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path: root/Library/Formula/phash.rb
blob: 9715dd7c5893f2fa332f87fa957b11954231e14f (plain)
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require 'formula'

class Phash < Formula
  url 'http://www.phash.org/releases/pHash-0.9.4.tar.gz'
  homepage 'http://www.phash.org/'
  sha1 '9710b8a1d4d24e7fc3ac43c33eac8e89d9e727d7'

  depends_on 'cimg' unless  ARGV.include? "--disable-image-hash" and ARGV.include? "--disable-video-hash"
  depends_on 'ffmpeg' unless ARGV.include? "--disable-video-hash"

  unless ARGV.include? "--disable-audio-hash"
    depends_on 'libsndfile'
    depends_on 'libsamplerate'
    depends_on 'mpg123'
  end

  def options
    [
     ["--disable-image-hash", "Disable image hash"],
     ["--disable-video-hash", "Disable video hash"],
     ["--disable-audio-hash", "Disable audio hash"]
    ]
  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}",
            "--enable-shared"]

    # disable specific hashes if specified as an option
    args << "--disable-image-hash" if ARGV.include? "--disable-image-hash"
    args << "--disable-video-hash" if ARGV.include? "--disable-video-hash"
    args << "--disable-audio-hash" if ARGV.include? "--disable-audio-hash"

    system "./configure", *args
    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;