static int aio_pthread_write(struct vfs_handle_struct *handle,
struct files_struct *fsp,
SMB_STRUCT_AIOCB *aiocb)
{
struct aio_extra *aio_ex = (struct aio_extra *)aiocb->aio_sigevent.sigev_value.sival_ptr;
struct aio_private_data *pd = NULL;
int ret;
if (!init_aio_threadpool(handle)) {
return -1;
}
pd = create_private_data(aio_ex, aiocb);
if (pd == NULL) {
DEBUG(10, ("aio_pthread_write: Could not create private data.\n"));
return -1;
}
pd->write_command = true;
ret = pthreadpool_add_job(pool, pd->jobid, aio_worker, (void *)pd);
if (ret) {
errno = ret;
return -1;
}
DEBUG(10, ("aio_pthread_write: jobid=%d pwrite requested "
"of %llu bytes at offset %llu\n",
pd->jobid,
(unsigned long long)pd->aiocb->aio_nbytes,
(unsigned long long)pd->aiocb->aio_offset));
return 0;
}
int
mpeg1_2_video_packetizer_c::process(packet_cptr packet) {
if (0.0 > m_fps)
extract_fps(packet->data->get_buffer(), packet->data->get_size());
if (!m_aspect_ratio_extracted)
extract_aspect_ratio(packet->data->get_buffer(), packet->data->get_size());
if (m_framed)
return process_framed(packet);
int state = m_parser.GetState();
if ((MPV_PARSER_STATE_EOS == state) || (MPV_PARSER_STATE_ERROR == state))
return FILE_STATUS_DONE;
memory_cptr old_memory = packet->data;
unsigned char *data_ptr = old_memory->get_buffer();
int new_bytes = old_memory->get_size();
if (packet->has_timecode())
m_parser.AddTimecode(packet->timecode);
do {
int bytes_to_add = (m_parser.GetFreeBufferSpace() < new_bytes) ? m_parser.GetFreeBufferSpace() : new_bytes;
if (0 < bytes_to_add) {
m_parser.WriteData(data_ptr, bytes_to_add);
data_ptr += bytes_to_add;
new_bytes -= bytes_to_add;
}
state = m_parser.GetState();
while (MPV_PARSER_STATE_FRAME == state) {
MPEGFrame *frame = m_parser.ReadFrame();
if (NULL == frame)
break;
if (NULL == m_hcodec_private)
create_private_data();
packet_cptr new_packet = packet_cptr(new packet_t(new memory_c(frame->data, frame->size, true), frame->timecode, frame->duration, frame->firstRef, frame->secondRef));
new_packet->time_factor = MPEG2_PICTURE_TYPE_FRAME == frame->pictureStructure ? 1 : 2;
put_sequence_headers_into_codec_state(new_packet);
video_packetizer_c::process(new_packet);
frame->data = NULL;
delete frame;
state = m_parser.GetState();
}
} while (0 < new_bytes);
return FILE_STATUS_MOREDATA;
}
gp_tool *
tool_color_pick_init ( gp_canvas * canvas )
{
create_private_data ();
m_priv->cv = canvas;
m_priv->tool.button_press = button_press;
m_priv->tool.button_release = button_release;
m_priv->tool.button_motion = button_motion;
m_priv->tool.draw = draw;
m_priv->tool.reset = reset;
m_priv->tool.destroy = destroy;
return &m_priv->tool;
}
int
mpeg1_2_video_packetizer_c::process_unframed(packet_cptr packet) {
int state = m_parser.GetState();
if ((MPV_PARSER_STATE_EOS == state) || (MPV_PARSER_STATE_ERROR == state))
return FILE_STATUS_DONE;
auto old_memory = packet->data;
auto data_ptr = old_memory->get_buffer();
int new_bytes = old_memory->get_size();
if (packet->has_timecode())
m_parser.AddTimecode(packet->timecode);
do {
int bytes_to_add = std::min<int>(m_parser.GetFreeBufferSpace(), new_bytes);
if (0 < bytes_to_add) {
m_parser.WriteData(data_ptr, bytes_to_add);
data_ptr += bytes_to_add;
new_bytes -= bytes_to_add;
}
state = m_parser.GetState();
while (MPV_PARSER_STATE_FRAME == state) {
auto frame = std::shared_ptr<MPEGFrame>(m_parser.ReadFrame());
if (!frame)
break;
if (!m_hcodec_private)
create_private_data();
packet_cptr new_packet = packet_cptr(new packet_t(new memory_c(frame->data, frame->size, true), frame->timecode, frame->duration, frame->refs[0], frame->refs[1]));
new_packet->time_factor = MPEG2_PICTURE_TYPE_FRAME == frame->pictureStructure ? 1 : 2;
remove_stuffing_bytes_and_handle_sequence_headers(new_packet);
generic_video_packetizer_c::process(new_packet);
frame->data = nullptr;
state = m_parser.GetState();
}
} while (0 < new_bytes);
return FILE_STATUS_MOREDATA;
}
