Description: Patch to build with FFmpeg 4.0
             https://github.com/webcamoid/webcamoid/pull/119/
             commits/52fbf8376085aded2d87397be58cda6e209d3bb7
Author: https://github.com/webcamoid/webcamoid/commits?author=jbeich
Reviewed-By: Herbert Parentes Fortes Neto <hpfn@debian.org>
Last-Update: 2018-07-21
Index: webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.cpp
+++ webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.cpp
@@ -62,7 +62,7 @@ AbstractStream::AbstractStream(const AVF
 
     // Some formats want stream headers to be separate.
     if (formatContext->oformat->flags & AVFMT_GLOBALHEADER)
-        this->m_codecContext->flags |= CODEC_FLAG_GLOBAL_HEADER;
+        this->m_codecContext->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
     this->m_codecContext->strict_std_compliance = CODEC_COMPLIANCE;
 
Index: webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.h
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.h
+++ webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/abstractstream.h
@@ -29,6 +29,15 @@ extern "C"
 {
     #include <libavformat/avformat.h>
     #include <libavcodec/avcodec.h>
+    #ifndef AV_CODEC_CAP_EXPERIMENTAL
+    #define AV_CODEC_CAP_EXPERIMENTAL CODEC_CAP_EXPERIMENTAL
+    #endif
+    #ifndef AV_CODEC_CAP_VARIABLE_FRAME_SIZE
+    #define AV_CODEC_CAP_VARIABLE_FRAME_SIZE CODEC_CAP_VARIABLE_FRAME_SIZE
+    #endif
+    #ifndef AV_CODEC_FLAG_GLOBAL_HEADER
+    #define AV_CODEC_FLAG_GLOBAL_HEADER CODEC_FLAG_GLOBAL_HEADER
+    #endif
 }
 
 #define CODEC_COMPLIANCE FF_COMPLIANCE_VERY_STRICT
Index: webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/audiostream.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSink/src/ffmpeg/src/audiostream.cpp
+++ webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/audiostream.cpp
@@ -267,7 +267,7 @@ void AudioStream::convertPacket(const Ak
     this->deleteFrame(&this->m_frame);
     this->m_frame = oFrame;
 
-    if (codecContext->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE
+    if (codecContext->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE
         || oFrame->nb_samples >= codecContext->frame_size) {
         this->m_frameReady.wakeAll();
     }
@@ -280,7 +280,7 @@ int AudioStream::encodeData(AVFrame *fra
     auto codecContext = this->codecContext();
 
     if (!frame
-        && codecContext->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
+        && codecContext->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
         return AVERROR_EOF;
 
     if (frame) {
@@ -366,7 +366,7 @@ AVFrame *AudioStream::dequeueFrame()
     this->m_frameMutex.lock();
 
     if (!this->m_frame
-        || (!(codecContext->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
+        || (!(codecContext->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
             && this->m_frame->nb_samples < codecContext->frame_size)) {
         if (!this->m_frameReady.wait(&this->m_frameMutex, THREAD_WAIT_LIMIT)) {
             this->m_frameMutex.unlock();
@@ -377,7 +377,7 @@ AVFrame *AudioStream::dequeueFrame()
 
     AVFrame *oFrame = nullptr;
 
-    if (codecContext->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE
+    if (codecContext->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE
         || this->m_frame->nb_samples == codecContext->frame_size) {
         oFrame = this->m_frame;
         this->m_frame = nullptr;
Index: webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/videostream.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSink/src/ffmpeg/src/videostream.cpp
+++ webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/videostream.cpp
@@ -273,8 +273,10 @@ int VideoStream::encodeData(AVFrame *fra
 {
     auto formatContext = this->formatContext();
 
+#ifdef AVFMT_RAWPICTURE
     if (!frame && formatContext->oformat->flags & AVFMT_RAWPICTURE)
         return AVERROR_EOF;
+#endif
 
     auto codecContext = this->codecContext();
 
@@ -300,6 +302,7 @@ int VideoStream::encodeData(AVFrame *fra
 
     auto stream = this->stream();
 
+#ifdef AVFMT_RAWPICTURE
     if (formatContext->oformat->flags & AVFMT_RAWPICTURE) {
         // Raw video case - directly store the picture in the packet
         AVPacket pkt;
@@ -315,6 +318,7 @@ int VideoStream::encodeData(AVFrame *fra
 
         return 0;
     }
+#endif
 
     // encode the image
 #ifdef HAVE_SENDRECV
Index: webcamoid/libAvKys/Plugins/MultiSrc/src/ffmpeg/src/abstractstream.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSrc/src/ffmpeg/src/abstractstream.cpp
+++ webcamoid/libAvKys/Plugins/MultiSrc/src/ffmpeg/src/abstractstream.cpp
@@ -96,8 +96,10 @@ AbstractStream::AbstractStream(const AVF
         this->m_codecContext->idct_algo = FF_IDCT_AUTO;
         this->m_codecContext->error_concealment = FF_EC_GUESS_MVS | FF_EC_DEBLOCK;
 
+#ifdef CODEC_FLAG_EMU_EDGE
         if (this->m_codec->capabilities & CODEC_CAP_DR1)
             this->m_codecContext->flags |= CODEC_FLAG_EMU_EDGE;
+#endif
 
         av_dict_set(&this->m_codecOptions, "refcounted_frames", "0", 0);
     }
Index: webcamoid/libAvKys/Plugins/VideoCapture/src/ffmpeg/src/convertvideoffmpeg.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/VideoCapture/src/ffmpeg/src/convertvideoffmpeg.cpp
+++ webcamoid/libAvKys/Plugins/VideoCapture/src/ffmpeg/src/convertvideoffmpeg.cpp
@@ -19,6 +19,10 @@
 
 #include <QMetaEnum>
 
+#ifndef AV_CODEC_FLAG_TRUNCATED
+#define AV_CODEC_FLAG_TRUNCATED CODEC_FLAG_TRUNCATED
+#endif
+
 #include "convertvideoffmpeg.h"
 
 #define THREAD_WAIT_LIMIT 500
@@ -219,11 +223,13 @@ bool ConvertVideoFFmpeg::init(const AkCa
     if (!this->m_codecContext)
         return false;
 
-    if (codec->capabilities & CODEC_CAP_TRUNCATED)
-        this->m_codecContext->flags |= CODEC_FLAG_TRUNCATED;
+    if (codec->capabilities & AV_CODEC_CAP_TRUNCATED)
+        this->m_codecContext->flags |= AV_CODEC_FLAG_TRUNCATED;
 
+#ifdef CODEC_FLAG_EMU_EDGE
     if (codec->capabilities & CODEC_CAP_DR1)
         this->m_codecContext->flags |= CODEC_FLAG_EMU_EDGE;
+#endif
 
     this->m_codecContext->pix_fmt = rawToFF->value(fourcc, AV_PIX_FMT_NONE);
     this->m_codecContext->width = caps.property("width").toInt();
Index: webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/mediawriterffmpeg.cpp
===================================================================
--- webcamoid.orig/libAvKys/Plugins/MultiSink/src/ffmpeg/src/mediawriterffmpeg.cpp
+++ webcamoid/libAvKys/Plugins/MultiSink/src/ffmpeg/src/mediawriterffmpeg.cpp
@@ -251,7 +251,7 @@ class MediaWriterFFmpegGlobal
                 AVCodec *codec = nullptr;
 
                 while ((codec = av_codec_next(codec))) {
-                    if (codec->capabilities & CODEC_CAP_EXPERIMENTAL
+                    if (codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL
                         && CODEC_COMPLIANCE > FF_COMPLIANCE_EXPERIMENTAL)
                         continue;