diff mbox series

[FFmpeg-devel,02/27] avformat/chromaprint: Add deinit function

Message ID AM7PR03MB66605CBEE0D50ADAC85CC0E68FA39@AM7PR03MB6660.eurprd03.prod.outlook.com
State Accepted
Commit dd1975b0bbcfdd7d02808b3deac43f8f4073731d
Headers show
Series [FFmpeg-devel,01/27] avformat/astenc: Simplify writing padding
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Commit Message

Andreas Rheinhardt Sept. 23, 2021, 3:28 p.m. UTC
Fixes memleaks in case the trailer is never written.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavformat/chromaprint.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Comments

Andreas Rheinhardt Sept. 25, 2021, 9:13 p.m. UTC | #1
Andreas Rheinhardt:
> Fixes memleaks in case the trailer is never written.
> 
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
> ---
>  libavformat/chromaprint.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/libavformat/chromaprint.c b/libavformat/chromaprint.c
> index 399de725d3..b7a943e126 100644
> --- a/libavformat/chromaprint.c
> +++ b/libavformat/chromaprint.c
> @@ -47,8 +47,10 @@ typedef struct ChromaprintMuxContext {
>  #endif
>  } ChromaprintMuxContext;
>  
> -static void cleanup(ChromaprintMuxContext *cpr)
> +static void deinit(AVFormatContext *s)
>  {
> +    ChromaprintMuxContext *const cpr = s->priv_data;
> +
>      if (cpr->ctx) {
>          ff_lock_avformat();
>          chromaprint_free(cpr->ctx);
> @@ -107,7 +109,6 @@ static int write_header(AVFormatContext *s)
>  
>      return 0;
>  fail:
> -    cleanup(cpr);
>      return AVERROR(EINVAL);
>  }
>  
> @@ -156,7 +157,6 @@ fail:
>          chromaprint_dealloc(fp);
>      if (enc_fp)
>          chromaprint_dealloc(enc_fp);
> -    cleanup(cpr);
>      return ret;
>  }
>  
> @@ -187,6 +187,7 @@ const AVOutputFormat ff_chromaprint_muxer = {
>      .write_header      = write_header,
>      .write_packet      = write_packet,
>      .write_trailer     = write_trailer,
> +    .deinit            = deinit,
>      .flags             = AVFMT_NOTIMESTAMPS,
>      .priv_class        = &chromaprint_class,
>  };
> 

Will apply the rest of this patchset tomorrow unless there are objections.

- Andreas
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Patch

diff --git a/libavformat/chromaprint.c b/libavformat/chromaprint.c
index 399de725d3..b7a943e126 100644
--- a/libavformat/chromaprint.c
+++ b/libavformat/chromaprint.c
@@ -47,8 +47,10 @@  typedef struct ChromaprintMuxContext {
 #endif
 } ChromaprintMuxContext;
 
-static void cleanup(ChromaprintMuxContext *cpr)
+static void deinit(AVFormatContext *s)
 {
+    ChromaprintMuxContext *const cpr = s->priv_data;
+
     if (cpr->ctx) {
         ff_lock_avformat();
         chromaprint_free(cpr->ctx);
@@ -107,7 +109,6 @@  static int write_header(AVFormatContext *s)
 
     return 0;
 fail:
-    cleanup(cpr);
     return AVERROR(EINVAL);
 }
 
@@ -156,7 +157,6 @@  fail:
         chromaprint_dealloc(fp);
     if (enc_fp)
         chromaprint_dealloc(enc_fp);
-    cleanup(cpr);
     return ret;
 }
 
@@ -187,6 +187,7 @@  const AVOutputFormat ff_chromaprint_muxer = {
     .write_header      = write_header,
     .write_packet      = write_packet,
     .write_trailer     = write_trailer,
+    .deinit            = deinit,
     .flags             = AVFMT_NOTIMESTAMPS,
     .priv_class        = &chromaprint_class,
 };