diff mbox series

[FFmpeg-devel,15/17] avcodec/mlpenc: Remove dead channel layout checks

Message ID GV1P250MB0737ACD0EEE5C6FEC153473D8F4A9@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM
State Accepted
Commit 65dbc83eec2656786b901ed15569d7044c6c6dee
Headers show
Series [FFmpeg-devel,01/17] avcodec/avcodec: Uninitialize AVChannelLayout before overwriting it | expand

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Commit Message

Andreas Rheinhardt Sept. 18, 2022, 8:27 p.m. UTC
ff_encode_preinit() has already checked that the channel layout
is equivalent to one of the layouts in AVCodec.ch_layouts.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/mlpenc.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

Comments

Paul B Mahol Sept. 21, 2022, 7:14 a.m. UTC | #1
On 9/18/22, Andreas Rheinhardt <andreas.rheinhardt@outlook.com> wrote:
> ff_encode_preinit() has already checked that the channel layout
> is equivalent to one of the layouts in AVCodec.ch_layouts.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
> ---
>  libavcodec/mlpenc.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
>


lgtm

> diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c
> index d2e28888f7..878c5aedc1 100644
> --- a/libavcodec/mlpenc.c
> +++ b/libavcodec/mlpenc.c
> @@ -27,6 +27,7 @@
>  #include "encode.h"
>  #include "put_bits.h"
>  #include "audio_frame_queue.h"
> +#include "libavutil/avassert.h"
>  #include "libavutil/channel_layout.h"
>  #include "libavutil/crc.h"
>  #include "libavutil/avstring.h"
> @@ -602,12 +603,11 @@ static av_cold int mlp_encode_init(AVCodecContext
> *avctx)
>          };
>          int i;
>
> -        for (i = 0; i < FF_ARRAY_ELEMS(layout_arrangement); i++)
> +        for (i = 0;; i++) {
> +            av_assert1(i < FF_ARRAY_ELEMS(layout_arrangement) ||
> +                       !"Impossible channel layout");
>              if (channels_present == layout_arrangement[i])
>                  break;
> -        if (i == FF_ARRAY_ELEMS(layout_arrangement)) {
> -            av_log(avctx, AV_LOG_ERROR, "Unsupported channel
> arrangement\n");
> -            return AVERROR(EINVAL);
>          }
>          ctx->channel_arrangement = i;
>          ctx->flags = FLAGS_DVDA;
> @@ -640,8 +640,7 @@ static av_cold int mlp_encode_init(AVCodecContext
> *avctx)
>              ctx->channel_arrangement = 15;
>              ctx->thd_substream_info  = 0x104;
>          } else {
> -            av_log(avctx, AV_LOG_ERROR, "Unsupported channel
> arrangement\n");
> -            return AVERROR(EINVAL);
> +            av_assert1(!"AVCodec.ch_layouts needs to be updated");
>          }
>          ctx->flags = 0;
>          ctx->channel_occupancy = 0;
> --
> 2.34.1
>
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> ffmpeg-devel@ffmpeg.org
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>
diff mbox series

Patch

diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c
index d2e28888f7..878c5aedc1 100644
--- a/libavcodec/mlpenc.c
+++ b/libavcodec/mlpenc.c
@@ -27,6 +27,7 @@ 
 #include "encode.h"
 #include "put_bits.h"
 #include "audio_frame_queue.h"
+#include "libavutil/avassert.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/crc.h"
 #include "libavutil/avstring.h"
@@ -602,12 +603,11 @@  static av_cold int mlp_encode_init(AVCodecContext *avctx)
         };
         int i;
 
-        for (i = 0; i < FF_ARRAY_ELEMS(layout_arrangement); i++)
+        for (i = 0;; i++) {
+            av_assert1(i < FF_ARRAY_ELEMS(layout_arrangement) ||
+                       !"Impossible channel layout");
             if (channels_present == layout_arrangement[i])
                 break;
-        if (i == FF_ARRAY_ELEMS(layout_arrangement)) {
-            av_log(avctx, AV_LOG_ERROR, "Unsupported channel arrangement\n");
-            return AVERROR(EINVAL);
         }
         ctx->channel_arrangement = i;
         ctx->flags = FLAGS_DVDA;
@@ -640,8 +640,7 @@  static av_cold int mlp_encode_init(AVCodecContext *avctx)
             ctx->channel_arrangement = 15;
             ctx->thd_substream_info  = 0x104;
         } else {
-            av_log(avctx, AV_LOG_ERROR, "Unsupported channel arrangement\n");
-            return AVERROR(EINVAL);
+            av_assert1(!"AVCodec.ch_layouts needs to be updated");
         }
         ctx->flags = 0;
         ctx->channel_occupancy = 0;