OStreamVideoEncoder::OStreamVideoEncoder( unsigned int io_buf_size, ostream_encoding_type encoding_type,
int video_width, int video_height,
int fps /* = 25 */,
PixelFormat opencv_pix_fmt /*= PIX_FMT_BGR24*/) :
_internal_buffer_size( io_buf_size ),
_encoding_type( encoding_type ),
_video_width( video_width ),
_video_height( video_height ),
_fps( fps ),
_opencv_pix_fmt( opencv_pix_fmt )
{
_initialized = false;
if ( io_buf_size <= 1 ) {
// DEBUG_PRINT ("io_buf_size is wrong\n.");
return;
}
// allocate the internal buffer
_internal_buffer = new unsigned char[_internal_buffer_size];
sws_ctx = NULL;
if ( encoder_initialize () == true ) {;
_initialized = true;
}
}
unsigned long callc encoder_file_create(string fname, unsigned long fcreatemode)
{
unsigned long id;
id = encoder_local_locateindex();
if(id == fennec_invalid_index)return fennec_invalid_index;
pestreams[id].bmode = fennec_plugintype_audioencoder;
pestreams[id].smode = fennec_encoder_file;
str_cpy(pestreams[id].filepath, fname);
pestreams[id].fhandle = v_error_sys_file_create;
pestreams[id].cfrequency = 0;
pestreams[id].cbitspersample = 0;
pestreams[id].cchannels = 0;
/* set defaults */
encoder_setdefaults(id);
encoder_appendextension(id, pestreams[id].filepath);
str_cpy(fname, pestreams[id].filepath);
encoder_initialize(id, fcreatemode);
return id;
}
/*
* This function simply converts a file ('infile') to another file ('outfile').
*
* read the input stream from 'audio' interface and send it to 'encoder-file'
* interface.
*
* eid - encoder id.
* bsize - buffer size (in bytes, will be padded if necessary).
* cancelop - set to 1 to stop the operation and return 1 if it was sucessful.
* pauseop - set to 1 to pause the operation (till you set it back to 0).
* (uses the same system in 'internal output')
* trans - transcoder settings (new!).
*
* use a thread to call this function, or just put this into a thread.
*/
int audioconvert_convertfile_ex(const string infile, string outfile, unsigned long eid, unsigned int bsize, int* cancelop, int* pauseop, audioconvert_file_pfunc cfunc, transcoder_settings *trans)
{
unsigned long converter_playerhandle;
unsigned long converter_streamhandle;
unsigned long encoder_playerhandle = eid;
unsigned long encoder_streamhandle;
unsigned long converter_format_freq; /* frequency */
unsigned long converter_format_bps; /* bits per sample, not bits per second */
unsigned long converter_format_chan; /* channels */
unsigned long converter_format_blocksize; /* (bits per sample / 8) * channels */
unsigned int rbuffsize; /* real buffer size (after padding) */
char* cbuffer; /* buffer (current buffer?) */
unsigned int rsize; /* return size */
int readreturn;
unsigned long ssize = 0; /* data size (sum size?) */
unsigned long csize = 0; /* bytes converted (current size) */
void* ehandle; /* equalizer handle */
/* what kinda file we got?? */
converter_playerhandle = audio_input_selectinput(infile);
if(converter_playerhandle == -1)return -1; /* not supported, -1? (maybe.. 'invalid player id') :) */
/*
we've selected a player (decoder plugin), so initialize it first
remember, we don't need to uninitialize it, cuz the 'internal input'
would do it for us :)
*/
audio_input_plugin_initialize(converter_playerhandle);
/*
load the input file,
anyhow, fennec ain't just designed to listen something and stop that,
it can gather input from more than one streams at once (?), so we gotta use a
handle to identify the file <- it can be any value between 0 and infinity.
(ok, 0xffffffff... :) ).
*/
if(!audio_input_plugin_loadfile(converter_playerhandle, infile, &converter_streamhandle))return -2;
/* get the ....... format first (we'll need some padding) */
audio_input_plugin_getformat(converter_playerhandle, converter_streamhandle, &converter_format_freq, &converter_format_bps, &converter_format_chan);
/* calculate block size for padding */
converter_format_blocksize = (converter_format_bps / 8) * converter_format_chan;
/* allocate the buffer */
if(bsize % converter_format_blocksize) /* add padding if necessary */
rbuffsize = bsize + (converter_format_blocksize - (bsize % converter_format_blocksize));
else
rbuffsize = bsize;
cbuffer = sys_mem_alloc(rbuffsize);
if(!cbuffer)
{
/* not enough memory!, turn off the computer and add another core
(>1MB) and restart the routine. :) 4 nw v unld d fy1 */
audio_input_plugin_unloadfile(converter_playerhandle, converter_streamhandle);
return -3;
}
/*
calc the raw size of the input stream (stream?... return -1 or 0?)
we don't need a real 'ssize' value, it's just a progress notification.
*/
ssize = audio_input_plugin_getduration_ms(converter_playerhandle, converter_streamhandle) * /* bytes per ms */ ((converter_format_freq / 1000) * (converter_format_bps / 8) * converter_format_chan);
/* we need an encoder too */
if(!encoder_initialize())
{
sys_mem_free(cbuffer);
audio_input_plugin_unloadfile(converter_playerhandle, converter_streamhandle);
return -4;
}
encoder_plugin_initialize(encoder_playerhandle);
/* create a file */
encoder_streamhandle = encoder_plugin_file_create(encoder_playerhandle, outfile);
if(converter_streamhandle == -1)
{
sys_mem_free(cbuffer);
audio_input_plugin_unloadfile(converter_playerhandle, converter_streamhandle);
encoder_uninitialize();
return -5;
}
/* initialize the equalizer, all we need is an array of bands */
ehandle = equalize_buffer_variable_init(&trans->eq.eq, converter_format_chan, converter_format_freq);
/* well... hummm..... start conversion */
for(;;)
{
/* first of all, we gotta check those pause/cancel flags */
if(*cancelop)goto point_end;
if(*pauseop) goto point_continue;
/* 'rsize' actually != just 'return size' */
rsize = rbuffsize;
/*
read data, on eof, error; 'read data' returns zero .
and we can also determine it using 'rsize'.
*/
readreturn = audio_input_plugin_readdata(converter_playerhandle, converter_streamhandle, (unsigned long*)&rsize, cbuffer);
if(!readreturn)goto point_end;
/* set volume/gain */
if(trans->volume.enable_vol)
{
if(trans->volume.vol < 0.98f)
{
convert_setblock_volume((fennec_sample*) cbuffer, converter_format_freq, converter_format_chan, converter_format_bps, rsize, (float)trans->volume.vol);
}else if(trans->volume.gain > 0.02f){
convert_setblock_volume((fennec_sample*)cbuffer, converter_format_freq, converter_format_chan, converter_format_bps, rsize, (float)(trans->volume.gain * 4.0) + 1.0f);
}
}
/* set equalizer */
if(trans->eq.enable_eq)
{
equalize_buffer_variable(cbuffer, 0, converter_format_chan, converter_format_freq, converter_format_bps, rsize, ehandle);
}
sys_sleep(2);
/* copy data to the output file */
encoder_plugin_file_write(encoder_playerhandle, encoder_streamhandle, cbuffer,
converter_format_freq,
converter_format_bps,
converter_format_chan, rsize);
/* call set position to dispaly some info */
csize += rsize;
if(cfunc && ssize)cfunc((double)csize / (double)ssize);
sys_pass();
/* now check for eof */
if(rsize < rbuffsize)goto point_end;
/* continue if paused */
goto point_continue_fast;
point_continue:
sys_sleep(100);
point_continue_fast:;
}
point_end:
/* finish! */
if(cfunc)cfunc(1.0f);
/* you should clean your ... by yourself :o) */
sys_mem_free(cbuffer);
audio_input_plugin_unloadfile(converter_playerhandle, converter_streamhandle);
encoder_plugin_file_close(encoder_playerhandle, encoder_streamhandle);
equalize_buffer_variable_uninit(ehandle);
/* encoder_plugin_uninitialize(encoder_playerhandle);
encoder_uninitialize(); */
return 0;
}
/*
* job_start:
* @job: (in): job to be start.
*
* initialize source, encoders and start job.
*
* Returns: 0 on success, otherwise return 1.
*
*/
gint job_start (Job *job)
{
Encoder *encoder;
GstStateChangeReturn ret;
gint i;
gint64 duration;
job->source = source_initialize (job->description, &(job->output->source));
if (job->source == NULL) {
GST_WARNING ("Initialize job source error.");
*(job->output->state) = JOB_STATE_START_FAILURE;
return 1;
}
if (encoder_initialize (job->encoder_array, job->description, job->output->encoders, job->source) != 0) {
GST_WARNING ("Initialize job encoder error.");
*(job->output->state) = JOB_STATE_START_FAILURE;
return 2;
}
/* set pipelines as PLAYING state */
gst_element_set_state (job->source->pipeline, GST_STATE_PLAYING);
ret = gst_element_get_state (job->source->pipeline, NULL, NULL, 5 * GST_SECOND);
if (ret == GST_STATE_CHANGE_FAILURE) {
GST_WARNING ("Set %s source pipeline to play error.", job->name);
*(job->output->state) = JOB_STATE_START_FAILURE;
return 3;
} else if (ret == GST_STATE_CHANGE_ASYNC) {
GST_WARNING ("Set %s source pipeline to play timeout.", job->name);
*(job->output->state) = JOB_STATE_START_FAILURE;
return 4;
}
GST_INFO ("Set source pipeline to play state ok");
*(job->output->source.duration) = 0;
if (!job->is_live && gst_element_query_duration (job->source->pipeline, GST_FORMAT_TIME, &duration)) {
*(job->output->source.duration) = duration;
}
for (i = 0; i < job->encoder_array->len; i++) {
encoder = g_array_index (job->encoder_array, gpointer, i);
ret = gst_element_set_state (encoder->pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE) {
GST_WARNING ("Set %s to play error.", encoder->name);
*(job->output->state) = JOB_STATE_START_FAILURE;
return 5;
}
if (encoder->udpstreaming != NULL) {
ret = gst_element_set_state (encoder->udpstreaming, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE) {
GST_WARNING ("Set %s udpstreaming to play error.", encoder->name);
*(job->output->state) = JOB_STATE_START_FAILURE;
return 6;
}
}
GST_INFO ("Set encoder %s to play state ok", encoder->name);
}
*(job->output->state) = JOB_STATE_PLAYING;
GST_INFO ("Set job %s to play state ok", job->name);
return 0;
}
/*
* Audio joining function, same as the routine above but a little bit
* splited.
*
* actually into three parts:
* o. start. (start the routine and join one file).
* o. push. (add another file, somehow there's no 'pop' function :-) ).
* o. end. (finish).
*/
int audiojoining_start(const string infile, string outfile, unsigned long eid, unsigned int bsize, int* cancelop, int* pauseop, double spos, double epos, audioconvert_file_pfunc cfunc)
{
int format_blocksize;
unsigned int current_size; /* current file size */
unsigned int processed_size = 0; /* bytes encoded */
unsigned int rsize;
int readreturn;
void* ehandle; /* equalizer handle */
if(joining_started)return 0; /* already started */
/* set flag pointers */
joining_data.cancelop = cancelop;
joining_data.pauseop = pauseop;
joining_data.cfunc = cfunc;
/* input selection */
joining_data.converter_playerhandle = audio_input_selectinput(infile);
/* can we read the input file? */
if(joining_data.converter_playerhandle == (unsigned long)-1)return 0;
audio_input_plugin_initialize(joining_data.converter_playerhandle);
/* first, we gotta get some information */
if(!audio_input_plugin_loadfile(joining_data.converter_playerhandle, infile, &joining_data.converter_streamhandle))return 0;
/* calculate padding (we need to allocate a buffer to store all samples, not halves) */
audio_input_plugin_getformat(joining_data.converter_playerhandle, joining_data.converter_streamhandle, &joining_data.format_freq, &joining_data.format_bps, &joining_data.format_chan);
/* calculate block size for padding */
format_blocksize = (joining_data.format_bps / 8) * joining_data.format_chan;
/* allocate the buffer */
if(bsize % format_blocksize) /* don't need to add padding */
joining_data.buffersize = bsize;
else
joining_data.buffersize = bsize + (format_blocksize - (bsize % format_blocksize));
joining_data.buffer = (char*) sys_mem_alloc(joining_data.buffersize);
/* allright? */
if(!joining_data.buffer)
{
audio_input_plugin_unloadfile(joining_data.converter_playerhandle, joining_data.converter_streamhandle);
return 0;
}
current_size = audio_input_plugin_getduration_ms(joining_data.converter_playerhandle, joining_data.converter_streamhandle) * /* bytes per ms */ ((joining_data.format_freq / 1000) * (joining_data.format_bps / 8) * joining_data.format_chan);
audio_input_plugin_setposition(joining_data.converter_playerhandle, joining_data.converter_streamhandle, spos);
current_size = (unsigned int)((((double)current_size) * epos) - (((double)current_size) * spos));
/* we need an encoder too */
if(!encoder_initialize())
{
sys_mem_free(joining_data.buffer);
audio_input_plugin_unloadfile(joining_data.converter_playerhandle, joining_data.converter_streamhandle);
return 0;
}
/* which encoder? */
joining_data.encoder_playerhandle = eid;
encoder_plugin_initialize(joining_data.encoder_playerhandle);
/* create a file */
joining_data.encoder_streamhandle = encoder_plugin_file_create(joining_data.encoder_playerhandle, outfile);
if(joining_data.encoder_streamhandle == -1)
{
sys_mem_free(joining_data.buffer);
audio_input_plugin_unloadfile(joining_data.converter_playerhandle, joining_data.converter_streamhandle);
encoder_uninitialize();
return 1;
}
/* we gotta clear out the equalizer history buffer */
ehandle = equalize_buffer_variable_init(&settings.conversion.equalizer_bands, joining_data.format_chan, joining_data.format_freq);
/* start conversion */
for(;;)
{
/* first of all, we gotta check those pause/cancel flags */
if(*cancelop)goto point_end;
if(*pauseop) goto point_continue;
/* set buffer size to be read */
if(((int)current_size) - (int)(processed_size) > (int)joining_data.buffersize)
rsize = joining_data.buffersize;
else if(((int)current_size) - (int)(processed_size) > 0)
rsize = (((int)current_size) - (int)(processed_size));
else
rsize = 0;
/*
read data, on eof, error; 'read data' returns zero .
and we can also determine it using 'rsize'.
*/
readreturn = audio_input_plugin_readdata(joining_data.converter_playerhandle, joining_data.converter_streamhandle, (unsigned long*)&rsize, joining_data.buffer);
/* end of the file? */
if(!readreturn)goto point_end;
/* set block volume, gain */
if(settings.conversion.volume < 0.98f)
{
convert_setblock_volume((fennec_sample*) joining_data.buffer, joining_data.format_freq, joining_data.format_chan, joining_data.format_bps, rsize, (float)settings.conversion.volume);
}else if(settings.conversion.volume_gain > 0.02f){
convert_setblock_volume((fennec_sample*) joining_data.buffer, joining_data.format_freq, joining_data.format_chan, joining_data.format_bps, rsize, (float)settings.conversion.volume + 1.0f);
}
/* equalize block */
if(settings.joining.use_equalizer)
{
equalize_buffer_variable(joining_data.buffer, 0, joining_data.format_chan, joining_data.format_freq, joining_data.format_bps, rsize, ehandle);
}
/* copy data to the output file */
encoder_plugin_file_write(joining_data.encoder_playerhandle, joining_data.encoder_streamhandle, joining_data.buffer,
joining_data.format_freq,
joining_data.format_bps,
joining_data.format_chan, rsize);
/* call set position to dispaly some info */
processed_size += rsize;
if(cfunc && current_size)cfunc((double)processed_size / (double)current_size);
/* sleep awhile |-) */
sys_pass();
/* now check for eof */
if(rsize < joining_data.buffersize)goto point_end;
/* continue if paused */
goto point_continue_fast;
point_continue:
sys_sleep(100);
point_continue_fast:;
}
point_end:
/* finish! */
if(cfunc)cfunc(1.0f);
audio_input_plugin_unloadfile(joining_data.converter_playerhandle, joining_data.converter_streamhandle);
joining_started = 1;
return 1;
}
