On 9/20/19, lance.lmw...@gmail.com <lance.lmw...@gmail.com> wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavcodec/v210_template.c | 20 ++++++++++++++++++++
> libavcodec/v210enc.c | 8 +++++---
> 2 files changed, 25 insertions(+), 3 deletions(-)
>
> diff --git a/libavcodec/v210_template.c b/libavcodec/v210_template.c
> index 9e1d9f9..083a9f1 100644
> --- a/libavcodec/v210_template.c
> +++ b/libavcodec/v210_template.c
> @@ -43,11 +43,31 @@ static void RENAME(v210_enc)(AVCodecContext *avctx,
> const TYPE *y = (const TYPE *)pic->data[0];
> const TYPE *u = (const TYPE *)pic->data[1];
> const TYPE *v = (const TYPE *)pic->data[2];
> + const TYPE *u_even = u;
> + const TYPE *v_even = v;
> const int sample_size = 6 * s->RENAME(sample_factor);
> const int sample_w = avctx->width / sample_size;
>
> for (h = 0; h < avctx->height; h++) {
> uint32_t val;
> +
> + if (pic->format == AV_PIX_FMT_YUV420P10 ||
> + pic->format == AV_PIX_FMT_YUV420P) {
> + int mod = pic->interlaced_frame == 1 ? 4 : 2;
> + if (h % mod == 0) {
> + u_even = u;
> + v_even = v;
> + } else {
> + /* progressive chroma */
> + if (mod == 2) {
> + u = u_even;
> + v = v_even;
> + } else if (h % 4 == 2) {
> + u = u_even;
> + v = v_even;
> + }
> + }
> + }
> w = sample_w * sample_size;
> s->RENAME(pack_line)(y, u, v, dst, w);
>
> diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c
> index 16e8810..2180737 100644
> --- a/libavcodec/v210enc.c
> +++ b/libavcodec/v210enc.c
> @@ -131,9 +131,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket
> *pkt,
> }
> dst = pkt->data;
>
> - if (pic->format == AV_PIX_FMT_YUV422P10)
> + if (pic->format == AV_PIX_FMT_YUV422P10 || pic->format ==
> AV_PIX_FMT_YUV420P10)
> v210_enc_10(avctx, dst, pic);
> - else if(pic->format == AV_PIX_FMT_YUV422P)
> + else if(pic->format == AV_PIX_FMT_YUV422P || pic->format ==
> AV_PIX_FMT_YUV420P)
> v210_enc_8(avctx, dst, pic);
>
> side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
> @@ -165,5 +165,7 @@ AVCodec ff_v210_encoder = {
> .priv_data_size = sizeof(V210EncContext),
> .init = encode_init,
> .encode2 = encode_frame,
> - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10,
> AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
> + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10,
> AV_PIX_FMT_YUV422P,
> + AV_PIX_FMT_YUV420P10,
> AV_PIX_FMT_YUV420P,
> + AV_PIX_FMT_NONE },
> };
> --
> 2.6.4
>
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Why people constantly try to do this? First cinepak, now this?
Obviously not accepted.
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