67 #include <speex/speex.h>
68 #include <speex/speex_header.h>
69 #include <speex/speex_stereo.h>
93 const char *mode_str =
"unknown";
97 case SPEEX_MODEID_NB: mode_str =
"narrowband";
break;
98 case SPEEX_MODEID_WB: mode_str =
"wideband";
break;
99 case SPEEX_MODEID_UWB: mode_str =
"ultra-wideband";
break;
125 const SpeexMode *mode;
126 uint8_t *header_data;
133 "mono are supported\n", avctx->
channels);
139 case 8000: mode = &speex_nb_mode;
break;
140 case 16000: mode = &speex_wb_mode;
break;
141 case 32000: mode = &speex_uwb_mode;
break;
144 "Resample to 8, 16, or 32 kHz.\n", avctx->
sample_rate);
169 speex_encoder_ctl(s->
enc_state, SPEEX_SET_ABR,
171 speex_encoder_ctl(s->
enc_state, SPEEX_GET_ABR,
174 speex_encoder_ctl(s->
enc_state, SPEEX_SET_BITRATE,
176 speex_encoder_ctl(s->
enc_state, SPEEX_GET_BITRATE,
181 speex_encoder_ctl(s->
enc_state, SPEEX_SET_QUALITY,
183 speex_encoder_ctl(s->
enc_state, SPEEX_GET_BITRATE,
194 speex_encoder_ctl(s->
enc_state, SPEEX_SET_COMPLEXITY, &complexity);
196 speex_encoder_ctl(s->
enc_state, SPEEX_GET_COMPLEXITY, &complexity);
210 header_data = speex_header_to_packet(&s->
header, &header_size);
216 speex_header_free(header_data);
223 memcpy(avctx->
extradata, header_data, header_size);
225 speex_header_free(header_data);
228 speex_bits_init(&s->
bits);
243 speex_encode_stereo_int(samples, s->
header.frame_size, &s->
bits);
253 speex_bits_pack(&s->
bits, 15, 5);
266 if (buf_size > speex_bits_nbytes(&s->
bits)) {
267 int ret = speex_bits_write(&s->
bits, frame, buf_size);
268 speex_bits_reset(&s->
bits);
282 speex_bits_destroy(&s->
bits);
291 #define OFFSET(x) offsetof(LibSpeexEncContext, x)
292 #define AE AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
295 {
"cbr_quality",
"Set quality value (0 to 10) for CBR",
OFFSET(cbr_quality),
AV_OPT_TYPE_INT, { 8 }, 0, 10,
AE },
296 {
"frames_per_packet",
"Number of frames to encode in each packet",
OFFSET(frames_per_packet),
AV_OPT_TYPE_INT, { 1 }, 1, 8,
AE },
309 {
"compression_level",
"3" },
324 .priv_class = &
class,