- Upstream patch for FFMPEG issue 803

- Bump PORTREVISION

PR:		ports/137907
Approved by:	netchild (maintainer)

2 files changed, 73 insertions, 1 deletions

diff --git a/audio/lame/Makefile b/audio/lame/Makefile
index 96ce92f653cf..c0ed8cf95570 100644
--- a/audio/lame/Makefile
+++ b/audio/lame/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	lame
 PORTVERSION=	3.98.2
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	audio
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE} \
 		ftp://ftp.fu-berlin.de/unix/sound/%SUBDIR%/
diff --git a/audio/lame/files/patch-libmp3lame-lame.c b/audio/lame/files/patch-libmp3lame-lame.c
new file mode 100644
index 000000000000..ceedbc6378c1
--- /dev/null
+++ b/audio/lame/files/patch-libmp3lame-lame.c
@@ -0,0 +1,72 @@
+--- libmp3lame/lame.c.orig	2008-08-05 19:26:02.000000000 +0200
++++ libmp3lame/lame.c	2009-08-17 21:25:17.749630168 +0200
+@@ -1602,6 +1602,13 @@
+         /* update mfbuf[] counters */
+         gfc->mf_size += n_out;
+         assert(gfc->mf_size <= MFSIZE);
++
++        /* lame_encode_flush may have set gfc->mf_sample_to_encode to 0
++         * so we have to reinitialize it here when that happened.
++         */
++        if (gfc->mf_samples_to_encode < 1) {
++            gfc->mf_samples_to_encode = ENCDELAY + POSTDELAY;
++        }
+         gfc->mf_samples_to_encode += n_out;
+ 
+ 
+@@ -1931,6 +1938,10 @@
+     int     frames_left;
+     int     samples_to_encode = gfc->mf_samples_to_encode;
+ 
++    /* Was flush already called? */
++    if (gfc->mf_samples_to_encode < 1) {
++        return 0;
++    }
+     memset(buffer, 0, sizeof(buffer));
+     mp3count = 0;
+     
+@@ -1942,7 +1953,9 @@
+     end_padding += pad_out_samples;
+ 
+     frames_left = (samples_to_encode + pad_out_samples) / gfp->framesize;
+-    while (frames_left > 0) {
++
++    /* send in a frame of 0 padding until all internal sample buffers are flushed */
++    while (frames_left > 0 && imp3 >= 0) {
+         int frame_num = gfp->frameNum;
+ 
+         mp3buffer_size_remaining = mp3buffer_size - mp3count;
+@@ -1951,22 +1964,22 @@
+         if (mp3buffer_size == 0)
+             mp3buffer_size_remaining = 0;
+ 
+-        /* send in a frame of 0 padding until all internal sample buffers
+-         * are flushed
+-         */
+         imp3 = lame_encode_buffer(gfp, buffer[0], buffer[1], 32,
+                                   mp3buffer, mp3buffer_size_remaining);
+-        
+-        if (frame_num != gfp->frameNum) {
+-            --frames_left;
+-        }
+-        if (imp3 < 0) {
+-            /* some type of fatal error */
+-            return imp3;
+-        }
+         mp3buffer += imp3;
+         mp3count += imp3;
++	frames_left -= (frame_num != gfp->frameNum) ? 1 : 0;
+     }
++    /* Set gfc->mf_samples_to_encode to 0, so we may detect
++     * and break loops calling it more than once in a row.
++     */
++    gfc->mf_samples_to_encode = 0;
++
++    if (imp3 < 0) {
++        /* some type of fatal error */
++        return imp3;
++    }
++
+     mp3buffer_size_remaining = mp3buffer_size - mp3count;
+     /* if user specifed buffer size = 0, dont check size */
+     if (mp3buffer_size == 0)