X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wmadec_filter.c;h=0071337f38427cc98f341404a6819ee683352ecc;hp=e58754f5f5658886f8e4d9c238b5093db1980dbe;hb=7df87a748fae6a9f20d337d79ec83978856f0c48;hpb=128c594f32be41d928df432298a013a168891ab7 diff --git a/wmadec_filter.c b/wmadec_filter.c index e58754f5..0071337f 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]; @@ -151,6 +149,8 @@ struct private_wmadec_data { #define VLCBITS 9 #define VLCMAX DIV_ROUND_UP(22, VLCBITS) +/** \cond sine_winows */ + #define SINE_WINDOW(x) static float sine_ ## x[x] __a_aligned(16) SINE_WINDOW(128); @@ -163,6 +163,7 @@ SINE_WINDOW(4096); static float *sine_windows[6] = { sine_128, sine_256, sine_512, sine_1024, sine_2048, sine_4096 }; +/** \endcond sine_windows */ /* Generate a sine window. */ static void sine_window_init(float *window, int n) @@ -229,8 +230,9 @@ 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 +247,7 @@ 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 +264,7 @@ 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 +272,7 @@ 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++) { @@ -1211,7 +1213,7 @@ static int wmadec_execute(struct btr_node *btrn, const char *cmd, char **result) #define WMA_OUTPUT_BUFFER_SIZE (128 * 1024) -static void wmadec_post_select(__a_unused struct sched *s, struct task *t) +static int 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, out_size; @@ -1222,12 +1224,11 @@ static void wmadec_post_select(__a_unused struct sched *s, struct task *t) next_buffer: converted = 0; - t->error = 0; ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL); if (ret < 0) goto err; if (ret == 0) - return; + return 0; btr_merge(btrn, fn->min_iqs); len = btr_next_buffer(btrn, (char **)&in); ret = -E_WMADEC_EOF; @@ -1263,11 +1264,11 @@ next_buffer: converted += ret + WMA_FRAME_SKIP; success: btr_consume(btrn, converted); - return; + return 0; err: assert(ret < 0); - t->error = ret; - btr_remove_node(btrn); + btr_remove_node(&fn->btrn); + return ret; } static void wmadec_open(struct filter_node *fn)