/* Electronic Arts Multimedia File Demuxer
* Copyright (c) 2004 The ffmpeg Project
+ * Copyright (c) 2006-2008 Peter Ross
*
* This file is part of FFmpeg.
*
*/
/**
- * @file electronicarts.c
+ * @file libavformat/electronicarts.c
* Electronic Arts Multimedia file demuxer (WVE/UV2/etc.)
* by Robin Kay (komadori at gekkou.co.uk)
*/
+#include "libavutil/intreadwrite.h"
#include "avformat.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 EACS_TAG MKTAG('E', 'A', 'C', 'S')
#define ISNd_TAG MKTAG('1', 'S', 'N', 'd') /* 1SNx data */
#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 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 */
typedef struct EaDemuxContext {
int big_endian;
enum CodecID video_codec;
AVRational time_base;
+ int width, height;
int video_stream_index;
enum CodecID audio_codec;
}
switch (revision2) {
case 8: ea->audio_codec = CODEC_ID_PCM_S16LE_PLANAR; break;
+ case 10: ea->audio_codec = CODEC_ID_ADPCM_EA_R2; break;
+ case 16: ea->audio_codec = CODEC_ID_MP3; break;
+ case -1: break;
default:
av_log(s, AV_LOG_ERROR, "unsupported stream type; revision2=%i\n", revision2);
return 0;
return 1;
}
+static int process_video_header_mdec(AVFormatContext *s)
+{
+ EaDemuxContext *ea = s->priv_data;
+ ByteIOContext *pb = s->pb;
+ url_fskip(pb, 4);
+ ea->width = get_le16(pb);
+ ea->height = get_le16(pb);
+ ea->time_base = (AVRational){1,15};
+ ea->video_codec = CODEC_ID_MDEC;
+ return 1;
+}
+
static int process_video_header_vp6(AVFormatContext *s)
{
EaDemuxContext *ea = s->priv_data;
break;
case SCHl_TAG :
+ case SHEN_TAG :
blockid = get_le32(pb);
if (blockid == GSTR_TAG) {
url_fskip(pb, 4);
- } else if (blockid != PT00_TAG) {
+ } else if ((blockid & 0xFFFF)!=PT00_TAG) {
av_log (s, AV_LOG_ERROR, "unknown SCHl headerid\n");
return 0;
}
err = process_audio_header_sead(s);
break;
+ case MVIh_TAG :
+ ea->video_codec = CODEC_ID_CMV;
+ ea->time_base = (AVRational){0,0};
+ break;
+
+ case kVGT_TAG:
+ ea->video_codec = CODEC_ID_TGV;
+ ea->time_base = (AVRational){0,0};
+ break;
+
+ case mTCD_TAG :
+ err = process_video_header_mdec(s);
+ break;
+
+ case MPCh_TAG:
+ ea->video_codec = CODEC_ID_MPEG2VIDEO;
+ break;
+
+ case pQGT_TAG:
+ case TGQs_TAG:
+ ea->video_codec = CODEC_ID_TGQ;
+ break;
+
+ case pIQT_TAG:
+ ea->video_codec = CODEC_ID_TQI;
+ break;
+
case MVhd_TAG :
err = process_video_header_vp6(s);
break;
case ISNh_TAG:
case SCHl_TAG:
case SEAD_TAG:
+ case SHEN_TAG:
case kVGT_TAG:
case MADk_TAG:
case MPCh_TAG:
st->codec->codec_id = ea->video_codec;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->time_base = ea->time_base;
+ st->codec->width = ea->width;
+ st->codec->height = ea->height;
}
if (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_sample = ea->bytes * 8;
+ st->codec->bits_per_coded_sample = ea->bytes * 8;
st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
- st->codec->bits_per_sample / 4;
- st->codec->block_align = st->codec->channels*st->codec->bits_per_sample;
+ 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;
ea->audio_frame_counter = 0;
}
int packet_read = 0;
unsigned int chunk_type, chunk_size;
int key = 0;
+ int av_uninit(num_samples);
while (!packet_read) {
chunk_type = get_le32(pb);
case ISNd_TAG:
case SCDl_TAG:
case SNDC_TAG:
+ case SDEN_TAG:
if (!ea->audio_codec) {
url_fskip(pb, chunk_size);
break;
- } else if (ea->audio_codec == CODEC_ID_PCM_S16LE_PLANAR) {
- url_fskip(pb, 12); /* planar header */
+ } else if (ea->audio_codec == CODEC_ID_PCM_S16LE_PLANAR ||
+ ea->audio_codec == CODEC_ID_MP3) {
+ num_samples = get_le32(pb);
+ url_fskip(pb, 8);
chunk_size -= 12;
}
ret = av_get_packet(pb, pkt, chunk_size);
ea->audio_frame_counter += ((chunk_size - 12) * 2) /
ea->num_channels;
break;
+ case CODEC_ID_PCM_S16LE_PLANAR:
+ case CODEC_ID_MP3:
+ ea->audio_frame_counter += num_samples;
+ break;
default:
ea->audio_frame_counter += chunk_size /
(ea->bytes * ea->num_channels);
case ISNe_TAG:
case SCEl_TAG:
case SEND_TAG:
+ case SEEN_TAG:
ret = AVERROR(EIO);
packet_read = 1;
break;
+ case MVIh_TAG:
+ case kVGT_TAG:
+ case pQGT_TAG:
+ case TGQs_TAG:
+ key = PKT_FLAG_KEY;
+ case MVIf_TAG:
+ case fVGT_TAG:
+ url_fseek(pb, -8, SEEK_CUR); // include chunk preamble
+ chunk_size += 8;
+ goto get_video_packet;
+
+ case mTCD_TAG:
+ url_fseek(pb, 8, SEEK_CUR); // skip ea dct header
+ chunk_size -= 8;
+ goto get_video_packet;
+
case MV0K_TAG:
+ case MPCh_TAG:
+ case pIQT_TAG:
key = PKT_FLAG_KEY;
case MV0F_TAG:
+get_video_packet:
ret = av_get_packet(pb, pkt, chunk_size);
if (ret != chunk_size)
ret = AVERROR_IO;
AVInputFormat ea_demuxer = {
"ea",
- "Electronic Arts Multimedia Format",
+ NULL_IF_CONFIG_SMALL("Electronic Arts Multimedia Format"),
sizeof(EaDemuxContext),
ea_probe,
ea_read_header,
projects / ffmpeg / blobdiff