On Sat, Jun 25, 2016 at 10:52:40PM +0530, Umair Khan wrote: > Hi, > > Patch attached. > > Umair
> libavcodec/Makefile | 2
> libavcodec/alsdec.c | 286
> +++++++++++++++++++++++++++++++++++++++++-
> libavcodec/mlz.c | 162 +++++++++++++++++++++++
> libavcodec/mlz.h | 67 +++++++++
> libavutil/softfloat_ieee754.h | 115 ++++++++++++++++
> 5 files changed, 629 insertions(+), 3 deletions(-)
> 2f99fc6d37f05089e8f312b4af0d894e22f3a829
> 0001-avcodec-als-floating-point-support-in-ALS-decoder.patch
> From 56281948ec484c19dd9009c861ded38905e1b786 Mon Sep 17 00:00:00 2001
> From: Umair Khan <omerj...@gmail.com>
> Date: Sat, 25 Jun 2016 22:48:02 +0530
> Subject: [PATCH] avcodec/als: floating point support in ALS decoder
[...]
> @@ -1798,6 +2053,33 @@ static av_cold int decode_init(AVCodecContext *avctx)
> ctx->raw_buffer = av_mallocz_array(avctx->channels * channel_size,
> sizeof(*ctx->raw_buffer));
> ctx->raw_samples = av_malloc_array(avctx->channels,
> sizeof(*ctx->raw_samples));
>
> + if (sconf->floating) {
> + ctx->acf = av_malloc_array(avctx->channels, sizeof(*ctx->acf));
> + ctx->shift_value = av_malloc_array(avctx->channels,
> sizeof(*ctx->shift_value));
> + ctx->last_shift_value = av_malloc_array(avctx->channels,
> sizeof(*ctx->last_shift_value));
> + ctx->last_acf_mantissa = av_malloc_array(avctx->channels,
> sizeof(*ctx->last_acf_mantissa));
> + ctx->raw_mantissa = av_malloc_array(avctx->channels,
> sizeof(*ctx->raw_mantissa));
> + for (int c = 0; c < avctx->channels; ++c) {
> + ctx->raw_mantissa[c] = av_malloc_array(ctx->cur_frame_length,
> sizeof(**ctx->raw_mantissa));
> + for (int i = 0; i < ctx->cur_frame_length; ++i) {
we dont use "for (int" syntax anywhere, i think some compilers had
problems with that
[...]
> +#define DIC_INDEX_MAX 32768L // 2^15
> +#define FLUSH_CODE 256
> +#define FREEZE_CODE 257
> +#define FIRST_CODE 258
> +#define MAX_CODE 32767L
> +#define TABLE_SIZE 35023L // TABLE_SIZE must be a prime number
The L postfixes shouldnt be needed, int is 32+bit in POSIX
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
What does censorship reveal? It reveals fear. -- Julian Assange
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