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Revert "libavformat: add mbedTLS based TLS" 

This reverts commit 62f5c9d68b,
which was pushed a bit prematurely.
This commit is contained in:
Rostislav Pehlivanov 2018-04-23 20:28:50 +01:00
parent 62f5c9d68b
commit 4ac0ff8ec2
7 changed files with 10 additions and 436 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Changelog
View File

@ -3,7 +3,6 @@ releases are sorted from youngest to oldest.
version <next>:
- deblock filter
- support mbedTLS based TLS
version 4.0:

31
configure vendored
View File

@ -213,7 +213,7 @@ External library support:
--enable-gmp enable gmp, needed for rtmp(t)e support
if openssl or librtmp is not used [no]
--enable-gnutls enable gnutls, needed for https support
if openssl, libtls or mbedtls is not used [no]
if openssl or libtls is not used [no]
--disable-iconv disable iconv [autodetect]
--enable-jni enable JNI support [no]
--enable-ladspa enable LADSPA audio filtering [no]
@ -262,7 +262,7 @@ External library support:
--enable-libtesseract enable Tesseract, needed for ocr filter [no]
--enable-libtheora enable Theora encoding via libtheora [no]
--enable-libtls enable LibreSSL (via libtls), needed for https support
if openssl, gnutls or mbedtls is not used [no]
if openssl or gnutls is not used [no]
--enable-libtwolame enable MP2 encoding via libtwolame [no]
--enable-libv4l2 enable libv4l2/v4l-utils [no]
--enable-libvidstab enable video stabilization using vid.stab [no]
@ -290,15 +290,13 @@ External library support:
--disable-lzma disable lzma [autodetect]
--enable-decklink enable Blackmagic DeckLink I/O support [no]
--enable-libndi_newtek enable Newteck NDI I/O support [no]
--enable-mbedtls enable mbedTLS, needed for https support
if openssl, gnutls or libtls is not used [no]
--enable-mediacodec enable Android MediaCodec support [no]
--enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
--enable-openal enable OpenAL 1.1 capture support [no]
--enable-opencl enable OpenCL processing [no]
--enable-opengl enable OpenGL rendering [no]
--enable-openssl enable openssl, needed for https support
if gnutls, libtls or mbedtls is not used [no]
if gnutls or libtls is not used [no]
--disable-sndio disable sndio support [autodetect]
--disable-schannel disable SChannel SSP, needed for TLS support on
Windows if openssl and gnutls are not used [autodetect]
@ -1656,7 +1654,6 @@ EXTERNAL_LIBRARY_VERSION3_LIST="
libopencore_amrwb
libvmaf
libvo_amrwbenc
mbedtls
rkmpp
"
@ -3120,7 +3117,7 @@ fifo_muxer_deps="threads"
flac_demuxer_select="flac_parser"
hds_muxer_select="flv_muxer"
hls_muxer_select="mpegts_muxer"
hls_muxer_suggest="gcrypt openssl mbedtls"
hls_muxer_suggest="gcrypt openssl"
image2_alias_pix_demuxer_select="image2_demuxer"
image2_brender_pix_demuxer_select="image2_demuxer"
ipod_muxer_select="mov_muxer"
@ -3232,7 +3229,7 @@ xv_outdev_extralibs="-lXv -lX11 -lXext"
async_protocol_deps="threads"
bluray_protocol_deps="libbluray"
ffrtmpcrypt_protocol_conflict="librtmp_protocol"
ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
ffrtmpcrypt_protocol_select="tcp_protocol"
ffrtmphttp_protocol_conflict="librtmp_protocol"
ffrtmphttp_protocol_select="http_protocol"
@ -3252,7 +3249,7 @@ librtmpt_protocol_deps="librtmp"
librtmpte_protocol_deps="librtmp"
libsmbclient_protocol_deps="libsmbclient gplv3"
libssh_protocol_deps="libssh"
libtls_conflict="openssl gnutls mbedtls"
libtls_conflict="openssl gnutls"
mmsh_protocol_select="http_protocol"
mmst_protocol_select="network"
libsrt_protocol_deps="libsrt"
@ -3272,13 +3269,13 @@ rtmpte_protocol_suggest="zlib"
rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
rtmpts_protocol_suggest="zlib"
rtp_protocol_select="udp_protocol"
schannel_conflict="openssl gnutls libtls mbedtls"
schannel_conflict="openssl gnutls libtls"
sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
sctp_protocol_select="network"
securetransport_conflict="openssl gnutls libtls mbedtls"
securetransport_conflict="openssl gnutls libtls"
srtp_protocol_select="rtp_protocol srtp"
tcp_protocol_select="network"
tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
tls_protocol_select="tcp_protocol"
udp_protocol_select="network"
udplite_protocol_select="network"
@ -3910,12 +3907,6 @@ fi
enabled_all gnutls openssl &&
die "GnuTLS and OpenSSL must not be enabled at the same time."
enabled_all gnutls mbedtls &&
die "GnuTLS and mbedTLS must not be enabled at the same time."
enabled_all openssl mbedtls &&
die "OpenSSL and mbedTLS must not be enabled at the same time."
# Disable all the library-specific components if the library itself
# is disabled, see AVCODEC_LIST and following _LIST variables.
@ -6099,10 +6090,6 @@ enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_d
{ test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls ||
die "ERROR: mbedTLS not found"; }
enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
{ ! enabled cross_compile &&

1
libavformat/Makefile
View File

@ -608,7 +608,6 @@ OBJS-$(CONFIG_TEE_PROTOCOL) += teeproto.o tee_common.o
OBJS-$(CONFIG_TCP_PROTOCOL) += tcp.o
TLS-OBJS-$(CONFIG_GNUTLS) += tls_gnutls.o
TLS-OBJS-$(CONFIG_LIBTLS) += tls_libtls.o
TLS-OBJS-$(CONFIG_MBEDTLS) += tls_mbedtls.o
TLS-OBJS-$(CONFIG_OPENSSL) += tls_openssl.o
TLS-OBJS-$(CONFIG_SECURETRANSPORT) += tls_securetransport.o
TLS-OBJS-$(CONFIG_SCHANNEL) += tls_schannel.o

55
libavformat/rtmpdh.c
View File

@ -38,11 +38,6 @@
#include "rtmpdh.h"
#if CONFIG_MBEDTLS
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#endif
#define P1024 \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
@ -164,56 +159,6 @@ static int bn_modexp(FFBigNum bn, FFBigNum y, FFBigNum q, FFBigNum p)
BN_CTX_free(ctx);
return 0;
}
#elif CONFIG_MBEDTLS
#define bn_new(bn) \
do { \
bn = av_malloc(sizeof(*bn)); \
if (bn) \
mbedtls_mpi_init(bn); \
} while (0)
#define bn_free(bn) \
do { \
mbedtls_mpi_free(bn); \
av_free(bn); \
} while (0)
#define bn_set_word(bn, w) mbedtls_mpi_lset(bn, w)
#define bn_cmp(a, b) mbedtls_mpi_cmp_mpi(a, b)
#define bn_copy(to, from) mbedtls_mpi_copy(to, from)
#define bn_sub_word(bn, w) mbedtls_mpi_sub_int(bn, bn, w)
#define bn_cmp_1(bn) mbedtls_mpi_cmp_int(bn, 1)
#define bn_num_bytes(bn) (mbedtls_mpi_bitlen(bn) + 7) / 8
#define bn_bn2bin(bn, buf, len) mbedtls_mpi_write_binary(bn, buf, len)
#define bn_bin2bn(bn, buf, len) \
do { \
bn_new(bn); \
if (bn) \
mbedtls_mpi_read_binary(bn, buf, len); \
} while (0)
#define bn_hex2bn(bn, buf, ret) \
do { \
bn_new(bn); \
if (bn) \
ret = (mbedtls_mpi_read_string(bn, 16, buf) == 0); \
else \
ret = 1; \
} while (0)
#define bn_random(bn, num_bits) \
do { \
mbedtls_entropy_context entropy_ctx; \
mbedtls_ctr_drbg_context ctr_drbg_ctx; \
\
mbedtls_entropy_init(&entropy_ctx); \
mbedtls_ctr_drbg_init(&ctr_drbg_ctx); \
mbedtls_ctr_drbg_seed(&ctr_drbg_ctx, \
mbedtls_entropy_func, \
&entropy_ctx, \
NULL, 0); \
mbedtls_mpi_fill_random(bn, (num_bits + 7) / 8, mbedtls_ctr_drbg_random, &ctr_drbg_ctx); \
mbedtls_ctr_drbg_free(&ctr_drbg_ctx); \
mbedtls_entropy_free(&entropy_ctx); \
} while (0)
#define bn_modexp(bn, y, q, p) mbedtls_mpi_exp_mod(bn, y, q, p, 0)
#endif
#define MAX_BYTES 18000

5
libavformat/rtmpdh.h
View File

@ -40,11 +40,6 @@ typedef gcry_mpi_t FFBigNum;
#include <openssl/dh.h>
typedef BIGNUM *FFBigNum;
#elif CONFIG_MBEDTLS
#include <mbedtls/bignum.h>
typedef mbedtls_mpi *FFBigNum;
#endif
typedef struct FF_DH {

351
libavformat/tls_mbedtls.c
View File

@ -1,351 +0,0 @@
/*
* TLS/SSL Protocol
* Copyright (c) 2018 Thomas Volkert
*
* 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
*/
#include <mbedtls/certs.h>
#include <mbedtls/config.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/net.h>
#include <mbedtls/platform.h>
#include <mbedtls/ssl.h>
#include <mbedtls/x509_crt.h>
#include "avformat.h"
#include "internal.h"
#include "url.h"
#include "tls.h"
#include "libavutil/parseutils.h"
typedef struct TLSContext {
const AVClass *class;
TLSShared tls_shared;
mbedtls_ssl_context ssl_context;
mbedtls_ssl_config ssl_config;
mbedtls_entropy_context entropy_context;
mbedtls_ctr_drbg_context ctr_drbg_context;
mbedtls_x509_crt ca_cert;
mbedtls_x509_crt own_cert;
mbedtls_pk_context priv_key;
char *priv_key_pw;
} TLSContext;
#define OFFSET(x) offsetof(TLSContext, x)
static int tls_close(URLContext *h)
{
TLSContext *tls_ctx = h->priv_data;
mbedtls_ssl_close_notify(&tls_ctx->ssl_context);
mbedtls_pk_free(&tls_ctx->priv_key);
mbedtls_x509_crt_free(&tls_ctx->ca_cert);
mbedtls_x509_crt_free(&tls_ctx->own_cert);
mbedtls_ssl_free(&tls_ctx->ssl_context);
mbedtls_ssl_config_free(&tls_ctx->ssl_config);
mbedtls_ctr_drbg_free(&tls_ctx->ctr_drbg_context);
mbedtls_entropy_free(&tls_ctx->entropy_context);
return 0;
}
static int handle_transport_error(URLContext *h, const char* func_name, int react_on_eagain, int ret)
{
switch (ret) {
case AVERROR(EAGAIN):
return react_on_eagain;
case AVERROR_EXIT:
return 0;
case AVERROR(EPIPE):
case AVERROR(ECONNRESET):
return MBEDTLS_ERR_NET_CONN_RESET;
default:
av_log(h, AV_LOG_ERROR, "%s returned 0x%x\n", func_name, ret);
errno = EIO;
return MBEDTLS_ERR_NET_SEND_FAILED;
}
}
static int mbedtls_send(void *ctx, const unsigned char *buf, size_t len)
{
URLContext *h = (URLContext*) ctx;
int ret = ffurl_write(h, buf, len);
if (ret >= 0)
return ret;
if (h->max_packet_size && len > h->max_packet_size)
return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
return handle_transport_error(h, "ffurl_write", MBEDTLS_ERR_SSL_WANT_WRITE, ret);
}
static int mbedtls_recv(void *ctx, unsigned char *buf, size_t len)
{
URLContext *h = (URLContext*) ctx;
int ret = ffurl_read(h, buf, len);
if (ret >= 0)
return ret;
if (h->max_packet_size && len > h->max_packet_size)
return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
return handle_transport_error(h, "ffurl_read", MBEDTLS_ERR_SSL_WANT_READ, ret);
}
static void handle_pk_parse_error(URLContext *h, int ret)
{
switch (ret) {
case MBEDTLS_ERR_PK_FILE_IO_ERROR:
av_log(h, AV_LOG_ERROR, "Read of key file failed. Is it actually there, are the access permissions correct?\n");
break;
case MBEDTLS_ERR_PK_PASSWORD_REQUIRED:
av_log(h, AV_LOG_ERROR, "A password for the private key is missing.\n");
break;
case MBEDTLS_ERR_PK_PASSWORD_MISMATCH:
av_log(h, AV_LOG_ERROR, "The given password for the private key is wrong.\n");
break;
default:
av_log(h, AV_LOG_ERROR, "mbedtls_pk_parse_key returned -0x%x\n", -ret);
break;
}
}
static void handle_handshake_error(URLContext *h, int ret)
{
switch (ret) {
case MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE:
av_log(h, AV_LOG_ERROR, "None of the common ciphersuites is usable. Was the local certificate correctly set?\n");
break;
case MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE:
av_log(h, AV_LOG_ERROR, "A fatal alert message was received from the peer, has the peer a correct certificate?\n");
break;
case MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED:
av_log(h, AV_LOG_ERROR, "No CA chain is set, but required to operate. Was the CA correctly set?\n");
break;
case MBEDTLS_ERR_NET_CONN_RESET:
av_log(h, AV_LOG_ERROR, "TLS handshake was aborted by peer.\n");
break;
default:
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_handshake returned -0x%x\n", -ret);
break;
}
}
static void parse_options(TLSContext *tls_ctxc, const char *uri)
{
char buf[1024];
const char *p = strchr(uri, '?');
if (!p)
return;
if (!tls_ctxc->priv_key_pw && av_find_info_tag(buf, sizeof(buf), "key_password", p))
tls_ctxc->priv_key_pw = av_strdup(buf);
}
static int tls_open(URLContext *h, const char *uri, int flags, AVDictionary **options)
{
TLSContext *tls_ctx = h->priv_data;
TLSShared *shr = &tls_ctx->tls_shared;
uint32_t verify_res_flags;
int ret;
// parse additional options
parse_options(tls_ctx, uri);
if ((ret = ff_tls_open_underlying(shr, h, uri, options)) < 0)
goto fail;
mbedtls_ssl_init(&tls_ctx->ssl_context);
mbedtls_ssl_config_init(&tls_ctx->ssl_config);
mbedtls_entropy_init(&tls_ctx->entropy_context);
mbedtls_ctr_drbg_init(&tls_ctx->ctr_drbg_context);
mbedtls_x509_crt_init(&tls_ctx->ca_cert);
mbedtls_pk_init(&tls_ctx->priv_key);
// load trusted CA
if (shr->ca_file) {
if ((ret = mbedtls_x509_crt_parse_file(&tls_ctx->ca_cert, shr->ca_file)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_x509_crt_parse_file for CA cert returned %d\n", ret);
goto fail;
}
}
// load own certificate
if (shr->cert_file) {
if ((ret = mbedtls_x509_crt_parse_file(&tls_ctx->own_cert, shr->cert_file)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_x509_crt_parse_file for own cert returned %d\n", ret);
goto fail;
}
}
// load key file
if (shr->key_file) {
if ((ret = mbedtls_pk_parse_keyfile(&tls_ctx->priv_key,
shr->key_file,
tls_ctx->priv_key_pw)) != 0) {
handle_pk_parse_error(h, ret);
goto fail;
}
}
// seed the random number generator
if ((ret = mbedtls_ctr_drbg_seed(&tls_ctx->ctr_drbg_context,
mbedtls_entropy_func,
&tls_ctx->entropy_context,
NULL, 0)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ctr_drbg_seed returned %d\n", ret);
goto fail;
}
if ((ret = mbedtls_ssl_config_defaults(&tls_ctx->ssl_config,
shr->listen ? MBEDTLS_SSL_IS_SERVER : MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_config_defaults returned %d\n", ret);
goto fail;
}
mbedtls_ssl_conf_authmode(&tls_ctx->ssl_config,
shr->ca_file ? MBEDTLS_SSL_VERIFY_REQUIRED : MBEDTLS_SSL_VERIFY_NONE);
mbedtls_ssl_conf_rng(&tls_ctx->ssl_config, mbedtls_ctr_drbg_random, &tls_ctx->ctr_drbg_context);
mbedtls_ssl_conf_ca_chain(&tls_ctx->ssl_config, &tls_ctx->ca_cert, NULL);
// set own certificate and private key
if ((ret = mbedtls_ssl_conf_own_cert(&tls_ctx->ssl_config, &tls_ctx->own_cert, &tls_ctx->priv_key)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_conf_own_cert returned %d\n", ret);
goto fail;
}
if ((ret = mbedtls_ssl_setup(&tls_ctx->ssl_context, &tls_ctx->ssl_config)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_setup returned %d\n", ret);
goto fail;
}
if (!shr->listen && !shr->numerichost) {
if ((ret = mbedtls_ssl_set_hostname(&tls_ctx->ssl_context, shr->host)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_set_hostname returned %d\n", ret);
goto fail;
}
}
// set I/O functions to use FFmpeg internal code for transport layer
mbedtls_ssl_set_bio(&tls_ctx->ssl_context, shr->tcp, mbedtls_send, mbedtls_recv, NULL);
// ssl handshake
while ((ret = mbedtls_ssl_handshake(&tls_ctx->ssl_context)) != 0) {
if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
handle_handshake_error(h, ret);
goto fail;
}
}
if (shr->verify) {
// check the result of the certificate verification
if ((verify_res_flags = mbedtls_ssl_get_verify_result(&tls_ctx->ssl_context)) != 0) {
av_log(h, AV_LOG_ERROR, "mbedtls_ssl_get_verify_result reported problems "\
"with the certificate verification, returned flags: %u\n",
verify_res_flags);
if (verify_res_flags & MBEDTLS_X509_BADCERT_NOT_TRUSTED)
av_log(h, AV_LOG_ERROR, "The certificate is not correctly signed by the trusted CA.\n");
goto fail;
}
}
return 0;
fail:
tls_close(h);
return AVERROR(EIO);
}
static int handle_tls_error(URLContext *h, const char* func_name, int ret)
{
switch (ret) {
case MBEDTLS_ERR_SSL_WANT_READ:
case MBEDTLS_ERR_SSL_WANT_WRITE:
return AVERROR(EAGAIN);
case MBEDTLS_ERR_NET_SEND_FAILED:
case MBEDTLS_ERR_NET_RECV_FAILED:
return AVERROR(EIO);
case MBEDTLS_ERR_NET_CONN_RESET:
case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
av_log(h, AV_LOG_WARNING, "%s reported connection reset by peer\n", func_name);
return AVERROR_EOF;
default:
av_log(h, AV_LOG_ERROR, "%s returned -0x%x\n", func_name, -ret);
return AVERROR(EIO);
}
}
static int tls_read(URLContext *h, uint8_t *buf, int size)
{
TLSContext *tls_ctx = h->priv_data;
int ret;
if ((ret = mbedtls_ssl_read(&tls_ctx->ssl_context, buf, size)) > 0) {
// return read length
return ret;
}
return handle_tls_error(h, "mbedtls_ssl_read", ret);
}
static int tls_write(URLContext *h, const uint8_t *buf, int size)
{
TLSContext *tls_ctx = h->priv_data;
int ret;
if ((ret = mbedtls_ssl_write(&tls_ctx->ssl_context, buf, size)) > 0) {
// return written length
return ret;
}
return handle_tls_error(h, "mbedtls_ssl_write", ret);
}
static int tls_get_file_handle(URLContext *h)
{
TLSContext *c = h->priv_data;
return ffurl_get_file_handle(c->tls_shared.tcp);
}
static const AVOption options[] = {
TLS_COMMON_OPTIONS(TLSContext, tls_shared), \
{"key_password", "Password for the private key file", OFFSET(priv_key_pw), AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, \
{ NULL }
};
static const AVClass tls_class = {
.class_name = "tls",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
const URLProtocol ff_tls_protocol = {
.name = "tls",
.url_open2 = tls_open,
.url_read = tls_read,
.url_write = tls_write,
.url_close = tls_close,
.url_get_file_handle = tls_get_file_handle,
.priv_data_size = sizeof(TLSContext),
.flags = URL_PROTOCOL_FLAG_NETWORK,
.priv_data_class = &tls_class,
};

2
libavformat/version.h
View File

@ -32,7 +32,7 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 58
#define LIBAVFORMAT_VERSION_MINOR 14
#define LIBAVFORMAT_VERSION_MINOR 13
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \