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h264-encoder: Set async_depth=1 

This fixes stalling during encoding. The FFmpeg devs seem to think that it's
normal to change the default behaviour or their code, so this needs to be
fixed here instead.

Fixes #73
pull/74/head
Andri Yngvason 2022-09-10 15:48:13 +00:00
parent 19538c9435
commit b932f3e2e0
1 changed files with 13 additions and 3 deletions
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16
src/h264-encoder.c
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@ -34,6 +34,7 @@
#include <libavutil/hwcontext.h>
#include <libavutil/hwcontext_drm.h>
#include <libavutil/pixdesc.h>
#include <libavutil/dict.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
@ -417,7 +418,9 @@ static void h264_encoder__do_work(void* handle)
int rc = h264_encoder__encode(self, frame);
if (rc != 0) {
// TODO: log failure
char err[256];
av_strerror(rc, err, sizeof(err));
nvnc_log(NVNC_LOG_ERROR, "Failed to encode packet: %s", err);
goto failure;
}
@ -443,8 +446,10 @@ static void h264_encoder__on_work_done(void* handle)
return;
}
if (self->current_packet.len == 0)
if (self->current_packet.len == 0) {
nvnc_log(NVNC_LOG_WARNING, "Whoops, encoded packet length is 0");
return;
}
void* userdata = self->userdata;
@ -536,7 +541,12 @@ struct h264_encoder* h264_encoder_create(uint32_t width, uint32_t height,
self->codec_ctx->hw_frames_ctx =
av_buffer_ref(self->filter_out->inputs[0]->hw_frames_ctx);
rc = avcodec_open2(self->codec_ctx, codec, NULL);
AVDictionary *opts = NULL;
av_dict_set_int(&opts, "async_depth", 1, 0);
rc = avcodec_open2(self->codec_ctx, codec, &opts);
av_dict_free(&opts);
if (rc != 0)
goto avcodec_open_failure;