lavc: Mark hw_config pointer arrays as const

They are read-only just like the HWConfig structures they point to.

libavcodec/codec.h

@@ -320,7 +320,7 @@ typedef struct AVCodec {
      *
      * The user can only access this field via avcodec_get_hw_config().
      */
-    const struct AVCodecHWConfigInternal **hw_configs;
+    const struct AVCodecHWConfigInternal *const *hw_configs;
 
     /**
      * List of supported codec_tags, terminated by FF_CODEC_TAGS_END.

libavcodec/cuviddec.c

@@ -1100,7 +1100,7 @@ static const AVOption options[] = {
     { NULL }
 };
 
-static const AVCodecHWConfigInternal *cuvid_hw_configs[] = {
+static const AVCodecHWConfigInternal *const cuvid_hw_configs[] = {
     &(const AVCodecHWConfigInternal) {
         .public = {
             .pix_fmt     = AV_PIX_FMT_CUDA,

libavcodec/h263dec.c

@@ -743,7 +743,7 @@ const enum AVPixelFormat ff_h263_hwaccel_pixfmt_list_420[] = {
     AV_PIX_FMT_NONE
 };
 
-const AVCodecHWConfigInternal *ff_h263_hw_config_list[] = {
+const AVCodecHWConfigInternal *const ff_h263_hw_config_list[] = {
 #if CONFIG_H263_VAAPI_HWACCEL
     HWACCEL_VAAPI(h263),
 #endif

libavcodec/mediacodecdec.c

@@ -486,7 +486,7 @@ static void mediacodec_decode_flush(AVCodecContext *avctx)
     ff_mediacodec_dec_flush(avctx, s->ctx);
 }
 
-static const AVCodecHWConfigInternal *mediacodec_hw_configs[] = {
+static const AVCodecHWConfigInternal *const mediacodec_hw_configs[] = {
     &(const AVCodecHWConfigInternal) {
         .public          = {
             .pix_fmt     = AV_PIX_FMT_MEDIACODEC,

libavcodec/mmaldec.c

@@ -809,7 +809,7 @@ static int ffmmal_decode(AVCodecContext *avctx, void *data, int *got_frame,
     return ret;
 }
 
-static const AVCodecHWConfigInternal *mmal_hw_configs[] = {
+static const AVCodecHWConfigInternal *const mmal_hw_configs[] = {
     HW_CONFIG_INTERNAL(MMAL),
     NULL
 };

libavcodec/nvenc.c

@@ -59,7 +59,7 @@ const enum AVPixelFormat ff_nvenc_pix_fmts[] = {
     AV_PIX_FMT_NONE
 };
 
-const AVCodecHWConfigInternal *ff_nvenc_hw_configs[] = {
+const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[] = {
     HW_CONFIG_ENCODER_FRAMES(CUDA,  CUDA),
     HW_CONFIG_ENCODER_DEVICE(NONE,  CUDA),
 #if CONFIG_D3D11VA

libavcodec/nvenc.h

@@ -230,6 +230,6 @@ int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt);
 void ff_nvenc_encode_flush(AVCodecContext *avctx);
 
 extern const enum AVPixelFormat ff_nvenc_pix_fmts[];
-extern const AVCodecHWConfigInternal *ff_nvenc_hw_configs[];
+extern const AVCodecHWConfigInternal *const ff_nvenc_hw_configs[];
 
 #endif /* AVCODEC_NVENC_H */

libavcodec/qsvdec.c

@@ -43,7 +43,7 @@
 #include "qsv_internal.h"
 #include "qsvdec.h"
 
-const AVCodecHWConfigInternal *ff_qsv_hw_configs[] = {
+const AVCodecHWConfigInternal *const ff_qsv_hw_configs[] = {
     &(const AVCodecHWConfigInternal) {
         .public = {
             .pix_fmt     = AV_PIX_FMT_QSV,

libavcodec/qsvdec.h

@@ -74,7 +74,7 @@ typedef struct QSVContext {
     int         nb_ext_buffers;
 } QSVContext;
 
-extern const AVCodecHWConfigInternal *ff_qsv_hw_configs[];
+extern const AVCodecHWConfigInternal *const ff_qsv_hw_configs[];
 
 int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
                         AVFrame *frame, int *got_frame, AVPacket *pkt);

libavcodec/qsvenc.c

@@ -1655,7 +1655,7 @@ int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
     return 0;
 }
 
-const AVCodecHWConfigInternal *ff_qsv_enc_hw_configs[] = {
+const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[] = {
     HW_CONFIG_ENCODER_FRAMES(QSV,  QSV),
     HW_CONFIG_ENCODER_DEVICE(NV12, QSV),
     HW_CONFIG_ENCODER_DEVICE(P010, QSV),

libavcodec/qsvenc.h

@@ -98,7 +98,7 @@
 { "forced_idr",     "Forcing I frames as IDR frames",         OFFSET(qsv.forced_idr),     AV_OPT_TYPE_BOOL,{ .i64 = 0  },  0,          1, VE },                         \
 { "low_power", "enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.)", OFFSET(qsv.low_power), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, VE},\
 
-extern const AVCodecHWConfigInternal *ff_qsv_enc_hw_configs[];
+extern const AVCodecHWConfigInternal *const ff_qsv_enc_hw_configs[];
 
 typedef int SetEncodeCtrlCB (AVCodecContext *avctx,
                              const AVFrame *frame, mfxEncodeCtrl* enc_ctrl);

libavcodec/rkmppdec.c

@@ -548,7 +548,7 @@ static void rkmpp_flush(AVCodecContext *avctx)
         av_log(avctx, AV_LOG_ERROR, "Failed to reset MPI (code = %d)\n", ret);
 }
 
-static const AVCodecHWConfigInternal *rkmpp_hw_configs[] = {
+static const AVCodecHWConfigInternal *const rkmpp_hw_configs[] = {
     HW_CONFIG_INTERNAL(DRM_PRIME),
     NULL
 };

libavcodec/vaapi_encode.c

@@ -28,7 +28,7 @@
 #include "encode.h"
 #include "avcodec.h"
 
-const AVCodecHWConfigInternal *ff_vaapi_encode_hw_configs[] = {
+const AVCodecHWConfigInternal *const ff_vaapi_encode_hw_configs[] = {
     HW_CONFIG_ENCODER_FRAMES(VAAPI, VAAPI),
     NULL,
 };

libavcodec/vaapi_encode.h

@@ -49,7 +49,7 @@ enum {
     MAX_TILE_COLS          = 20,
 };
 
-extern const AVCodecHWConfigInternal *ff_vaapi_encode_hw_configs[];
+extern const AVCodecHWConfigInternal *const ff_vaapi_encode_hw_configs[];
 
 enum {
     PICTURE_TYPE_IDR = 0,