/*
- * "Real" compatible mux and demux.
+ * "Real" compatible muxer and demuxer.
* 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"
/* in ms */
-#define BUFFER_DURATION 0
+#define BUFFER_DURATION 0
typedef struct {
int nb_packets;
int data_pos; /* position of the data after the header */
int nb_packets;
int old_format;
+ int current_stream;
+ int remaining_len;
+ /// Audio descrambling matrix parameters
+ uint8_t *audiobuf; ///< place to store reordered audio data
+ int64_t audiotimestamp; ///< Audio packet timestamp
+ int sub_packet_cnt; // Subpacket counter, used while reading
+ int sub_packet_size, sub_packet_h, coded_framesize; ///< Descrambling parameters from container
+ int audio_stream_num; ///< Stream number for audio packets
+ int audio_pkt_cnt; ///< Output packet counter
+ int audio_framesize; /// Audio frame size from container
+ int sub_packet_lengths[16]; /// Length of each aac subpacket
} RMContext;
-#ifdef CONFIG_ENCODERS
+#ifdef CONFIG_MUXERS
static void put_str(ByteIOContext *s, const char *tag)
{
put_be16(s,strlen(tag));
}
}
-static void rv10_write_header(AVFormatContext *ctx,
+static void rv10_write_header(AVFormatContext *ctx,
int data_size, int index_pos)
{
RMContext *rm = ctx->priv_data;
if (url_is_streamed(s))
flags |= 4; /* live broadcast */
put_be16(s, flags);
-
+
/* comments */
put_tag(s,"CONT");
- size = strlen(ctx->title) + strlen(ctx->author) + strlen(ctx->copyright) +
+ size = strlen(ctx->title) + strlen(ctx->author) + strlen(ctx->copyright) +
strlen(ctx->comment) + 4 * 2 + 10;
put_be32(s,size);
put_be16(s,0);
put_str(s, ctx->author);
put_str(s, ctx->copyright);
put_str(s, ctx->comment);
-
+
for(i=0;i<ctx->nb_streams;i++) {
int codec_data_size;
stream = &rm->streams[i];
-
+
if (stream->enc->codec_type == CODEC_TYPE_AUDIO) {
desc = "The Audio Stream";
mimetype = "audio/x-pn-realaudio";
put_be32(s, stream->bit_rate); /* avg bit rate */
put_be32(s, stream->packet_max_size); /* max packet size */
if (stream->nb_packets > 0)
- packet_avg_size = stream->packet_total_size /
+ packet_avg_size = stream->packet_total_size /
stream->nb_packets;
else
packet_avg_size = 0;
put_str8(s, desc);
put_str8(s, mimetype);
put_be32(s, codec_data_size);
-
+
if (stream->enc->codec_type == CODEC_TYPE_AUDIO) {
int coded_frame_size, fscode, sample_rate;
sample_rate = stream->enc->sample_rate;
- coded_frame_size = (stream->enc->bit_rate *
+ coded_frame_size = (stream->enc->bit_rate *
stream->enc->frame_size) / (8 * sample_rate);
/* audio codec info */
put_tag(s, ".ra");
put_be32(s, 0x249f0); /* unknown */
put_be16(s, 0x01);
/* frame length : seems to be very important */
- put_be16(s, coded_frame_size);
+ put_be16(s, coded_frame_size);
put_be32(s, 0); /* unknown */
put_be16(s, stream->enc->sample_rate); /* sample rate */
put_be32(s, 0x10); /* unknown */
} else {
/* video codec info */
put_be32(s,34); /* size */
- put_tag(s,"VIDORV10");
+ if(stream->enc->codec_id == CODEC_ID_RV10)
+ put_tag(s,"VIDORV10");
+ else
+ put_tag(s,"VIDORV20");
put_be16(s, stream->enc->width);
put_be16(s, stream->enc->height);
put_be16(s, (int) stream->frame_rate); /* frames per seconds ? */
/* Seems to be the codec version: only use basic H263. The next
versions seems to add a diffential DC coding as in
MPEG... nothing new under the sun */
- put_be32(s,0x10000000);
- //put_be32(s,0x10003000);
+ if(stream->enc->codec_id == CODEC_ID_RV10)
+ put_be32(s,0x10000000);
+ else
+ put_be32(s,0x20103001);
+ //put_be32(s,0x10003000);
}
}
data_offset_ptr[1] = data_pos >> 16;
data_offset_ptr[2] = data_pos >> 8;
data_offset_ptr[3] = data_pos;
-
+
/* data stream */
put_tag(s,"DATA");
put_be32(s,data_size + 10 + 8);
put_be32(s,0); /* next data header */
}
-static void write_packet_header(AVFormatContext *ctx, StreamInfo *stream,
+static void write_packet_header(AVFormatContext *ctx, StreamInfo *stream,
int length, int key_frame)
{
int timestamp;
for(n=0;n<s->nb_streams;n++) {
s->streams[n]->id = n;
- codec = &s->streams[n]->codec;
+ codec = s->streams[n]->codec;
stream = &rm->streams[n];
memset(stream, 0, sizeof(StreamInfo));
stream->num = n;
break;
case CODEC_TYPE_VIDEO:
rm->video_stream = stream;
- stream->frame_rate = (float)codec->frame_rate / (float)codec->frame_rate_base;
+ stream->frame_rate = (float)codec->time_base.den / (float)codec->time_base.num;
/* XXX: dummy values */
stream->packet_max_size = 4096;
stream->nb_packets = 0;
stream->total_frames = stream->nb_packets;
break;
default:
- av_abort();
+ return -1;
}
}
/* XXX: suppress this malloc */
buf1= (uint8_t*) av_malloc( size * sizeof(uint8_t) );
-
+
write_packet_header(s, stream, size, !!(flags & PKT_FLAG_KEY));
-
+
/* for AC3, the words seems to be reversed */
for(i=0;i<size;i+=2) {
buf1[i] = buf[i+1];
#if 1
write_packet_header(s, stream, size + 7, key_frame);
/* bit 7: '1' if final packet of a frame converted in several packets */
- put_byte(pb, 0x81);
+ put_byte(pb, 0x81);
/* bit 7: '1' if I frame. bits 6..0 : sequence number in current
frame starting from 1 */
if (key_frame) {
- put_byte(pb, 0x81);
+ put_byte(pb, 0x81);
} else {
- put_byte(pb, 0x01);
+ put_byte(pb, 0x01);
}
- put_be16(pb, 0x4000 | (size)); /* total frame size */
- put_be16(pb, 0x4000 | (size)); /* offset from the start or the end */
+ put_be16(pb, 0x4000 + (size)); /* total frame size */
+ put_be16(pb, 0x4000 + (size)); /* offset from the start or the end */
#else
/* full frame */
write_packet_header(s, size + 6);
- put_byte(pb, 0xc0);
- put_be16(pb, 0x4000 | size); /* total frame size */
+ put_byte(pb, 0xc0);
+ put_be16(pb, 0x4000 + size); /* total frame size */
put_be16(pb, 0x4000 + packet_number * 126); /* position in stream */
#endif
- put_byte(pb, stream->nb_frames & 0xff);
-
+ put_byte(pb, stream->nb_frames & 0xff);
+
put_buffer(pb, buf, size);
put_flush_packet(pb);
static int rm_write_packet(AVFormatContext *s, AVPacket *pkt)
{
- if (s->streams[pkt->stream_index]->codec.codec_type ==
+ if (s->streams[pkt->stream_index]->codec->codec_type ==
CODEC_TYPE_AUDIO)
return rm_write_audio(s, pkt->data, pkt->size, pkt->flags);
else
return rm_write_video(s, pkt->data, pkt->size, pkt->flags);
}
-
+
static int rm_write_trailer(AVFormatContext *s)
{
RMContext *rm = s->priv_data;
put_tag(pb, "INDX");
put_be32(pb, 10 + 10 * s->nb_streams);
put_be16(pb, 0);
-
+
for(i=0;i<s->nb_streams;i++) {
put_be32(pb, 0); /* zero indices */
put_be16(pb, i); /* stream number */
/* undocumented end header */
put_be32(pb, 0);
put_be32(pb, 0);
-
+
url_fseek(pb, 0, SEEK_SET);
for(i=0;i<s->nb_streams;i++)
rm->streams[i].total_frames = rm->streams[i].nb_frames;
put_flush_packet(pb);
return 0;
}
-#endif //CONFIG_ENCODERS
+#endif //CONFIG_MUXERS
/***************************************************/
*q = '\0';
}
-static void rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
+static int rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
int read_all)
{
+ RMContext *rm = s->priv_data;
ByteIOContext *pb = &s->pb;
- char buf[128];
+ char buf[256];
uint32_t version;
int i;
/* ra type header */
version = get_be32(pb); /* version */
if (((version >> 16) & 0xff) == 3) {
+ int64_t startpos = url_ftell(pb);
/* very old version */
for(i = 0; i < 14; i++)
get_byte(pb);
get_str8(pb, s->author, sizeof(s->author));
get_str8(pb, s->copyright, sizeof(s->copyright));
get_str8(pb, s->comment, sizeof(s->comment));
+ if ((startpos + (version & 0xffff)) >= url_ftell(pb) + 2) {
+ // fourcc (should always be "lpcJ")
get_byte(pb);
get_str8(pb, buf, sizeof(buf));
- st->codec.sample_rate = 8000;
- st->codec.channels = 1;
- st->codec.codec_type = CODEC_TYPE_AUDIO;
- st->codec.codec_id = CODEC_ID_RA_144;
+ }
+ // Skip extra header crap (this should never happen)
+ if ((startpos + (version & 0xffff)) > url_ftell(pb))
+ url_fskip(pb, (version & 0xffff) + startpos - url_ftell(pb));
+ st->codec->sample_rate = 8000;
+ st->codec->channels = 1;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_RA_144;
} else {
+ int flavor, sub_packet_h, coded_framesize, sub_packet_size;
/* old version (4) */
get_be32(pb); /* .ra4 */
- get_be32(pb);
- get_be16(pb);
+ get_be32(pb); /* data size */
+ get_be16(pb); /* version2 */
get_be32(pb); /* header size */
- get_be16(pb); /* add codec info */
- get_be32(pb); /* coded frame size */
+ flavor= get_be16(pb); /* add codec info / flavor */
+ rm->coded_framesize = coded_framesize = get_be32(pb); /* coded frame size */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
get_be32(pb); /* ??? */
- get_be16(pb); /* 1 */
- get_be16(pb); /* coded frame size */
+ rm->sub_packet_h = sub_packet_h = get_be16(pb); /* 1 */
+ st->codec->block_align= get_be16(pb); /* frame size */
+ rm->sub_packet_size = sub_packet_size = get_be16(pb); /* sub packet size */
+ get_be16(pb); /* ??? */
+ if (((version >> 16) & 0xff) == 5) {
+ get_be16(pb); get_be16(pb); get_be16(pb); }
+ st->codec->sample_rate = get_be16(pb);
get_be32(pb);
- st->codec.sample_rate = get_be16(pb);
- get_be32(pb);
- st->codec.channels = get_be16(pb);
- get_str8(pb, buf, sizeof(buf)); /* desc */
- get_str8(pb, buf, sizeof(buf)); /* desc */
- st->codec.codec_type = CODEC_TYPE_AUDIO;
+ st->codec->channels = get_be16(pb);
+ if (((version >> 16) & 0xff) == 5) {
+ get_be32(pb);
+ buf[0] = get_byte(pb);
+ buf[1] = get_byte(pb);
+ buf[2] = get_byte(pb);
+ buf[3] = get_byte(pb);
+ buf[4] = 0;
+ } else {
+ get_str8(pb, buf, sizeof(buf)); /* desc */
+ get_str8(pb, buf, sizeof(buf)); /* desc */
+ }
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
if (!strcmp(buf, "dnet")) {
- st->codec.codec_id = CODEC_ID_AC3;
+ st->codec->codec_id = CODEC_ID_AC3;
+ } else if (!strcmp(buf, "28_8")) {
+ st->codec->codec_id = CODEC_ID_RA_288;
+ st->codec->extradata_size= 0;
+ rm->audio_framesize = st->codec->block_align;
+ st->codec->block_align = coded_framesize;
+
+ if(rm->audio_framesize >= UINT_MAX / sub_packet_h){
+ av_log(s, AV_LOG_ERROR, "rm->audio_framesize * sub_packet_h too large\n");
+ return -1;
+ }
+
+ rm->audiobuf = av_malloc(rm->audio_framesize * sub_packet_h);
+ } else if (!strcmp(buf, "cook")) {
+ int codecdata_length, i;
+ get_be16(pb); get_byte(pb);
+ if (((version >> 16) & 0xff) == 5)
+ get_byte(pb);
+ codecdata_length = get_be32(pb);
+ if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+ av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
+ return -1;
+ }
+
+ st->codec->codec_id = CODEC_ID_COOK;
+ st->codec->extradata_size= codecdata_length;
+ st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ for(i = 0; i < codecdata_length; i++)
+ ((uint8_t*)st->codec->extradata)[i] = get_byte(pb);
+ rm->audio_framesize = st->codec->block_align;
+ st->codec->block_align = rm->sub_packet_size;
+
+ if(rm->audio_framesize >= UINT_MAX / sub_packet_h){
+ av_log(s, AV_LOG_ERROR, "rm->audio_framesize * sub_packet_h too large\n");
+ return -1;
+ }
+
+ rm->audiobuf = av_malloc(rm->audio_framesize * sub_packet_h);
+ } else if (!strcmp(buf, "raac") || !strcmp(buf, "racp")) {
+ int codecdata_length, i;
+ get_be16(pb); get_byte(pb);
+ if (((version >> 16) & 0xff) == 5)
+ get_byte(pb);
+ st->codec->codec_id = CODEC_ID_AAC;
+ codecdata_length = get_be32(pb);
+ if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+ av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
+ return -1;
+ }
+ if (codecdata_length >= 1) {
+ st->codec->extradata_size = codecdata_length - 1;
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ get_byte(pb);
+ for(i = 0; i < st->codec->extradata_size; i++)
+ ((uint8_t*)st->codec->extradata)[i] = get_byte(pb);
+ }
} else {
- st->codec.codec_id = CODEC_ID_NONE;
- pstrcpy(st->codec.codec_name, sizeof(st->codec.codec_name),
+ st->codec->codec_id = CODEC_ID_NONE;
+ pstrcpy(st->codec->codec_name, sizeof(st->codec->codec_name),
buf);
}
if (read_all) {
get_byte(pb);
get_byte(pb);
get_byte(pb);
-
+
get_str8(pb, s->title, sizeof(s->title));
get_str8(pb, s->author, sizeof(s->author));
get_str8(pb, s->copyright, sizeof(s->copyright));
get_str8(pb, s->comment, sizeof(s->comment));
}
}
+ return 0;
}
static int rm_read_header_old(AVFormatContext *s, AVFormatParameters *ap)
rm->old_format = 1;
st = av_new_stream(s, 0);
if (!st)
- goto fail;
- rm_read_audio_stream_info(s, st, 1);
- return 0;
- fail:
- return -1;
+ return -1;
+ return rm_read_audio_stream_info(s, st, 1);
}
static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap)
unsigned int tag, v;
int tag_size, size, codec_data_size, i;
int64_t codec_pos;
- unsigned int h263_hack_version, start_time, duration;
+ unsigned int start_time, duration;
char buf[128];
int flags = 0;
get_be16(pb);
get_be32(pb);
get_be32(pb); /* number of headers */
-
+
for(;;) {
if (url_feof(pb))
goto fail;
tag_size = get_be32(pb);
get_be16(pb);
#if 0
- printf("tag=%c%c%c%c (%08x) size=%d\n",
+ printf("tag=%c%c%c%c (%08x) size=%d\n",
(tag) & 0xff,
(tag >> 8) & 0xff,
(tag >> 16) & 0xff,
tag,
tag_size);
#endif
- if (tag_size < 10)
+ if (tag_size < 10 && tag != MKTAG('D', 'A', 'T', 'A'))
goto fail;
switch(tag) {
case MKTAG('P', 'R', 'O', 'P'):
goto fail;
st->id = get_be16(pb);
get_be32(pb); /* max bit rate */
- st->codec.bit_rate = get_be32(pb); /* bit rate */
+ st->codec->bit_rate = get_be32(pb); /* bit rate */
get_be32(pb); /* max packet size */
get_be32(pb); /* avg packet size */
start_time = get_be32(pb); /* start time */
get_be32(pb); /* preroll */
duration = get_be32(pb); /* duration */
- st->start_time = start_time * (AV_TIME_BASE / 1000);
- st->duration = duration * (AV_TIME_BASE / 1000);
+ st->start_time = start_time;
+ st->duration = duration;
get_str8(pb, buf, sizeof(buf)); /* desc */
get_str8(pb, buf, sizeof(buf)); /* mimetype */
codec_data_size = get_be32(pb);
codec_pos = url_ftell(pb);
+ st->codec->codec_type = CODEC_TYPE_DATA;
+ av_set_pts_info(st, 64, 1, 1000);
v = get_be32(pb);
if (v == MKTAG(0xfd, 'a', 'r', '.')) {
/* ra type header */
- rm_read_audio_stream_info(s, st, 0);
+ if (rm_read_audio_stream_info(s, st, 0))
+ return -1;
} else {
+ int fps, fps2;
if (get_le32(pb) != MKTAG('V', 'I', 'D', 'O')) {
fail1:
- av_log(&st->codec, AV_LOG_ERROR, "Unsupported video codec\n");
- goto fail;
+ av_log(st->codec, AV_LOG_ERROR, "Unsupported video codec\n");
+ goto skip;
}
- st->codec.codec_tag = get_le32(pb);
- if ( st->codec.codec_tag != MKTAG('R', 'V', '1', '0')
- && st->codec.codec_tag != MKTAG('R', 'V', '2', '0'))
+ st->codec->codec_tag = get_le32(pb);
+// av_log(NULL, AV_LOG_DEBUG, "%X %X\n", st->codec->codec_tag, MKTAG('R', 'V', '2', '0'));
+ if ( st->codec->codec_tag != MKTAG('R', 'V', '1', '0')
+ && st->codec->codec_tag != MKTAG('R', 'V', '2', '0')
+ && st->codec->codec_tag != MKTAG('R', 'V', '3', '0')
+ && st->codec->codec_tag != MKTAG('R', 'V', '4', '0'))
goto fail1;
- st->codec.width = get_be16(pb);
- st->codec.height = get_be16(pb);
- st->codec.frame_rate_base= 1;
- st->codec.frame_rate = get_be16(pb) * st->codec.frame_rate_base;
- st->codec.codec_type = CODEC_TYPE_VIDEO;
+ st->codec->width = get_be16(pb);
+ st->codec->height = get_be16(pb);
+ st->codec->time_base.num= 1;
+ fps= get_be16(pb);
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
get_be32(pb);
+ fps2= get_be16(pb);
get_be16(pb);
- get_be32(pb);
- get_be16(pb);
- /* modification of h263 codec version (!) */
- h263_hack_version = get_be32(pb);
- switch(h263_hack_version) {
- case 0x10000000:
- case 0x10003000:
- case 0x10003001:
- default:
- st->codec.sub_id = h263_hack_version;
- st->codec.codec_id = CODEC_ID_RV10;
- break;
-// default:
- /* not handled */
- st->codec.codec_id = CODEC_ID_NONE;
- break;
+
+ st->codec->extradata_size= codec_data_size - (url_ftell(pb) - codec_pos);
+
+ if(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)st->codec->extradata_size){
+ //check is redundant as get_buffer() will catch this
+ av_log(s, AV_LOG_ERROR, "st->codec->extradata_size too large\n");
+ return -1;
+ }
+ st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+
+// av_log(NULL, AV_LOG_DEBUG, "fps= %d fps2= %d\n", fps, fps2);
+ st->codec->time_base.den = fps * st->codec->time_base.num;
+ switch(((uint8_t*)st->codec->extradata)[4]>>4){
+ case 1: st->codec->codec_id = CODEC_ID_RV10; break;
+ case 2: st->codec->codec_id = CODEC_ID_RV20; break;
+ case 3: st->codec->codec_id = CODEC_ID_RV30; break;
+ case 4: st->codec->codec_id = CODEC_ID_RV40; break;
+ default: goto fail1;
}
}
+skip:
/* skip codec info */
size = url_ftell(pb) - codec_pos;
url_fskip(pb, codec_data_size - size);
/* multiple of 20 bytes for ra144 (ugly) */
#define RAW_PACKET_SIZE 1000
-static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
+static int sync(AVFormatContext *s, int64_t *timestamp, int *flags, int *stream_index, int64_t *pos){
RMContext *rm = s->priv_data;
ByteIOContext *pb = &s->pb;
+ int len, num, res, i;
AVStream *st;
- int len, num, timestamp, i, tmp, j;
- uint8_t *ptr;
- int flags;
+ uint32_t state=0xFFFFFFFF;
- if (rm->old_format) {
- /* just read raw bytes */
- len = RAW_PACKET_SIZE;
- av_new_packet(pkt, len);
- pkt->stream_index = 0;
- len = get_buffer(pb, pkt->data, len);
- if (len <= 0) {
- av_free_packet(pkt);
- return AVERROR_IO;
+ while(!url_feof(pb)){
+ *pos= url_ftell(pb);
+ if(rm->remaining_len > 0){
+ num= rm->current_stream;
+ len= rm->remaining_len;
+ *timestamp = AV_NOPTS_VALUE;
+ *flags= 0;
+ }else{
+ state= (state<<8) + get_byte(pb);
+
+ if(state == MKBETAG('I', 'N', 'D', 'X')){
+ len = get_be16(pb) - 6;
+ if(len<0)
+ continue;
+ goto skip;
+ }
+
+ if(state > (unsigned)0xFFFF || state < 12)
+ continue;
+ len=state;
+ state= 0xFFFFFFFF;
+
+ num = get_be16(pb);
+ *timestamp = get_be32(pb);
+ res= get_byte(pb); /* reserved */
+ *flags = get_byte(pb); /* flags */
+
+
+ len -= 12;
}
- pkt->size = len;
- st = s->streams[0];
- } else {
- redo:
- if (rm->nb_packets == 0)
- return AVERROR_IO;
- get_be16(pb);
- len = get_be16(pb);
- if (len < 12)
- return AVERROR_IO;
- num = get_be16(pb);
- timestamp = get_be32(pb);
- get_byte(pb); /* reserved */
- flags = get_byte(pb); /* flags */
- rm->nb_packets--;
- len -= 12;
-
- st = NULL;
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (num == st->id)
break;
}
if (i == s->nb_streams) {
+skip:
/* skip packet if unknown number */
url_fskip(pb, len);
- goto redo;
+ rm->remaining_len -= len;
+ continue;
}
-
- if (st->codec.codec_type == CODEC_TYPE_VIDEO) {
- int full_frame, h, pic_num;
-
- h= get_byte(pb);
- if ((h & 0xc0) == 0xc0) {
- int len2, pos;
- full_frame = 1;
- len2= get_num(pb, &len);
- pos = get_num(pb, &len);
- //printf("pos:%d\n",len);
- len -= 2;
- } else {
- int seq, frame_size, pos;
- full_frame = 0;
- seq = get_byte(pb);
- frame_size = get_num(pb, &len);
+ *stream_index= i;
+
+ return len;
+ }
+ return -1;
+}
+
+static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ RMContext *rm = s->priv_data;
+ ByteIOContext *pb = &s->pb;
+ AVStream *st;
+ int i, len, tmp, j;
+ int64_t timestamp, pos;
+ uint8_t *ptr;
+ int flags;
+
+ if (rm->audio_pkt_cnt) {
+ // If there are queued audio packet return them first
+ st = s->streams[rm->audio_stream_num];
+ if (st->codec->codec_id == CODEC_ID_AAC)
+ av_get_packet(pb, pkt, rm->sub_packet_lengths[rm->sub_packet_cnt - rm->audio_pkt_cnt]);
+ else {
+ av_new_packet(pkt, st->codec->block_align);
+ memcpy(pkt->data, rm->audiobuf + st->codec->block_align *
+ (rm->sub_packet_h * rm->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
+ st->codec->block_align);
+ }
+ rm->audio_pkt_cnt--;
+ pkt->flags = 0;
+ pkt->stream_index = rm->audio_stream_num;
+ } else if (rm->old_format) {
+ st = s->streams[0];
+ if (st->codec->codec_id == CODEC_ID_RA_288) {
+ int x, y;
+
+ for (y = 0; y < rm->sub_packet_h; y++)
+ for (x = 0; x < rm->sub_packet_h/2; x++)
+ if (get_buffer(pb, rm->audiobuf+x*2*rm->audio_framesize+y*rm->coded_framesize, rm->coded_framesize) <= 0)
+ return AVERROR_IO;
+ rm->audio_stream_num = 0;
+ rm->audio_pkt_cnt = rm->sub_packet_h * rm->audio_framesize / st->codec->block_align - 1;
+ // Release first audio packet
+ av_new_packet(pkt, st->codec->block_align);
+ memcpy(pkt->data, rm->audiobuf, st->codec->block_align);
+ pkt->flags |= PKT_FLAG_KEY; // Mark first packet as keyframe
+ pkt->stream_index = 0;
+ } else {
+ /* just read raw bytes */
+ len = RAW_PACKET_SIZE;
+ len= av_get_packet(pb, pkt, len);
+ pkt->stream_index = 0;
+ if (len <= 0) {
+ return AVERROR_IO;
+ }
+ pkt->size = len;
+ }
+ } else {
+ int seq=1;
+resync:
+ len=sync(s, ×tamp, &flags, &i, &pos);
+ if(len<0)
+ return AVERROR_IO;
+ st = s->streams[i];
+
+ if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ int h, pic_num, len2, pos;
+
+ h= get_byte(pb); len--;
+ if(!(h & 0x40)){
+ seq = get_byte(pb); len--;
+ }
+
+ if((h & 0xc0) == 0x40){
+ len2= pos= 0;
+ }else{
+ len2 = get_num(pb, &len);
pos = get_num(pb, &len);
- //printf("seq:%d, size:%d, pos:%d\n",seq,frame_size,pos);
- len -= 3;
}
/* picture number */
- pic_num= get_byte(pb);
-
- //XXX/FIXME/HACK, demuxer should be fixed to send complete frames ...
- if(st->codec.slice_offset==NULL)
- st->codec.slice_offset= (int*)av_malloc(sizeof(int));
- st->codec.slice_count= full_frame;
- st->codec.slice_offset[0]= 0;
+ pic_num= get_byte(pb); len--;
+ rm->remaining_len= len;
+ rm->current_stream= st->id;
+
+// av_log(NULL, AV_LOG_DEBUG, "%X len:%d pos:%d len2:%d pic_num:%d\n",h, len, pos, len2, pic_num);
+ if(len2 && len2<len)
+ len=len2;
+ rm->remaining_len-= len;
+ av_get_packet(pb, pkt, len);
+
+ } else if (st->codec->codec_type == CODEC_TYPE_AUDIO) {
+ if ((st->codec->codec_id == CODEC_ID_RA_288) ||
+ (st->codec->codec_id == CODEC_ID_COOK)) {
+ int x;
+ int sps = rm->sub_packet_size;
+ int cfs = rm->coded_framesize;
+ int h = rm->sub_packet_h;
+ int y = rm->sub_packet_cnt;
+ int w = rm->audio_framesize;
+
+ if (flags & 2)
+ y = rm->sub_packet_cnt = 0;
+ if (!y)
+ rm->audiotimestamp = timestamp;
+
+ switch(st->codec->codec_id) {
+ case CODEC_ID_RA_288:
+ for (x = 0; x < h/2; x++)
+ get_buffer(pb, rm->audiobuf+x*2*w+y*cfs, cfs);
+ break;
+ case CODEC_ID_COOK:
+ for (x = 0; x < w/sps; x++)
+ get_buffer(pb, rm->audiobuf+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), sps);
+ break;
+ }
+
+ if (++(rm->sub_packet_cnt) < h)
+ goto resync;
+ else {
+ rm->sub_packet_cnt = 0;
+ rm->audio_stream_num = i;
+ rm->audio_pkt_cnt = h * w / st->codec->block_align - 1;
+ // Release first audio packet
+ av_new_packet(pkt, st->codec->block_align);
+ memcpy(pkt->data, rm->audiobuf, st->codec->block_align);
+ timestamp = rm->audiotimestamp;
+ flags = 2; // Mark first packet as keyframe
+ }
+ } else if (st->codec->codec_id == CODEC_ID_AAC) {
+ int x;
+ rm->audio_stream_num = i;
+ rm->sub_packet_cnt = (get_be16(pb) & 0xf0) >> 4;
+ if (rm->sub_packet_cnt) {
+ for (x = 0; x < rm->sub_packet_cnt; x++)
+ rm->sub_packet_lengths[x] = get_be16(pb);
+ // Release first audio packet
+ rm->audio_pkt_cnt = rm->sub_packet_cnt - 1;
+ av_get_packet(pb, pkt, rm->sub_packet_lengths[0]);
+ flags = 2; // Mark first packet as keyframe
+ }
+ } else
+ av_get_packet(pb, pkt, len);
+
+ } else
+ av_get_packet(pb, pkt, len);
+
+ if( (st->discard >= AVDISCARD_NONKEY && !(flags&2))
+ || st->discard >= AVDISCARD_ALL){
+ av_free_packet(pkt);
+ goto resync;
}
-
- av_new_packet(pkt, len);
+
pkt->stream_index = i;
- get_buffer(pb, pkt->data, len);
+
+#if 0
+ if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ if(st->codec->codec_id == CODEC_ID_RV20){
+ int seq= 128*(pkt->data[2]&0x7F) + (pkt->data[3]>>1);
+ av_log(NULL, AV_LOG_DEBUG, "%d %"PRId64" %d\n", timestamp, timestamp*512LL/25, seq);
+
+ seq |= (timestamp&~0x3FFF);
+ if(seq - timestamp > 0x2000) seq -= 0x4000;
+ if(seq - timestamp < -0x2000) seq += 0x4000;
+ }
+ }
+#endif
+ pkt->pts= timestamp;
+ if(flags&2){
+ pkt->flags |= PKT_FLAG_KEY;
+ if((seq&0x7F) == 1)
+ av_add_index_entry(st, pos, timestamp, 0, 0, AVINDEX_KEYFRAME);
+ }
}
/* for AC3, needs to swap bytes */
- if (st->codec.codec_id == CODEC_ID_AC3) {
+ if (st->codec->codec_id == CODEC_ID_AC3) {
ptr = pkt->data;
for(j=0;j<len;j+=2) {
tmp = ptr[0];
static int rm_read_close(AVFormatContext *s)
{
+ RMContext *rm = s->priv_data;
+
+ av_free(rm->audiobuf);
return 0;
}
return 0;
}
-static AVInputFormat rm_iformat = {
+static int64_t rm_read_dts(AVFormatContext *s, int stream_index,
+ int64_t *ppos, int64_t pos_limit)
+{
+ RMContext *rm = s->priv_data;
+ int64_t pos, dts;
+ int stream_index2, flags, len, h;
+
+ pos = *ppos;
+
+ if(rm->old_format)
+ return AV_NOPTS_VALUE;
+
+ url_fseek(&s->pb, pos, SEEK_SET);
+ rm->remaining_len=0;
+ for(;;){
+ int seq=1;
+ AVStream *st;
+
+ len=sync(s, &dts, &flags, &stream_index2, &pos);
+ if(len<0)
+ return AV_NOPTS_VALUE;
+
+ st = s->streams[stream_index2];
+ if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ h= get_byte(&s->pb); len--;
+ if(!(h & 0x40)){
+ seq = get_byte(&s->pb); len--;
+ }
+ }
+
+ if((flags&2) && (seq&0x7F) == 1){
+// av_log(s, AV_LOG_DEBUG, "%d %d-%d %"PRId64" %d\n", flags, stream_index2, stream_index, dts, seq);
+ av_add_index_entry(st, pos, dts, 0, 0, AVINDEX_KEYFRAME);
+ if(stream_index2 == stream_index)
+ break;
+ }
+
+ url_fskip(&s->pb, len);
+ }
+ *ppos = pos;
+ return dts;
+}
+
+#ifdef CONFIG_RM_DEMUXER
+AVInputFormat rm_demuxer = {
"rm",
"rm format",
sizeof(RMContext),
rm_read_header,
rm_read_packet,
rm_read_close,
+ NULL,
+ rm_read_dts,
};
-
-#ifdef CONFIG_ENCODERS
-static AVOutputFormat rm_oformat = {
+#endif
+#ifdef CONFIG_RM_MUXER
+AVOutputFormat rm_muxer = {
"rm",
"rm format",
"application/vnd.rn-realmedia",
rm_write_packet,
rm_write_trailer,
};
-#endif //CONFIG_ENCODERS
-
-int rm_init(void)
-{
- av_register_input_format(&rm_iformat);
-#ifdef CONFIG_ENCODERS
- av_register_output_format(&rm_oformat);
-#endif //CONFIG_ENCODERS
- return 0;
-}
+#endif
projects / ffmpeg / blobdiff