X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Felectronicarts.c;h=9f82e623f2a05af8fd3bd00fa0d8b7a8bf1a4716;hb=d9982edfed1c9285ab0f1104df6c045323433a3b;hp=943f75b42f4f1bed50c5d2b32e8963d6b7f8b60a;hpb=b78e7197a81e193827cf2408fe25bc1f14843a72;p=ffmpeg diff --git a/libavformat/electronicarts.c b/libavformat/electronicarts.c index 943f75b42f4..9f82e623f2a 100644 --- a/libavformat/electronicarts.c +++ b/libavformat/electronicarts.c @@ -1,5 +1,6 @@ /* Electronic Arts Multimedia File Demuxer * Copyright (c) 2004 The ffmpeg Project + * Copyright (c) 2006-2008 Peter Ross * * This file is part of FFmpeg. * @@ -19,41 +20,61 @@ */ /** - * @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 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 pIQT_TAG MKTAG('p', 'I', 'Q', 'T') #define SCEl_TAG MKTAG('S', 'C', 'E', 'l') -#define _TAG MKTAG('', '', '', '') - -#define EA_SAMPLE_RATE 22050 -#define EA_BITS_PER_SAMPLE 16 -#define EA_PREAMBLE_SIZE 8 +#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 */ typedef struct EaDemuxContext { - int width; - int height; + int big_endian; + + enum CodecID video_codec; + AVRational time_base; + int width, height; int video_stream_index; - int track_count; + enum CodecID audio_codec; int audio_stream_index; int audio_frame_counter; - int64_t audio_pts; - int64_t video_pts; - int video_pts_inc; - float fps; - + int bytes; + int sample_rate; int num_channels; int num_samples; - int compression_type; } EaDemuxContext; static uint32_t read_arbitary(ByteIOContext *pb) { @@ -74,144 +95,346 @@ static uint32_t read_arbitary(ByteIOContext *pb) { } /* - * Process WVE file header - * Returns 1 if the WVE file is valid and successfully opened, 0 otherwise + * Process PT/GSTR sound header + * return 1 if success, 0 if invalid format, otherwise AVERROR_xxx */ -static int process_ea_header(AVFormatContext *s) { - int inHeader; - uint32_t blockid, size; - EaDemuxContext *ea = (EaDemuxContext *)s->priv_data; - ByteIOContext *pb = &s->pb; - - if (get_buffer(pb, (void*)&blockid, 4) != 4) { - return 0; - } - if (le2me_32(blockid) != SCHl_TAG) { - return 0; - } - - if (get_buffer(pb, (void*)&size, 4) != 4) { - return 0; - } - size = le2me_32(size); +static int process_audio_header_elements(AVFormatContext *s) +{ + int inHeader = 1; + EaDemuxContext *ea = s->priv_data; + ByteIOContext *pb = s->pb; + int compression_type = -1, revision = -1, revision2 = -1; - if (get_buffer(pb, (void*)&blockid, 4) != 4) { - return 0; - } - if (le2me_32(blockid) != PT00_TAG) { - av_log (s, AV_LOG_ERROR, "PT header missing\n"); - return 0; - } + ea->bytes = 2; + ea->sample_rate = -1; + ea->num_channels = 1; - inHeader = 1; while (inHeader) { int inSubheader; uint8_t byte; - byte = get_byte(pb) & 0xFF; + byte = get_byte(pb); switch (byte) { case 0xFD: - av_log (s, AV_LOG_INFO, "entered audio subheader\n"); + av_log (s, AV_LOG_DEBUG, "entered audio subheader\n"); inSubheader = 1; while (inSubheader) { uint8_t subbyte; - subbyte = get_byte(pb) & 0xFF; + subbyte = get_byte(pb); switch (subbyte) { + case 0x80: + revision = read_arbitary(pb); + 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_INFO, "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: - ea->compression_type = read_arbitary(pb); - av_log (s, AV_LOG_INFO, "compression_type (element 0x83) set to 0x%08x\n", ea->compression_type); + compression_type = read_arbitary(pb); + 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); break; case 0x85: ea->num_samples = read_arbitary(pb); - av_log (s, AV_LOG_INFO, "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_INFO, "element 0x%02x set to 0x%08x\n", subbyte, read_arbitary(pb)); - av_log (s, AV_LOG_INFO, "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); + break; + case 0xFF: + av_log (s, AV_LOG_DEBUG, "end of header block reached (within audio subheader)\n"); inSubheader = 0; + inHeader = 0; break; default: - av_log (s, AV_LOG_INFO, "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_INFO, "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_INFO, "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; } } - if ((ea->num_channels != 2) || (ea->compression_type != 7)) { - av_log (s, AV_LOG_ERROR, "unsupported stream type\n"); + switch (compression_type) { + case 0: ea->audio_codec = CODEC_ID_PCM_S16LE; break; + case 7: ea->audio_codec = CODEC_ID_ADPCM_EA; break; + case -1: + switch (revision) { + case 1: ea->audio_codec = CODEC_ID_ADPCM_EA_R1; break; + case 2: ea->audio_codec = CODEC_ID_ADPCM_EA_R2; break; + case 3: ea->audio_codec = CODEC_ID_ADPCM_EA_R3; break; + case -1: break; + default: + av_log(s, AV_LOG_ERROR, "unsupported stream type; revision=%i\n", revision); + return 0; + } + 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; + } + break; + default: + av_log(s, AV_LOG_ERROR, "unsupported stream type; compression_type=%i\n", compression_type); return 0; } - /* skip to the start of the data */ - url_fseek(pb, size, SEEK_SET); + if (ea->sample_rate == -1) + ea->sample_rate = revision==3 ? 48000 : 22050; return 1; } +/* + * Process EACS sound header + * return 1 if success, 0 if invalid format, otherwise AVERROR_xxx + */ +static int process_audio_header_eacs(AVFormatContext *s) +{ + EaDemuxContext *ea = s->priv_data; + ByteIOContext *pb = s->pb; + int compression_type; -static int ea_probe(AVProbeData *p) + ea->sample_rate = ea->big_endian ? get_be32(pb) : get_le32(pb); + ea->bytes = get_byte(pb); /* 1=8-bit, 2=16-bit */ + ea->num_channels = get_byte(pb); + compression_type = get_byte(pb); + url_fskip(pb, 13); + + switch (compression_type) { + case 0: + switch (ea->bytes) { + case 1: ea->audio_codec = CODEC_ID_PCM_S8; break; + case 2: ea->audio_codec = CODEC_ID_PCM_S16LE; break; + } + break; + case 1: ea->audio_codec = CODEC_ID_PCM_MULAW; ea->bytes = 1; break; + case 2: ea->audio_codec = CODEC_ID_ADPCM_IMA_EA_EACS; break; + default: + av_log (s, AV_LOG_ERROR, "unsupported stream type; audio compression_type=%i\n", compression_type); + } + + return 1; +} + +/* + * Process SEAD sound header + * return 1 if success, 0 if invalid format, otherwise AVERROR_xxx + */ +static int process_audio_header_sead(AVFormatContext *s) { - if (p->buf_size < 4) - return 0; + EaDemuxContext *ea = s->priv_data; + ByteIOContext *pb = s->pb; - if (LE_32(&p->buf[0]) != SCHl_TAG) - return 0; + ea->sample_rate = get_le32(pb); + ea->bytes = get_le32(pb); /* 1=8-bit, 2=16-bit */ + ea->num_channels = get_le32(pb); + ea->audio_codec = CODEC_ID_ADPCM_IMA_EA_SEAD; - return AVPROBE_SCORE_MAX; + 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; + ByteIOContext *pb = s->pb; + + url_fskip(pb, 16); + ea->time_base.den = get_le32(pb); + ea->time_base.num = get_le32(pb); + ea->video_codec = CODEC_ID_VP6; + + return 1; +} + +/* + * Process EA file header + * Returns 1 if the EA file is valid and successfully opened, 0 otherwise + */ +static int process_ea_header(AVFormatContext *s) { + uint32_t blockid, size = 0; + EaDemuxContext *ea = s->priv_data; + ByteIOContext *pb = s->pb; + int i; + + for (i=0; i<5 && (!ea->audio_codec || !ea->video_codec); i++) { + unsigned int startpos = url_ftell(pb); + int err = 0; + + blockid = get_le32(pb); + size = get_le32(pb); + if (i == 0) + ea->big_endian = size > 0x000FFFFF; + if (ea->big_endian) + size = bswap_32(size); + + switch (blockid) { + case ISNh_TAG: + if (get_le32(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 = get_le32(pb); + if (blockid == GSTR_TAG) { + url_fskip(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 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 MADk_TAG : + ea->video_codec = CODEC_ID_MAD; + break; + + case MVhd_TAG : + err = process_video_header_vp6(s); + break; + } + + if (err < 0) { + av_log(s, AV_LOG_ERROR, "error parsing header: %i\n", err); + return err; + } + + url_fseek(pb, startpos + size, SEEK_SET); + } + + url_fseek(pb, 0, SEEK_SET); + + return 1; +} + + +static int ea_probe(AVProbeData *p) +{ + switch (AV_RL32(&p->buf[0])) { + case ISNh_TAG: + case SCHl_TAG: + case SEAD_TAG: + case SHEN_TAG: + case kVGT_TAG: + case MADk_TAG: + case MPCh_TAG: + case MVhd_TAG: + case MVIh_TAG: + return AVPROBE_SCORE_MAX; + } + return 0; } static int ea_read_header(AVFormatContext *s, AVFormatParameters *ap) { - EaDemuxContext *ea = (EaDemuxContext *)s->priv_data; + EaDemuxContext *ea = s->priv_data; AVStream *st; if (!process_ea_header(s)) - return AVERROR_IO; - -#if 0 - /* initialize the video decoder stream */ - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - av_set_pts_info(st, 33, 1, 90000); - ea->video_stream_index = st->index; - st->codec->codec_type = CODEC_TYPE_VIDEO; - st->codec->codec_id = CODEC_ID_EA_MJPEG; - st->codec->codec_tag = 0; /* no fourcc */ -#endif - - /* initialize the audio decoder stream */ - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - av_set_pts_info(st, 33, 1, EA_SAMPLE_RATE); - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_ADPCM_EA; - 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_BITS_PER_SAMPLE; - 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; - - ea->audio_stream_index = st->index; - ea->audio_frame_counter = 0; + return AVERROR(EIO); + + if (ea->video_codec) { + /* initialize the video decoder stream */ + st = av_new_stream(s, 0); + if (!st) + return AVERROR(ENOMEM); + ea->video_stream_index = st->index; + st->codec->codec_type = CODEC_TYPE_VIDEO; + 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) { + /* initialize the audio decoder stream */ + st = av_new_stream(s, 0); + if (!st) + return AVERROR(ENOMEM); + av_set_pts_info(st, 33, 1, ea->sample_rate); + st->codec->codec_type = CODEC_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; + ea->audio_frame_counter = 0; + } return 1; } @@ -220,43 +443,103 @@ static int ea_read_packet(AVFormatContext *s, AVPacket *pkt) { EaDemuxContext *ea = s->priv_data; - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; int ret = 0; int packet_read = 0; - unsigned char preamble[EA_PREAMBLE_SIZE]; unsigned int chunk_type, chunk_size; + int key = 0; + int av_uninit(num_samples); while (!packet_read) { - - if (get_buffer(pb, preamble, EA_PREAMBLE_SIZE) != EA_PREAMBLE_SIZE) - return AVERROR_IO; - chunk_type = LE_32(&preamble[0]); - chunk_size = LE_32(&preamble[4]) - EA_PREAMBLE_SIZE; + chunk_type = get_le32(pb); + chunk_size = (ea->big_endian ? get_be32(pb) : get_le32(pb)) - 8; switch (chunk_type) { /* audio data */ + case ISNh_TAG: + /* header chunk also contains data; skip over the header portion*/ + url_fskip(pb, 32); + chunk_size -= 32; + 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 || + 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); - if (ret != chunk_size) - ret = AVERROR_IO; - else { - pkt->stream_index = ea->audio_stream_index; - pkt->pts = 90000; - pkt->pts *= ea->audio_frame_counter; - pkt->pts /= EA_SAMPLE_RATE; - - /* 2 samples/byte, 1 or 2 samples per frame depending - * on stereo; chunk also has 12-byte header */ - ea->audio_frame_counter += ((chunk_size - 12) * 2) / - ea->num_channels; + if (ret < 0) + return ret; + pkt->stream_index = ea->audio_stream_index; + pkt->pts = 90000; + pkt->pts *= ea->audio_frame_counter; + pkt->pts /= ea->sample_rate; + + switch (ea->audio_codec) { + case CODEC_ID_ADPCM_EA: + /* 2 samples/byte, 1 or 2 samples per frame depending + * on stereo; chunk also has 12-byte header */ + 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); } packet_read = 1; break; /* ending tag */ + case 0: + case ISNe_TAG: case SCEl_TAG: - ret = AVERROR_IO; + 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: + case MADk_TAG: + key = PKT_FLAG_KEY; + case MVIf_TAG: + case fVGT_TAG: + case MADm_TAG: + case MADe_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 < 0) + return ret; + pkt->stream_index = ea->video_stream_index; + pkt->flags |= key; packet_read = 1; break; @@ -264,28 +547,16 @@ static int ea_read_packet(AVFormatContext *s, url_fseek(pb, chunk_size, SEEK_CUR); break; } - - /* ending packet */ - if (chunk_type == SCEl_TAG) { - } } return ret; } -static int ea_read_close(AVFormatContext *s) -{ -// EaDemuxContext *ea = (EaDemuxContext *)s->priv_data; - - return 0; -} - AVInputFormat ea_demuxer = { "ea", - "Electronic Arts Multimedia Format", + NULL_IF_CONFIG_SMALL("Electronic Arts Multimedia Format"), sizeof(EaDemuxContext), ea_probe, ea_read_header, ea_read_packet, - ea_read_close, };