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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",