[FFmpeg-devel] [PATCH 8/8] avformat/hlsenc: usage of error handling utility function

[Steven Liu]

> On 30 Mar 2018, at 13:09, vdixit at akamai.com wrote:
> 
> From: Vishwanath Dixit <vdixit at akamai.com>
> 
> ---
> doc/muxers.texi      |  9 +++++++++
> libavformat/hlsenc.c | 16 +++++++++-------
> 2 files changed, 18 insertions(+), 7 deletions(-)
> 
> diff --git a/doc/muxers.texi b/doc/muxers.texi
> index 0d9ecef..a651a49 100644
> --- a/doc/muxers.texi
> +++ b/doc/muxers.texi
> @@ -977,6 +977,15 @@ Use persistent HTTP connections. Applicable only for HTTP output.
> @item timeout
> Set timeout for socket I/O operations. Applicable only for HTTP output.
> 
> + at item -ignore_nw_error @var{ignore_nw_error}
> +Enable (1) or disable (0) ignoring the following non-fatal network errors during
> +muxing. Applicable only for HTTP output.
> + at example
> +EPIPE        - Broken pipe
> +ECONNREFUSED - Connection refused
> +ECONNRESET   - Connection reset by peer
> + at end example
> +
> @end table
> 
> @anchor{ico}
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 334720f..f6de326 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -225,6 +225,7 @@ typedef struct HLSContext {
>     AVIOContext *m3u8_out;
>     AVIOContext *sub_m3u8_out;
>     int64_t timeout;
> +    int ignore_nw_err;
> } HLSContext;
> 
> static int mkdir_p(const char *path) {
> @@ -2247,7 +2248,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>                 ret = flush_dynbuf(vs, &range_length);
>                 if (ret < 0) {
>                     av_free(old_filename);
> -                    return ret;
> +                    return av_handle_error(s, ret, hls->ignore_nw_err);
>                 }
>                 vs->size = range_length;
>             } else {
> @@ -2255,12 +2256,12 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>                 if (ret < 0) {
>                     av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n",
>                            vs->avf->url);
> -                    return ret;
> +                    return av_handle_error(s, ret, hls->ignore_nw_err);
>                 }
>                 write_styp(vs->out);
>                 ret = flush_dynbuf(vs, &range_length);
>                 if (ret < 0) {
> -                    return ret;
> +                    return av_handle_error(s, ret, hls->ignore_nw_err);
>                 }
>                 ff_format_io_close(s, &vs->out);
>             }
> @@ -2277,7 +2278,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>             vs->duration = 0;
>             if (ret < 0) {
>                 av_free(old_filename);
> -                return ret;
> +                return av_handle_error(s, ret, hls->ignore_nw_err);
>             }
>         }
> 
> @@ -2308,12 +2309,12 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>         av_free(old_filename);
> 
>         if (ret < 0) {
> -            return ret;
> +            return av_handle_error(s, ret, hls->ignore_nw_err);
>         }
> 
>         if (!vs->fmp4_init_mode || byterange_mode)
>             if ((ret = hls_window(s, 0, vs)) < 0) {
> -                return ret;
> +                return av_handle_error(s, ret, hls->ignore_nw_err);
>             }
>     }
> 
> @@ -2321,7 +2322,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>     if (oc->pb)
>         ret = ff_write_chained(oc, stream_index, pkt, s, 0);
> 
> -    return ret;
> +    return av_handle_error(s, ret, hls->ignore_nw_err);
> }
> 
> static int hls_write_trailer(struct AVFormatContext *s)
> @@ -2835,6 +2836,7 @@ static const AVOption options[] = {
>     {"master_pl_publish_rate", "Publish master play list every after this many segment intervals", OFFSET(master_publish_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, UINT_MAX, E},
>     {"http_persistent", "Use persistent HTTP connections", OFFSET(http_persistent), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
>     {"timeout", "set timeout for socket I/O operations", OFFSET(timeout), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT_MAX, .flags = E },
> +    { "ignore_nw_error", "Ignores any non-fatal network errors during muxing", OFFSET(ignore_nw_err), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
>     { NULL },
> };
> 
> -- 
> 1.9.1
> 
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LGTM
Thanks
Steven