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electronicarts: K&R formatting cosmetics

tags/n2.1
Diego Biurrun 12 years ago
parent
e8c0defe13
commit
8747fce91f
1 changed files with 211 additions and 154 deletions
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  1. +211
    -154
      libavformat/electronicarts.c

+ 211
- 154
libavformat/electronicarts.c View File

@@ -30,35 +30,35 @@
#include "internal.h"

#define SCHl_TAG MKTAG('S', 'C', 'H', 'l')
#define SEAD_TAG MKTAG('S', 'E', 'A', 'D') /* Sxxx header */
#define SNDC_TAG MKTAG('S', 'N', 'D', 'C') /* Sxxx data */
#define SEND_TAG MKTAG('S', 'E', 'N', 'D') /* Sxxx end */
#define SHEN_TAG MKTAG('S', 'H', 'E', 'N') /* SxEN header */
#define SDEN_TAG MKTAG('S', 'D', 'E', 'N') /* SxEN data */
#define SEEN_TAG MKTAG('S', 'E', 'E', 'N') /* SxEN end */
#define ISNh_TAG MKTAG('1', 'S', 'N', 'h') /* 1SNx header */
#define SEAD_TAG MKTAG('S', 'E', 'A', 'D') /* Sxxx header */
#define SNDC_TAG MKTAG('S', 'N', 'D', 'C') /* Sxxx data */
#define SEND_TAG MKTAG('S', 'E', 'N', 'D') /* Sxxx end */
#define SHEN_TAG MKTAG('S', 'H', 'E', 'N') /* SxEN header */
#define SDEN_TAG MKTAG('S', 'D', 'E', 'N') /* SxEN data */
#define SEEN_TAG MKTAG('S', 'E', 'E', 'N') /* SxEN end */
#define ISNh_TAG MKTAG('1', 'S', 'N', 'h') /* 1SNx header */
#define EACS_TAG MKTAG('E', 'A', 'C', 'S')
#define ISNd_TAG MKTAG('1', 'S', 'N', 'd') /* 1SNx data */
#define ISNe_TAG MKTAG('1', 'S', 'N', 'e') /* 1SNx end */
#define ISNd_TAG MKTAG('1', 'S', 'N', 'd') /* 1SNx data */
#define ISNe_TAG MKTAG('1', 'S', 'N', 'e') /* 1SNx end */
#define PT00_TAG MKTAG('P', 'T', 0x0, 0x0)
#define GSTR_TAG MKTAG('G', 'S', 'T', 'R')
#define SCDl_TAG MKTAG('S', 'C', 'D', 'l')
#define SCEl_TAG MKTAG('S', 'C', 'E', 'l')
#define kVGT_TAG MKTAG('k', 'V', 'G', 'T') /* TGV i-frame */
#define fVGT_TAG MKTAG('f', 'V', 'G', 'T') /* TGV p-frame */
#define mTCD_TAG MKTAG('m', 'T', 'C', 'D') /* MDEC */
#define MADk_TAG MKTAG('M', 'A', 'D', 'k') /* MAD i-frame */
#define MADm_TAG MKTAG('M', 'A', 'D', 'm') /* MAD p-frame */
#define MADe_TAG MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */
#define MPCh_TAG MKTAG('M', 'P', 'C', 'h') /* MPEG2 */
#define TGQs_TAG MKTAG('T', 'G', 'Q', 's') /* TGQ i-frame (appears in .TGQ files) */
#define pQGT_TAG MKTAG('p', 'Q', 'G', 'T') /* TGQ i-frame (appears in .UV files) */
#define pIQT_TAG MKTAG('p', 'I', 'Q', 'T') /* TQI/UV2 i-frame (.UV2/.WVE) */
#define kVGT_TAG MKTAG('k', 'V', 'G', 'T') /* TGV i-frame */
#define fVGT_TAG MKTAG('f', 'V', 'G', 'T') /* TGV p-frame */
#define mTCD_TAG MKTAG('m', 'T', 'C', 'D') /* MDEC */
#define MADk_TAG MKTAG('M', 'A', 'D', 'k') /* MAD i-frame */
#define MADm_TAG MKTAG('M', 'A', 'D', 'm') /* MAD p-frame */
#define MADe_TAG MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */
#define MPCh_TAG MKTAG('M', 'P', 'C', 'h') /* MPEG2 */
#define TGQs_TAG MKTAG('T', 'G', 'Q', 's') /* TGQ i-frame (appears in .TGQ files) */
#define pQGT_TAG MKTAG('p', 'Q', 'G', 'T') /* TGQ i-frame (appears in .UV files) */
#define pIQT_TAG MKTAG('p', 'I', 'Q', 'T') /* TQI/UV2 i-frame (.UV2/.WVE) */
#define MVhd_TAG MKTAG('M', 'V', 'h', 'd')
#define MV0K_TAG MKTAG('M', 'V', '0', 'K')
#define MV0F_TAG MKTAG('M', 'V', '0', 'F')
#define MVIh_TAG MKTAG('M', 'V', 'I', 'h') /* CMV header */
#define MVIf_TAG MKTAG('M', 'V', 'I', 'f') /* CMV i-frame */
#define MVIh_TAG MKTAG('M', 'V', 'I', 'h') /* CMV header */
#define MVIf_TAG MKTAG('M', 'V', 'I', 'f') /* CMV i-frame */

typedef struct EaDemuxContext {
int big_endian;
@@ -77,7 +77,8 @@ typedef struct EaDemuxContext {
int num_samples;
} EaDemuxContext;

static uint32_t read_arbitary(AVIOContext *pb) {
static uint32_t read_arbitary(AVIOContext *pb)
{
uint8_t size, byte;
int i;
uint32_t word;
@@ -86,9 +87,9 @@ static uint32_t read_arbitary(AVIOContext *pb) {

word = 0;
for (i = 0; i < size; i++) {
byte = avio_r8(pb);
byte = avio_r8(pb);
word <<= 8;
word |= byte;
word |= byte;
}

return word;
@@ -100,13 +101,13 @@ static uint32_t read_arbitary(AVIOContext *pb) {
*/
static int process_audio_header_elements(AVFormatContext *s)
{
int inHeader = 1;
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;
int inHeader = 1;
int compression_type = -1, revision = -1, revision2 = -1;

ea->bytes = 2;
ea->sample_rate = -1;
ea->bytes = 2;
ea->sample_rate = -1;
ea->num_channels = 1;

while (!pb->eof_reached && inHeader) {
@@ -116,7 +117,7 @@ static int process_audio_header_elements(AVFormatContext *s)

switch (byte) {
case 0xFD:
av_log (s, AV_LOG_DEBUG, "entered audio subheader\n");
av_log(s, AV_LOG_DEBUG, "entered audio subheader\n");
inSubheader = 1;
while (!pb->eof_reached && inSubheader) {
uint8_t subbyte;
@@ -125,85 +126,125 @@ static int process_audio_header_elements(AVFormatContext *s)
switch (subbyte) {
case 0x80:
revision = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "revision (element 0x80) set to 0x%08x\n", revision);
av_log(s, AV_LOG_DEBUG,
"revision (element 0x80) set to 0x%08x\n", revision);
break;
case 0x82:
ea->num_channels = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "num_channels (element 0x82) set to 0x%08x\n", ea->num_channels);
av_log(s, AV_LOG_DEBUG,
"num_channels (element 0x82) set to 0x%08x\n",
ea->num_channels);
break;
case 0x83:
compression_type = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "compression_type (element 0x83) set to 0x%08x\n", compression_type);
av_log(s, AV_LOG_DEBUG,
"compression_type (element 0x83) set to 0x%08x\n",
compression_type);
break;
case 0x84:
ea->sample_rate = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "sample_rate (element 0x84) set to %i\n", ea->sample_rate);
av_log(s, AV_LOG_DEBUG,
"sample_rate (element 0x84) set to %i\n",
ea->sample_rate);
break;
case 0x85:
ea->num_samples = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "num_samples (element 0x85) set to 0x%08x\n", ea->num_samples);
av_log(s, AV_LOG_DEBUG,
"num_samples (element 0x85) set to 0x%08x\n",
ea->num_samples);
break;
case 0x8A:
av_log (s, AV_LOG_DEBUG, "element 0x%02x set to 0x%08x\n", subbyte, read_arbitary(pb));
av_log (s, AV_LOG_DEBUG, "exited audio subheader\n");
av_log(s, AV_LOG_DEBUG,
"element 0x%02x set to 0x%08x\n",
subbyte, read_arbitary(pb));
av_log(s, AV_LOG_DEBUG, "exited audio subheader\n");
inSubheader = 0;
break;
case 0xA0:
revision2 = read_arbitary(pb);
av_log (s, AV_LOG_DEBUG, "revision2 (element 0xA0) set to 0x%08x\n", revision2);
av_log(s, AV_LOG_DEBUG,
"revision2 (element 0xA0) set to 0x%08x\n",
revision2);
break;
case 0xFF:
av_log (s, AV_LOG_DEBUG, "end of header block reached (within audio subheader)\n");
av_log(s, AV_LOG_DEBUG,
"end of header block reached (within audio subheader)\n");
inSubheader = 0;
inHeader = 0;
inHeader = 0;
break;
default:
av_log (s, AV_LOG_DEBUG, "element 0x%02x set to 0x%08x\n", subbyte, read_arbitary(pb));
av_log(s, AV_LOG_DEBUG,
"element 0x%02x set to 0x%08x\n",
subbyte, read_arbitary(pb));
break;
}
}
break;
case 0xFF:
av_log (s, AV_LOG_DEBUG, "end of header block reached\n");
av_log(s, AV_LOG_DEBUG, "end of header block reached\n");
inHeader = 0;
break;
default:
av_log (s, AV_LOG_DEBUG, "header element 0x%02x set to 0x%08x\n", byte, read_arbitary(pb));
av_log(s, AV_LOG_DEBUG,
"header element 0x%02x set to 0x%08x\n",
byte, read_arbitary(pb));
break;
}
}

switch (compression_type) {
case 0: ea->audio_codec = AV_CODEC_ID_PCM_S16LE; break;
case 7: ea->audio_codec = AV_CODEC_ID_ADPCM_EA; break;
case 0:
ea->audio_codec = AV_CODEC_ID_PCM_S16LE;
break;
case 7:
ea->audio_codec = AV_CODEC_ID_ADPCM_EA;
break;
case -1:
switch (revision) {
case 1: ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R1; break;
case 2: ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R2; break;
case 3: ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R3; break;
case -1: break;
case 1:
ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R1;
break;
case 2:
ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R2;
break;
case 3:
ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R3;
break;
case -1:
break;
default:
av_log(s, AV_LOG_ERROR, "unsupported stream type; revision=%i\n", revision);
av_log(s, AV_LOG_ERROR,
"unsupported stream type; revision=%i\n", revision);
return 0;
}
switch (revision2) {
case 8: ea->audio_codec = AV_CODEC_ID_PCM_S16LE_PLANAR; break;
case 10: ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R2; break;
case 16: ea->audio_codec = AV_CODEC_ID_MP3; break;
case -1: break;
case 8:
ea->audio_codec = AV_CODEC_ID_PCM_S16LE_PLANAR;
break;
case 10:
ea->audio_codec = AV_CODEC_ID_ADPCM_EA_R2;
break;
case 16:
ea->audio_codec = AV_CODEC_ID_MP3;
break;
case -1:
break;
default:
ea->audio_codec = AV_CODEC_ID_NONE;
av_log(s, AV_LOG_ERROR, "unsupported stream type; revision2=%i\n", revision2);
av_log(s, AV_LOG_ERROR,
"unsupported stream type; revision2=%i\n", revision2);
return 0;
}
break;
default:
av_log(s, AV_LOG_ERROR, "unsupported stream type; compression_type=%i\n", compression_type);
av_log(s, AV_LOG_ERROR,
"unsupported stream type; compression_type=%i\n",
compression_type);
return 0;
}

if (ea->sample_rate == -1)
ea->sample_rate = revision==3 ? 48000 : 22050;
ea->sample_rate = revision == 3 ? 48000 : 22050;

return 1;
}
@@ -215,7 +256,7 @@ static int process_audio_header_elements(AVFormatContext *s)
static int process_audio_header_eacs(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;
int compression_type;

ea->sample_rate = ea->big_endian ? avio_rb32(pb) : avio_rl32(pb);
@@ -227,14 +268,25 @@ static int process_audio_header_eacs(AVFormatContext *s)
switch (compression_type) {
case 0:
switch (ea->bytes) {
case 1: ea->audio_codec = AV_CODEC_ID_PCM_S8; break;
case 2: ea->audio_codec = AV_CODEC_ID_PCM_S16LE; break;
case 1:
ea->audio_codec = AV_CODEC_ID_PCM_S8;
break;
case 2:
ea->audio_codec = AV_CODEC_ID_PCM_S16LE;
break;
}
break;
case 1: ea->audio_codec = AV_CODEC_ID_PCM_MULAW; ea->bytes = 1; break;
case 2: ea->audio_codec = AV_CODEC_ID_ADPCM_IMA_EA_EACS; break;
case 1:
ea->audio_codec = AV_CODEC_ID_PCM_MULAW;
ea->bytes = 1;
break;
case 2:
ea->audio_codec = AV_CODEC_ID_ADPCM_IMA_EA_EACS;
break;
default:
av_log (s, AV_LOG_ERROR, "unsupported stream type; audio compression_type=%i\n", compression_type);
av_log(s, AV_LOG_ERROR,
"unsupported stream type; audio compression_type=%i\n",
compression_type);
}

return 1;
@@ -247,7 +299,7 @@ static int process_audio_header_eacs(AVFormatContext *s)
static int process_audio_header_sead(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;

ea->sample_rate = avio_rl32(pb);
ea->bytes = avio_rl32(pb); /* 1=8-bit, 2=16-bit */
@@ -260,24 +312,25 @@ static int process_audio_header_sead(AVFormatContext *s)
static int process_video_header_mdec(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;
avio_skip(pb, 4);
ea->width = avio_rl16(pb);
ea->height = avio_rl16(pb);
ea->time_base = (AVRational){1,15};
ea->width = avio_rl16(pb);
ea->height = avio_rl16(pb);
ea->time_base = (AVRational) { 1, 15 };
ea->video_codec = AV_CODEC_ID_MDEC;

return 1;
}

static int process_video_header_vp6(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;

avio_skip(pb, 16);
ea->time_base.den = avio_rl32(pb);
ea->time_base.num = avio_rl32(pb);
ea->video_codec = AV_CODEC_ID_VP6;
ea->video_codec = AV_CODEC_ID_VP6;

return 1;
}
@@ -290,7 +343,7 @@ static int process_video_header_cmv(AVFormatContext *s)
avio_skip(s->pb, 10);
fps = avio_rl16(s->pb);
if (fps)
ea->time_base = (AVRational){1, fps};
ea->time_base = (AVRational) { 1, fps };
ea->video_codec = AV_CODEC_ID_CMV;

return 0;
@@ -300,81 +353,82 @@ static int process_video_header_cmv(AVFormatContext *s)
* Process EA file header
* Returns 1 if the EA file is valid and successfully opened, 0 otherwise
*/
static int process_ea_header(AVFormatContext *s) {
static int process_ea_header(AVFormatContext *s)
{
uint32_t blockid, size = 0;
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
AVIOContext *pb = s->pb;
int i;

for (i=0; i<5 && (!ea->audio_codec || !ea->video_codec); i++) {
for (i = 0; i < 5 && (!ea->audio_codec || !ea->video_codec); i++) {
unsigned int startpos = avio_tell(pb);
int err = 0;
int err = 0;

blockid = avio_rl32(pb);
size = avio_rl32(pb);
size = avio_rl32(pb);
if (i == 0)
ea->big_endian = size > 0x000FFFFF;
if (ea->big_endian)
size = av_bswap32(size);

switch (blockid) {
case ISNh_TAG:
if (avio_rl32(pb) != EACS_TAG) {
av_log (s, AV_LOG_ERROR, "unknown 1SNh headerid\n");
return 0;
}
err = process_audio_header_eacs(s);
break;
case ISNh_TAG:
if (avio_rl32(pb) != EACS_TAG) {
av_log(s, AV_LOG_ERROR, "unknown 1SNh headerid\n");
return 0;
}
err = process_audio_header_eacs(s);
break;

case SCHl_TAG :
case SHEN_TAG :
blockid = avio_rl32(pb);
if (blockid == GSTR_TAG) {
avio_skip(pb, 4);
} else if ((blockid & 0xFFFF)!=PT00_TAG) {
av_log (s, AV_LOG_ERROR, "unknown SCHl headerid\n");
return 0;
}
err = process_audio_header_elements(s);
break;
case SCHl_TAG:
case SHEN_TAG:
blockid = avio_rl32(pb);
if (blockid == GSTR_TAG) {
avio_skip(pb, 4);
} else if ((blockid & 0xFFFF) != PT00_TAG) {
av_log(s, AV_LOG_ERROR, "unknown SCHl headerid\n");
return 0;
}
err = process_audio_header_elements(s);
break;

case SEAD_TAG:
err = process_audio_header_sead(s);
break;
case SEAD_TAG:
err = process_audio_header_sead(s);
break;

case MVIh_TAG :
err = process_video_header_cmv(s);
break;
case MVIh_TAG:
err = process_video_header_cmv(s);
break;

case kVGT_TAG:
ea->video_codec = AV_CODEC_ID_TGV;
ea->time_base = (AVRational){1, 15};
break;
case kVGT_TAG:
ea->video_codec = AV_CODEC_ID_TGV;
ea->time_base = (AVRational) { 1, 15 };
break;

case mTCD_TAG :
err = process_video_header_mdec(s);
break;
case mTCD_TAG:
err = process_video_header_mdec(s);
break;

case MPCh_TAG:
ea->video_codec = AV_CODEC_ID_MPEG2VIDEO;
break;
case MPCh_TAG:
ea->video_codec = AV_CODEC_ID_MPEG2VIDEO;
break;

case pQGT_TAG:
case TGQs_TAG:
ea->video_codec = AV_CODEC_ID_TGQ;
break;
case pQGT_TAG:
case TGQs_TAG:
ea->video_codec = AV_CODEC_ID_TGQ;
break;

case pIQT_TAG:
ea->video_codec = AV_CODEC_ID_TQI;
break;
case pIQT_TAG:
ea->video_codec = AV_CODEC_ID_TQI;
break;

case MADk_TAG :
ea->video_codec = AV_CODEC_ID_MAD;
break;
case MADk_TAG:
ea->video_codec = AV_CODEC_ID_MAD;
break;

case MVhd_TAG :
err = process_video_header_vp6(s);
break;
case MVhd_TAG:
err = process_video_header_vp6(s);
break;
}

if (err < 0) {
@@ -390,7 +444,6 @@ static int process_ea_header(AVFormatContext *s) {
return 1;
}


static int ea_probe(AVProbeData *p)
{
switch (AV_RL32(&p->buf[0])) {
@@ -409,6 +462,7 @@ static int ea_probe(AVProbeData *p)
}
if (AV_RL32(&p->buf[4]) > 0xfffff && AV_RB32(&p->buf[4]) > 0xfffff)
return 0;

return AVPROBE_SCORE_MAX;
}

@@ -426,28 +480,32 @@ static int ea_read_header(AVFormatContext *s)
if (!st)
return AVERROR(ENOMEM);
ea->video_stream_index = st->index;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = ea->video_codec;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = ea->width;
st->codec->height = ea->height;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = ea->video_codec;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = ea->width;
st->codec->height = ea->height;
avpriv_set_pts_info(st, 33, ea->time_base.num, ea->time_base.den);
st->avg_frame_rate = (AVRational){ea->time_base.den, ea->time_base.num};
st->avg_frame_rate = (AVRational) { ea->time_base.den,
ea->time_base.num };
}

if (ea->audio_codec) {
if (ea->num_channels <= 0) {
av_log(s, AV_LOG_WARNING, "Unsupported number of channels: %d\n", ea->num_channels);
av_log(s, AV_LOG_WARNING,
"Unsupported number of channels: %d\n", ea->num_channels);
ea->audio_codec = 0;
return 1;
}
if (ea->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, "Unsupported sample rate: %d\n", ea->sample_rate);
av_log(s, AV_LOG_ERROR,
"Unsupported sample rate: %d\n", ea->sample_rate);
ea->audio_codec = 0;
return 1;
}
if (ea->bytes <= 0) {
av_log(s, AV_LOG_ERROR, "Invalid number of bytes per sample: %d\n", ea->bytes);
av_log(s, AV_LOG_ERROR,
"Invalid number of bytes per sample: %d\n", ea->bytes);
ea->audio_codec = AV_CODEC_ID_NONE;
return 1;
}
@@ -457,31 +515,30 @@ static int ea_read_header(AVFormatContext *s)
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 33, 1, ea->sample_rate);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = ea->audio_codec;
st->codec->codec_tag = 0; /* no tag */
st->codec->channels = ea->num_channels;
st->codec->sample_rate = ea->sample_rate;
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = ea->audio_codec;
st->codec->codec_tag = 0; /* no tag */
st->codec->channels = ea->num_channels;
st->codec->sample_rate = ea->sample_rate;
st->codec->bits_per_coded_sample = ea->bytes * 8;
st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
st->codec->bits_per_coded_sample / 4;
st->codec->block_align = st->codec->channels*st->codec->bits_per_coded_sample;
ea->audio_stream_index = st->index;
st->start_time = 0;
st->codec->bit_rate = st->codec->channels *
st->codec->sample_rate *
st->codec->bits_per_coded_sample / 4;
st->codec->block_align = st->codec->channels *
st->codec->bits_per_coded_sample;
ea->audio_stream_index = st->index;
st->start_time = 0;
}

return 1;
}

static int ea_read_packet(AVFormatContext *s,
AVPacket *pkt)
static int ea_read_packet(AVFormatContext *s, AVPacket *pkt)
{
EaDemuxContext *ea = s->priv_data;
AVIOContext *pb = s->pb;
int ret = 0;
int packet_read = 0;
AVIOContext *pb = s->pb;
unsigned int chunk_type, chunk_size;
int key = 0;
int ret = 0, packet_read = 0, key = 0;
int av_uninit(num_samples);

while (!packet_read) {
@@ -494,7 +551,7 @@ static int ea_read_packet(AVFormatContext *s,
switch (chunk_type) {
/* audio data */
case ISNh_TAG:
/* header chunk also contains data; skip over the header portion*/
/* header chunk also contains data; skip over the header portion */
if (chunk_size < 32)
return AVERROR_INVALIDDATA;
avio_skip(pb, 32);
@@ -547,7 +604,7 @@ static int ea_read_packet(AVFormatContext *s,
case SCEl_TAG:
case SEND_TAG:
case SEEN_TAG:
ret = AVERROR(EIO);
ret = AVERROR(EIO);
packet_read = 1;
break;

@@ -561,12 +618,12 @@ static int ea_read_packet(AVFormatContext *s,
case fVGT_TAG:
case MADm_TAG:
case MADe_TAG:
avio_seek(pb, -8, SEEK_CUR); // include chunk preamble
avio_seek(pb, -8, SEEK_CUR); // include chunk preamble
chunk_size += 8;
goto get_video_packet;

case mTCD_TAG:
avio_skip(pb, 8); // skip ea dct header
avio_skip(pb, 8); // skip ea dct header
chunk_size -= 8;
goto get_video_packet;

@@ -580,8 +637,8 @@ get_video_packet:
if (ret < 0)
return ret;
pkt->stream_index = ea->video_stream_index;
pkt->flags |= key;
packet_read = 1;
pkt->flags |= key;
packet_read = 1;
break;

default:


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