X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aacdec.c;h=ce9c50da84efcd47b2c325743f5d1feb58d9b376;hp=c20761c6f451c8d0ac93730e0258678c3ea37a7c;hb=bfbc3f075056b468dfdb525d8a623fe50a20117a;hpb=88aacb1ef41e360b051e069035e5be6a8561eab2 diff --git a/aacdec.c b/aacdec.c index c20761c6..ce9c50da 100644 --- a/aacdec.c +++ b/aacdec.c @@ -15,13 +15,12 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - /* * based in parts on libfaad, Copyright (C) 2003-2005 M. Bakker, * Ahead Software AG */ -/** \file aacdec.c paraslash's mp3 decoder */ +/** \file aacdec.c paraslash's aac (m4a) decoder */ #include "para.h" @@ -31,8 +30,8 @@ #include "string.h" #include "aac.h" -/** the output buffer size */ #define MAX_CHANNELS 6 +/** the output buffer size */ #define AAC_OUTBUF_SIZE (FAAD_MIN_STREAMSIZE * MAX_CHANNELS) /** @@ -41,13 +40,12 @@ * \sa filter, filter_node */ struct private_aacdec_data { - NeAACDecHandle decoder; + NeAACDecHandle handle; NeAACDecFrameInfo frame_info; int initialized; int decoder_length; long unsigned consumed_total; - long unsigned entry; }; @@ -55,8 +53,6 @@ static ssize_t aacdec(char *input_buffer, size_t len, struct filter_node *fn) { struct private_aacdec_data *padd = fn->private_data; struct filter_chain_info *fci = fn->fci; - unsigned long rate = 0; - unsigned char channels = 0; int i, ret, skip; unsigned char *p, *outbuffer; unsigned char *inbuf = (unsigned char*)input_buffer; @@ -68,10 +64,12 @@ static ssize_t aacdec(char *input_buffer, size_t len, struct filter_node *fn) return 0; if (!padd->initialized) { + unsigned long rate = 0; + unsigned char channels = 0; padd->decoder_length = aac_find_esds(inbuf, len, &skip); PARA_INFO_LOG("decoder len: %d\n", padd->decoder_length); if (padd->decoder_length < 0) { - ret = NeAACDecInit(padd->decoder, inbuf, + ret = NeAACDecInit(padd->handle, inbuf, len, &rate, &channels); PARA_INFO_LOG("decoder init: %d\n", ret); if (ret < 0) { @@ -83,7 +81,7 @@ static ssize_t aacdec(char *input_buffer, size_t len, struct filter_node *fn) consumed += skip; p = inbuf + consumed; ret = -E_AACDEC_INIT; - if (NeAACDecInit2(padd->decoder, p, + if (NeAACDecInit2(padd->handle, p, padd->decoder_length, &rate, &channels) < 0) goto out; @@ -97,14 +95,14 @@ static ssize_t aacdec(char *input_buffer, size_t len, struct filter_node *fn) if (padd->decoder_length > 0) { consumed = 0; if (!padd->entry) { - ret = aac_find_stco(inbuf + consumed, len - consumed, - &skip); + ret = aac_find_entry_point(inbuf + consumed, + len - consumed, &skip); if (ret < 0) { ret = len; goto out; } consumed += skip; - padd->entry = aac_read_int32(inbuf + consumed); + padd->entry = ret; PARA_INFO_LOG("entry: %lu\n", padd->entry); } ret = len; @@ -119,7 +117,7 @@ static ssize_t aacdec(char *input_buffer, size_t len, struct filter_node *fn) if (consumed >= len) goto success; p = inbuf + consumed; - outbuffer = NeAACDecDecode(padd->decoder, &padd->frame_info, p, + outbuffer = NeAACDecDecode(padd->handle, &padd->frame_info, p, len - consumed); ret = -E_AAC_DECODE; if (padd->frame_info.error != 0) { @@ -155,14 +153,14 @@ static void aacdec_open(struct filter_node *fn) fn->bufsize = AAC_OUTBUF_SIZE; fn->buf = para_calloc(fn->bufsize); - padd->decoder = aac_open(); + padd->handle = aac_open(); } static void aacdec_close(struct filter_node *fn) { struct private_aacdec_data *padd = fn->private_data; - NeAACDecClose(padd->decoder); + NeAACDecClose(padd->handle); free(fn->buf); fn->buf = NULL; free(padd); @@ -170,7 +168,7 @@ static void aacdec_close(struct filter_node *fn) } /** - * the init function of the mp3dec filter + * the init function of the aacdec filter * * \sa filter::init */