From bac47ae6caab4c210cf6bb35e7b42cba44a7a89b Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Tue, 1 Apr 2008 12:50:32 +0000 Subject: use mpeg4audio common code in aac parser Originally committed as revision 12665 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/aac_parser.c | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) (limited to 'libavcodec/aac_parser.c') diff --git a/libavcodec/aac_parser.c b/libavcodec/aac_parser.c index 3a20129c06..2e4334f440 100644 --- a/libavcodec/aac_parser.c +++ b/libavcodec/aac_parser.c @@ -23,21 +23,10 @@ #include "parser.h" #include "aac_ac3_parser.h" #include "bitstream.h" - +#include "mpeg4audio.h" #define AAC_HEADER_SIZE 7 - -static const int aac_sample_rates[16] = { - 96000, 88200, 64000, 48000, 44100, 32000, - 24000, 22050, 16000, 12000, 11025, 8000, 7350 -}; - -static const int aac_channels[8] = { - 0, 1, 2, 3, 4, 5, 6, 8 -}; - - static int aac_sync(AACAC3ParseContext *hdr_info, AACAC3FrameFlag *flag) { GetBitContext bits; @@ -53,11 +42,11 @@ static int aac_sync(AACAC3ParseContext *hdr_info, AACAC3FrameFlag *flag) skip_bits1(&bits); /* protection_absent */ skip_bits(&bits, 2); /* profile_objecttype */ sr = get_bits(&bits, 4); /* sample_frequency_index */ - if(!aac_sample_rates[sr]) + if(!ff_mpeg4audio_sample_rates[sr]) return 0; skip_bits1(&bits); /* private_bit */ ch = get_bits(&bits, 3); /* channel_configuration */ - if(!aac_channels[ch]) + if(!ff_mpeg4audio_channels[ch]) return 0; skip_bits1(&bits); /* original/copy */ skip_bits1(&bits); /* home */ @@ -72,8 +61,8 @@ static int aac_sync(AACAC3ParseContext *hdr_info, AACAC3FrameFlag *flag) skip_bits(&bits, 11); /* adts_buffer_fullness */ rdb = get_bits(&bits, 2); /* number_of_raw_data_blocks_in_frame */ - hdr_info->channels = aac_channels[ch]; - hdr_info->sample_rate = aac_sample_rates[sr]; + hdr_info->channels = ff_mpeg4audio_channels[ch]; + hdr_info->sample_rate = ff_mpeg4audio_sample_rates[sr]; hdr_info->samples = (rdb + 1) * 1024; hdr_info->bit_rate = size * 8 * hdr_info->sample_rate / hdr_info->samples; *flag = FRAME_COMPLETE; -- cgit v1.2.3