[FFmpeg-devel] [PATCH v2] avcodec/aacdec_lpd: remove unused local variables

[Leo Izen]

On 6/21/24 5:20 PM, Leo Izen wrote:
> int idx, and int first_tcx_flag are set but not used, so this commit
> removes their declarations and assignments.
> ---
>   libavcodec/aac/aacdec_lpd.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/libavcodec/aac/aacdec_lpd.c b/libavcodec/aac/aacdec_lpd.c
> index 796edd2ab5..91a3268889 100644
> --- a/libavcodec/aac/aacdec_lpd.c
> +++ b/libavcodec/aac/aacdec_lpd.c
> @@ -99,7 +99,7 @@ static void parse_qn(GetBitContext *gb, int *qn, int nk_mode, int no_qn)
>   static int parse_codebook_idx(GetBitContext *gb, uint32_t *kv,
>                                 int nk_mode, int no_qn)
>   {
> -    int idx, n, nk;
> +    int n, nk;
>   
>       int qn[2];
>       parse_qn(gb, qn, nk_mode, no_qn);
> @@ -114,7 +114,7 @@ static int parse_codebook_idx(GetBitContext *gb, uint32_t *kv,
>           }
>       }
>   
> -    idx = get_bits(gb, 4*n);
> +    skip_bits(gb, 4*n);
>   
>       if (nk > 0)
>           for (int i = 0; i < 8; i++)
> @@ -145,7 +145,6 @@ int ff_aac_ldp_parse_channel_stream(AACDecContext *ac, AACUSACConfig *usac,
>       int k;
>       const uint8_t *mod;
>       int first_ldp_flag;
> -    int first_tcx_flag;
>   
>       ce->ldp.acelp_core_mode = get_bits(gb, 3);
>       ce->ldp.lpd_mode = get_bits(gb, 5);
> @@ -157,7 +156,6 @@ int ff_aac_ldp_parse_channel_stream(AACDecContext *ac, AACUSACConfig *usac,
>       mod = ff_aac_lpd_mode_tab[ce->ldp.lpd_mode];
>   
>       first_ldp_flag = !ce->ldp.core_mode_last;
> -    first_tcx_flag = 1;
>       if (first_ldp_flag)
>           ce->ldp.last_lpd_mode = -1; /* last_ldp_mode is a **STATEFUL** value */
>   
> @@ -179,7 +177,6 @@ int ff_aac_ldp_parse_channel_stream(AACDecContext *ac, AACUSACConfig *usac,
>   //            parse_tcx_coding();
>               ce->ldp.last_lpd_mode = mod[k];
>               k += (1 << (mod[k] - 1));
> -            first_tcx_flag = 0;
>           }
>       }
>   

Bumping for review.

- Leo Izen (Traneptora)