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x264enc: Print full option-string applied to x264_encoder in debug log

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x264 encoder transfers all options applied to the encoder
to the SEI payload when the headers(SPS, PPS) is requested.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3014>
This commit is contained in:
Yeongjin Jeong 2018-10-18 12:32:03 +09:00 committed by Tim-Philipp Müller
parent 8ebd854454
commit 46dbf194bd
1 changed files with 89 additions and 0 deletions
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89
subprojects/gst-plugins-ugly/ext/x264/gstx264enc.c
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@ -104,6 +104,7 @@
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideopool.h>
#include <gst/base/gstbytereader.h>
#include <string.h>
#include <stdlib.h>
@ -1924,6 +1925,72 @@ gst_x264_enc_close_encoder (GstX264Enc * encoder)
encoder->vtable = NULL;
}
#ifndef GST_DISABLE_GST_DEBUG
static void
gst_x264_enc_parse_sei_userdata_unregistered (GstX264Enc * encoder,
guint8 * sei, guint len, guint8 * uuid)
{
GstByteReader br;
guint32 payloadType;
guint32 payloadSize;
guint8 payload_type_byte, payload_size_byte, payload_uuid;
gint i = 0;
guint8 *sei_msg_payload;
guint remaining, payload_size;
gst_byte_reader_init (&br, sei, len);
payloadType = 0;
do {
if (!gst_byte_reader_get_uint8 (&br, &payload_type_byte)) {
goto failed;
}
payloadType += payload_type_byte;
} while (payload_type_byte == 0xff);
payloadSize = 0;
do {
if (!gst_byte_reader_get_uint8 (&br, &payload_size_byte)) {
goto failed;
}
payloadSize += payload_size_byte;
} while (payload_size_byte == 0xff);
remaining = gst_byte_reader_get_remaining (&br);
payload_size = payloadSize * 8 < remaining ? payloadSize * 8 : remaining;
/* SEI_USER_DATA_UNREGISTERED */
if (payloadType != 5) {
goto failed;
}
GST_INFO_OBJECT (encoder,
"SEI message received: payloadType = %u, payloadSize = %u bits",
payloadType, payload_size);
/* check uuid_iso_iec_11578 */
for (i = 0; i < 16; i++) {
if (!gst_byte_reader_get_uint8 (&br, &payload_uuid)) {
goto failed;
}
if (uuid[i] != payload_uuid)
goto failed;
}
payload_size -= 16;
sei_msg_payload = g_malloc (payload_size + 1);
memcpy (sei_msg_payload, sei + gst_byte_reader_get_pos (&br), payload_size);
sei_msg_payload[payload_size] = 0;
GST_INFO_OBJECT (encoder, "Using x264_encoder info: %s", sei_msg_payload);
g_free (sei_msg_payload);
return;
failed:
GST_WARNING_OBJECT (encoder, "error parsing \"sei_userdata_unregistered\"");
}
#endif /* GST_DISABLE_GST_DEBUG */
static gboolean
gst_x264_enc_set_profile_and_level (GstX264Enc * encoder, GstCaps * caps)
{
@ -1952,6 +2019,28 @@ gst_x264_enc_set_profile_and_level (GstX264Enc * encoder, GstCaps * caps)
sps = nal[i].p_payload + 4;
/* skip NAL unit type */
sps++;
} else if (nal[i].i_type == NAL_SEI) {
#ifndef GST_DISABLE_GST_DEBUG
guint8 *sei = NULL;
guint skip_bytes = 0;
/* x264 uses hardcoded value for the sei userdata uuid. */
guint8 x264_uuid[16] = {
0xdc, 0x45, 0xe9, 0xbd, 0xe6, 0xd9, 0x48, 0xb7,
0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef
};
if (encoder->current_byte_stream ==
GST_X264_ENC_STREAM_FORMAT_BYTE_STREAM) {
skip_bytes = nal[i].b_long_startcode ? 4 : 3;
} else {
skip_bytes = 4;
}
sei = nal[i].p_payload + skip_bytes;
/* skip NAL unit type */
sei++;
gst_x264_enc_parse_sei_userdata_unregistered (encoder, sei,
nal[i].i_payload - (skip_bytes + 1), x264_uuid);
#endif /* GST_DISABLE_GST_DEBUG */
}
}