diff mbox series

[FFmpeg-devel] avcodec/libopusenc: add option to set inband FEC

Message ID 20200906065728.6153-1-ffmpeg@gyani.pro
State Accepted
Commit 1e5b3f77d9f6f6827b5755763ef041d360969d0c
Headers show
Series [FFmpeg-devel] avcodec/libopusenc: add option to set inband FEC | expand

Checks

Context Check Description
andriy/default pending
andriy/make success Make finished
andriy/make_fate success Make fate finished

Commit Message

Gyan Doshi Sept. 6, 2020, 6:57 a.m. UTC
---
 doc/encoders.texi       | 5 +++++
 libavcodec/libopusenc.c | 9 +++++++++
 2 files changed, 14 insertions(+)

Comments

Gyan Doshi Sept. 8, 2020, 5:02 a.m. UTC | #1
Plan to push in a day.

On 06-09-2020 12:27 pm, Gyan Doshi wrote:
> ---
>   doc/encoders.texi       | 5 +++++
>   libavcodec/libopusenc.c | 9 +++++++++
>   2 files changed, 14 insertions(+)
>
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index 69bf742c2d..a48b15eb1b 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -953,6 +953,11 @@ The default is 20ms.
>   @item packet_loss (@emph{expect-loss})
>   Set expected packet loss percentage. The default is 0.
>   
> +@item fec (@emph{n/a})
> +Enable inband forward error correction. @option{packet_loss} must be non-zero
> +to take advantage - frequency of FEC 'side-data' is proportional to expected packet loss.
> +Default is disabled.
> +
>   @item application (N.A.)
>   Set intended application type. Valid options are listed below:
>   
> diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
> index 13017ac323..bf2d04b4fb 100644
> --- a/libavcodec/libopusenc.c
> +++ b/libavcodec/libopusenc.c
> @@ -34,6 +34,7 @@ typedef struct LibopusEncOpts {
>       int vbr;
>       int application;
>       int packet_loss;
> +    int fec;
>       int complexity;
>       float frame_duration;
>       int packet_size;
> @@ -149,6 +150,13 @@ static int libopus_configure_encoder(AVCodecContext *avctx, OpusMSEncoder *enc,
>                  "Unable to set expected packet loss percentage: %s\n",
>                  opus_strerror(ret));
>   
> +    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));
> +
>       if (avctx->cutoff) {
>           ret = opus_multistream_encoder_ctl(enc,
>                                              OPUS_SET_MAX_BANDWIDTH(opts->max_bandwidth));
> @@ -544,6 +552,7 @@ static const AVOption libopus_options[] = {
>           { "lowdelay",       "Restrict to only the lowest delay modes", 0, AV_OPT_TYPE_CONST, { .i64 = OPUS_APPLICATION_RESTRICTED_LOWDELAY }, 0, 0, FLAGS, "application" },
>       { "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" },
Gyan Doshi Sept. 9, 2020, 6:11 a.m. UTC | #2
Pushed as 1e5b3f77d9f6f6827b5755763ef041d360969d0c

On 08-09-2020 10:32 am, Gyan Doshi wrote:
> Plan to push in a day.
>
> On 06-09-2020 12:27 pm, Gyan Doshi wrote:
>> ---
>>   doc/encoders.texi       | 5 +++++
>>   libavcodec/libopusenc.c | 9 +++++++++
>>   2 files changed, 14 insertions(+)
>>
>> diff --git a/doc/encoders.texi b/doc/encoders.texi
>> index 69bf742c2d..a48b15eb1b 100644
>> --- a/doc/encoders.texi
>> +++ b/doc/encoders.texi
>> @@ -953,6 +953,11 @@ The default is 20ms.
>>   @item packet_loss (@emph{expect-loss})
>>   Set expected packet loss percentage. The default is 0.
>>   +@item fec (@emph{n/a})
>> +Enable inband forward error correction. @option{packet_loss} must be 
>> non-zero
>> +to take advantage - frequency of FEC 'side-data' is proportional to 
>> expected packet loss.
>> +Default is disabled.
>> +
>>   @item application (N.A.)
>>   Set intended application type. Valid options are listed below:
>>   diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
>> index 13017ac323..bf2d04b4fb 100644
>> --- a/libavcodec/libopusenc.c
>> +++ b/libavcodec/libopusenc.c
>> @@ -34,6 +34,7 @@ typedef struct LibopusEncOpts {
>>       int vbr;
>>       int application;
>>       int packet_loss;
>> +    int fec;
>>       int complexity;
>>       float frame_duration;
>>       int packet_size;
>> @@ -149,6 +150,13 @@ static int 
>> libopus_configure_encoder(AVCodecContext *avctx, OpusMSEncoder *enc,
>>                  "Unable to set expected packet loss percentage: %s\n",
>>                  opus_strerror(ret));
>>   +    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));
>> +
>>       if (avctx->cutoff) {
>>           ret = opus_multistream_encoder_ctl(enc,
>> OPUS_SET_MAX_BANDWIDTH(opts->max_bandwidth));
>> @@ -544,6 +552,7 @@ static const AVOption libopus_options[] = {
>>           { "lowdelay",       "Restrict to only the lowest delay 
>> modes", 0, AV_OPT_TYPE_CONST, { .i64 = 
>> OPUS_APPLICATION_RESTRICTED_LOWDELAY }, 0, 0, FLAGS, "application" },
>>       { "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" },
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
diff mbox series

Patch

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 69bf742c2d..a48b15eb1b 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -953,6 +953,11 @@  The default is 20ms.
 @item packet_loss (@emph{expect-loss})
 Set expected packet loss percentage. The default is 0.
 
+@item fec (@emph{n/a})
+Enable inband forward error correction. @option{packet_loss} must be non-zero
+to take advantage - frequency of FEC 'side-data' is proportional to expected packet loss.
+Default is disabled.
+
 @item application (N.A.)
 Set intended application type. Valid options are listed below:
 
diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
index 13017ac323..bf2d04b4fb 100644
--- a/libavcodec/libopusenc.c
+++ b/libavcodec/libopusenc.c
@@ -34,6 +34,7 @@  typedef struct LibopusEncOpts {
     int vbr;
     int application;
     int packet_loss;
+    int fec;
     int complexity;
     float frame_duration;
     int packet_size;
@@ -149,6 +150,13 @@  static int libopus_configure_encoder(AVCodecContext *avctx, OpusMSEncoder *enc,
                "Unable to set expected packet loss percentage: %s\n",
                opus_strerror(ret));
 
+    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));
+
     if (avctx->cutoff) {
         ret = opus_multistream_encoder_ctl(enc,
                                            OPUS_SET_MAX_BANDWIDTH(opts->max_bandwidth));
@@ -544,6 +552,7 @@  static const AVOption libopus_options[] = {
         { "lowdelay",       "Restrict to only the lowest delay modes", 0, AV_OPT_TYPE_CONST, { .i64 = OPUS_APPLICATION_RESTRICTED_LOWDELAY }, 0, 0, FLAGS, "application" },
     { "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" },