1 files changed, 63 insertions, 0 deletions
diff --git a/media/ffvpx/opusenc-dtx.patch b/media/ffvpx/opusenc-dtx.patch
new file mode 100644
index 0000000000..bf9fc9de87
--- /dev/null
+++ b/media/ffvpx/opusenc-dtx.patch
@@ -0,0 +1,63 @@
+diff --git a/media/ffvpx/libavcodec/libopusenc.c b/media/ffvpx/libavcodec/libopusenc.c
+--- a/media/ffvpx/libavcodec/libopusenc.c
++++ b/media/ffvpx/libavcodec/libopusenc.c
+@@ -37,16 +37,17 @@ typedef struct LibopusEncOpts {
+     int application;
+     int packet_loss;
+     int fec;
+     int complexity;
+     float frame_duration;
+     int packet_size;
+     int max_bandwidth;
+     int mapping_family;
++    int dtx;
+ #ifdef OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST
+     int apply_phase_inv;
+ #endif
+ } LibopusEncOpts;
+ 
+ typedef struct LibopusEncContext {
+     AVClass *class;
+     OpusMSEncoder *enc;
+@@ -154,16 +155,23 @@ static int libopus_configure_encoder(AVC
+ 
+     ret = opus_multistream_encoder_ctl(enc,
+                                        OPUS_SET_INBAND_FEC(opts->fec));
+     if (ret != OPUS_OK)
+         av_log(avctx, AV_LOG_WARNING,
+                "Unable to set inband FEC: %s\n",
+                opus_strerror(ret));
+ 
++    ret = opus_multistream_encoder_ctl(enc,
++                                       OPUS_SET_DTX(opts->dtx));
++    if (ret != OPUS_OK)
++        av_log(avctx, AV_LOG_WARNING,
++               "Unable to set DTX: %s\n",
++               opus_strerror(ret));
++
+     if (avctx->cutoff) {
+         ret = opus_multistream_encoder_ctl(enc,
+                                            OPUS_SET_MAX_BANDWIDTH(opts->max_bandwidth));
+         if (ret != OPUS_OK)
+             av_log(avctx, AV_LOG_WARNING,
+                    "Unable to set maximum bandwidth: %s\n", opus_strerror(ret));
+     }
+ 
+@@ -551,16 +559,17 @@ static const AVOption libopus_options[] 
+     { "frame_duration", "Duration of a frame in milliseconds", OFFSET(frame_duration), AV_OPT_TYPE_FLOAT, { .dbl = 20.0 }, 2.5, 120.0, FLAGS },
+     { "packet_loss",    "Expected packet loss percentage",     OFFSET(packet_loss),    AV_OPT_TYPE_INT,   { .i64 = 0 },    0,   100,  FLAGS },
+     { "fec",             "Enable inband FEC. Expected packet loss must be non-zero",     OFFSET(fec),    AV_OPT_TYPE_BOOL,   { .i64 = 0 }, 0, 1, FLAGS },
+     { "vbr",            "Variable bit rate mode",              OFFSET(vbr),            AV_OPT_TYPE_INT,   { .i64 = 1 },    0,   2,    FLAGS, "vbr" },
+         { "off",            "Use constant bit rate", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, FLAGS, "vbr" },
+         { "on",             "Use variable bit rate", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "vbr" },
+         { "constrained",    "Use constrained VBR",   0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, "vbr" },
+     { "mapping_family", "Channel Mapping Family",              OFFSET(mapping_family), AV_OPT_TYPE_INT,   { .i64 = -1 },   -1,  255,  FLAGS, "mapping_family" },
++    { "dtx", "Enable DTX", OFFSET(dtx), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
+ #ifdef OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST
+     { "apply_phase_inv", "Apply intensity stereo phase inversion", OFFSET(apply_phase_inv), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
+ #endif
+     { NULL },
+ };
+ 
+ static const AVClass libopus_class = {
+     .class_name = "libopus",