Fix some compiler warnings.

[nageru] / ffmpeg_capture.cpp

diff --git a/ffmpeg_capture.cpp b/ffmpeg_capture.cpp
index 9a151b60d044c9eb038cdcc7a8c74b5a98e7bbd5..b8010d08219b52e30479b299822550ac8a850519 100644 (file)
--- a/ffmpeg_capture.cpp
+++ b/ffmpeg_capture.cpp
@@ -313,12 +313,20 @@ void FFmpegCapture::send_disconnected_frame()
                VideoFormat video_format;
                video_format.width = width;
                video_format.height = height;
-               video_format.stride = width * 4;
                video_format.frame_rate_nom = 60;
                video_format.frame_rate_den = 1;
                video_format.is_connected = false;
-
-               video_frame.len = width * height * 4;
+               if (pixel_format == bmusb::PixelFormat_8BitBGRA) {
+                       video_format.stride = width * 4;
+                       video_frame.len = width * height * 4;
+               } else {
+                       video_format.stride = width;
+                       current_frame_ycbcr_format.full_range = true;
+                       current_frame_ycbcr_format.num_levels = 256;
+                       current_frame_ycbcr_format.chroma_subsampling_x = 2;
+                       current_frame_ycbcr_format.chroma_subsampling_y = 2;
+                       video_frame.len = width * height * 2;
+               }
                memset(video_frame.data, 0, video_frame.len);
 
                frame_callback(-1, AVRational{1, TIMEBASE}, -1, AVRational{1, TIMEBASE}, timecode++,
@@ -381,8 +389,9 @@ bool FFmpegCapture::play_video(const string &pathname)
                video_codec_ctx.get(), avcodec_close);
 
        // Open audio decoder, if we have audio.
-       AVCodecContextWithDeleter audio_codec_ctx = avcodec_alloc_context3_unique(nullptr);
+       AVCodecContextWithDeleter audio_codec_ctx;
        if (audio_stream_index != -1) {
+               audio_codec_ctx = avcodec_alloc_context3_unique(nullptr);
                const AVCodecParameters *audio_codecpar = format_ctx->streams[audio_stream_index]->codecpar;
                audio_timebase = format_ctx->streams[audio_stream_index]->time_base;
                if (avcodec_parameters_to_context(audio_codec_ctx.get(), audio_codecpar) < 0) {
@@ -645,10 +654,15 @@ void FFmpegCapture::convert_audio(const AVFrame *audio_avframe, FrameAllocator::
        }
        audio_format->num_channels = 2;
 
+       int64_t channel_layout = audio_avframe->channel_layout;
+       if (channel_layout == 0) {
+               channel_layout = av_get_default_channel_layout(audio_avframe->channels);
+       }
+
        if (resampler == nullptr ||
            audio_avframe->format != last_src_format ||
            dst_format != last_dst_format ||
-           av_frame_get_channel_layout(audio_avframe) != last_channel_layout ||
+           channel_layout != last_channel_layout ||
            av_frame_get_sample_rate(audio_avframe) != last_sample_rate) {
                avresample_free(&resampler);
                resampler = avresample_alloc_context();
@@ -657,7 +671,7 @@ void FFmpegCapture::convert_audio(const AVFrame *audio_avframe, FrameAllocator::
                        exit(1);
                }
 
-               av_opt_set_int(resampler, "in_channel_layout",  av_frame_get_channel_layout(audio_avframe), 0);
+               av_opt_set_int(resampler, "in_channel_layout",  channel_layout,                             0);
                av_opt_set_int(resampler, "out_channel_layout", AV_CH_LAYOUT_STEREO,                        0);
                av_opt_set_int(resampler, "in_sample_rate",     av_frame_get_sample_rate(audio_avframe),    0);
                av_opt_set_int(resampler, "out_sample_rate",    OUTPUT_FREQUENCY,                           0);
@@ -671,7 +685,7 @@ void FFmpegCapture::convert_audio(const AVFrame *audio_avframe, FrameAllocator::
 
                last_src_format = AVSampleFormat(audio_avframe->format);
                last_dst_format = dst_format;
-               last_channel_layout = av_frame_get_channel_layout(audio_avframe);
+               last_channel_layout = channel_layout;
                last_sample_rate = av_frame_get_sample_rate(audio_avframe);
        }
 
@@ -680,7 +694,7 @@ void FFmpegCapture::convert_audio(const AVFrame *audio_avframe, FrameAllocator::
 
        uint8_t *data = audio_frame->data + audio_frame->len;
        int out_samples = avresample_convert(resampler, &data, 0, num_samples_room,
-               audio_avframe->data, audio_avframe->linesize[0], audio_avframe->nb_samples);
+               const_cast<uint8_t **>(audio_avframe->data), audio_avframe->linesize[0], audio_avframe->nb_samples);
        if (out_samples < 0) {
                 fprintf(stderr, "Audio conversion failed.\n");
                 exit(1);