frodovdr/vdr-plugin-femon
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Enchanced both progressive frame and frame rate detection.

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This commit is contained in:
Rolf Ahrenberg 2011-11-19 19:56:51 +02:00
parent ac4d414597
commit f1a671650f
1 changed files with 9 additions and 18 deletions
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27
femonh264.c
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@ -167,7 +167,8 @@ bool cFemonH264::processVideo(const uint8_t *buf, int len)
m_VideoHandler->SetVideoFormat(m_Format);
m_VideoHandler->SetVideoSize(m_Width, m_Height);
m_VideoHandler->SetVideoAspectRatio(m_AspectRatio);
m_VideoHandler->SetVideoFramerate(m_FrameRate);
m_VideoHandler->SetVideoScan(m_Scan);
m_VideoHandler->SetVideoFramerate((m_Scan == VIDEO_SCAN_PROGRESSIVE) ? (m_FrameRate / 2) : m_FrameRate);
m_VideoHandler->SetVideoBitrate(m_BitRate);
}
if (sei_found) {
@ -625,6 +626,7 @@ int cFemonH264::parseSPS(const uint8_t *buf, int len)
m_Height = height;
m_AspectRatio = aspect_ratio;
m_Format = format;
m_Scan = frame_mbs_only_flag ? VIDEO_SCAN_PROGRESSIVE : VIDEO_SCAN_INTERLACED;
m_FrameRate = frame_rate;
m_BitRate = bit_rate;
m_CpbDpbDelaysPresentFlag = cpb_dpb_delays_present_flag;
@ -663,7 +665,7 @@ int cFemonH264::parseSEI(const uint8_t *buf, int len)
bs.SkipUeGolomb(); // dpb_output_delay
}
if (m_PicStructPresentFlag) { // pic_struct_present_flag
uint32_t pic_struct;
uint32_t pic_struct, ct_type = 0, i = 0;
pic_struct = bs.GetBits(4); // pic_struct
if (pic_struct >= (sizeof(s_SeiNumClockTsTable)) / sizeof(s_SeiNumClockTsTable[0]))
return 0;
@ -690,24 +692,11 @@ int cFemonH264::parseSEI(const uint8_t *buf, int len)
}
}
//debug("H.264 SEI: pic struct %d scan type %d\n", pic_struct, scan);
for (int i = 0; i < s_SeiNumClockTsTable[pic_struct]; ++i) {
for (i = 0; i < s_SeiNumClockTsTable[pic_struct]; ++i) {
if (bs.GetBit()) { // clock_timestamp_flag[i]
int full_timestamp_flag;
switch (bs.GetBits(2)) { // ct_type
case 0:
scan = VIDEO_SCAN_PROGRESSIVE;
break;
case 1:
scan = VIDEO_SCAN_INTERLACED;
break;
case 2:
scan = VIDEO_SCAN_UNKNOWN;
break;
default:
scan = VIDEO_SCAN_RESERVED;
break;
}
//debug("H.264 SEI: scan type %d\n", scan);
ct_type |= (1 << bs.GetBits(2)); // ct_type
//debug("H.264 SEI: ct type %04X\n", ct_type);
bs.SkipBit(); // nuit_field_based_flag
bs.SkipBits(5); // counting_type
full_timestamp_flag = bs.GetBit(); // full_timestamp_flag
@ -733,6 +722,8 @@ int cFemonH264::parseSEI(const uint8_t *buf, int len)
bs.SkipBits(m_TimeOffsetLength); // time_offset
}
}
if (i > 0)
scan = (ct_type & (1 << 1)) ? VIDEO_SCAN_INTERLACED : VIDEO_SCAN_PROGRESSIVE;
}
break;