diff options
| author | Paul B Mahol <onemda@gmail.com> | 2023-10-02 19:29:26 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2023-10-02 20:31:28 +0200 |
| commit | a1b29ab60d20ccd45ec99dddcf52db06e1de5c60 (patch) | |
| tree | 946f34ea670cfbecec4eee0404eec1cda8de96c3 /libavcodec/mlpenc.c | |
| parent | 0be5da9cfa745ca734c50d75491fd2d79c374789 (diff) | |
avcodec/mlpenc: increase compression ratio even more, fix LPC parameters
Diffstat (limited to 'libavcodec/mlpenc.c')
| -rw-r--r-- | libavcodec/mlpenc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c index cb4eabbae2..5bf2607ca2 100644 --- a/libavcodec/mlpenc.c +++ b/libavcodec/mlpenc.c @@ -41,7 +41,7 @@ #define MLP_MIN_LPC_ORDER 1 #define MLP_MAX_LPC_ORDER 8 -#define MLP_MIN_LPC_SHIFT 8 +#define MLP_MIN_LPC_SHIFT 0 #define MLP_MAX_LPC_SHIFT 15 typedef struct { @@ -1334,13 +1334,12 @@ static void set_filter_params(MLPEncodeContext *ctx, } else if (filter == IIR) { fp->order = 0; } else if (filter == FIR) { - const int max_order = (ctx->substream_info & SUBSTREAM_INFO_HIGH_RATE) - ? 4 : MLP_MAX_LPC_ORDER; + const int max_order = MAX_FIR_ORDER; int32_t *sample_buffer = ctx->sample_buffer + channel; int32_t coefs[MAX_LPC_ORDER][MAX_LPC_ORDER]; int32_t *lpc_samples = ctx->lpc_sample_buffer; int32_t *fcoeff = ctx->cur_channel_params[channel].coeff[filter]; - int shift[MLP_MAX_LPC_ORDER]; + int shift[MAX_LPC_ORDER]; int order; for (unsigned int i = 0; i < ctx->number_of_samples; i++) { |