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ffmpeg.wasm-core
Commit 8af18154 authored by tjcannell@blueyonder.co.uk's avatar tjcannell@blueyonder.co.uk Committed by François Revol
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Sony PSP variation of MP4 patch by <tjcannell AT blueyonder DOT co DOT uk> 

Originally committed as revision 3889 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 2497479f
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Showing with 150 additions and 4 deletions
libavformat/movenc.c
View file @ 8af18154
......@@ -30,6 +30,8 @@
#define MODE_MP4 0
#define MODE_MOV 1
#define MODE_3GP 2
#define MODE_PSP 3 // example working PSP command line:
// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
typedef struct MOVIentry {
unsigned int flags, pos, size;
......@@ -57,7 +59,7 @@ typedef struct MOVIndex {
MOVIentry** cluster;
} MOVTrack;
typedef struct {
typedef struct MOVContext {
int mode;
long time;
int nb_streams;
......@@ -395,6 +397,28 @@ static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
{
int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
int pos = url_ftell(pb);
void *vosDataBackup=track->vosData;
int vosLenBackup=track->vosLen;
// we should be able to have these passed in, via vosData, then we wouldn't need to attack this routine at all
static const char PSPAACData[]={0x13,0x10};
static const char PSPMP4Data[]={0x00,0x00,0x01,0xB0,0x03,0x00,0x00,0x01,0xB5,0x09,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x20,0x00,0x84,0x5D,0x4C,0x28,0x50,0x20,0xF0,0xA3,0x1F };
if (track->mode == MODE_PSP) // fails on psp if this is not here
{
if (track->enc->codec_id == CODEC_ID_AAC)
{
track->vosLen = 2;
track->vosData = PSPAACData;
}
if (track->enc->codec_id == CODEC_ID_MPEG4)
{
track->vosLen = 28;
track->vosData = PSPMP4Data;
}
}
put_be32(pb, 0); // size
put_tag(pb, "esds");
......@@ -423,8 +447,8 @@ static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
put_be16(pb, 0x0dd2); // Buffersize DB
// TODO: find real values for these
put_be32(pb, 0x0002e918); // maxbitrate
put_be32(pb, 0x00017e6b); // avg bitrate
put_be32(pb, track->enc->bit_rate); // maxbitrate
put_be32(pb, track->enc->bit_rate); // avg bitrate
if (track->vosLen)
{
......@@ -433,6 +457,9 @@ static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
put_buffer(pb, track->vosData, track->vosLen);
}
track->vosData = vosDataBackup;
track->vosLen = vosLenBackup;
// SL descriptor
putDescr(pb, 0x06, 1);
put_byte(pb, 0x02);
......@@ -711,13 +738,55 @@ static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
return 0x5c;
}
// This box seems important for the psp playback ... without it the movie seems to hang
static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
{
int64_t maxTrackLenTemp;
put_be32(pb, 0x24); /* size */
put_tag(pb, "edts");
put_be32(pb, 0x1c); /* size */
put_tag(pb, "elst");
put_be32(pb, 0x0);
put_be32(pb, 0x1);
maxTrackLenTemp = ((int64_t)globalTimescale*(int64_t)track->trackDuration)/(int64_t)track->timescale;
put_be32(pb, (long)maxTrackLenTemp); /* duration ... doesn't seem to effect psp */
put_be32(pb, 0x0);
put_be32(pb, 0x00010000);
return 0x24;
}
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
{
put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
put_tag(pb, "uuid");
put_tag(pb, "USMT");
put_be32(pb, 0x21d24fce);
put_be32(pb, 0xbb88695c);
put_be32(pb, 0xfac9c740);
put_be32(pb, 0x1c); // another size here!
put_tag(pb, "MTDT");
put_be32(pb, 0x00010012);
put_be32(pb, 0x0a);
put_be32(pb, 0x55c40000);
put_be32(pb, 0x1);
put_be32(pb, 0x0);
return 0x34;
}
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
{
int pos = url_ftell(pb);
put_be32(pb, 0); /* size */
put_tag(pb, "trak");
mov_write_tkhd_tag(pb, track);
if (track->mode == MODE_PSP)
mov_write_edts_tag(pb, track); // PSP Movies require edts box
mov_write_mdia_tag(pb, track);
if (track->mode == MODE_PSP)
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
return updateSize(pb, pos);
}
......@@ -1139,6 +1208,8 @@ int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
if ( mov->mode == MODE_3GP )
put_tag(pb, "3gp4");
else if ( mov->mode == MODE_PSP )
put_tag(pb, "MSNV");
else
put_tag(pb, "isom");
......@@ -1146,12 +1217,70 @@ int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
if ( mov->mode == MODE_3GP )
put_tag(pb, "3gp4");
else if ( mov->mode == MODE_PSP )
put_tag(pb, "MSNV");
else
put_tag(pb, "mp41");
return 0x14;
}
int mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
{
MOVContext *mov = s->priv_data;
int AudioRate = s->streams[1]->codec.sample_rate;
int FrameRate = ((s->streams[0]->codec.frame_rate) * (0x10000))/ (s->streams[0]->codec.frame_rate_base);
//printf("audiorate = %d\n",AudioRate);
//printf("framerate = %d / %d = 0x%x\n",s->streams[0]->codec.frame_rate,s->streams[0]->codec.frame_rate_base,FrameRate);
put_be32(pb, 0x94 ); /* size */
put_tag(pb, "uuid");
put_tag(pb, "PROF");
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
put_be32(pb, 0xbb88695c );
put_be32(pb, 0xfac9c740 );
put_be32(pb, 0x0 ); /* ? */
put_be32(pb, 0x3 ); /* 3 sections ? */
put_be32(pb, 0x14 ); /* size */
put_tag(pb, "FPRF");
put_be32(pb, 0x0 ); /* ? */
put_be32(pb, 0x0 ); /* ? */
put_be32(pb, 0x0 ); /* ? */
put_be32(pb, 0x2c ); /* size */
put_tag(pb, "APRF"); /* audio */
put_be32(pb, 0x0 );
put_be32(pb, 0x2 );
put_tag(pb, "mp4a");
put_be32(pb, 0x20f );
put_be32(pb, 0x0 );
put_be32(pb, 0x40 );
put_be32(pb, 0x40 );
put_be32(pb, AudioRate ); //24000 ... audio rate?
put_be32(pb, 0x2 );
put_be32(pb, 0x34 ); /* size */
put_tag(pb, "VPRF"); /* video */
put_be32(pb, 0x0 );
put_be32(pb, 0x1 );
put_tag(pb, "mp4v");
put_be32(pb, 0x103 );
put_be32(pb, 0x0 );
put_be32(pb, 0xc0 );
put_be32(pb, 0xc0 );
put_be32(pb, FrameRate); // was 0xefc29
put_be32(pb, FrameRate ); // was 0xefc29
put_be16(pb, s->streams[0]->codec.width);
put_be16(pb, s->streams[0]->codec.height);
put_be32(pb, 0x010001 );
return 0x94;
}
static int mov_write_header(AVFormatContext *s)
{
ByteIOContext *pb = &s->pb;
......@@ -1184,9 +1313,12 @@ static int mov_write_header(AVFormatContext *s)
if (s->oformat != NULL) {
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
if ( mov->mode == MODE_3GP || mov->mode == MODE_MP4 )
if ( mov->mode == MODE_3GP || mov->mode == MODE_MP4 || mov->mode == MODE_PSP )
mov_write_ftyp_tag(pb,s);
if ( mov->mode == MODE_PSP )
mov_write_uuidprof_tag(pb,s);
}
for (i=0; i<MAX_STREAMS; i++) {
......@@ -1360,10 +1492,24 @@ static AVOutputFormat mp4_oformat = {
mov_write_trailer,
};
static AVOutputFormat psp_oformat = {
"psp",
"psp mp4 format",
NULL,
"mp4,psp",
sizeof(MOVContext),
CODEC_ID_AAC,
CODEC_ID_MPEG4,
mov_write_header,
mov_write_packet,
mov_write_trailer,
};
int movenc_init(void)
{
av_register_output_format(&mov_oformat);
av_register_output_format(&_3gp_oformat);
av_register_output_format(&mp4_oformat);
av_register_output_format(&psp_oformat);
return 0;
}
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