phash: Fix compilation with ffmpeg <= 0.7

Patched formula to compile phash against ffmpeg <= 0.7.
Credits go to Andreas Moog who first submitted the patch to
https://launchpad.net/ubuntu/+source/libphash/0.9.4-1.2

Fixes #7221.
Closes #9343.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/Library/Formula/phash.rb b/Library/Formula/phash.rb
index 226e3d442..9715dd7c5 100644
--- a/Library/Formula/phash.rb
+++ b/Library/Formula/phash.rb
@@ -22,6 +22,12 @@ class Phash < Formula
     ]
   end
 
+  # fix compilation on ffmpeg <= 0.7
+  # source: https://launchpad.net/ubuntu/+source/libphash/0.9.4-1.2
+  def patches
+    DATA
+  end
+
   def install
     args = ["--disable-debug", "--disable-dependency-tracking",
             "--prefix=#{prefix}",
@@ -36,3 +42,90 @@ class Phash < Formula
     system "make install"
   end
 end
+
+__END__
+--- a/src/cimgffmpeg.cpp
++++ b/src/cimgffmpeg.cpp
+@@ -67,7 +67,7 @@
+	    // Find the video stream
+	    for(i=0; i<st_info->pFormatCtx->nb_streams; i++)
+	    {
+-		if(st_info->pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
++		if(st_info->pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
+	        {
+		    st_info->videoStream=i;
+		    break;
+@@ -123,6 +123,10 @@
+	int size = 0;
+
+	AVPacket packet;
++
++	AVPacket avpacket;
++	av_init_packet(&avpacket);
++
+	int result = 1;
+	CImg<uint8_t> next_image;
+	SwsContext *c = sws_getContext(st_info->pCodecCtx->width, st_info->pCodecCtx->height, st_info->pCodecCtx->pix_fmt, st_info->width, st_info->height, ffmpeg_pixfmt , SWS_BICUBIC, NULL, NULL, NULL);
+@@ -131,7 +135,10 @@
+           if (result < 0)
+	      break;
+	  if(packet.stream_index==st_info->videoStream) {
+-	      avcodec_decode_video(st_info->pCodecCtx, pFrame, &frameFinished,packet.data, packet.size);
++	      avpacket.data = packet.data;
++	      avpacket.size = packet.size;
++	      avpacket.flags = AV_PKT_FLAG_KEY;
++	      avcodec_decode_video2(st_info->pCodecCtx, pFrame, &frameFinished, &avpacket);
+	      if(frameFinished) {
+		  if (st_info->current_index == st_info->next_index){
+		      st_info->next_index += st_info->step;
+@@ -213,7 +220,7 @@
+		// Find the video stream
+		for(i=0; i< st_info->pFormatCtx->nb_streams; i++)
+		{
+-			if(st_info->pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
++			if(st_info->pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
+			{
+				st_info->videoStream=i;
+				break;
+@@ -268,6 +275,10 @@
+	int frameFinished;
+	int size = 0;
+	AVPacket packet;
++
++	AVPacket avpacket;
++	av_init_packet(&avpacket);
++
+	int result = 1;
+	CImg<uint8_t> next_image;
+	SwsContext *c = sws_getContext(st_info->pCodecCtx->width, st_info->pCodecCtx->height, st_info->pCodecCtx->pix_fmt, st_info->width, st_info->height, ffmpeg_pixfmt , SWS_BICUBIC, NULL, NULL, NULL);
+@@ -279,8 +290,10 @@
+			break;
+		if(packet.stream_index == st_info->videoStream) {
+
+-		    avcodec_decode_video(st_info->pCodecCtx, pFrame, &frameFinished,
+-		                         packet.data,packet.size);
++		    avpacket.data = packet.data;
++		    avpacket.size = packet.size;
++		    avpacket.flags = AV_PKT_FLAG_KEY;
++		    avcodec_decode_video2(st_info->pCodecCtx, pFrame, &frameFinished, &avpacket);
+
+		    if(frameFinished) {
+			if (st_info->current_index == st_info->next_index)
+@@ -365,7 +378,7 @@
+	int videoStream=-1;
+	for(unsigned int i=0; i<pFormatCtx->nb_streams; i++)
+	{
+-	     if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
++	     if(pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
+	     {
+		    videoStream=i;
+		    break;
+@@ -407,7 +420,7 @@
+	int videoStream=-1;
+	for(unsigned int i=0; i<pFormatCtx->nb_streams; i++)
+	{
+-		     if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
++		     if(pFormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
+		     {
+			    videoStream=i;
+			    break;