void
generic_packetizer_c::force_duration_on_last_packet() {
if (m_packet_queue.empty()) {
mxverb_tid(3, m_ti.m_fname, m_ti.m_id, "force_duration_on_last_packet: packet queue is empty\n");
return;
}
packet_cptr &packet = m_packet_queue.back();
packet->duration_mandatory = true;
mxverb_tid(3, m_ti.m_fname, m_ti.m_id,
boost::format("force_duration_on_last_packet: forcing at %1% with %|2$.3f|ms\n") % format_timestamp(packet->timecode) % (packet->duration / 1000.0));
}
void
avi_reader_c::create_video_packetizer() {
size_t i;
mxverb_tid(4, m_ti.m_fname, 0, "frame sizes:\n");
for (i = 0; i < m_max_video_frames; i++) {
m_bytes_to_process += AVI_frame_size(m_avi, i);
mxverb(4, boost::format(" %1%: %2%\n") % i % AVI_frame_size(m_avi, i));
}
if (m_avi->bitmap_info_header) {
m_ti.m_private_data = memory_c::clone(m_avi->bitmap_info_header, get_uint32_le(&m_avi->bitmap_info_header->bi_size));
mxverb(4, boost::format("track extra data size: %1%\n") % (m_ti.m_private_data->get_size() - sizeof(alBITMAPINFOHEADER)));
if (sizeof(alBITMAPINFOHEADER) < m_ti.m_private_data->get_size())
mxverb(4, boost::format(" %1%\n") % to_hex(m_ti.m_private_data->get_buffer() + sizeof(alBITMAPINFOHEADER), m_ti.m_private_data->get_size() - sizeof(alBITMAPINFOHEADER)));
}
const char *codec = AVI_video_compressor(m_avi);
if (mpeg4::p2::is_v3_fourcc(codec))
m_divx_type = DIVX_TYPE_V3;
else if (mpeg4::p2::is_fourcc(codec))
m_divx_type = DIVX_TYPE_MPEG4;
if (map_has_key(m_ti.m_default_durations, 0))
m_fps = 1000000000.0 / m_ti.m_default_durations[0];
else if (map_has_key(m_ti.m_default_durations, -1))
m_fps = 1000000000.0 / m_ti.m_default_durations[-1];
m_ti.m_id = 0; // ID for the video track.
if (DIVX_TYPE_MPEG4 == m_divx_type)
create_mpeg4_p2_packetizer();
else if (mpeg4::p10::is_avc_fourcc(codec) && !hack_engaged(ENGAGE_ALLOW_AVC_IN_VFW_MODE))
create_mpeg4_p10_packetizer();
else if (mpeg1_2::is_fourcc(get_uint32_le(codec)))
create_mpeg1_2_packetizer();
else if (FOURCC('V', 'P', '8', '0') == get_uint32_be(codec))
create_vp8_packetizer();
else
create_standard_video_packetizer();
}
