X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wmadec_filter.c;h=ce8d7e87501211031c8d0d056ae48e0c05665338;hp=be726108818b826ebc4a7f17ac773eb31a1786b8;hb=24758c5f;hpb=1d5d66070093bcac96de40dd6bced93ab7bc15a8 diff --git a/wmadec_filter.c b/wmadec_filter.c index be726108..ce8d7e87 100644 --- a/wmadec_filter.c +++ b/wmadec_filter.c @@ -17,7 +17,6 @@ #define _XOPEN_SOURCE 600 -#include #include #include #include @@ -75,7 +74,6 @@ struct private_wmadec_data { int byte_offset_bits; /** Only used if use_exp_vlc is true. */ struct vlc exp_vlc; - int exponent_sizes[BLOCK_NB_SIZES]; uint16_t exponent_bands[BLOCK_NB_SIZES][25]; /** The index of the first coef in high band. */ int high_band_start[BLOCK_NB_SIZES]; @@ -229,8 +227,9 @@ static void compute_scale_factor_band_sizes(struct private_wmadec_data *pwd, const uint8_t *table; for (k = 0; k < pwd->nb_block_sizes; k++) { - block_len = pwd->frame_len >> k; + int exponent_size; + block_len = pwd->frame_len >> k; table = NULL; a = pwd->frame_len_bits - BLOCK_MIN_BITS - k; if (a < 3) { @@ -245,7 +244,7 @@ static void compute_scale_factor_band_sizes(struct private_wmadec_data *pwd, n = *table++; for (i = 0; i < n; i++) pwd->exponent_bands[k][i] = table[i]; - pwd->exponent_sizes[k] = n; + exponent_size = n; } else { j = 0; lpos = 0; @@ -262,7 +261,7 @@ static void compute_scale_factor_band_sizes(struct private_wmadec_data *pwd, break; lpos = pos; } - pwd->exponent_sizes[k] = j; + exponent_size = j; } /* max number of coefs */ @@ -270,7 +269,7 @@ static void compute_scale_factor_band_sizes(struct private_wmadec_data *pwd, /* high freq computation */ pwd->high_band_start[k] = (int) ((block_len * 2 * high_freq) / ahi->sample_rate + 0.5); - n = pwd->exponent_sizes[k]; + n = exponent_size; j = 0; pos = 0; for (i = 0; i < n; i++) { @@ -1214,11 +1213,11 @@ static int wmadec_execute(struct btr_node *btrn, const char *cmd, char **result) static void wmadec_post_select(__a_unused struct sched *s, struct task *t) { struct filter_node *fn = container_of(t, struct filter_node, task); - int ret, converted; + int ret, converted, out_size; struct private_wmadec_data *pwd = fn->private_data; struct btr_node *btrn = fn->btrn; size_t len; - char *in; + char *in, *out; next_buffer: converted = 0; @@ -1247,29 +1246,27 @@ next_buffer: goto success; } fn->min_iqs = WMA_FRAME_SKIP + pwd->ahi.block_align; - for (;;) { - char *out; - int out_size = WMA_OUTPUT_BUFFER_SIZE; - if (converted + fn->min_iqs > len) - break; - out = para_malloc(WMA_OUTPUT_BUFFER_SIZE); - ret = wma_decode_superframe(pwd, out, - &out_size, (uint8_t *)in + converted + WMA_FRAME_SKIP, - len - WMA_FRAME_SKIP); - if (ret < 0) { - free(out); - goto err; - } - btr_add_output(out, out_size, btrn); - converted += ret + WMA_FRAME_SKIP; + if (fn->min_iqs > len) + goto success; + out_size = WMA_OUTPUT_BUFFER_SIZE; + out = para_malloc(out_size); + ret = wma_decode_superframe(pwd, out, &out_size, + (uint8_t *)in + WMA_FRAME_SKIP, len - WMA_FRAME_SKIP); + if (ret < 0) { + free(out); + goto err; } + out = para_realloc(out, out_size); + if (out_size > 0) + btr_add_output(out, out_size, btrn); + converted += ret + WMA_FRAME_SKIP; success: btr_consume(btrn, converted); return; err: assert(ret < 0); t->error = ret; - btr_remove_node(btrn); + btr_remove_node(&fn->btrn); } static void wmadec_open(struct filter_node *fn)