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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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hdvparse: Emit a GST_MESSAGE_ELEMENT with some goodness in it.
This commit is contained in:
Edward Hervey
parent
37254a21f4
commit
0e1ee9031a
1 changed files with 67 additions and 18 deletions
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@ -69,7 +69,7 @@ enum
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/* If set to 1, then extra validation will be applied to check
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* for complete spec compliance wherever applicable. */
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#define VALIDATE 1
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#define VALIDATE 0
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/* Binary-coded decimal reading macro */
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#define BCD(c) ( ((((c) >> 4) & 0x0f) * 10) + ((c) & 0x0f) )
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@ -186,7 +186,8 @@ sfr_to_framerate (guint8 sfr)
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}
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static GstFlowReturn
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parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size)
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parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size,
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GstStructure * st)
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{
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guint64 offs = 1;
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@ -208,12 +209,15 @@ parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG (" Iris position %d (0x%x)", irispos, irispos);
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/* Iris position = 2 ^ (IP/8) (for 0 < IP < 0x3C) */
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if (irispos < 0x3c)
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if (irispos < 0x3c) {
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GST_LOG (" IRIS F%0.2f", powf (2.0, (((float) irispos) / 8.0)));
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else if (irispos == 0x3d)
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gst_structure_set (st, "aperture-fnumber", G_TYPE_FLOAT,
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powf (2.0, (((float) irispos) / 8.0)), NULL);
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} else if (irispos == 0x3d) {
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GST_LOG (" IRIS < 1.0");
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else if (irispos == 0x3e)
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} else if (irispos == 0x3e) {
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GST_LOG (" IRIS closed");
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}
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/* AE Mode:
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* 0 : Full automatic
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@ -227,8 +231,9 @@ parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG (" AGC: %d (0x%x)", agc, agc);
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if (agc < 0xd) {
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GST_LOG (" Gain:%02.2fdB", (agc - 1.0) * 1.5);
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GST_LOG (" Gain:%02.2fdB", (agc * 3.0) - 3);
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/* This is what the spec says.. but I'm not seeing the same on my camera :( */
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GST_LOG (" Gain:%02.2fdB", (agc * 3.0) - 3.0);
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gst_structure_set (st, "gain", G_TYPE_FLOAT, (agc * 3.0) - 3.0, NULL);
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}
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/* White balance mode
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* 0 : Automatic
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@ -301,10 +306,12 @@ parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size)
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speedint = speedint / 10 * 10;
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GST_LOG (" Shutter speed : 1/%d", speedint);
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gst_structure_set (st, "shutter-speed", GST_TYPE_FRACTION,
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1, speedint, NULL);
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}
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break;
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default:
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gst_util_dump_mem (data + offs, 5);
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GST_MEMDUMP ("Unknown pack", data + offs, 5);
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break;
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}
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size -= 5;
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@ -314,7 +321,8 @@ parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size)
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}
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static GstFlowReturn
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parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size,
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GstStructure * st)
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{
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guint32 etn, bitrate;
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guint8 nbframes, data_h, hdr_size, sfr, sdm;
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@ -405,6 +413,9 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG_OBJECT (filter, " Source Frame Rate : %s (0x%x)",
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sfr_to_framerate (sfr), sfr);
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gst_structure_set (st, "DTS", G_TYPE_UINT64, MPEGTIME_TO_GSTTIME (dts),
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"interlaced", G_TYPE_BOOLEAN, !pf, NULL);
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/* Search Data Mode
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* ---------------------------------
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* 15 | Search Data Mode |
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@ -482,7 +493,6 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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(chroma == 0x1) ? "4:2:0" : "RESERVED", chroma);
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GST_LOG_OBJECT (filter, " GOP N/M : %d / %d", gop_n, gop_m);
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/* data availability
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* ---------------------------------
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* 29 | 0 | 0 | 0 | 0 | 0 |PE2|PE1|PE0|
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@ -494,6 +504,8 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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if (data[29] & 0x1) {
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guint8 fr, sec, min, hr;
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gboolean bf, df;
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gchar *ttcs;
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/* HD2 TTC
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* ---------------------------------
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* 30 |BF |DF |Tens Fr|Units of Frames|
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@ -513,12 +525,19 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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hr = BCD (data[33] & 0x3f);
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GST_LOG_OBJECT (filter, " HD2 Title Time Code");
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GST_LOG_OBJECT (filter, " BF:%d, Drop Frame:%d", bf, df);
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GST_LOG_OBJECT (filter, " Timecode %02d:%02d:%02d.%02d", hr, min, sec, fr);
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ttcs = g_strdup_printf ("%02d:%02d:%02d.%02d", hr, min, sec, fr);
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GST_LOG_OBJECT (filter, " Timecode %s", ttcs);
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/* FIXME : Use framerate information from above to convert to GstClockTime */
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gst_structure_set (st, "title-time-code", G_TYPE_STRING, ttcs, NULL);
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g_free (ttcs);
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}
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if (data[29] & 0x2) {
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gboolean ds, tm;
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guint8 tz, day, dow, month, year;
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GDate *date;
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/* REC DATE
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* ---------------------------------
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* 34 |DS |TM |Tens TZ|Units of TimeZn|
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@ -542,9 +561,17 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG_OBJECT (filter, " ds:%d, tm:%d", ds, tm);
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GST_LOG_OBJECT (filter, " Timezone: %d", tz);
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GST_LOG_OBJECT (filter, " Date: %d %02d/%02d/%04d", dow, day, month, year);
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date = g_date_new_dmy (day, month, year);
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gst_structure_set (st, "date", GST_TYPE_DATE, date,
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"timezone", G_TYPE_INT, tz,
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"daylight-saving", G_TYPE_BOOLEAN, ds, NULL);
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g_date_free (date);
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}
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if (data[29] & 0x4) {
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guint8 fr, sec, min, hr;
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gchar *times;
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/* REC TIME
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* ---------------------------------
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* 38 | 1 | 1 |Tens Fr|Units of Frames|
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@ -560,7 +587,10 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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sec = BCD (data[39] & 0x7f);
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min = BCD (data[40] & 0x7f);
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hr = BCD (data[41] & 0x3f);
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times = g_strdup_printf ("%02d:%02d:%02d", hr, min, sec);
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GST_LOG_OBJECT (filter, " REC TIME %02d:%02d:%02d.%02d", hr, min, sec, fr);
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gst_structure_set (st, "time", G_TYPE_STRING, times, NULL);
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g_free (times);
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}
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/* MISC
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@ -578,6 +608,8 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG_OBJECT (filter, " ABST : %s",
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(abst == 0) ? "DISCONTINUITY" : "NO DISCONTINUITY");
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gst_structure_set (st, "recording-start-point", G_TYPE_BOOLEAN, !recst, NULL);
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/* Extended DV Pack #1
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* 43 - 47
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*/
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@ -598,7 +630,8 @@ parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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}
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static GstFlowReturn
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parse_audio_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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parse_audio_frame (GstHDVParse * filter, guint8 * data, guint64 size,
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GstStructure * st)
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{
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guint32 etn;
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guint8 nbmute, nbaau;
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@ -718,6 +751,10 @@ parse_audio_frame (GstHDVParse * filter, guint8 * data, guint64 size)
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GST_LOG_OBJECT (filter, " CGMS : 0x%x", cgms);
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GST_LOG_OBJECT (filter, " Recording Start Point %s",
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(recst) ? "ABSENT" : "PRESENT");
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gst_structure_set (st, "PTS", G_TYPE_UINT64, MPEGTIME_TO_GSTTIME (pts),
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"recording-start-point", G_TYPE_BOOLEAN, !recst, NULL);
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return GST_FLOW_OK;
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}
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@ -728,6 +765,7 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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guint8 *data = GST_BUFFER_DATA (buf);
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guint64 offs = 0;
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guint64 insize = GST_BUFFER_SIZE (buf);
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GstStructure *st;
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/* Byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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* ---------------------------------
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@ -753,7 +791,7 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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* 0x7F : AUX-N NULL PACK
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*/
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gst_util_dump_mem (data, insize);
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st = gst_structure_empty_new ("hdv-aux");
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while (res == GST_FLOW_OK && (offs < insize)) {
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guint8 kw = data[offs] & 0x7f;
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@ -767,8 +805,10 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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/* Size validation */
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GST_DEBUG ("kw:0x%x, insize:%d, offs:%d, size:%d", kw, insize, offs, size);
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if (insize < offs + size)
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return GST_FLOW_ERROR;
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if (insize < offs + size) {
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res = GST_FLOW_ERROR;
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goto beach;
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}
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switch (kw) {
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case 0x01:
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@ -780,7 +820,7 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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break;
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case 0x40:
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GST_LOG ("Audio frame pack");
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res = parse_audio_frame (filter, data + offs + 1, size);
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res = parse_audio_frame (filter, data + offs + 1, size, st);
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offs += size + 2;
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break;
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case 0x3f:
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@ -789,7 +829,7 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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break;
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case 0x44:
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GST_LOG ("Video frame pack");
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res = parse_video_frame (filter, data + offs + 1, size);
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res = parse_video_frame (filter, data + offs + 1, size, st);
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offs += size + 2;
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break;
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case 0x48:
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@ -797,7 +837,7 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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case 0x4A:
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case 0x4B:
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GST_LOG ("DV multi-pack");
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res = parse_dv_multi_pack (filter, data + offs + 1, size);
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res = parse_dv_multi_pack (filter, data + offs + 1, size, st);
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offs += size + 2;
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break;
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default:
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@ -806,6 +846,15 @@ gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf)
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}
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}
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beach:
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if (gst_structure_n_fields (st)) {
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GstMessage *msg;
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/* Emit the element message */
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msg = gst_message_new_element (GST_OBJECT (filter), st);
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gst_element_post_message (GST_ELEMENT (filter), msg);
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} else
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gst_structure_free (st);
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return res;
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}
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