fix: update example

examples/main.rs

@@ -1,6 +1,5 @@
-use ffmpeg_rs_raw::{Decoder, Demuxer, DemuxerInfo, Filter};
+use ffmpeg_rs_raw::{get_frame_from_hw, Decoder, Demuxer, DemuxerInfo, Scaler};
-use ffmpeg_sys_the_third::AVHWDeviceType::AV_HWDEVICE_TYPE_CUDA;
+use ffmpeg_sys_the_third::{av_frame_free, av_packet_free, AVMediaType, AVPixelFormat};
-use ffmpeg_sys_the_third::{av_frame_free, av_packet_free, AVMediaType};
 use log::{error, info};
 use std::env::args;
 use std::fs::File;
@@ -42,8 +41,8 @@ fn scan_input(mut demuxer: Demuxer) {
 
 unsafe fn decode_input(demuxer: Demuxer, info: DemuxerInfo) {
     let mut decoder = Decoder::new();
-    //decoder.enable_hw_decoder_any();
+    decoder.enable_hw_decoder_any();
-    decoder.enable_hw_decoder(AV_HWDEVICE_TYPE_CUDA);
+
     for ref stream in info.channels {
         decoder
             .setup_decoder(stream, None)
@@ -54,9 +53,7 @@ unsafe fn decode_input(demuxer: Demuxer, info: DemuxerInfo) {
 }
 
 unsafe fn loop_decoder(mut demuxer: Demuxer, mut decoder: Decoder) {
-    let mut filter =
+    let mut scale = Scaler::new();
-        Filter::parse(&format!("scale_cuda=w={}:h={}", -2, 1080)).expect("filter add failed");
-
     loop {
         let (mut pkt, stream) = demuxer.get_packet().expect("demuxer failed");
         if pkt.is_null() {
@@ -74,7 +71,10 @@ unsafe fn loop_decoder(mut demuxer: Demuxer, mut decoder: Decoder) {
             for (mut frame, _stream) in frames {
                 // do nothing but decode entire stream
                 if media_type == AVMediaType::AVMEDIA_TYPE_VIDEO {
-                    let mut new_frame = filter.process_frame(frame).expect("scale failed");
+                    frame = get_frame_from_hw(frame).expect("get frame failed");
+                    let mut new_frame = scale
+                        .process_frame(frame, 512, 512, AVPixelFormat::AV_PIX_FMT_RGBA)
+                        .expect("scale failed");
                     av_frame_free(&mut new_frame);
                 }
                 av_frame_free(&mut frame);

src/decode.rs

@@ -1,6 +1,5 @@
 use crate::{options_to_dict, return_ffmpeg_error, rstr, StreamInfoChannel};
 use std::collections::{HashMap, HashSet};
-use std::ffi::CStr;
 use std::fmt::{Display, Formatter};
 use std::ptr;
 

src/filter.rs

@@ -1,13 +1,12 @@
 use crate::{cstr, return_ffmpeg_error, rstr, set_opts};
 use anyhow::Error;
 use ffmpeg_sys_the_third::{
-    av_free, av_strdup, avfilter_get_by_name, avfilter_graph_alloc, avfilter_graph_alloc_filter,
+    av_strdup, avfilter_get_by_name, avfilter_graph_alloc, avfilter_graph_alloc_filter,
     avfilter_graph_config, avfilter_graph_create_filter, avfilter_graph_dump, avfilter_graph_parse,
     avfilter_inout_alloc, AVFilterContext, AVFilterGraph, AVFrame,
 };
 use log::debug;
 use std::collections::HashMap;
-use std::ffi::CStr;
 use std::ptr;
 
 pub struct Filter {

src/lib.rs

@@ -5,7 +5,6 @@ use ffmpeg_sys_the_third::{
     AV_OPT_SEARCH_CHILDREN,
 };
 use std::collections::HashMap;
-use std::ffi::CStr;
 use std::ptr;
 
 mod decode;

src/stream_info.rs

@@ -2,7 +2,6 @@ use crate::{format_time, rstr};
 use ffmpeg_sys_the_third::{
     av_get_pix_fmt_name, av_get_sample_fmt_name, avcodec_get_name, AVMediaType, AVStream,
 };
-use std::ffi::CStr;
 use std::fmt::{Display, Formatter};
 use std::intrinsics::transmute;