diff --git a/doc/examples/filtering_video.c b/doc/examples/filtering_video.c index 88394530ab..7b3e16c40c 100644 --- a/doc/examples/filtering_video.c +++ b/doc/examples/filtering_video.c @@ -210,7 +210,7 @@ static void display_frame(const AVFrame *frame, AVRational time_base) int main(int argc, char **argv) { int ret; - AVPacket packet; + AVPacket *packet; AVFrame *frame; AVFrame *filt_frame; @@ -221,8 +221,9 @@ int main(int argc, char **argv) frame = av_frame_alloc(); filt_frame = av_frame_alloc(); - if (!frame || !filt_frame) { - perror("Could not allocate frame"); + packet = av_packet_alloc(); + if (!frame || !filt_frame || !packet) { + fprintf(stderr, "Could not allocate frame or packet\n"); exit(1); } @@ -233,11 +234,11 @@ int main(int argc, char **argv) /* read all packets */ while (1) { - if ((ret = av_read_frame(fmt_ctx, &packet)) < 0) + if ((ret = av_read_frame(fmt_ctx, packet)) < 0) break; - if (packet.stream_index == video_stream_index) { - ret = avcodec_send_packet(dec_ctx, &packet); + if (packet->stream_index == video_stream_index) { + ret = avcodec_send_packet(dec_ctx, packet); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Error while sending a packet to the decoder\n"); break; @@ -273,7 +274,7 @@ int main(int argc, char **argv) av_frame_unref(frame); } } - av_packet_unref(&packet); + av_packet_unref(packet); } end: avfilter_graph_free(&filter_graph); @@ -281,6 +282,7 @@ end: avformat_close_input(&fmt_ctx); av_frame_free(&frame); av_frame_free(&filt_frame); + av_packet_free(&packet); if (ret < 0 && ret != AVERROR_EOF) { fprintf(stderr, "Error occurred: %s\n", av_err2str(ret));