tiertexseqv: use the AVFrame API properly.

libavcodec/tiertexseqv.c

@@ -32,7 +32,7 @@
 
 typedef struct SeqVideoContext {
     AVCodecContext *avctx;
-    AVFrame frame;
+    AVFrame *frame;
 } SeqVideoContext;
 
 
@@ -93,14 +93,14 @@ static const unsigned char *seq_decode_op1(SeqVideoContext *seq,
             src = seq_unpack_rle_block(src, src_end, block, sizeof(block));
             for (b = 0; b < 8; b++) {
                 memcpy(dst, &block[b * 8], 8);
-                dst += seq->frame.linesize[0];
+                dst += seq->frame->linesize[0];
             }
             break;
         case 2:
             src = seq_unpack_rle_block(src, src_end, block, sizeof(block));
             for (i = 0; i < 8; i++) {
                 for (b = 0; b < 8; b++)
-                    dst[b * seq->frame.linesize[0]] = block[i * 8 + b];
+                    dst[b * seq->frame->linesize[0]] = block[i * 8 + b];
                 ++dst;
             }
             break;
@@ -117,7 +117,7 @@ static const unsigned char *seq_decode_op1(SeqVideoContext *seq,
         for (b = 0; b < 8; b++) {
             for (i = 0; i < 8; i++)
                 dst[i] = color_table[get_bits(&gb, bits)];
-            dst += seq->frame.linesize[0];
+            dst += seq->frame->linesize[0];
         }
     }
 
@@ -137,7 +137,7 @@ static const unsigned char *seq_decode_op2(SeqVideoContext *seq,
     for (i = 0; i < 8; i++) {
         memcpy(dst, src, 8);
         src += 8;
-        dst += seq->frame.linesize[0];
+        dst += seq->frame->linesize[0];
     }
 
     return src;
@@ -154,7 +154,7 @@ static const unsigned char *seq_decode_op3(SeqVideoContext *seq,
         if (src_end - src < 2)
             return NULL;
         pos = *src++;
-        offset = ((pos >> 3) & 7) * seq->frame.linesize[0] + (pos & 7);
+        offset = ((pos >> 3) & 7) * seq->frame->linesize[0] + (pos & 7);
         dst[offset] = *src++;
     } while (!(pos & 0x80));
 
@@ -173,7 +173,7 @@ static int seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int
     flags = *data++;
 
     if (flags & 1) {
-        palette = (uint32_t *)seq->frame.data[1];
+        palette = (uint32_t *)seq->frame->data[1];
         if (data_end - data < 256 * 3)
             return AVERROR_INVALIDDATA;
         for (i = 0; i < 256; i++) {
@@ -181,7 +181,7 @@ static int seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int
                 c[j] = (*data << 2) | (*data >> 4);
             palette[i] = AV_RB24(c);
         }
-        seq->frame.palette_has_changed = 1;
+        seq->frame->palette_has_changed = 1;
     }
 
     if (flags & 2) {
@@ -190,7 +190,7 @@ static int seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int
         init_get_bits(&gb, data, 128 * 8); data += 128;
         for (y = 0; y < 128; y += 8)
             for (x = 0; x < 256; x += 8) {
-                dst = &seq->frame.data[0][y * seq->frame.linesize[0] + x];
+                dst = &seq->frame->data[0][y * seq->frame->linesize[0] + x];
                 op = get_bits(&gb, 2);
                 switch (op) {
                 case 1:
@@ -217,7 +217,9 @@ static av_cold int seqvideo_decode_init(AVCodecContext *avctx)
     seq->avctx = avctx;
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
-    avcodec_get_frame_defaults(&seq->frame);
+    seq->frame = av_frame_alloc();
+    if (!seq->frame)
+        return AVERROR(ENOMEM);
 
     return 0;
 }
@@ -232,7 +234,7 @@ static int seqvideo_decode_frame(AVCodecContext *avctx,
 
     SeqVideoContext *seq = avctx->priv_data;
 
-    if ((ret = ff_reget_buffer(avctx, &seq->frame)) < 0) {
+    if ((ret = ff_reget_buffer(avctx, seq->frame)) < 0) {
         av_log(seq->avctx, AV_LOG_ERROR, "tiertexseqvideo: reget_buffer() failed\n");
         return ret;
     }
@@ -240,7 +242,7 @@ static int seqvideo_decode_frame(AVCodecContext *avctx,
     if (seqvideo_decode(seq, buf, buf_size))
         return AVERROR_INVALIDDATA;
 
-    if ((ret = av_frame_ref(data, &seq->frame)) < 0)
+    if ((ret = av_frame_ref(data, seq->frame)) < 0)
         return ret;
     *got_frame       = 1;
 
@@ -251,7 +253,7 @@ static av_cold int seqvideo_decode_end(AVCodecContext *avctx)
 {
     SeqVideoContext *seq = avctx->priv_data;
 
-    av_frame_unref(&seq->frame);
+    av_frame_free(&seq->frame);
 
     return 0;
 }