[FFmpeg-devel] [PATCH] avcodec/libx264: Fix deprecation warnings on pix_fmts

[Zhao Zhili <quinkblack-at-foxmail.com@ffmpeg.org>]

From: Zhao Zhili <zhilizhao@tencent.com>

---
 libavcodec/allcodecs.c |  6 ++---
 libavcodec/libx264.c   | 53 +++++++++++++++++++++++++++++++++++++-----
 2 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 4e1b1c9b45..d2ec4c3045 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -811,9 +811,9 @@ extern const FFCodec ff_libvvenc_encoder;
 /* preferred over libwebp */
 extern const FFCodec ff_libwebp_anim_encoder;
 extern const FFCodec ff_libwebp_encoder;
-extern const FFCodec ff_libx262_encoder;
-extern const FFCodec ff_libx264_encoder;
-extern const FFCodec ff_libx264rgb_encoder;
+extern FFCodec ff_libx262_encoder;
+extern FFCodec ff_libx264_encoder;
+extern FFCodec ff_libx264rgb_encoder;
 extern FFCodec ff_libx265_encoder;
 extern const FFCodec ff_libxeve_encoder;
 extern const FFCodec ff_libxevd_decoder;
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 409f45fc7d..c4bc7c48f5 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -1607,6 +1607,12 @@ static const FFCodecDefault x264_defaults[] = {
     { NULL },
 };
 
+static int X264_get_supported_config(const AVCodecContext *avctx,
+                                     const AVCodec *codec,
+                                     enum AVCodecConfig config,
+                                     unsigned flags, const void **out,
+                                     int *out_num);
+
 #if CONFIG_LIBX264_ENCODER
 static const AVClass x264_class = {
     .class_name = "libx264",
@@ -1615,7 +1621,7 @@ static const AVClass x264_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const FFCodec ff_libx264_encoder = {
+FFCodec ff_libx264_encoder = {
     .p.name           = "libx264",
     CODEC_LONG_NAME("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
     .p.type           = AVMEDIA_TYPE_VIDEO,
@@ -1633,13 +1639,13 @@ const FFCodec ff_libx264_encoder = {
     .flush            = X264_flush,
     .close            = X264_close,
     .defaults         = x264_defaults,
-    .p.pix_fmts       = pix_fmts_all,
     .color_ranges     = AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG,
     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS
 #if X264_BUILD < 158
                       | FF_CODEC_CAP_NOT_INIT_THREADSAFE
 #endif
                       ,
+    .get_supported_config = X264_get_supported_config,
 };
 #endif
 
@@ -1651,7 +1657,7 @@ static const AVClass rgbclass = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const FFCodec ff_libx264rgb_encoder = {
+FFCodec ff_libx264rgb_encoder = {
     .p.name         = "libx264rgb",
     CODEC_LONG_NAME("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
     .p.type         = AVMEDIA_TYPE_VIDEO,
@@ -1659,7 +1665,6 @@ const FFCodec ff_libx264rgb_encoder = {
     .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
                       AV_CODEC_CAP_OTHER_THREADS |
                       AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
-    .p.pix_fmts     = pix_fmts_8bit_rgb,
     .p.priv_class   = &rgbclass,
     .p.wrapper_name = "libx264",
     .priv_data_size = sizeof(X264Context),
@@ -1672,6 +1677,7 @@ const FFCodec ff_libx264rgb_encoder = {
                       | FF_CODEC_CAP_NOT_INIT_THREADSAFE
 #endif
                       ,
+    .get_supported_config = X264_get_supported_config,
 };
 #endif
 
@@ -1683,7 +1689,7 @@ static const AVClass X262_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-const FFCodec ff_libx262_encoder = {
+FFCodec ff_libx262_encoder = {
     .p.name           = "libx262",
     CODEC_LONG_NAME("libx262 MPEG2VIDEO"),
     .p.type           = AVMEDIA_TYPE_VIDEO,
@@ -1691,7 +1697,6 @@ const FFCodec ff_libx262_encoder = {
     .p.capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
                         AV_CODEC_CAP_OTHER_THREADS |
                         AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
-    .p.pix_fmts       = pix_fmts_8bit,
     .color_ranges     = AVCOL_RANGE_MPEG,
     .p.priv_class     = &X262_class,
     .p.wrapper_name   = "libx264",
@@ -1702,5 +1707,41 @@ const FFCodec ff_libx262_encoder = {
     .defaults         = x264_defaults,
     .caps_internal    = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
                         FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS,
+    .get_supported_config = X264_get_supported_config,
 };
 #endif
+
+static int X264_get_supported_config(const AVCodecContext *avctx,
+                                     const AVCodec *codec,
+                                     enum AVCodecConfig config,
+                                     unsigned flags, const void **out,
+                                     int *out_num)
+{
+    if (config == AV_CODEC_CONFIG_PIX_FORMAT) {
+#if CONFIG_LIBX264_ENCODER
+        if (codec == &ff_libx264_encoder.p) {
+            *out = pix_fmts_all;
+            *out_num = FF_ARRAY_ELEMS(pix_fmts_all) - 1;
+            return 0;
+        }
+#endif
+
+#if CONFIG_LIBX264RGB_ENCODER
+        if (codec == &ff_libx264rgb_encoder.p) {
+            *out = pix_fmts_8bit_rgb;
+            *out_num = FF_ARRAY_ELEMS(pix_fmts_8bit_rgb) - 1;
+            return 0;
+        }
+#endif
+#if CONFIG_LIBX262_ENCODER
+        if (codec == &ff_libx262_encoder.p) {
+            *out = pix_fmts_8bit;
+            *out_num = FF_ARRAY_ELEMS(pix_fmts_8bit) - 1;
+        }
+#endif
+        return AVERROR(EINVAL);
+    }
+
+    return ff_default_get_supported_config(avctx, codec, config, flags, out,
+                                           out_num);
+}
-- 
2.46.0

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