Support audio-only FFmpeg inputs. Somewhat wonky, though.

[nageru] / mux.cpp

diff --git a/mux.cpp b/mux.cpp
index f52f795029c7ff3fd30daff5126244919de56def..b1b9db683081528e8aa15c640288e0d8a2d5b9e6 100644 (file)
--- a/mux.cpp
+++ b/mux.cpp
@@ -75,7 +75,7 @@ Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const
        // Note that there's no way to change this per-frame as the H.264 stream
        // would like to be able to.
        avstream_video->codecpar->color_primaries = AVCOL_PRI_BT709;  // RGB colorspace (inout_format.color_space).
-       avstream_video->codecpar->color_trc = AVCOL_TRC_UNSPECIFIED;  // Gamma curve (inout_format.gamma_curve).
+       avstream_video->codecpar->color_trc = AVCOL_TRC_IEC61966_2_1;  // Gamma curve (inout_format.gamma_curve).
        // YUV colorspace (output_ycbcr_format.luma_coefficients).
        if (global_flags.ycbcr_rec709_coefficients) {
                avstream_video->codecpar->color_space = AVCOL_SPC_BT709;
@@ -145,18 +145,22 @@ Mux::~Mux()
        avformat_free_context(avctx);
 }
 
-void Mux::add_packet(const AVPacket &pkt, int64_t pts, int64_t dts, AVRational timebase)
+void Mux::add_packet(const AVPacket &pkt, int64_t pts, int64_t dts, AVRational timebase, int stream_index_override)
 {
        AVPacket pkt_copy;
-       if (av_copy_packet(&pkt_copy, &pkt) < 0) {
+       av_init_packet(&pkt_copy);
+       if (av_packet_ref(&pkt_copy, &pkt) < 0) {
                fprintf(stderr, "av_copy_packet() failed\n");
                exit(1);
        }
-       if (pkt.stream_index == 0) {
+       if (stream_index_override != -1) {
+               pkt_copy.stream_index = stream_index_override;
+       }
+       if (pkt_copy.stream_index == 0) {
                pkt_copy.pts = av_rescale_q(pts, timebase, avstream_video->time_base);
                pkt_copy.dts = av_rescale_q(dts, timebase, avstream_video->time_base);
                pkt_copy.duration = av_rescale_q(pkt.duration, timebase, avstream_video->time_base);
-       } else if (pkt.stream_index == 1) {
+       } else if (pkt_copy.stream_index == 1) {
                pkt_copy.pts = av_rescale_q(pts, timebase, avstream_audio->time_base);
                pkt_copy.dts = av_rescale_q(dts, timebase, avstream_audio->time_base);
                pkt_copy.duration = av_rescale_q(pkt.duration, timebase, avstream_audio->time_base);