On 7/9/2019 3:34 PM, Derek Buitenhuis wrote:
> Port to the new send/receive API by: James Almer <jamr...@gmail.com>.
>
> Signed-off-by: Derek Buitenhuis <derek.buitenh...@gmail.com>
> ---
> Lots of stuff happened since v3!
>
> * The C API / library is now in rav1e's main repo, and officially supported.
> * rav1e will bump the soname and pkg-config version on any breaking changes.
> * C API is now as fast as the Rust API.
> * Added two pass support.
> * Added min quantizer support.
> * Added tiles / speed to AVOptions.
> * Mapped min/max keyint.
> * Applied all the fixes requested in the last round.
> ---
> configure | 4 +
> doc/encoders.texi | 37 +++
> doc/general.texi | 7 +
> libavcodec/Makefile | 1 +
> libavcodec/allcodecs.c | 1 +
> libavcodec/librav1e.c | 578 +++++++++++++++++++++++++++++++++++++++++
> 6 files changed, 628 insertions(+)
> create mode 100644 libavcodec/librav1e.c
> +static int get_stats(AVCodecContext *avctx, int eos)
> +{
> + librav1eContext *ctx = avctx->priv_data;
> + uint8_t *buf;
> + size_t buf_size = 0;
> +
> + buf = rav1e_twopass_out(ctx->ctx, &buf_size);
> + if (!buf)
> + return 0;
> +
> + if (!eos) {
> + uint8_t *tmp = av_fast_realloc(ctx->pass_data, &ctx->pass_size,
> + ctx->pass_pos + buf_size);
Just use av_reallocp(). Each call will make the buffer bigger, so you're
not really making use the no-op benefits from av_fast_realloc(), which
only trigger if newsize <= size.
> +static av_cold int librav1e_encode_init(AVCodecContext *avctx)
> +{
> + librav1eContext *ctx = avctx->priv_data;
> + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
> + RaConfig *cfg = NULL;
> + int rret;
> + int ret = 0;
> +
> + cfg = rav1e_config_default();
> + if (!cfg) {
> + av_log(avctx, AV_LOG_ERROR, "Could not allocate rav1e config.\n");
> + return AVERROR_EXTERNAL;
> + }
> +
> + rav1e_config_set_time_base(cfg, (RaRational) {
> + avctx->time_base.num * avctx->ticks_per_frame,
> + avctx->time_base.den
> + });
> +
> + if (avctx->flags & AV_CODEC_FLAG_PASS2) {
> + if (!avctx->stats_in) {
> + av_log(avctx, AV_LOG_ERROR, "No stats file provided for second
> pass.\n");
> + ret = AVERROR(EINVAL);
> + goto end;
> + }
> +
> + ctx->pass_size = (strlen(avctx->stats_in) * 3) / 4;
AV_BASE64_DECODE_SIZE(strlen(avctx->stats_in));
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