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Diffstat (limited to 'gst/mpegtsmux/mpegtsmux.c')
-rw-r--r--gst/mpegtsmux/mpegtsmux.c122
1 files changed, 119 insertions, 3 deletions
diff --git a/gst/mpegtsmux/mpegtsmux.c b/gst/mpegtsmux/mpegtsmux.c
index 67c2b72bc..98e97c3cf 100644
--- a/gst/mpegtsmux/mpegtsmux.c
+++ b/gst/mpegtsmux/mpegtsmux.c
@@ -98,6 +98,9 @@
#include "mpegtsmux_aac.h"
#include "mpegtsmux_ttxt.h"
#include "mpegtsmux_opus.h"
+#include "mpegtsmux_jpeg2000.h"
+#include <gst/videoparsers/gstjpeg2000parse.h>
+#include <gst/video/video-color.h>
GST_DEBUG_CATEGORY (mpegtsmux_debug);
#define GST_CAT_DEFAULT mpegtsmux_debug
@@ -125,6 +128,7 @@ static GstStaticPadTemplate mpegtsmux_sink_factory =
"mpegversion = (int) { 1, 2, 4 }, "
"systemstream = (boolean) false; "
"video/x-dirac;"
+ "image/x-jpc;"
"video/x-h264,stream-format=(string)byte-stream,"
"alignment=(string){au, nal}; "
"video/x-h265,stream-format=(string)byte-stream,"
@@ -149,7 +153,8 @@ static GstStaticPadTemplate mpegtsmux_sink_factory =
"audio/x-opus, "
"channels = (int) [1, 8], "
"channel-mapping-family = (int) {0, 1};"
- "subpicture/x-dvb; application/x-teletext; meta/x-klv, parsed=true"));
+ "subpicture/x-dvb; application/x-teletext; meta/x-klv, parsed=true;"
+ "image/x-jpc, profile = (int)[0, 49151];"));
static GstStaticPadTemplate mpegtsmux_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
@@ -588,6 +593,11 @@ mpegtsmux_create_stream (MpegTsMux * mux, MpegTsPadData * ts_data)
const GValue *value = NULL;
GstBuffer *codec_data = NULL;
guint8 opus_channel_config_code = 0;
+ guint16 profile = 0;
+ guint8 main_level = 0;
+ guint32 max_rate = 0;
+ guint8 color_spec = 0;
+ j2k_private_data *private_data = NULL;
pad = ts_data->collect.pad;
caps = gst_pad_get_current_caps (pad);
@@ -739,6 +749,94 @@ mpegtsmux_create_stream (MpegTsMux * mux, MpegTsPadData * ts_data)
ts_data->prepare_func = mpegtsmux_prepare_opus;
} else if (strcmp (mt, "meta/x-klv") == 0) {
st = TSMUX_ST_PS_KLV;
+ } else if (strcmp (mt, "image/x-jpc") == 0) {
+ /*
+ * See this document for more details on standard:
+ *
+ * https://www.itu.int/rec/T-REC-H.222.0-201206-S/en
+ * Annex S describes J2K details
+ * Page 104 of this document describes J2k video descriptor
+ */
+
+ const GValue *vProfile = gst_structure_get_value (s, "profile");
+ const GValue *vMainlevel = gst_structure_get_value (s, "main-level");
+ const GValue *vFramerate = gst_structure_get_value (s, "framerate");
+ const GValue *vColorimetry = gst_structure_get_value (s, "colorimetry");
+ private_data = g_new0 (j2k_private_data, 1);
+ profile = g_value_get_uint (vProfile);
+ if (profile != GST_JPEG2000_PARSE_PROFILE_BC_SINGLE) {
+ /* for now, we will relax the condition that the profile must equal GST_JPEG2000_PARSE_PROFILE_BC_SINGLE */
+ /*GST_ERROR_OBJECT (pad, "Invalid JPEG 2000 profile %d", profile);
+ goto not_negotiated; */
+ }
+ /* for now, we will relax the condition that the main level must be present */
+ if (vMainlevel) {
+ main_level = g_value_get_uint (vMainlevel);
+ if (main_level > 11) {
+ GST_ERROR_OBJECT (pad, "Invalid main level %d", main_level);
+ goto not_negotiated;
+ }
+ if (main_level >= 6) {
+ max_rate = 2 ^ (main_level - 6) * 1600 * 1000000;
+ } else {
+ switch (main_level) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ max_rate = 200 * 1000000;
+ break;
+ case 4:
+ max_rate = 400 * 1000000;
+ break;
+ case 5:
+ max_rate = 800 * 1000000;
+ break;
+ default:
+ break;
+ }
+ }
+ } else {
+ /*GST_ERROR_OBJECT (pad, "Missing main level");
+ goto not_negotiated; */
+ }
+ /* We always mux video in J2K-over-MPEG-TS non-interlaced mode */
+ private_data->interlace = FALSE;
+ private_data->den = 0;
+ private_data->num = 0;
+ private_data->max_bitrate = max_rate;
+ private_data->color_spec = 1;
+ /* these two fields are not used, since we always mux as non-interlaced */
+ private_data->Fic = 1;
+ private_data->Fio = 0;
+
+ /* Get Framerate */
+ if (vFramerate != NULL) {
+ /* Data for ELSM header */
+ private_data->num = gst_value_get_fraction_numerator (vFramerate);
+ private_data->den = gst_value_get_fraction_denominator (vFramerate);
+ }
+ /* Get Colorimetry */
+ if (vColorimetry) {
+ const char *colorimetry = g_value_get_string (vColorimetry);
+ color_spec = GST_MPEGTS_JPEG2000_COLORSPEC_SRGB; /* RGB as default */
+ if (g_str_equal (colorimetry, GST_VIDEO_COLORIMETRY_BT601)) {
+ color_spec = GST_MPEGTS_JPEG2000_COLORSPEC_REC601;
+ } else {
+ if (g_str_equal (colorimetry, GST_VIDEO_COLORIMETRY_BT709)
+ || g_str_equal (colorimetry, GST_VIDEO_COLORIMETRY_SMPTE240M)) {
+ color_spec = GST_MPEGTS_JPEG2000_COLORSPEC_REC709;
+ }
+ }
+ private_data->color_spec = color_spec;
+ } else {
+ GST_ERROR_OBJECT (pad, "Colorimetry not present in caps");
+ goto not_negotiated;
+ }
+ st = TSMUX_ST_VIDEO_JP2K;
+ ts_data->prepare_func = mpegtsmux_prepare_jpeg2000;
+ ts_data->prepare_data = private_data;
+ ts_data->free_func = mpegtsmux_free_jpeg2000;
}
if (st != TSMUX_ST_RESERVED) {
@@ -749,10 +847,29 @@ mpegtsmux_create_stream (MpegTsMux * mux, MpegTsPadData * ts_data)
}
if (ts_data->stream != NULL) {
+ const char *interlace_mode = gst_structure_get_string (s, "interlace-mode");
gst_structure_get_int (s, "rate", &ts_data->stream->audio_sampling);
gst_structure_get_int (s, "channels", &ts_data->stream->audio_channels);
gst_structure_get_int (s, "bitrate", &ts_data->stream->audio_bitrate);
+ /* frame rate */
+ gst_structure_get_fraction (s, "framerate", &ts_data->stream->num,
+ &ts_data->stream->den);
+
+ /* Interlace mode */
+ ts_data->stream->interlace_mode = FALSE;
+ if (interlace_mode) {
+ ts_data->stream->interlace_mode =
+ g_str_equal (interlace_mode, "interleaved");
+ }
+ /* Width and Height */
+ gst_structure_get_int (s, "width", &ts_data->stream->horizontal_size);
+ gst_structure_get_int (s, "height", &ts_data->stream->vertical_size);
+
+ ts_data->stream->color_spec = color_spec;
+ ts_data->stream->max_bitrate = max_rate;
+ ts_data->stream->profile_and_level = profile | main_level;
+
ts_data->stream->opus_channel_config_code = opus_channel_config_code;
tsmux_stream_set_buffer_release_func (ts_data->stream, release_buffer_cb);
@@ -784,13 +901,12 @@ mpegtsmux_create_stream (MpegTsMux * mux, MpegTsPadData * ts_data)
}
GST_OBJECT_UNLOCK (mux);
#endif
-
gst_caps_unref (caps);
return ret;
-
/* ERRORS */
not_negotiated:
{
+ g_free (private_data);
GST_DEBUG_OBJECT (pad, "Sink pad caps were not set before pushing");
if (caps)
gst_caps_unref (caps);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 22:32:10 +0000