EmErrorCode LameEncoder::OpenOutput(const std::string& path)
{
m_OutputFile = ::fopen(path.c_str(), "wb+");
if (m_OutputFile == nullptr)
return ErrorCode::EncoderFailedToOpen;
// init lame
m_gfp = ::lame_init();
::lame_set_quality(m_gfp, m_Quality.userVal);
::lame_set_brate(m_gfp, m_BitRate.enumedVal[m_BitRate.userChoice]);
::lame_set_mode(m_gfp, ::JOINT_STEREO);
::lame_set_findReplayGain(m_gfp, m_ReplayGain.userChoice ? 1 : 0);
::lame_set_asm_optimizations(m_gfp, MMX, 1);
::lame_set_asm_optimizations(m_gfp, SSE, 1);
if (m_MediaTag != nullptr) {
lame_set_write_id3tag_automatic(m_gfp, 1);
id3tag_init(m_gfp);
id3tag_v2_only(m_gfp);
id3tag_set_title(m_gfp, m_MediaTag->title.c_str());
id3tag_set_artist(m_gfp, m_MediaTag->artist.c_str());
id3tag_set_album(m_gfp, m_MediaTag->album.c_str());
id3tag_set_comment(m_gfp, m_MediaTag->comment.c_str());
id3tag_set_genre(m_gfp, m_MediaTag->genre.c_str());
id3tag_set_year(m_gfp, scx::NumToStr(m_MediaTag->year).c_str());
id3tag_set_track(m_gfp, scx::NumToStr(m_MediaTag->track).c_str());
}
int ret = ::lame_init_params(m_gfp);
if (ret < 0)
return ErrorCode::EncoderFailedToInit;
return ErrorCode::Ok;
}
static int
set_id3tag(lame_global_flags* gfp, int type, char const* str)
{
switch (type)
{
case 'a': return id3tag_set_artist(gfp, str), 0;
case 't': return id3tag_set_title(gfp, str), 0;
case 'l': return id3tag_set_album(gfp, str), 0;
case 'g': return id3tag_set_genre(gfp, str);
case 'c': return id3tag_set_comment(gfp, str), 0;
case 'n': return id3tag_set_track(gfp, str);
case 'y': return id3tag_set_year(gfp, str), 0;
case 'v': return id3tag_set_fieldvalue(gfp, str);
}
return 0;
}
static switch_status_t shout_file_set_string(switch_file_handle_t *handle, switch_audio_col_t col, const char *string)
{
shout_context_t *context = handle->private_info;
switch_status_t status = SWITCH_STATUS_FALSE;
if (!context->shout) {
switch (col) {
case SWITCH_AUDIO_COL_STR_TITLE:
id3tag_set_title(context->gfp, string);
break;
case SWITCH_AUDIO_COL_STR_COMMENT:
id3tag_set_comment(context->gfp, string);
break;
case SWITCH_AUDIO_COL_STR_ARTIST:
id3tag_set_artist(context->gfp, string);
break;
case SWITCH_AUDIO_COL_STR_DATE:
id3tag_set_year(context->gfp, string);
break;
case SWITCH_AUDIO_COL_STR_SOFTWARE:
break;
id3tag_set_album(context->gfp, string);
case SWITCH_AUDIO_COL_STR_COPYRIGHT:
id3tag_set_genre(context->gfp, string);
break;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Value Ignored %d, %s\n", col, string);
break;
}
return status;
}
switch (col) {
case SWITCH_AUDIO_COL_STR_TITLE:
if (shout_set_name(context->shout, string) == SHOUTERR_SUCCESS) {
status = SWITCH_STATUS_SUCCESS;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting name: %s\n", shout_get_error(context->shout));
}
break;
case SWITCH_AUDIO_COL_STR_COMMENT:
if (shout_set_url(context->shout, string) == SHOUTERR_SUCCESS) {
status = SWITCH_STATUS_SUCCESS;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting name: %s\n", shout_get_error(context->shout));
}
break;
case SWITCH_AUDIO_COL_STR_ARTIST:
if (shout_set_description(context->shout, string) == SHOUTERR_SUCCESS) {
status = SWITCH_STATUS_SUCCESS;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting name: %s\n", shout_get_error(context->shout));
}
break;
default:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Value Ignored %d, %s\n", col, string);
break;
}
return status;
}
static gint mp3_open(void)
{
int imp3;
gfp = lame_init();
if (gfp == NULL)
return 0;
/* setup id3 data */
id3tag_init(gfp);
if (tuple) {
/* XXX write UTF-8 even though libmp3lame does id3v2.3. --yaz */
lameid3.track_name = tuple_get_str (tuple, FIELD_TITLE, NULL);
id3tag_set_title(gfp, lameid3.track_name);
lameid3.performer = tuple_get_str (tuple, FIELD_ARTIST, NULL);
id3tag_set_artist(gfp, lameid3.performer);
lameid3.album_name = tuple_get_str (tuple, FIELD_ALBUM, NULL);
id3tag_set_album(gfp, lameid3.album_name);
lameid3.genre = tuple_get_str (tuple, FIELD_GENRE, NULL);
id3tag_set_genre(gfp, lameid3.genre);
lameid3.year = str_printf ("%d", tuple_get_int (tuple, FIELD_YEAR, NULL));
id3tag_set_year(gfp, lameid3.year);
lameid3.track_number = str_printf ("%d", tuple_get_int (tuple, FIELD_TRACK_NUMBER, NULL));
id3tag_set_track(gfp, lameid3.track_number);
if (force_v2_val) {
id3tag_add_v2(gfp);
}
if (only_v1_val) {
id3tag_v1_only(gfp);
}
if (only_v2_val) {
id3tag_v2_only(gfp);
}
}
/* input stream description */
lame_set_in_samplerate(gfp, input.frequency);
lame_set_num_channels(gfp, input.channels);
/* Maybe implement this? */
/* lame_set_scale(lame_global_flags *, float); */
lame_set_out_samplerate(gfp, out_samplerate_val);
/* general control parameters */
lame_set_bWriteVbrTag(gfp, toggle_xing_val);
lame_set_quality(gfp, algo_quality_val);
if (audio_mode_val != 4) {
AUDDBG("set mode to %d\n", audio_mode_val);
lame_set_mode(gfp, audio_mode_val);
}
lame_set_errorf(gfp, lame_debugf);
lame_set_debugf(gfp, lame_debugf);
lame_set_msgf(gfp, lame_debugf);
if (enc_toggle_val == 0 && vbr_on == 0)
lame_set_brate(gfp, bitrate_val);
else if (vbr_on == 0)
lame_set_compression_ratio(gfp, compression_val);
/* frame params */
lame_set_copyright(gfp, mark_copyright_val);
lame_set_original(gfp, mark_original_val);
lame_set_error_protection(gfp, error_protect_val);
lame_set_strict_ISO(gfp, enforce_iso_val);
if (vbr_on != 0) {
if (vbr_type == 0)
lame_set_VBR(gfp, 2);
else
lame_set_VBR(gfp, 3);
lame_set_VBR_q(gfp, vbr_quality_val);
lame_set_VBR_mean_bitrate_kbps(gfp, abr_val);
lame_set_VBR_min_bitrate_kbps(gfp, vbr_min_val);
lame_set_VBR_max_bitrate_kbps(gfp, vbr_max_val);
lame_set_VBR_hard_min(gfp, enforce_min_val);
}
/* not to write id3 tag automatically. */
lame_set_write_id3tag_automatic(gfp, 0);
if (lame_init_params(gfp) == -1)
return 0;
/* write id3v2 header */
imp3 = lame_get_id3v2_tag(gfp, encbuffer, sizeof(encbuffer));
if (imp3 > 0) {
write_output(encbuffer, imp3);
id3v2_size = imp3;
}
else {
id3v2_size = 0;
}
write_buffer = NULL;
write_buffer_size = 0;
return 1;
}
