/*
- * Copyright (C) 2006-2010 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 "para.h"
#include "list.h"
#include "sched.h"
-#include "ggo.h"
#include "buffer_tree.h"
#include "filter.h"
#include "error.h"
/** The number of channels of the current stream. */
unsigned int channels;
/** Current sample rate in Hz. */
- unsigned int samplerate;
+ unsigned int sample_rate;
};
static int aacdec_execute(struct btr_node *btrn, const char *cmd, char **result)
struct filter_node *fn = btr_context(btrn);
struct private_aacdec_data *padd = fn->private_data;
- if (!strcmp(cmd, "samplerate")) {
- if (padd->samplerate == 0)
- return -E_BTR_NAVAIL;
- *result = make_message("%u", padd->samplerate);
- return 1;
- }
- if (!strcmp(cmd, "channels")) {
- if (padd->channels == 0)
- return -E_BTR_NAVAIL;
- *result = make_message("%u", padd->channels);
- return 1;
- }
- return -ERRNO_TO_PARA_ERROR(ENOTSUP);
+ return decoder_execute(cmd, padd->sample_rate, padd->channels, result);
}
static void aacdec_open(struct filter_node *fn)
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, iqs;
+ size_t len, skip, 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 = PARA_MAX(len, (size_t)8192);
+ len = btr_next_buffer(btrn, &inbuf);
+ len = PARA_MIN(len, (size_t)8192);
consumed = 0;
- iqs = btr_get_input_queue_size(btrn);
if (!padd->initialized) {
unsigned long rate = 0;
unsigned char channels = 0;
ret = aac_find_esds(inbuf, len, &skip, &padd->decoder_length);
if (ret < 0) {
PARA_INFO_LOG("%s\n", para_strerror(-ret));
- ret = NeAACDecInit(padd->handle, inbuf,
+ ret = NeAACDecInit(padd->handle, (unsigned char *)inbuf,
len, &rate, &channels);
PARA_INFO_LOG("decoder init: %d\n", ret);
if (ret < 0) {
consumed += skip;
p = inbuf + consumed;
ret = -E_AACDEC_INIT;
- if (NeAACDecInit2(padd->handle, p,
+ if (NeAACDecInit2(padd->handle, (unsigned char *)p,
padd->decoder_length, &rate,
- &channels) < 0)
+ &channels) != 0)
goto out;
}
- padd->samplerate = rate;
+ padd->sample_rate = rate;
padd->channels = channels;
- PARA_INFO_LOG("rate: %u, channels: %d\n",
- padd->samplerate, padd->channels);
+ PARA_INFO_LOG("rate: %u, channels: %u\n",
+ padd->sample_rate, padd->channels);
padd->initialized = 1;
}
if (padd->decoder_length > 0) {
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;
- PARA_ERROR_LOG("frame_error: %d (%s), consumed: %zu + %zd + %lu\n",
- err, NeAACDecGetErrorMessage(padd->frame_info.error),
+ /* 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 + %zu + %lu\n",
padd->consumed_total, consumed,
padd->frame_info.bytesconsumed);
- PARA_ERROR_LOG("%s\n", NeAACDecGetErrorMessage(
- padd->frame_info.error));
- consumed++; /* catch 21 */
+ if (consumed < len)
+ consumed++; /* catch 21 */
goto success;
}
padd->error_count = 0;
}
err:
assert(ret < 0);
- t->error = ret;
- btr_remove_node(btrn);
+ btr_remove_node(&fn->btrn);
+ return ret;
}
-/**
- * The init function of the aacdec filter.
- *
- * \param f Pointer to the filter struct to initialize.
- *
- * \sa filter::init
- */
-void aacdec_filter_init(struct filter *f)
-{
- f->open = aacdec_open;
- f->close = aacdec_close;
- f->pre_select = generic_filter_pre_select;
- f->post_select = aacdec_post_select;
- f->execute = aacdec_execute;
-}
+const struct filter lsg_filter_cmd_com_aacdec_user_data = {
+ .open = aacdec_open,
+ .close = aacdec_close,
+ .pre_select = generic_filter_pre_select,
+ .post_select = aacdec_post_select,
+ .execute = aacdec_execute
+};
projects / paraslash.git / blobdiff