On 2024-08-11 04:03 pm, Gyan Doshi wrote:
x265 added support for alpha starting with build 210.
While doing so, x265_encoder_encode() changed its fifth arg to
an array of pointers to x265_picture. This broke building lavc/libx265.c

This patch simply unbreaks the build and maintains existing single-layer
non-alpha encoding support.

Fixes #11130

Plan to push tomorrow. Building with x265 HEAD has been broken for over a week now.

Regards,
Gyan

---
  libavcodec/libx265.c | 40 ++++++++++++++++++++++++++++++----------
  1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index 0dc7ab6eeb..3bc3b5a03e 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -661,7 +661,13 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
  {
      libx265Context *ctx = avctx->priv_data;
      x265_picture x265pic;
-    x265_picture x265pic_out = { 0 };
+#if X265_BUILD >= 210
+    x265_picture x265pic_layers_out[MAX_SCALABLE_LAYERS];
+    x265_picture* x265pic_lyrptr_out[MAX_SCALABLE_LAYERS];
+#else
+    x265_picture x265pic_solo_out = { 0 };
+#endif
+    x265_picture* x265pic_out;
      x265_nal *nal;
      x265_sei *sei;
      uint8_t *dst;
@@ -798,8 +804,16 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
  #endif
      }
+#if X265_BUILD >= 210
+    for (i = 0; i < MAX_SCALABLE_LAYERS; i++)
+        x265pic_lyrptr_out[i] = &x265pic_layers_out[i];
+
+    ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
+                                   pic ? &x265pic : NULL, x265pic_lyrptr_out);
+#else
      ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
-                                   pic ? &x265pic : NULL, &x265pic_out);
+                                   pic ? &x265pic : NULL, &x265pic_solo_out);
+#endif
for (i = 0; i < sei->numPayloads; i++)
          av_free(sei->payloads[i].payload);
@@ -829,10 +843,16 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
              pkt->flags |= AV_PKT_FLAG_KEY;
      }
- pkt->pts = x265pic_out.pts;
-    pkt->dts = x265pic_out.dts;
+#if X265_BUILD >= 210
+    x265pic_out = x265pic_lyrptr_out[0];
+#else
+    x265pic_out = &x265pic_solo_out;
+#endif
+
+    pkt->pts = x265pic_out->pts;
+    pkt->dts = x265pic_out->dts;
- switch (x265pic_out.sliceType) {
+    switch (x265pic_out->sliceType) {
      case X265_TYPE_IDR:
      case X265_TYPE_I:
          pict_type = AV_PICTURE_TYPE_I;
@@ -850,16 +870,16 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
      }
#if X265_BUILD >= 130
-    if (x265pic_out.sliceType == X265_TYPE_B)
+    if (x265pic_out->sliceType == X265_TYPE_B)
  #else
-    if (x265pic_out.frameData.sliceType == 'b')
+    if (x265pic_out->frameData.sliceType == 'b')
  #endif
          pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
- ff_side_data_set_encoder_stats(pkt, x265pic_out.frameData.qp * FF_QP2LAMBDA, NULL, 0, pict_type);
+    ff_side_data_set_encoder_stats(pkt, x265pic_out->frameData.qp * 
FF_QP2LAMBDA, NULL, 0, pict_type);
- if (x265pic_out.userData) {
-        int idx = (int)(intptr_t)x265pic_out.userData - 1;
+    if (x265pic_out->userData) {
+        int idx = (int)(intptr_t)x265pic_out->userData - 1;
          ReorderedData *rd = &ctx->rd[idx];
pkt->duration = rd->duration;

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