avcodec: Constify AVCodecs

[ffmpeg] / libavcodec / vp8.c

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 1794d6d0312cdccd700302058d4a245ada737795..b964d2fd2df0cb98bba590fd7b4f706ab44b8801 100644 (file)
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -25,9 +25,10 @@
  */
 
 #include "libavutil/imgutils.h"
+#include "libavutil/mem_internal.h"
 
 #include "avcodec.h"
-#include "hwaccel.h"
+#include "hwconfig.h"
 #include "internal.h"
 #include "mathops.h"
 #include "rectangle.h"
@@ -187,7 +188,7 @@ static av_always_inline
 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
 {
     AVCodecContext *avctx = s->avctx;
-    int i, ret;
+    int i, ret, dim_reset = 0;
 
     if (width  != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
         height != s->avctx->height) {
@@ -196,9 +197,12 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
         ret = ff_set_dimensions(s->avctx, width, height);
         if (ret < 0)
             return ret;
+
+        dim_reset = (s->macroblocks_base != NULL);
     }
 
-    if (!s->actually_webp && !is_vp7) {
+    if ((s->pix_fmt == AV_PIX_FMT_NONE || dim_reset) &&
+         !s->actually_webp && !is_vp7) {
         s->pix_fmt = get_pixel_format(s);
         if (s->pix_fmt < 0)
             return AVERROR(EINVAL);
@@ -2289,10 +2293,10 @@ int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
         s->mv_bounds.mv_min.x = -MARGIN;
         s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
 
-        if (vpX_rac_is_end(&s->c)) {
-            return AVERROR_INVALIDDATA;
-        }
         for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
+            if (vpX_rac_is_end(&s->c)) {
+                return AVERROR_INVALIDDATA;
+            }
             if (mb_y == 0)
                 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
                          DC_PRED * 0x01010101);
@@ -2618,7 +2622,7 @@ static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
 
 static av_always_inline
 int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
-                      AVPacket *avpkt, int is_vp7)
+                      const AVPacket *avpkt, int is_vp7)
 {
     VP8Context *s = avctx->priv_data;
     int ret, i, referenced, num_jobs;
@@ -2934,7 +2938,7 @@ static int vp8_decode_update_thread_context(AVCodecContext *dst,
 #endif /* CONFIG_VP8_DECODER */
 
 #if CONFIG_VP7_DECODER
-AVCodec ff_vp7_decoder = {
+const AVCodec ff_vp7_decoder = {
     .name                  = "vp7",
     .long_name             = NULL_IF_CONFIG_SMALL("On2 VP7"),
     .type                  = AVMEDIA_TYPE_VIDEO,
@@ -2949,7 +2953,7 @@ AVCodec ff_vp7_decoder = {
 #endif /* CONFIG_VP7_DECODER */
 
 #if CONFIG_VP8_DECODER
-AVCodec ff_vp8_decoder = {
+const AVCodec ff_vp8_decoder = {
     .name                  = "vp8",
     .long_name             = NULL_IF_CONFIG_SMALL("On2 VP8"),
     .type                  = AVMEDIA_TYPE_VIDEO,
@@ -2962,7 +2966,7 @@ AVCodec ff_vp8_decoder = {
                              AV_CODEC_CAP_SLICE_THREADS,
     .flush                 = vp8_decode_flush,
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
-    .hw_configs            = (const AVCodecHWConfigInternal*[]) {
+    .hw_configs            = (const AVCodecHWConfigInternal *const []) {
 #if CONFIG_VP8_VAAPI_HWACCEL
                                HWACCEL_VAAPI(vp8),
 #endif