From 6d924b5a5f39e33a02c4b39cc5892911bb508d4e Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Wed, 14 Oct 2009 05:28:24 +0000
Subject: [PATCH] Release frame after decoding is done

Originally committed as revision 20231 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/indeo2.c      | 13 ++++++++++++-
 libavcodec/loco.c        | 13 ++++++++++++-
 libavcodec/qdrw.c        | 13 ++++++++++++-
 libavcodec/truemotion2.c |  6 ++++++
 libavcodec/ulti.c        | 13 ++++++++++++-
 libavcodec/wnv1.c        | 13 ++++++++++++-
 libavcodec/xl.c          | 13 ++++++++++++-
 7 files changed, 78 insertions(+), 6 deletions(-)

diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c
index 53624a1078..87d1c909ea 100644
--- a/libavcodec/indeo2.c
+++ b/libavcodec/indeo2.c
@@ -213,6 +213,17 @@ static av_cold int ir2_decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int ir2_decode_end(AVCodecContext *avctx){
+    Ir2Context * const ic = avctx->priv_data;
+    AVFrame *pic = &ic->picture;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&ic->picture);
+
+    return 0;
+}
+
 AVCodec indeo2_decoder = {
     "indeo2",
     CODEC_TYPE_VIDEO,
@@ -220,7 +231,7 @@ AVCodec indeo2_decoder = {
     sizeof(Ir2Context),
     ir2_decode_init,
     NULL,
-    NULL,
+    ir2_decode_end,
     ir2_decode_frame,
     CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo 2"),
diff --git a/libavcodec/loco.c b/libavcodec/loco.c
index 4fd64f4bda..9a01810c44 100644
--- a/libavcodec/loco.c
+++ b/libavcodec/loco.c
@@ -275,6 +275,17 @@ static av_cold int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int decode_end(AVCodecContext *avctx){
+    LOCOContext * const l = avctx->priv_data;
+    AVFrame *pic = &l->pic;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&l->pic);
+
+    return 0;
+}
+
 AVCodec loco_decoder = {
     "loco",
     CODEC_TYPE_VIDEO,
@@ -282,7 +293,7 @@ AVCodec loco_decoder = {
     sizeof(LOCOContext),
     decode_init,
     NULL,
-    NULL,
+    decode_end,
     decode_frame,
     CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("LOCO"),
diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c
index cd53bfb338..ae8a71a8a1 100644
--- a/libavcodec/qdrw.c
+++ b/libavcodec/qdrw.c
@@ -140,6 +140,17 @@ static av_cold int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int decode_end(AVCodecContext *avctx){
+    QdrawContext * const a = avctx->priv_data;
+    AVFrame *pic = &a->pic;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&a->pic);
+
+    return 0;
+}
+
 AVCodec qdraw_decoder = {
     "qdraw",
     CODEC_TYPE_VIDEO,
@@ -147,7 +158,7 @@ AVCodec qdraw_decoder = {
     sizeof(QdrawContext),
     decode_init,
     NULL,
-    NULL,
+    decode_end,
     decode_frame,
     CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("Apple QuickDraw"),
diff --git a/libavcodec/truemotion2.c b/libavcodec/truemotion2.c
index 09c500146d..d73c88bd44 100644
--- a/libavcodec/truemotion2.c
+++ b/libavcodec/truemotion2.c
@@ -845,6 +845,7 @@ static av_cold int decode_init(AVCodecContext *avctx){
 
 static av_cold int decode_end(AVCodecContext *avctx){
     TM2Context * const l = avctx->priv_data;
+    AVFrame *pic = &l->pic;
     int i;
 
     if(l->last)
@@ -862,6 +863,11 @@ static av_cold int decode_end(AVCodecContext *avctx){
         av_free(l->U2);
         av_free(l->V2);
     }
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&l->pic);
+
     return 0;
 }
 
diff --git a/libavcodec/ulti.c b/libavcodec/ulti.c
index f58874a607..a5aec1a3a9 100644
--- a/libavcodec/ulti.c
+++ b/libavcodec/ulti.c
@@ -55,6 +55,17 @@ static av_cold int ulti_decode_init(AVCodecContext *avctx)
     return 0;
 }
 
+static av_cold int ulti_decode_end(AVCodecContext *avctx){
+    UltimotionDecodeContext *s = avctx->priv_data;
+    AVFrame *pic = &s->frame;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&s->frame);
+
+    return 0;
+}
+
 static const int block_coords[8] = // 4x4 block coords in 8x8 superblock
     { 0, 0, 0, 4, 4, 4, 4, 0};
 
@@ -401,7 +412,7 @@ AVCodec ulti_decoder = {
     sizeof(UltimotionDecodeContext),
     ulti_decode_init,
     NULL,
-    NULL,
+    ulti_decode_end,
     ulti_decode_frame,
     CODEC_CAP_DR1,
     NULL,
diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c
index aec474f2de..9f13fd5b76 100644
--- a/libavcodec/wnv1.c
+++ b/libavcodec/wnv1.c
@@ -143,6 +143,17 @@ static av_cold int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int decode_end(AVCodecContext *avctx){
+    WNV1Context * const l = avctx->priv_data;
+    AVFrame *pic = &l->pic;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&l->pic);
+
+    return 0;
+}
+
 AVCodec wnv1_decoder = {
     "wnv1",
     CODEC_TYPE_VIDEO,
@@ -150,7 +161,7 @@ AVCodec wnv1_decoder = {
     sizeof(WNV1Context),
     decode_init,
     NULL,
-    NULL,
+    decode_end,
     decode_frame,
     CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("Winnov WNV1"),
diff --git a/libavcodec/xl.c b/libavcodec/xl.c
index fb4241f255..277e92a678 100644
--- a/libavcodec/xl.c
+++ b/libavcodec/xl.c
@@ -128,6 +128,17 @@ static av_cold int decode_init(AVCodecContext *avctx){
     return 0;
 }
 
+static av_cold int decode_end(AVCodecContext *avctx){
+    VideoXLContext * const a = avctx->priv_data;
+    AVFrame *pic = &a->pic;
+
+    if (pic->data[0])
+        avctx->release_buffer(avctx, pic);
+    av_freep(&a->pic);
+
+    return 0;
+}
+
 AVCodec xl_decoder = {
     "xl",
     CODEC_TYPE_VIDEO,
@@ -135,7 +146,7 @@ AVCodec xl_decoder = {
     sizeof(VideoXLContext),
     decode_init,
     NULL,
-    NULL,
+    decode_end,
     decode_frame,
     CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("Miro VideoXL"),