Release Nageru and Futatabi 1.9.1.

[nageru] / nageru / kaeru.cpp

diff --git a/nageru/kaeru.cpp b/nageru/kaeru.cpp
index 843bd81b4293cbdc28f15c6387e9457aa550c049..d9b1e0e0a2d2424433c783068f6aa441c7c9717b 100644 (file)
--- a/nageru/kaeru.cpp
+++ b/nageru/kaeru.cpp
@@ -71,8 +71,13 @@ unique_ptr<Mux> create_mux(HTTPD *httpd, AVOutputFormat *oformat, X264Encoder *x
 
        string video_extradata = x264_encoder->get_global_headers();
 
+       // If audio is disabled (ie., we won't ever see any audio packets),
+       // set nullptr here to also not include the stream in the mux.
+       AVCodecParameters *audio_codecpar =
+               global_flags.enable_audio ? audio_encoder->get_codec_parameters().release() : nullptr;
+
        unique_ptr<Mux> mux;
-       mux.reset(new Mux(avctx, global_flags.width, global_flags.height, Mux::CODEC_H264, video_extradata, audio_encoder->get_codec_parameters().get(),
+       mux.reset(new Mux(avctx, global_flags.width, global_flags.height, Mux::CODEC_H264, video_extradata, audio_codecpar,
                get_color_space(global_flags.ycbcr_rec709_coefficients), COARSE_TIMEBASE,
                /*write_callback=*/nullptr, Mux::WRITE_FOREGROUND, { &stream_mux_metrics }));
        stream_mux_metrics.init({{ "destination", "http" }});
@@ -104,17 +109,18 @@ void video_frame_callback(FFmpegCapture *video, X264Encoder *x264_encoder, Audio
                size_t num_samples = audio_frame.len / (audio_format.bits_per_sample / 8);
                vector<float> float_samples;
                float_samples.resize(num_samples);
+
                if (audio_format.bits_per_sample == 16) {
                        const int16_t *src = (const int16_t *)audio_frame.data;
                        float *dst = &float_samples[0];
                        for (size_t i = 0; i < num_samples; ++i) {
-                               *dst++ = le16toh(*src++) * (1.0f / 32768.0f);
+                               *dst++ = int16_t(le16toh(*src++)) * (1.0f / 32768.0f);
                        }
                } else if (audio_format.bits_per_sample == 32) {
                        const int32_t *src = (const int32_t *)audio_frame.data;
                        float *dst = &float_samples[0];
                        for (size_t i = 0; i < num_samples; ++i) {
-                               *dst++ = le32toh(*src++) * (1.0f / 2147483648.0f);
+                               *dst++ = int32_t(le32toh(*src++)) * (1.0f / 2147483648.0f);
                        }
                } else {
                        assert(false);
@@ -172,7 +178,7 @@ int main(int argc, char *argv[])
        parse_flags(PROGRAM_KAERU, argc, argv);
        if (optind + 1 != argc) {
                usage(PROGRAM_KAERU);
-               exit(1);
+               abort();
        }
        global_flags.num_cards = 1;  // For latency metrics.
 
@@ -204,7 +210,7 @@ int main(int argc, char *argv[])
        FFmpegCapture video(argv[optind], global_flags.width, global_flags.height);
        video.set_pixel_format(FFmpegCapture::PixelFormat_NV12);
        video.set_frame_callback(bind(video_frame_callback, &video, x264_encoder.get(), audio_encoder.get(), _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11));
-       if (!global_flags.transcode_audio) {
+       if (!global_flags.transcode_audio && global_flags.enable_audio) {
                video.set_audio_callback(bind(audio_frame_callback, http_mux.get(), _1, _2));
        }
        video.configure_card();