static void v210_convert(void *frame_bytes, picture_t *pic, int dst_stride)
{
int width = pic->format.i_width;
int height = pic->format.i_height;
int line_padding = dst_stride - ((width * 8 + 11) / 12) * 4;
int h, w;
uint8_t *data = (uint8_t*)frame_bytes;
const uint16_t *y = (const uint16_t*)pic->p[0].p_pixels;
const uint16_t *u = (const uint16_t*)pic->p[1].p_pixels;
const uint16_t *v = (const uint16_t*)pic->p[2].p_pixels;
#define WRITE_PIXELS(a, b, c) \
do { \
val = clip(*a++); \
val |= (clip(*b++) << 10) | \
(clip(*c++) << 20); \
put_le32(&data, val); \
} while (0)
for (h = 0; h < height; h++) {
uint32_t val = 0;
for (w = 0; w < width - 5; w += 6) {
WRITE_PIXELS(u, y, v);
WRITE_PIXELS(y, u, y);
WRITE_PIXELS(v, y, u);
WRITE_PIXELS(y, v, y);
}
if (w < width - 1) {
WRITE_PIXELS(u, y, v);
val = clip(*y++);
if (w == width - 2)
put_le32(&data, val);
#undef WRITE_PIXELS
}
if (w < width - 3) {
val |= (clip(*u++) << 10) | (clip(*y++) << 20);
put_le32(&data, val);
val = clip(*v++) | (clip(*y++) << 10);
put_le32(&data, val);
}
memset(data, 0, line_padding);
data += line_padding;
y += pic->p[0].i_pitch / 2 - width;
u += pic->p[1].i_pitch / 2 - width / 2;
v += pic->p[2].i_pitch / 2 - width / 2;
}
}
static int avi_write_idx1(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
int64_t idx_chunk;
int i;
char tag[5];
if (!url_is_streamed(pb)) {
AVIStream *avist;
AVIIentry* ie = 0, *tie;
int empty, stream_id = -1;
idx_chunk = ff_start_tag(pb, "idx1");
for(i=0; i<s->nb_streams; i++){
avist= s->streams[i]->priv_data;
avist->entry=0;
}
do {
empty = 1;
for (i=0; i<s->nb_streams; i++) {
avist= s->streams[i]->priv_data;
if (avist->indexes.entry <= avist->entry)
continue;
tie = avi_get_ientry(&avist->indexes, avist->entry);
if (empty || tie->pos < ie->pos) {
ie = tie;
stream_id = i;
}
empty = 0;
}
if (!empty) {
avist= s->streams[stream_id]->priv_data;
avi_stream2fourcc(&tag[0], stream_id,
s->streams[stream_id]->codec->codec_type);
put_tag(pb, &tag[0]);
put_le32(pb, ie->flags);
put_le32(pb, ie->pos);
put_le32(pb, ie->len);
avist->entry++;
}
} while (!empty);
ff_end_tag(pb, idx_chunk);
avi_write_counters(s, avi->riff_id);
}
return 0;
}
static int gxf_write_umf_media_description(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
ByteIOContext *pb = s->pb;
int64_t pos;
int i, j;
pos = url_ftell(pb);
gxf->umf_media_offset = pos - gxf->umf_start_offset;
for (i = 0; i <= s->nb_streams; ++i) {
GXFStreamContext *sc;
int64_t startpos, curpos;
if (i == s->nb_streams)
sc = &gxf->timecode_track;
else
sc = s->streams[i]->priv_data;
startpos = url_ftell(pb);
put_le16(pb, 0); /* length */
put_le16(pb, sc->media_info);
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le32(pb, gxf->nb_fields);
put_le32(pb, 0); /* attributes rw, ro */
put_le32(pb, 0); /* mark in */
put_le32(pb, gxf->nb_fields); /* mark out */
put_buffer(pb, ES_NAME_PATTERN, strlen(ES_NAME_PATTERN));
put_be16(pb, sc->media_info);
for (j = strlen(ES_NAME_PATTERN)+2; j < 88; j++)
put_byte(pb, 0);
put_le32(pb, sc->track_type);
put_le32(pb, sc->sample_rate);
put_le32(pb, sc->sample_size);
put_le32(pb, 0); /* reserved */
if (sc == &gxf->timecode_track)
gxf_write_umf_media_timecode(pb, sc); /* 8 0bytes */
else {
AVStream *st = s->streams[i];
switch (st->codec->codec_id) {
case CODEC_ID_MPEG2VIDEO:
gxf_write_umf_media_mpeg(pb, st);
break;
case CODEC_ID_PCM_S16LE:
gxf_write_umf_media_audio(pb, sc);
break;
case CODEC_ID_DVVIDEO:
gxf_write_umf_media_dv(pb, sc);
break;
}
}
curpos = url_ftell(pb);
url_fseek(pb, startpos, SEEK_SET);
put_le16(pb, curpos - startpos);
url_fseek(pb, curpos, SEEK_SET);
}
return url_ftell(pb) - pos;
}
static int gxf_write_umf_user_data(ByteIOContext *pb, GXFContext *ctx)
{
int64_t pos = url_ftell(pb);
ctx->umf_user_data_offset = pos - ctx->umf_start_offset;
put_le32(pb, 20);
put_le32(pb, 0);
put_le16(pb, 0);
put_le16(pb, 0);
put_le32(pb, 0);
put_byte(pb, 0);
put_byte(pb, 0);
put_byte(pb, 0);
put_byte(pb, 0);
return 20;
}
static int gxf_write_flt_packet(ByteIOContext *pb, GXFContext *ctx)
{
int64_t pos = url_ftell(pb);
int i;
gxf_write_packet_header(pb, PKT_FLT);
put_le32(pb, 1000); /* number of fields */
put_le32(pb, 0); /* number of active flt entries */
for (i = 0; i < 1000; ++i) {
put_le32(pb, 0);
}
return updatePacketSize(pb, pos);
}
static int swf_write_trailer(AVFormatContext *s)
{
SWFContext *swf = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc, *video_enc;
int file_size, i;
video_enc = NULL;
for(i=0;i<s->nb_streams;i++) {
enc = s->streams[i]->codec;
if (enc->codec_type == CODEC_TYPE_VIDEO)
video_enc = enc;
else
av_fifo_free(&swf->audio_fifo);
}
put_swf_tag(s, TAG_END);
put_swf_end_tag(s);
put_flush_packet(s->pb);
/* patch file size and number of frames if not streamed */
if (!url_is_streamed(s->pb) && video_enc) {
file_size = url_ftell(pb);
url_fseek(pb, 4, SEEK_SET);
put_le32(pb, file_size);
url_fseek(pb, swf->duration_pos, SEEK_SET);
put_le16(pb, swf->video_frame_number);
url_fseek(pb, swf->vframes_pos, SEEK_SET);
put_le16(pb, swf->video_frame_number);
url_fseek(pb, file_size, SEEK_SET);
}
return 0;
}
static DBusMessage *set_cumulative_wheel_rev(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct csc *csc = data;
dbus_uint32_t value;
struct controlpoint_req *req;
uint8_t att_val[5]; /* uint8 opcode + uint32 value */
if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_UINT32, &value,
DBUS_TYPE_INVALID))
return btd_error_invalid_args(msg);
if (csc->pending_req != NULL)
return btd_error_in_progress(msg);
req = g_new(struct controlpoint_req, 1);
req->csc = csc;
req->opcode = SET_CUMULATIVE_VALUE;
req->msg = dbus_message_ref(msg);
csc->pending_req = req;
att_val[0] = SET_CUMULATIVE_VALUE;
put_le32(value, att_val + 1);
gatt_write_char(csc->attrib, csc->controlpoint_val_handle, att_val,
sizeof(att_val), controlpoint_write_cb, req);
return NULL;
}
static int avi_write_ix(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
char tag[5];
char ix_tag[] = "ix00";
int i, j;
assert(!url_is_streamed(pb));
if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
return -1;
for (i=0;i<s->nb_streams;i++) {
AVIStream *avist= s->streams[i]->priv_data;
int64_t ix, pos;
avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
ix_tag[3] = '0' + i;
/* Writing AVI OpenDML leaf index chunk */
ix = url_ftell(pb);
put_tag(pb, &ix_tag[0]); /* ix?? */
put_le32(pb, avist->indexes.entry * 8 + 24);
/* chunk size */
put_le16(pb, 2); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
put_le32(pb, avist->indexes.entry);
/* nEntriesInUse */
put_tag(pb, &tag[0]); /* dwChunkId */
put_le64(pb, avi->movi_list);/* qwBaseOffset */
put_le32(pb, 0); /* dwReserved_3 (must be 0) */
for (j=0; j<avist->indexes.entry; j++) {
AVIIentry* ie = avi_get_ientry(&avist->indexes, j);
put_le32(pb, ie->pos + 8);
put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
(ie->flags & 0x10 ? 0 : 0x80000000));
}
put_flush_packet(pb);
pos = url_ftell(pb);
/* Updating one entry in the AVI OpenDML master index */
url_fseek(pb, avist->indexes.indx_start - 8, SEEK_SET);
put_tag(pb, "indx"); /* enabling this entry */
url_fskip(pb, 8);
put_le32(pb, avi->riff_id); /* nEntriesInUse */
url_fskip(pb, 16*avi->riff_id);
put_le64(pb, ix); /* qwOffset */
put_le32(pb, pos - ix); /* dwSize */
put_le32(pb, avist->indexes.entry); /* dwDuration */
url_fseek(pb, pos, SEEK_SET);
}
return 0;
}
static int gxf_write_umf_material_description(ByteIOContext *pb, GXFContext *ctx)
{
// XXX drop frame
uint32_t timecode =
ctx->nb_fields / (ctx->sample_rate * 3600) % 24 << 24 | // hours
ctx->nb_fields / (ctx->sample_rate * 60) % 60 << 16 | // minutes
ctx->nb_fields / ctx->sample_rate % 60 << 8 | // seconds
ctx->nb_fields % ctx->sample_rate; // fields
put_le32(pb, ctx->flags);
put_le32(pb, ctx->nb_fields); /* length of the longest track */
put_le32(pb, ctx->nb_fields); /* length of the shortest track */
put_le32(pb, 0); /* mark in */
put_le32(pb, ctx->nb_fields); /* mark out */
put_le32(pb, 0); /* timecode mark in */
put_le32(pb, timecode); /* timecode mark out */
put_le64(pb, ctx->fc->timestamp); /* modification time */
put_le64(pb, ctx->fc->timestamp); /* creation time */
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->audio_tracks);
put_le16(pb, 0); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, ctx->mpeg_tracks);
return 48;
}
static int gxf_write_umf_material_description(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
ByteIOContext *pb = s->pb;
int timecode_base = gxf->time_base.den == 60000 ? 60 : 50;
// XXX drop frame
uint32_t timecode =
gxf->nb_fields / (timecode_base * 3600) % 24 << 24 | // hours
gxf->nb_fields / (timecode_base * 60) % 60 << 16 | // minutes
gxf->nb_fields / timecode_base % 60 << 8 | // seconds
gxf->nb_fields % timecode_base; // fields
put_le32(pb, gxf->flags);
put_le32(pb, gxf->nb_fields); /* length of the longest track */
put_le32(pb, gxf->nb_fields); /* length of the shortest track */
put_le32(pb, 0); /* mark in */
put_le32(pb, gxf->nb_fields); /* mark out */
put_le32(pb, 0); /* timecode mark in */
put_le32(pb, timecode); /* timecode mark out */
put_le64(pb, s->timestamp); /* modification time */
put_le64(pb, s->timestamp); /* creation time */
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->audio_tracks);
put_le16(pb, 1); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->mpeg_tracks);
return 48;
}
static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
{
ByteIOContext *pb = s->pb;
int i;
put_guid(pb, &ff_asf_simple_index_header);
put_le64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count);
put_guid(pb, &ff_asf_my_guid);
put_le64(pb, ASF_INDEXED_INTERVAL);
put_le32(pb, max);
put_le32(pb, count);
for(i=0; i<count; i++) {
put_le32(pb, index[i].packet_number);
put_le16(pb, index[i].packet_count);
}
return 0;
}
void end_tag(ByteIOContext *pb, offset_t start)
{
offset_t pos;
pos = url_ftell(pb);
url_fseek(pb, start - 4, SEEK_SET);
put_le32(pb, (uint32_t)(pos - start));
url_fseek(pb, pos, SEEK_SET);
}
static int avi_write_idx1(AVFormatContext *s)
{
ByteIOContext *pb = &s->pb;
AVIContext *avi = s->priv_data;
offset_t idx_chunk;
int i;
char tag[5];
if (!url_is_streamed(pb)) {
AVIIentry* ie = 0, *tie;
int entry[MAX_STREAMS];
int empty, stream_id = -1;
idx_chunk = start_tag(pb, "idx1");
memset(&entry[0], 0, sizeof(entry));
do {
empty = 1;
for (i=0; i<s->nb_streams; i++) {
if (avi->indexes[i].entry <= entry[i])
continue;
tie = avi_get_ientry(&avi->indexes[i], entry[i]);
if (empty || tie->pos < ie->pos) {
ie = tie;
stream_id = i;
}
empty = 0;
}
if (!empty) {
avi_stream2fourcc(&tag[0], stream_id,
s->streams[stream_id]->codec->codec_type);
put_tag(pb, &tag[0]);
put_le32(pb, ie->flags);
put_le32(pb, ie->pos);
put_le32(pb, ie->len);
entry[stream_id]++;
}
} while (!empty);
end_tag(pb, idx_chunk);
avi_write_counters(s, avi->riff_id);
}
return 0;
}
static int sox_write_header(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
AVMetadataTag *comment;
size_t comment_len = 0, comment_size;
comment = av_metadata_get(s->metadata, "comment", NULL, 0);
if (comment)
comment_len = strlen(comment->value);
comment_size = (comment_len + 7) & ~7;
sox->header_size = SOX_FIXED_HDR + comment_size;
if (enc->codec_id == CODEC_ID_PCM_S32LE) {
put_tag(pb, ".SoX");
put_le32(pb, sox->header_size);
put_le64(pb, 0); /* number of samples */
put_le64(pb, av_dbl2int(enc->sample_rate));
put_le32(pb, enc->channels);
put_le32(pb, comment_size);
} else if (enc->codec_id == CODEC_ID_PCM_S32BE) {
put_tag(pb, "XoS.");
put_be32(pb, sox->header_size);
put_be64(pb, 0); /* number of samples */
put_be64(pb, av_dbl2int(enc->sample_rate));
put_be32(pb, enc->channels);
put_be32(pb, comment_size);
} else {
av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
return -1;
}
if (comment_len)
put_buffer(pb, comment->value, comment_len);
for ( ; comment_size > comment_len; comment_len++)
put_byte(pb, 0);
put_flush_packet(pb);
return 0;
}
static inline void put_uuid_le(const bt_uuid_t *src, void *dst)
{
if (src->type == BT_UUID16)
put_le16(src->value.u16, dst);
else if (src->type == BT_UUID32)
put_le32(src->value.u32, dst);
else
/* Convert from 128-bit BE to LE */
bswap_128(&src->value.u128, dst);
}
static int gxf_write_umf_media_timecode(ByteIOContext *pb, GXFStreamContext *sc)
{
put_le32(pb, 1); /* non drop frame */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
return 32;
}
static int ivf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
ByteIOContext *pb = s->pb;
put_le32(pb, pkt->size);
put_le64(pb, pkt->pts);
put_buffer(pb, pkt->data, pkt->size);
put_flush_packet(pb);
return 0;
}
static void put_guid(ByteIOContext *s, const GUID *g)
{
int i;
put_le32(s, g->v1);
put_le16(s, g->v2);
put_le16(s, g->v3);
for(i=0;i<8;i++)
put_byte(s, g->v4[i]);
}
static int avi_write_trailer(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
ByteIOContext *pb = s->pb;
int res = 0;
int i, j, n, nb_frames;
int64_t file_size;
if (!url_is_streamed(pb)){
if (avi->riff_id == 1) {
ff_end_tag(pb, avi->movi_list);
res = avi_write_idx1(s);
ff_end_tag(pb, avi->riff_start);
} else {
avi_write_ix(s);
ff_end_tag(pb, avi->movi_list);
ff_end_tag(pb, avi->riff_start);
file_size = url_ftell(pb);
url_fseek(pb, avi->odml_list - 8, SEEK_SET);
put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
url_fskip(pb, 16);
for (n=nb_frames=0;n<s->nb_streams;n++) {
AVCodecContext *stream = s->streams[n]->codec;
AVIStream *avist= s->streams[n]->priv_data;
if (stream->codec_type == AVMEDIA_TYPE_VIDEO) {
if (nb_frames < avist->packet_count)
nb_frames = avist->packet_count;
} else {
if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
nb_frames += avist->packet_count;
}
}
}
put_le32(pb, nb_frames);
url_fseek(pb, file_size, SEEK_SET);
avi_write_counters(s, avi->riff_id);
}
}
put_flush_packet(pb);
for (i=0; i<s->nb_streams; i++) {
AVIStream *avist= s->streams[i]->priv_data;
for (j=0; j<avist->indexes.ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
av_free(avist->indexes.cluster[j]);
av_freep(&avist->indexes.cluster);
avist->indexes.ents_allocated = avist->indexes.entry = 0;
}
return res;
}
static int gxf_write_umf_media_description(ByteIOContext *pb, GXFContext *ctx)
{
int64_t pos;
int i;
pos = url_ftell(pb);
ctx->umf_media_offset = pos - ctx->umf_start_offset;
for (i = 0; i < ctx->fc->nb_streams; ++i) {
GXFStreamContext *sc = &ctx->streams[i];
char buffer[88];
int64_t startpos, curpos;
int path_size = strlen(ES_NAME_PATTERN);
memset(buffer, 0, 88);
startpos = url_ftell(pb);
put_le16(pb, 0); /* length */
put_le16(pb, sc->media_info);
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le32(pb, ctx->nb_frames);
put_le32(pb, 0); /* attributes rw, ro */
put_le32(pb, 0); /* mark in */
put_le32(pb, ctx->nb_frames); /* mark out */
strncpy(buffer, ES_NAME_PATTERN, path_size);
put_buffer(pb, (uint8_t *)buffer, path_size);
put_be16(pb, sc->media_info);
put_buffer(pb, (uint8_t *)buffer + path_size + 2, 88 - path_size - 2);
put_le32(pb, sc->track_type);
put_le32(pb, sc->sample_rate);
put_le32(pb, sc->sample_size);
put_le32(pb, 0); /* reserved */
switch (sc->codec->codec_id) {
case CODEC_ID_MPEG2VIDEO:
gxf_write_umf_media_mpeg(pb, sc);
break;
case CODEC_ID_PCM_S16LE:
gxf_write_umf_media_audio(pb, sc);
break;
case CODEC_ID_DVVIDEO:
gxf_write_umf_media_dv(pb, sc);
break;
default:
gxf_write_umf_media_timecode(pb, sc); /* 8 0bytes */
}
curpos = url_ftell(pb);
url_fseek(pb, startpos, SEEK_SET);
put_le16(pb, curpos - startpos);
url_fseek(pb, curpos, SEEK_SET);
}
return url_ftell(pb) - pos;
}
static void avi_write_info_tag(ByteIOContext *pb, const char *tag, const char *str)
{
int len = strlen(str);
if (len > 0) {
len++;
put_tag(pb, tag);
put_le32(pb, len);
put_strz(pb, str);
if (len & 1)
put_byte(pb, 0);
}
}
static int put_payload_parsing_info(
AVFormatContext *s,
unsigned int sendtime,
unsigned int duration,
int nb_payloads,
int padsize
)
{
ASFContext *asf = s->priv_data;
ByteIOContext *pb = s->pb;
int ppi_size, i;
int64_t start= url_ftell(pb);
int iLengthTypeFlags = ASF_PPI_LENGTH_TYPE_FLAGS;
padsize -= PACKET_HEADER_MIN_SIZE;
if(asf->multi_payloads_present)
padsize--;
assert(padsize>=0);
put_byte(pb, ASF_PACKET_ERROR_CORRECTION_FLAGS);
for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++){
put_byte(pb, 0x0);
}
if (asf->multi_payloads_present)
iLengthTypeFlags |= ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT;
if (padsize > 0) {
if (padsize < 256)
iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE;
else
iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD;
}
put_byte(pb, iLengthTypeFlags);
put_byte(pb, ASF_PPI_PROPERTY_FLAGS);
if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD)
put_le16(pb, padsize - 2);
if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE)
put_byte(pb, padsize - 1);
put_le32(pb, sendtime);
put_le16(pb, duration);
if (asf->multi_payloads_present)
put_byte(pb, nb_payloads | ASF_PAYLOAD_FLAGS);
ppi_size = url_ftell(pb) - start;
return ppi_size;
}
static int voc_write_packet(AVFormatContext *s, AVPacket *pkt)
{
voc_enc_context_t *voc = s->priv_data;
AVCodecContext *enc = s->streams[0]->codec;
ByteIOContext *pb = &s->pb;
if (!voc->param_written) {
int format = codec_get_tag(voc_codec_tags, enc->codec_id);
if (format > 0xFF) {
put_byte(pb, VOC_TYPE_NEW_VOICE_DATA);
put_le24(pb, pkt->size + 12);
put_le32(pb, enc->sample_rate);
put_byte(pb, enc->bits_per_sample);
put_byte(pb, enc->channels);
put_le16(pb, format);
put_le32(pb, 0);
} else {
if (s->streams[0]->codec->channels > 1) {
put_byte(pb, VOC_TYPE_EXTENDED);
put_le24(pb, 4);
put_le16(pb, 65536-256000000/(enc->sample_rate*enc->channels));
put_byte(pb, format);
put_byte(pb, enc->channels - 1);
}
put_byte(pb, VOC_TYPE_VOICE_DATA);
put_le24(pb, pkt->size + 2);
put_byte(pb, 256 - 1000000 / enc->sample_rate);
put_byte(pb, format);
}
voc->param_written = 1;
} else {
put_byte(pb, VOC_TYPE_VOICE_DATA_CONT);
put_le24(pb, pkt->size);
}
put_buffer(pb, pkt->data, pkt->size);
return 0;
}
static int wav_write_header(AVFormatContext *s)
{
WAVContext *wav = s->priv_data;
ByteIOContext *pb = s->pb;
int64_t fmt, fact;
put_tag(pb, "RIFF");
put_le32(pb, 0); /* file length */
put_tag(pb, "WAVE");
/* format header */
fmt = ff_start_tag(pb, "fmt ");
if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
av_free(wav);
return -1;
}
ff_end_tag(pb, fmt);
if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
&& !url_is_streamed(s->pb)) {
fact = ff_start_tag(pb, "fact");
put_le32(pb, 0);
ff_end_tag(pb, fact);
}
av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
wav->maxpts = wav->last_duration = 0;
wav->minpts = INT64_MAX;
/* data header */
wav->data = ff_start_tag(pb, "data");
put_flush_packet(pb);
return 0;
}
/* write an asf chunk (only used in streaming case) */
static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags)
{
ASFContext *asf = s->priv_data;
ByteIOContext *pb = s->pb;
int length;
length = payload_length + 8;
put_le16(pb, type);
put_le16(pb, length); //size
put_le32(pb, asf->seqno);//sequence number
put_le16(pb, flags); /* unknown bytes */
put_le16(pb, length); //size_confirm
asf->seqno++;
}
static int ogg_write_page(AVFormatContext *s, OGGPage *page, int extra_flags)
{
OGGStreamContext *oggstream = s->streams[page->stream_index]->priv_data;
ByteIOContext *pb;
int64_t crc_offset;
int ret, size;
uint8_t *buf;
ret = url_open_dyn_buf(&pb);
if (ret < 0)
return ret;
init_checksum(pb, ff_crc04C11DB7_update, 0);
put_tag(pb, "OggS");
put_byte(pb, 0);
put_byte(pb, page->flags | extra_flags);
put_le64(pb, page->granule);
put_le32(pb, oggstream->serial_num);
put_le32(pb, oggstream->page_counter++);
crc_offset = url_ftell(pb);
put_le32(pb, 0); // crc
put_byte(pb, page->segments_count);
put_buffer(pb, page->segments, page->segments_count);
put_buffer(pb, page->data, page->size);
ogg_update_checksum(s, pb, crc_offset);
put_flush_packet(pb);
size = url_close_dyn_buf(pb, &buf);
if (size < 0)
return size;
put_buffer(s->pb, buf, size);
put_flush_packet(s->pb);
av_free(buf);
oggstream->page_count--;
return 0;
}
static void put_swf_tag(AVFormatContext *s, int tag)
{
SWFContext *swf = s->priv_data;
ByteIOContext *pb = s->pb;
swf->tag_pos = url_ftell(pb);
swf->tag = tag;
/* reserve some room for the tag */
if (tag & TAG_LONG) {
put_le16(pb, 0);
put_le32(pb, 0);
} else {
put_le16(pb, 0);
}
}
static int gxf_write_flt_packet(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
ByteIOContext *pb = s->pb;
int64_t pos = url_ftell(pb);
int fields_per_flt = (gxf->nb_fields+1) / 1000 + 1;
int flt_entries = gxf->nb_fields / fields_per_flt - 1;
int i = 0;
gxf_write_packet_header(pb, PKT_FLT);
put_le32(pb, fields_per_flt); /* number of fields */
put_le32(pb, flt_entries); /* number of active flt entries */
if (gxf->flt_entries) {
for (i = 0; i < flt_entries; i++)
put_le32(pb, gxf->flt_entries[(i*fields_per_flt)>>1]);
}
for (; i < 1000; i++)
put_le32(pb, 0);
return updatePacketSize(pb, pos);
}
static void put_payload_header(
AVFormatContext *s,
ASFStream *stream,
int presentation_time,
int m_obj_size,
int m_obj_offset,
int payload_len,
int flags
)
{
ASFContext *asf = s->priv_data;
ByteIOContext *pb = &asf->pb;
int val;
val = stream->num;
if (flags & PKT_FLAG_KEY)
val |= ASF_PL_FLAG_KEY_FRAME;
put_byte(pb, val);
put_byte(pb, stream->seq); //Media object number
put_le32(pb, m_obj_offset); //Offset Into Media Object
// Replicated Data shall be at least 8 bytes long.
// The first 4 bytes of data shall contain the
// Size of the Media Object that the payload belongs to.
// The next 4 bytes of data shall contain the
// Presentation Time for the media object that the payload belongs to.
put_byte(pb, ASF_PAYLOAD_REPLICATED_DATA_LENGTH);
put_le32(pb, m_obj_size); //Replicated Data - Media Object Size
put_le32(pb, presentation_time);//Replicated Data - Presentation Time
if (asf->multi_payloads_present){
put_le16(pb, payload_len); //payload length
}
}
static int wav_write_header(AVFormatContext *s)
{
WAVContext *wav = s->priv_data;
ByteIOContext *pb = &s->pb;
offset_t fmt, fact;
put_tag(pb, "RIFF");
put_le32(pb, 0); /* file length */
put_tag(pb, "WAVE");
/* format header */
fmt = start_tag(pb, "fmt ");
if (put_wav_header(pb, s->streams[0]->codec) < 0) {
av_free(wav);
return -1;
}
end_tag(pb, fmt);
if(s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
&& !url_is_streamed(&s->pb)) {
fact = start_tag(pb, "fact");
put_le32(pb, 0);
end_tag(pb, fact);
}
av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
wav->maxpts = wav->last_duration = 0;
wav->minpts = INT64_MAX;
/* data header */
wav->data = start_tag(pb, "data");
put_flush_packet(pb);
return 0;
}
