vd_lavc: remove compatibility crap

All this code was needed for compatibility with very old libavcodec
versions only (such as Libav 9).

Includes some now-possible simplifications too.

1 files changed, 3 insertions, 25 deletions

diff --git a/video/decode/lavc.h b/video/decode/lavc.h
index 45d2d9b5cd..954b2c852f 100644
--- a/video/decode/lavc.h
+++ b/video/decode/lavc.h
@@ -41,25 +41,13 @@ typedef struct lavc_ctx {
     int hwdec_fmt;
     int hwdec_w;
     int hwdec_h;
-
-    // Legacy
-    bool do_dr1;
-    struct FramePool *dr1_buffer_pool;
-    struct mp_image_pool *non_dr1_pool;
 } vd_ffmpeg_ctx;
 
 struct vd_lavc_hwdec {
     enum hwdec_type type;
-    // If non-NULL: lists pairs software and hardware decoders. If the current
-    // codec is not one of the listed software decoders, probing fails.
-    // Otherwise, the AVCodecContext is initialized with the associated
-    // hardware decoder.
-    // Useful only if hw decoding requires a special codec, instead  of using
-    // the libavcodec hwaccel infrastructure.
-    const char **codec_pairs;
-    // If not-NULL: a 0 terminated list of IMGFMT_ formats, and only one of
-    // these formats is accepted in the libavcodec get_format callback.
-    const int *image_formats;
+    // If not-0: the IMGFMT_ format that should be accepted in the libavcodec
+    // get_format callback.
+    int image_format;
     int (*probe)(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
                  const char *decoder);
     int (*init)(struct lavc_ctx *ctx);
@@ -90,14 +78,4 @@ bool hwdec_check_codec_support(const char *decoder,
                                const struct hwdec_profile_entry *table);
 int hwdec_get_max_refs(struct lavc_ctx *ctx);
 
-// lavc_dr1.c
-int mp_codec_get_buffer(AVCodecContext *s, AVFrame *frame);
-void mp_codec_release_buffer(AVCodecContext *s, AVFrame *frame);
-struct FrameBuffer;
-void mp_buffer_ref(struct FrameBuffer *buffer);
-void mp_buffer_unref(struct FrameBuffer *buffer);
-bool mp_buffer_is_unique(struct FrameBuffer *buffer);
-void mp_buffer_pool_free(struct FramePool **pool);
-bool mp_buffer_check(struct FrameBuffer *buffer);
-
 #endif