static int asf_write_trailer(AVFormatContext *s)
{
ASFContext *asf = s->priv_data;
int64_t file_size, data_size;
int ret;
/* flush the current packet */
if (asf->pb.buf_ptr > asf->pb.buffer)
flush_packet(s);
/* write index */
data_size = avio_tell(s->pb);
if (!asf->is_streamed && asf->next_start_sec) {
if ((ret = update_index(s, asf->end_sec + 1, 0, 0, 0)) < 0)
return ret;
asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->next_start_sec);
}
avio_flush(s->pb);
if (asf->is_streamed || !s->pb->seekable) {
put_chunk(s, 0x4524, 0, 0); /* end of stream */
} else {
/* rewrite an updated header */
file_size = avio_tell(s->pb);
avio_seek(s->pb, 0, SEEK_SET);
asf_write_header1(s, file_size, data_size - asf->data_offset);
}
av_freep(&asf->index_ptr);
return 0;
}
/* 'first' is true if first data of a frame */
static void ffm_write_data(AVFormatContext *s,
const uint8_t *buf, int size,
int64_t dts, int header)
{
FFMContext *ffm = s->priv_data;
int len;
if (header && ffm->frame_offset == 0) {
ffm->frame_offset = ffm->packet_ptr - ffm->packet + FFM_HEADER_SIZE;
ffm->dts = dts;
}
/* write as many packets as needed */
while (size > 0) {
len = ffm->packet_end - ffm->packet_ptr;
if (len > size)
len = size;
memcpy(ffm->packet_ptr, buf, len);
ffm->packet_ptr += len;
buf += len;
size -= len;
if (ffm->packet_ptr >= ffm->packet_end)
flush_packet(s);
}
}
static int asf_write_trailer(AVFormatContext *s)
{
ASFContext *asf = s->priv_data;
int64_t file_size,data_size;
/* flush the current packet */
if (asf->pb.buf_ptr > asf->pb.buffer)
flush_packet(s);
/* write index */
data_size = url_ftell(s->pb);
if ((!asf->is_streamed) && (asf->nb_index_count != 0)) {
asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->nb_index_count);
}
put_flush_packet(s->pb);
if (asf->is_streamed || url_is_streamed(s->pb)) {
put_chunk(s, 0x4524, 0, 0); /* end of stream */
} else {
/* rewrite an updated header */
file_size = url_ftell(s->pb);
url_fseek(s->pb, 0, SEEK_SET);
asf_write_header1(s, file_size, data_size - asf->data_offset);
}
put_flush_packet(s->pb);
av_free(asf->index_ptr);
return 0;
}
/* 'first' is true if first data of a frame */
static void ffm_write_data(AVFormatContext *s,
const uint8_t *buf, int size,
int64_t pts, int header)
{
FFMContext *ffm = s->priv_data;
int len;
if (header && ffm->frame_offset == 0)
ffm->frame_offset = ffm->packet_ptr - ffm->packet + FFM_HEADER_SIZE;
if (header && ffm->pts == 0)
ffm->pts = pts;
/* write as many packets as needed */
while (size > 0) {
len = ffm->packet_end - ffm->packet_ptr;
if (len > size)
len = size;
memcpy(ffm->packet_ptr, buf, len);
ffm->packet_ptr += len;
buf += len;
size -= len;
if (ffm->packet_ptr >= ffm->packet_end) {
/* special case : no pts in packet : we leave the current one */
if (ffm->pts == 0)
ffm->pts = pts;
flush_packet(s);
}
}
}
AdpErrs DevSW_Write(const DeviceDescr *device, Packet *packet, DevChanID type)
{
struct DriverCall *dc;
struct data_packet *dp;
dc = &((DevSWState *)(device->SwitcherState))->ds_activewrite;
dp = &dc->dc_packet;
if (illegalDevChanID(type))
return adp_illegal_args;
/*
* try to flush any packet that is still being written
*/
if (DevSW_FlushPendingWrite(device) != adp_ok)
return adp_write_busy;
/*
* we can take this packet - set things up, then try to get rid of it
*/
initialise_write(dc, packet, type);
if (angelDebugLogEnable)
dumpPacket(angelDebugLogFile,"tx:",&dc->dc_packet);
flush_packet(device, dc);
return adp_ok;
}
static int ffm_write_trailer(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
/* flush packets */
if (ffm->packet_ptr > ffm->packet)
flush_packet(s);
return 0;
}
compress_term (gif_dest_ptr dinfo)
{
output(dinfo, dinfo->EOFCode);
if (dinfo->cur_bits > 0) {
CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
}
flush_packet(dinfo);
}
compress_term (gif_dest_ptr dinfo)
/* Clean up at end */
{
/* Send an EOF code */
output(dinfo, dinfo->EOFCode);
/* Flush the bit-packing buffer */
if (dinfo->cur_bits > 0) {
CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
}
/* Flush the packet buffer */
flush_packet(dinfo);
}
static int ffm_write_trailer(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
FFMContext *ffm = s->priv_data;
/* flush packets */
if (ffm->packet_ptr > ffm->packet)
flush_packet(s);
put_flush_packet(pb);
if (!url_is_streamed(pb)) {
int64_t size;
/* update the write offset */
size = url_ftell(pb);
url_fseek(pb, 8, SEEK_SET);
put_be64(pb, size);
put_flush_packet(pb);
}
return 0;
}
AdpErrs DevSW_FlushPendingWrite(const DeviceDescr *device)
{
struct DriverCall *dc;
struct data_packet *dp;
dc = &((DevSWState *)(device->SwitcherState))->ds_activewrite;
dp = &dc->dc_packet;
/*
* try to flush any packet that is still being written
*/
if (dp->data != NULL)
{
flush_packet(device, dc);
/* see if it has gone */
if (dp->data != NULL)
return adp_write_busy;
else
return adp_ok;
}
else
return adp_ok;
}
static void put_frame(AVFormatContext *s, ASFStream *stream, AVStream *avst,
int64_t timestamp, const uint8_t *buf,
int m_obj_size, int flags)
{
ASFContext *asf = s->priv_data;
int m_obj_offset, payload_len, frag_len1;
m_obj_offset = 0;
while (m_obj_offset < m_obj_size) {
payload_len = m_obj_size - m_obj_offset;
if (asf->packet_timestamp_start == -1) {
asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT);
asf->packet_size_left = PACKET_SIZE;
if (asf->multi_payloads_present) {
frag_len1 = MULTI_PAYLOAD_CONSTANT - 1;
} else {
frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH;
}
asf->packet_timestamp_start = timestamp;
} else {
// multi payloads
frag_len1 = asf->packet_size_left -
PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS -
PACKET_HEADER_MIN_SIZE - 1;
if (frag_len1 < payload_len &&
avst->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
flush_packet(s);
continue;
}
}
if (frag_len1 > 0) {
if (payload_len > frag_len1)
payload_len = frag_len1;
else if (payload_len == (frag_len1 - 1))
payload_len = frag_len1 - 2; // additional byte need to put padding length
put_payload_header(s, stream, timestamp + PREROLL_TIME,
m_obj_size, m_obj_offset, payload_len, flags);
avio_write(&asf->pb, buf, payload_len);
if (asf->multi_payloads_present)
asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS);
else
asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD);
asf->packet_timestamp_end = timestamp;
asf->packet_nb_payloads++;
} else {
payload_len = 0;
}
m_obj_offset += payload_len;
buf += payload_len;
if (!asf->multi_payloads_present)
flush_packet(s);
else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + PACKET_HEADER_MIN_SIZE + 1))
flush_packet(s);
else if (asf->packet_nb_payloads == ASF_PAYLOADS_PER_PACKET)
flush_packet(s);
}
stream->seq++;
}
static void put_frame(
AVFormatContext *s,
ASFStream *stream,
int timestamp,
const uint8_t *buf,
int m_obj_size,
int flags
)
{
ASFContext *asf = s->priv_data;
int m_obj_offset, payload_len, frag_len1;
m_obj_offset = 0;
while (m_obj_offset < m_obj_size) {
payload_len = m_obj_size - m_obj_offset;
if (asf->packet_timestamp_start == -1) {
asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT);
if (asf->multi_payloads_present){
asf->packet_size_left = PACKET_SIZE; //For debug
asf->packet_size_left = PACKET_SIZE - PACKET_HEADER_MIN_SIZE - 1;
frag_len1 = MULTI_PAYLOAD_CONSTANT - 1;
}
else {
asf->packet_size_left = PACKET_SIZE - PACKET_HEADER_MIN_SIZE;
frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH;
}
if (asf->prev_packet_sent_time > timestamp)
asf->packet_timestamp_start = asf->prev_packet_sent_time;
else
asf->packet_timestamp_start = timestamp;
}
else {
// multi payloads
frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS;
if (asf->prev_packet_sent_time > timestamp)
asf->packet_timestamp_start = asf->prev_packet_sent_time;
else if (asf->packet_timestamp_start >= timestamp)
asf->packet_timestamp_start = timestamp;
}
if (frag_len1 > 0) {
if (payload_len > frag_len1)
payload_len = frag_len1;
else if (payload_len == (frag_len1 - 1))
payload_len = frag_len1 - 2; //additional byte need to put padding length
put_payload_header(s, stream, timestamp+preroll_time, m_obj_size, m_obj_offset, payload_len, flags);
put_buffer(&asf->pb, buf, payload_len);
if (asf->multi_payloads_present)
asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS);
else
asf->packet_size_left -= (payload_len + PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD);
asf->packet_timestamp_end = timestamp;
asf->packet_nb_payloads++;
} else {
payload_len = 0;
}
m_obj_offset += payload_len;
buf += payload_len;
if (!asf->multi_payloads_present)
flush_packet(s);
else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + 1))
flush_packet(s);
}
stream->seq++;
}
