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author | piratfm <piratfm@gmail.com> | 2013-04-12 00:26:09 +0300 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2013-12-14 17:42:30 +0100 |
commit | ddb94b9025f6893a6d9543254fedf0a70c0549b8 (patch) | |
tree | c53927550c4bba4c2b6e4dbec60d183f70982fcb /aac-enc-dabplus.c | |
parent | 671667db206f8551c21c085158d2f949a93536e6 (diff) | |
download | fdk-aac-dabplus-ddb94b9025f6893a6d9543254fedf0a70c0549b8.tar.gz fdk-aac-dabplus-ddb94b9025f6893a6d9543254fedf0a70c0549b8.tar.bz2 fdk-aac-dabplus-ddb94b9025f6893a6d9543254fedf0a70c0549b8.zip |
vlc works with bare aac
Conflicts:
.cproject
libAACenc/src/aacenc_lib.cpp
libAACenc/src/qc_main.cpp
libFDK/src/FDK_crc.cpp
libSYS/include/FDK_audio.h
Diffstat (limited to 'aac-enc-dabplus.c')
-rw-r--r-- | aac-enc-dabplus.c | 132 |
1 files changed, 41 insertions, 91 deletions
diff --git a/aac-enc-dabplus.c b/aac-enc-dabplus.c index 741f866..79a2379 100644 --- a/aac-enc-dabplus.c +++ b/aac-enc-dabplus.c @@ -44,8 +44,8 @@ void usage(const char* name) { //" -V, --version Print version and exit.\n" //" --mi=[ 0, ... ] Set AAC frame messages interval in milliseconds.\n" //" --ma=[ 0, ... ] Set AAC frame messages attack time in milliseconds.\n" -" -t, --adts Set ADTS output format (for debugging).\n" -" -l, --lp Set frame size to 1024 instead of 960.\n" +//" -t, --adts Set ADTS output format (for debugging).\n" +//" -l, --lp Set frame size to 1024 instead of 960.\n" ); @@ -56,15 +56,6 @@ void usage(const char* name) { #define required_argument 1 #define optional_argument 2 -const int bitrate_table[4][24] = { -// kbps 8 16 24 32 40 48 56 64 72 80 88 96 104 112 120 128 136 144 152 160 168 176 184 192 -/*16kHz*/ {6733, 14067, 21400, 28733, 36067, 43400, 50733, 58067, 65400, 72733, 80067, 87400, 94733, 102067, 109400, 116733, 124067, 131400, 138733, 146067, 153400, 160733, 168067, 175400}, -/*24kHz*/ {6533, 13867, 21200, 28533, 35867, 43200, 50533, 57867, 65200, 72533, 79867, 87200, 94533, 101867, 109200, 116533, 123867, 131200, 138533, 145867, 153200, 160533, 167867, 175200}, -/*32kHz*/ {6267, 13600, 20933, 28267, 35600, 42933, 50267, 57600, 64933, 72267, 79600, 86933, 94267, 101600, 108933, 116267, 123600, 130933, 138267, 145600, 152933, 160267, 167600, 174933}, -/*48kHz*/ {5800, 13133, 20467, 27800, 35133, 42467, 49800, 57133, 64467, 71800, 79133, 86467, 93800, 101133, 108467, 115800, 123133, 130467, 137800, 145133, 152467, 159800, 167133, 174467} -}; - - #define ADTS_HEADER_SIZE 7 #define ADTS_MPEG_ID 1 /* 0: MPEG-4, 1: MPEG-2 */ #define ADTS_MPEG_PROFILE 1 @@ -105,11 +96,11 @@ int main(int argc, char *argv[]) { const char *infile, *outfile; FILE *in_fh, *out_fh; void *wav; - int wav_format, bits_per_sample, sample_rate=48000, channels=2, lp=0; + int wav_format, bits_per_sample, sample_rate=48000, channels=2; uint8_t* input_buf; int16_t* convert_buf; int aot = AOT_DABPLUS_AAC_LC; - int afterburner = 0, adts_output=0, raw_input=0; + int afterburner = 0, raw_input=0; HANDLE_AACENCODER handle; CHANNEL_MODE mode; AACENC_InfoStruct info = { 0 }; @@ -121,8 +112,8 @@ int main(int argc, char *argv[]) { {"format", required_argument, 0, 'f'}, {"rate", required_argument, 0, 'r'}, {"channels", required_argument, 0, 'c'}, - {"lp", no_argument, 0, 'l'}, - {"adts", no_argument, 0, 't'}, + //{"lp", no_argument, 0, 'l'}, + //{"adts", no_argument, 0, 't'}, {"afterburner", no_argument, 0, 'a'}, {"help", no_argument, 0, 'h'}, {0,0,0,0}, @@ -132,9 +123,6 @@ int main(int argc, char *argv[]) { while(ch != -1) { ch = getopt_long(argc, argv, "tlhab:c:i:o:r:f:", longopts, &index); switch (ch) { - case 't': - adts_output = 1; - break; case 'f': if(strcmp(optarg, "raw")==0) { raw_input = 1; @@ -156,9 +144,6 @@ int main(int argc, char *argv[]) { case 'i': infile = optarg; break; - case 'l': - lp = 1; - break; case 'o': outfile = optarg; break; @@ -233,36 +218,18 @@ int main(int argc, char *argv[]) { return 1; } - int sr_idx = 3; - switch (sample_rate) { - case 16000: - sr_idx=0; - break; - case 24000: - sr_idx=1; - break; - case 32000: - sr_idx=2; - break; - case 48000: - sr_idx=3; - break; - } - int bitrate = bitrate_table[sr_idx][subchannel_index]; - if(channels == 2 && bitrate <= 44000) + if(channels == 2 && subchannel_index <= 6) aot = AOT_DABPLUS_PS; - else if((channels == 1 && bitrate <= 64000) || bitrate <= 96000) + else if((channels == 1 && subchannel_index <= 8) || subchannel_index <= 10) aot = AOT_DABPLUS_SBR; - fprintf(stderr, "Using %d subchannels. AAC type: %s%s%s\n", + fprintf(stderr, "Using %d subchannels. AAC type: %s%s%s. channels=%d, sample_rate=%d\n", subchannel_index, aot == AOT_DABPLUS_PS ? "HE-AAC v2" : "", aot == AOT_DABPLUS_SBR ? "HE-AAC" : "", - aot == AOT_DABPLUS_AAC_LC ? "AAC-LC" : ""); - - if(lp) - aot = AOT_MP2_AAC_LC; + aot == AOT_DABPLUS_AAC_LC ? "AAC-LC" : "", + channels, sample_rate); if (aacEncoder_SetParam(handle, AACENC_AOT, aot) != AACENC_OK) { fprintf(stderr, "Unable to set the AOT\n"); @@ -280,26 +247,15 @@ int main(int argc, char *argv[]) { fprintf(stderr, "Unable to set the wav channel order\n"); return 1; } - if (aacEncoder_SetParam(handle, AACENC_GRANULE_LENGTH, (lp ? 1024 : 960)) != AACENC_OK) { - fprintf(stderr, "Unable to set the GRANULE\n"); + if (aacEncoder_SetParam(handle, AACENC_TRANSMUX, TT_DABPLUS) != AACENC_OK) { + fprintf(stderr, "Unable to set the RAW transmux\n"); return 1; } -// if (vbr) { -// if (aacEncoder_SetParam(handle, AACENC_BITRATEMODE, vbr) != AACENC_OK) { -// fprintf(stderr, "Unable to set the VBR bitrate mode\n"); -// return 1; -// } -// } else { - - fprintf(stderr, "AAC bitrate set to: %d\n", bitrate); - if (aacEncoder_SetParam(handle, AACENC_BITRATE, bitrate) != AACENC_OK) { + fprintf(stderr, "AAC bitrate set to: %d\n", subchannel_index*8000); + if (aacEncoder_SetParam(handle, AACENC_BITRATE, subchannel_index*8000) != AACENC_OK) { fprintf(stderr, "Unable to set the bitrate\n"); return 1; } - if (aacEncoder_SetParam(handle, AACENC_TRANSMUX, TT_MP4_RAW) != AACENC_OK) { - fprintf(stderr, "Unable to set the RAW transmux\n"); - return 1; - } if (aacEncoder_SetParam(handle, AACENC_AFTERBURNER, afterburner) != AACENC_OK) { fprintf(stderr, "Unable to set the afterburner mode\n"); return 1; @@ -313,36 +269,17 @@ int main(int argc, char *argv[]) { return 1; } - fprintf(stderr, "AAC frame length: %d\n", info.frameLength); + fprintf(stderr, "DAB+ Encoding: framelen=%d\n", info.frameLength); int input_size = channels*2*info.frameLength; input_buf = (uint8_t*) malloc(input_size); convert_buf = (int16_t*) malloc(input_size); - unsigned char adtsbuf[ADTS_HEADER_SIZE]; - if(adts_output) { - int mpeg_id = ADTS_MPEG_ID; - int profile = ADTS_MPEG_PROFILE; - int srate_idx = 0; - - if(aot == AOT_DABPLUS_PS || aot == AOT_DABPLUS_SBR) { - srate_idx = FindSRIndex(sample_rate/2); - } else { - srate_idx = FindSRIndex(sample_rate); - } - adtsbuf[0] = 0xFF; /* 8bits: syncword */ - adtsbuf[1] = 0xF0; /* 4bits: syncword */ - adtsbuf[1] |= mpeg_id << 3; /* 1bit: mpeg id = 0 */ - /* 2bits: layer = 00 */ - adtsbuf[1] |= 1; /* 1bit: protection absent (1 - means "no protection")*/ - adtsbuf[2] = ((profile << 6) & 0xC0); /* 2bits: profile */ - adtsbuf[2] |= ((srate_idx << 2) & 0x3C); /* 4b: sampling_frequency_index */ - /* 1b: private = 0 */ - adtsbuf[2] |= ((channels >> 2) & 0x1); /* 1b: channel_configuration */ - adtsbuf[3] = ((channels << 6) & 0xC0); /* 2b: channel_configuration */ - } - int loops = 0; + int outbuf_size = subchannel_index*110; + uint8_t outbuf[20480]; + + int frame=0; while (1) { AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 }; AACENC_InArgs in_args = { 0 }; @@ -353,7 +290,6 @@ int main(int argc, char *argv[]) { int out_size, out_elem_size; int read=0, i; void *in_ptr, *out_ptr; - uint8_t outbuf[20480]; AACENC_ERROR err; if(raw_input) { @@ -403,16 +339,30 @@ int main(int argc, char *argv[]) { } if (out_args.numOutBytes == 0) continue; - if(adts_output) { - adts_hdr_up(adtsbuf, out_args.numOutBytes); - fwrite(adtsbuf, 1, 7, out_fh); - } - fwrite(outbuf, 1, out_args.numOutBytes, out_fh); - fprintf(stderr, "Written %d bytes!\n", out_args.numOutBytes); + + unsigned char au_start[6]; + unsigned char* sfbuf = outbuf; + au_start[0] = 6; + au_start[1] = (*(sfbuf + 3) << 4) + ((*(sfbuf + 4)) >> 4); + au_start[2] = ((*(sfbuf + 4) & 0x0f) << 8) + *(sfbuf + 5); + fprintf (stderr, "au_start[0] = %d\n", au_start[0]); + fprintf (stderr, "au_start[1] = %d\n", au_start[1]); + fprintf (stderr, "au_start[2] = %d\n", au_start[2]); + + fwrite(outbuf, 1, /*out_args.numOutBytes*/ outbuf_size, out_fh); + fprintf(stderr, "Written %d/%d bytes!\n", out_args.numOutBytes, outbuf_size); + + if(frame > 10) + break; + frame++; } free(input_buf); free(convert_buf); - fclose(in_fh); + if(raw_input) { + fclose(in_fh); + } else { + wav_read_close(wav); + } fclose(out_fh); aacEncClose(&handle); |