[FFmpeg-cvslog] nuv: use the AVFrame API properly.

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Sat Nov  9 10:14:46 2013 +0100| [5290e02a0a49ce0c6f02b49628f6615e1f864507] | committer: Anton Khirnov

nuv: use the AVFrame API properly.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5290e02a0a49ce0c6f02b49628f6615e1f864507
---

 libavcodec/nuv.c |   37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 0e04254..4d244bd 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -31,7 +31,7 @@
 #include "rtjpeg.h"
 
 typedef struct {
-    AVFrame pic;
+    AVFrame *pic;
     int codec_frameheader;
     int quality;
     int width, height;
@@ -137,7 +137,7 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height,
             c->decomp_buf = ptr;
         ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
                               c->lq, c->cq);
-        av_frame_unref(&c->pic);
+        av_frame_unref(c->pic);
     } else if (quality != c->quality)
         ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
                               c->lq, c->cq);
@@ -232,23 +232,23 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     }
 
     if (keyframe) {
-        av_frame_unref(&c->pic);
+        av_frame_unref(c->pic);
         init_frame = 1;
     }
 
-    result = ff_reget_buffer(avctx, &c->pic);
+    result = ff_reget_buffer(avctx, c->pic);
     if (result < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return result;
     }
     if (init_frame) {
-        memset(c->pic.data[0], 0,    avctx->height * c->pic.linesize[0]);
-        memset(c->pic.data[1], 0x80, avctx->height * c->pic.linesize[1] / 2);
-        memset(c->pic.data[2], 0x80, avctx->height * c->pic.linesize[2] / 2);
+        memset(c->pic->data[0], 0,    avctx->height * c->pic->linesize[0]);
+        memset(c->pic->data[1], 0x80, avctx->height * c->pic->linesize[1] / 2);
+        memset(c->pic->data[2], 0x80, avctx->height * c->pic->linesize[2] / 2);
     }
 
-    c->pic.pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
-    c->pic.key_frame = keyframe;
+    c->pic->pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
+    c->pic->key_frame = keyframe;
     // decompress/copy/whatever data
     switch (comptype) {
     case NUV_LZO:
@@ -258,19 +258,19 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             av_log(avctx, AV_LOG_ERROR, "uncompressed frame too short\n");
             height = buf_size / c->width / 3 * 2;
         }
-        copy_frame(&c->pic, buf, c->width, height);
+        copy_frame(c->pic, buf, c->width, height);
         break;
     }
     case NUV_RTJPEG_IN_LZO:
     case NUV_RTJPEG:
-        ret = ff_rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size);
+        ret = ff_rtjpeg_decode_frame_yuv420(&c->rtj, c->pic, buf, buf_size);
         if (ret < 0)
             return ret;
         break;
     case NUV_BLACK:
-        memset(c->pic.data[0], 0, c->width * c->height);
-        memset(c->pic.data[1], 128, c->width * c->height / 4);
-        memset(c->pic.data[2], 128, c->width * c->height / 4);
+        memset(c->pic->data[0], 0, c->width * c->height);
+        memset(c->pic->data[1], 128, c->width * c->height / 4);
+        memset(c->pic->data[2], 128, c->width * c->height / 4);
         break;
     case NUV_COPY_LAST:
         /* nothing more to do here */
@@ -280,7 +280,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
         return AVERROR_INVALIDDATA;
     }
 
-    if ((result = av_frame_ref(picture, &c->pic)) < 0)
+    if ((result = av_frame_ref(picture, c->pic)) < 0)
         return result;
 
     *got_frame = 1;
@@ -292,8 +292,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
     NuvContext *c  = avctx->priv_data;
     int ret;
 
+    c->pic = av_frame_alloc();
+    if (!c->pic)
+        return AVERROR(ENOMEM);
+
     avctx->pix_fmt = AV_PIX_FMT_YUV420P;
-    c->pic.data[0] = NULL;
     c->decomp_buf  = NULL;
     c->quality     = -1;
     c->width       = 0;
@@ -317,7 +320,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
     NuvContext *c = avctx->priv_data;
 
     av_freep(&c->decomp_buf);
-    av_frame_unref(&c->pic);
+    av_frame_free(&c->pic);
 
     return 0;
 }