[libav-devel] [PATCH 1/3] avcodec: Mark argument in av_{parser|hwaccel|bitstream_filter}_next as const

[Diego Biurrun]

---
 libavcodec/avcodec.h          | 6 +++---
 libavcodec/bitstream_filter.c | 2 +-
 libavcodec/parser.c           | 2 +-
 libavcodec/utils.c            | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 2d5e60f..365b447 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3808,7 +3808,7 @@ typedef struct AVCodecParser {
     struct AVCodecParser *next;
 } AVCodecParser;
 
-AVCodecParser *av_parser_next(AVCodecParser *c);
+AVCodecParser *av_parser_next(const AVCodecParser *c);
 
 void av_register_codec_parser(AVCodecParser *parser);
 AVCodecParserContext *av_parser_init(int codec_id);
@@ -4289,7 +4289,7 @@ int av_bitstream_filter_filter(AVBitStreamFilterContext 
*bsfc,
                                const uint8_t *buf, int buf_size, int keyframe);
 void av_bitstream_filter_close(AVBitStreamFilterContext *bsf);
 
-AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f);
+AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f);
 
 /* memory */
 
@@ -4351,7 +4351,7 @@ void av_register_hwaccel(AVHWAccel *hwaccel);
  * if hwaccel is non-NULL, returns the next registered hardware accelerator
  * after hwaccel, or NULL if hwaccel is the last one.
  */
-AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel);
+AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel);
 
 
 /**
diff --git a/libavcodec/bitstream_filter.c b/libavcodec/bitstream_filter.c
index 8960b19..f524d3e 100644
--- a/libavcodec/bitstream_filter.c
+++ b/libavcodec/bitstream_filter.c
@@ -25,7 +25,7 @@
 
 static AVBitStreamFilter *first_bitstream_filter = NULL;
 
-AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f)
+AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f)
 {
     if (f)
         return f->next;
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index 080bbc3..6d20516 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -29,7 +29,7 @@
 
 static AVCodecParser *av_first_parser = NULL;
 
-AVCodecParser *av_parser_next(AVCodecParser *p)
+AVCodecParser *av_parser_next(const AVCodecParser *p)
 {
     if (p)
         return p->next;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 16c30c3..dc7ffc4 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2279,7 +2279,7 @@ void av_register_hwaccel(AVHWAccel *hwaccel)
     hwaccel->next = NULL;
 }
 
-AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
+AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
 {
     return hwaccel ? hwaccel->next : first_hwaccel;
 }
-- 
1.8.3.2

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