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* Don't use private field from ffmpeg to get raw TS packet size, since it does not work in all ffmpeg versions. (Thanks Wolfram Gloger)

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This commit is contained in:
Justin Maggard 2011-07-18 18:00:29 +00:00
parent 88b253968f
commit e3506a60f1
2 changed files with 27 additions and 24 deletions
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46
metadata.c
View File

@ -92,34 +92,41 @@ enum audio_profiles {
/* This function shamelessly copied from libdlna */
#define MPEG_TS_SYNC_CODE 0x47
#define MPEG_TS_PACKET_LENGTH 188 /* prepends 4 bytes to TS packet */
#define MPEG_TS_PACKET_LENGTH 188
#define MPEG_TS_PACKET_LENGTH_DLNA 192 /* prepends 4 bytes to TS packet */
int
dlna_timestamp_is_present(const char * filename)
dlna_timestamp_is_present(const char * filename, int * raw_packet_size)
{
unsigned char buffer[2*MPEG_TS_PACKET_LENGTH_DLNA+1];
unsigned char buffer[3*MPEG_TS_PACKET_LENGTH_DLNA];
int fd, i;
/* read file header */
fd = open(filename, O_RDONLY);
read(fd, buffer, MPEG_TS_PACKET_LENGTH_DLNA*2);
read(fd, buffer, MPEG_TS_PACKET_LENGTH_DLNA*3);
close(fd);
for( i=0; i < MPEG_TS_PACKET_LENGTH_DLNA; i++ )
{
if( buffer[i] == MPEG_TS_SYNC_CODE )
{
if (buffer[i + MPEG_TS_PACKET_LENGTH_DLNA] == MPEG_TS_SYNC_CODE)
if (buffer[i + MPEG_TS_PACKET_LENGTH_DLNA] == MPEG_TS_SYNC_CODE &&
buffer[i + MPEG_TS_PACKET_LENGTH_DLNA*2] == MPEG_TS_SYNC_CODE)
{
*raw_packet_size = MPEG_TS_PACKET_LENGTH_DLNA;
if (buffer[i+MPEG_TS_PACKET_LENGTH] == 0x00 &&
buffer[i+MPEG_TS_PACKET_LENGTH+1] == 0x00 &&
buffer[i+MPEG_TS_PACKET_LENGTH+2] == 0x00 &&
buffer[i+MPEG_TS_PACKET_LENGTH+3] == 0x00)
break;
return 0;
else
return 1;
} else if (buffer[i + MPEG_TS_PACKET_LENGTH] == MPEG_TS_SYNC_CODE &&
buffer[i + MPEG_TS_PACKET_LENGTH*2] == MPEG_TS_SYNC_CODE) {
*raw_packet_size = MPEG_TS_PACKET_LENGTH;
return 0;
}
}
}
*raw_packet_size = 0;
return 0;
}
@ -644,7 +651,6 @@ GetVideoMetadata(const char * path, char * name)
AVCodecContext *ac = NULL, *vc = NULL;
int audio_stream = -1, video_stream = -1;
enum audio_profiles audio_profile = PROFILE_AUDIO_UNKNOWN;
tsinfo_t *ts;
char fourcc[4];
sqlite_int64 album_art = 0;
char nfo[PATH_MAX], *ext;
@ -869,8 +875,10 @@ GetVideoMetadata(const char * path, char * name)
off = sprintf(m.dlna_pn, "MPEG_");
if( strcmp(ctx->iformat->name, "mpegts") == 0 )
{
DPRINTF(E_DEBUG, L_METADATA, "Stream %d of %s is %s MPEG2 TS\n",
video_stream, basename(path), m.resolution);
int raw_packet_size;
int dlna_ts_present = dlna_timestamp_is_present(path, &raw_packet_size);
DPRINTF(E_DEBUG, L_METADATA, "Stream %d of %s is %s MPEG2 TS packet size %d\n",
video_stream, basename(path), m.resolution, raw_packet_size);
off += sprintf(m.dlna_pn+off, "TS_");
if( (vc->width >= 1280) &&
(vc->height >= 720) )
@ -886,18 +894,17 @@ GetVideoMetadata(const char * path, char * name)
else
off += sprintf(m.dlna_pn+off, "NA");
}
ts = ctx->priv_data;
if( ts->packet_size == MPEG_TS_PACKET_LENGTH_DLNA )
if( raw_packet_size == MPEG_TS_PACKET_LENGTH_DLNA )
{
if( dlna_timestamp_is_present(path) )
if (dlna_ts_present)
ts_timestamp = VALID;
else
ts_timestamp = EMPTY;
}
else if( ts->packet_size != MPEG_TS_PACKET_LENGTH )
else if( raw_packet_size != MPEG_TS_PACKET_LENGTH )
{
DPRINTF(E_DEBUG, L_METADATA, "Unsupported DLNA TS packet size [%d] (%s)\n",
ts->packet_size, basename(path));
raw_packet_size, basename(path));
free(m.dlna_pn);
m.dlna_pn = NULL;
}
@ -946,6 +953,8 @@ GetVideoMetadata(const char * path, char * name)
{
AVRational display_aspect_ratio;
int fps, interlaced;
int raw_packet_size;
int dlna_ts_present = dlna_timestamp_is_present(path, &raw_packet_size);
off += sprintf(m.dlna_pn+off, "TS_");
if (vc->sample_aspect_ratio.num) {
@ -1073,19 +1082,18 @@ GetVideoMetadata(const char * path, char * name)
}
if( !m.dlna_pn )
break;
ts = ctx->priv_data;
if( ts->packet_size == MPEG_TS_PACKET_LENGTH_DLNA )
if( raw_packet_size == MPEG_TS_PACKET_LENGTH_DLNA )
{
if( vc->profile == FF_PROFILE_H264_HIGH ||
dlna_timestamp_is_present(path) )
dlna_ts_present )
ts_timestamp = VALID;
else
ts_timestamp = EMPTY;
}
else if( ts->packet_size != MPEG_TS_PACKET_LENGTH )
else if( raw_packet_size != MPEG_TS_PACKET_LENGTH )
{
DPRINTF(E_DEBUG, L_METADATA, "Unsupported DLNA TS packet size [%d] (%s)\n",
ts->packet_size, basename(path));
raw_packet_size, basename(path));
free(m.dlna_pn);
m.dlna_pn = NULL;
}

5
metadata.h
View File

@ -42,11 +42,6 @@ typedef struct metadata_s {
char *dlna_pn;
} metadata_t;
typedef struct tsinfo_s {
int x;
int packet_size;
} tsinfo_t;
typedef enum {
AAC_INVALID = 0,
AAC_MAIN = 1, /* AAC Main */