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 98fd5d3b51290cbf5337ccfa912c77ac5aeacf71..e232fa579a176ea0e4cedaadda449a042dedbaa3 100644 (file)
--- a/doc/examples/vaapi_encode.c
+++ b/doc/examples/vaapi_encode.c
@@ -74,27 +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;
 }
@@ -105,7 +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) {
@@ -172,7 +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;