[FFmpeg-devel] [PATCH v1] avcodec/v210enc: add yuv420p/yuv420p10 input pixel format support
lance.lmwang at gmail.com
lance.lmwang at gmail.com
Fri Sep 20 18:55:17 EEST 2019
From: Limin Wang <lance.lmwang at gmail.com>
Signed-off-by: Limin Wang <lance.lmwang at 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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