X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aacdec.c;h=c7bec16479ae1373f05cfa0118da8af36eee0c72;hp=c20761c6f451c8d0ac93730e0258678c3ea37a7c;hb=ede4d4615c5a0e41a1dffc83ad78e9aabe1d57a3;hpb=88aacb1ef41e360b051e069035e5be6a8561eab2 diff --git a/aacdec.c b/aacdec.c index c20761c6..c7bec164 100644 --- a/aacdec.c +++ b/aacdec.c @@ -21,7 +21,7 @@ * Ahead Software AG */ -/** \file aacdec.c paraslash's mp3 decoder */ +/** \file aacdec.c paraslash's aac (m4a) decoder */ #include "para.h" @@ -31,8 +31,8 @@ #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 +41,12 @@ * \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 +54,6 @@ 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 +65,12 @@ 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 +82,7 @@ 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; @@ -119,7 +118,7 @@ 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 +154,14 @@ 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 +169,7 @@ 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 */