X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-core%2Ftags%2Fsynfig_0_61_04%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Favienc.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_04%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Favienc.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=ce31b21e5287e609f76ae54ca52d858ed1d0f07d;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavformat/avienc.c b/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavformat/avienc.c deleted file mode 100644 index ce31b21..0000000 --- a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavformat/avienc.c +++ /dev/null @@ -1,716 +0,0 @@ -/* - * AVI encoder. - * Copyright (c) 2000 Fabrice Bellard. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "avformat.h" -#include "avi.h" - -/* - * TODO: - * - fill all fields if non streamed (nb_frames for example) - */ - -typedef struct AVIIentry { - unsigned int flags, pos, len; -} AVIIentry; - -#define AVI_INDEX_CLUSTER_SIZE 16384 - -typedef struct AVIIndex { - offset_t indx_start; - int entry; - int ents_allocated; - AVIIentry** cluster; -} AVIIndex; - -typedef struct { - offset_t riff_start, movi_list, odml_list; - offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS]; - int audio_strm_length[MAX_STREAMS]; - int riff_id; - - AVIIndex indexes[MAX_STREAMS]; -} AVIContext; - -static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id) -{ - int cl = ent_id / AVI_INDEX_CLUSTER_SIZE; - int id = ent_id % AVI_INDEX_CLUSTER_SIZE; - return &idx->cluster[cl][id]; -} - -offset_t start_tag(ByteIOContext *pb, const char *tag) -{ - put_tag(pb, tag); - put_le32(pb, 0); - return url_ftell(pb); -} - -void end_tag(ByteIOContext *pb, offset_t start) -{ - offset_t pos; - - pos = url_ftell(pb); - url_fseek(pb, start - 4, SEEK_SET); - put_le32(pb, (uint32_t)(pos - start)); - url_fseek(pb, pos, SEEK_SET); -} - -/* Note: when encoding, the first matching tag is used, so order is - important if multiple tags possible for a given codec. */ -const CodecTag codec_bmp_tags[] = { - { CODEC_ID_H263, MKTAG('H', '2', '6', '3') }, - { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') }, - { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */ - - /* added based on MPlayer */ - { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') }, - { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') }, - - { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 }, - { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 }, - { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 }, - { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') }, - { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') }, - { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */ - - /* added based on MPlayer */ - { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') }, - { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') }, - { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') }, - { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') }, - - { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */ - { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') }, - - /* added based on MPlayer */ - { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') }, - { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') }, - { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') }, - { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') }, - { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') }, - { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') }, - { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') }, - - { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') }, - - /* added based on MPlayer */ - { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') }, - - { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') }, - - /* added based on MPlayer */ - { CODEC_ID_MSMPEG4V1, MKTAG('D', 'I', 'V', '4') }, - - { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') }, - - /* added based on MPlayer */ - { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') }, - { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') }, - { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') }, - { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') }, - { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') }, - { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') }, - { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') }, - { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') }, - { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') }, - { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') }, - { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') }, - { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') }, - { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */ - { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') }, - { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') }, - { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') }, - { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') }, - { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') }, - { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') }, - { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, - { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') }, - { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') }, - { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') }, - { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') }, - { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') }, - { 0, 0 }, -}; - -unsigned int codec_get_tag(const CodecTag *tags, int id) -{ - while (tags->id != 0) { - if (tags->id == id) - return tags->tag; - tags++; - } - return 0; -} - -static unsigned int codec_get_asf_tag(const CodecTag *tags, int id) -{ - while (tags->id != 0) { - if (!tags->invalid_asf && tags->id == id) - return tags->tag; - tags++; - } - return 0; -} - -enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag) -{ - while (tags->id != 0) { - if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF) - && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF) - && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF) - && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF)) - return tags->id; - tags++; - } - return CODEC_ID_NONE; -} - -unsigned int codec_get_bmp_tag(int id) -{ - return codec_get_tag(codec_bmp_tags, id); -} - -unsigned int codec_get_wav_tag(int id) -{ - return codec_get_tag(codec_wav_tags, id); -} - -enum CodecID codec_get_bmp_id(unsigned int tag) -{ - return codec_get_id(codec_bmp_tags, tag); -} - -enum CodecID codec_get_wav_id(unsigned int tag) -{ - return codec_get_id(codec_wav_tags, tag); -} - -/* BITMAPINFOHEADER header */ -void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf) -{ - put_le32(pb, 40 + enc->extradata_size); /* size */ - put_le32(pb, enc->width); - put_le32(pb, enc->height); - put_le16(pb, 1); /* planes */ - - put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */ - /* compression type */ - put_le32(pb, for_asf ? codec_get_asf_tag(tags, enc->codec_id) : enc->codec_tag); - put_le32(pb, enc->width * enc->height * 3); - put_le32(pb, 0); - put_le32(pb, 0); - put_le32(pb, 0); - put_le32(pb, 0); - - put_buffer(pb, enc->extradata, enc->extradata_size); - - if (enc->extradata_size & 1) - put_byte(pb, 0); -} - -static void parse_specific_params(AVCodecContext *stream, int *au_byterate, int *au_ssize, int *au_scale) -{ - switch(stream->codec_id) { - case CODEC_ID_PCM_S16LE: - *au_scale = *au_ssize = 2*stream->channels; - *au_byterate = *au_ssize * stream->sample_rate; - break; - case CODEC_ID_PCM_U8: - case CODEC_ID_PCM_ALAW: - case CODEC_ID_PCM_MULAW: - *au_scale = *au_ssize = stream->channels; - *au_byterate = *au_ssize * stream->sample_rate; - break; - case CODEC_ID_MP2: - *au_ssize = 1; - *au_scale = 1; - *au_byterate = stream->bit_rate / 8; - case CODEC_ID_MP3: - *au_ssize = 1; - *au_scale = 1; - *au_byterate = stream->bit_rate / 8; - default: - *au_ssize = 1; - *au_scale = 1; - *au_byterate = stream->bit_rate / 8; - break; - } -} - -static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb, - const char* riff_tag, const char* list_tag) -{ - offset_t loff; - int i; - - avi->riff_id++; - for (i=0; iindexes[i].entry = 0; - - avi->riff_start = start_tag(pb, "RIFF"); - put_tag(pb, riff_tag); - loff = start_tag(pb, "LIST"); - put_tag(pb, list_tag); - return loff; -} - -static unsigned char* avi_stream2fourcc(unsigned char* tag, int index, - enum CodecType type) -{ - tag[0] = '0'; - tag[1] = '0' + index; - if (type == CODEC_TYPE_VIDEO) { - tag[2] = 'd'; - tag[3] = 'c'; - } else { - tag[2] = 'w'; - tag[3] = 'b'; - } - tag[4] = '\0'; - return tag; -} - -static int avi_write_header(AVFormatContext *s) -{ - AVIContext *avi = s->priv_data; - ByteIOContext *pb = &s->pb; - int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale; - AVCodecContext *stream, *video_enc; - offset_t list1, list2, strh, strf; - - /* header list */ - avi->riff_id = 0; - list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl"); - - /* avi header */ - put_tag(pb, "avih"); - put_le32(pb, 14 * 4); - bitrate = 0; - - video_enc = NULL; - for(n=0;nnb_streams;n++) { - stream = &s->streams[n]->codec; - bitrate += stream->bit_rate; - if (stream->codec_type == CODEC_TYPE_VIDEO) - video_enc = stream; - } - - nb_frames = 0; - - if(video_enc){ - put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->frame_rate_base / video_enc->frame_rate)); - } else { - put_le32(pb, 0); - } - put_le32(pb, bitrate / 8); /* XXX: not quite exact */ - put_le32(pb, 0); /* padding */ - put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */ - avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */ - put_le32(pb, nb_frames); /* nb frames, filled later */ - put_le32(pb, 0); /* initial frame */ - put_le32(pb, s->nb_streams); /* nb streams */ - put_le32(pb, 1024 * 1024); /* suggested buffer size */ - if(video_enc){ - put_le32(pb, video_enc->width); - put_le32(pb, video_enc->height); - } else { - put_le32(pb, 0); - put_le32(pb, 0); - } - put_le32(pb, 0); /* reserved */ - put_le32(pb, 0); /* reserved */ - put_le32(pb, 0); /* reserved */ - put_le32(pb, 0); /* reserved */ - - /* stream list */ - for(i=0;istreams[i]->codec; - - /* FourCC should really be set by the codec itself */ - if (! stream->codec_tag) { - stream->codec_tag = codec_get_bmp_tag(stream->codec_id); - } - - /* stream generic header */ - strh = start_tag(pb, "strh"); - switch(stream->codec_type) { - case CODEC_TYPE_VIDEO: - put_tag(pb, "vids"); - put_le32(pb, stream->codec_tag); - put_le32(pb, 0); /* flags */ - put_le16(pb, 0); /* priority */ - put_le16(pb, 0); /* language */ - put_le32(pb, 0); /* initial frame */ - - put_le32(pb, stream->frame_rate_base); /* scale */ - put_le32(pb, stream->frame_rate); /* rate */ - - put_le32(pb, 0); /* start */ - avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */ - put_le32(pb, nb_frames); /* length, XXX: fill later */ - put_le32(pb, 1024 * 1024); /* suggested buffer size */ - put_le32(pb, -1); /* quality */ - put_le32(pb, stream->width * stream->height * 3); /* sample size */ - put_le16(pb, 0); - put_le16(pb, 0); - put_le16(pb, stream->width); - put_le16(pb, stream->height); - break; - case CODEC_TYPE_AUDIO: - put_tag(pb, "auds"); - put_le32(pb, 1); /* tag */ - put_le32(pb, 0); /* flags */ - put_le16(pb, 0); /* priority */ - put_le16(pb, 0); /* language */ - put_le32(pb, 0); /* initial frame */ - parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale); - put_le32(pb, au_scale); /* scale */ - put_le32(pb, au_byterate); /* rate */ - put_le32(pb, 0); /* start */ - avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */ - put_le32(pb, 0); /* length, XXX: filled later */ - put_le32(pb, 12 * 1024); /* suggested buffer size */ - put_le32(pb, -1); /* quality */ - put_le32(pb, au_ssize); /* sample size */ - put_le32(pb, 0); - put_le32(pb, 0); - break; - default: - av_abort(); - } - end_tag(pb, strh); - - strf = start_tag(pb, "strf"); - switch(stream->codec_type) { - case CODEC_TYPE_VIDEO: - put_bmp_header(pb, stream, codec_bmp_tags, 0); - break; - case CODEC_TYPE_AUDIO: - if (put_wav_header(pb, stream) < 0) { - av_free(avi); - return -1; - } - break; - default: - av_abort(); - } - end_tag(pb, strf); - - if (!url_is_streamed(pb)) { - unsigned char tag[5]; - int j; - - /* Starting to lay out AVI OpenDML master index. - * We want to make it JUNK entry for now, since we'd - * like to get away without making AVI an OpenDML one - * for compatibility reasons. - */ - avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0; - avi->indexes[i].indx_start = start_tag(pb, "JUNK"); - put_le16(pb, 4); /* wLongsPerEntry */ - put_byte(pb, 0); /* bIndexSubType (0 == frame index) */ - put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */ - put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */ - put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type)); - /* dwChunkId */ - put_le64(pb, 0); /* dwReserved[3] - put_le32(pb, 0); Must be 0. */ - for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++) - put_le64(pb, 0); - end_tag(pb, avi->indexes[i].indx_start); - } - - end_tag(pb, list2); - } - - if (!url_is_streamed(pb)) { - /* AVI could become an OpenDML one, if it grows beyond 2Gb range */ - avi->odml_list = start_tag(pb, "JUNK"); - put_tag(pb, "odml"); - put_tag(pb, "dmlh"); - put_le32(pb, 248); - for (i = 0; i < 248; i+= 4) - put_le32(pb, 0); - end_tag(pb, avi->odml_list); - } - - end_tag(pb, list1); - - avi->movi_list = start_tag(pb, "LIST"); - put_tag(pb, "movi"); - - put_flush_packet(pb); - - return 0; -} - -static int avi_write_ix(AVFormatContext *s) -{ - ByteIOContext *pb = &s->pb; - AVIContext *avi = s->priv_data; - unsigned char tag[5]; - unsigned char ix_tag[] = "ix00"; - int i, j; - - if (avi->riff_id > AVI_MASTER_INDEX_SIZE) - return -1; - - for (i=0;inb_streams;i++) { - offset_t ix, pos; - - avi_stream2fourcc(&tag[0], i, s->streams[i]->codec.codec_type); - ix_tag[3] = '0' + i; - - /* Writing AVI OpenDML leaf index chunk */ - ix = url_ftell(pb); - put_tag(pb, &ix_tag[0]); /* ix?? */ - put_le32(pb, avi->indexes[i].entry * 8 + 24); - /* chunk size */ - put_le16(pb, 2); /* wLongsPerEntry */ - put_byte(pb, 0); /* bIndexSubType (0 == frame index) */ - put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */ - put_le32(pb, avi->indexes[i].entry); - /* nEntriesInUse */ - put_tag(pb, &tag[0]); /* dwChunkId */ - put_le64(pb, avi->movi_list);/* qwBaseOffset */ - put_le32(pb, 0); /* dwReserved_3 (must be 0) */ - - for (j=0; jindexes[i].entry; j++) { - AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j); - put_le32(pb, ie->pos + 8); - put_le32(pb, ((uint32_t)ie->len & ~0x80000000) | - (ie->flags & 0x10 ? 0 : 0x80000000)); - } - put_flush_packet(pb); - pos = url_ftell(pb); - - /* Updating one entry in the AVI OpenDML master index */ - url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET); - put_tag(pb, "indx"); /* enabling this entry */ - url_fskip(pb, 8); - put_le32(pb, avi->riff_id); /* nEntriesInUse */ - url_fskip(pb, 16*avi->riff_id); - put_le64(pb, ix); /* qwOffset */ - put_le32(pb, pos - ix); /* dwSize */ - put_le32(pb, avi->indexes[i].entry); /* dwDuration */ - - url_fseek(pb, pos, SEEK_SET); - } - return 0; -} - -static int avi_write_idx1(AVFormatContext *s) -{ - ByteIOContext *pb = &s->pb; - AVIContext *avi = s->priv_data; - offset_t file_size, idx_chunk; - int i, n, nb_frames, au_byterate, au_ssize, au_scale; - AVCodecContext *stream; - unsigned char tag[5]; - - if (!url_is_streamed(pb)) { - AVIIentry* ie = 0, *tie; - int entry[MAX_STREAMS]; - int empty, stream_id = -1; - - idx_chunk = start_tag(pb, "idx1"); - memset(&entry[0], 0, sizeof(entry)); - do { - empty = 1; - for (i=0; inb_streams; i++) { - if (avi->indexes[i].entry <= entry[i]) - continue; - - tie = avi_get_ientry(&avi->indexes[i], entry[i]); - if (empty || tie->pos < ie->pos) { - ie = tie; - stream_id = i; - } - empty = 0; - } - if (!empty) { - avi_stream2fourcc(&tag[0], stream_id, - s->streams[stream_id]->codec.codec_type); - put_tag(pb, &tag[0]); - put_le32(pb, ie->flags); - put_le32(pb, ie->pos); - put_le32(pb, ie->len); - entry[stream_id]++; - } - } while (!empty); - end_tag(pb, idx_chunk); - - /* Fill in frame/sample counters */ - file_size = url_ftell(pb); - nb_frames = 0; - for(n=0;nnb_streams;n++) { - if (avi->frames_hdr_strm[n] != 0) { - stream = &s->streams[n]->codec; - url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET); - if (stream->codec_type == CODEC_TYPE_VIDEO) { - put_le32(pb, stream->frame_number); - if (nb_frames < stream->frame_number) - nb_frames = stream->frame_number; - } else { - if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) { - put_le32(pb, stream->frame_number); - nb_frames += stream->frame_number; - } else { - parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale); - put_le32(pb, avi->audio_strm_length[n] / au_ssize); - } - } - } - } - if (avi->frames_hdr_all != 0) { - url_fseek(pb, avi->frames_hdr_all, SEEK_SET); - put_le32(pb, nb_frames); - } - url_fseek(pb, file_size, SEEK_SET); - } - return 0; -} - -static int avi_write_packet(AVFormatContext *s, int stream_index, - const uint8_t *buf, int size, int64_t pts) -{ - AVIContext *avi = s->priv_data; - ByteIOContext *pb = &s->pb; - unsigned char tag[5]; - unsigned int flags; - AVCodecContext *enc; - - if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) { - avi_write_ix(s); - end_tag(pb, avi->movi_list); - - if (avi->riff_id == 1) - avi_write_idx1(s); - - end_tag(pb, avi->riff_start); - avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi"); - } - - enc = &s->streams[stream_index]->codec; - avi_stream2fourcc(&tag[0], stream_index, enc->codec_type); - if (enc->codec_type == CODEC_TYPE_AUDIO) { - avi->audio_strm_length[stream_index] += size; - flags = 0x10; - } else - flags = enc->coded_frame->key_frame ? 0x10 : 0x00; - - if (!url_is_streamed(&s->pb)) { - AVIIndex* idx = &avi->indexes[stream_index]; - int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE; - int id = idx->entry % AVI_INDEX_CLUSTER_SIZE; - if (idx->ents_allocated <= idx->entry) { - idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*)); - if (!idx->cluster) - return -1; - idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry)); - if (!idx->cluster[cl]) - return -1; - idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE; - } - - idx->cluster[cl][id].flags = flags; - idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list; - idx->cluster[cl][id].len = size; - idx->entry++; - } - - put_buffer(pb, tag, 4); - put_le32(pb, size); - put_buffer(pb, buf, size); - if (size & 1) - put_byte(pb, 0); - - put_flush_packet(pb); - return 0; -} - -static int avi_write_trailer(AVFormatContext *s) -{ - AVIContext *avi = s->priv_data; - ByteIOContext *pb = &s->pb; - int res = 0; - int i, j, n, nb_frames; - offset_t file_size; - - if (avi->riff_id == 1) { - end_tag(pb, avi->movi_list); - res = avi_write_idx1(s); - end_tag(pb, avi->riff_start); - } else { - avi_write_ix(s); - end_tag(pb, avi->movi_list); - end_tag(pb, avi->riff_start); - - file_size = url_ftell(pb); - url_fseek(pb, avi->odml_list - 8, SEEK_SET); - put_tag(pb, "LIST"); /* Making this AVI OpenDML one */ - url_fskip(pb, 16); - - for (n=nb_frames=0;nnb_streams;n++) { - AVCodecContext *stream = &s->streams[n]->codec; - if (stream->codec_type == CODEC_TYPE_VIDEO) { - if (nb_frames < stream->frame_number) - nb_frames = stream->frame_number; - } else { - if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) { - nb_frames += stream->frame_number; - } - } - } - put_le32(pb, nb_frames); - url_fseek(pb, file_size, SEEK_SET); - } - put_flush_packet(pb); - - for (i=0; iindexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++) - av_free(avi->indexes[i].cluster[j]); - av_free(avi->indexes[i].cluster); - avi->indexes[i].cluster = NULL; - avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0; - } - - return res; -} - -static AVOutputFormat avi_oformat = { - "avi", - "avi format", - "video/x-msvideo", - "avi", - sizeof(AVIContext), - CODEC_ID_MP2, - CODEC_ID_MPEG4, - avi_write_header, - avi_write_packet, - avi_write_trailer, -}; - -int avienc_init(void) -{ - av_register_output_format(&avi_oformat); - return 0; -}