avcodec/codec, allcodecs: Constify the AVCodec API

[ffmpeg] / doc / examples / vaapi_encode.c

diff --git a/doc/examples/vaapi_encode.c b/doc/examples/vaapi_encode.c
index 3bdc62bef37da87c0a247deb7646532180f73410..e232fa579a176ea0e4cedaadda449a042dedbaa3 100644 (file)
--- a/doc/examples/vaapi_encode.c
+++ b/doc/examples/vaapi_encode.c
@@ -1,21 +1,23 @@
 /*
  * Video Acceleration API (video encoding) encode sample
  *
- * This file is part of FFmpeg.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
  *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
  */
 
 /**
@@ -72,27 +74,27 @@ static int set_hwframe_ctx(AVCodecContext *ctx, AVBufferRef *hw_device_ctx)
 static int encode_write(AVCodecContext *avctx, AVFrame *frame, FILE *fout)
 {
     int ret = 0;
-    AVPacket enc_pkt;
+    AVPacket *enc_pkt;
 
-    av_init_packet(&enc_pkt);
-    enc_pkt.data = NULL;
-    enc_pkt.size = 0;
+    if (!(enc_pkt = av_packet_alloc()))
+        return AVERROR(ENOMEM);
 
     if ((ret = avcodec_send_frame(avctx, frame)) < 0) {
         fprintf(stderr, "Error code: %s\n", av_err2str(ret));
         goto end;
     }
     while (1) {
-        ret = avcodec_receive_packet(avctx, &enc_pkt);
+        ret = avcodec_receive_packet(avctx, enc_pkt);
         if (ret)
             break;
 
-        enc_pkt.stream_index = 0;
-        ret = fwrite(enc_pkt.data, enc_pkt.size, 1, fout);
-        av_packet_unref(&enc_pkt);
+        enc_pkt->stream_index = 0;
+        ret = fwrite(enc_pkt->data, enc_pkt->size, 1, fout);
+        av_packet_unref(enc_pkt);
     }
 
 end:
+    av_packet_free(&enc_pkt);
     ret = ((ret == AVERROR(EAGAIN)) ? 0 : -1);
     return ret;
 }
@@ -103,7 +105,7 @@ int main(int argc, char *argv[])
     FILE *fin = NULL, *fout = NULL;
     AVFrame *sw_frame = NULL, *hw_frame = NULL;
     AVCodecContext *avctx = NULL;
-    AVCodec *codec = NULL;
+    const AVCodec *codec = NULL;
     const char *enc_name = "h264_vaapi";
 
     if (argc < 5) {
@@ -170,7 +172,7 @@ int main(int argc, char *argv[])
         sw_frame->width  = width;
         sw_frame->height = height;
         sw_frame->format = AV_PIX_FMT_NV12;
-        if ((err = av_frame_get_buffer(sw_frame, 32)) < 0)
+        if ((err = av_frame_get_buffer(sw_frame, 0)) < 0)
             goto close;
         if ((err = fread((uint8_t*)(sw_frame->data[0]), size, 1, fin)) <= 0)
             break;