PROP_START_GAP_THRESHOLD,
PROP_FORCE_CREATE_TIMECODE_TRAK,
PROP_FRAGMENT_MODE,
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ PROP_EXPECTED_TRAILER_SIZE,
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
};
/* some spare for header size as well */
static GstElementClass *parent_class = NULL;
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+/*
+ [[ Metadata Size ]]
+ 1. Common
+ free = 8
+ moov = 8
+ mvhd = 108
+ -------------
+ total : 124
+
+ 2. Video
+ i. Video common
+ trak = 8
+ tkhd = 92
+ mdia = 8
+ mdhd = 32
+ hdlr = 45
+ minf = 8
+ vmhd = 20
+ dinf = 36 (8, dref : 16 , url : 12)
+ stbl = 8
+ ---------------
+ total : 257
+
+ ii. Variation in file format
+ - MP4
+ ftyp = 32
+ udta = 61
+ - 3GP
+ ftyp = 28
+ udta = 8
+
+ iii. Variation in codec
+ - MPEG4
+ stsd = 137(16, mp4v : 86, esds : 35)
+
+ - H.264 = 487(or 489) + (8*stts_count) + (8*frame) + (4*I-frame)
+ stsd = 134 (SPS 9, PPS 4) or 136 (SPS 111, PPS 4)
+
+ - H.263 = 470 + + (8*stts_count) + (8*frame) + (4*I-frame)
+ stsd = 102 -> different from H.264
+
+ iv. Variation in frame
+ stts = 16 + (8*stts_count)
+ stss = 16 + (4*I-frame)
+ stsc = 28
+ stsz = 20 + (4*frame)
+ stco = 16 + (4*frame)
+
+ 3. Audio
+ i. Audio common
+ trak = 8
+ tkhd = 92
+ mdia = 8
+ mdhd = 32
+ hdlr = 45
+ minf = 8
+ smhd = 16
+ dinf = 36 (8, dref : 16, url : 12)
+ stbl = 8
+ ---------------
+ total : 253
+
+ stts = 16
+ stsz = 20
+ stco = 16
+ ------------
+ total : 52
+
+ ii. Variation in file format
+ - MP4
+ udta = 61
+ - 3GP
+ udta = 8
+
+ iii. Variation in codec
+ - Common
+ stts = 16 + (8*stts_count)
+ stsc = 28
+ stsz = 20 + (4*frame)
+ stco = 16 + (4*frame)
+
+ - AAC
+ stsd = 94 (16, mp4a : 78(36 ,esds : 42))
+
+ - AMR
+ stsd = 69 (16, samr : 53(36, damr : 17))
+*/
+
+/* trailer entry size */
+#define ENTRY_SIZE_VIDEO_STTS 8
+#define ENTRY_SIZE_VIDEO_STSS 4
+#define ENTRY_SIZE_VIDEO_STSZ 4
+#define ENTRY_SIZE_VIDEO_STCO 4
+#define ENTRY_SIZE_AUDIO_STTS 8
+#define ENTRY_SIZE_AUDIO_STSZ 4
+#define ENTRY_SIZE_AUDIO_STCO 4
+
+#define ENTRY_SIZE_VIDEO_MPEG4_STSD 137
+#define ENTRY_SIZE_VIDEO_H263P_STSD 102
+#define ENTRY_SIZE_AUDIO_AAC_STSD 94
+#define ENTRY_SIZE_AUDIO_AMR_STSD 69
+
+#define ENTRY_SIZE_STSC 28
+#define ENTRY_SIZE_VIDEO_ST 68 /*atom size (stss + stts + stsc + stsz + stco ) * (size + atom + version + flags + sample count)+stsz(sample size) */
+#define ENTRY_SIZE_AUDIO_ST 52 /*atom size (stss + stsc + stsz + stco ) * (size + atom + version + flags + sample count)+stsz(sample size) */
+
+/* common */
+#define MUX_COMMON_SIZE_HEADER 124 /* free + moov + moov.mvhd*/
+
+#define MUX_COMMON_SIZE_VIDEO_HEADER 257
+#define MUX_COMMON_SIZE_AUDIO_HEADER 253
+
+#define MUX_COMMON_SIZE_MP4_FTYP 32
+#define MUX_COMMON_SIZE_3GP_FTYP 28
+
+#define MUX_COMMON_SIZE_MP4_UDTA 61
+#define MUX_COMMON_SIZE_3GP_UDTA 8
+
+static void
+gst_qt_mux_update_expected_trailer_size (GstQTMux *qtmux, GstQTMuxPad *pad)
+{
+ guint nb_video_frames = 0;
+ guint nb_video_i_frames = 0;
+ guint nb_video_stts_entry = 0;
+ guint nb_audio_frames = 0;
+ guint nb_audio_stts_entry = 0;
+ gboolean video_stream = FALSE;
+ gboolean audio_stream = FALSE;
+ guint exp_size = 0;
+ GstQTMuxClass *qtmux_klass = NULL;
+
+ if (qtmux == NULL || pad == NULL) {
+ GST_ERROR_OBJECT (qtmux, "Invalid parameter");
+ return;
+ }
+
+ qtmux_klass = (GstQTMuxClass *)(G_OBJECT_GET_CLASS(qtmux));
+
+ if (!strncmp(GST_PAD_NAME(pad->collect.pad), "video", 5)) {
+ nb_video_frames += pad->trak->mdia.minf.stbl.stsz.table_size;
+ nb_video_i_frames += pad->trak->mdia.minf.stbl.stss.entries.len;
+ nb_video_stts_entry += pad->trak->mdia.minf.stbl.stts.entries.len;
+
+ video_stream = TRUE;
+ } else if (!strncmp(GST_PAD_NAME(pad->collect.pad), "audio", 5)) {
+ nb_audio_frames += pad->trak->mdia.minf.stbl.stsz.table_size;
+ nb_audio_stts_entry += pad->trak->mdia.minf.stbl.stts.entries.len;
+
+ audio_stream = TRUE;
+ }
+
+ /* free + moov + mvhd */
+ qtmux->expected_trailer_size = MUX_COMMON_SIZE_HEADER;
+
+ /* ftyp + udta * 3 (There is 3 udta fields and it's same size) */
+ switch (qtmux_klass->format) {
+ case GST_QT_MUX_FORMAT_MP4:
+ qtmux->expected_trailer_size += MUX_COMMON_SIZE_MP4_FTYP + MUX_COMMON_SIZE_MP4_UDTA * 3;
+ break;
+ case GST_QT_MUX_FORMAT_3GP:
+ qtmux->expected_trailer_size += MUX_COMMON_SIZE_3GP_FTYP + MUX_COMMON_SIZE_3GP_UDTA * 3;
+ break;
+ default:
+ break;
+ }
+
+ /* Calculate trailer size for video stream */
+ if (video_stream) {
+ switch (pad->fourcc) {
+ case FOURCC_h263:
+ case FOURCC_s263:
+ exp_size += MUX_COMMON_SIZE_VIDEO_HEADER + ENTRY_SIZE_VIDEO_H263P_STSD;
+ break;
+ case FOURCC_mp4v:
+ case FOURCC_MP4V:
+ case FOURCC_fmp4:
+ case FOURCC_FMP4:
+ case FOURCC_3gp4:
+ case FOURCC_3gp6:
+ case FOURCC_3gg6:
+ exp_size += MUX_COMMON_SIZE_VIDEO_HEADER + ENTRY_SIZE_VIDEO_MPEG4_STSD;
+ break;
+ default:
+ break;
+ }
+
+ /* frame related */
+ exp_size += ENTRY_SIZE_VIDEO_ST + (ENTRY_SIZE_VIDEO_STTS * nb_video_stts_entry) +
+ (ENTRY_SIZE_VIDEO_STSS * nb_video_i_frames) + (ENTRY_SIZE_STSC) +
+ ((ENTRY_SIZE_VIDEO_STSZ + ENTRY_SIZE_VIDEO_STCO) * nb_video_frames);
+
+ qtmux->video_expected_trailer_size = exp_size;
+ }
+
+ /* Calculate trailer size for audio stream */
+ if (audio_stream) {
+ exp_size += MUX_COMMON_SIZE_AUDIO_HEADER + ENTRY_SIZE_AUDIO_ST + (ENTRY_SIZE_AUDIO_STTS * nb_audio_stts_entry) +
+ (ENTRY_SIZE_STSC) + ((ENTRY_SIZE_AUDIO_STSZ + ENTRY_SIZE_AUDIO_STCO) * nb_audio_frames);
+
+ if (pad->fourcc == FOURCC_samr)
+ exp_size += ENTRY_SIZE_AUDIO_AMR_STSD;
+ else
+ exp_size += ENTRY_SIZE_AUDIO_AAC_STSD;
+
+ qtmux->audio_expected_trailer_size = exp_size;
+ }
+
+ qtmux->expected_trailer_size += qtmux->video_expected_trailer_size + qtmux->audio_expected_trailer_size;
+
+ /*
+ GST_INFO_OBJECT (qtmux, "pad type %s", GST_PAD_NAME(pad->collect.pad));
+ GST_INFO_OBJECT (qtmux, "VIDEO : stts-entry=[%d], i-frame=[%d], video-sample=[%d]", nb_video_stts_entry, nb_video_i_frames, nb_video_frames);
+ GST_INFO_OBJECT (qtmux, "AUDIO : stts-entry=[%d], audio-sample=[%d]", nb_audio_stts_entry, nb_audio_frames);
+ GST_INFO_OBJECT (qtmux, "expected trailer size %d", qtmux->expected_trailer_size);
+ */
+
+ return;
+}
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
+
static void
gst_qt_mux_base_init (gpointer g_class)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstAggregatorClass *gstagg_class = GST_AGGREGATOR_CLASS (klass);
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ GParamSpec *tspec = NULL;
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
GST_TYPE_QT_MUX_FRAGMENT_MODE, DEFAULT_FRAGMENT_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ tspec = g_param_spec_uint("expected-trailer-size", "Expected Trailer Size",
+ "Expected trailer size (bytes)",
+ 0, G_MAXUINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+ if (tspec)
+ g_object_class_install_property(gobject_class, PROP_EXPECTED_TRAILER_SIZE, tspec);
+ else
+ GST_ERROR("g_param_spec failed for \"expected-trailer-size\"");
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
+
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_qt_mux_release_pad);
if (alloc) {
qtmux->moov = atom_moov_new (qtmux->context);
+#ifndef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
/* ensure all is as nice and fresh as request_new_pad would provide it */
for (l = GST_ELEMENT_CAST (qtmux)->sinkpads; l; l = l->next) {
GstQTMuxPad *qtpad = (GstQTMuxPad *) l->data;
qtpad->trak = atom_trak_new (qtmux->context);
atom_moov_add_trak (qtmux->moov, qtpad->trak);
}
+#endif
}
GST_OBJECT_UNLOCK (qtmux);
qtmux->last_moov_update = GST_CLOCK_TIME_NONE;
qtmux->muxed_since_last_update = 0;
qtmux->reserved_duration_remaining = GST_CLOCK_TIME_NONE;
+
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ qtmux->expected_trailer_size = 0;
+ qtmux->video_expected_trailer_size = 0;
+ qtmux->audio_expected_trailer_size = 0;
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
}
static GstBuffer *
}
}
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ gst_qt_mux_update_expected_trailer_size(qtmux, pad);
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
+
exit:
return ret;
g_value_set_enum (value, mode);
break;
}
+#ifdef TIZEN_FEATURE_GST_MUX_ENHANCEMENT
+ case PROP_EXPECTED_TRAILER_SIZE:
+ g_value_set_uint(value, qtmux->expected_trailer_size);
+ break;
+#endif /* TIZEN_FEATURE_GST_MUX_ENHANCEMENT */
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
projects / platform / upstream / gstreamer.git / blobdiff