On 6/9/2020 5:48 AM, Linjie Fu wrote:
> Signed-off-by: Linjie Fu <linjie...@intel.com>
> ---
> Should be squashed with:
> https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1434
>
> fftools/ffmpeg.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> index 5859781..8cdd532 100644
> --- a/fftools/ffmpeg.c
> +++ b/fftools/ffmpeg.c
> @@ -130,6 +130,7 @@ static void do_video_stats(OutputStream *ost, int
> frame_size);
> static BenchmarkTimeStamps get_benchmark_time_stamps(void);
> static int64_t getmaxrss(void);
> static int ifilter_has_all_input_formats(FilterGraph *fg);
> +static void flush_encoders(void);
>
> static int run_as_daemon = 0;
> static int nb_frames_dup = 0;
> @@ -1058,11 +1059,21 @@ static void do_video_out(OutputFile *of,
>
> if (next_picture && (enc->width != next_picture->width ||
> enc->height != next_picture->height)) {
> + flush_encoders();
> + avcodec_flush_buffers(enc);
This only works for a limited amount of encoders that set the
AV_CODEC_CAP_ENCODER_FLUSH codec capability, and it's a no-op after
emitting a warning otherwise.
> if (!(enc->codec->capabilities & AV_CODEC_CAP_VARIABLE_DIMENSIONS)) {
> av_log(NULL, AV_LOG_ERROR, "Variable dimension encoding "
> "is not supported by %s.\n", enc->codec->name);
> goto error;
> }
> +
> + enc->width = next_picture->width;
> + enc->height = next_picture->height;
> +
> + if (enc->codec->close(enc) < 0)
> + goto error;
> + if (enc->codec->init(enc) < 0)
> + goto error;
> }
>
> if (ost->source_index >= 0)
>
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