On Wed, Jun 28, 2017 at 03:02:42PM +0300, ffm...@a.legko.ru wrote: > > subject: when input sample stops, input thread stops too (withous > restart), thus, breaking the streaming and loop mode does not affect > this. touches only multistream (multiprog) mode, when threads are > used. >
> ffmpeg.c | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> 0884edd00a6d3466d157519a0d48763545f44087
> 0001-add-support-for-samples-looping-threaded-mode-thread.patch
> From d8310311a3c1a1828eacd4b45b31f9a723b5ee2b Mon Sep 17 00:00:00 2001
> From: root <ffm...@scil.sinp.msu.ru>
Missing name (unless you do not want to have your name in the Author
field)
> Date: Wed, 28 Jun 2017 14:53:40 +0300
> Subject: [PATCH 1/3] add support for samples looping (threaded mode; thread
> stops after decoding input)
>
> ---
> ffmpeg.c | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/ffmpeg.c b/ffmpeg.c
> index a783e6e..2866754 100644
> --- a/ffmpeg.c
> +++ b/ffmpeg.c
> @@ -4013,6 +4013,29 @@ static void free_input_threads(void)
> }
> }
>
> +static int init_input_thread(int i)
> +{
> + int ret;
> +
> + if (nb_input_files == 1)
> + return 0;
> +
> + InputFile *f = input_files[i];
mixing declaration and statment
> + if (f->ctx->pb ? !f->ctx->pb->seekable :
> + strcmp(f->ctx->iformat->name, "lavfi"))
> + f->non_blocking = 1;
> + ret = av_thread_message_queue_alloc(&f->in_thread_queue,
> + f->thread_queue_size, sizeof(AVPacket));
> + if (ret < 0)
> + return ret;
> + if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
> + av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to
> increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
> + av_thread_message_queue_free(&f->in_thread_queue);
> + return AVERROR(ret);
> + }
> +return 0;
the indention is inconsistent
> +}
> +
> static int init_input_threads(void)
> {
> int i, ret;
> @@ -4191,9 +4214,13 @@ static int process_input(int file_index)
> ifile->eagain = 1;
> return ret;
> }
> +
> if (ret < 0 && ifile->loop) {
> if ((ret = seek_to_start(ifile, is)) < 0)
> return ret;
> +#if HAVE_PTHREADS
> + init_input_thread(file_index);
The function returns an error code which is never used
> +#endif
> ret = get_input_packet(ifile, &pkt);
> if (ret == AVERROR(EAGAIN)) {
> ifile->eagain = 1;
> --
> 2.7.4
>
> _______________________________________________
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> ffmpeg-devel@ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The worst form of inequality is to try to make unequal things equal.
-- Aristotle
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