From 877a46c9b956939fcde875c4b872f5ff94a5dbb6 Mon Sep 17 00:00:00 2001
From: Misty De Meo <mistydemeo@gmail.com>
Date: Tue, 21 Jan 2014 21:01:29 -0800
Subject: [PATCH] gpac: fix build against current ffmpeg releases

---
 Formula/gpac.rb | 120 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/Formula/gpac.rb b/Formula/gpac.rb
index 8ee17f4fbb2..0b0e7cc7097 100644
--- a/Formula/gpac.rb
+++ b/Formula/gpac.rb
@@ -29,6 +29,11 @@ class Gpac < Formula
   depends_on 'ffmpeg' => :optional
   depends_on 'openjpeg' => :optional
 
+  # Fixes build against ffmpeg 2.x; backported from upstream SVN
+  def patches
+    DATA
+  end
+
   def install
     ENV.deparallelize
 
@@ -49,3 +54,118 @@ class Gpac < Formula
     system "make install"
   end
 end
+
+__END__
+diff --git a/modules/ffmpeg_in/ffmpeg_decode.c b/modules/ffmpeg_in/ffmpeg_decode.c
+index db7d65e..387966b 100644
+--- a/modules/ffmpeg_in/ffmpeg_decode.c
++++ b/modules/ffmpeg_in/ffmpeg_decode.c
+@@ -37,7 +37,11 @@
+ #undef USE_AVCODEC2
+ #endif
+ 
+-
++#if (LIBAVCODEC_VERSION_MAJOR >= 55)
++#define USE_AVCTX3
++#elif (LIBAVCODEC_VERSION_MAJOR >= 54) && (LIBAVCODEC_VERSION_MINOR >= 35)
++#define USE_AVCTX3
++#endif
+ 
+ /**
+  * Allocates data for FFMPEG decoding
+@@ -169,8 +173,12 @@ static GF_Err FFDEC_AttachStream(GF_BaseDecoder *plug, GF_ESD *esd)
+ 		frame = &ffd->base_frame;
+ 	}
+ 	if (!(*ctx)){
+-	  *ctx = avcodec_alloc_context();
+-	}
++#ifdef USE_AVCTX3
++	  *ctx = avcodec_alloc_context3(NULL);
++#else
++ 	  *ctx = avcodec_alloc_context();
++#endif
++        }
+ 
+ 	/*private FFMPEG DSI*/
+ 	if (ffd->oti == GPAC_OTI_MEDIA_FFMPEG) {
+@@ -317,7 +325,12 @@ static GF_Err FFDEC_AttachStream(GF_BaseDecoder *plug, GF_ESD *esd)
+ 		(*ctx)->pix_fmt = ffd->raw_pix_fmt;
+ 		if ((*ctx)->extradata && strstr((*ctx)->extradata, "BottomUp")) ffd->flipped = 1;
+ 	} else {
+-		if (avcodec_open((*ctx), (*codec) )<0) return GF_NON_COMPLIANT_BITSTREAM;
++#ifdef USE_AVCTX3
++		if (! (*codec) || (avcodec_open2(ctx, *codec, NULL)<0)) return GF_NON_COMPLIANT_BITSTREAM;
++#else
++ 		if (! (*codec) || (avcodec_open(ctx, *codec)<0)) return GF_NON_COMPLIANT_BITSTREAM;
++#endif
++
+ 	}
+ 
+ 	/*setup audio streams*/
+@@ -611,10 +624,11 @@ static GF_Err FFDEC_ProcessData(GF_MediaDecoder *plug,
+ 		if (ffd->frame_start>inBufferLength) ffd->frame_start = 0;
+ 
+ redecode:
+-		gotpic = AVCODEC_MAX_AUDIO_FRAME_SIZE;
+ #ifdef USE_AVCODEC2
++		gotpic = 0;
+ 		len = avcodec_decode_audio3(ctx, (short *)ffd->audio_buf, &gotpic, &pkt);
+ #else
++		gotpic = AVCODEC_MAX_AUDIO_FRAME_SIZE;
+ 		len = avcodec_decode_audio2(ctx, (short *)ffd->audio_buf, &gotpic, inBuffer + ffd->frame_start, inBufferLength - ffd->frame_start);
+ #endif
+ 		if (len<0) { ffd->frame_start = 0; return GF_NON_COMPLIANT_BITSTREAM; }
+@@ -749,7 +763,12 @@ redecode:
+ 			here this means the DSI was broken, so no big deal*/
+ 			avcodec_close(ctx);
+ 			*codec = avcodec_find_decoder(CODEC_ID_H263);
++#ifdef USE_AVCTX3
++			if (! (*codec) || (avcodec_open2(ctx, *codec, NULL)<0)) return GF_NON_COMPLIANT_BITSTREAM;
++#else
+ 			if (! (*codec) || (avcodec_open(ctx, *codec)<0)) return GF_NON_COMPLIANT_BITSTREAM;
++#endif
++
+ #if USE_AVCODEC2
+ 			if (avcodec_decode_video2(ctx, frame, &gotpic, &pkt) < 0) {
+ #else
+@@ -759,7 +778,11 @@ redecode:
+ 				avcodec_close(ctx);
+ 				*codec = avcodec_find_decoder(old_codec);
+ 				assert(*codec);
++#ifdef USE_AVCTX3
++				avcodec_open2(ctx, *codec, NULL);
++#else
+ 				avcodec_open(ctx, *codec);
++#endif
+ 				return GF_NON_COMPLIANT_BITSTREAM;
+ 			}
+ 		}
+diff --git a/modules/ffmpeg_in/ffmpeg_demux.c b/modules/ffmpeg_in/ffmpeg_demux.c
+index 0f8ee50..8bb7948 100644
+--- a/modules/ffmpeg_in/ffmpeg_demux.c
++++ b/modules/ffmpeg_in/ffmpeg_demux.c
+@@ -52,6 +52,11 @@
+ #define AVERROR_NOFMT AVERROR(EINVAL)
+ #endif /* AVERROR_NOFMT */
+ 
++#if (LIBAVFORMAT_VERSION_MAJOR >= 54) && (LIBAVFORMAT_VERSION_MINOR >= 20)
++#define av_find_stream_info(__c)        avformat_find_stream_info(__c, NULL)
++#define FF_API_FORMAT_PARAMETERS        1
++#endif
++
+ static u32 FFDemux_Run(void *par)
+ {
+ 	AVPacket pkt;
+diff --git a/modules/ffmpeg_in/ffmpeg_in.h b/modules/ffmpeg_in/ffmpeg_in.h
+index 4b2bdf5..2cf8304 100644
+--- a/modules/ffmpeg_in/ffmpeg_in.h
++++ b/modules/ffmpeg_in/ffmpeg_in.h
+@@ -117,7 +117,7 @@ typedef struct
+ 
+ 	/*for audio packed frames*/
+ 	u32 frame_start;
+-	char audio_buf[AVCODEC_MAX_AUDIO_FRAME_SIZE];
++	char audio_buf[19200];
+ 	Bool check_h264_isma;
+ 
+ 	u32 base_ES_ID;