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avcodec/mv30: fix warning: suggest braces around initialization of subobject [-Wmissi...
[ffmpeg] / libavcodec / vp3.c
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 2ae54255c684794259f731db6cfe569710dd96b5..6fe1ca46a3a3b46f89336b5d2afd0ca4ff782119 100644 (file)
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -347,9 +347,6 @@ static av_cold int vp3_decode_end(AVCodecContext *avctx)
     av_frame_free(&s->last_frame.f);
     av_frame_free(&s->golden_frame.f);
 
-    if (avctx->internal->is_copy)
-        return 0;
-
     for (i = 0; i < 16; i++) {
         ff_free_vlc(&s->dc_vlc[i]);
         ff_free_vlc(&s->ac_vlc_1[i]);
@@ -2330,8 +2327,6 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
     if (ret < 0)
         return ret;
 
-    avctx->internal->allocate_progress = 1;
-
     if (avctx->codec_tag == MKTAG('V', 'P', '4', '0'))
         s->version = 3;
     else if (avctx->codec_tag == MKTAG('V', 'P', '3', '0'))
@@ -2422,32 +2417,32 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
 
         /* init VLC tables */
         if (s->version < 2) {
-        for (i = 0; i < 16; i++) {
-            /* DC histograms */
-            init_vlc(&s->dc_vlc[i], 11, 32,
-                     &dc_bias[i][0][1], 4, 2,
-                     &dc_bias[i][0][0], 4, 2, 0);
+            for (i = 0; i < 16; i++) {
+                /* DC histograms */
+                init_vlc(&s->dc_vlc[i], 11, 32,
+                         &dc_bias[i][0][1], 4, 2,
+                         &dc_bias[i][0][0], 4, 2, 0);
 
-            /* group 1 AC histograms */
-            init_vlc(&s->ac_vlc_1[i], 11, 32,
-                     &ac_bias_0[i][0][1], 4, 2,
-                     &ac_bias_0[i][0][0], 4, 2, 0);
+                /* group 1 AC histograms */
+                init_vlc(&s->ac_vlc_1[i], 11, 32,
+                         &ac_bias_0[i][0][1], 4, 2,
+                         &ac_bias_0[i][0][0], 4, 2, 0);
 
-            /* group 2 AC histograms */
-            init_vlc(&s->ac_vlc_2[i], 11, 32,
-                     &ac_bias_1[i][0][1], 4, 2,
-                     &ac_bias_1[i][0][0], 4, 2, 0);
+                /* group 2 AC histograms */
+                init_vlc(&s->ac_vlc_2[i], 11, 32,
+                         &ac_bias_1[i][0][1], 4, 2,
+                         &ac_bias_1[i][0][0], 4, 2, 0);
 
-            /* group 3 AC histograms */
-            init_vlc(&s->ac_vlc_3[i], 11, 32,
-                     &ac_bias_2[i][0][1], 4, 2,
-                     &ac_bias_2[i][0][0], 4, 2, 0);
+                /* group 3 AC histograms */
+                init_vlc(&s->ac_vlc_3[i], 11, 32,
+                         &ac_bias_2[i][0][1], 4, 2,
+                         &ac_bias_2[i][0][0], 4, 2, 0);
 
-            /* group 4 AC histograms */
-            init_vlc(&s->ac_vlc_4[i], 11, 32,
-                     &ac_bias_3[i][0][1], 4, 2,
-                     &ac_bias_3[i][0][0], 4, 2, 0);
-        }
+                /* group 4 AC histograms */
+                init_vlc(&s->ac_vlc_4[i], 11, 32,
+                         &ac_bias_3[i][0][1], 4, 2,
+                         &ac_bias_3[i][0][0], 4, 2, 0);
+            }
 #if CONFIG_VP4_DECODER
         } else { /* version >= 2 */
             for (i = 0; i < 16; i++) {
@@ -2603,23 +2598,6 @@ static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext *
     }
 
     if (s != s1) {
-        if (!s->current_frame.f)
-            return AVERROR(ENOMEM);
-        // init tables if the first frame hasn't been decoded
-        if (!s->current_frame.f->data[0]) {
-            int y_fragment_count, c_fragment_count;
-            s->avctx = dst;
-            err = allocate_tables(dst);
-            if (err)
-                return err;
-            y_fragment_count = s->fragment_width[0] * s->fragment_height[0];
-            c_fragment_count = s->fragment_width[1] * s->fragment_height[1];
-            memcpy(s->motion_val[0], s1->motion_val[0],
-                   y_fragment_count * sizeof(*s->motion_val[0]));
-            memcpy(s->motion_val[1], s1->motion_val[1],
-                   c_fragment_count * sizeof(*s->motion_val[1]));
-        }
-
         // copy previous frame data
         if ((err = ref_frames(s, s1)) < 0)
             return err;
@@ -2808,10 +2786,10 @@ static int vp3_decode_frame(AVCodecContext *avctx,
     ff_thread_finish_setup(avctx);
 
     if (s->version < 2) {
-    if ((ret = unpack_superblocks(s, &gb)) < 0) {
-        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
-        goto error;
-    }
+        if ((ret = unpack_superblocks(s, &gb)) < 0) {
+            av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
+            goto error;
+        }
 #if CONFIG_VP4_DECODER
     } else {
         if ((ret = vp4_unpack_macroblocks(s, &gb)) < 0) {
@@ -2834,10 +2812,10 @@ static int vp3_decode_frame(AVCodecContext *avctx,
     }
 
     if (s->version < 2) {
-    if ((ret = unpack_dct_coeffs(s, &gb)) < 0) {
-        av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
-        goto error;
-    }
+        if ((ret = unpack_dct_coeffs(s, &gb)) < 0) {
+            av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
+            goto error;
+        }
 #if CONFIG_VP4_DECODER
     } else {
         if ((ret = vp4_unpack_dct_coeffs(s, &gb)) < 0) {
@@ -2861,10 +2839,10 @@ static int vp3_decode_frame(AVCodecContext *avctx,
 
     // filter the last row
     if (s->version < 2)
-    for (i = 0; i < 3; i++) {
-        int row = (s->height >> (3 + (i && s->chroma_y_shift))) - 1;
-        apply_loop_filter(s, i, row, row + 1);
-    }
+        for (i = 0; i < 3; i++) {
+            int row = (s->height >> (3 + (i && s->chroma_y_shift))) - 1;
+            apply_loop_filter(s, i, row, row + 1);
+        }
     vp3_draw_horiz_band(s, s->height);
 
     /* output frame, offset as needed */
@@ -2929,28 +2907,6 @@ static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
     return 0;
 }
 
-#if HAVE_THREADS
-static int vp3_init_thread_copy(AVCodecContext *avctx)
-{
-    Vp3DecodeContext *s = avctx->priv_data;
-
-    s->superblock_coding      = NULL;
-    s->all_fragments          = NULL;
-    s->coded_fragment_list[0] = NULL;
-    s-> kf_coded_fragment_list= NULL;
-    s->nkf_coded_fragment_list= NULL;
-    s->dct_tokens_base        = NULL;
-    s->superblock_fragments   = NULL;
-    s->macroblock_coding      = NULL;
-    s->motion_val[0]          = NULL;
-    s->motion_val[1]          = NULL;
-    s->edge_emu_buffer        = NULL;
-    s->dc_pred_row            = NULL;
-
-    return init_frames(s);
-}
-#endif
-
 #if CONFIG_THEORA_DECODER
 static const enum AVPixelFormat theora_pix_fmts[4] = {
     AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P
@@ -3264,9 +3220,8 @@ AVCodec ff_theora_decoder = {
     .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                              AV_CODEC_CAP_FRAME_THREADS,
     .flush                 = vp3_decode_flush,
-    .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
-    .caps_internal         = FF_CODEC_CAP_EXPORTS_CROPPING,
+    .caps_internal         = FF_CODEC_CAP_EXPORTS_CROPPING | FF_CODEC_CAP_ALLOCATE_PROGRESS,
 };
 #endif
 
@@ -3282,8 +3237,8 @@ AVCodec ff_vp3_decoder = {
     .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                              AV_CODEC_CAP_FRAME_THREADS,
     .flush                 = vp3_decode_flush,
-    .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
+    .caps_internal         = FF_CODEC_CAP_ALLOCATE_PROGRESS,
 };
 
 #if CONFIG_VP4_DECODER
@@ -3299,7 +3254,7 @@ AVCodec ff_vp4_decoder = {
     .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DRAW_HORIZ_BAND |
                              AV_CODEC_CAP_FRAME_THREADS,
     .flush                 = vp3_decode_flush,
-    .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
+    .caps_internal         = FF_CODEC_CAP_ALLOCATE_PROGRESS,
 };
 #endif
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