mpegvideo: move encoding-only initialization from common_init() to encode_init()

libavcodec/mpegvideo.c

@@ -1037,37 +1037,6 @@ av_cold int ff_MPV_common_init(MpegEncContext *s)
 
     s->stream_codec_tag   = avpriv_toupper4(s->avctx->stream_codec_tag);
 
-    if (s->width && s->height) {
-        s->avctx->coded_frame = &s->current_picture.f;
-
-        if (s->encoding) {
-            if (s->msmpeg4_version) {
-                FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
-                                  2 * 2 * (MAX_LEVEL + 1) *
-                                  (MAX_RUN + 1) * 2 * sizeof(int), fail);
-            }
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
-
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,
-                              64 * 32   * sizeof(int), fail);
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,
-                              64 * 32   * sizeof(int), fail);
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16,
-                              64 * 32 * 2 * sizeof(uint16_t), fail);
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16,
-                              64 * 32 * 2 * sizeof(uint16_t), fail);
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
-                              MAX_PICTURE_COUNT * sizeof(Picture *), fail);
-            FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
-                              MAX_PICTURE_COUNT * sizeof(Picture *), fail);
-
-            if (s->avctx->noise_reduction) {
-                FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
-                                  2 * 64 * sizeof(uint16_t), fail);
-            }
-        }
-    }
-
     FF_ALLOCZ_OR_GOTO(s->avctx, s->picture,
                       MAX_PICTURE_COUNT * sizeof(Picture), fail);
     for (i = 0; i < MAX_PICTURE_COUNT; i++) {

libavcodec/mpegvideo_enc.c

@@ -716,6 +716,29 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
     if (ARCH_X86)
         ff_MPV_encode_init_x86(s);
 
+    s->avctx->coded_frame = &s->current_picture.f;
+
+    if (s->msmpeg4_version) {
+        FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
+                          2 * 2 * (MAX_LEVEL + 1) *
+                          (MAX_RUN + 1) * 2 * sizeof(int), fail);
+    }
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
+
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,   64 * 32 * sizeof(int), fail);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,   64 * 32 * sizeof(int), fail);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
+                      MAX_PICTURE_COUNT * sizeof(Picture *), fail);
+    FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
+                      MAX_PICTURE_COUNT * sizeof(Picture *), fail);
+
+    if (s->avctx->noise_reduction) {
+        FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
+                          2 * 64 * sizeof(uint16_t), fail);
+    }
+
     ff_h263dsp_init(&s->h263dsp);
     if (!s->dct_quantize)
         s->dct_quantize = ff_dct_quantize_c;
@@ -802,6 +825,9 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
     }
 
     return 0;
+fail:
+    ff_MPV_encode_end(avctx);
+    return AVERROR_UNKNOWN;
 }
 
 av_cold int ff_MPV_encode_end(AVCodecContext *avctx)