FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/bytestream.h	Lines:	104	122	85.2 %
Date:	2020-09-21 17:35:45	Branches:	38	62	61.3 %


/*
 * Bytestream functions
 * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
 * Copyright (c) 2012 Aneesh Dogra (lionaneesh) <lionaneesh@gmail.com>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVCODEC_BYTESTREAM_H
#define AVCODEC_BYTESTREAM_H

#include <stdint.h>
#include <string.h>

#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"

typedef struct GetByteContext {
    const uint8_t *buffer, *buffer_end, *buffer_start;
} GetByteContext;

typedef struct PutByteContext {
    uint8_t *buffer, *buffer_end, *buffer_start;
    int eof;
} PutByteContext;

#define DEF(type, name, bytes, read, write)                                  \
static av_always_inline type bytestream_get_ ## name(const uint8_t **b)        \
{                                                                              \
    (*b) += bytes;                                                             \
    return read(*b - bytes);                                                   \
}                                                                              \
static av_always_inline void bytestream_put_ ## name(uint8_t **b,              \
                                                     const type value)         \
{                                                                              \
    write(*b, value);                                                          \
    (*b) += bytes;                                                             \
}                                                                              \
static av_always_inline void bytestream2_put_ ## name ## u(PutByteContext *p,  \
                                                           const type value)   \
{                                                                              \
    bytestream_put_ ## name(&p->buffer, value);                                \
}                                                                              \
static av_always_inline void bytestream2_put_ ## name(PutByteContext *p,       \
                                                      const type value)        \
{                                                                              \
    if (!p->eof && (p->buffer_end - p->buffer >= bytes)) {                     \
        write(p->buffer, value);                                               \
        p->buffer += bytes;                                                    \
    } else                                                                     \
        p->eof = 1;                                                            \
}                                                                              \
static av_always_inline type bytestream2_get_ ## name ## u(GetByteContext *g)  \
{                                                                              \
    return bytestream_get_ ## name(&g->buffer);                                \
}                                                                              \
static av_always_inline type bytestream2_get_ ## name(GetByteContext *g)       \
{                                                                              \
    if (g->buffer_end - g->buffer < bytes) {                                   \
        g->buffer = g->buffer_end;                                             \
        return 0;                                                              \
    }                                                                          \
    return bytestream2_get_ ## name ## u(g);                                   \
}                                                                              \
static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g)      \
{                                                                              \
    if (g->buffer_end - g->buffer < bytes)                                     \
        return 0;                                                              \
    return read(g->buffer);                                                    \
}

DEF(uint64_t,     le64, 8, AV_RL64, AV_WL64)
DEF(unsigned int, le32, 4, AV_RL32, AV_WL32)
DEF(unsigned int, le24, 3, AV_RL24, AV_WL24)
DEF(unsigned int, le16, 2, AV_RL16, AV_WL16)
DEF(uint64_t,     be64, 8, AV_RB64, AV_WB64)
DEF(unsigned int, be32, 4, AV_RB32, AV_WB32)
DEF(unsigned int, be24, 3, AV_RB24, AV_WB24)
DEF(unsigned int, be16, 2, AV_RB16, AV_WB16)
DEF(unsigned int, byte, 1, AV_RB8 , AV_WB8)

#if AV_HAVE_BIGENDIAN
#   define bytestream2_get_ne16  bytestream2_get_be16
#   define bytestream2_get_ne24  bytestream2_get_be24
#   define bytestream2_get_ne32  bytestream2_get_be32
#   define bytestream2_get_ne64  bytestream2_get_be64
#   define bytestream2_get_ne16u bytestream2_get_be16u
#   define bytestream2_get_ne24u bytestream2_get_be24u
#   define bytestream2_get_ne32u bytestream2_get_be32u
#   define bytestream2_get_ne64u bytestream2_get_be64u
#   define bytestream2_put_ne16  bytestream2_put_be16
#   define bytestream2_put_ne24  bytestream2_put_be24
#   define bytestream2_put_ne32  bytestream2_put_be32
#   define bytestream2_put_ne64  bytestream2_put_be64
#   define bytestream2_peek_ne16 bytestream2_peek_be16
#   define bytestream2_peek_ne24 bytestream2_peek_be24
#   define bytestream2_peek_ne32 bytestream2_peek_be32
#   define bytestream2_peek_ne64 bytestream2_peek_be64
#else
#   define bytestream2_get_ne16  bytestream2_get_le16
#   define bytestream2_get_ne24  bytestream2_get_le24
#   define bytestream2_get_ne32  bytestream2_get_le32
#   define bytestream2_get_ne64  bytestream2_get_le64
#   define bytestream2_get_ne16u bytestream2_get_le16u
#   define bytestream2_get_ne24u bytestream2_get_le24u
#   define bytestream2_get_ne32u bytestream2_get_le32u
#   define bytestream2_get_ne64u bytestream2_get_le64u
#   define bytestream2_put_ne16  bytestream2_put_le16
#   define bytestream2_put_ne24  bytestream2_put_le24
#   define bytestream2_put_ne32  bytestream2_put_le32
#   define bytestream2_put_ne64  bytestream2_put_le64
#   define bytestream2_peek_ne16 bytestream2_peek_le16
#   define bytestream2_peek_ne24 bytestream2_peek_le24
#   define bytestream2_peek_ne32 bytestream2_peek_le32
#   define bytestream2_peek_ne64 bytestream2_peek_le64
#endif

static av_always_inline void bytestream2_init(GetByteContext *g,
                                              const uint8_t *buf,
                                              int buf_size)
{
    av_assert0(buf_size >= 0);
    g->buffer       = buf;
    g->buffer_start = buf;
    g->buffer_end   = buf + buf_size;
}

static av_always_inline void bytestream2_init_writer(PutByteContext *p,
                                                     uint8_t *buf,
                                                     int buf_size)
{
    av_assert0(buf_size >= 0);
    p->buffer       = buf;
    p->buffer_start = buf;
    p->buffer_end   = buf + buf_size;
    p->eof          = 0;
}

static av_always_inline int bytestream2_get_bytes_left(GetByteContext *g)
{
    return g->buffer_end - g->buffer;
}

static av_always_inline int bytestream2_get_bytes_left_p(PutByteContext *p)
{
    return p->buffer_end - p->buffer;
}

static av_always_inline void bytestream2_skip(GetByteContext *g,
                                              unsigned int size)
{
    g->buffer += FFMIN(g->buffer_end - g->buffer, size);
}

static av_always_inline void bytestream2_skipu(GetByteContext *g,
                                               unsigned int size)
{
    g->buffer += size;
}

static av_always_inline void bytestream2_skip_p(PutByteContext *p,
                                                unsigned int size)
{
    int size2;
    if (p->eof)
        return;
    size2 = FFMIN(p->buffer_end - p->buffer, size);
    if (size2 != size)
        p->eof = 1;
    p->buffer += size2;
}

static av_always_inline int bytestream2_tell(GetByteContext *g)
{
    return (int)(g->buffer - g->buffer_start);
}

static av_always_inline int bytestream2_tell_p(PutByteContext *p)
{
    return (int)(p->buffer - p->buffer_start);
}

static av_always_inline int bytestream2_size(GetByteContext *g)
{
    return (int)(g->buffer_end - g->buffer_start);
}

static av_always_inline int bytestream2_size_p(PutByteContext *p)
{
    return (int)(p->buffer_end - p->buffer_start);
}

static av_always_inline int bytestream2_seek(GetByteContext *g,
                                             int offset,
                                             int whence)
{
    switch (whence) {
    case SEEK_CUR:
        offset     = av_clip(offset, -(g->buffer - g->buffer_start),
                             g->buffer_end - g->buffer);
        g->buffer += offset;
        break;
    case SEEK_END:
        offset    = av_clip(offset, -(g->buffer_end - g->buffer_start), 0);
        g->buffer = g->buffer_end + offset;
        break;
    case SEEK_SET:
        offset    = av_clip(offset, 0, g->buffer_end - g->buffer_start);
        g->buffer = g->buffer_start + offset;
        break;
    default:
        return AVERROR(EINVAL);
    }
    return bytestream2_tell(g);
}

static av_always_inline int bytestream2_seek_p(PutByteContext *p,
                                               int offset,
                                               int whence)
{
    p->eof = 0;
    switch (whence) {
    case SEEK_CUR:
        if (p->buffer_end - p->buffer < offset)
            p->eof = 1;
        offset     = av_clip(offset, -(p->buffer - p->buffer_start),
                             p->buffer_end - p->buffer);
        p->buffer += offset;
        break;
    case SEEK_END:
        if (offset > 0)
            p->eof = 1;
        offset    = av_clip(offset, -(p->buffer_end - p->buffer_start), 0);
        p->buffer = p->buffer_end + offset;
        break;
    case SEEK_SET:
        if (p->buffer_end - p->buffer_start < offset)
            p->eof = 1;
        offset    = av_clip(offset, 0, p->buffer_end - p->buffer_start);
        p->buffer = p->buffer_start + offset;
        break;
    default:
        return AVERROR(EINVAL);
    }
    return bytestream2_tell_p(p);
}

static av_always_inline unsigned int bytestream2_get_buffer(GetByteContext *g,
                                                            uint8_t *dst,
                                                            unsigned int size)
{
    int size2 = FFMIN(g->buffer_end - g->buffer, size);
    memcpy(dst, g->buffer, size2);
    g->buffer += size2;
    return size2;
}

static av_always_inline unsigned int bytestream2_get_bufferu(GetByteContext *g,
                                                             uint8_t *dst,
                                                             unsigned int size)
{
    memcpy(dst, g->buffer, size);
    g->buffer += size;
    return size;
}

static av_always_inline unsigned int bytestream2_put_buffer(PutByteContext *p,
                                                            const uint8_t *src,
                                                            unsigned int size)
{
    int size2;
    if (p->eof)
        return 0;
    size2 = FFMIN(p->buffer_end - p->buffer, size);
    if (size2 != size)
        p->eof = 1;
    memcpy(p->buffer, src, size2);
    p->buffer += size2;
    return size2;
}

static av_always_inline unsigned int bytestream2_put_bufferu(PutByteContext *p,
                                                             const uint8_t *src,
                                                             unsigned int size)
{
    memcpy(p->buffer, src, size);
    p->buffer += size;
    return size;
}

static av_always_inline void bytestream2_set_buffer(PutByteContext *p,
                                                    const uint8_t c,
                                                    unsigned int size)
{
    int size2;
    if (p->eof)
        return;
    size2 = FFMIN(p->buffer_end - p->buffer, size);
    if (size2 != size)
        p->eof = 1;
    memset(p->buffer, c, size2);
    p->buffer += size2;
}

static av_always_inline void bytestream2_set_bufferu(PutByteContext *p,
                                                     const uint8_t c,
                                                     unsigned int size)
{
    memset(p->buffer, c, size);
    p->buffer += size;
}

static av_always_inline unsigned int bytestream2_get_eof(PutByteContext *p)
{
    return p->eof;
}

static av_always_inline unsigned int bytestream2_copy_bufferu(PutByteContext *p,
                                                              GetByteContext *g,
                                                              unsigned int size)
{
    memcpy(p->buffer, g->buffer, size);
    p->buffer += size;
    g->buffer += size;
    return size;
}

static av_always_inline unsigned int bytestream2_copy_buffer(PutByteContext *p,
                                                             GetByteContext *g,
                                                             unsigned int size)
{
    int size2;

    if (p->eof)
        return 0;
    size  = FFMIN(g->buffer_end - g->buffer, size);
    size2 = FFMIN(p->buffer_end - p->buffer, size);
    if (size2 != size)
        p->eof = 1;

    return bytestream2_copy_bufferu(p, g, size2);
}

static av_always_inline unsigned int bytestream_get_buffer(const uint8_t **b,
                                                           uint8_t *dst,
                                                           unsigned int size)
{
    memcpy(dst, *b, size);
    (*b) += size;
    return size;
}

static av_always_inline void bytestream_put_buffer(uint8_t **b,
                                                   const uint8_t *src,
                                                   unsigned int size)
{
    memcpy(*b, src, size);
    (*b) += size;
}

#endif /* AVCODEC_BYTESTREAM_H */


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* Bytestream functions
3			* copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
4			* Copyright (c) 2012 Aneesh Dogra (lionaneesh) <lionaneesh@gmail.com>
5			*
6			* This file is part of FFmpeg.
7			*
8			* FFmpeg is free software; you can redistribute it and/or
9			* modify it under the terms of the GNU Lesser General Public
10			* License as published by the Free Software Foundation; either
11			* version 2.1 of the License, or (at your option) any later version.
12			*
13			* FFmpeg is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16			* Lesser General Public License for more details.
17			*
18			* You should have received a copy of the GNU Lesser General Public
19			* License along with FFmpeg; if not, write to the Free Software
20			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21			*/
22
23			#ifndef AVCODEC_BYTESTREAM_H
24			#define AVCODEC_BYTESTREAM_H
25
26			#include <stdint.h>
27			#include <string.h>
28
29			#include "libavutil/avassert.h"
30			#include "libavutil/common.h"
31			#include "libavutil/intreadwrite.h"
32
33			typedef struct GetByteContext {
34			const uint8_t buffer, buffer_end, *buffer_start;
35			} GetByteContext;
36
37			typedef struct PutByteContext {
38			uint8_t buffer, buffer_end, *buffer_start;
39			int eof;
40			} PutByteContext;
41
42			#define DEF(type, name, bytes, read, write) \
43			static av_always_inline type bytestream_get_ ## name(const uint8_t **b) \
44			{ \
45			(*b) += bytes; \
46			return read(*b - bytes); \
47			} \
48			static av_always_inline void bytestream_put_ ## name(uint8_t **b, \
49			const type value) \
50			{ \
51			write(*b, value); \
52			(*b) += bytes; \
53			} \
54			static av_always_inline void bytestream2_put_ ## name ## u(PutByteContext *p, \
55			const type value) \
56			{ \
57			bytestream_put_ ## name(&p->buffer, value); \
58			} \
59			static av_always_inline void bytestream2_put_ ## name(PutByteContext *p, \
60			const type value) \
61			{ \
62			if (!p->eof && (p->buffer_end - p->buffer >= bytes)) { \
63			write(p->buffer, value); \
64			p->buffer += bytes; \
65			} else \
66			p->eof = 1; \
67			} \
68			static av_always_inline type bytestream2_get_ ## name ## u(GetByteContext *g) \
69			{ \
70			return bytestream_get_ ## name(&g->buffer); \
71			} \
72			static av_always_inline type bytestream2_get_ ## name(GetByteContext *g) \
73			{ \
74			if (g->buffer_end - g->buffer < bytes) { \
75			g->buffer = g->buffer_end; \
76			return 0; \
77			} \
78			return bytestream2_get_ ## name ## u(g); \
79			} \
80			static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g) \
81			{ \
82			if (g->buffer_end - g->buffer < bytes) \
83			return 0; \
84			return read(g->buffer); \
85			}
86
87	✓✓✓✗	3049551	DEF(uint64_t, le64, 8, AV_RL64, AV_WL64)
88	✓✓✓✗	32501843	DEF(unsigned int, le32, 4, AV_RL32, AV_WL32)
89	✓✓✓✗	64446784	DEF(unsigned int, le24, 3, AV_RL24, AV_WL24)
90	✓✓✓✗	229725901	DEF(unsigned int, le16, 2, AV_RL16, AV_WL16)
91	✗✓	1098078	DEF(uint64_t, be64, 8, AV_RB64, AV_WB64)
92	✓✓✓✗	19205807	DEF(unsigned int, be32, 4, AV_RB32, AV_WB32)
93	✗✓✗✗	3751630	DEF(unsigned int, be24, 3, AV_RB24, AV_WB24)
94	✓✓✓✗	93703914	DEF(unsigned int, be16, 2, AV_RB16, AV_WB16)
95	✓✓✓✗	320352943	DEF(unsigned int, byte, 1, AV_RB8 , AV_WB8)
96
97			#if AV_HAVE_BIGENDIAN
98			# define bytestream2_get_ne16 bytestream2_get_be16
99			# define bytestream2_get_ne24 bytestream2_get_be24
100			# define bytestream2_get_ne32 bytestream2_get_be32
101			# define bytestream2_get_ne64 bytestream2_get_be64
102			# define bytestream2_get_ne16u bytestream2_get_be16u
103			# define bytestream2_get_ne24u bytestream2_get_be24u
104			# define bytestream2_get_ne32u bytestream2_get_be32u
105			# define bytestream2_get_ne64u bytestream2_get_be64u
106			# define bytestream2_put_ne16 bytestream2_put_be16
107			# define bytestream2_put_ne24 bytestream2_put_be24
108			# define bytestream2_put_ne32 bytestream2_put_be32
109			# define bytestream2_put_ne64 bytestream2_put_be64
110			# define bytestream2_peek_ne16 bytestream2_peek_be16
111			# define bytestream2_peek_ne24 bytestream2_peek_be24
112			# define bytestream2_peek_ne32 bytestream2_peek_be32
113			# define bytestream2_peek_ne64 bytestream2_peek_be64
114			#else
115			# define bytestream2_get_ne16 bytestream2_get_le16
116			# define bytestream2_get_ne24 bytestream2_get_le24
117			# define bytestream2_get_ne32 bytestream2_get_le32
118			# define bytestream2_get_ne64 bytestream2_get_le64
119			# define bytestream2_get_ne16u bytestream2_get_le16u
120			# define bytestream2_get_ne24u bytestream2_get_le24u
121			# define bytestream2_get_ne32u bytestream2_get_le32u
122			# define bytestream2_get_ne64u bytestream2_get_le64u
123			# define bytestream2_put_ne16 bytestream2_put_le16
124			# define bytestream2_put_ne24 bytestream2_put_le24
125			# define bytestream2_put_ne32 bytestream2_put_le32
126			# define bytestream2_put_ne64 bytestream2_put_le64
127			# define bytestream2_peek_ne16 bytestream2_peek_le16
128			# define bytestream2_peek_ne24 bytestream2_peek_le24
129			# define bytestream2_peek_ne32 bytestream2_peek_le32
130			# define bytestream2_peek_ne64 bytestream2_peek_le64
131			#endif
132
133		182617	static av_always_inline void bytestream2_init(GetByteContext *g,
134			const uint8_t *buf,
135			int buf_size)
136			{
137	✗✓	182617	av_assert0(buf_size >= 0);
138		182617	g->buffer = buf;
139		182617	g->buffer_start = buf;
140		182617	g->buffer_end = buf + buf_size;
141		182617	}
142
143		1926	static av_always_inline void bytestream2_init_writer(PutByteContext *p,
144			uint8_t *buf,
145			int buf_size)
146			{
147	✗✓	1926	av_assert0(buf_size >= 0);
148		1926	p->buffer = buf;
149		1926	p->buffer_start = buf;
150		1926	p->buffer_end = buf + buf_size;
151		1926	p->eof = 0;
152		1926	}
153
154		21594708	static av_always_inline int bytestream2_get_bytes_left(GetByteContext *g)
155			{
156		21594708	return g->buffer_end - g->buffer;
157			}
158
159		86094	static av_always_inline int bytestream2_get_bytes_left_p(PutByteContext *p)
160			{
161		86094	return p->buffer_end - p->buffer;
162			}
163
164		780634	static av_always_inline void bytestream2_skip(GetByteContext *g,
165			unsigned int size)
166			{
167	✓✓	780634	g->buffer += FFMIN(g->buffer_end - g->buffer, size);
168		780634	}
169
170		70206	static av_always_inline void bytestream2_skipu(GetByteContext *g,
171			unsigned int size)
172			{
173		70206	g->buffer += size;
174		70206	}
175
176		39	static av_always_inline void bytestream2_skip_p(PutByteContext *p,
177			unsigned int size)
178			{
179			int size2;
180	✗✓	39	if (p->eof)
181			return;
182		39	size2 = FFMIN(p->buffer_end - p->buffer, size);
183	✗✓	39	if (size2 != size)
184			p->eof = 1;
185		39	p->buffer += size2;
186			}
187
188		4273708	static av_always_inline int bytestream2_tell(GetByteContext *g)
189			{
190		4273708	return (int)(g->buffer - g->buffer_start);
191			}
192
193		148638	static av_always_inline int bytestream2_tell_p(PutByteContext *p)
194			{
195		148638	return (int)(p->buffer - p->buffer_start);
196			}
197
198		537	static av_always_inline int bytestream2_size(GetByteContext *g)
199			{
200		537	return (int)(g->buffer_end - g->buffer_start);
201			}
202
203			static av_always_inline int bytestream2_size_p(PutByteContext *p)
204			{
205			return (int)(p->buffer_end - p->buffer_start);
206			}
207
208		776398	static av_always_inline int bytestream2_seek(GetByteContext *g,
209			int offset,
210			int whence)
211			{
212	✓✓✓✗	776398	switch (whence) {
213		994	case SEEK_CUR:
214		994	offset = av_clip(offset, -(g->buffer - g->buffer_start),
215		994	g->buffer_end - g->buffer);
216		994	g->buffer += offset;
217		994	break;
218		792	case SEEK_END:
219		792	offset = av_clip(offset, -(g->buffer_end - g->buffer_start), 0);
220		792	g->buffer = g->buffer_end + offset;
221		792	break;
222		774612	case SEEK_SET:
223		774612	offset = av_clip(offset, 0, g->buffer_end - g->buffer_start);
224		774612	g->buffer = g->buffer_start + offset;
225		774612	break;
226			default:
227			return AVERROR(EINVAL);
228			}
229		776398	return bytestream2_tell(g);
230			}
231
232		11594	static av_always_inline int bytestream2_seek_p(PutByteContext *p,
233			int offset,
234			int whence)
235			{
236		11594	p->eof = 0;
237	✓✗✓✗	11594	switch (whence) {
238		7050	case SEEK_CUR:
239	✗✓	7050	if (p->buffer_end - p->buffer < offset)
240			p->eof = 1;
241		7050	offset = av_clip(offset, -(p->buffer - p->buffer_start),
242		7050	p->buffer_end - p->buffer);
243		7050	p->buffer += offset;
244		7050	break;
245			case SEEK_END:
246			if (offset > 0)
247			p->eof = 1;
248			offset = av_clip(offset, -(p->buffer_end - p->buffer_start), 0);
249			p->buffer = p->buffer_end + offset;
250			break;
251		4544	case SEEK_SET:
252	✗✓	4544	if (p->buffer_end - p->buffer_start < offset)
253			p->eof = 1;
254		4544	offset = av_clip(offset, 0, p->buffer_end - p->buffer_start);
255		4544	p->buffer = p->buffer_start + offset;
256		4544	break;
257			default:
258			return AVERROR(EINVAL);
259			}
260		11594	return bytestream2_tell_p(p);
261			}
262
263		800792	static av_always_inline unsigned int bytestream2_get_buffer(GetByteContext *g,
264			uint8_t *dst,
265			unsigned int size)
266			{
267		800792	int size2 = FFMIN(g->buffer_end - g->buffer, size);
268		800792	memcpy(dst, g->buffer, size2);
269		800792	g->buffer += size2;
270		800792	return size2;
271			}
272
273		511664	static av_always_inline unsigned int bytestream2_get_bufferu(GetByteContext *g,
274			uint8_t *dst,
275			unsigned int size)
276			{
277		511664	memcpy(dst, g->buffer, size);
278		511664	g->buffer += size;
279		511664	return size;
280			}
281
282		2350	static av_always_inline unsigned int bytestream2_put_buffer(PutByteContext *p,
283			const uint8_t *src,
284			unsigned int size)
285			{
286			int size2;
287	✗✓	2350	if (p->eof)
288			return 0;
289		2350	size2 = FFMIN(p->buffer_end - p->buffer, size);
290	✗✓	2350	if (size2 != size)
291			p->eof = 1;
292		2350	memcpy(p->buffer, src, size2);
293		2350	p->buffer += size2;
294		2350	return size2;
295			}
296
297		1126	static av_always_inline unsigned int bytestream2_put_bufferu(PutByteContext *p,
298			const uint8_t *src,
299			unsigned int size)
300			{
301		1126	memcpy(p->buffer, src, size);
302		1126	p->buffer += size;
303		1126	return size;
304			}
305
306			static av_always_inline void bytestream2_set_buffer(PutByteContext *p,
307			const uint8_t c,
308			unsigned int size)
309			{
310			int size2;
311			if (p->eof)
312			return;
313			size2 = FFMIN(p->buffer_end - p->buffer, size);
314			if (size2 != size)
315			p->eof = 1;
316			memset(p->buffer, c, size2);
317			p->buffer += size2;
318			}
319
320			static av_always_inline void bytestream2_set_bufferu(PutByteContext *p,
321			const uint8_t c,
322			unsigned int size)
323			{
324			memset(p->buffer, c, size);
325			p->buffer += size;
326			}
327
328		4557	static av_always_inline unsigned int bytestream2_get_eof(PutByteContext *p)
329			{
330		4557	return p->eof;
331			}
332
333			static av_always_inline unsigned int bytestream2_copy_bufferu(PutByteContext *p,
334			GetByteContext *g,
335			unsigned int size)
336			{
337			memcpy(p->buffer, g->buffer, size);
338			p->buffer += size;
339			g->buffer += size;
340			return size;
341			}
342
343			static av_always_inline unsigned int bytestream2_copy_buffer(PutByteContext *p,
344			GetByteContext *g,
345			unsigned int size)
346			{
347			int size2;
348
349			if (p->eof)
350			return 0;
351			size = FFMIN(g->buffer_end - g->buffer, size);
352			size2 = FFMIN(p->buffer_end - p->buffer, size);
353			if (size2 != size)
354			p->eof = 1;
355
356			return bytestream2_copy_bufferu(p, g, size2);
357			}
358
359		1320	static av_always_inline unsigned int bytestream_get_buffer(const uint8_t **b,
360			uint8_t *dst,
361			unsigned int size)
362			{
363		1320	memcpy(dst, *b, size);
364		1320	(*b) += size;
365		1320	return size;
366			}
367
368		2214797	static av_always_inline void bytestream_put_buffer(uint8_t **b,
369			const uint8_t *src,
370			unsigned int size)
371			{
372		2214797	memcpy(*b, src, size);
373		2214797	(*b) += size;
374		2214797	}
375
376			#endif /* AVCODEC_BYTESTREAM_H */