_MAIN, VAProfileMPEG4Main,
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"video/mpeg, mpegversion=4", "main"
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},
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{ GST_VAAPI_PROFILE_MPEG4_ADVANCED_SIMPLE, VAProfileMPEG4AdvancedSimple,
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"video/x-divx, divxversion=5", "advanced-simple"
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},
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{ GST_VAAPI_PROFILE_MPEG4_ADVANCED_SIMPLE, VAProfileMPEG4AdvancedSimple,
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"video/x-xvid", "advanced-simple"
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},
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#if VA_CHECK_VERSION(0,30,0)
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{ GST_VAAPI_PROFILE_H263_BASELINE, VAProfileH263Baseline,
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"video/x-h263, variant=itu, h263version=h263", "baseline"
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},
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#endif
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{ GST_VAAPI_PROFILE_H264_BASELINE, VAProfileH264Baseline,
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"video/x-h264", "baseline"
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},
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#if VA_CHECK_VERSION(0,31,1)
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{ GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE,
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VAProfileH264ConstrainedBaseline,
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"video/x-h264", "constrained-baseline"
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},
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#endif
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{ GST_VAAPI_PROFILE_H264_MAIN, VAProfileH264Main,
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"video/x-h264", "main"
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},
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{ GST_VAAPI_PROFILE_H264_HIGH, VAProfileH264High,
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"video/x-h264", "high"
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},
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#if VA_CHECK_VERSION(0,35,2)
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{ GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH, VAProfileH264MultiviewHigh,
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"video/x-h264", "multiview-high"
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},
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{ GST_VAAPI_PROFILE_H264_STEREO_HIGH, VAProfileH264StereoHigh,
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"video/x-h264", "stereo-high"
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},
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#endif
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{ GST_VAAPI_PROFILE_VC1_SIMPLE, VAProfileVC1Simple,
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"video/x-wmv, wmvversion=3", "simple"
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},
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{ GST_VAAPI_PROFILE_VC1_MAIN, VAProfileVC1Main,
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"video/x-wmv, wmvversion=3", "main"
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},
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{ GST_VAAPI_PROFILE_VC1_ADVANCED, VAProfileVC1Advanced,
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"video/x-wmv, wmvversion=3, " GST_MAKE_FORMAT_STRING(WVC1), "advanced"
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},
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#if VA_CHECK_VERSION(0,32,0)
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{ GST_VAAPI_PROFILE_JPEG_BASELINE, VAProfileJPEGBaseline,
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"image/jpeg", NULL
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},
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#endif
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#if VA_CHECK_VERSION(0,35,0)
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{ GST_VAAPI_PROFILE_VP8, VAProfileVP8Version0_3,
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"video/x-vp8", NULL
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},
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#endif
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{ 0, }
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};
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/* Entry-points */
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static const GstVaapiEntrypointMap gst_vaapi_entrypoints[] = {
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{ GST_VAAPI_ENTRYPOINT_VLD, VAEntrypointVLD },
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{ GST_VAAPI_ENTRYPOINT_IDCT, VAEntrypointIDCT },
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{ GST_VAAPI_ENTRYPOINT_MOCO, VAEntrypointMoComp },
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#if VA_CHECK_VERSION(0,30,0)
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{ GST_VAAPI_ENTRYPOINT_SLICE_ENCODE, VAEntrypointEncSlice },
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#endif
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{ 0, }
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};
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static const GstVaapiCodecMap *
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get_codecs_map(GstVaapiCodec codec)
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{
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const GstVaapiCodecMap *m;
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for (m = gst_vaapi_codecs; m->codec; m++)
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if (m->codec == codec)
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return m;
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return NULL;
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}
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static const GstVaapiProfileMap *
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get_profiles_map(GstVaapiProfile profile)
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{
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const GstVaapiProfileMap *m;
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for (m = gst_vaapi_profiles; m->profile; m++)
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if (m->profile == profile)
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return m;
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return NULL;
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}
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static const GstVaapiEntrypointMap *
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get_entrypoints_map(GstVaapiEntrypoint entrypoint)
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{
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const GstVaapiEntrypointMap *m;
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for (m = gst_vaapi_entrypoints; m->entrypoint; m++)
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if (m->entrypoint == entrypoint)
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return m;
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return NULL;
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}
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/**
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* gst_vaapi_codec_get_name:
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* @codec: a #GstVaapiCodec
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*
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* Returns a string representation for the supplied @codec type.
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*
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* Return value: the statically allocated string representation of @codec
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*/
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const gchar *
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gst_vaapi_codec_get_name(GstVaapiCodec codec)
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{
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const GstVaapiCodecMap * const m = get_codecs_map(codec);
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return m ? m->name : NULL;
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}
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/**
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* gst_vaapi_profile:
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* @profile: a #VAProfile
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*
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* Converts a VA profile into the corresponding #GstVaapiProfile. If
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* the profile cannot be represented by #GstVaapiProfile, then zero is
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* returned.
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*
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* Return value: the #GstVaapiProfile describing the @profile
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*/
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GstVaapiProfile
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gst_vaapi_profile(VAProfile profile)
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{
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const GstVaapiProfileMap *m;
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for (m = gst_vaapi_profiles; m->profile; m++)
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if (m->va_profile == profile)
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return m->profile;
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return 0;
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}
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/**
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* gst_vaapi_profile_get_name:
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* @profile: a #GstVaapiProfile
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*
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* Returns a string representation for the supplied @profile.
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*
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* Return value: the statically allocated string representation of @profile
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*/
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const gchar *
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gst_vaapi_profile_get_name(GstVaapiProfile profile)
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{
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const GstVaapiProfileMap * const m = get_profiles_map(profile);
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return m ? m->profile_str : NULL;
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}
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/**
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* gst_vaapi_profile_get_media_type_name:
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* @profile: a #GstVaapiProfile
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*
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* Returns a string representation for the media type of the supplied
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* @profile.
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*
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* Return value: the statically allocated string representation of
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* @profile media type
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*/
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const gchar *
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gst_vaapi_profile_get_media_type_name(GstVaapiProfile profile)
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{
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const GstVaapiProfileMap * const m = get_profiles_map(profile);
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return m ? m->media_str : NULL;
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}
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/**
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* gst_vaapi_profile_from_codec_data:
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* @codec: a #GstVaapiCodec
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* @buffer: a #GstBuffer holding code data
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*
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* Tries to parse VA profile from @buffer data and @codec information.
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*
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* Return value: the #GstVaapiProfile described in @buffer
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*/
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static GstVaapiProfile
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gst_vaapi_profile_from_codec_data_h264(GstBuffer *buffer)
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{
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/* MPEG-4 Part 15: Advanced Video Coding (AVC) file format */
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guchar buf[3];
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if (gst_buffer_extract(buffer, 0, buf, sizeof(buf)) != sizeof(buf))
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return 0;
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if (buf[0] != 1) /* configurationVersion = 1 */
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return 0;
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switch (buf[1]) { /* AVCProfileIndication */
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case 66: return ((buf[2] & 0x40) ?
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GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE :
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GST_VAAPI_PROFILE_H264_BASELINE);
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case 77: return GST_VAAPI_PROFILE_H264_MAIN;
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case 100: return GST_VAAPI_PROFILE_H264_HIGH;
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case 118: return GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH;
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case 128: return GST_VAAPI_PROFILE_H264_STEREO_HIGH;
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}
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return 0;
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}
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static GstVaapiProfile
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gst_vaapi_profile_from_codec_data(GstVaapiCodec codec, GstBuffer *buffer)
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{
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GstVaapiProfile profile;
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if (!codec || !buffer)
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return 0;
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switch (codec) {
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case GST_VAAPI_CODEC_H264:
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profile = gst_vaapi_profile_from_codec_data_h264(buffer);
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break;
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default:
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profile = 0;
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break;
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}
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return profile;
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}
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/**
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* gst_vaapi_profile_from_caps:
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* @caps: a #GstCaps
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*
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* Converts @caps into the corresponding #GstVaapiProfile. If the
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* profile cannot be represented by #GstVaapiProfile, then zero is
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* returned.
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*
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* Return value: the #GstVaapiProfile describing the @caps
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*/
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GstVaapiProfile
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gst_vaapi_profile_from_caps(const GstCaps *caps)
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{
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const GstVaapiProfileMap *m;
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GstCaps *caps_test;
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GstStructure *structure;
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const gchar *profile_str;
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GstVaapiProfile profile, best_profile;
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GstBuffer *codec_data = NULL;
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const gchar *name;
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gsize namelen;
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if (!caps)
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return 0;
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structure = gst_caps_get_structure(caps, 0);
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if (!structure)
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return 0;
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name = gst_structure_get_name(structure);
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namelen = strlen(name);
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profile_str = gst_structure_get_string(structure, "profile");
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if (!profile_str) {
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const GValue *v_codec_data;
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v_codec_data = gst_structure_get_value(structure, "codec_data");
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if (v_codec_data)
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codec_data = gst_value_get_buffer(v_codec_data);
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}
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profile = 0;
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best_profile = 0;
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for (m = gst_vaapi_profiles; !profile && m->profile; m++) {
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if (strncmp(name, m->media_str, namelen) != 0)
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continue;
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caps_test = gst_caps_from_string(m->media_str);
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if (gst_caps_is_always_compatible(caps, caps_test)) {
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best_profile = m->profile;
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if (profile_str && m->profile_str &&
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strcmp(profile_str, m->profile_str) == 0)
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profile = best_profile;
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}
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if (!profile) {
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profile = gst_vaapi_profile_from_codec_data(
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gst_vaapi_profile_get_codec(m->profile),
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codec_data
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);
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if (!profile &&
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WORKAROUND_QTDEMUX_NO_H263_PROFILES &&
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strncmp(name, "video/x-h263", namelen) == 0) {
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/* HACK: qtdemux does not report profiles for h263 */
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profile = m->profile;
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}
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}
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gst_caps_unref(caps_test);
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}
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return profile ? profile : best_profile;
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}
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/**
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* gst_vaapi_profile_get_va_profile:
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* @profile: a #GstVaapiProfile
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*
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* Converts a #GstVaapiProfile into the corresponding VA profile. If
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* no matching VA profile was found, -1 is returned and this error
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* must be reported to be fixed.
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*
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* Return value: the VA profile, or -1 if none was found
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*/
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VAProfile
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gst_vaapi_profile_get_va_profile(GstVaapiProfile profile)
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{
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const GstVaapiProfileMap * const m = get_profiles_map(profile);
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return m ? m->va_profile : (VAProfile)-1;
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}
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/**
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* gst_vaapi_profile_get_caps:
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* @profile: a #GstVaapiProfile
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*
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* Converts a #GstVaapiProfile into the corresponding #GstCaps. If no
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* matching caps were found, %NULL is returned.
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*
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* Return value: the newly allocated #GstCaps, or %NULL if none was found
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*/
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GstCaps *
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gst_vaapi_profile_get_caps(GstVaapiProfile profile)
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{
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const GstVaapiProfileMap *m;
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GstCaps *out_caps, *caps;
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out_caps = gst_caps_new_empty();
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if (!out_caps)
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return NULL;
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for (m = gst_vaapi_profiles; m->profile; m++) {
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if (m->profile != profile)
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continue;
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caps = gst_caps_from_string(m->media_str);
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if (!caps)
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continue;
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gst_caps_set_simple(
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caps,
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"profile", G_TYPE_STRING, m->profile_str,
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NULL
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);
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out_caps = gst_caps_merge(out_caps, caps);
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}
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return out_caps;
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}
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/**
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* gst_vaapi_profile_get_codec:
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* @profile: a #GstVaapiProfile
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*
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* Extracts the #GstVaapiCodec from @profile.
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*
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* Return value: the #GstVaapiCodec from @profile
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*/
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GstVaapiCodec
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gst_vaapi_profile_get_codec(GstVaapiProfile profile)
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{
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GstVaapiCodec codec;
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switch (profile) {
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case GST_VAAPI_PROFILE_VC1_SIMPLE:
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case GST_VAAPI_PROFILE_VC1_MAIN:
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codec = GST_VAAPI_CODEC_WMV3;
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break;
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case GST_VAAPI_PROFILE_VC1_ADVANCED:
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codec = GST_VAAPI_CODEC_VC1;
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break;
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case GST_VAAPI_PROFILE_JPEG_BASELINE:
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codec = GST_VAAPI_CODEC_JPEG;
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break;
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default:
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codec = (guint32)profile & GST_MAKE_FOURCC(0xff,0xff,0xff,0);
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break;
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}
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return codec;
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}
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/**
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* gst_vaapi_entrypoint:
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* @entrypoint: a #VAEntrypoint
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*
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* Converts a VA entry-point into the corresponding #GstVaapiEntrypoint.
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* If the entry-point cannot be represented by #GstVaapiEntrypoint,
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* then zero is returned.
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*
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* Return value: the #GstVaapiEntrypoint describing the @entrypoint
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*/
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GstVaapiEntrypoint
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gst_vaapi_entrypoint(VAEntrypoint entrypoint)
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{
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const GstVaapiEntrypointMap *m;
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for (m = gst_vaapi_entrypoints; m->entrypoint; m++)
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if (m->va_entrypoint == entrypoint)
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return m->entrypoint;
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return 0;
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}
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/**
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* gst_vaapi_entrypoint_get_va_entrypoint:
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* @entrypoint: a #GstVaapiEntrypoint
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*
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* Converts a #GstVaapiEntrypoint into the corresponding VA
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* entry-point. If no matching VA entry-point was found, -1 is
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* returned and this error must be reported to be fixed.
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*
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* Return value: the VA entry-point, or -1 if none was found
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*/
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VAEntrypoint
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gst_vaapi_entrypoint_get_va_entrypoint(GstVaapiEntrypoint entrypoint)
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{
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const GstVaapiEntrypointMap * const m = get_entrypoints_map(entrypoint);
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return m ? m->va_entrypoint : (VAEntrypoint)-1;
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}
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