flicvideo: use the AVFrame API properly.
authorAnton Khirnov <anton@khirnov.net>
Sat, 9 Nov 2013 09:14:46 +0000 (10:14 +0100)
committerAnton Khirnov <anton@khirnov.net>
Sat, 16 Nov 2013 12:23:59 +0000 (13:23 +0100)
libavcodec/flicvideo.c

index ff1d820..68f45b4 100644 (file)
@@ -71,7 +71,7 @@
 
 typedef struct FlicDecodeContext {
     AVCodecContext *avctx;
-    AVFrame frame;
+    AVFrame *frame;
 
     unsigned int palette[256];
     int new_palette;
@@ -123,7 +123,10 @@ static av_cold int flic_decode_init(AVCodecContext *avctx)
                   return AVERROR_INVALIDDATA;
     }
 
-    avcodec_get_frame_defaults(&s->frame);
+    s->frame = av_frame_alloc();
+    if (!s->frame)
+        return AVERROR(ENOMEM);
+
     s->new_palette = 0;
 
     return 0;
@@ -168,13 +171,13 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
 
     bytestream2_init(&g2, buf, buf_size);
 
-    if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) {
+    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return ret;
     }
 
-    pixels = s->frame.data[0];
-    pixel_limit = s->avctx->height * s->frame.linesize[0];
+    pixels = s->frame->data[0];
+    pixel_limit = s->avctx->height * s->frame->linesize[0];
     frame_size = bytestream2_get_le32(&g2);
     bytestream2_skip(&g2, 2); /* skip the magic number */
     num_chunks = bytestream2_get_le16(&g2);
@@ -248,12 +251,12 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                 if ((line_packets & 0xC000) == 0xC000) {
                     // line skip opcode
                     line_packets = -line_packets;
-                    y_ptr += line_packets * s->frame.linesize[0];
+                    y_ptr += line_packets * s->frame->linesize[0];
                 } else if ((line_packets & 0xC000) == 0x4000) {
                     av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets);
                 } else if ((line_packets & 0xC000) == 0x8000) {
                     // "last byte" opcode
-                    pixel_ptr= y_ptr + s->frame.linesize[0] - 1;
+                    pixel_ptr= y_ptr + s->frame->linesize[0] - 1;
                     CHECK_PIXEL_PTR(0);
                     pixels[pixel_ptr] = line_packets & 0xff;
                 } else {
@@ -284,7 +287,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                         }
                     }
 
-                    y_ptr += s->frame.linesize[0];
+                    y_ptr += s->frame->linesize[0];
                 }
             }
             break;
@@ -293,7 +296,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
             /* line compressed */
             starting_line = bytestream2_get_le16(&g2);
             y_ptr = 0;
-            y_ptr += starting_line * s->frame.linesize[0];
+            y_ptr += starting_line * s->frame->linesize[0];
 
             compressed_lines = bytestream2_get_le16(&g2);
             while (compressed_lines > 0) {
@@ -324,7 +327,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                     }
                 }
 
-                y_ptr += s->frame.linesize[0];
+                y_ptr += s->frame->linesize[0];
                 compressed_lines--;
             }
             break;
@@ -332,7 +335,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
         case FLI_BLACK:
             /* set the whole frame to color 0 (which is usually black) */
             memset(pixels, 0,
-                s->frame.linesize[0] * s->avctx->height);
+                s->frame->linesize[0] * s->avctx->height);
             break;
 
         case FLI_BRUN:
@@ -375,7 +378,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                     }
                 }
 
-                y_ptr += s->frame.linesize[0];
+                y_ptr += s->frame->linesize[0];
             }
             break;
 
@@ -386,8 +389,8 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                        "bigger than image, skipping chunk\n", chunk_size - 6);
                 bytestream2_skip(&g2, chunk_size - 6);
             } else {
-                for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height;
-                     y_ptr += s->frame.linesize[0]) {
+                for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
+                     y_ptr += s->frame->linesize[0]) {
                     bytestream2_get_buffer(&g2, &pixels[y_ptr],
                                            s->avctx->width);
                 }
@@ -417,13 +420,13 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                buf_size - bytestream2_get_bytes_left(&g2));
 
     /* make the palette available on the way out */
-    memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE);
+    memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);
     if (s->new_palette) {
-        s->frame.palette_has_changed = 1;
+        s->frame->palette_has_changed = 1;
         s->new_palette = 0;
     }
 
-    if ((ret = av_frame_ref(data, &s->frame)) < 0)
+    if ((ret = av_frame_ref(data, s->frame)) < 0)
         return ret;
 
     *got_frame = 1;
@@ -464,13 +467,13 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
 
     bytestream2_init(&g2, buf, buf_size);
 
-    if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) {
+    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return ret;
     }
 
-    pixels = s->frame.data[0];
-    pixel_limit = s->avctx->height * s->frame.linesize[0];
+    pixels = s->frame->data[0];
+    pixel_limit = s->avctx->height * s->frame->linesize[0];
 
     frame_size = bytestream2_get_le32(&g2);
     bytestream2_skip(&g2, 2);  /* skip the magic number */
@@ -504,7 +507,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                 line_packets = bytestream2_get_le16(&g2);
                 if (line_packets < 0) {
                     line_packets = -line_packets;
-                    y_ptr += line_packets * s->frame.linesize[0];
+                    y_ptr += line_packets * s->frame->linesize[0];
                 } else {
                     compressed_lines--;
                     pixel_ptr = y_ptr;
@@ -533,7 +536,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                         }
                     }
 
-                    y_ptr += s->frame.linesize[0];
+                    y_ptr += s->frame->linesize[0];
                 }
             }
             break;
@@ -546,7 +549,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
         case FLI_BLACK:
             /* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */
             memset(pixels, 0x0000,
-                   s->frame.linesize[0] * s->avctx->height);
+                   s->frame->linesize[0] * s->avctx->height);
             break;
 
         case FLI_BRUN:
@@ -597,7 +600,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                     pixel_ptr += 2;
                 }
 #endif
-                y_ptr += s->frame.linesize[0];
+                y_ptr += s->frame->linesize[0];
             }
             break;
 
@@ -637,7 +640,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                     }
                 }
 
-                y_ptr += s->frame.linesize[0];
+                y_ptr += s->frame->linesize[0];
             }
             break;
 
@@ -650,8 +653,8 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                 bytestream2_skip(&g2, chunk_size - 6);
             } else {
 
-                for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height;
-                     y_ptr += s->frame.linesize[0]) {
+                for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
+                     y_ptr += s->frame->linesize[0]) {
 
                     pixel_countdown = s->avctx->width;
                     pixel_ptr = 0;
@@ -684,7 +687,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
         av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
                "and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2));
 
-    if ((ret = av_frame_ref(data, &s->frame)) < 0)
+    if ((ret = av_frame_ref(data, s->frame)) < 0)
         return ret;
 
     *got_frame = 1;
@@ -733,7 +736,7 @@ static av_cold int flic_decode_end(AVCodecContext *avctx)
 {
     FlicDecodeContext *s = avctx->priv_data;
 
-    av_frame_unref(&s->frame);
+    av_frame_free(&s->frame);
 
     return 0;
 }