From: Steinar H. Gunderson <steinar+nageru@gunderson.no>
Date: Sun, 4 Apr 2021 11:41:29 +0000 (+0200)
Subject: Stop decoding video/audio in FFmpegCapture if we are not going to use the decoded... 
X-Git-Tag: 2.0.2~8
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=e463f05db81538dedceb8d0eaac59bb622cb76e5;p=nageru

Stop decoding video/audio in FFmpegCapture if we are not going to use the decoded information anyway.
---

diff --git a/nageru/ffmpeg_capture.cpp b/nageru/ffmpeg_capture.cpp
index 0a328e0..4b9d54f 100644
--- a/nageru/ffmpeg_capture.cpp
+++ b/nageru/ffmpeg_capture.cpp
@@ -848,13 +848,13 @@ AVFrameWithDeleter FFmpegCapture::decode_frame(AVFormatContext *format_ctx, AVCo
 			if (pkt.stream_index == video_stream_index && video_callback != nullptr) {
 				video_callback(&pkt, format_ctx->streams[video_stream_index]->time_base);
 			}
-			if (pkt.stream_index == video_stream_index) {
+			if (pkt.stream_index == video_stream_index && global_flags.transcode_video) {
 				if (avcodec_send_packet(video_codec_ctx, &pkt) < 0) {
 					fprintf(stderr, "%s: Cannot send packet to video codec.\n", pathname.c_str());
 					*error = true;
 					return AVFrameWithDeleter(nullptr);
 				}
-			} else if (pkt.stream_index == audio_stream_index) {
+			} else if (pkt.stream_index == audio_stream_index && global_flags.transcode_audio) {
 				has_audio = true;
 				if (avcodec_send_packet(audio_codec_ctx, &pkt) < 0) {
 					fprintf(stderr, "%s: Cannot send packet to audio codec.\n", pathname.c_str());