From f455b6e91bc1847e5fd3ffe73ee6081e934e4e87 Mon Sep 17 00:00:00 2001 From: cehoyos Date: Wed, 23 Jun 2010 18:44:06 +0000 Subject: ad_faad: Improve LATM recognition Patch by Dan Oscarsson, Dan d Oscarsson a tieto d com git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31543 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpcodecs/ad_faad.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'libmpcodecs') diff --git a/libmpcodecs/ad_faad.c b/libmpcodecs/ad_faad.c index 14fe9a6280..8a0a5e22f4 100644 --- a/libmpcodecs/ad_faad.c +++ b/libmpcodecs/ad_faad.c @@ -126,6 +126,26 @@ static int init(sh_audio_t *sh) faacDecSetConfiguration(faac_hdec, faac_conf); sh->a_in_buffer_len = demux_read_data(sh->ds, sh->a_in_buffer, sh->a_in_buffer_size); + /* init the codec, look for LATM */ + faac_init = faacDecInit(faac_hdec, sh->a_in_buffer, + sh->a_in_buffer_len, &faac_samplerate, &faac_channels,1); + if (faac_init < 0 && sh->a_in_buffer_len >= 3 && sh->format == mmioFOURCC('M', 'P', '4', 'L')) { + // working LATM not found at first try, look further on in stream + int i; + + for (i = 0; i < 5; i++) { + pos = sh->a_in_buffer_len-3; + memmove(sh->a_in_buffer, &(sh->a_in_buffer[pos]), 3); + sh->a_in_buffer_len = 3; + sh->a_in_buffer_len += demux_read_data(sh->ds,&sh->a_in_buffer[sh->a_in_buffer_len], + sh->a_in_buffer_size - sh->a_in_buffer_len); + faac_init = faacDecInit(faac_hdec, sh->a_in_buffer, + sh->a_in_buffer_len, &faac_samplerate, &faac_channels,1); + if (faac_init >= 0) break; + } + } + + if (faac_init < 0) { pos = aac_probe(sh->a_in_buffer, sh->a_in_buffer_len); if(pos) { sh->a_in_buffer_len -= pos; @@ -138,7 +158,8 @@ static int init(sh_audio_t *sh) /* init the codec */ faac_init = faacDecInit(faac_hdec, sh->a_in_buffer, - sh->a_in_buffer_len, &faac_samplerate, &faac_channels); + sh->a_in_buffer_len, &faac_samplerate, &faac_channels,0); + } sh->a_in_buffer_len -= (faac_init > 0)?faac_init:0; // how many bytes init consumed // XXX FIXME: shouldn't we memcpy() here in a_in_buffer ?? --A'rpi @@ -189,7 +210,8 @@ static void uninit(sh_audio_t *sh) static int aac_sync(sh_audio_t *sh) { int pos = 0; - if(!sh->codecdata_len) { + // do not probe LATM, faad does that + if(!sh->codecdata_len && sh->format != mmioFOURCC('M', 'P', '4', 'L')) { if(sh->a_in_buffer_len < sh->a_in_buffer_size){ sh->a_in_buffer_len += demux_read_data(sh->ds,&sh->a_in_buffer[sh->a_in_buffer_len], -- cgit v1.2.3