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commit b8daba42cdb4b91e793b91ef3055797b0b7611bd Author: Niklas Haas <[email protected]> AuthorDate: Mon Jan 26 11:54:35 2026 +0100 Commit: Niklas Haas <[email protected]> CommitDate: Sat Feb 7 10:02:36 2026 +0000 avformat/http: report connection statistics Helpful to track the impact of options like -multiple_requests, -probing_size or -short_seek_size. --- libavformat/http.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/libavformat/http.c b/libavformat/http.c index b0803f26aa..805e3eff9f 100644 --- a/libavformat/http.c +++ b/libavformat/http.c @@ -148,6 +148,14 @@ typedef struct HTTPContext { int reconnect_delay_total_max; uint64_t initial_request_size; int partial_requests; /* whether or not to limit requests to initial_request_size */ + /* Connection statistics */ + int nb_connections; + int nb_requests; + int nb_retries; + int nb_reconnects; + int nb_redirects; + int sum_latency; /* divide by nb_requests */ + int max_latency; } HTTPContext; #define OFFSET(x) offsetof(HTTPContext, x) @@ -300,6 +308,7 @@ static int http_open_cnx_internal(URLContext *h, AVDictionary **options) ff_url_join(buf, sizeof(buf), lower_proto, NULL, hostname, port, NULL); if (!s->hd) { + s->nb_connections++; err = ffurl_open_whitelist(&s->hd, buf, AVIO_FLAG_READ_WRITE, &h->interrupt_callback, options, h->protocol_whitelist, h->protocol_blacklist, h); @@ -430,6 +439,7 @@ redo: if (reconnect_delay > s->reconnect_delay_max) goto fail; s->retry_after = 0; + s->nb_retries++; } av_log(h, AV_LOG_WARNING, "Will reconnect at %"PRIu64" in %d second(s).\n", off, reconnect_delay); @@ -438,6 +448,7 @@ redo: goto fail; reconnect_delay_total += reconnect_delay; reconnect_delay = 1 + 2 * reconnect_delay; + s->nb_reconnects++; conn_attempts++; /* restore the offset (http_connect resets it) */ @@ -483,6 +494,7 @@ redo: av_free(s->location); s->location = s->new_location; s->new_location = NULL; + s->nb_redirects++; /* Restart the authentication process with the new target, which * might use a different auth mechanism. */ @@ -1654,10 +1666,16 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, } /* wait for header */ + int64_t latency = av_gettime(); err = http_read_header(h); + latency = av_gettime() - latency; if (err < 0) goto done; + s->nb_requests++; + s->sum_latency += latency; + s->max_latency = FFMAX(s->max_latency, latency); + if (s->new_location) s->off = off; @@ -2032,6 +2050,19 @@ static int http_close(URLContext *h) av_dict_free(&s->redirect_cache); av_freep(&s->new_location); av_freep(&s->uri); + + av_log(h, AV_LOG_DEBUG, "Statistics: %d connection%s, %d request%s, %d retr%s, %d reconnection%s, %d redirect%s\n", + s->nb_connections, s->nb_connections == 1 ? "" : "s", + s->nb_requests, s->nb_requests == 1 ? "" : "s", + s->nb_retries, s->nb_retries == 1 ? "y" : "ies", + s->nb_reconnects, s->nb_reconnects == 1 ? "" : "s", + s->nb_redirects, s->nb_redirects == 1 ? "" : "s"); + + if (s->nb_requests > 0) { + av_log(h, AV_LOG_DEBUG, "Latency: %.2f ms avg, %.2f ms max\n", + 1e-3 * s->sum_latency / s->nb_requests, + 1e-3 * s->max_latency); + } return ret; } _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
