/*
- * Copyright (C) 2006-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file aacdec_filter.c paraslash's aac (m4a) decoder. */
#include <regex.h>
-#include <stdbool.h>
+#include <neaacdec.h>
#include "para.h"
+#include "portable_io.h"
#include "list.h"
#include "sched.h"
#include "ggo.h"
#include "filter.h"
#include "error.h"
#include "string.h"
-#include "aac.h"
/** Give up decoding after that many errors. */
#define MAX_ERRORS 20
NeAACDecFrameInfo frame_info;
/** whether this instance of the aac decoder is already initialized */
int initialized;
- /**
- * return value of aac_find_esds(). Used to call the right aacdec
- * init function
- */
- unsigned long decoder_length;
/** number of times the decoder returned an error */
unsigned error_count;
/** number of bytes already consumed from the imput stream */
size_t consumed_total;
- /** return value of aac_find_entry_point */
- size_t entry;
/** The number of channels of the current stream. */
unsigned int channels;
/** Current sample rate in Hz. */
unsigned int sample_rate;
};
+/*
+ * Get a new libfaad decoder handle.
+ *
+ * \return The handle returned by NeAACDecOpen().
+ */
+static NeAACDecHandle aac_open(void)
+{
+ NeAACDecHandle h = NeAACDecOpen();
+ NeAACDecConfigurationPtr c = NeAACDecGetCurrentConfiguration(h);
+
+ c->defObjectType = LC;
+ c->outputFormat = FAAD_FMT_16BIT;
+ c->downMatrix = 0;
+ NeAACDecSetConfiguration(h, c);
+ return h;
+}
+
static int aacdec_execute(struct btr_node *btrn, const char *cmd, char **result)
{
struct filter_node *fn = btr_context(btrn);
fn->private_data = NULL;
}
-static void aacdec_post_select(__a_unused struct sched *s, struct task *t)
+static int aacdec_post_select(__a_unused struct sched *s, void *context)
{
- struct filter_node *fn = container_of(t, struct filter_node, task);
+ struct filter_node *fn = context;
struct btr_node *btrn = fn->btrn;
struct private_aacdec_data *padd = fn->private_data;
int i, ret;
- unsigned char *p, *inbuf, *outbuffer;
+ char *p, *inbuf, *outbuffer;
char *btr_buf;
- size_t len, skip, consumed, loaded;
+ size_t len, consumed, loaded;
next_buffer:
- 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 **)&inbuf);
+ len = btr_next_buffer(btrn, &inbuf);
len = PARA_MIN(len, (size_t)8192);
consumed = 0;
if (!padd->initialized) {
unsigned long rate = 0;
unsigned char channels = 0;
- ret = aac_find_esds(inbuf, len, &skip, &padd->decoder_length);
+ ret = NeAACDecInit(padd->handle, (unsigned char *)inbuf,
+ len, &rate, &channels);
+ PARA_INFO_LOG("decoder init: %d\n", ret);
if (ret < 0) {
- PARA_INFO_LOG("%s\n", para_strerror(-ret));
- ret = NeAACDecInit(padd->handle, inbuf,
- len, &rate, &channels);
- PARA_INFO_LOG("decoder init: %d\n", ret);
- if (ret < 0) {
- ret = -E_AACDEC_INIT;
- goto out;
- }
- consumed = ret;
- } else {
- PARA_INFO_LOG("decoder len: %lu\n",
- padd->decoder_length);
- consumed += skip;
- p = inbuf + consumed;
ret = -E_AACDEC_INIT;
- if (NeAACDecInit2(padd->handle, p,
- padd->decoder_length, &rate,
- &channels) < 0)
- goto out;
+ goto out;
}
+ consumed = ret;
padd->sample_rate = rate;
padd->channels = channels;
- PARA_INFO_LOG("rate: %u, channels: %d\n",
+ PARA_INFO_LOG("rate: %u, channels: %u\n",
padd->sample_rate, padd->channels);
padd->initialized = 1;
}
- if (padd->decoder_length > 0) {
- consumed = 0;
- if (!padd->entry) {
- ret = aac_find_entry_point(inbuf + consumed,
- len - consumed, &skip);
- if (ret < 0) {
- ret = len;
- goto out;
- }
- consumed += skip;
- padd->entry = ret;
- PARA_INFO_LOG("entry: %zu\n", padd->entry);
- }
- ret = len;
- if (padd->consumed_total + len < padd->entry)
- goto out;
- if (padd->consumed_total < padd->entry)
- consumed = padd->entry - padd->consumed_total;
- }
- for (; consumed < len; consumed++)
- if ((inbuf[consumed] & 0xfe) == 0x20)
- break;
if (consumed >= len)
goto success;
p = inbuf + consumed;
//PARA_CRIT_LOG("consumed: %zu (%zu + %zu), have: %zu\n", padd->consumed_total + consumed,
// padd->consumed_total, consumed, len - consumed);
- outbuffer = NeAACDecDecode(padd->handle, &padd->frame_info, p,
- len - consumed);
+ outbuffer = NeAACDecDecode(padd->handle, &padd->frame_info,
+ (unsigned char *)p, len - consumed);
if (padd->frame_info.error) {
int err = padd->frame_info.error;
ret = -E_AAC_DECODE;
if (padd->error_count++ > MAX_ERRORS)
goto err;
- /* Suppress non-fatal bitstream error message at BOF/EOF */
- if (len < fn->min_iqs || padd->consumed_total == 0) {
- consumed = len;
- goto success;
- }
PARA_ERROR_LOG("%s\n", NeAACDecGetErrorMessage(err));
- PARA_ERROR_LOG("consumed: %zu + %zd + %lu\n",
+ PARA_ERROR_LOG("consumed: %zu + %zu + %lu\n",
padd->consumed_total, consumed,
padd->frame_info.bytesconsumed);
if (consumed < len)
}
err:
assert(ret < 0);
- t->error = ret;
- btr_remove_node(btrn);
+ btr_remove_node(&fn->btrn);
+ return ret;
}
/**
projects / paraslash.git / blobdiff