/*
- * Adaptive stream format muxer
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * ASF muxer
+ * Copyright (c) 2000, 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#include "metadata.h"
#include "riff.h"
#include "asf.h"
2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
)
-static int preroll_time = 2000;
+static const AVCodecTag codec_asf_bmp_tags[] = {
+ { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
+ { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
+ { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
+ { CODEC_ID_NONE, 0 },
+};
-static const uint8_t error_spread_ADPCM_G726[] = { 0x01, 0x90, 0x01, 0x90, 0x01, 0x01, 0x00, 0x00 };
+#define PREROLL_TIME 3100
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]);
+ assert(sizeof(*g) == 16);
+ put_buffer(s, *g, sizeof(*g));
}
+static void put_str16_nolen(ByteIOContext *s, const char *tag);
static void put_str16(ByteIOContext *s, const char *tag)
{
- int c;
-
put_le16(s,strlen(tag) + 1);
- for(;;) {
- c = (uint8_t)*tag++;
- put_le16(s, c);
- if (c == '\0')
- break;
- }
+ put_str16_nolen(s, tag);
}
static void put_str16_nolen(ByteIOContext *s, const char *tag)
{
int c;
- for(;;) {
+ do{
c = (uint8_t)*tag++;
put_le16(s, c);
- if (c == '\0')
- break;
- }
+ }while(c);
}
static int64_t put_header(ByteIOContext *pb, const GUID *g)
static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags)
{
ASFContext *asf = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
int length;
length = payload_length + 8;
static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data_chunk_size)
{
ASFContext *asf = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
+ AVMetadataTag *title, *author, *copyright, *comment;
int header_size, n, extra_size, extra_size2, wav_extra_size, file_time;
int has_title;
+ int metadata_count;
AVCodecContext *enc;
int64_t header_offset, cur_pos, hpos;
int bit_rate;
int64_t duration;
- duration = asf->duration + preroll_time * 10000;
- has_title = (s->title[0] || s->author[0] || s->copyright[0] || s->comment[0]);
+ title = av_metadata_get(s->metadata, "title" , NULL, 0);
+ author = av_metadata_get(s->metadata, "author" , NULL, 0);
+ copyright = av_metadata_get(s->metadata, "copyright", NULL, 0);
+ comment = av_metadata_get(s->metadata, "comment" , NULL, 0);
+
+ duration = asf->duration + PREROLL_TIME * 10000;
+ has_title = title || author || copyright || comment;
+ metadata_count = s->metadata ? s->metadata->count : 0;
bit_rate = 0;
for(n=0;n<s->nb_streams;n++) {
put_guid(pb, &asf_header);
put_le64(pb, -1); /* header length, will be patched after */
- put_le32(pb, 3 + has_title + s->nb_streams); /* number of chunks in header */
+ put_le32(pb, 3 + has_title + !!metadata_count + s->nb_streams); /* number of chunks in header */
put_byte(pb, 1); /* ??? */
put_byte(pb, 2); /* ??? */
put_le64(pb, unix_to_file_time(file_time));
put_le64(pb, asf->nb_packets); /* number of packets */
put_le64(pb, duration); /* end time stamp (in 100ns units) */
- put_le64(pb, duration); /* duration (in 100ns units) */
- put_le32(pb, preroll_time); /* start time stamp */
- put_le32(pb, 0); /* ??? */
- put_le32(pb, asf->is_streamed ? 1 : 0); /* ??? */
+ put_le64(pb, asf->duration); /* duration (in 100ns units) */
+ put_le64(pb, PREROLL_TIME); /* start time stamp */
+ put_le32(pb, (asf->is_streamed || url_is_streamed(pb)) ? 3 : 2); /* ??? */
put_le32(pb, asf->packet_size); /* packet size */
put_le32(pb, asf->packet_size); /* packet size */
put_le32(pb, bit_rate); /* Nominal data rate in bps */
/* title and other infos */
if (has_title) {
hpos = put_header(pb, &comment_header);
- if ( s->title[0] ) { put_le16(pb, 2 * (strlen(s->title ) + 1)); } else { put_le16(pb, 0); }
- if ( s->author[0] ) { put_le16(pb, 2 * (strlen(s->author ) + 1)); } else { put_le16(pb, 0); }
- if ( s->copyright[0] ) { put_le16(pb, 2 * (strlen(s->copyright) + 1)); } else { put_le16(pb, 0); }
- if ( s->comment[0] ) { put_le16(pb, 2 * (strlen(s->comment ) + 1)); } else { put_le16(pb, 0); }
+ put_le16(pb, title ? 2 * (strlen(title->value ) + 1) : 0);
+ put_le16(pb, author ? 2 * (strlen(author->value ) + 1) : 0);
+ put_le16(pb, copyright ? 2 * (strlen(copyright->value) + 1) : 0);
+ put_le16(pb, comment ? 2 * (strlen(comment->value ) + 1) : 0);
put_le16(pb, 0);
- if ( s->title[0] ) put_str16_nolen(pb, s->title);
- if ( s->author[0] ) put_str16_nolen(pb, s->author);
- if ( s->copyright[0] ) put_str16_nolen(pb, s->copyright);
- if ( s->comment[0] ) put_str16_nolen(pb, s->comment);
+ if (title ) put_str16_nolen(pb, title->value );
+ if (author ) put_str16_nolen(pb, author->value );
+ if (copyright) put_str16_nolen(pb, copyright->value);
+ if (comment ) put_str16_nolen(pb, comment->value );
+ end_header(pb, hpos);
+ }
+ if (metadata_count) {
+ AVMetadataTag *tag = NULL;
+ hpos = put_header(pb, &extended_content_header);
+ put_le16(pb, metadata_count);
+ while ((tag = av_metadata_get(s->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX))) {
+ put_le16(pb, 2*(strlen(tag->key) + 3) + 1);
+ put_le16(pb, 'W');
+ put_le16(pb, 'M');
+ put_le16(pb, '/');
+ put_str16_nolen(pb, tag->key);
+ put_le16(pb, 0);
+ put_le16(pb, 2*strlen(tag->value) + 1);
+ put_str16_nolen(pb, tag->value);
+ }
end_header(pb, hpos);
}
/* stream headers */
for(n=0;n<s->nb_streams;n++) {
int64_t es_pos;
- const uint8_t *er_spr = NULL;
- int er_spr_len = 0;
// ASFStream *stream = &asf->streams[n];
enc = s->streams[n]->codec;
asf->streams[n].seq = 0;
- if (enc->codec_type == CODEC_TYPE_AUDIO) {
- if (enc->codec_id == CODEC_ID_ADPCM_G726) {
- er_spr = error_spread_ADPCM_G726;
- er_spr_len = sizeof(error_spread_ADPCM_G726);
- }
- }
-
switch(enc->codec_type) {
case CODEC_TYPE_AUDIO:
wav_extra_size = 0;
extra_size = 18 + wav_extra_size;
- extra_size2 = er_spr_len;
+ extra_size2 = 8;
break;
default:
case CODEC_TYPE_VIDEO:
hpos = put_header(pb, &stream_header);
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_guid(pb, &audio_stream);
- if ((er_spr != NULL) && (er_spr_len != 0)) {
- put_guid(pb, &audio_conceal_spread);
- } else {
- put_guid(pb, &video_conceal_none);
- }
+ put_guid(pb, &audio_conceal_spread);
} else {
put_guid(pb, &video_stream);
put_guid(pb, &video_conceal_none);
url_fseek(pb, cur_pos, SEEK_SET);
}
/* ERROR Correction */
- if ((er_spr != NULL) && (er_spr_len != 0))
- put_buffer(pb, er_spr, er_spr_len);
+ put_byte(pb, 0x01);
+ if(enc->codec_id == CODEC_ID_ADPCM_G726 || !enc->block_align){
+ put_le16(pb, 0x0190);
+ put_le16(pb, 0x0190);
+ }else{
+ put_le16(pb, enc->block_align);
+ put_le16(pb, enc->block_align);
+ }
+ put_le16(pb, 0x01);
+ put_byte(pb, 0x00);
} else {
put_le32(pb, enc->width);
put_le32(pb, enc->height);
enc = s->streams[n]->codec;
p = avcodec_find_encoder(enc->codec_id);
- put_le16(pb, asf->streams[n].num);
- put_str16(pb, p ? p->name : enc->codec_name);
+ if(enc->codec_type == CODEC_TYPE_AUDIO)
+ put_le16(pb, 2);
+ else if(enc->codec_type == CODEC_TYPE_VIDEO)
+ put_le16(pb, 1);
+ else
+ put_le16(pb, -1);
+
+ if(enc->codec_id == CODEC_ID_WMAV2)
+ put_str16(pb, "Windows Media Audio V8");
+ else
+ put_str16(pb, p ? p->name : enc->codec_name);
put_le16(pb, 0); /* no parameters */
/* id */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_le16(pb, 2);
- if(!enc->codec_tag)
- enc->codec_tag = codec_get_tag(codec_wav_tags, enc->codec_id);
- if(!enc->codec_tag)
- return -1;
put_le16(pb, enc->codec_tag);
} else {
put_le16(pb, 4);
- if(!enc->codec_tag)
- enc->codec_tag = codec_get_tag(codec_bmp_tags, enc->codec_id);
- if(!enc->codec_tag)
- return -1;
put_le32(pb, enc->codec_tag);
}
+ if(!enc->codec_tag)
+ return -1;
}
end_header(pb, hpos);
asf->nb_packets = 0;
asf->last_indexed_pts = 0;
- asf->index_ptr = (ASFIndex*)av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK );
+ asf->index_ptr = av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK );
asf->nb_index_memory_alloc = ASF_INDEX_BLOCK;
asf->nb_index_count = 0;
asf->maximum_packet = 0;
+ /* the data-chunk-size has to be 50, which is data_size - asf->data_offset
+ * at the moment this function is done. It is needed to use asf as
+ * streamable format. */
if (asf_write_header1(s, 0, 50) < 0) {
//av_free(asf);
return -1;
}
- put_flush_packet(&s->pb);
+ put_flush_packet(s->pb);
asf->packet_nb_payloads = 0;
- asf->prev_packet_sent_time = 0;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
)
{
ASFContext *asf = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
int ppi_size, i;
- unsigned char *start_ppi_ptr = pb->buf_ptr;
+ 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)
put_byte(pb, nb_payloads | ASF_PAYLOAD_FLAGS);
- ppi_size = pb->buf_ptr - start_ppi_ptr;
+ ppi_size = url_ftell(pb) - start;
return ppi_size;
}
ASFContext *asf = s->priv_data;
int packet_hdr_size, packet_filled_size;
+ assert(asf->packet_timestamp_end >= asf->packet_timestamp_start);
+
if (asf->is_streamed) {
put_chunk(s, 0x4424, asf->packet_size, 0);
}
asf->packet_size_left
);
- packet_filled_size = PACKET_SIZE - packet_hdr_size - asf->packet_size_left;
+ packet_filled_size = PACKET_SIZE - asf->packet_size_left;
+ assert(packet_hdr_size <= asf->packet_size_left);
memset(asf->packet_buf + packet_filled_size, 0, asf->packet_size_left);
- put_buffer(&s->pb, asf->packet_buf, asf->packet_size - packet_hdr_size);
+ put_buffer(s->pb, asf->packet_buf, asf->packet_size - packet_hdr_size);
- put_flush_packet(&s->pb);
+ put_flush_packet(s->pb);
asf->nb_packets++;
asf->packet_nb_payloads = 0;
- asf->prev_packet_sent_time = asf->packet_timestamp_start;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
static void put_frame(
AVFormatContext *s,
ASFStream *stream,
+ AVStream *avst,
int timestamp,
const uint8_t *buf,
int m_obj_size,
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){
- 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;
+ asf->packet_timestamp_start = timestamp;
}
else {
// multi payloads
- frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS;
+ frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - PACKET_HEADER_MIN_SIZE - 1;
- 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 < payload_len && avst->codec->codec_type == CODEC_TYPE_AUDIO){
+ flush_packet(s);
+ continue;
+ }
}
if (frag_len1 > 0) {
if (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_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)
if (!asf->multi_payloads_present)
flush_packet(s);
- else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + 1))
+ else if (asf->packet_size_left <= (PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS + PACKET_HEADER_MIN_SIZE + 1))
flush_packet(s);
}
stream->seq++;
AVCodecContext *codec;
int64_t packet_st,pts;
int start_sec,i;
+ int flags= pkt->flags;
codec = s->streams[pkt->stream_index]->codec;
stream = &asf->streams[pkt->stream_index];
- //XXX /FIXME use duration from AVPacket (quick hack by)
+ if(codec->codec_type == CODEC_TYPE_AUDIO)
+ flags &= ~PKT_FLAG_KEY;
+
pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
- if (pts == AV_NOPTS_VALUE) {
- if (codec->codec_type == CODEC_TYPE_AUDIO) {
- duration = (codec->frame_number * (int64_t)codec->frame_size * INT64_C(10000000)) /
- codec->sample_rate;
- } else {
- duration = av_rescale(codec->frame_number * (int64_t)codec->time_base.num, 10000000, codec->time_base.den);
- }
- } else {
- duration = pts * 10000;
- }
- if (duration > asf->duration)
- asf->duration = duration;
+ assert(pts != AV_NOPTS_VALUE);
+ duration = pts * 10000;
+ asf->duration= FFMAX(asf->duration, duration + pkt->duration * 10000);
packet_st = asf->nb_packets;
- put_frame(s, stream, pkt->pts, pkt->data, pkt->size, pkt->flags);
+ put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags);
/* check index */
- if ((!asf->is_streamed) && (codec->codec_type == CODEC_TYPE_VIDEO) && (pkt->flags & PKT_FLAG_KEY)) {
+ if ((!asf->is_streamed) && (flags & PKT_FLAG_KEY)) {
start_sec = (int)(duration / INT64_C(10000000));
if (start_sec != (int)(asf->last_indexed_pts / INT64_C(10000000))) {
for(i=asf->nb_index_count;i<start_sec;i++) {
// store
asf->index_ptr[i].packet_number = (uint32_t)packet_st;
asf->index_ptr[i].packet_count = (uint16_t)(asf->nb_packets-packet_st);
- if (asf->maximum_packet < (uint16_t)(asf->nb_packets-packet_st))
- asf->maximum_packet = (uint16_t)(asf->nb_packets-packet_st);
+ asf->maximum_packet = FFMAX(asf->maximum_packet, (uint16_t)(asf->nb_packets-packet_st));
}
asf->nb_index_count = start_sec;
asf->last_indexed_pts = duration;
//
static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
int i;
put_guid(pb, &simple_index_header);
flush_packet(s);
/* write index */
- data_size = url_ftell(&s->pb);
+ 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);
+ put_flush_packet(s->pb);
- if (asf->is_streamed) {
+ 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);
+ 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);
+ put_flush_packet(s->pb);
av_free(asf->index_ptr);
return 0;
}
-#ifdef CONFIG_ASF_MUXER
+#if CONFIG_ASF_MUXER
AVOutputFormat asf_muxer = {
"asf",
- "asf format",
+ NULL_IF_CONFIG_SMALL("ASF format"),
"video/x-ms-asf",
"asf,wmv,wma",
sizeof(ASFContext),
-#ifdef CONFIG_MP3LAME
+#if CONFIG_LIBMP3LAME
CODEC_ID_MP3,
#else
CODEC_ID_MP2,
asf_write_packet,
asf_write_trailer,
.flags = AVFMT_GLOBALHEADER,
+ .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
};
#endif
-#ifdef CONFIG_ASF_STREAM_MUXER
+#if CONFIG_ASF_STREAM_MUXER
AVOutputFormat asf_stream_muxer = {
"asf_stream",
- "asf format",
+ NULL_IF_CONFIG_SMALL("ASF format"),
"video/x-ms-asf",
"asf,wmv,wma",
sizeof(ASFContext),
-#ifdef CONFIG_MP3LAME
+#if CONFIG_LIBMP3LAME
CODEC_ID_MP3,
#else
CODEC_ID_MP2,
asf_write_packet,
asf_write_trailer,
.flags = AVFMT_GLOBALHEADER,
+ .codec_tag= (const AVCodecTag* const []){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
};
#endif //CONFIG_ASF_STREAM_MUXER
projects / ffmpeg / blobdiff