mirror of
git://nv-tegra.nvidia.com/tegra/gst-src/gst-nvvideo4linux2.git
synced 2025-12-22 09:22:34 +03:00
Updating prebuilts and/or headers
ad68a394611e57debf3d91f0c030d659d03138b5 - v4l2_nv_extensions.h ed8273ff6102bb0b4fa7975a401b12b3e95a7187 - nvbufsurface.h d27a433ddeaefb9f42d0312c23472514b0cd6a45 - gst-nvcustomevent.h 49a66f0ce02abc71f33e096a65645ddedf5c7f46 - gst-v4l2/gstv4l2bufferpool.c 5948d70c07e87f9b1dc403789dcbed6acfa47ad9 - gst-v4l2/gstv4l2av1enc.c 99d65d620807b5ba1ca29a838e032940c9b019cc - gst-v4l2/sei_parse.c c2099692cdb374440c2a040cb6ad01bbc1549ce5 - gst-v4l2/gstv4l2h26xparser.h d89a680415f6ff5acec2571cde0fce9054d8e81f - gst-v4l2/gstv4l2vp9enc.h 3465c61330f2f59d307b660aed6f2a65e053e2a2 - gst-v4l2/gstv4l2.c 9681f7b98dfdfbc4d845f9ce7f11c3692b923195 - gst-v4l2/gstv4l2videoenc.c 39fcb2f599e6906ab0fd7ab9a46fef3ea58a8cab - gst-v4l2/gstv4l2vp8enc.h 71be284b547ee68fb0e2cd14b0aeb14734a915a1 - gst-v4l2/gstv4l2bufferpool.h 65de802e5f162aa04518b7ade5841cc3ced01111 - gst-v4l2/Makefile 884e5b97b9fa8d07b6153e6efe6999884922b813 - gst-v4l2/gstv4l2object.c e8e973c103725b65232d32817e0305d12d6ff309 - gst-v4l2/gstv4l2h264enc.c b827fd6cb1e3b8ecebd6a07f8556e846e26cba17 - gst-v4l2/gstv4l2allocator.h 02d142337f4b96fcb0c9f2405a3cbe90c5917cca - gst-v4l2/gstv4l2vp9enc.c 3f7cafe5beb4395caf2e1591bf0a835e5076031a - gst-v4l2/gstv4l2object.h d5952b0286c34bf13fbf5e09fe552ced0da49368 - gst-v4l2/gstv4l2videodec.h c81eacb7d88c4fb839506dd70055e30d7a9feeec - gst-v4l2/v4l2-utils.h cbc84dccd2506afa4c8f03849c95bb28c83ef4a3 - gst-v4l2/gstv4l2av1enc.h d29e3a719400c3cb27314366d48ec792a3c12363 - gst-v4l2/gstv4l2h265enc.h 4e79cf75c4fa29791e1f5141318dc8aec13a7835 - gst-v4l2/nalutils.h bb104683f5e4f7402e3f765a891e149edc794e02 - gst-v4l2/gstv4l2h264enc.h b1cd923335aa60985ff9866fba91a2068e8671c7 - gst-v4l2/LICENSE.gst-nvvideo4linux2 c09037afe2c6b01dcb5ed56f30f07c3d6482e150 - gst-v4l2/gstv4l2videodec.c a002edef13a3bbbdc41e42a7fca40e574ad1bb3e - gst-v4l2/v4l2-utils.c 489fde70531590e94d1d211a42f10f81ae68d2b9 - gst-v4l2/gstv4l2videoenc.h 73b03969d7ae0a8adb374c93999c43af88ea93b2 - gst-v4l2/v4l2_calls.c 398c24d1eef98ec9003a06587bc3784050602cd2 - gst-v4l2/gstv4l2h26xparser.c 5ecd059e5ef9be4014eface37e5e2f7598960f4e - gst-v4l2/nalutils.c 807bc9859585a540b0f85e98f147756aab24e1bd - gst-v4l2/gstv4l2vp8enc.c 9f726e4439379bb399f29c68736242f21dab3dd0 - gst-v4l2/gstv4l2allocator.c dc1a3f7292873f1f71dc27300f97f3ab918ed79f - gst-v4l2/gstv4l2h265enc.c 499a9feb17ceabf1f1443923dffa1e0180bf5972 - gst-v4l2/gst/glib-compat-private.h 20c4f7c0cb89c83256650bc3353ed82154cf3a9d - gst-v4l2/gst/gst-i18n-plugin.h e864ee6647f3572b144403d799f68152e9900da1 - gst-v4l2/gst/gettext.h 522ab8fc8531a2c758b9278d29642f5b763fd3e7 - gst-v4l2/ext/videodev2.h a745675b051a2b8434a430c80fde3f245864ca89 - gst-v4l2/ext/v4l2-common.h 1636366b5a062e4bc1791b7bc3012ccf5635b363 - gst-v4l2/ext/v4l2-controls.h 72a34a694337f8f6da3bb94c9faced6730cbd2fc - gst-v4l2/ext/types-compat.h Change-Id: I5578de0db34980a48c655a5079a792fd7de76270
This commit is contained in:
svcmobrel-release
170
gst-v4l2/nalutils.h
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170
gst-v4l2/nalutils.h
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@@ -0,0 +1,170 @@
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/*
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* Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gst/base/gstbytereader.h>
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#include <gst/base/gstbitreader.h>
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#include <string.h>
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guint ceil_log2 (guint32 v);
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typedef struct
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{
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const guint8 *data;
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guint size;
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guint n_epb; /* Number of emulation prevention bytes */
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guint byte; /* Byte position */
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guint bits_in_cache; /* bitpos in the cache of next bit */
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guint8 first_byte;
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guint64 cache; /* cached bytes */
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} NalReader;
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G_GNUC_INTERNAL
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void init_nal (NalReader * nr, const guint8 * data, guint size);
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G_GNUC_INTERNAL
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gboolean _read (NalReader * nr, guint nbits);
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G_GNUC_INTERNAL
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gboolean _skip (NalReader * nr, guint nbits);
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G_GNUC_INTERNAL
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gboolean _skip_long (NalReader * nr, guint nbits);
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G_GNUC_INTERNAL
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guint _get_pos (const NalReader * nr);
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G_GNUC_INTERNAL
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guint _get_remaining (const NalReader * nr);
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G_GNUC_INTERNAL
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guint _get_epb_count (const NalReader * nr);
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G_GNUC_INTERNAL
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gboolean _is_byte_aligned (NalReader * nr);
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G_GNUC_INTERNAL
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gboolean _has_more_data (NalReader * nr);
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#define _READ_BITS_H(bits) \
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G_GNUC_INTERNAL \
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gboolean _get_bits_uint##bits (NalReader *nr, guint##bits *val, guint nbits)
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_READ_BITS_H (8);
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_READ_BITS_H (16);
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_READ_BITS_H (32);
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#define _PEEK_BITS_H(bits) \
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G_GNUC_INTERNAL \
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gboolean _peek_bits_uint##bits (const NalReader *nr, guint##bits *val, guint nbits)
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_PEEK_BITS_H (8);
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G_GNUC_INTERNAL
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gboolean _get_ue (NalReader * nr, guint32 * val);
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G_GNUC_INTERNAL
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gboolean _get_se (NalReader * nr, gint32 * val);
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#define CHECK_ALLOWED_MAX(val, max) { \
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if (val > max) { \
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GST_WARNING ("value greater than max. value: %d, max %d", \
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val, max); \
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goto error; \
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} \
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}
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#define CHECK_ALLOWED(val, min, max) { \
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if (val < min || val > max) { \
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GST_WARNING ("value not in allowed range. value: %d, range %d-%d", \
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val, min, max); \
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goto error; \
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} \
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}
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#define READ_UINT8(nr, val, nbits) { \
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if (!_get_bits_uint8 (nr, &val, nbits)) { \
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GST_WARNING ("failed to read uint8, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT16(nr, val, nbits) { \
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if (!_get_bits_uint16 (nr, &val, nbits)) { \
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GST_WARNING ("failed to read uint16, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT32(nr, val, nbits) { \
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if (!_get_bits_uint32 (nr, &val, nbits)) { \
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GST_WARNING ("failed to read uint32, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT64(nr, val, nbits) { \
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if (!_get_bits_uint64 (nr, &val, nbits)) { \
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GST_WARNING ("failed to read uint32, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UE(nr, val) { \
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if (!_get_ue (nr, &val)) { \
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GST_WARNING ("failed to read UE"); \
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goto error; \
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} \
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}
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#define READ_UE_ALLOWED(nr, val, min, max) { \
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guint32 tmp; \
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READ_UE (nr, tmp); \
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CHECK_ALLOWED (tmp, min, max); \
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val = tmp; \
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}
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#define READ_UE_MAX(nr, val, max) { \
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guint32 tmp; \
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READ_UE (nr, tmp); \
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CHECK_ALLOWED_MAX (tmp, max); \
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val = tmp; \
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}
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#define READ_SE(nr, val) { \
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if (!_get_se (nr, &val)) { \
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GST_WARNING ("failed to read SE"); \
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goto error; \
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} \
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}
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#define READ_SE_ALLOWED(nr, val, min, max) { \
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gint32 tmp; \
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READ_SE (nr, tmp); \
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CHECK_ALLOWED (tmp, min, max); \
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val = tmp; \
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}
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G_GNUC_INTERNAL
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gint scan_for_start_codes (const guint8 * data, guint size);
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