[FFmpeg-devel] [PATCH 096/134] avcodec/huffyuvdec: Cleanup generically on init failure

[Andreas Rheinhardt]

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
 libavcodec/huffyuvdec.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index e713b91e4d..16547b2b7f 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -36,6 +36,7 @@
 #include "get_bits.h"
 #include "huffyuv.h"
 #include "huffyuvdsp.h"
+#include "internal.h"
 #include "lossless_videodsp.h"
 #include "thread.h"
 #include "libavutil/imgutils.h"
@@ -348,7 +349,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
         if ((ret = read_huffman_tables(s, avctx->extradata + 4,
                                        avctx->extradata_size - 4)) < 0)
-            goto error;
+            return ret;
     } else {
         switch (avctx->bits_per_coded_sample & 7) {
         case 1:
@@ -376,7 +377,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         s->context       = 0;
 
         if ((ret = read_old_huffman_tables(s)) < 0)
-            goto error;
+            return ret;
     }
 
     if (s->version <= 2) {
@@ -404,8 +405,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
             s->alpha = 1;
             break;
         default:
-            ret = AVERROR_INVALIDDATA;
-            goto error;
+            return AVERROR_INVALIDDATA;
         }
         av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
                                          &s->chroma_h_shift,
@@ -539,8 +539,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
             avctx->pix_fmt = AV_PIX_FMT_YUVA420P16;
             break;
         default:
-            ret = AVERROR_INVALIDDATA;
-            goto error;
+            return AVERROR_INVALIDDATA;
         }
     }
 
@@ -548,26 +547,19 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P || avctx->pix_fmt == AV_PIX_FMT_YUV420P) && avctx->width & 1) {
         av_log(avctx, AV_LOG_ERROR, "width must be even for this colorspace\n");
-        ret = AVERROR_INVALIDDATA;
-        goto error;
+        return AVERROR_INVALIDDATA;
     }
     if (s->predictor == MEDIAN && avctx->pix_fmt == AV_PIX_FMT_YUV422P &&
         avctx->width % 4) {
         av_log(avctx, AV_LOG_ERROR, "width must be a multiple of 4 "
                "for this combination of colorspace and predictor type.\n");
-        ret = AVERROR_INVALIDDATA;
-        goto error;
+        return AVERROR_INVALIDDATA;
     }
 
-    if ((ret = ff_huffyuv_alloc_temp(s)) < 0) {
-        ff_huffyuv_common_end(s);
-        goto error;
-    }
+    if ((ret = ff_huffyuv_alloc_temp(s)) < 0)
+        return ret;
 
     return 0;
-  error:
-    decode_end(avctx);
-    return ret;
 }
 
 /** Subset of GET_VLC for use in hand-roller VLC code */
@@ -1281,6 +1273,7 @@ AVCodec ff_huffyuv_decoder = {
     .decode           = decode_frame,
     .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                         AV_CODEC_CAP_FRAME_THREADS,
+    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
 };
 
 #if CONFIG_FFVHUFF_DECODER
@@ -1295,6 +1288,7 @@ AVCodec ff_ffvhuff_decoder = {
     .decode           = decode_frame,
     .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                         AV_CODEC_CAP_FRAME_THREADS,
+    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
 };
 #endif /* CONFIG_FFVHUFF_DECODER */
 
@@ -1310,5 +1304,6 @@ AVCodec ff_hymt_decoder = {
     .decode           = decode_frame,
     .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                         AV_CODEC_CAP_FRAME_THREADS,
+    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
 };
 #endif /* CONFIG_HYMT_DECODER */
-- 
2.25.1