On 7/18/2022 4:12 AM, Anton Khirnov wrote:
--- libavcodec/libx264.c | 52 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 51 insertions(+), 1 deletion(-)diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c index 98ec030865..5e360682e6 100644 --- a/libavcodec/libx264.c +++ b/libavcodec/libx264.c @@ -311,6 +311,25 @@ static void free_picture(AVCodecContext *ctx) pic->extra_sei.num_payloads = 0; }+static enum AVPixelFormat csp_to_pixfmt(int csp)+{ + switch (csp) { +#ifdef X264_CSP_I400 + case X264_CSP_I400: return AV_PIX_FMT_GRAY8; + case X264_CSP_I400 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_GRAY10; +#endif + case X264_CSP_I420: return AV_PIX_FMT_YUV420P; + case X264_CSP_I420 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV420P10; + case X264_CSP_I422: return AV_PIX_FMT_YUV422P; + case X264_CSP_I422 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV422P10; + case X264_CSP_I444: return AV_PIX_FMT_YUV444P; + case X264_CSP_I444 | X264_CSP_HIGH_DEPTH: return AV_PIX_FMT_YUV444P10;
We're still supporting old x264 versions, so you should add some considerations for 9 bit pixfmts. On X264_BUILD < 153, just check the value of x264_bit_depth.
+ case X264_CSP_NV12: return AV_PIX_FMT_NV12; + case X264_CSP_NV16: return AV_PIX_FMT_NV16;
Missing X264_CSP_NV21 (wrapped like X264_CSP_I400). That aside, LGTM.
+ }; + return AV_PIX_FMT_NONE; +} + static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { @@ -496,6 +515,33 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) return AVERROR_EXTERNAL;+ if (nnal && (ctx->flags & AV_CODEC_FLAG_RECON_FRAME)) {+ AVCodecInternal *avci = ctx->internal; + + av_frame_unref(avci->recon_frame); + + avci->recon_frame->format = csp_to_pixfmt(pic_out.img.i_csp); + if (avci->recon_frame->format == AV_PIX_FMT_NONE) { + av_log(ctx, AV_LOG_ERROR, + "Unhandled reconstructed frame colorspace: %d\n", + pic_out.img.i_csp); + return AVERROR(ENOSYS); + } + + avci->recon_frame->width = ctx->width; + avci->recon_frame->height = ctx->height; + for (int i = 0; i < pic_out.img.i_plane; i++) { + avci->recon_frame->data[i] = pic_out.img.plane[i]; + avci->recon_frame->linesize[i] = pic_out.img.i_stride[i]; + } + + ret = av_frame_make_writable(avci->recon_frame); + if (ret < 0) { + av_frame_unref(avci->recon_frame); + return ret; + } + } + ret = encode_nals(ctx, pkt, nal, nnal); if (ret < 0) return ret; @@ -928,6 +974,9 @@ static av_cold int X264_init(AVCodecContext *avctx) if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) x4->params.b_repeat_headers = 0;+ if (avctx->flags & AV_CODEC_FLAG_RECON_FRAME)+ x4->params.b_full_recon = 1; + if(x4->x264opts){ const char *p= x4->x264opts; while(p){ @@ -1223,7 +1272,8 @@ FFCodec ff_libx264_encoder = { .p.id = AV_CODEC_ID_H264, .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS | - AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, + AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE | + AV_CODEC_CAP_ENCODER_RECON_FRAME, .p.priv_class = &x264_class, .p.wrapper_name = "libx264", .priv_data_size = sizeof(X264Context),
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