Quoting Gyan Doshi (2021-03-23 06:37:32)
> ---
> libavformat/rtpenc_mpegts.c | 24 +++++++++++++++++++++++-
> 1 file changed, 23 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/rtpenc_mpegts.c b/libavformat/rtpenc_mpegts.c
> index 28522f8913..d501d09590 100644
> --- a/libavformat/rtpenc_mpegts.c
> +++ b/libavformat/rtpenc_mpegts.c
> @@ -20,6 +20,7 @@
> */
>
> #include "libavutil/mathematics.h"
> +#include "libavutil/opt.h"
> #include "avformat.h"
> #include "avio_internal.h"
>
> @@ -27,6 +28,7 @@ typedef struct MuxChain {
> AVFormatContext *mpegts_ctx;
> AVFormatContext *rtp_ctx;
> AVPacket *pkt;
> + AVDictionary* mpegts_muxer_options;
> } MuxChain;
>
> static int rtp_mpegts_write_close(AVFormatContext *s)
> @@ -56,6 +58,7 @@ static int rtp_mpegts_write_header(AVFormatContext *s)
> ff_const59 AVOutputFormat *rtp_format = av_guess_format("rtp", NULL,
> NULL);
> int i, ret = AVERROR(ENOMEM);
> AVStream *st;
> + AVDictionary *mpegts_muxer_options = NULL;
>
> if (!mpegts_format || !rtp_format)
> return AVERROR(ENOSYS);
> @@ -78,7 +81,10 @@ static int rtp_mpegts_write_header(AVFormatContext *s)
> }
> if ((ret = avio_open_dyn_buf(&mpegts_ctx->pb)) < 0)
> goto fail;
> - if ((ret = avformat_write_header(mpegts_ctx, NULL)) < 0)
> +
> + av_dict_copy(&mpegts_muxer_options, chain->mpegts_muxer_options, 0);
> +
> + if ((ret = avformat_write_header(mpegts_ctx, &mpegts_muxer_options)) < 0)
> goto fail;
> for (i = 0; i < s->nb_streams; i++)
> s->streams[i]->time_base = mpegts_ctx->streams[i]->time_base;
> @@ -111,6 +117,7 @@ fail:
> if (mpegts_ctx) {
> ffio_free_dyn_buf(&mpegts_ctx->pb);
> av_dict_free(&mpegts_ctx->metadata);
> + av_dict_free(&mpegts_muxer_options);
> avformat_free_context(mpegts_ctx);
> }
> avformat_free_context(rtp_ctx);
> @@ -155,6 +162,20 @@ static int rtp_mpegts_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> return ret;
> }
>
> +#define OFFSET(x) offsetof(MuxChain, x)
> +#define E AV_OPT_FLAG_ENCODING_PARAM
> +static const AVOption options[] = {
> + { "mpegts_muxer_options", "set list of options for the MPEG-TS muxer",
> OFFSET(mpegts_muxer_options), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, E },
> + { NULL },
> +};
> +
> +static const AVClass rtp_mpegts_class = {
> + .class_name = "rtp_mpegts muxer",
> + .item_name = av_default_item_name,
> + .option = options,
> + .version = LIBAVUTIL_VERSION_INT,
> +};
> +
> AVOutputFormat ff_rtp_mpegts_muxer = {
> .name = "rtp_mpegts",
> .long_name = NULL_IF_CONFIG_SMALL("RTP/mpegts output format"),
> @@ -164,4 +185,5 @@ AVOutputFormat ff_rtp_mpegts_muxer = {
> .write_header = rtp_mpegts_write_header,
> .write_packet = rtp_mpegts_write_packet,
> .write_trailer = rtp_mpegts_write_close,
> + .priv_class = &rtp_mpegts_class,
You need to add an AVClass to the beginning of the private context.
--
Anton Khirnov
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