From 48ecad006fcd9db4558d1d23482e37006805bf1e Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Date: Mon, 3 Dec 2018 17:01:59 +0100
Subject: [PATCH] lavd: Remove libndi_newtek

---
 Changelog                          |    1 +
 configure                          |    7 -
 libavdevice/Makefile               |    2 -
 libavdevice/libndi_newtek_common.h |   30 ----
 libavdevice/libndi_newtek_dec.c    |  342 ------------------------------------
 libavdevice/libndi_newtek_enc.c    |  299 -------------------------------
 libavdevice/version.h              |    4 +-
 7 files changed, 3 insertions(+), 682 deletions(-)
 delete mode 100644 libavdevice/libndi_newtek_common.h
 delete mode 100644 libavdevice/libndi_newtek_dec.c
 delete mode 100644 libavdevice/libndi_newtek_enc.c

diff --git a/Changelog b/Changelog
index 1f53ff4..ad03f43 100644
--- a/Changelog
+++ b/Changelog
@@ -10,6 +10,7 @@ version <next>:
 - truehd_core bitstream filter
 - dhav demuxer
 - PCM-DVD encoder
+- removed libndi-newtek
 
 
 version 4.1:
diff --git a/configure b/configure
index 2af6c0d..4e86a3b 100755
--- a/configure
+++ b/configure
@@ -297,7 +297,6 @@ External library support:
   --enable-lv2             enable LV2 audio filtering [no]
   --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]
@@ -1675,7 +1674,6 @@ EXTERNAL_LIBRARY_GPL_LIST="
 
 EXTERNAL_LIBRARY_NONFREE_LIST="
     decklink
-    libndi_newtek
     libfdk_aac
     openssl
     libtls
@@ -3256,10 +3254,6 @@ decklink_indev_extralibs="-lstdc++"
 decklink_outdev_deps="decklink threads"
 decklink_outdev_suggest="libklvanc"
 decklink_outdev_extralibs="-lstdc++"
-libndi_newtek_indev_deps="libndi_newtek"
-libndi_newtek_indev_extralibs="-lndi"
-libndi_newtek_outdev_deps="libndi_newtek"
-libndi_newtek_outdev_extralibs="-lndi"
 dshow_indev_deps="IBaseFilter"
 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
 fbdev_indev_deps="linux_fb_h"
@@ -6064,7 +6058,6 @@ enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda
 enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
 enabled decklink          && { require_headers DeckLinkAPI.h &&
                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }
-enabled libndi_newtek     && require_headers Processing.NDI.Lib.h
 enabled frei0r            && require_headers frei0r.h
 enabled gmp               && require gmp gmp.h mpz_export -lgmp
 enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
diff --git a/libavdevice/Makefile b/libavdevice/Makefile
index f11a6f2..5a907aa 100644
--- a/libavdevice/Makefile
+++ b/libavdevice/Makefile
@@ -20,8 +20,6 @@ OBJS-$(CONFIG_BKTR_INDEV)                += bktr.o
 OBJS-$(CONFIG_CACA_OUTDEV)               += caca.o
 OBJS-$(CONFIG_DECKLINK_OUTDEV)           += decklink_enc.o decklink_enc_c.o decklink_common.o
 OBJS-$(CONFIG_DECKLINK_INDEV)            += decklink_dec.o decklink_dec_c.o decklink_common.o
-OBJS-$(CONFIG_LIBNDI_NEWTEK_OUTDEV)      += libndi_newtek_enc.o
-OBJS-$(CONFIG_LIBNDI_NEWTEK_INDEV)       += libndi_newtek_dec.o
 OBJS-$(CONFIG_DSHOW_INDEV)               += dshow_crossbar.o dshow.o dshow_enummediatypes.o \
                                             dshow_enumpins.o dshow_filter.o \
                                             dshow_pin.o dshow_common.o
diff --git a/libavdevice/libndi_newtek_common.h b/libavdevice/libndi_newtek_common.h
deleted file mode 100644
index 8990317..0000000
--- a/libavdevice/libndi_newtek_common.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * NewTek NDI common code
- * Copyright (c) 2017 Maksym Veremeyenko
- *
- * 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 AVDEVICE_LIBNDI_NEWTEK_COMMON_H
-#define AVDEVICE_LIBNDI_NEWTEK_COMMON_H
-
-#include <Processing.NDI.Lib.h>
-
-#define NDI_TIME_BASE 10000000
-#define NDI_TIME_BASE_Q (AVRational){1, NDI_TIME_BASE}
-
-#endif
diff --git a/libavdevice/libndi_newtek_dec.c b/libavdevice/libndi_newtek_dec.c
deleted file mode 100644
index d2d5648..0000000
--- a/libavdevice/libndi_newtek_dec.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Newtek NDI input
- * Copyright (c) 2017 Maksym Veremeyenko
- *
- * 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 "libavformat/avformat.h"
-#include "libavformat/internal.h"
-#include "libavutil/opt.h"
-#include "libavutil/imgutils.h"
-
-#include "libndi_newtek_common.h"
-
-struct NDIContext {
-    const AVClass *cclass;
-
-    /* Options */
-    int find_sources;
-    int64_t wait_sources;
-    int allow_video_fields;
-    char *extra_ips;
-
-    /* Runtime */
-    NDIlib_recv_create_t *recv;
-    NDIlib_find_instance_t ndi_find;
-
-    /* Streams */
-    AVStream *video_st, *audio_st;
-};
-
-static int ndi_set_video_packet(AVFormatContext *avctx, NDIlib_video_frame_t *v, AVPacket *pkt)
-{
-    int ret;
-    struct NDIContext *ctx = avctx->priv_data;
-
-    ret = av_new_packet(pkt, v->yres * v->line_stride_in_bytes);
-    if (ret < 0)
-        return ret;
-
-    pkt->dts = pkt->pts = av_rescale_q(v->timecode, NDI_TIME_BASE_Q, ctx->video_st->time_base);
-    pkt->duration = av_rescale_q(1, (AVRational){v->frame_rate_D, v->frame_rate_N}, ctx->video_st->time_base);
-
-    av_log(avctx, AV_LOG_DEBUG, "%s: pkt->dts = pkt->pts = %"PRId64", duration=%"PRId64", timecode=%"PRId64"\n",
-        __func__, pkt->dts, pkt->duration, v->timecode);
-
-    pkt->flags         |= AV_PKT_FLAG_KEY;
-    pkt->stream_index   = ctx->video_st->index;
-
-    memcpy(pkt->data, v->p_data, pkt->size);
-
-    return 0;
-}
-
-static int ndi_set_audio_packet(AVFormatContext *avctx, NDIlib_audio_frame_t *a, AVPacket *pkt)
-{
-    int ret;
-    struct NDIContext *ctx = avctx->priv_data;
-
-    NDIlib_audio_frame_interleaved_16s_t dst;
-
-    ret = av_new_packet(pkt, 2 * a->no_samples * a->no_channels);
-    if (ret < 0)
-        return ret;
-
-    pkt->dts = pkt->pts = av_rescale_q(a->timecode, NDI_TIME_BASE_Q, ctx->audio_st->time_base);
-    pkt->duration = av_rescale_q(1, (AVRational){a->no_samples, a->sample_rate}, ctx->audio_st->time_base);
-
-    av_log(avctx, AV_LOG_DEBUG, "%s: pkt->dts = pkt->pts = %"PRId64", duration=%"PRId64", timecode=%"PRId64"\n",
-        __func__, pkt->dts, pkt->duration, a->timecode);
-
-    pkt->flags       |= AV_PKT_FLAG_KEY;
-    pkt->stream_index = ctx->audio_st->index;
-
-    dst.reference_level = 0;
-    dst.p_data = (short *)pkt->data;
-    NDIlib_util_audio_to_interleaved_16s(a, &dst);
-
-    return 0;
-}
-
-static int ndi_find_sources(AVFormatContext *avctx, const char *name, NDIlib_source_t *source_to_connect_to)
-{
-    int j = AVERROR(ENODEV);
-    unsigned int n, i;
-    struct NDIContext *ctx = avctx->priv_data;
-    const NDIlib_source_t *ndi_srcs = NULL;
-    const NDIlib_find_create_t find_create_desc = { .show_local_sources = true,
-        .p_groups = NULL, .p_extra_ips = ctx->extra_ips };
-
-    if (!ctx->ndi_find)
-        ctx->ndi_find = NDIlib_find_create2(&find_create_desc);
-    if (!ctx->ndi_find) {
-        av_log(avctx, AV_LOG_ERROR, "NDIlib_find_create failed.\n");
-        return AVERROR(EIO);
-    }
-
-    while (1)
-    {
-        int f, t = ctx->wait_sources / 1000;
-        av_log(avctx, AV_LOG_DEBUG, "Waiting for sources %d miliseconds\n", t);
-        f = NDIlib_find_wait_for_sources(ctx->ndi_find, t);
-        av_log(avctx, AV_LOG_DEBUG, "NDIlib_find_wait_for_sources returns %d\n", f);
-        if (!f)
-            break;
-    };
-
-    ndi_srcs = NDIlib_find_get_current_sources(ctx->ndi_find, &n);
-
-    if (ctx->find_sources)
-        av_log(avctx, AV_LOG_INFO, "Found %d NDI sources:\n", n);
-
-    for (i = 0; i < n; i++) {
-        if (ctx->find_sources)
-            av_log(avctx, AV_LOG_INFO, "\t'%s'\t'%s'\n", ndi_srcs[i].p_ndi_name, ndi_srcs[i].p_ip_address);
-
-        if (!strcmp(name, ndi_srcs[i].p_ndi_name)) {
-            *source_to_connect_to = ndi_srcs[i];
-            j = i;
-        }
-    }
-
-    return j;
-}
-
-static int ndi_read_header(AVFormatContext *avctx)
-{
-    int ret;
-    NDIlib_recv_create_t recv_create_desc;
-    const NDIlib_tally_t tally_state = { .on_program = true, .on_preview = false };
-    struct NDIContext *ctx = avctx->priv_data;
-
-    if (!NDIlib_initialize()) {
-        av_log(avctx, AV_LOG_ERROR, "NDIlib_initialize failed.\n");
-        return AVERROR_EXTERNAL;
-    }
-
-    /* Find available sources. */
-    ret = ndi_find_sources(avctx, avctx->url, &recv_create_desc.source_to_connect_to);
-    if (ctx->find_sources) {
-        return AVERROR_EXIT;
-    }
-    if (ret < 0)
-        return ret;
-
-    /* Create receiver description */
-    recv_create_desc.color_format = NDIlib_recv_color_format_e_UYVY_RGBA;
-    recv_create_desc.bandwidth = NDIlib_recv_bandwidth_highest;
-    recv_create_desc.allow_video_fields = ctx->allow_video_fields;
-
-    /* Create the receiver */
-    ctx->recv = NDIlib_recv_create(&recv_create_desc);
-    if (!ctx->recv) {
-        av_log(avctx, AV_LOG_ERROR, "NDIlib_recv_create2 failed.\n");
-        return AVERROR(EIO);
-    }
-
-    /* Set tally */
-    NDIlib_recv_set_tally(ctx->recv, &tally_state);
-
-    avctx->ctx_flags |= AVFMTCTX_NOHEADER;
-
-    return 0;
-}
-
-static int ndi_create_video_stream(AVFormatContext *avctx, NDIlib_video_frame_t *v)
-{
-    AVStream *st;
-    AVRational tmp;
-    struct NDIContext *ctx = avctx->priv_data;
-
-    st = avformat_new_stream(avctx, NULL);
-    if (!st) {
-        av_log(avctx, AV_LOG_ERROR, "Cannot add video stream\n");
-        return AVERROR(ENOMEM);
-    }
-
-    st->time_base                   = NDI_TIME_BASE_Q;
-    st->r_frame_rate                = av_make_q(v->frame_rate_N, v->frame_rate_D);
-
-    tmp = av_mul_q(av_d2q(v->picture_aspect_ratio, INT_MAX), (AVRational){v->yres, v->xres});
-    av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den, tmp.num, tmp.den, 1000);
-    st->codecpar->sample_aspect_ratio = st->sample_aspect_ratio;
-
-    st->codecpar->codec_type        = AVMEDIA_TYPE_VIDEO;
-    st->codecpar->width             = v->xres;
-    st->codecpar->height            = v->yres;
-    st->codecpar->codec_id          = AV_CODEC_ID_RAWVIDEO;
-    st->codecpar->bit_rate          = av_rescale(v->xres * v->yres * 16, v->frame_rate_N, v->frame_rate_D);
-    st->codecpar->field_order       = v->frame_format_type == NDIlib_frame_format_type_progressive
-        ? AV_FIELD_PROGRESSIVE : AV_FIELD_TT;
-
-    if (NDIlib_FourCC_type_UYVY == v->FourCC || NDIlib_FourCC_type_UYVA == v->FourCC) {
-        st->codecpar->format        = AV_PIX_FMT_UYVY422;
-        st->codecpar->codec_tag     = MKTAG('U', 'Y', 'V', 'Y');
-        if (NDIlib_FourCC_type_UYVA == v->FourCC)
-            av_log(avctx, AV_LOG_WARNING, "Alpha channel ignored\n");
-    } else if (NDIlib_FourCC_type_BGRA == v->FourCC) {
-        st->codecpar->format        = AV_PIX_FMT_BGRA;
-        st->codecpar->codec_tag     = MKTAG('B', 'G', 'R', 'A');
-    } else if (NDIlib_FourCC_type_BGRX == v->FourCC) {
-        st->codecpar->format        = AV_PIX_FMT_BGR0;
-        st->codecpar->codec_tag     = MKTAG('B', 'G', 'R', '0');
-    } else if (NDIlib_FourCC_type_RGBA == v->FourCC) {
-        st->codecpar->format        = AV_PIX_FMT_RGBA;
-        st->codecpar->codec_tag     = MKTAG('R', 'G', 'B', 'A');
-    } else if (NDIlib_FourCC_type_RGBX == v->FourCC) {
-        st->codecpar->format        = AV_PIX_FMT_RGB0;
-        st->codecpar->codec_tag     = MKTAG('R', 'G', 'B', '0');
-    } else {
-        av_log(avctx, AV_LOG_ERROR, "Unsupported video stream format, v->FourCC=%d\n", v->FourCC);
-        return AVERROR(EINVAL);
-    }
-
-    avpriv_set_pts_info(st, 64, 1, NDI_TIME_BASE);
-
-    ctx->video_st = st;
-
-    return 0;
-}
-
-static int ndi_create_audio_stream(AVFormatContext *avctx, NDIlib_audio_frame_t *a)
-{
-    AVStream *st;
-    struct NDIContext *ctx = avctx->priv_data;
-
-    st = avformat_new_stream(avctx, NULL);
-    if (!st) {
-        av_log(avctx, AV_LOG_ERROR, "Cannot add audio stream\n");
-        return AVERROR(ENOMEM);
-    }
-
-    st->codecpar->codec_type        = AVMEDIA_TYPE_AUDIO;
-    st->codecpar->codec_id          = AV_CODEC_ID_PCM_S16LE;
-    st->codecpar->sample_rate       = a->sample_rate;
-    st->codecpar->channels          = a->no_channels;
-
-    avpriv_set_pts_info(st, 64, 1, NDI_TIME_BASE);
-
-    ctx->audio_st = st;
-
-    return 0;
-}
-
-static int ndi_read_packet(AVFormatContext *avctx, AVPacket *pkt)
-{
-    int ret = 0;
-    struct NDIContext *ctx = avctx->priv_data;
-
-    while (!ret) {
-        NDIlib_video_frame_t v;
-        NDIlib_audio_frame_t a;
-        NDIlib_metadata_frame_t m;
-        NDIlib_frame_type_e t;
-
-        av_log(avctx, AV_LOG_DEBUG, "NDIlib_recv_capture...\n");
-        t = NDIlib_recv_capture(ctx->recv, &v, &a, &m, 40);
-        av_log(avctx, AV_LOG_DEBUG, "NDIlib_recv_capture=%d\n", t);
-
-        if (t == NDIlib_frame_type_video) {
-            if (!ctx->video_st)
-                ret = ndi_create_video_stream(avctx, &v);
-            if (!ret)
-                ret = ndi_set_video_packet(avctx, &v, pkt);
-            NDIlib_recv_free_video(ctx->recv, &v);
-            break;
-        }
-        else if (t == NDIlib_frame_type_audio) {
-            if (!ctx->audio_st)
-                ret = ndi_create_audio_stream(avctx, &a);
-            if (!ret)
-                ret = ndi_set_audio_packet(avctx, &a, pkt);
-            NDIlib_recv_free_audio(ctx->recv, &a);
-            break;
-        }
-        else if (t == NDIlib_frame_type_metadata)
-            NDIlib_recv_free_metadata(ctx->recv, &m);
-        else if (t == NDIlib_frame_type_error){
-            av_log(avctx, AV_LOG_ERROR, "NDIlib_recv_capture failed with error\n");
-            ret = AVERROR(EIO);
-        }
-    };
-
-    return ret;
-}
-
-static int ndi_read_close(AVFormatContext *avctx)
-{
-    struct NDIContext *ctx = (struct NDIContext *)avctx->priv_data;
-
-    if (ctx->recv)
-        NDIlib_recv_destroy(ctx->recv);
-
-    if (ctx->ndi_find)
-        NDIlib_find_destroy(ctx->ndi_find);
-
-    return 0;
-}
-
-#define OFFSET(x) offsetof(struct NDIContext, x)
-#define DEC AV_OPT_FLAG_DECODING_PARAM
-
-static const AVOption options[] = {
-    { "find_sources", "Find available sources"  , OFFSET(find_sources), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
-    { "wait_sources", "Time to wait until the number of online sources have changed"  , OFFSET(wait_sources), AV_OPT_TYPE_DURATION, { .i64 = 1000000 }, 100000, 20000000, DEC },
-    { "allow_video_fields", "When this flag is FALSE, all video that you receive will be progressive"  , OFFSET(allow_video_fields), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, DEC },
-    { "extra_ips", "List of comma separated ip addresses to scan for remote sources",       OFFSET(extra_ips), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC },
-    { NULL },
-};
-
-static const AVClass libndi_newtek_demuxer_class = {
-    .class_name = "NDI demuxer",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
-};
-
-AVInputFormat ff_libndi_newtek_demuxer = {
-    .name           = "libndi_newtek",
-    .long_name      = NULL_IF_CONFIG_SMALL("Network Device Interface (NDI) input using NewTek library"),
-    .flags          = AVFMT_NOFILE,
-    .priv_class     = &libndi_newtek_demuxer_class,
-    .priv_data_size = sizeof(struct NDIContext),
-    .read_header   = ndi_read_header,
-    .read_packet   = ndi_read_packet,
-    .read_close    = ndi_read_close,
-};
diff --git a/libavdevice/libndi_newtek_enc.c b/libavdevice/libndi_newtek_enc.c
deleted file mode 100644
index f3603f5..0000000
--- a/libavdevice/libndi_newtek_enc.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * NewTek NDI output
- * Copyright (c) 2017 Maksym Veremeyenko
- *
- * 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 "libavformat/avformat.h"
-#include "libavformat/internal.h"
-#include "libavutil/opt.h"
-#include "libavutil/imgutils.h"
-
-#include "libndi_newtek_common.h"
-
-struct NDIContext {
-    const AVClass *cclass;
-
-    /* Options */
-    int reference_level;
-    int clock_video, clock_audio;
-
-    NDIlib_video_frame_t *video;
-    NDIlib_audio_frame_interleaved_16s_t *audio;
-    NDIlib_send_instance_t ndi_send;
-    AVFrame *last_avframe;
-};
-
-static int ndi_write_trailer(AVFormatContext *avctx)
-{
-    struct NDIContext *ctx = avctx->priv_data;
-
-    if (ctx->ndi_send) {
-        NDIlib_send_destroy(ctx->ndi_send);
-        av_frame_free(&ctx->last_avframe);
-    }
-
-    av_freep(&ctx->video);
-    av_freep(&ctx->audio);
-
-    return 0;
-}
-
-static int ndi_write_video_packet(AVFormatContext *avctx, AVStream *st, AVPacket *pkt)
-{
-    struct NDIContext *ctx = avctx->priv_data;
-    AVFrame *avframe, *tmp = (AVFrame *)pkt->data;
-
-    if (tmp->format != AV_PIX_FMT_UYVY422 && tmp->format != AV_PIX_FMT_BGRA &&
-        tmp->format != AV_PIX_FMT_BGR0 && tmp->format != AV_PIX_FMT_RGBA &&
-        tmp->format != AV_PIX_FMT_RGB0) {
-        av_log(avctx, AV_LOG_ERROR, "Got a frame with invalid pixel format.\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (tmp->linesize[0] < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Got a frame with negative linesize.\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (tmp->width  != ctx->video->xres ||
-        tmp->height != ctx->video->yres) {
-        av_log(avctx, AV_LOG_ERROR, "Got a frame with invalid dimension.\n");
-        av_log(avctx, AV_LOG_ERROR, "tmp->width=%d, tmp->height=%d, ctx->video->xres=%d, ctx->video->yres=%d\n",
-            tmp->width, tmp->height, ctx->video->xres, ctx->video->yres);
-        return AVERROR(EINVAL);
-    }
-
-    avframe = av_frame_clone(tmp);
-    if (!avframe)
-        return AVERROR(ENOMEM);
-
-    ctx->video->timecode = av_rescale_q(pkt->pts, st->time_base, NDI_TIME_BASE_Q);
-
-    ctx->video->line_stride_in_bytes = avframe->linesize[0];
-    ctx->video->p_data = (void *)(avframe->data[0]);
-
-    av_log(avctx, AV_LOG_DEBUG, "%s: pkt->pts=%"PRId64", timecode=%"PRId64", st->time_base=%d/%d\n",
-        __func__, pkt->pts, ctx->video->timecode, st->time_base.num, st->time_base.den);
-
-    /* asynchronous for one frame, but will block if a second frame
-        is given before the first one has been sent */
-    NDIlib_send_send_video_async(ctx->ndi_send, ctx->video);
-
-    av_frame_free(&ctx->last_avframe);
-    ctx->last_avframe = avframe;
-
-    return 0;
-}
-
-static int ndi_write_audio_packet(AVFormatContext *avctx, AVStream *st, AVPacket *pkt)
-{
-    struct NDIContext *ctx = avctx->priv_data;
-
-    ctx->audio->p_data = (short *)pkt->data;
-    ctx->audio->timecode = av_rescale_q(pkt->pts, st->time_base, NDI_TIME_BASE_Q);
-    ctx->audio->no_samples = pkt->size / (ctx->audio->no_channels << 1);
-
-    av_log(avctx, AV_LOG_DEBUG, "%s: pkt->pts=%"PRId64", timecode=%"PRId64", st->time_base=%d/%d\n",
-        __func__, pkt->pts, ctx->audio->timecode, st->time_base.num, st->time_base.den);
-
-    NDIlib_util_send_send_audio_interleaved_16s(ctx->ndi_send, ctx->audio);
-
-    return 0;
-}
-
-static int ndi_write_packet(AVFormatContext *avctx, AVPacket *pkt)
-{
-    AVStream *st = avctx->streams[pkt->stream_index];
-
-    if      (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
-        return ndi_write_video_packet(avctx, st, pkt);
-    else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
-        return ndi_write_audio_packet(avctx, st, pkt);
-
-    return AVERROR_BUG;
-}
-
-static int ndi_setup_audio(AVFormatContext *avctx, AVStream *st)
-{
-    struct NDIContext *ctx = avctx->priv_data;
-    AVCodecParameters *c = st->codecpar;
-
-    if (ctx->audio) {
-        av_log(avctx, AV_LOG_ERROR, "Only one audio stream is supported!\n");
-        return AVERROR(EINVAL);
-    }
-
-    ctx->audio = av_mallocz(sizeof(NDIlib_audio_frame_interleaved_16s_t));
-    if (!ctx->audio)
-        return AVERROR(ENOMEM);
-
-    ctx->audio->sample_rate = c->sample_rate;
-    ctx->audio->no_channels = c->channels;
-    ctx->audio->reference_level = ctx->reference_level;
-
-    avpriv_set_pts_info(st, 64, 1, NDI_TIME_BASE);
-
-    return 0;
-}
-
-static int ndi_setup_video(AVFormatContext *avctx, AVStream *st)
-{
-    struct NDIContext *ctx = avctx->priv_data;
-    AVCodecParameters *c = st->codecpar;
-
-    if (ctx->video) {
-        av_log(avctx, AV_LOG_ERROR, "Only one video stream is supported!\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (c->codec_id != AV_CODEC_ID_WRAPPED_AVFRAME) {
-        av_log(avctx, AV_LOG_ERROR, "Unsupported codec format!"
-               " Only AV_CODEC_ID_WRAPPED_AVFRAME is supported (-vcodec wrapped_avframe).\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (c->format != AV_PIX_FMT_UYVY422 && c->format != AV_PIX_FMT_BGRA &&
-        c->format != AV_PIX_FMT_BGR0 && c->format != AV_PIX_FMT_RGBA &&
-        c->format != AV_PIX_FMT_RGB0) {
-        av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format!"
-               " Only AV_PIX_FMT_UYVY422, AV_PIX_FMT_BGRA, AV_PIX_FMT_BGR0,"
-               " AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB0 is supported.\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (c->field_order == AV_FIELD_BB || c->field_order == AV_FIELD_BT) {
-        av_log(avctx, AV_LOG_ERROR, "Lower field-first disallowed");
-        return AVERROR(EINVAL);
-    }
-
-    ctx->video = av_mallocz(sizeof(NDIlib_video_frame_t));
-    if (!ctx->video)
-        return AVERROR(ENOMEM);
-
-    switch(c->format) {
-        case AV_PIX_FMT_UYVY422:
-            ctx->video->FourCC = NDIlib_FourCC_type_UYVY;
-            break;
-        case AV_PIX_FMT_BGRA:
-            ctx->video->FourCC = NDIlib_FourCC_type_BGRA;
-            break;
-        case AV_PIX_FMT_BGR0:
-            ctx->video->FourCC = NDIlib_FourCC_type_BGRX;
-            break;
-        case AV_PIX_FMT_RGBA:
-            ctx->video->FourCC = NDIlib_FourCC_type_RGBA;
-            break;
-        case AV_PIX_FMT_RGB0:
-            ctx->video->FourCC = NDIlib_FourCC_type_RGBX;
-            break;
-    }
-
-    ctx->video->xres = c->width;
-    ctx->video->yres = c->height;
-    ctx->video->frame_rate_N = st->avg_frame_rate.num;
-    ctx->video->frame_rate_D = st->avg_frame_rate.den;
-    ctx->video->frame_format_type = c->field_order == AV_FIELD_PROGRESSIVE
-        ? NDIlib_frame_format_type_progressive
-        : NDIlib_frame_format_type_interleaved;
-
-    if (st->sample_aspect_ratio.num) {
-        AVRational display_aspect_ratio;
-        av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
-                  st->codecpar->width  * (int64_t)st->sample_aspect_ratio.num,
-                  st->codecpar->height * (int64_t)st->sample_aspect_ratio.den,
-                  1024 * 1024);
-        ctx->video->picture_aspect_ratio = av_q2d(display_aspect_ratio);
-    }
-    else
-        ctx->video->picture_aspect_ratio = (double)st->codecpar->width/st->codecpar->height;
-
-    avpriv_set_pts_info(st, 64, 1, NDI_TIME_BASE);
-
-    return 0;
-}
-
-static int ndi_write_header(AVFormatContext *avctx)
-{
-    int ret = 0;
-    unsigned int n;
-    struct NDIContext *ctx = avctx->priv_data;
-    const NDIlib_send_create_t ndi_send_desc = { .p_ndi_name = avctx->url,
-        .p_groups = NULL, .clock_video = ctx->clock_video, .clock_audio = ctx->clock_audio };
-
-    if (!NDIlib_initialize()) {
-        av_log(avctx, AV_LOG_ERROR, "NDIlib_initialize failed.\n");
-        return AVERROR_EXTERNAL;
-    }
-
-    /* check if streams compatible */
-    for (n = 0; n < avctx->nb_streams; n++) {
-        AVStream *st = avctx->streams[n];
-        AVCodecParameters *c = st->codecpar;
-        if        (c->codec_type == AVMEDIA_TYPE_AUDIO) {
-            if ((ret = ndi_setup_audio(avctx, st)))
-                goto error;
-        } else if (c->codec_type == AVMEDIA_TYPE_VIDEO) {
-            if ((ret = ndi_setup_video(avctx, st)))
-                goto error;
-        } else {
-            av_log(avctx, AV_LOG_ERROR, "Unsupported stream type.\n");
-            ret = AVERROR(EINVAL);
-            goto error;
-        }
-    }
-
-    ctx->ndi_send = NDIlib_send_create(&ndi_send_desc);
-    if (!ctx->ndi_send) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create NDI output %s\n", avctx->url);
-        ret = AVERROR_EXTERNAL;
-    }
-
-error:
-    return ret;
-}
-
-#define OFFSET(x) offsetof(struct NDIContext, x)
-static const AVOption options[] = {
-    { "reference_level", "The audio reference level in dB"  , OFFSET(reference_level), AV_OPT_TYPE_INT, { .i64 = 0 }, -20, 20, AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM},
-    { "clock_video", "These specify whether video 'clock' themselves"  , OFFSET(clock_video), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM },
-    { "clock_audio", "These specify whether audio 'clock' themselves"  , OFFSET(clock_audio), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM },
-    { NULL },
-};
-
-static const AVClass libndi_newtek_muxer_class = {
-    .class_name = "NDI muxer",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
-};
-
-AVOutputFormat ff_libndi_newtek_muxer = {
-    .name           = "libndi_newtek",
-    .long_name      = NULL_IF_CONFIG_SMALL("Network Device Interface (NDI) output using NewTek library"),
-    .audio_codec    = AV_CODEC_ID_PCM_S16LE,
-    .video_codec    = AV_CODEC_ID_WRAPPED_AVFRAME,
-    .subtitle_codec = AV_CODEC_ID_NONE,
-    .flags          = AVFMT_NOFILE,
-    .priv_class     = &libndi_newtek_muxer_class,
-    .priv_data_size = sizeof(struct NDIContext),
-    .write_header   = ndi_write_header,
-    .write_packet   = ndi_write_packet,
-    .write_trailer  = ndi_write_trailer,
-};
diff --git a/libavdevice/version.h b/libavdevice/version.h
index e6ae2c4..dc82519 100644
--- a/libavdevice/version.h
+++ b/libavdevice/version.h
@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVDEVICE_VERSION_MAJOR  58
-#define LIBAVDEVICE_VERSION_MINOR   6
-#define LIBAVDEVICE_VERSION_MICRO 101
+#define LIBAVDEVICE_VERSION_MINOR   7
+#define LIBAVDEVICE_VERSION_MICRO 100
 
 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
                                                LIBAVDEVICE_VERSION_MINOR, \
-- 
1.7.10.4

