/*
- * Adaptive stream format encoder
+ * Adaptive stream format muxer
* Copyright (c) 2000, 2001 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
-#include "avi.h"
+#include "riff.h"
#include "asf.h"
#undef NDEBUG
#include <assert.h>
-#ifdef CONFIG_ENCODERS
+
+#define ASF_INDEXED_INTERVAL 10000000
+#define ASF_INDEX_BLOCK 600
#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2
#define ASF_PACKET_ERROR_CORRECTION_FLAGS (\
- ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
- ASF_PACKET_ERROR_CORRECTION_DATA_SIZE\
- )
+ ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
+ ASF_PACKET_ERROR_CORRECTION_DATA_SIZE\
+ )
#if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0)
# define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1
#endif
#define ASF_PPI_PROPERTY_FLAGS (\
- ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
- ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
- ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
- ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE \
- )
+ ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
+ ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
+ ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
+ ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE \
+ )
#define ASF_PPI_LENGTH_TYPE_FLAGS 0
#endif
#define PACKET_HEADER_MIN_SIZE (\
- ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
- ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
- 1 + /*Length Type Flags*/ \
- 1 + /*Property Flags*/ \
- ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
- ASF_PPI_SEQUENCE_FIELD_SIZE + \
- ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
- 4 + /*Send Time Field*/ \
- 2 /*Duration Field*/ \
- )
+ ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
+ ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
+ 1 + /*Length Type Flags*/ \
+ 1 + /*Property Flags*/ \
+ ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
+ ASF_PPI_SEQUENCE_FIELD_SIZE + \
+ ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
+ 4 + /*Send Time Field*/ \
+ 2 /*Duration Field*/ \
+ )
// Replicated Data shall be at least 8 bytes long.
#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08
#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD (\
- 1 + /*Stream Number*/ \
- ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
- ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
- ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
- ASF_PAYLOAD_REPLICATED_DATA_LENGTH \
- )
-
+ 1 + /*Stream Number*/ \
+ ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
+ ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
+ ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
+ ASF_PAYLOAD_REPLICATED_DATA_LENGTH \
+ )
+
#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS (\
- 1 + /*Stream Number*/ \
- ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
- ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
- ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
- ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
- ASF_PAYLOAD_LENGTH_FIELD_SIZE \
- )
+ 1 + /*Stream Number*/ \
+ ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
+ ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
+ ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
+ ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
+ ASF_PAYLOAD_LENGTH_FIELD_SIZE \
+ )
#define SINGLE_PAYLOAD_DATA_LENGTH (\
- PACKET_SIZE - \
- PACKET_HEADER_MIN_SIZE - \
- PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
- )
+ PACKET_SIZE - \
+ PACKET_HEADER_MIN_SIZE - \
+ PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
+ )
#define MULTI_PAYLOAD_CONSTANT (\
- PACKET_SIZE - \
- PACKET_HEADER_MIN_SIZE - \
- 1 - /*Payload Flags*/ \
- 2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
- )
+ PACKET_SIZE - \
+ PACKET_HEADER_MIN_SIZE - \
+ 1 - /*Payload Flags*/ \
+ 2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
+ )
+
+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 int preroll_time = 2000;
+#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)
{
int64_t t;
- t = ti * int64_t_C(10000000);
- t += int64_t_C(116444736000000000);
+ t = ti * INT64_C(10000000);
+ t += INT64_C(116444736000000000);
return t;
}
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]);
bit_rate = 0;
for(n=0;n<s->nb_streams;n++) {
- enc = &s->streams[n]->codec;
+ enc = s->streams[n]->codec;
av_set_pts_info(s->streams[n], 32, 1, 1000); /* 32 bit pts in ms */
file_time = 0;
put_le64(pb, unix_to_file_time(file_time));
put_le64(pb, asf->nb_packets); /* number of packets */
- put_le64(pb, asf->duration); /* end time stamp (in 100ns units) */
+ put_le64(pb, duration); /* end time stamp (in 100ns units) */
put_le64(pb, asf->duration); /* duration (in 100ns units) */
- put_le32(pb, 0); /* start time stamp */
- put_le32(pb, 0); /* ??? */
- put_le32(pb, asf->is_streamed ? 1 : 0); /* ??? */
+ 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);
- put_le16(pb, 2 * (strlen(s->title) + 1));
- put_le16(pb, 2 * (strlen(s->author) + 1));
- put_le16(pb, 2 * (strlen(s->copyright) + 1));
- put_le16(pb, 2 * (strlen(s->comment) + 1));
+ 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, 0);
- put_str16_nolen(pb, s->title);
- put_str16_nolen(pb, s->author);
- put_str16_nolen(pb, s->copyright);
- put_str16_nolen(pb, s->comment);
+ 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);
end_header(pb, hpos);
}
int64_t es_pos;
// ASFStream *stream = &asf->streams[n];
- enc = &s->streams[n]->codec;
+ enc = s->streams[n]->codec;
asf->streams[n].num = n + 1;
asf->streams[n].seq = 0;
+
switch(enc->codec_type) {
case CODEC_TYPE_AUDIO:
wav_extra_size = 0;
extra_size = 18 + wav_extra_size;
- extra_size2 = 0;
+ extra_size2 = 8;
break;
default:
case CODEC_TYPE_VIDEO:
- wav_extra_size = 0;
- extra_size = 0x33;
+ wav_extra_size = enc->extradata_size;
+ extra_size = 0x33 + wav_extra_size;
extra_size2 = 0;
break;
}
hpos = put_header(pb, &stream_header);
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_guid(pb, &audio_stream);
- put_guid(pb, &audio_conceal_none);
+ put_guid(pb, &audio_conceal_spread);
} else {
put_guid(pb, &video_stream);
put_guid(pb, &video_conceal_none);
if (enc->codec_type == CODEC_TYPE_AUDIO) {
/* WAVEFORMATEX header */
int wavsize = put_wav_header(pb, enc);
+ if ((enc->codec_id != CODEC_ID_MP3) && (enc->codec_id != CODEC_ID_MP2) && (enc->codec_id != CODEC_ID_ADPCM_IMA_WAV) && (enc->extradata_size==0)) {
+ wavsize += 2;
+ put_le16(pb, 0);
+ }
if (wavsize < 0)
return -1;
put_le32(pb, wavsize); /* wav header len */
url_fseek(pb, cur_pos, SEEK_SET);
}
+ /* ERROR Correction */
+ 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);
put_byte(pb, 2); /* ??? */
- put_le16(pb, 40); /* size */
+ put_le16(pb, 40 + enc->extradata_size); /* size */
/* BITMAPINFOHEADER header */
put_bmp_header(pb, enc, codec_bmp_tags, 1);
for(n=0;n<s->nb_streams;n++) {
AVCodec *p;
- enc = &s->streams[n]->codec;
+ 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->packet_size = PACKET_SIZE;
asf->nb_packets = 0;
+ asf->last_indexed_pts = 0;
+ asf->index_ptr = (ASFIndex*)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);
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,
static int put_payload_parsing_info(
AVFormatContext *s,
- unsigned int sendtime,
+ unsigned int sendtime,
unsigned int duration,
- int nb_payloads,
+ int nb_payloads,
int padsize
)
{
ASFContext *asf = s->priv_data;
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;
}
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_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,
int presentation_time,
int m_obj_size,
int m_obj_offset,
- int payload_len
+ int payload_len,
+ int flags
)
{
ASFContext *asf = s->priv_data;
ByteIOContext *pb = &asf->pb;
int val;
-
+
val = stream->num;
- if (s->streams[val - 1]->codec.coded_frame->key_frame)
+ 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
+ // 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
+ // 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 void put_frame(
AVFormatContext *s,
ASFStream *stream,
- int timestamp,
+ AVStream *avst,
+ int timestamp,
const uint8_t *buf,
- int m_obj_size
- )
+ int m_obj_size,
+ int flags
+ )
{
ASFContext *asf = s->priv_data;
int m_obj_offset, payload_len, frag_len1;
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){
- 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;
+ 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)
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);
+
+ 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)
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;
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++;
}
-static int asf_write_packet(AVFormatContext *s, int stream_index,
- const uint8_t *buf, int size, int64_t timestamp)
+static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
ASFContext *asf = s->priv_data;
ASFStream *stream;
int64_t duration;
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];
+
+ if(codec->codec_type == CODEC_TYPE_AUDIO)
+ flags &= ~PKT_FLAG_KEY;
+
+ //XXX /FIXME use duration from AVPacket (quick hack by)
+ pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
+ assert(pts != AV_NOPTS_VALUE);
+ duration = pts * 10000;
+ asf->duration= FFMAX(asf->duration, duration);
+
+ packet_st = asf->nb_packets;
+ put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags);
+
+ /* check index */
+ 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++) {
+ if (i>=asf->nb_index_memory_alloc) {
+ asf->nb_index_memory_alloc += ASF_INDEX_BLOCK;
+ asf->index_ptr = (ASFIndex*)av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc );
+ }
+ // store
+ asf->index_ptr[i].packet_number = (uint32_t)packet_st;
+ asf->index_ptr[i].packet_count = (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;
+ }
+ }
+ return 0;
+}
- codec = &s->streams[stream_index]->codec;
- stream = &asf->streams[stream_index];
+//
+static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
+{
+ ByteIOContext *pb = &s->pb;
+ int i;
- if (codec->codec_type == CODEC_TYPE_AUDIO) {
- duration = (codec->frame_number * codec->frame_size * int64_t_C(10000000)) /
- codec->sample_rate;
- } else {
- duration = av_rescale(codec->frame_number * codec->frame_rate_base, 10000000, codec->frame_rate);
+ put_guid(pb, &simple_index_header);
+ put_le64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count);
+ put_guid(pb, &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);
}
- if (duration > asf->duration)
- asf->duration = duration;
- put_frame(s, stream, timestamp, buf, size);
return 0;
}
static int asf_write_trailer(AVFormatContext *s)
{
ASFContext *asf = s->priv_data;
- int64_t file_size;
+ int64_t file_size,data_size;
/* flush the current packet */
if (asf->pb.buf_ptr > asf->pb.buffer)
flush_packet(s);
- if (asf->is_streamed) {
+ /* 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, file_size - asf->data_offset);
+ asf_write_header1(s, file_size, data_size - asf->data_offset);
}
put_flush_packet(&s->pb);
+ av_free(asf->index_ptr);
return 0;
}
-AVOutputFormat asf_oformat = {
+#ifdef CONFIG_ASF_MUXER
+AVOutputFormat asf_muxer = {
"asf",
"asf format",
"video/x-ms-asf",
- "asf,wmv",
+ "asf,wmv,wma",
sizeof(ASFContext),
-#ifdef CONFIG_MP3LAME
+#ifdef CONFIG_LIBMP3LAME
CODEC_ID_MP3,
#else
CODEC_ID_MP2,
asf_write_header,
asf_write_packet,
asf_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag= (const AVCodecTag*[]){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
};
+#endif
-AVOutputFormat asf_stream_oformat = {
+#ifdef CONFIG_ASF_STREAM_MUXER
+AVOutputFormat asf_stream_muxer = {
"asf_stream",
"asf format",
"video/x-ms-asf",
- "asf,wmv",
+ "asf,wmv,wma",
sizeof(ASFContext),
-#ifdef CONFIG_MP3LAME
+#ifdef CONFIG_LIBMP3LAME
CODEC_ID_MP3,
#else
CODEC_ID_MP2,
asf_write_stream_header,
asf_write_packet,
asf_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag= (const AVCodecTag*[]){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
};
-#endif //CONFIG_ENCODERS
+#endif //CONFIG_ASF_STREAM_MUXER
projects / ffmpeg / blobdiff