static void
lose_and_recover_test (GstHarness * h, guint16 lost_seq,
gconstpointer recbuf, gsize recbuf_size)
{
guint64 duration = 222222;
guint64 timestamp = 111111;
GstBuffer *bufout;
push_lost_event (h, lost_seq, timestamp, duration, FALSE);
bufout = gst_harness_pull (h);
fail_unless_equals_int (gst_buffer_get_size (bufout), recbuf_size);
fail_unless_equals_int (GST_BUFFER_PTS (bufout), timestamp);
fail_unless (gst_buffer_memcmp (bufout, 0, recbuf, recbuf_size) == 0);
fail_unless (!GST_BUFFER_FLAG_IS_SET (bufout, GST_RTP_BUFFER_FLAG_REDUNDANT));
gst_buffer_unref (bufout);
/* Pushing the next buffer with discont flag set */
bufout = gst_buffer_new ();
GST_BUFFER_FLAG_SET (bufout, GST_BUFFER_FLAG_DISCONT);
bufout = gst_harness_push_and_pull (h, bufout);
/* Checking the flag was unset */
fail_unless (!GST_BUFFER_IS_DISCONT (bufout));
gst_buffer_unref (bufout);
}
static const GstCencKeyPair*
gst_cenc_decrypt_lookup_key (GstCencDecrypt * self, GstBuffer * kid)
{
GstMapInfo info;
const GstCencKeyPair *kp=NULL;
int i;
gsize sz;
/*
GstMapInfo info;
gchar *id_string;
gst_buffer_map (kid, &info, GST_MAP_READ);
id_string = gst_cenc_create_uuid_string (info.data);
GST_DEBUG_OBJECT (self, "Looking up key ID: %s", id_string);
g_free (id_string);
gst_buffer_unmap (kid, &info);
*/
for (i = 0; kp==NULL && i < self->keys->len; ++i) {
const GstCencKeyPair *k;
k = g_ptr_array_index (self->keys, i);
if(gst_buffer_memcmp (kid, 0, g_bytes_get_data (k->key_id, NULL), KEY_LENGTH)==0){
kp=k;
}
}
if (!kp) {
kp = gst_cenc_decrypt_get_key (self, kid);
}
return kp;
}
/* Create new stream from params in caps
*/
static GstSrtpDecSsrcStream *
update_session_stream_from_caps (GstSrtpDec * filter, guint32 ssrc,
GstCaps * caps)
{
GstSrtpDecSsrcStream *stream = NULL;
GstSrtpDecSsrcStream *old_stream = NULL;
err_status_t err;
g_return_val_if_fail (GST_IS_SRTP_DEC (filter), NULL);
g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
stream = get_stream_from_caps (filter, caps, ssrc);
old_stream = find_stream_by_ssrc (filter, ssrc);
if (stream && old_stream &&
stream->rtp_cipher == old_stream->rtp_cipher &&
stream->rtcp_cipher == old_stream->rtcp_cipher &&
stream->rtp_auth == old_stream->rtp_auth &&
stream->rtcp_auth == old_stream->rtcp_auth &&
stream->key && old_stream->key &&
gst_buffer_get_size (stream->key) ==
gst_buffer_get_size (old_stream->key)) {
GstMapInfo info;
if (gst_buffer_map (old_stream->key, &info, GST_MAP_READ)) {
gboolean equal;
equal = (gst_buffer_memcmp (stream->key, 0, info.data, info.size) == 0);
gst_buffer_unmap (old_stream->key, &info);
if (equal) {
free_stream (stream);
return old_stream;
}
}
}
/* Remove existing stream, if any */
gst_srtp_dec_remove_stream (filter, ssrc);
if (stream) {
/* Create new session stream */
err = init_session_stream (filter, ssrc, stream);
if (err != err_status_ok) {
if (stream->key)
gst_buffer_unref (stream->key);
g_slice_free (GstSrtpDecSsrcStream, stream);
stream = NULL;
}
}
return stream;
}
static GstFlowReturn
_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
fail_unless_equals_int (gst_buffer_get_size (buffer), sizeof (mxf_essence));
fail_unless (gst_buffer_memcmp (buffer, 0, mxf_essence,
sizeof (mxf_essence)) == 0);
fail_unless (GST_BUFFER_TIMESTAMP (buffer) == 0);
fail_unless (GST_BUFFER_DURATION (buffer) == 200 * GST_MSECOND);
gst_buffer_unref (buffer);
have_data = TRUE;
return GST_FLOW_OK;
}
static void
check_correct_buffer (guint8 * src_data, guint src_size, guint8 * dst_data,
guint dst_size)
{
GstBuffer *buffer = gst_buffer_new_allocate (NULL, src_size, 0);
GstBuffer *newBuffer;
GstElement *avisubtitle = setup_avisubtitle ();
GstEvent *event;
fail_unless (g_list_length (buffers) == 0, "Buffers list needs to be empty");
gst_buffer_fill (buffer, 0, src_data, src_size);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
ASSERT_BUFFER_REFCOUNT (buffer, "inbuffer", 1);
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == FALSE,
"Seeking is not possible when there is no buffer yet");
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK,
"not accepted a correct buffer");
/* we gave away our reference to the buffer, don't assume anything */
buffer = NULL;
/* a new buffer is created in the list */
fail_unless (g_list_length (buffers) == 1,
"No new buffer in the buffers list");
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == TRUE,
"seeking should be working now");
fail_unless (g_list_length (buffers) == 2,
"After seeking we need another buffer in the buffers");
newBuffer = GST_BUFFER (buffers->data);
buffers = g_list_remove (buffers, newBuffer);
fail_unless (g_list_length (buffers) == 1, "Buffers list needs to be empty");
fail_unless (gst_buffer_get_size (newBuffer) == dst_size,
"size of the new buffer is wrong ( %d != %d)",
gst_buffer_get_size (newBuffer), dst_size);
fail_unless (gst_buffer_memcmp (newBuffer, 0, dst_data, dst_size) == 0,
"data of the buffer is not correct");
gst_buffer_unref (newBuffer);
/* free the buffer from seeking */
gst_buffer_unref (GST_BUFFER (buffers->data));
buffers = g_list_remove (buffers, buffers->data);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
cleanup_avisubtitle (avisubtitle);
}
/*
* Verify that given buffer contains predefined ADTS frame.
*/
static void
buffer_verify_data (void *buffer, void *user_data)
{
buffer_verify_data_s *vdata;
if (!user_data) {
return;
}
vdata = (buffer_verify_data_s *) user_data;
GST_DEBUG ("discard: %d", vdata->discard);
if (vdata->discard) {
if (ctx_verify_buffer)
ctx_verify_buffer (vdata, buffer);
vdata->buffer_counter++;
vdata->offset_counter += gst_buffer_get_size (buffer);
if (vdata->buffer_counter == vdata->discard) {
vdata->buffer_counter = 0;
vdata->discard = 0;
}
return;
}
if (!ctx_verify_buffer || !ctx_verify_buffer (vdata, buffer)) {
fail_unless (gst_buffer_get_size (buffer) == vdata->data_to_verify_size);
fail_unless (gst_buffer_memcmp (buffer, 0, vdata->data_to_verify,
vdata->data_to_verify_size) == 0);
}
if (vdata->buffers_before_offset_skip) {
/* This is for skipping the garbage in some test cases */
if (vdata->buffer_counter == vdata->buffers_before_offset_skip) {
vdata->offset_counter += vdata->offset_skip_amount;
}
}
if (!vdata->no_metadata) {
fail_unless (GST_BUFFER_DTS (buffer) == vdata->ts_counter);
fail_unless (GST_BUFFER_DURATION (buffer) != 0);
fail_unless (GST_BUFFER_OFFSET (buffer) == vdata->offset_counter);
}
vdata->ts_counter += GST_BUFFER_DURATION (buffer);
vdata->offset_counter += gst_buffer_get_size (buffer);
vdata->buffer_counter++;
}
static gboolean
verify_buffer (buffer_verify_data_s * vdata, GstBuffer * buffer)
{
guint offset = 0;
guint size = 0;
if (vdata->data_to_verify == pcap_frame_with_eth_padding) {
offset = pcap_frame_with_eth_padding_offset;
size = sizeof (pcap_frame_with_eth_padding) -
pcap_frame_with_eth_padding_offset - 2;
}
fail_unless_equals_int (gst_buffer_get_size (buffer), size);
fail_unless (gst_buffer_memcmp (buffer, 0, vdata->data_to_verify + offset,
size) == 0);
return TRUE;
}
static gboolean
memcmp_buffers (GstBuffer * buf1, GstBuffer * buf2)
{
gsize size1, size2;
gboolean res;
GstMapInfo map;
size1 = gst_buffer_get_size (buf1);
size2 = gst_buffer_get_size (buf2);
if (size1 != size2)
return FALSE;
gst_buffer_map (buf1, &map, GST_MAP_READ);
res = gst_buffer_memcmp (buf2, 0, map.data, map.size) == 0;
gst_buffer_unmap (buf1, &map);
return res;
}
static void
symmetry_test_assert_passthrough (SymmetryTest * st, GstBuffer * in)
{
gpointer copy;
gsize data_size;
GstSample *out;
gst_buffer_extract_dup (in, 0, -1, ©, &data_size);
fail_unless (gst_app_src_push_buffer (st->sink_src, in) == GST_FLOW_OK);
in = NULL;
out = gst_app_sink_pull_sample (st->src_sink);
fail_unless (out != NULL);
fail_unless (gst_buffer_get_size (gst_sample_get_buffer (out)) == data_size);
fail_unless (gst_buffer_memcmp (gst_sample_get_buffer (out), 0, copy,
data_size) == 0);
g_free (copy);
gst_sample_unref (out);
}
static gboolean
gst_mpegv_parse_process_config (GstMpegvParse * mpvparse, GstBuffer * buf,
guint size)
{
guint8 *data;
guint8 *data_with_prefix;
GstMapInfo map;
gint i, offset;
if (mpvparse->seq_offset < 4) {
/* This shouldn't happen, but just in case... */
GST_WARNING_OBJECT (mpvparse, "Sequence header start code missing.");
return FALSE;
}
gst_buffer_map (buf, &map, GST_MAP_READ);
data = map.data + mpvparse->seq_offset;
g_assert (size <= map.size);
/* pointer to sequence header data including the start code prefix -
used for codec private data */
data_with_prefix = data - 4;
/* only do stuff if something new; only compare first 11 bytes, changes in
quantiser matrix doesn't matter here. Also changing the matrices in
codec_data seems to cause problem with decoders */
if (mpvparse->config && size == gst_buffer_get_size (mpvparse->config) &&
gst_buffer_memcmp (mpvparse->config, 0, data_with_prefix, MIN (size,
11)) == 0) {
gst_buffer_unmap (buf, &map);
return TRUE;
}
if (!gst_mpeg_video_parse_sequence_header (&mpvparse->sequencehdr, data,
size - mpvparse->seq_offset, 0)) {
GST_DEBUG_OBJECT (mpvparse,
"failed to parse config data (size %d) at offset %d",
size, mpvparse->seq_offset);
gst_buffer_unmap (buf, &map);
return FALSE;
}
GST_LOG_OBJECT (mpvparse, "accepting parsed config size %d", size);
/* Set mpeg version, and parse sequence extension */
mpvparse->config_flags = FLAG_NONE;
for (i = 0; i < mpvparse->ext_count; ++i) {
offset = mpvparse->ext_offsets[i];
mpvparse->config_flags |= FLAG_MPEG2;
if (offset < size) {
if (gst_mpeg_video_parse_sequence_extension (&mpvparse->sequenceext,
map.data, size, offset)) {
GST_LOG_OBJECT (mpvparse, "Read Sequence Extension");
mpvparse->config_flags |= FLAG_SEQUENCE_EXT;
} else
if (gst_mpeg_video_parse_sequence_display_extension
(&mpvparse->sequencedispext, map.data, size, offset)) {
GST_LOG_OBJECT (mpvparse, "Read Sequence Display Extension");
mpvparse->config_flags |= FLAG_SEQUENCE_DISPLAY_EXT;
}
}
}
if (mpvparse->config_flags & FLAG_MPEG2) {
/* Update the sequence header based on extensions */
GstMpegVideoSequenceExt *seqext = NULL;
GstMpegVideoSequenceDisplayExt *seqdispext = NULL;
if (mpvparse->config_flags & FLAG_SEQUENCE_EXT)
seqext = &mpvparse->sequenceext;
if (mpvparse->config_flags & FLAG_SEQUENCE_DISPLAY_EXT)
seqdispext = &mpvparse->sequencedispext;
gst_mpeg_video_finalise_mpeg2_sequence_header (&mpvparse->sequencehdr,
seqext, seqdispext);
}
if (mpvparse->fps_num == 0 || mpvparse->fps_den == 0) {
mpvparse->fps_num = mpvparse->sequencehdr.fps_n;
mpvparse->fps_den = mpvparse->sequencehdr.fps_d;
}
/* parsing ok, so accept it as new config */
if (mpvparse->config != NULL)
gst_buffer_unref (mpvparse->config);
mpvparse->config = gst_buffer_new_and_alloc (size);
gst_buffer_fill (mpvparse->config, 0, data_with_prefix, size);
/* trigger src caps update */
mpvparse->update_caps = TRUE;
gst_buffer_unmap (buf, &map);
return TRUE;
}
static GstFlowReturn
gst_flac_tag_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstFlacTag *tag;
GstFlowReturn ret;
GstMapInfo map;
gsize size;
ret = GST_FLOW_OK;
tag = GST_FLAC_TAG (parent);
gst_adapter_push (tag->adapter, buffer);
/* Initial state, we don't even know if we are dealing with a flac file */
if (tag->state == GST_FLAC_TAG_STATE_INIT) {
GstBuffer *id_buffer;
if (gst_adapter_available (tag->adapter) < sizeof (FLAC_MAGIC))
goto cleanup;
id_buffer = gst_adapter_take_buffer (tag->adapter, FLAC_MAGIC_SIZE);
GST_DEBUG_OBJECT (tag, "looking for " FLAC_MAGIC " identifier");
if (gst_buffer_memcmp (id_buffer, 0, FLAC_MAGIC, FLAC_MAGIC_SIZE) == 0) {
GST_DEBUG_OBJECT (tag, "pushing " FLAC_MAGIC " identifier buffer");
ret = gst_pad_push (tag->srcpad, id_buffer);
if (ret != GST_FLOW_OK)
goto cleanup;
tag->state = GST_FLAC_TAG_STATE_METADATA_BLOCKS;
} else {
/* FIXME: does that work well with FLAC files containing ID3v2 tags ? */
gst_buffer_unref (id_buffer);
GST_ELEMENT_ERROR (tag, STREAM, WRONG_TYPE, (NULL), (NULL));
ret = GST_FLOW_ERROR;
}
}
/* The fLaC magic string has been skipped, try to detect the beginning
* of a metadata block
*/
if (tag->state == GST_FLAC_TAG_STATE_METADATA_BLOCKS) {
guint type;
gboolean is_last;
const guint8 *block_header;
g_assert (tag->metadata_block_size == 0);
g_assert (tag->metadata_last_block == FALSE);
/* The header of a flac metadata block is 4 bytes long:
* 1st bit: indicates whether this is the last metadata info block
* 7 next bits: 4 if vorbis comment block
* 24 next bits: size of the metadata to follow (big endian)
*/
if (gst_adapter_available (tag->adapter) < 4)
goto cleanup;
block_header = gst_adapter_map (tag->adapter, 4);
is_last = ((block_header[0] & 0x80) == 0x80);
type = block_header[0] & 0x7F;
size = (block_header[1] << 16)
| (block_header[2] << 8)
| block_header[3];
gst_adapter_unmap (tag->adapter);
/* The 4 bytes long header isn't included in the metadata size */
tag->metadata_block_size = size + 4;
tag->metadata_last_block = is_last;
GST_DEBUG_OBJECT (tag,
"got metadata block: %" G_GSIZE_FORMAT " bytes, type %d, "
"is vorbiscomment: %d, is last: %d",
size, type, (type == 0x04), is_last);
/* Metadata blocks of type 4 are vorbis comment blocks */
if (type == 0x04) {
tag->state = GST_FLAC_TAG_STATE_VC_METADATA_BLOCK;
} else {
tag->state = GST_FLAC_TAG_STATE_WRITING_METADATA_BLOCK;
}
}
/* Reads a metadata block */
if ((tag->state == GST_FLAC_TAG_STATE_WRITING_METADATA_BLOCK) ||
(tag->state == GST_FLAC_TAG_STATE_VC_METADATA_BLOCK)) {
GstBuffer *metadata_buffer;
if (gst_adapter_available (tag->adapter) < tag->metadata_block_size)
goto cleanup;
metadata_buffer = gst_adapter_take_buffer (tag->adapter,
tag->metadata_block_size);
/* clear the is-last flag, as the last metadata block will
* be the vorbis comment block which we will build ourselves.
*/
gst_buffer_map (metadata_buffer, &map, GST_MAP_READWRITE);
map.data[0] &= (~0x80);
gst_buffer_unmap (metadata_buffer, &map);
if (tag->state == GST_FLAC_TAG_STATE_WRITING_METADATA_BLOCK) {
GST_DEBUG_OBJECT (tag, "pushing metadata block buffer");
ret = gst_pad_push (tag->srcpad, metadata_buffer);
if (ret != GST_FLOW_OK)
goto cleanup;
} else {
tag->vorbiscomment = metadata_buffer;
}
tag->metadata_block_size = 0;
tag->state = GST_FLAC_TAG_STATE_METADATA_NEXT_BLOCK;
}
/* This state is mainly used to be able to stop as soon as we read
* a vorbiscomment block from the flac file if we are in an only output
* tags mode
*/
if (tag->state == GST_FLAC_TAG_STATE_METADATA_NEXT_BLOCK) {
/* Check if in the previous iteration we read a vorbis comment metadata
* block, and stop now if the user only wants to read tags
*/
if (tag->vorbiscomment != NULL) {
guint8 id_data[4];
/* We found some tags, try to parse them and notify the other elements
* that we encountered some tags
*/
GST_DEBUG_OBJECT (tag, "emitting vorbiscomment tags");
gst_buffer_extract (tag->vorbiscomment, 0, id_data, 4);
tag->tags = gst_tag_list_from_vorbiscomment_buffer (tag->vorbiscomment,
id_data, 4, NULL);
if (tag->tags != NULL) {
gst_pad_push_event (tag->srcpad,
gst_event_new_tag (gst_tag_list_copy (tag->tags)));
}
gst_buffer_unref (tag->vorbiscomment);
tag->vorbiscomment = NULL;
}
/* Skip to next state */
if (tag->metadata_last_block == FALSE) {
tag->state = GST_FLAC_TAG_STATE_METADATA_BLOCKS;
} else {
tag->state = GST_FLAC_TAG_STATE_ADD_VORBIS_COMMENT;
}
}
/* Creates a vorbis comment block from the metadata which was set
* on the gstreamer element, and add it to the flac stream
*/
if (tag->state == GST_FLAC_TAG_STATE_ADD_VORBIS_COMMENT) {
GstBuffer *buffer;
const GstTagList *user_tags;
GstTagList *merged_tags;
/* merge the tag lists */
user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (tag));
if (user_tags != NULL) {
merged_tags = gst_tag_list_merge (user_tags, tag->tags,
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (tag)));
} else {
merged_tags = gst_tag_list_copy (tag->tags);
}
if (merged_tags == NULL) {
/* If we get a NULL list of tags, we must generate a padding block
* which is marked as the last metadata block, otherwise we'll
* end up with a corrupted flac file.
*/
GST_WARNING_OBJECT (tag, "No tags found");
buffer = gst_buffer_new_and_alloc (12);
if (buffer == NULL)
goto no_buffer;
gst_buffer_map (buffer, &map, GST_MAP_WRITE);
memset (map.data, 0, map.size);
map.data[0] = 0x81; /* 0x80 = Last metadata block,
* 0x01 = padding block */
gst_buffer_unmap (buffer, &map);
} else {
guchar header[4];
guint8 fbit[1];
memset (header, 0, sizeof (header));
header[0] = 0x84; /* 0x80 = Last metadata block,
* 0x04 = vorbiscomment block */
buffer = gst_tag_list_to_vorbiscomment_buffer (merged_tags, header,
sizeof (header), NULL);
GST_DEBUG_OBJECT (tag, "Writing tags %" GST_PTR_FORMAT, merged_tags);
gst_tag_list_free (merged_tags);
if (buffer == NULL)
goto no_comment;
size = gst_buffer_get_size (buffer);
if ((size < 4) || ((size - 4) > 0xFFFFFF))
goto comment_too_long;
fbit[0] = 1;
/* Get rid of the framing bit at the end of the vorbiscomment buffer
* if it exists since libFLAC seems to lose sync because of this
* bit in gstflacdec
*/
if (gst_buffer_memcmp (buffer, size - 1, fbit, 1) == 0) {
buffer = gst_buffer_make_writable (buffer);
gst_buffer_resize (buffer, 0, size - 1);
}
}
/* The 4 byte metadata block header isn't accounted for in the total
* size of the metadata block
*/
gst_buffer_map (buffer, &map, GST_MAP_WRITE);
map.data[1] = (((map.size - 4) & 0xFF0000) >> 16);
map.data[2] = (((map.size - 4) & 0x00FF00) >> 8);
map.data[3] = ((map.size - 4) & 0x0000FF);
gst_buffer_unmap (buffer, &map);
GST_DEBUG_OBJECT (tag, "pushing %" G_GSIZE_FORMAT " byte vorbiscomment "
"buffer", map.size);
ret = gst_pad_push (tag->srcpad, buffer);
if (ret != GST_FLOW_OK) {
goto cleanup;
}
tag->state = GST_FLAC_TAG_STATE_AUDIO_DATA;
}
gboolean
gst_opus_header_is_header (GstBuffer * buf, const char *magic, guint magic_size)
{
return (gst_buffer_get_size (buf) >= magic_size
&& !gst_buffer_memcmp (buf, 0, magic, magic_size));
}
static gboolean
verify_buffer (buffer_verify_data_s * vdata, GstBuffer * buffer)
{
if (vdata->discard) {
/* check separate header NALs */
gint i = vdata->buffer_counter;
guint ofs;
/* SEI with start code prefix with 2 0-bytes */
ofs = i == 1;
fail_unless (i <= 2);
fail_unless (gst_buffer_get_size (buffer) == ctx_headers[i].size - ofs);
fail_unless (gst_buffer_memcmp (buffer, 0, ctx_headers[i].data + ofs,
gst_buffer_get_size (buffer)) == 0);
} else {
GstMapInfo map;
gst_buffer_map (buffer, &map, GST_MAP_READ);
fail_unless (map.size > 4);
/* only need to check avc and bs-to-nal output case */
if (GST_READ_UINT24_BE (map.data) == 0x01) {
/* in bs-to-nal, a leading 0x00 is stripped from output */
fail_unless (gst_buffer_get_size (buffer) ==
vdata->data_to_verify_size - 1);
fail_unless (gst_buffer_memcmp (buffer, 0, vdata->data_to_verify + 1,
vdata->data_to_verify_size - 1) == 0);
gst_buffer_unmap (buffer, &map);
return TRUE;
} else if (GST_READ_UINT32_BE (map.data) == 0x01) {
/* this is not avc, use default tests from parser.c */
gst_buffer_unmap (buffer, &map);
return FALSE;
}
/* header is merged in initial frame */
if (vdata->buffer_counter == 0) {
guint8 *data = map.data;
fail_unless (map.size == vdata->data_to_verify_size +
ctx_headers[0].size + ctx_headers[1].size + ctx_headers[2].size);
fail_unless (GST_READ_UINT32_BE (data) == ctx_headers[0].size - 4);
fail_unless (memcmp (data + 4, ctx_headers[0].data + 4,
ctx_headers[0].size - 4) == 0);
data += ctx_headers[0].size;
fail_unless (GST_READ_UINT32_BE (data) == ctx_headers[1].size - 4);
fail_unless (memcmp (data + 4, ctx_headers[1].data + 4,
ctx_headers[1].size - 4) == 0);
data += ctx_headers[1].size;
fail_unless (GST_READ_UINT32_BE (data) == ctx_headers[2].size - 4);
fail_unless (memcmp (data + 4, ctx_headers[2].data + 4,
ctx_headers[2].size - 4) == 0);
data += ctx_headers[2].size;
fail_unless (GST_READ_UINT32_BE (data) == vdata->data_to_verify_size - 4);
fail_unless (memcmp (data + 4, vdata->data_to_verify + 4,
vdata->data_to_verify_size - 4) == 0);
} else {
fail_unless (GST_READ_UINT32_BE (map.data) == map.size - 4);
fail_unless (map.size == vdata->data_to_verify_size);
fail_unless (memcmp (map.data + 4, vdata->data_to_verify + 4,
map.size - 4) == 0);
}
gst_buffer_unmap (buffer, &map);
return TRUE;
}
return FALSE;
}
static gboolean
gst_mpegv_parse_process_config (GstMpegvParse * mpvparse, GstMapInfo * info,
guint size)
{
GstMpegVideoPacket packet;
guint8 *data_with_prefix;
gint i;
if (mpvparse->seq_offset < 4) {
/* This shouldn't happen, but just in case... */
GST_WARNING_OBJECT (mpvparse, "Sequence header start code missing.");
return FALSE;
}
packet.data = info->data;
packet.type = GST_MPEG_VIDEO_PACKET_SEQUENCE;
packet.offset = mpvparse->seq_offset;
packet.size = size - mpvparse->seq_offset;
/* pointer to sequence header data including the start code prefix -
used for codec private data */
data_with_prefix = (guint8 *) packet.data + packet.offset - 4;
/* only do stuff if something new; only compare first 8 bytes, changes in
quantiser matrix or bitrate don't matter here. Also changing the
matrices in codec_data seems to cause problem with decoders */
if (mpvparse->config &&
gst_buffer_memcmp (mpvparse->config, 0, data_with_prefix, MIN (size,
8)) == 0) {
return TRUE;
}
if (!gst_mpeg_video_packet_parse_sequence_header (&packet,
&mpvparse->sequencehdr)) {
GST_DEBUG_OBJECT (mpvparse,
"failed to parse config data (size %d) at offset %d",
size, mpvparse->seq_offset);
return FALSE;
}
mpvparse->seqhdr_updated = TRUE;
GST_LOG_OBJECT (mpvparse, "accepting parsed config size %d", size);
/* Set mpeg version, and parse sequence extension */
mpvparse->config_flags = FLAG_NONE;
for (i = 0; i < mpvparse->ext_count; ++i) {
packet.type = GST_MPEG_VIDEO_PACKET_EXTENSION;
packet.offset = mpvparse->ext_offsets[i];
packet.size = (gint) size - mpvparse->ext_offsets[i];
mpvparse->config_flags |= FLAG_MPEG2;
if (packet.size > 1) {
switch (packet.data[packet.offset] >> 4) {
case GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE:
if (gst_mpeg_video_packet_parse_sequence_extension (&packet,
&mpvparse->sequenceext)) {
GST_LOG_OBJECT (mpvparse, "Read Sequence Extension");
mpvparse->config_flags |= FLAG_SEQUENCE_EXT;
mpvparse->seqext_updated = TRUE;
}
break;
case GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY:
if (gst_mpeg_video_packet_parse_sequence_display_extension (&packet,
&mpvparse->sequencedispext)) {
GST_LOG_OBJECT (mpvparse, "Read Sequence Display Extension");
mpvparse->config_flags |= FLAG_SEQUENCE_DISPLAY_EXT;
mpvparse->seqdispext_updated = TRUE;
}
break;
case GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX:
if (gst_mpeg_video_packet_parse_quant_matrix_extension (&packet,
&mpvparse->quantmatrext)) {
GST_LOG_OBJECT (mpvparse, "Read Quantization Matrix Extension");
mpvparse->quantmatrext_updated = TRUE;
}
break;
}
}
}
if (mpvparse->config_flags & FLAG_MPEG2) {
/* Update the sequence header based on extensions */
GstMpegVideoSequenceExt *seqext = NULL;
GstMpegVideoSequenceDisplayExt *seqdispext = NULL;
if (mpvparse->config_flags & FLAG_SEQUENCE_EXT)
seqext = &mpvparse->sequenceext;
if (mpvparse->config_flags & FLAG_SEQUENCE_DISPLAY_EXT)
seqdispext = &mpvparse->sequencedispext;
gst_mpeg_video_finalise_mpeg2_sequence_header (&mpvparse->sequencehdr,
seqext, seqdispext);
}
if (mpvparse->fps_num == 0 || mpvparse->fps_den == 0) {
mpvparse->fps_num = mpvparse->sequencehdr.fps_n;
mpvparse->fps_den = mpvparse->sequencehdr.fps_d;
}
/* parsing ok, so accept it as new config */
if (mpvparse->config != NULL)
gst_buffer_unref (mpvparse->config);
mpvparse->config = gst_buffer_new_and_alloc (size);
gst_buffer_fill (mpvparse->config, 0, data_with_prefix, size);
/* trigger src caps update */
mpvparse->update_caps = TRUE;
return TRUE;
}
