X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wmadec_filter.c;h=e58754f5f5658886f8e4d9c238b5093db1980dbe;hp=c6eb0b1cad291bce42f3eda474a9a9c62a28c8b3;hb=01a7db579a518a1a03b940a5a42411e49123ac1b;hpb=63aab30b55d5809704a2d0e1c4e8de20e8228d7d diff --git a/wmadec_filter.c b/wmadec_filter.c index c6eb0b1c..e58754f5 100644 --- a/wmadec_filter.c +++ b/wmadec_filter.c @@ -25,7 +25,6 @@ #include #include #include -#include #include "para.h" #include "error.h" @@ -72,7 +71,9 @@ struct private_wmadec_data { int use_exp_vlc; /** Whether perceptual noise is added. */ int use_noise_coding; + /** Depends on number of the bits per second and the frame length. */ 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]; @@ -503,9 +504,8 @@ static int wma_decode_init(char *initial_buf, int len, struct private_wmadec_dat if (pwd->use_exp_vlc) { PARA_INFO_LOG("using exp_vlc\n"); - init_vlc(&pwd->exp_vlc, EXPVLCBITS, - sizeof(wma_scale_huffbits), wma_scale_huffbits, - wma_scale_huffcodes, 4); + init_vlc(&pwd->exp_vlc, EXPVLCBITS, sizeof(wma_scale_huffbits), + wma_scale_huffbits, wma_scale_huffcodes, 4); } else { PARA_INFO_LOG("using curve\n"); wma_lsp_to_curve_init(pwd, pwd->frame_len); @@ -1214,11 +1214,11 @@ 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; @@ -1247,22 +1247,20 @@ 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;