#include <windows.h>
#endif
#include "compat.h"
-#include "wav_reader.h"
-#include "caf_reader.h"
+#include "pcm_reader.h"
#include "aacenc.h"
#include "m4af.h"
#include "progress.h"
{
int i, sigs[] = { SIGINT, SIGHUP, SIGTERM };
for (i = 0; i < sizeof(sigs)/sizeof(sigs[0]); ++i) {
- struct sigaction sa = { 0 };
+ struct sigaction sa;
+ memset(&sa, 0, sizeof sa);
sa.sa_handler = signal_handler;
sa.sa_flags |= SA_RESTART;
sigaction(sigs[i], &sa, 0);
" 29: MPEG-4 HE-AAC v2 (SBR+PS)\n"
" 23: MPEG-4 AAC LD\n"
" 39: MPEG-4 AAC ELD\n"
-" 129: MPEG-2 AAC LC\n"
-" 132: MPEG-2 HE-AAC (SBR)\n"
-" 156: MPEG-2 HE-AAC v2 (SBR+PS)\n"
" -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n"
" -m, --bitrate-mode <n> Bitrate configuration\n"
" 0: CBR (default)\n"
++encoded;
if (encoded == 1 || encoded == 3)
continue;
- obp = &obuf[flip];
- if (write_sample(params->output_fp, m4af, obp) < 0)
+
+ if (write_sample(params->output_fp, m4af, &obuf[flip]) < 0)
goto END;
++frames_written;
} while (remaining > 0);
+ /*
+ * When interrupted, we haven't pulled out last extrapolated frames
+ * from the reader. Therefore, we have to write the final outcome.
+ */
+ if (g_interrupted) {
+ if (write_sample(params->output_fp, m4af, &obp[flip^1]) < 0)
+ goto END;
+ ++frames_written;
+ }
}
DONE:
if (!params->silent)
{
pcm_io_context_t io = { 0 };
pcm_reader_t *reader = 0;
- struct stat stb = { 0 };
if ((params->input_fp = aacenc_fopen(params->input_filename, "rb")) == 0) {
aacenc_fprintf(stderr, "ERROR: %s: %s\n", params->input_filename,
strerror(errno));
- goto END;
+ goto FAIL;
}
io.cookie = params->input_fp;
- if (fstat(fileno(params->input_fp), &stb) == 0
- && (stb.st_mode & S_IFMT) == S_IFREG)
+ if (aacenc_seekable(params->input_fp))
io.vtbl = &pcm_io_vtbl;
else
io.vtbl = &pcm_io_vtbl_noseek;
pcm_sample_description_t desc = { 0 };
if (parse_raw_spec(params->raw_format, &desc) < 0) {
fprintf(stderr, "ERROR: invalid raw-format spec\n");
- goto END;
+ goto FAIL;
}
desc.sample_rate = params->raw_rate;
desc.channels_per_frame = params->raw_channels;
desc.bytes_per_frame = params->raw_channels * bytes_per_channel;
if ((reader = raw_open(&io, &desc)) == 0) {
fprintf(stderr, "ERROR: failed to open raw input\n");
- goto END;
+ goto FAIL;
}
} else {
int c;
case 'R':
if ((reader = wav_open(&io, params->ignore_length)) == 0) {
fprintf(stderr, "ERROR: broken / unsupported input file\n");
- goto END;
+ goto FAIL;
}
break;
case 'c':
aacenc_translate_generic_text_tag,
¶ms->source_tag_ctx)) == 0) {
fprintf(stderr, "ERROR: broken / unsupported input file\n");
- goto END;
+ goto FAIL;
}
break;
default:
fprintf(stderr, "ERROR: unsupported input file\n");
- goto END;
+ goto FAIL;
}
}
- if ((reader = pcm_open_sint16_converter(reader)) != 0)
+ reader = pcm_open_native_converter(reader);
+ if (reader && PCM_IS_FLOAT(pcm_get_format(reader)))
+ reader = limiter_open(reader);
+ if (reader && (reader = pcm_open_sint16_converter(reader)) != 0)
reader = extrapolater_open(reader);
return reader;
-END:
+FAIL:
return 0;
}
pcm_reader_t *reader = 0;
HANDLE_AACENCODER encoder = 0;
AACENC_InfoStruct aacinfo = { 0 };
- LIB_INFO lib_info = { 0 };
m4af_ctx_t *m4af = 0;
const pcm_sample_description_t *sample_format;
- int downsampled_timescale = 0;
int frame_count = 0;
int sbr_mode = 0;
unsigned scale_shift = 0;
sample_format = pcm_get_format(reader);
- /*
- * We use explicit/hierarchical signaling for LOAS.
- * Other than that, we request implicit signaling to FDK library, then
- * append explicit/backward-compatible signaling to ASC in case of MP4FF.
- *
- * Explicit/backward-compatible signaling of SBR is the most recommended
- * way in MPEG4 part3 spec, and seems the only way supported by iTunes.
- * Since FDK library does not support it, we have to do it on our side.
- */
sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms);
if (sbr_mode && !aacenc_is_sbr_ratio_available()) {
fprintf(stderr, "WARNING: Only dual-rate SBR is available "
params.sbr_ratio = 2;
}
scale_shift = aacenc_is_dual_rate_sbr((aacenc_param_t*)¶ms);
- params.sbr_signaling = (params.transport_format == TT_MP4_LOAS) ? 2 : 0;
- if (sbr_mode && !scale_shift)
- params.sbr_signaling = 2;
-
+ params.sbr_signaling = 0;
+ if (sbr_mode) {
+ if (params.transport_format == TT_MP4_LOAS || !scale_shift)
+ params.sbr_signaling = 2;
+ if (params.transport_format == TT_MP4_RAW &&
+ aacenc_is_explicit_bw_compatible_sbr_signaling_available())
+ params.sbr_signaling = 1;
+ }
if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format,
&aacinfo) < 0)
goto END;
if (!params.transport_format) {
uint32_t scale;
- uint8_t mp4asc[32];
- uint32_t ascsize = sizeof(mp4asc);
unsigned framelen = aacinfo.frameLength;
scale = sample_format->sample_rate >> scale_shift;
if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io,
params.output_fp)) < 0)
goto END;
- aacenc_mp4asc((aacenc_param_t*)¶ms, aacinfo.confBuf,
- aacinfo.confSize, mp4asc, &ascsize);
- m4af_set_decoder_specific_info(m4af, 0, mp4asc, ascsize);
- m4af_set_fixed_frame_duration(m4af, 0,
- framelen >> scale_shift);
+ m4af_set_num_channels(m4af, 0, sample_format->channels_per_frame);
+ m4af_set_fixed_frame_duration(m4af, 0, framelen >> scale_shift);
+ if (aacenc_is_explicit_bw_compatible_sbr_signaling_available())
+ m4af_set_decoder_specific_info(m4af, 0,
+ aacinfo.confBuf, aacinfo.confSize);
+ else {
+ uint8_t mp4asc[32];
+ uint32_t ascsize = sizeof(mp4asc);
+ aacenc_mp4asc((aacenc_param_t*)¶ms, aacinfo.confBuf,
+ aacinfo.confSize, mp4asc, &ascsize);
+ m4af_set_decoder_specific_info(m4af, 0, mp4asc, ascsize);
+ }
m4af_set_vbr_mode(m4af, 0, params.bitrate_mode);
m4af_set_priming_mode(m4af, params.gapless_mode + 1);
m4af_begin_write(m4af);
projects / fdkaac.git / blobdiff