#include <string.h>
#include <regex.h>
#include <sys/select.h>
+#include <stdbool.h>
#include "para.h"
#include "error.h"
#include "ggo.h"
#include "string.h"
#include "sched.h"
+#include "buffer_tree.h"
#include "filter.h"
#include "bitstream.h"
#include "imdct.h"
#define VLCBITS 9
#define VLCMAX ((22 + VLCBITS - 1) / VLCBITS)
-#define SINE_WINDOW(x) float sine_ ## x[x] __aligned(16)
+#define SINE_WINDOW(x) float sine_ ## x[x] __a_aligned(16)
SINE_WINDOW(128);
SINE_WINDOW(256);
goto fail;
samples += pwd->ahi.channels * pwd->frame_len;
}
- PARA_DEBUG_LOG("frame_len: %d, block_len: %d, outbytes: %zd, eaten: %d\n",
+ PARA_DEBUG_LOG("frame_len: %d, block_len: %d, outbytes: %d, eaten: %d\n",
pwd->frame_len, pwd->block_len,
- (int8_t *) samples - (int8_t *) data, pwd->ahi.block_align);
+ (int)((int8_t *)samples - (int8_t *)data), pwd->ahi.block_align);
*data_size = (int8_t *)samples - (int8_t *)data;
return pwd->ahi.block_align;
fail:
return ret;
}
-static ssize_t wmadec_convert(char *inbuffer, size_t len,
- struct filter_node *fn)
+static void wmadec_close(struct filter_node *fn)
{
- int ret, converted = 0;
struct private_wmadec_data *pwd = fn->private_data;
- if (len <= WMA_FRAME_SKIP)
- return 0;
+ if (!pwd)
+ return;
+ wmadec_cleanup(pwd);
+ free(fn->private_data);
+ fn->private_data = NULL;
+}
+
+static int wmadec_execute(struct btr_node *btrn, const char *cmd, char **result)
+{
+ struct filter_node *fn = btr_context(btrn);
+ struct private_wmadec_data *pwd = fn->private_data;
+
+ return decoder_execute(cmd, pwd->ahi.sample_rate, pwd->ahi.channels,
+ result);
+}
+
+#define WMA_OUTPUT_BUFFER_SIZE (128 * 1024)
+
+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;
+ struct private_wmadec_data *pwd = fn->private_data;
+ struct btr_node *btrn = fn->btrn;
+ size_t len;
+ char *in;
+
+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;
+ btr_merge(btrn, fn->min_iqs);
+ len = btr_next_buffer(btrn, (char **)&in);
+ ret = -E_WMADEC_EOF;
+ if (len < fn->min_iqs)
+ goto err;
if (!pwd) {
- ret = wma_decode_init(inbuffer, len, &pwd);
- if (ret <= 0)
- return ret;
+ ret = wma_decode_init(in, len, &pwd);
+ if (ret < 0)
+ goto err;
+ if (ret == 0) {
+ fn->min_iqs += 4096;
+ goto next_buffer;
+ }
+ fn->min_iqs = 2 * (WMA_FRAME_SKIP + pwd->ahi.block_align);
fn->private_data = pwd;
- fn->fc->channels = pwd->ahi.channels;
- fn->fc->samplerate = pwd->ahi.sample_rate;
- return pwd->ahi.header_len;
+ converted = pwd->ahi.header_len;
+ goto success;
}
+ fn->min_iqs = WMA_FRAME_SKIP + pwd->ahi.block_align;
for (;;) {
- int out_size;
- if (converted + WMA_FRAME_SKIP + pwd->ahi.block_align > len)
+ char *out;
+ int out_size = WMA_OUTPUT_BUFFER_SIZE;
+ if (converted + fn->min_iqs > len)
break;
- out_size = fn->bufsize - fn->loaded;
- if (out_size < 128 * 1024)
- break;
- ret = wma_decode_superframe(pwd, fn->buf + fn->loaded,
- &out_size, (uint8_t *)inbuffer + converted + WMA_FRAME_SKIP,
+ 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)
- return ret;
- fn->loaded += out_size;
+ if (ret < 0) {
+ free(out);
+ goto err;
+ }
+ btr_add_output(out, out_size, btrn);
converted += ret + WMA_FRAME_SKIP;
}
- return converted;
-}
-
-static void wmadec_close(struct filter_node *fn)
-{
- struct private_wmadec_data *pwd = fn->private_data;
-
- if (!pwd)
- return;
- wmadec_cleanup(pwd);
- free(fn->buf);
- fn->buf = NULL;
- free(fn->private_data);
- fn->private_data = NULL;
+success:
+ btr_consume(btrn, converted);
+ return;
+err:
+ assert(ret < 0);
+ t->error = ret;
+ btr_remove_node(btrn);
}
static void wmadec_open(struct filter_node *fn)
{
- fn->bufsize = 1024 * 1024;
- fn->buf = para_malloc(fn->bufsize);
fn->private_data = NULL;
- fn->loaded = 0;
+ fn->min_iqs = 4096;
}
/**
{
f->open = wmadec_open;
f->close = wmadec_close;
- f->convert = wmadec_convert;
+ f->execute = wmadec_execute;
+ f->pre_select = generic_filter_pre_select;
+ f->post_select = wmadec_post_select;
}