static void vorbis_process(stream_processor *stream, ogg_page *page )
{
ogg_packet packet;
misc_vorbis_info *inf = stream->data;
int i, header=0;
int k;
ogg_stream_pagein(&stream->os, page);
if(inf->doneheaders < 3)
header = 1;
while(ogg_stream_packetout(&stream->os, &packet) > 0) {
if(inf->doneheaders < 3) {
if(vorbis_synthesis_headerin(&inf->vi, &inf->vc, &packet) < 0) {
warn(_("Warning: Could not decode vorbis header "
"packet - invalid vorbis stream (%d)\n"), stream->num);
continue;
}
inf->doneheaders++;
if(inf->doneheaders == 3) {
if(ogg_page_granulepos(page) != 0 || ogg_stream_packetpeek(&stream->os, NULL) == 1)
warn(_("Warning: Vorbis stream %d does not have headers "
"correctly framed. Terminal header page contains "
"additional packets or has non-zero granulepos\n"),
stream->num);
info(_("Vorbis headers parsed for stream %d, "
"information follows...\n"), stream->num);
info(_("Version: %d\n"), inf->vi.version);
k = 0;
while(releases[k].vendor_string) {
if(!strcmp(inf->vc.vendor, releases[k].vendor_string)) {
info(_("Vendor: %s (%s)\n"), inf->vc.vendor,
releases[k].desc);
break;
}
k++;
}
if(!releases[k].vendor_string)
info(_("Vendor: %s\n"), inf->vc.vendor);
info(_("Channels: %d\n"), inf->vi.channels);
info(_("Rate: %ld\n\n"), inf->vi.rate);
if(inf->vi.bitrate_nominal > 0)
info(_("Nominal bitrate: %f kb/s\n"),
(double)inf->vi.bitrate_nominal / 1000.0);
else
info(_("Nominal bitrate not set\n"));
if(inf->vi.bitrate_upper > 0)
info(_("Upper bitrate: %f kb/s\n"),
(double)inf->vi.bitrate_upper / 1000.0);
else
info(_("Upper bitrate not set\n"));
if(inf->vi.bitrate_lower > 0)
info(_("Lower bitrate: %f kb/s\n"),
(double)inf->vi.bitrate_lower / 1000.0);
else
info(_("Lower bitrate not set\n"));
if(inf->vc.comments > 0)
info(_("User comments section follows...\n"));
for(i=0; i < inf->vc.comments; i++) {
char *comment = inf->vc.user_comments[i];
check_xiph_comment(stream, i, comment,
inf->vc.comment_lengths[i]);
}
}
}
}
if(!header) {
ogg_int64_t gp = ogg_page_granulepos(page);
if(gp > 0) {
if(gp < inf->lastgranulepos)
#ifdef _WIN32
warn(_("Warning: granulepos in stream %d decreases from %I64d to %I64d" ),
stream->num, inf->lastgranulepos, gp);
#else
warn(_("Warning: granulepos in stream %d decreases from %lld to %lld" ),
stream->num, inf->lastgranulepos, gp);
#endif
inf->lastgranulepos = gp;
}
else {
warn(_("Negative granulepos on vorbis stream outside of headers. This file was created by a buggy encoder\n"));
}
if(inf->firstgranulepos < 0) { /* Not set yet */
}
inf->bytes += page->header_len + page->body_len;
}
}
static void theora_process(stream_processor *stream, ogg_page *page)
{
ogg_packet packet;
misc_theora_info *inf = stream->data;
int i, header=0;
int res;
ogg_stream_pagein(&stream->os, page);
if(inf->doneheaders < 3)
header = 1;
while(1) {
res = ogg_stream_packetout(&stream->os, &packet);
if(res < 0) {
warn(_("WARNING: discontinuity in stream (%d)\n"), stream->num);
continue;
}
else if (res == 0)
break;
if(inf->doneheaders < 3) {
if(theora_decode_header(&inf->ti, &inf->tc, &packet) < 0) {
warn(_("WARNING: Could not decode Theora header "
"packet - invalid Theora stream (%d)\n"), stream->num);
continue;
}
inf->doneheaders++;
if(inf->doneheaders == 3) {
if(ogg_page_granulepos(page) != 0 || ogg_stream_packetpeek(&stream->os, NULL) == 1)
warn(_("WARNING: Theora stream %d does not have headers "
"correctly framed. Terminal header page contains "
"additional packets or has non-zero granulepos\n"),
stream->num);
info(_("Theora headers parsed for stream %d, "
"information follows...\n"), stream->num);
info(_("Version: %d.%d.%d\n"), inf->ti.version_major, inf->ti.version_minor, inf->ti.version_subminor);
info(_("Vendor: %s\n"), inf->tc.vendor);
info(_("Width: %d\n"), inf->ti.frame_width);
info(_("Height: %d\n"), inf->ti.frame_height);
info(_("Total image: %d by %d, crop offset (%d, %d)\n"),
inf->ti.width, inf->ti.height, inf->ti.offset_x, inf->ti.offset_y);
if(inf->ti.offset_x + inf->ti.frame_width > inf->ti.width)
warn(_("Frame offset/size invalid: width incorrect\n"));
if(inf->ti.offset_y + inf->ti.frame_height > inf->ti.height)
warn(_("Frame offset/size invalid: height incorrect\n"));
if(inf->ti.fps_numerator == 0 || inf->ti.fps_denominator == 0)
warn(_("Invalid zero framerate\n"));
else
info(_("Framerate %d/%d (%.02f fps)\n"), inf->ti.fps_numerator, inf->ti.fps_denominator, (float)inf->ti.fps_numerator/(float)inf->ti.fps_denominator);
if(inf->ti.aspect_numerator == 0 || inf->ti.aspect_denominator == 0)
{
info(_("Aspect ratio undefined\n"));
}
else
{
float frameaspect = (float)inf->ti.frame_width/(float)inf->ti.frame_height * (float)inf->ti.aspect_numerator/(float)inf->ti.aspect_denominator;
info(_("Pixel aspect ratio %d:%d (%f:1)\n"), inf->ti.aspect_numerator, inf->ti.aspect_denominator, (float)inf->ti.aspect_numerator/(float)inf->ti.aspect_denominator);
if(fabs(frameaspect - 4.0/3.0) < 0.02)
info(_("Frame aspect 4:3\n"));
else if(fabs(frameaspect - 16.0/9.0) < 0.02)
info(_("Frame aspect 16:9\n"));
else
info(_("Frame aspect %f:1\n"), frameaspect);
}
if(inf->ti.colorspace == OC_CS_ITU_REC_470M)
info(_("Colourspace: Rec. ITU-R BT.470-6 System M (NTSC)\n"));
else if(inf->ti.colorspace == OC_CS_ITU_REC_470BG)
info(_("Colourspace: Rec. ITU-R BT.470-6 Systems B and G (PAL)\n"));
else
info(_("Colourspace unspecified\n"));
if(inf->ti.pixelformat == OC_PF_420)
info(_("Pixel format 4:2:0\n"));
else if(inf->ti.pixelformat == OC_PF_422)
info(_("Pixel format 4:2:2\n"));
else if(inf->ti.pixelformat == OC_PF_444)
info(_("Pixel format 4:4:4\n"));
else
warn(_("Pixel format invalid\n"));
info(_("Target bitrate: %d kbps\n"), inf->ti.target_bitrate/1000);
info(_("Nominal quality setting (0-63): %d\n"), inf->ti.quality);
if(inf->tc.comments > 0)
info(_("User comments section follows...\n"));
for(i=0; i < inf->tc.comments; i++) {
char *comment = inf->tc.user_comments[i];
check_xiph_comment(stream, i, comment,
inf->tc.comment_lengths[i]);
}
}
}
else {
ogg_int64_t framenum;
ogg_int64_t iframe,pframe;
ogg_int64_t gp = packet.granulepos;
if(gp > 0) {
iframe=gp>>inf->ti.granule_shift;
pframe=gp-(iframe<<inf->ti.granule_shift);
framenum = iframe+pframe;
if(inf->framenum_expected >= 0 &&
inf->framenum_expected != framenum)
{
warn(_("WARNING: Expected frame %" I64FORMAT
", got %" I64FORMAT "\n"),
inf->framenum_expected, framenum);
}
inf->framenum_expected = framenum + 1;
}
else if (inf->framenum_expected >= 0) {
inf->framenum_expected++;
}
}
static void theora_process(stream_processor *stream, ogg_page *page)
{
ogg_packet packet;
misc_theora_info *inf = stream->data;
int i, header=0;
ogg_stream_pagein(&stream->os, page);
if(inf->doneheaders < 3)
header = 1;
while(ogg_stream_packetout(&stream->os, &packet) > 0) {
if(inf->doneheaders < 3) {
if(theora_decode_header(&inf->ti, &inf->tc, &packet) < 0) {
warn(_("Warning: Could not decode theora header "
"packet - invalid theora stream (%d)\n"), stream->num);
continue;
}
inf->doneheaders++;
if(inf->doneheaders == 3) {
if(ogg_page_granulepos(page) != 0 || ogg_stream_packetpeek(&stream->os, NULL) == 1)
warn(_("Warning: Theora stream %d does not have headers "
"correctly framed. Terminal header page contains "
"additional packets or has non-zero granulepos\n"),
stream->num);
info(_("Theora headers parsed for stream %d, "
"information follows...\n"), stream->num);
info(_("Version: %d.%d.%d\n"), inf->ti.version_major, inf->ti.version_minor, inf->ti.version_subminor);
info(_("Vendor: %s\n"), inf->tc.vendor);
info(_("Width: %d\n"), inf->ti.frame_width);
info(_("Height: %d\n"), inf->ti.frame_height);
info(_("Total image: %d by %d, crop offset (%d, %d)\n"),
inf->ti.width, inf->ti.height, inf->ti.offset_x, inf->ti.offset_y);
if(inf->ti.offset_x + inf->ti.frame_width > inf->ti.width)
warn(_("Frame offset/size invalid: width incorrect\n"));
if(inf->ti.offset_y + inf->ti.frame_height > inf->ti.height)
warn(_("Frame offset/size invalid: height incorrect\n"));
if(inf->ti.fps_numerator == 0 || inf->ti.fps_denominator == 0)
warn(_("Invalid zero framerate\n"));
else
info(_("Framerate %d/%d (%.02f fps)\n"), inf->ti.fps_numerator, inf->ti.fps_denominator, (float)inf->ti.fps_numerator/(float)inf->ti.fps_denominator);
if(inf->ti.aspect_numerator == 0 || inf->ti.aspect_denominator == 0)
{
info(_("Aspect ratio undefined\n"));
}
else
{
float frameaspect = (float)inf->ti.frame_width/(float)inf->ti.frame_height * (float)inf->ti.aspect_numerator/(float)inf->ti.aspect_denominator;
info(_("Pixel aspect ratio %d:%d (1:%f)\n"), inf->ti.aspect_numerator, inf->ti.aspect_denominator, (float)inf->ti.aspect_numerator/(float)inf->ti.aspect_denominator);
if(abs(frameaspect - 4.0/3.0) < 0.02)
info(_("Frame aspect 4:3\n"));
else if(abs(frameaspect - 16.0/9.0) < 0.02)
info(_("Frame aspect 16:9\n"));
else
info(_("Frame aspect 1:%d\n"), frameaspect);
}
if(inf->ti.colorspace == OC_CS_ITU_REC_470M)
info(_("Colourspace: Rec. ITU-R BT.470-6 System M (NTSC)\n"));
else if(inf->ti.colorspace == OC_CS_ITU_REC_470BG)
info(_("Colourspace: Rec. ITU-R BT.470-6 Systems B and G (PAL)\n"));
else
info(_("Colourspace unspecified\n"));
if(inf->ti.pixelformat == OC_PF_420)
info(_("Pixel format 4:2:0\n"));
else if(inf->ti.pixelformat == OC_PF_422)
info(_("Pixel format 4:2:2\n"));
else if(inf->ti.pixelformat == OC_PF_444)
info(_("Pixel format 4:4:4\n"));
else
warn(_("Pixel format invalid\n"));
info(_("Target bitrate: %d kbps\n"), inf->ti.target_bitrate/1000);
info(_("Nominal quality setting (0-63): %d\n"), inf->ti.quality);
if(inf->tc.comments > 0)
info(_("User comments section follows...\n"));
for(i=0; i < inf->tc.comments; i++) {
char *comment = inf->tc.user_comments[i];
check_xiph_comment(stream, i, comment,
inf->tc.comment_lengths[i]);
}
}
}
}
if(!header) {
ogg_int64_t gp = ogg_page_granulepos(page);
if(gp > 0) {
if(gp < inf->lastgranulepos)
#ifdef _WIN32
warn(_("Warning: granulepos in stream %d decreases from %I64d to %I64d" ),
stream->num, inf->lastgranulepos, gp);
#else
warn(_("Warning: granulepos in stream %d decreases from %lld to %lld" ),
stream->num, inf->lastgranulepos, gp);
#endif
inf->lastgranulepos = gp;
}
if(inf->firstgranulepos < 0) { /* Not set yet */
}
inf->bytes += page->header_len + page->body_len;
}
}