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Native MPEG-4 part 2: The very first frame must get the first timecode available.

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This commit is contained in:
Moritz Bunkus 2005-10-07 13:49:10 +00:00
parent 04074160f3
commit e277c1849c
1 changed files with 16 additions and 1 deletions
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17
src/output/p_video.cpp
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@ -356,7 +356,7 @@ mpeg4_p2_video_packetizer_c(generic_reader_c *_reader,
bool _input_is_native, bool _input_is_native,
track_info_c &_ti): track_info_c &_ti):
video_packetizer_c(_reader, MKV_V_MPEG4_ASP, _fps, _width, _height, _ti), video_packetizer_c(_reader, MKV_V_MPEG4_ASP, _fps, _width, _height, _ti),
timecodes_generated(0), last_i_p_frame(0), previous_timecode(0), timecodes_generated(0), last_i_p_frame(-1), previous_timecode(0),
aspect_ratio_extracted(false), input_is_native(_input_is_native), aspect_ratio_extracted(false), input_is_native(_input_is_native),
output_is_native(hack_engaged(ENGAGE_NATIVE_MPEG4)), output_is_native(hack_engaged(ENGAGE_NATIVE_MPEG4)),
size_extracted(false) { size_extracted(false) {
@ -609,6 +609,21 @@ mpeg4_p2_video_packetizer_c::flush_frames(bool end_of_file) {
(available_durations.size() < queued_frames.size())) (available_durations.size() < queued_frames.size()))
handle_missing_timecodes(end_of_file); handle_missing_timecodes(end_of_file);
// Very first frame?
if (-1 == last_i_p_frame) {
video_frame_t &frame = queued_frames.front();
last_i_p_frame = available_timecodes[0];
add_packet(new packet_t(new memory_c(frame.data, frame.size, true),
last_i_p_frame, available_durations[0], -1, -1));
available_timecodes.erase(available_timecodes.begin(),
available_timecodes.begin() + 1);
available_durations.erase(available_durations.begin(),
available_durations.begin() + 1);
queued_frames.pop_front();
flush_frames(end_of_file);
return;
}
queued_frames[0].timecode = available_timecodes[queued_frames.size() - 1]; queued_frames[0].timecode = available_timecodes[queued_frames.size() - 1];
queued_frames[0].duration = available_durations[queued_frames.size() - 1]; queued_frames[0].duration = available_durations[queued_frames.size() - 1];
queued_frames[0].fref = -1; queued_frames[0].fref = -1;