avcodec/codec, allcodecs: Constify the AVCodec API

[ffmpeg] / libavcodec / allcodecs.c

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index fb8b2ad0354b178d3d0b7e9dff7c8030786d462f..c33d5a52617153c9c1713d0ed6444d219431eff7 100644 (file)
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -27,7 +27,6 @@
 #include "config.h"
 #include "libavutil/thread.h"
 #include "avcodec.h"
-#include "version.h"
 
 extern AVCodec ff_a64multi_encoder;
 extern AVCodec ff_a64multi5_encoder;
@@ -109,6 +108,7 @@ extern AVCodec ff_eightsvx_exp_decoder;
 extern AVCodec ff_eightsvx_fib_decoder;
 extern AVCodec ff_escape124_decoder;
 extern AVCodec ff_escape130_decoder;
+extern AVCodec ff_exr_encoder;
 extern AVCodec ff_exr_decoder;
 extern AVCodec ff_ffv1_encoder;
 extern AVCodec ff_ffv1_decoder;
@@ -215,6 +215,7 @@ extern AVCodec ff_msmpeg4v2_decoder;
 extern AVCodec ff_msmpeg4v3_encoder;
 extern AVCodec ff_msmpeg4v3_decoder;
 extern AVCodec ff_msmpeg4_crystalhd_decoder;
+extern AVCodec ff_msp2_decoder;
 extern AVCodec ff_msrle_decoder;
 extern AVCodec ff_mss1_decoder;
 extern AVCodec ff_mss2_decoder;
@@ -238,6 +239,7 @@ extern AVCodec ff_pbm_encoder;
 extern AVCodec ff_pbm_decoder;
 extern AVCodec ff_pcx_encoder;
 extern AVCodec ff_pcx_decoder;
+extern AVCodec ff_pfm_encoder;
 extern AVCodec ff_pfm_decoder;
 extern AVCodec ff_pgm_encoder;
 extern AVCodec ff_pgm_decoder;
@@ -286,10 +288,12 @@ extern AVCodec ff_s302m_decoder;
 extern AVCodec ff_sanm_decoder;
 extern AVCodec ff_scpr_decoder;
 extern AVCodec ff_screenpresso_decoder;
+extern AVCodec ff_sga_decoder;
 extern AVCodec ff_sgi_encoder;
 extern AVCodec ff_sgi_decoder;
 extern AVCodec ff_sgirle_decoder;
 extern AVCodec ff_sheervideo_decoder;
+extern AVCodec ff_simbiosis_imx_decoder;
 extern AVCodec ff_smacker_decoder;
 extern AVCodec ff_smc_decoder;
 extern AVCodec ff_smvjpeg_decoder;
@@ -297,6 +301,7 @@ extern AVCodec ff_snow_encoder;
 extern AVCodec ff_snow_decoder;
 extern AVCodec ff_sp5x_decoder;
 extern AVCodec ff_speedhq_decoder;
+extern AVCodec ff_speedhq_encoder;
 extern AVCodec ff_srgc_decoder;
 extern AVCodec ff_sunrast_encoder;
 extern AVCodec ff_sunrast_decoder;
@@ -563,6 +568,7 @@ extern AVCodec ff_pcm_s64be_encoder;
 extern AVCodec ff_pcm_s64be_decoder;
 extern AVCodec ff_pcm_s64le_encoder;
 extern AVCodec ff_pcm_s64le_decoder;
+extern AVCodec ff_pcm_sga_decoder;
 extern AVCodec ff_pcm_u8_encoder;
 extern AVCodec ff_pcm_u8_decoder;
 extern AVCodec ff_pcm_u16be_encoder;
@@ -614,7 +620,9 @@ extern AVCodec ff_adpcm_g726_decoder;
 extern AVCodec ff_adpcm_g726le_encoder;
 extern AVCodec ff_adpcm_g726le_decoder;
 extern AVCodec ff_adpcm_ima_amv_decoder;
+extern AVCodec ff_adpcm_ima_amv_encoder;
 extern AVCodec ff_adpcm_ima_alp_decoder;
+extern AVCodec ff_adpcm_ima_alp_encoder;
 extern AVCodec ff_adpcm_ima_apc_decoder;
 extern AVCodec ff_adpcm_ima_apm_decoder;
 extern AVCodec ff_adpcm_ima_apm_encoder;
@@ -636,6 +644,7 @@ extern AVCodec ff_adpcm_ima_ssi_encoder;
 extern AVCodec ff_adpcm_ima_smjpeg_decoder;
 extern AVCodec ff_adpcm_ima_wav_encoder;
 extern AVCodec ff_adpcm_ima_wav_decoder;
+extern AVCodec ff_adpcm_ima_ws_encoder;
 extern AVCodec ff_adpcm_ima_ws_decoder;
 extern AVCodec ff_adpcm_ms_encoder;
 extern AVCodec ff_adpcm_ms_decoder;
@@ -682,6 +691,7 @@ extern AVCodec ff_subviewer_decoder;
 extern AVCodec ff_subviewer1_decoder;
 extern AVCodec ff_text_encoder;
 extern AVCodec ff_text_decoder;
+extern AVCodec ff_ttml_encoder;
 extern AVCodec ff_vplayer_decoder;
 extern AVCodec ff_webvtt_encoder;
 extern AVCodec ff_webvtt_decoder;
@@ -773,6 +783,8 @@ extern AVCodec ff_h263_v4l2m2m_encoder;
 extern AVCodec ff_libaom_av1_decoder;
 /* hwaccel hooks only, so prefer external decoders */
 extern AVCodec ff_av1_decoder;
+extern AVCodec ff_av1_cuvid_decoder;
+extern AVCodec ff_av1_qsv_decoder;
 extern AVCodec ff_libopenh264_encoder;
 extern AVCodec ff_libopenh264_decoder;
 extern AVCodec ff_h264_amf_encoder;
@@ -784,11 +796,6 @@ extern AVCodec ff_h264_qsv_encoder;
 extern AVCodec ff_h264_v4l2m2m_encoder;
 extern AVCodec ff_h264_vaapi_encoder;
 extern AVCodec ff_h264_videotoolbox_encoder;
-#if FF_API_NVENC_OLD_NAME
-extern AVCodec ff_nvenc_encoder;
-extern AVCodec ff_nvenc_h264_encoder;
-extern AVCodec ff_nvenc_hevc_encoder;
-#endif
 extern AVCodec ff_hevc_amf_encoder;
 extern AVCodec ff_hevc_cuvid_decoder;
 extern AVCodec ff_hevc_mediacodec_decoder;
@@ -823,7 +830,6 @@ extern AVCodec ff_vp9_mediacodec_decoder;
 extern AVCodec ff_vp9_qsv_decoder;
 extern AVCodec ff_vp9_vaapi_encoder;
 extern AVCodec ff_vp9_qsv_encoder;
-extern AVCodec ff_av1_qsv_decoder;
 
 // The iterate API is not usable with ossfuzz due to the excessive size of binaries created
 #if CONFIG_OSSFUZZ
@@ -858,45 +864,6 @@ const AVCodec *av_codec_iterate(void **opaque)
     return c;
 }
 
-#if FF_API_NEXT
-FF_DISABLE_DEPRECATION_WARNINGS
-static AVOnce av_codec_next_init = AV_ONCE_INIT;
-
-static void av_codec_init_next(void)
-{
-    AVCodec *prev = NULL, *p;
-    void *i = 0;
-    while ((p = (AVCodec*)av_codec_iterate(&i))) {
-        if (prev)
-            prev->next = p;
-        prev = p;
-    }
-}
-
-
-
-av_cold void avcodec_register(AVCodec *codec)
-{
-    ff_thread_once(&av_codec_next_init, av_codec_init_next);
-}
-
-AVCodec *av_codec_next(const AVCodec *c)
-{
-    ff_thread_once(&av_codec_next_init, av_codec_init_next);
-
-    if (c)
-        return c->next;
-    else
-        return (AVCodec*)codec_list[0];
-}
-
-void avcodec_register_all(void)
-{
-    ff_thread_once(&av_codec_next_init, av_codec_init_next);
-}
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
 static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
 {
     switch(id){
@@ -906,7 +873,7 @@ static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
     }
 }
 
-static AVCodec *find_codec(enum AVCodecID id, int (*x)(const AVCodec *))
+static const AVCodec *find_codec(enum AVCodecID id, int (*x)(const AVCodec *))
 {
     const AVCodec *p, *experimental = NULL;
     void *i = 0;
@@ -920,24 +887,24 @@ static AVCodec *find_codec(enum AVCodecID id, int (*x)(const AVCodec *))
             if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
                 experimental = p;
             } else
-                return (AVCodec*)p;
+                return p;
         }
     }
 
-    return (AVCodec*)experimental;
+    return experimental;
 }
 
-AVCodec *avcodec_find_encoder(enum AVCodecID id)
+const AVCodec *avcodec_find_encoder(enum AVCodecID id)
 {
     return find_codec(id, av_codec_is_encoder);
 }
 
-AVCodec *avcodec_find_decoder(enum AVCodecID id)
+const AVCodec *avcodec_find_decoder(enum AVCodecID id)
 {
     return find_codec(id, av_codec_is_decoder);
 }
 
-static AVCodec *find_codec_by_name(const char *name, int (*x)(const AVCodec *))
+static const AVCodec *find_codec_by_name(const char *name, int (*x)(const AVCodec *))
 {
     void *i = 0;
     const AVCodec *p;
@@ -949,18 +916,18 @@ static AVCodec *find_codec_by_name(const char *name, int (*x)(const AVCodec *))
         if (!x(p))
             continue;
         if (strcmp(name, p->name) == 0)
-            return (AVCodec*)p;
+            return p;
     }
 
     return NULL;
 }
 
-AVCodec *avcodec_find_encoder_by_name(const char *name)
+const AVCodec *avcodec_find_encoder_by_name(const char *name)
 {
     return find_codec_by_name(name, av_codec_is_encoder);
 }
 
-AVCodec *avcodec_find_decoder_by_name(const char *name)
+const AVCodec *avcodec_find_decoder_by_name(const char *name)
 {
     return find_codec_by_name(name, av_codec_is_decoder);
 }