/*
- * 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\
+ )
+
+#if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0)
+# define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1
+#else
+# define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 0
+#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 \
+ )
+
+#define ASF_PPI_LENGTH_TYPE_FLAGS 0
+
+#define ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD
+
+#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
+# define ASF_PPI_SEQUENCE_FIELD_SIZE 1
+#endif
+#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
+# define ASF_PPI_SEQUENCE_FIELD_SIZE 2
+#endif
+#if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
+# define ASF_PPI_SEQUENCE_FIELD_SIZE 4
+#endif
+#ifndef ASF_PPI_SEQUENCE_FIELD_SIZE
+# define ASF_PPI_SEQUENCE_FIELD_SIZE 0
+#endif
+
+
+#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 1
+#endif
+#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 2
+#endif
+#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 4
+#endif
+#ifndef ASF_PPI_PACKET_LENGTH_FIELD_SIZE
+# define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0
+#endif
+
+#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 1
+#endif
+#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 2
+#endif
+#if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
+# define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 4
+#endif
+#ifndef ASF_PPI_PADDING_LENGTH_FIELD_SIZE
+# define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0
+#endif
+
+#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1
+#endif
+#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 2
+#endif
+#if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 4
+#endif
+#ifndef ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE
+# define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 0
+#endif
+
+#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 1
+#endif
+#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 2
+#endif
+#if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4
+#endif
+#ifndef ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE
+# define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 0
+#endif
+
+#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1
+#endif
+#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 2
+#endif
+#if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 4
+#endif
+#ifndef ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE
+# define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 0
+#endif
+
+#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_LENGTH_FIELD_SIZE 1
+#endif
+#if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
+# define ASF_PAYLOAD_LENGTH_FIELD_SIZE 2
+#endif
+#ifndef ASF_PAYLOAD_LENGTH_FIELD_SIZE
+# define ASF_PAYLOAD_LENGTH_FIELD_SIZE 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*/ \
+ )
+
+
+// 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 \
+ )
+
+#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 \
+ )
+
+#define SINGLE_PAYLOAD_DATA_LENGTH (\
+ 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 \
+ )
+
+static int preroll_time = 2000;
+
+static const uint8_t error_spread_ADPCM_G726[] = { 0x01, 0x90, 0x01, 0x90, 0x01, 0x01, 0x00, 0x00 };
+
static void put_guid(ByteIOContext *s, const GUID *g)
{
int i;
length = payload_length + 8;
put_le16(pb, type);
- put_le16(pb, length);
- put_le32(pb, asf->seqno);
+ put_le16(pb, length); //size
+ put_le32(pb, asf->seqno);//sequence number
put_le16(pb, flags); /* unknown bytes */
- put_le16(pb, length);
+ put_le16(pb, length); //size_confirm
asf->seqno++;
}
{
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 */
bit_rate += enc->bit_rate;
}
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, asf->duration); /* duration (in 100ns units) */
- put_le32(pb, 0); /* start time stamp */
+ 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_le32(pb, asf->packet_size); /* packet size */
/* 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);
}
/* 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;
+ enc = s->streams[n]->codec;
asf->streams[n].num = n + 1;
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 = 0;
+ extra_size2 = er_spr_len;
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);
+ if ((er_spr != NULL) && (er_spr_len != 0)) {
+ put_guid(pb, &audio_conceal_spread);
+ } else {
+ put_guid(pb, &video_conceal_none);
+ }
} 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 */
+ if ((er_spr != NULL) && (er_spr_len != 0))
+ put_buffer(pb, er_spr, er_spr_len);
} 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);
put_le16(pb, 0); /* no parameters */
-
-
+
+
/* id */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
put_le16(pb, 2);
{
ASFContext *asf = s->priv_data;
- av_set_pts_info(s, 32, 1, 1000); /* 32 bit pts in ms */
-
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;
+
if (asf_write_header1(s, 0, 50) < 0) {
//av_free(asf);
return -1;
put_flush_packet(&s->pb);
- asf->packet_nb_frames = 0;
+ asf->packet_nb_payloads = 0;
+ asf->prev_packet_sent_time = 0;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
- asf->packet_size_left = asf->packet_size - PACKET_HEADER_SIZE;
init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
NULL, NULL, NULL, NULL);
return asf_write_header(s);
}
-/* write a fixed size packet */
-static int put_packet(AVFormatContext *s,
- unsigned int timestamp, unsigned int duration,
- int nb_frames, int padsize)
+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 flags;
+ int ppi_size, i;
+ unsigned char *start_ppi_ptr = pb->buf_ptr;
- if (asf->is_streamed) {
- put_chunk(s, 0x4424, asf->packet_size, 0);
+ int iLengthTypeFlags = ASF_PPI_LENGTH_TYPE_FLAGS;
+
+ put_byte(pb, ASF_PACKET_ERROR_CORRECTION_FLAGS);
+ for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++){
+ put_byte(pb, 0x0);
}
- put_byte(pb, 0x82);
- put_le16(pb, 0);
+ if (asf->multi_payloads_present)
+ iLengthTypeFlags |= ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT;
- flags = 0x01; /* nb segments present */
if (padsize > 0) {
if (padsize < 256)
- flags |= 0x08;
+ iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE;
else
- flags |= 0x10;
+ iLengthTypeFlags |= ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD;
}
- put_byte(pb, flags); /* flags */
- put_byte(pb, 0x5d);
- if (flags & 0x10)
+ 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 (flags & 0x08)
+ if (iLengthTypeFlags & ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE)
put_byte(pb, padsize - 1);
- put_le32(pb, timestamp);
+
+ put_le32(pb, sendtime);
put_le16(pb, duration);
- put_byte(pb, nb_frames | 0x80);
+ if (asf->multi_payloads_present)
+ put_byte(pb, nb_payloads | ASF_PAYLOAD_FLAGS);
+
+ ppi_size = pb->buf_ptr - start_ppi_ptr;
- return PACKET_HEADER_SIZE + ((flags & 0x18) >> 3);
+ return ppi_size;
}
static void flush_packet(AVFormatContext *s)
{
ASFContext *asf = s->priv_data;
- int hdr_size, ptr;
+ int packet_hdr_size, packet_filled_size;
+
+ if (asf->is_streamed) {
+ put_chunk(s, 0x4424, asf->packet_size, 0);
+ }
- hdr_size = put_packet(s, asf->packet_timestamp_start,
- asf->packet_timestamp_end - asf->packet_timestamp_start,
- asf->packet_nb_frames, asf->packet_size_left);
+ packet_hdr_size = put_payload_parsing_info(
+ s,
+ asf->packet_timestamp_start,
+ asf->packet_timestamp_end - asf->packet_timestamp_start,
+ asf->packet_nb_payloads,
+ asf->packet_size_left
+ );
- /* Clear out the padding bytes */
- ptr = asf->packet_size - hdr_size - asf->packet_size_left;
- memset(asf->packet_buf + ptr, 0, asf->packet_size_left);
+ packet_filled_size = PACKET_SIZE - 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 - hdr_size);
+ put_buffer(&s->pb, asf->packet_buf, asf->packet_size - packet_hdr_size);
put_flush_packet(&s->pb);
asf->nb_packets++;
- asf->packet_nb_frames = 0;
+ asf->packet_nb_payloads = 0;
+ asf->prev_packet_sent_time = asf->packet_timestamp_start;
asf->packet_timestamp_start = -1;
asf->packet_timestamp_end = -1;
- asf->packet_size_left = asf->packet_size - PACKET_HEADER_SIZE;
init_put_byte(&asf->pb, asf->packet_buf, asf->packet_size, 1,
NULL, NULL, NULL, NULL);
}
-static void put_frame_header(AVFormatContext *s, ASFStream *stream, int timestamp,
- int payload_size, int frag_offset, int frag_len)
+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 (s->streams[val - 1]->codec.coded_frame->key_frame /* && frag_offset == 0 */)
- val |= 0x80;
+ if (flags & PKT_FLAG_KEY)
+ val |= ASF_PL_FLAG_KEY_FRAME;
put_byte(pb, val);
- put_byte(pb, stream->seq);
- put_le32(pb, frag_offset); /* fragment offset */
- put_byte(pb, 0x08); /* flags */
- put_le32(pb, payload_size);
- put_le32(pb, timestamp);
- put_le16(pb, frag_len);
-}
+ put_byte(pb, stream->seq); //Media object number
+ put_le32(pb, m_obj_offset); //Offset Into Media Object
-/* Output a frame. We suppose that payload_size <= PACKET_SIZE.
+ // 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);
- It is there that you understand that the ASF format is really
- crap. They have misread the MPEG Systems spec !
- */
-static void put_frame(AVFormatContext *s, ASFStream *stream, int timestamp,
- const uint8_t *buf, int payload_size)
+ 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,
+ const uint8_t *buf,
+ int m_obj_size,
+ int flags
+ )
{
ASFContext *asf = s->priv_data;
- int frag_pos, frag_len, frag_len1;
+ 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;
- frag_pos = 0;
- while (frag_pos < payload_size) {
- frag_len = payload_size - frag_pos;
- frag_len1 = asf->packet_size_left - FRAME_HEADER_SIZE;
+ 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 (frag_len > frag_len1)
- frag_len = frag_len1;
- put_frame_header(s, stream, timestamp+1, payload_size, frag_pos, frag_len);
- put_buffer(&asf->pb, buf, frag_len);
- asf->packet_size_left -= (frag_len + FRAME_HEADER_SIZE);
+ 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;
- if (asf->packet_timestamp_start == -1)
- asf->packet_timestamp_start = timestamp;
- asf->packet_nb_frames++;
+
+ asf->packet_nb_payloads++;
} else {
- frag_len = 0;
+ payload_len = 0;
}
- frag_pos += frag_len;
- buf += frag_len;
- /* output the frame if filled */
- if (asf->packet_size_left <= FRAME_HEADER_SIZE)
+ 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++;
}
-
-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;
-
- codec = &s->streams[stream_index]->codec;
- stream = &asf->streams[stream_index];
-
- if (codec->codec_type == CODEC_TYPE_AUDIO) {
- duration = (codec->frame_number * codec->frame_size * int64_t_C(10000000)) /
- codec->sample_rate;
+ int64_t packet_st,pts;
+ int start_sec,i;
+
+ codec = s->streams[pkt->stream_index]->codec;
+ stream = &asf->streams[pkt->stream_index];
+
+ //XXX /FIXME use duration from AVPacket (quick hack by)
+ 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 = av_rescale(codec->frame_number * codec->frame_rate_base, 10000000, codec->frame_rate);
+ duration = pts * 10000;
}
if (duration > asf->duration)
asf->duration = duration;
- put_frame(s, stream, timestamp, buf, size);
+ packet_st = asf->nb_packets;
+ put_frame(s, stream, pkt->pts, pkt->data, pkt->size, pkt->flags);
+
+ /* check index */
+ if ((!asf->is_streamed) && (codec->codec_type == CODEC_TYPE_VIDEO) && (pkt->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);
+ if (asf->maximum_packet < (uint16_t)(asf->nb_packets-packet_st))
+ asf->maximum_packet = (uint16_t)(asf->nb_packets-packet_st);
+ }
+ asf->nb_index_count = start_sec;
+ asf->last_indexed_pts = duration;
+ }
+ }
+ return 0;
+}
+
+//
+static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count)
+{
+ ByteIOContext *pb = &s->pb;
+ int i;
+
+ 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);
+ }
+
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);
+ /* 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) {
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,
};
+#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,
};
-#endif //CONFIG_ENCODERS
+#endif //CONFIG_ASF_STREAM_MUXER
projects / ffmpeg / blobdiff