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rtph265depay: add support for hvc1 as output format

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This commit is contained in:
Tim-Philipp Müller 2017-08-29 17:05:51 +01:00
parent b84201bf81
commit 46861027b9
1 changed files with 27 additions and 30 deletions
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57
gst/rtp/gstrtph265depay.c
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@ -46,11 +46,10 @@ static GstStaticPadTemplate gst_rtp_h265_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
/* FIXME - hvc1 and hev1 formats are not supported yet */
/*"video/x-h265, "
"stream-format = (string) hvc1, alignment = (string) au; "
"video/x-h265, "
GST_STATIC_CAPS
("video/x-h265, stream-format=(string)hvc1, alignment=(string)au; "
/* FIXME: hev1 format is not supported yet */
/* "video/x-h265, "
"stream-format = (string) hev1, alignment = (string) au; " */
"video/x-h265, "
"stream-format = (string) byte-stream, alignment = (string) { nal, au }")
@ -274,6 +273,8 @@ parse_sps (GstMapInfo * map, guint32 * sps_id)
GstBitReader br = GST_BIT_READER_INIT (map->data + 15,
map->size - 15);
GST_MEMDUMP ("SPS", map->data, map->size);
if (map->size < 16)
return FALSE;
@ -289,6 +290,8 @@ parse_pps (GstMapInfo * map, guint32 * sps_id, guint32 * pps_id)
GstBitReader br = GST_BIT_READER_INIT (map->data + 2,
map->size - 2);
GST_MEMDUMP ("PPS", map->data, map->size);
if (map->size < 3)
return FALSE;
@ -366,7 +369,6 @@ gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
guint num_pps = rtph265depay->pps->len;
GstMapInfo map, nalmap;
guint8 *data;
gint nl;
guint8 num_arrays = 0;
guint new_size;
GstBitReader br;
@ -385,7 +387,7 @@ gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
len = 23;
num_arrays = (num_vps > 0) + (num_sps > 0) + (num_pps > 0);
len += num_arrays;
len += 3 * num_arrays;
/* add size of vps, sps & pps */
for (i = 0; i < num_vps; i++)
@ -441,8 +443,6 @@ gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
min_spatial_segmentation_idc = 0; /* NOTE - we ignore this for now, but in a perfect world, we should continue parsing to obtain the real value */
nl = nalmap.size;
gst_buffer_unmap (g_ptr_array_index (rtph265depay->sps, 0), &nalmap);
/* HEVCDecoderConfigurationVersion = 1 */
@ -474,9 +474,10 @@ gst_rtp_h265_set_src_caps (GstRtpH265Depay * rtph265depay)
* numTemporalLayers (3 bits): number of temporal layers, value from SPS
* TemporalIdNested (1 bit): sps_temporal_id_nesting_flag from SPS
* lengthSizeMinusOne (2 bits): plus 1 indicates the length of the NALUnitLength */
data[21] =
0x00 | ((max_sub_layers_minus1 +
1) << 3) | (temporal_id_nesting_flag << 2) | (nl - 1);
/* we always output NALs with 4-byte nal unit length markers (or sync code) */
data[21] = rtph265depay->byte_stream ? 0x00 : 0x03;
data[21] |= ((max_sub_layers_minus1 + 1) << 3);
data[21] |= (temporal_id_nesting_flag << 2);
GST_WRITE_UINT8 (data + 22, num_arrays); /* numOfArrays */
data += 23;
@ -1173,6 +1174,8 @@ gst_rtp_h265_finish_fragmentation_unit (GstRtpH265Depay * rtph265depay)
GstBuffer *outbuf;
outsize = gst_adapter_available (rtph265depay->adapter);
g_assert (outsize >= 4);
outbuf = gst_adapter_take_buffer (rtph265depay->adapter, outsize);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
@ -1181,7 +1184,7 @@ gst_rtp_h265_finish_fragmentation_unit (GstRtpH265Depay * rtph265depay)
if (rtph265depay->byte_stream) {
memcpy (map.data, sync_bytes, sizeof (sync_bytes));
} else {
goto not_implemented;
GST_WRITE_UINT32_BE (map.data, outsize - 4);
}
gst_buffer_unmap (outbuf, &map);
@ -1189,16 +1192,6 @@ gst_rtp_h265_finish_fragmentation_unit (GstRtpH265Depay * rtph265depay)
gst_rtp_h265_depay_handle_nal (rtph265depay, outbuf,
rtph265depay->fu_timestamp, rtph265depay->fu_marker);
return;
not_implemented:
{
GST_ERROR_OBJECT (rtph265depay,
("Only bytestream format is currently supported."));
gst_buffer_unmap (outbuf, &map);
return;
}
}
static GstBuffer *
@ -1333,8 +1326,7 @@ gst_rtp_h265_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
if (rtph265depay->byte_stream) {
memcpy (map.data, sync_bytes, sizeof (sync_bytes));
} else {
gst_buffer_unmap (outbuf, &map);
goto not_implemented;
GST_WRITE_UINT32_BE (map.data, nalu_size);
}
/* strip NALU size */
@ -1428,9 +1420,15 @@ gst_rtp_h265_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
outbuf = gst_buffer_new_and_alloc (outsize);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
if (rtph265depay->byte_stream) {
GST_WRITE_UINT32_BE (map.data, 0x00000001);
} else {
/* will be fixed up in finish_fragmentation_unit() */
GST_WRITE_UINT32_BE (map.data, 0xffffffff);
}
memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
map.data[sizeof (sync_bytes)] = nal_header >> 8;
map.data[sizeof (sync_bytes) + 1] = nal_header & 0xff;
map.data[4] = nal_header >> 8;
map.data[5] = nal_header & 0xff;
gst_buffer_unmap (outbuf, &map);
gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);
@ -1492,10 +1490,9 @@ gst_rtp_h265_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
if (rtph265depay->byte_stream) {
memcpy (map.data, sync_bytes, sizeof (sync_bytes));
} else {
gst_buffer_unmap (outbuf, &map);
goto not_implemented;
GST_WRITE_UINT32_BE (map.data, nalu_size);
}
memcpy (map.data + sizeof (sync_bytes), payload, nalu_size);
memcpy (map.data + 4, payload, nalu_size);
gst_buffer_unmap (outbuf, &map);
gst_rtp_copy_video_meta (rtph265depay, outbuf, rtp->buffer);