dv: Mark internal frame reference as const

[ffmpeg] / libavcodec / h261dec.c

diff --git a/libavcodec/h261dec.c b/libavcodec/h261dec.c
index d6e52729a13736c1d4e8872fbbe4dd21c708a7d2..95452f47b4ab1e6c3e11472664aff999d7c2566a 100644 (file)
--- a/libavcodec/h261dec.c
+++ b/libavcodec/h261dec.c
@@ -26,6 +26,7 @@
  */
 
 #include "avcodec.h"
+#include "mpeg_er.h"
 #include "mpegutils.h"
 #include "mpegvideo.h"
 #include "h263.h"
@@ -73,7 +74,7 @@ static av_cold int h261_decode_init(AVCodecContext *avctx)
     MpegEncContext *const s = &h->s;
 
     // set defaults
-    ff_MPV_decode_defaults(s);
+    ff_mpv_decode_defaults(s);
     s->avctx       = avctx;
     s->width       = s->avctx->coded_width;
     s->height      = s->avctx->coded_height;
@@ -217,7 +218,7 @@ static int h261_decode_mb_skipped(H261Context *h, int mba1, int mba2)
         s->mb_skipped                  = 1;
         h->mtype                      &= ~MB_TYPE_H261_FIL;
 
-        ff_MPV_decode_mb(s, s->block);
+        ff_mpv_decode_mb(s, s->block);
     }
 
     return 0;
@@ -433,7 +434,7 @@ static int h261_decode_mb(H261Context *h)
 intra:
     /* decode each block */
     if (s->mb_intra || HAS_CBP(h->mtype)) {
-        s->dsp.clear_blocks(s->block[0]);
+        s->bdsp.clear_blocks(s->block[0]);
         for (i = 0; i < 6; i++) {
             if (h261_decode_block(h, s->block[i], i, cbp & 32) < 0)
                 return SLICE_ERROR;
@@ -444,7 +445,7 @@ intra:
             s->block_last_index[i] = -1;
     }
 
-    ff_MPV_decode_mb(s, s->block);
+    ff_mpv_decode_mb(s, s->block);
 
     return SLICE_OK;
 }
@@ -477,7 +478,7 @@ static int h261_decode_picture_header(H261Context *h)
         i += 32;
     s->picture_number = (s->picture_number & ~31) + i;
 
-    s->avctx->time_base      = (AVRational) { 1001, 30000 };
+    s->avctx->framerate = (AVRational) { 30000, 1001 };
 
     /* PTYPE starts here */
     skip_bits1(&s->gb); /* split screen off */
@@ -570,10 +571,8 @@ static int h261_decode_frame(AVCodecContext *avctx, void *data,
     int ret;
     AVFrame *pict = data;
 
-    av_dlog(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
-    av_dlog(avctx, "bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]);
-    s->flags  = avctx->flags;
-    s->flags2 = avctx->flags2;
+    ff_dlog(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
+    ff_dlog(avctx, "bytes=%x %x %x %x\n", buf[0], buf[1], buf[2], buf[3]);
 
     h->gob_start_code_skipped = 0;
 
@@ -582,8 +581,7 @@ retry:
 
     if (!s->context_initialized)
         // we need the IDCT permutaton for reading a custom matrix
-        if (ff_MPV_common_init(s) < 0)
-            return -1;
+        ff_mpv_idct_init(s);
 
     ret = h261_decode_picture_header(h);
 
@@ -596,10 +594,14 @@ retry:
     if (s->width != avctx->coded_width || s->height != avctx->coded_height) {
         ParseContext pc = s->parse_context; // FIXME move this demuxing hack to libavformat
         s->parse_context.buffer = 0;
-        ff_MPV_common_end(s);
+        ff_mpv_common_end(s);
         s->parse_context = pc;
     }
+
     if (!s->context_initialized) {
+        if ((ret = ff_mpv_common_init(s)) < 0)
+            return ret;
+
         ret = ff_set_dimensions(avctx, s->width, s->height);
         if (ret < 0)
             return ret;
@@ -608,15 +610,15 @@ retry:
     }
 
     // for skipping the frame
-    s->current_picture.f.pict_type = s->pict_type;
-    s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
+    s->current_picture.f->pict_type = s->pict_type;
+    s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
 
     if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) ||
         (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) ||
          avctx->skip_frame >= AVDISCARD_ALL)
         return get_consumed_bytes(s, buf_size);
 
-    if (ff_MPV_frame_start(s, avctx) < 0)
+    if (ff_mpv_frame_start(s, avctx) < 0)
         return -1;
 
     ff_mpeg_er_frame_start(s);
@@ -630,12 +632,12 @@ retry:
             break;
         h261_decode_gob(h);
     }
-    ff_MPV_frame_end(s);
+    ff_mpv_frame_end(s);
 
-    assert(s->current_picture.f.pict_type == s->current_picture_ptr->f.pict_type);
-    assert(s->current_picture.f.pict_type == s->pict_type);
+    assert(s->current_picture.f->pict_type == s->current_picture_ptr->f->pict_type);
+    assert(s->current_picture.f->pict_type == s->pict_type);
 
-    if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0)
+    if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
         return ret;
     ff_print_debug_info(s, s->current_picture_ptr);
 
@@ -649,7 +651,7 @@ static av_cold int h261_decode_end(AVCodecContext *avctx)
     H261Context *h    = avctx->priv_data;
     MpegEncContext *s = &h->s;
 
-    ff_MPV_common_end(s);
+    ff_mpv_common_end(s);
     return 0;
 }
 
@@ -662,5 +664,5 @@ AVCodec ff_h261_decoder = {
     .init           = h261_decode_init,
     .close          = h261_decode_end,
     .decode         = h261_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
+    .capabilities   = AV_CODEC_CAP_DR1,
 };