From 759001c534287a96dc96d1e274665feb7059145d Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 21 Nov 2012 21:34:46 +0100
Subject: lavc decoders: work with refcounted frames.

---
 libavcodec/lagarith.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

(limited to 'libavcodec/lagarith.c')

diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 33dd8b0c53..9d84d263c9 100644
--- a/libavcodec/lagarith.c
+++ b/libavcodec/lagarith.c
@@ -48,7 +48,6 @@ enum LagarithFrameType {
 
 typedef struct LagarithContext {
     AVCodecContext *avctx;
-    AVFrame picture;
     DSPContext dsp;
     int zeros;                  /**< number of consecutive zero bytes encountered */
     int zeros_rem;              /**< number of zero bytes remaining to output */
@@ -502,19 +501,14 @@ static int lag_decode_frame(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     LagarithContext *l = avctx->priv_data;
-    AVFrame *const p = &l->picture;
+    ThreadFrame frame = { .f = data };
+    AVFrame *const p  = data;
     uint8_t frametype = 0;
     uint32_t offset_gu = 0, offset_bv = 0, offset_ry = 9;
     uint32_t offs[4];
     uint8_t *srcs[4], *dst;
     int i, j, planes = 3;
 
-    AVFrame *picture = data;
-
-    if (p->data[0])
-        ff_thread_release_buffer(avctx, p);
-
-    p->reference = 0;
     p->key_frame = 1;
 
     frametype = buf[0];
@@ -526,7 +520,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
     case FRAME_SOLID_RGBA:
         avctx->pix_fmt = AV_PIX_FMT_RGB32;
 
-        if (ff_thread_get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, &frame, 0) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -548,7 +542,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
         if (frametype == FRAME_ARITH_RGB24 || frametype == FRAME_U_RGB24)
             avctx->pix_fmt = AV_PIX_FMT_RGB24;
 
-        if (ff_thread_get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, &frame, 0) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -608,7 +602,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
     case FRAME_ARITH_YUY2:
         avctx->pix_fmt = AV_PIX_FMT_YUV422P;
 
-        if (ff_thread_get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, &frame, 0) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -634,7 +628,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
     case FRAME_ARITH_YV12:
         avctx->pix_fmt = AV_PIX_FMT_YUV420P;
 
-        if (ff_thread_get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, &frame, 0) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -663,7 +657,6 @@ static int lag_decode_frame(AVCodecContext *avctx,
         return -1;
     }
 
-    *picture = *p;
     *got_frame = 1;
 
     return buf_size;
@@ -683,8 +676,6 @@ static av_cold int lag_decode_end(AVCodecContext *avctx)
 {
     LagarithContext *l = avctx->priv_data;
 
-    if (l->picture.data[0])
-        ff_thread_release_buffer(avctx, &l->picture);
     av_freep(&l->rgb_planes);
 
     return 0;
-- 
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