/*
- * MOV decoder.
+ * MOV demuxer
* Copyright (c) 2001 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//#define DEBUG
#include "avformat.h"
-#include "avi.h"
-#include "mov.h"
+#include "riff.h"
+#include "isom.h"
+#include "dv.h"
#ifdef CONFIG_ZLIB
#include <zlib.h>
#undef NDEBUG
#include <assert.h>
-/* Allows seeking */
-#define MOV_SEEK
-
-/* Special handling for movies created with Minolta Dimaxe Xi*/
-/* this fix should not interfere with other .mov files, but just in case*/
-#define MOV_MINOLTA_FIX
-
-/* some streams in QT (and in MP4 mostly) aren't either video nor audio */
-/* so we first list them as this, then clean up the list of streams we give back, */
-/* getting rid of these */
-#define CODEC_TYPE_MOV_OTHER (enum CodecType) 2
-
-/* http://gpac.sourceforge.net/tutorial/mediatypes.htm */
-const CodecTag ff_mov_obj_type[] = {
- { CODEC_ID_MPEG4 , 32 },
- { CODEC_ID_H264 , 33 },
- { CODEC_ID_AAC , 64 },
- { CODEC_ID_MPEG2VIDEO, 96 }, /* MPEG2 Simple */
- { CODEC_ID_MPEG2VIDEO, 97 }, /* MPEG2 Main */
- { CODEC_ID_MPEG2VIDEO, 98 }, /* MPEG2 SNR */
- { CODEC_ID_MPEG2VIDEO, 99 }, /* MPEG2 Spatial */
- { CODEC_ID_MPEG2VIDEO, 100 }, /* MPEG2 High */
- { CODEC_ID_MPEG2VIDEO, 101 }, /* MPEG2 422 */
- { CODEC_ID_AAC , 102 }, /* MPEG2 AAC Main */
- { CODEC_ID_AAC , 103 }, /* MPEG2 AAC Low */
- { CODEC_ID_AAC , 104 }, /* MPEG2 AAC SSR */
- { CODEC_ID_MP3 , 105 },
- { CODEC_ID_MPEG1VIDEO, 106 },
- { CODEC_ID_MP2 , 107 },
- { CODEC_ID_MJPEG , 108 },
- { CODEC_ID_PCM_S16LE , 224 },
- { CODEC_ID_VORBIS , 225 },
- { CODEC_ID_AC3 , 226 },
- { CODEC_ID_PCM_ALAW , 227 },
- { CODEC_ID_PCM_MULAW , 228 },
- { CODEC_ID_PCM_S16BE , 230 },
- { CODEC_ID_H263 , 242 },
- { CODEC_ID_H261 , 243 },
- { 0, 0 },
-};
-
static const CodecTag mov_video_tags[] = {
/* { CODEC_ID_, MKTAG('c', 'v', 'i', 'd') }, *//* Cinepak */
/* { CODEC_ID_H263, MKTAG('r', 'a', 'w', ' ') }, *//* Uncompressed RGB */
{ CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
{ CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
{ CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
- { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
+ { CODEC_ID_MJPEGB, MKTAG('m', 'j', 'p', 'b') }, /* Motion-JPEG (format B) */
{ CODEC_ID_MJPEG, MKTAG('A', 'V', 'D', 'J') }, /* MJPEG with alpha-channel (AVID JFIF meridien compressed) */
/* { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') }, *//* MJPEG with alpha-channel (AVID ABVB/Truevision NuVista) */
-/* { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, *//* embedded gif files as frames (usually one "click to play movie" frame) */
+ { CODEC_ID_GIF, MKTAG('g', 'i', 'f', ' ') }, /* embedded gif files as frames (usually one "click to play movie" frame) */
/* Sorenson video */
{ CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') }, /* Sorenson Video v1 */
{ CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') }, /* Sorenson Video v1 */
{ CODEC_ID_H263, MKTAG('s', '2', '6', '3') }, /* H263 ?? works */
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
-/* { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, *//* AVID dv */
{ CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
{ CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') }, /* Apple Video (RPZA) */
{ CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') }, /* Cinepak */
{ CODEC_ID_8BPS, MKTAG('8', 'B', 'P', 'S') }, /* Planar RGB (8BPS) */
{ CODEC_ID_SMC, MKTAG('s', 'm', 'c', ' ') }, /* Apple Graphics (SMC) */
{ CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') }, /* Apple Animation (RLE) */
+ { CODEC_ID_MSRLE, MKTAG('W', 'R', 'L', 'E') },
{ CODEC_ID_QDRAW, MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
{ CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 produced by Sony HD camera */
- { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX 635/50 50mb/s produced by FCP */
- { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX 635/50 30mb/s produced by FCP */
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
- //{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD produced by FCP */
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 produced by FCP */
{ CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* HDV produced by FCP */
- //{ CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'p') }, /* MPEG2 IMX PAL 625/50 50mb/s produced by FCP */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'n') }, /* MPEG2 IMX NTSC 525/60 30mb/s produced by FCP */
+ { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '3', 'p') }, /* MPEG2 IMX PAL 625/50 30mb/s produced by FCP */
+ { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL produced by FCP */
+ //{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '5') }, /* DVCPRO HD 50i produced by FCP */
+ //{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '6') }, /* DVCPRO HD 60i produced by FCP */
+ { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL produced by FCP */
+ { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */
+ { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */
+ //{ CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */
+ { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */
+ { CODEC_ID_TIFF, MKTAG('t', 'i', 'f', 'f') }, /* TIFF embedded in MOV */
+ { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
+ { CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
+ { CODEC_ID_WMV3, MKTAG('v', 'c', '-', '1') }, /* SMPTE RP 2025 */
+ { CODEC_ID_PNG, MKTAG('p', 'n', 'g', ' ') },
{ CODEC_ID_NONE, 0 },
};
static const CodecTag mov_audio_tags[] = {
{ CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
{ CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
-/* { CODEC_ID_PCM_S16BE, MKTAG('N', 'O', 'N', 'E') }, *//* uncompressed */
+ { CODEC_ID_PCM_S16BE, MKTAG('N', 'O', 'N', 'E') }, /* uncompressed */
{ CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') }, /* 16 bits */
- /* { CODEC_ID_PCM_S8, MKTAG('t', 'w', 'o', 's') },*/ /* 8 bits */
{ CODEC_ID_PCM_U8, MKTAG('r', 'a', 'w', ' ') }, /* 8 bits unsigned */
{ CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') }, /* */
{ CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /* */
{ CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /* */
{ CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
+ { CODEC_ID_ADPCM_MS, MKTAG('m', 's', 0x00, 0x02) }, /* MS ADPCM */
{ CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
{ CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */
- { CODEC_ID_MP2, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
+ { CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') }, /* MPEG layer 3 */ /* sample files at http://www.3ivx.com/showcase.html use this tag */
{ CODEC_ID_MP2, 0x6D730055 }, /* MPEG layer 3 */
{ CODEC_ID_MP2, 0x5500736D }, /* MPEG layer 3 *//* XXX: check endianness */
/* { CODEC_ID_OGG_VORBIS, MKTAG('O', 'g', 'g', 'S') }, *//* sample files at http://heroinewarrior.com/xmovie.php3 use this tag */
{ CODEC_ID_AC3, MKTAG('m', 's', 0x20, 0x00) }, /* Dolby AC-3 */
{ CODEC_ID_ALAC,MKTAG('a', 'l', 'a', 'c') }, /* Apple Lossless */
{ CODEC_ID_QDM2,MKTAG('Q', 'D', 'M', '2') }, /* QDM2 */
+ { CODEC_ID_DVAUDIO, MKTAG('v', 'd', 'v', 'a') },
+ { CODEC_ID_DVAUDIO, MKTAG('d', 'v', 'c', 'a') },
+ { CODEC_ID_PCM_S16LE, MKTAG('l', 'p', 'c', 'm') },
{ CODEC_ID_NONE, 0 },
};
-/* map numeric codes from mdhd atom to ISO 639 */
-/* cf. QTFileFormat.pdf p253, qtff.pdf p205 */
-/* http://developer.apple.com/documentation/mac/Text/Text-368.html */
-/* deprecated by putting the code as 3*5bit ascii */
-static const char *mov_mdhd_language_map[] = {
-/* 0-9 */
-"eng", "fra", "ger", "ita", "dut", "sve", "spa", "dan", "por", "nor",
-"heb", "jpn", "ara", "fin", "gre", "ice", "mlt", "tur", "hr "/*scr*/, "chi"/*ace?*/,
-"urd", "hin", "tha", "kor", "lit", "pol", "hun", "est", "lav", NULL,
-"fo ", NULL, "rus", "chi", NULL, "iri", "alb", "ron", "ces", "slk",
-"slv", "yid", "sr ", "mac", "bul", "ukr", "bel", "uzb", "kaz", "aze",
-/*?*/
-"aze", "arm", "geo", "mol", "kir", "tgk", "tuk", "mon", NULL, "pus",
-"kur", "kas", "snd", "tib", "nep", "san", "mar", "ben", "asm", "guj",
-"pa ", "ori", "mal", "kan", "tam", "tel", NULL, "bur", "khm", "lao",
-/* roman? arabic? */
-"vie", "ind", "tgl", "may", "may", "amh", "tir", "orm", "som", "swa",
-/*==rundi?*/
- NULL, "run", NULL, "mlg", "epo", NULL, NULL, NULL, NULL, NULL,
-/* 100 */
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "wel", "baq",
-"cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
-};
-
/* the QuickTime file format is quite convoluted...
* it has lots of index tables, each indexing something in another one...
* Here we just use what is needed to read the chunks
void* clrs;
} MOV_ctab_t;
+typedef struct MOV_mdat_atom_s {
+ offset_t offset;
+ int64_t size;
+} MOV_mdat_atom_t;
+
typedef struct {
uint8_t version;
uint32_t flags; // 24bit
struct MOVParseTableEntry;
-typedef struct Time2Sample{
- int count;
- int duration;
-}Time2Sample;
-
typedef struct MOVStreamContext {
int ffindex; /* the ffmpeg stream id */
- int is_ff_stream; /* Is this stream presented to ffmpeg ? i.e. is this an audio or video stream ? */
long next_chunk;
long chunk_count;
int64_t *chunk_offsets;
int edit_count; /* number of 'edit' (elst atom) */
long sample_to_chunk_sz;
MOV_sample_to_chunk_tbl *sample_to_chunk;
- long sample_to_chunk_index;
- int sample_to_time_index;
- long sample_to_time_sample;
- uint64_t sample_to_time_time;
int sample_to_ctime_index;
int sample_to_ctime_sample;
long sample_size;
int time_scale;
int time_rate;
long current_sample;
- long left_in_chunk; /* how many samples before next chunk */
MOV_esds_t esds;
+ AVRational sample_size_v1;
+ int dv_audio_container;
} MOVStreamContext;
typedef struct MOVContext {
- int mp4; /* set to 1 as soon as we are sure that the file is an .mp4 file (even some header parsing depends on this) */
AVFormatContext *fc;
int time_scale;
- int duration; /* duration of the longest track */
+ int64_t duration; /* duration of the longest track */
int found_moov; /* when both 'moov' and 'mdat' sections has been found */
int found_mdat; /* we suppose we have enough data to read the file */
int64_t mdat_size;
int64_t mdat_offset;
- int ni; ///< non interleaved mode
int total_streams;
/* some streams listed here aren't presented to the ffmpeg API, since they aren't either video nor audio
* but we need the info to be able to skip data from those streams in the 'mdat' section
*/
MOVStreamContext *streams[MAX_STREAMS];
- int64_t next_chunk_offset;
- MOVStreamContext *partial; /* != 0 : there is still to read in the current chunk */
int ctab_size;
MOV_ctab_t **ctab; /* color tables */
const struct MOVParseTableEntry *parse_table; /* could be eventually used to change the table */
/* NOTE: for recursion save to/ restore from local variable! */
AVPaletteControl palette_control;
+ MOV_mdat_atom_t *mdat_list;
+ int mdat_count;
+ DVDemuxContext *dv_demux;
+ AVFormatContext *dv_fctx;
+ int isom; /* 1 if file is ISO Media (mp4/3gp) */
} MOVContext;
mov_parse_function func;
} MOVParseTableEntry;
-static int ff_mov_lang_to_iso639(int code, char *to)
-{
- int i;
- /* is it the mangled iso code? */
- /* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
- if (code > 138) {
- for (i = 2; i >= 0; i--) {
- to[i] = 0x60 + (code & 0x1f);
- code >>= 5;
- }
- return 1;
- }
- /* old fashion apple lang code */
- if (code >= (sizeof(mov_mdhd_language_map)/sizeof(char *)))
- return 0;
- if (!mov_mdhd_language_map[code])
- return 0;
- strncpy(to, mov_mdhd_language_map[code], 4);
- return 1;
-}
-
-extern int ff_mov_iso639_to_lang(const char *lang, int mp4); /* for movenc.c */
-int ff_mov_iso639_to_lang(const char *lang, int mp4)
-{
- int i, code = 0;
-
- /* old way, only for QT? */
- for (i = 0; !mp4 && (i < (sizeof(mov_mdhd_language_map)/sizeof(char *))); i++) {
- if (mov_mdhd_language_map[i] && !strcmp(lang, mov_mdhd_language_map[i]))
- return i;
- }
- /* XXX:can we do that in mov too? */
- if (!mp4)
- return 0;
- /* handle undefined as such */
- if (lang[0] == '\0')
- lang = "und";
- /* 5bit ascii */
- for (i = 0; i < 3; i++) {
- unsigned char c = (unsigned char)lang[i];
- if (c < 0x60)
- return 0;
- if (c > 0x60 + 0x1f)
- return 0;
- code <<= 5;
- code |= (c - 0x60);
- }
- return code;
-}
-
-static int mov_read_leaf(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
-{
- if (atom.size>1)
- url_fskip(pb, atom.size);
-/* url_seek(pb, atom_offset+atom.size, SEEK_SET); */
- return 0;
-}
-
static int mov_read_default(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
int64_t total_size = 0;
}
total_size += 8;
a.offset += 8;
- dprintf("type: %08x %.4s sz: %Lx %Lx %Lx\n", a.type, (char*)&a.type, a.size, atom.size, total_size);
+ dprintf("type: %08x %.4s sz: %"PRIx64" %"PRIx64" %"PRIx64"\n", a.type, (char*)&a.type, a.size, atom.size, total_size);
if (a.size == 1) { /* 64 bit extended size */
a.size = get_be64(pb) - 8;
a.offset += 8;
if (c->parse_table[i].type == 0) { /* skip leaf atoms data */
url_fskip(pb, a.size);
} else {
+ offset_t start_pos = url_ftell(pb);
+ int64_t left;
err = (c->parse_table[i].func)(c, pb, a);
+ left = a.size - url_ftell(pb) + start_pos;
+ if (left > 0) /* skip garbage at atom end */
+ url_fskip(pb, left);
}
a.offset += a.size;
static int mov_read_hdlr(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
- int len = 0;
uint32_t type;
uint32_t ctype;
dprintf("ctype= %c%c%c%c (0x%08lx)\n", *((char *)&ctype), ((char *)&ctype)[1], ((char *)&ctype)[2], ((char *)&ctype)[3], (long) ctype);
dprintf("stype= %c%c%c%c\n", *((char *)&type), ((char *)&type)[1], ((char *)&type)[2], ((char *)&type)[3]);
- if(ctype == MKTAG('m', 'h', 'l', 'r')) /* MOV */
- c->mp4 = 0;
- else if(ctype == 0)
- c->mp4 = 1;
+ if(!ctype)
+ c->isom = 1;
if(type == MKTAG('v', 'i', 'd', 'e'))
st->codec->codec_type = CODEC_TYPE_VIDEO;
else if(type == MKTAG('s', 'o', 'u', 'n'))
st->codec->codec_type = CODEC_TYPE_AUDIO;
+ else if(type == MKTAG('m', '1', 'a', ' '))
+ st->codec->codec_id = CODEC_ID_MP2;
+ else if(type == MKTAG('s', 'u', 'b', 'p')) {
+ st->codec->codec_type = CODEC_TYPE_SUBTITLE;
+ st->codec->codec_id = CODEC_ID_DVD_SUBTITLE;
+ }
get_be32(pb); /* component manufacture */
get_be32(pb); /* component flags */
get_be32(pb); /* component flags mask */
if(atom.size <= 24)
return 0; /* nothing left to read */
- /* XXX: MP4 uses a C string, not a pascal one */
- /* component name */
-
- if(c->mp4) {
- /* .mp4: C string */
- while(get_byte(pb) && (++len < (atom.size - 24)));
- } else {
- /* .mov: PASCAL string */
- len = get_byte(pb);
- url_fskip(pb, len);
- }
url_fskip(pb, atom.size - (url_ftell(pb) - atom.offset));
return 0;
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
- int64_t start_pos = url_ftell(pb);
int tag, len;
/* Well, broken but suffisant for some MP4 streams */
sc->esds.avg_bitrate = get_be32(pb);
st->codec->codec_id= codec_get_id(ff_mov_obj_type, sc->esds.object_type_id);
+ dprintf("esds object type id %d\n", sc->esds.object_type_id);
len = mov_mp4_read_descr(pb, &tag);
if (tag == MP4DecSpecificDescrTag) {
dprintf("Specific MPEG4 header len=%d\n", len);
- st->codec->extradata = (uint8_t*) av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
+ st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata) {
get_buffer(pb, st->codec->extradata, len);
st->codec->extradata_size = len;
+ /* from mplayer */
+ if ((*st->codec->extradata >> 3) == 29) {
+ st->codec->codec_id = CODEC_ID_MP3ON4;
+ }
}
}
}
- /* in any case, skip garbage */
- url_fskip(pb, atom.size - ((url_ftell(pb) - start_pos)));
return 0;
}
{
if(atom.size == 0) /* wrong one (MP4) */
return 0;
+ c->mdat_list = av_realloc(c->mdat_list, (c->mdat_count + 1) * sizeof(*c->mdat_list));
+ c->mdat_list[c->mdat_count].offset = atom.offset;
+ c->mdat_list[c->mdat_count].size = atom.size;
+ c->mdat_count++;
c->found_mdat=1;
c->mdat_offset = atom.offset;
c->mdat_size = atom.size;
{
uint32_t type = get_le32(pb);
- /* from mplayer */
- switch (type) {
- case MKTAG('i', 's', 'o', 'm'):
- case MKTAG('m', 'p', '4', '1'):
- case MKTAG('m', 'p', '4', '2'):
- case MKTAG('3', 'g', 'p', '1'):
- case MKTAG('3', 'g', 'p', '2'):
- case MKTAG('3', 'g', '2', 'a'):
- case MKTAG('3', 'g', 'p', '3'):
- case MKTAG('3', 'g', 'p', '4'):
- case MKTAG('3', 'g', 'p', '5'):
- case MKTAG('m', 'm', 'p', '4'): /* Mobile MP4 */
- case MKTAG('M', '4', 'A', ' '): /* Apple iTunes AAC-LC Audio */
- case MKTAG('M', '4', 'P', ' '): /* Apple iTunes AAC-LC Protected Audio */
- c->mp4 = 1;
- case MKTAG('q', 't', ' ', ' '):
- av_log(c->fc, AV_LOG_DEBUG, "ISO: File Type Major Brand: %.4s\n",(char *)&type);
- }
+ if (type != MKTAG('q','t',' ',' '))
+ c->isom = 1;
+ av_log(c->fc, AV_LOG_DEBUG, "ISO: File Type Major Brand: %.4s\n",(char *)&type);
get_be32(pb); /* minor version */
url_fskip(pb, atom.size - 8);
return 0;
static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
- int version;
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+ MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
+ int version = get_byte(pb);
int lang;
- version = get_byte(pb); /* version */
if (version > 1)
return 1; /* unsupported */
get_byte(pb); get_byte(pb);
get_byte(pb); /* flags */
- (version==1)?get_be64(pb):get_be32(pb); /* creation time */
- (version==1)?get_be64(pb):get_be32(pb); /* modification time */
+ if (version == 1) {
+ get_be64(pb);
+ get_be64(pb);
+ } else {
+ get_be32(pb); /* creation time */
+ get_be32(pb); /* modification time */
+ }
- c->streams[c->fc->nb_streams-1]->time_scale = get_be32(pb);
- c->fc->streams[c->fc->nb_streams-1]->duration = (version==1)?get_be64(pb):get_be32(pb); /* duration */
+ sc->time_scale = get_be32(pb);
+ st->duration = (version == 1) ? get_be64(pb) : get_be32(pb); /* duration */
lang = get_be16(pb); /* language */
- ff_mov_lang_to_iso639(lang, c->fc->streams[c->fc->nb_streams-1]->language);
+ ff_mov_lang_to_iso639(lang, st->language);
get_be16(pb); /* quality */
return 0;
static int mov_read_mvhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
- get_byte(pb); /* version */
+ int version = get_byte(pb); /* version */
get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
- get_be32(pb); /* creation time */
- get_be32(pb); /* modification time */
+ if (version == 1) {
+ get_be64(pb);
+ get_be64(pb);
+ } else {
+ get_be32(pb); /* creation time */
+ get_be32(pb); /* modification time */
+ }
c->time_scale = get_be32(pb); /* time scale */
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "time scale = %i\n", c->time_scale);
#endif
- c->duration = get_be32(pb); /* duration */
+ c->duration = (version == 1) ? get_be64(pb) : get_be32(pb); /* duration */
get_be32(pb); /* preferred scale */
get_be16(pb); /* preferred volume */
// this should be fixed and just SMI header should be passed
av_free(st->codec->extradata);
st->codec->extradata_size = 0x5a + atom.size;
- st->codec->extradata = (uint8_t*) av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata) {
strcpy(st->codec->extradata, "SVQ3"); // fake
get_buffer(pb, st->codec->extradata + 0x5a, atom.size);
- dprintf("Reading SMI %Ld %s\n", atom.size, (char*)st->codec->extradata + 0x5a);
+ dprintf("Reading SMI %"PRId64" %s\n", atom.size, st->codec->extradata + 0x5a);
} else
url_fskip(pb, atom.size);
return 0;
}
+static int mov_read_enda(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+ int little_endian = get_be16(pb);
+
+ if (little_endian) {
+ switch (st->codec->codec_id) {
+ case CODEC_ID_PCM_S24BE:
+ st->codec->codec_id = CODEC_ID_PCM_S24LE;
+ break;
+ case CODEC_ID_PCM_S32BE:
+ st->codec->codec_id = CODEC_ID_PCM_S32LE;
+ break;
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
+static int mov_read_alac(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+
+ // currently ALAC decoder expect full atom header - so let's fake it
+ // this should be fixed and just ALAC header should be passed
+
+ av_free(st->codec->extradata);
+ st->codec->extradata_size = 36;
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+
+ if (st->codec->extradata) {
+ strcpy(st->codec->extradata + 4, "alac"); // fake
+ get_buffer(pb, st->codec->extradata + 8, 36 - 8);
+ dprintf("Reading alac %d %s\n", st->codec->extradata_size, st->codec->extradata);
+ } else
+ url_fskip(pb, atom.size);
+ return 0;
+}
+
static int mov_read_wave(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
// pass all frma atom to codec, needed at least for QDM2
av_free(st->codec->extradata);
st->codec->extradata_size = atom.size;
- st->codec->extradata = (uint8_t*) av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata) {
get_buffer(pb, st->codec->extradata, atom.size);
url_fskip(pb, atom.size);
} else if (atom.size > 8) { /* to read frma, esds atoms */
mov_read_default(c, pb, atom);
- } else if (atom.size > 0)
+ } else
+ url_fskip(pb, atom.size);
+ return 0;
+}
+
+static int mov_read_jp2h(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
+{
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+
+ if((uint64_t)atom.size > (1<<30))
+ return -1;
+
+ av_free(st->codec->extradata);
+
+ st->codec->extradata_size = atom.size + 8;
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+
+ /* pass all jp2h atom to codec */
+ if (st->codec->extradata) {
+ strcpy(st->codec->extradata + 4, "jp2h");
+ get_buffer(pb, st->codec->extradata + 8, atom.size);
+ } else
url_fskip(pb, atom.size);
return 0;
}
av_free(st->codec->extradata);
st->codec->extradata_size = atom.size;
- st->codec->extradata = (uint8_t*) av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (st->codec->extradata) {
get_buffer(pb, st->codec->extradata, atom.size);
return -1;
sc->chunk_count = entries;
- sc->chunk_offsets = (int64_t*) av_malloc(entries * sizeof(int64_t));
+ sc->chunk_offsets = av_malloc(entries * sizeof(int64_t));
if (!sc->chunk_offsets)
return -1;
if (atom.type == MKTAG('s', 't', 'c', 'o')) {
} else
return -1;
- for(i=0; i<c->fc->nb_streams; i++){
- MOVStreamContext *sc2 = (MOVStreamContext *)c->fc->streams[i]->priv_data;
- if(sc2 && sc2->chunk_offsets){
- int64_t first= sc2->chunk_offsets[0];
- int64_t last= sc2->chunk_offsets[sc2->chunk_count-1];
- if(first >= sc->chunk_offsets[entries-1] || last <= sc->chunk_offsets[0])
- c->ni=1;
- }
- }
return 0;
}
while(entries--) { //Parsing Sample description table
enum CodecID id;
+ MOV_atom_t a = { 0, 0, 0 };
offset_t start_pos = url_ftell(pb);
int size = get_be32(pb); /* size */
format = get_le32(pb); /* data format */
get_be16(pb); /* reserved */
get_be16(pb); /* index */
- /* for MPEG4: set codec type by looking for it */
- id = codec_get_id(mov_video_tags, format);
- if(id <= 0)
- id = codec_get_id(codec_bmp_tags, format);
- if (id >= 0) {
- AVCodec *codec;
- codec = avcodec_find_decoder(id);
- if (codec)
- st->codec->codec_type = codec->type;
+ if (st->codec->codec_tag) {
+ /* multiple fourcc, just skip for now */
+ url_fskip(pb, size - (url_ftell(pb) - start_pos));
+ continue;
}
+
+ st->codec->codec_tag = format;
+ id = codec_get_id(mov_audio_tags, format);
+ if (st->codec->codec_type != CODEC_TYPE_VIDEO && id > 0) {
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ } else if (st->codec->codec_type != CODEC_TYPE_AUDIO && /* do not overwrite codec type */
+ format && format != MKTAG('m', 'p', '4', 's')) { /* skip old asf mpeg4 tag */
+ id = codec_get_id(mov_video_tags, format);
+ if (id <= 0)
+ id = codec_get_id(codec_bmp_tags, format);
+ if (id > 0)
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
+ }
+
dprintf("size=%d 4CC= %c%c%c%c codec_type=%d\n",
size,
(format >> 0) & 0xff, (format >> 8) & 0xff, (format >> 16) & 0xff, (format >> 24) & 0xff,
st->codec->codec_type);
- st->codec->codec_tag = format;
+
if(st->codec->codec_type==CODEC_TYPE_VIDEO) {
- MOV_atom_t a = { 0, 0, 0 };
st->codec->codec_id = id;
get_be16(pb); /* version */
get_be16(pb); /* revision level */
get_be32(pb); /* vendor */
get_be32(pb); /* temporal quality */
get_be32(pb); /* spacial quality */
- if(st->codec->codec_id == CODEC_ID_MPEG4){ //FIXME this is silly
- get_be16(pb);
- get_be16(pb);
- }else{
- st->codec->width = get_be16(pb); /* width */
- st->codec->height = get_be16(pb); /* height */
- }
+
+ st->codec->width = get_be16(pb); /* width */
+ st->codec->height = get_be16(pb); /* height */
+
get_be32(pb); /* horiz resolution */
get_be32(pb); /* vert resolution */
get_be32(pb); /* data size, always 0 */
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "frames/samples = %d\n", frames_per_sample);
#endif
- get_buffer(pb, codec_name, 32); /* codec name, pascal string (FIXME: true for mp4?) */
- if (codec_name[0] <= 31) {
- memcpy(st->codec->codec_name, &codec_name[1],codec_name[0]);
- st->codec->codec_name[codec_name[0]] = 0;
- }
+ get_buffer(pb, codec_name, 32); /* codec name, pascal string (FIXME: true for mp4?) */
+ if (codec_name[0] <= 31) {
+ memcpy(st->codec->codec_name, &codec_name[1],codec_name[0]);
+ st->codec->codec_name[codec_name[0]] = 0;
+ }
st->codec->bits_per_sample = get_be16(pb); /* depth */
st->codec->color_table_id = get_be16(pb); /* colortable id */
-/* These are set in mov_read_stts and might already be set!
- st->codec->time_base.den = 25;
- st->codec->time_base.num = 1;
-*/
-
/* figure out the palette situation */
color_depth = st->codec->bits_per_sample & 0x1F;
color_greyscale = st->codec->bits_per_sample & 0x20;
st->codec->palctrl->palette_changed = 1;
} else
st->codec->palctrl = NULL;
+ } else if(st->codec->codec_type==CODEC_TYPE_AUDIO) {
+ int bits_per_sample;
+ uint16_t version = get_be16(pb);
- a.size = size - (url_ftell(pb) - start_pos);
- if (a.size > 8)
- mov_read_default(c, pb, a);
- else if (a.size > 0)
- url_fskip(pb, a.size);
- } else {
- st->codec->codec_id = codec_get_id(mov_audio_tags, format);
- if(st->codec->codec_id==CODEC_ID_AMR_NB || st->codec->codec_id==CODEC_ID_AMR_WB) //from TS26.244
- {
- dprintf("AMR audio identified %d!!\n", st->codec->codec_id);
- get_be32(pb);get_be32(pb); //Reserved_8
- get_be16(pb);//Reserved_2
- get_be16(pb);//Reserved_2
- get_be32(pb);//Reserved_4
- get_be16(pb);//TimeScale
- get_be16(pb);//Reserved_2
-
- //AMRSpecificBox.(10 bytes)
-
- get_be32(pb); //size
- get_be32(pb); //type=='damr'
- get_be32(pb); //vendor
- get_byte(pb); //decoder version
- get_be16(pb); //mode_set
- get_byte(pb); //mode_change_period
- get_byte(pb); //frames_per_sample
-
- st->duration = AV_NOPTS_VALUE;//Not possible to get from this info, must count number of AMR frames
- if(st->codec->codec_id==CODEC_ID_AMR_NB)
- {
- st->codec->sample_rate=8000;
- st->codec->channels=1;
- }
- else //AMR-WB
- {
- st->codec->sample_rate=16000;
- st->codec->channels=1;
- }
- st->codec->bits_per_sample=16;
- st->codec->bit_rate=0; /*It is not possible to tell this before we have
- an audio frame and even then every frame can be different*/
- }
- else if( st->codec->codec_tag == MKTAG( 'm', 'p', '4', 's' ))
- {
- //This is some stuff for the hint track, lets ignore it!
- //Do some mp4 auto detect.
- c->mp4=1;
- size-=(16);
- url_fskip(pb, size); /* The mp4s atom also contians a esds atom that we can skip*/
- }
- else if( st->codec->codec_tag == MKTAG( 'm', 'p', '4', 'a' ))
- {
- MOV_atom_t a;
- int mp4_version;
-
- /* Handle mp4 audio tag */
- mp4_version=get_be16(pb);/*version*/
- get_be16(pb); /*revesion*/
- get_be32(pb);
- st->codec->channels = get_be16(pb); /* channels */
- st->codec->bits_per_sample = get_be16(pb); /* bits per sample */
- get_be32(pb);
- st->codec->sample_rate = get_be16(pb); /* sample rate, not always correct */
- if(st->codec->sample_rate == 1) //nonsese rate? -> ignore
- st->codec->sample_rate= 0;
-
- get_be16(pb);
- c->mp4=1;
-
- if(mp4_version==1)
- {
- url_fskip(pb,16);
- a.size=size-(16+20+16);
- }
- else
- a.size=size-(16+20);
-
- a.offset=url_ftell(pb);
-
- mov_read_default(c, pb, a);
-
- /* Get correct sample rate from extradata */
- if(st->codec->extradata_size) {
- const int samplerate_table[] = {
- 96000, 88200, 64000, 48000, 44100, 32000,
- 24000, 22050, 16000, 12000, 11025, 8000,
- 7350, 0, 0, 0
- };
- unsigned char *px = st->codec->extradata;
- // 5 bits objectTypeIndex, 4 bits sampleRateIndex, 4 bits channels
- int samplerate_index = ((px[0] & 7) << 1) + ((px[1] >> 7) & 1);
- st->codec->sample_rate = samplerate_table[samplerate_index];
- st->codec->channels = (px[1] >> 3) & 15;
- }
- }
- else if( st->codec->codec_tag == MKTAG( 'a', 'l', 'a', 'c' ))
- {
- /* Handle alac audio tag + special extradata */
- get_be32(pb); /* version */
- get_be32(pb);
- st->codec->channels = get_be16(pb); /* channels */
- st->codec->bits_per_sample = get_be16(pb); /* bits per sample */
- get_be32(pb);
- st->codec->sample_rate = get_be16(pb);
- get_be16(pb);
-
- /* fetch the 36-byte extradata needed for alac decoding */
- st->codec->extradata_size = 36;
- st->codec->extradata = (uint8_t*)
- av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+ st->codec->codec_id = id;
+ get_be16(pb); /* revision level */
+ get_be32(pb); /* vendor */
+
+ st->codec->channels = get_be16(pb); /* channel count */
+ dprintf("audio channels %d\n", st->codec->channels);
+ st->codec->bits_per_sample = get_be16(pb); /* sample size */
+ /* do we need to force to 16 for AMR ? */
+
+ /* handle specific s8 codec */
+ get_be16(pb); /* compression id = 0*/
+ get_be16(pb); /* packet size = 0 */
+
+ st->codec->sample_rate = ((get_be32(pb) >> 16));
+
+ switch (st->codec->codec_id) {
+ case CODEC_ID_PCM_S8:
+ case CODEC_ID_PCM_U8:
+ if (st->codec->bits_per_sample == 16)
+ st->codec->codec_id = CODEC_ID_PCM_S16BE;
+ break;
+ case CODEC_ID_PCM_S16LE:
+ case CODEC_ID_PCM_S16BE:
+ if (st->codec->bits_per_sample == 8)
+ st->codec->codec_id = CODEC_ID_PCM_S8;
+ else if (st->codec->bits_per_sample == 24)
+ st->codec->codec_id = CODEC_ID_PCM_S24BE;
+ break;
+ default:
+ break;
}
- else if(size>=(16+20))
- {//16 bytes read, reading atleast 20 more
- uint16_t version;
- version = get_be16(pb); /* version */
- get_be16(pb); /* revision level */
- get_be32(pb); /* vendor */
-
- st->codec->channels = get_be16(pb); /* channel count */
- st->codec->bits_per_sample = get_be16(pb); /* sample size */
-
- /* handle specific s8 codec */
- get_be16(pb); /* compression id = 0*/
- get_be16(pb); /* packet size = 0 */
-
- st->codec->sample_rate = ((get_be32(pb) >> 16));
-
- switch (st->codec->codec_id) {
- case CODEC_ID_PCM_S16BE:
- if (st->codec->bits_per_sample == 8)
- st->codec->codec_id = CODEC_ID_PCM_S8;
- /* fall */
- case CODEC_ID_PCM_U8:
- st->codec->bit_rate = st->codec->sample_rate * 8;
- break;
- default:
- ;
- }
- //Read QT version 1 fields. In version 0 theese dont exist
- dprintf("version =%d mp4=%d\n",version,c->mp4);
- if((version==1) && size>=(16+20+16))
- {
- get_be32(pb); /* samples per packet */
+ //Read QT version 1 fields. In version 0 theese dont exist
+ dprintf("version =%d, isom =%d\n",version,c->isom);
+ if(!c->isom) {
+ if(version==1) {
+ sc->sample_size_v1.den = get_be32(pb); /* samples per packet */
get_be32(pb); /* bytes per packet */
- get_be32(pb); /* bytes per frame */
+ sc->sample_size_v1.num = get_be32(pb); /* bytes per frame */
get_be32(pb); /* bytes per sample */
- if(size>(16+20+16))
- {
- //Optional, additional atom-based fields
- MOV_atom_t a = { format, url_ftell(pb), size - (16 + 20 + 16 + 8) };
- mov_read_default(c, pb, a);
- }
- }
- else
- {
- //We should be down to 0 bytes here, but lets make sure.
- size-=(16+20);
- if(size>0) {
- dprintf("skipping 0x%X bytes\n",size-(16+20));
- url_fskip(pb, size);
- }
+ } else if(version==2) {
+ get_be32(pb); /* sizeof struct only */
+ st->codec->sample_rate = av_int2dbl(get_be64(pb)); /* float 64 */
+ st->codec->channels = get_be32(pb);
+ get_be32(pb); /* always 0x7F000000 */
+ get_be32(pb); /* bits per channel if sound is uncompressed */
+ get_be32(pb); /* lcpm format specific flag */
+ get_be32(pb); /* bytes per audio packet if constant */
+ get_be32(pb); /* lpcm frames per audio packet if constant */
}
}
- else
- {
- size-=16;
- //Unknown size, but lets do our best and skip the rest.
- dprintf("Strange size, skipping 0x%X bytes\n",size);
- url_fskip(pb, size);
+
+ bits_per_sample = av_get_bits_per_sample(st->codec->codec_id);
+ if (bits_per_sample) {
+ st->codec->bits_per_sample = bits_per_sample;
+ sc->sample_size = (bits_per_sample >> 3) * st->codec->channels;
}
+ } else {
+ /* other codec type, just skip (rtp, mp4s, tmcd ...) */
+ url_fskip(pb, size - (url_ftell(pb) - start_pos));
}
+ /* this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...) */
+ a.size = size - (url_ftell(pb) - start_pos);
+ if (a.size > 8)
+ mov_read_default(c, pb, a);
+ else if (a.size > 0)
+ url_fskip(pb, a.size);
}
if(st->codec->codec_type==CODEC_TYPE_AUDIO && st->codec->sample_rate==0 && sc->time_scale>1) {
st->codec->sample_rate= sc->time_scale;
}
+ /* special codec parameters handling */
+ switch (st->codec->codec_id) {
+#ifdef CONFIG_H261_DECODER
+ case CODEC_ID_H261:
+#endif
+#ifdef CONFIG_H263_DECODER
+ case CODEC_ID_H263:
+#endif
+#ifdef CONFIG_MPEG4_DECODER
+ case CODEC_ID_MPEG4:
+#endif
+ st->codec->width= 0; /* let decoder init width/height */
+ st->codec->height= 0;
+ break;
+#ifdef CONFIG_LIBFAAD
+ case CODEC_ID_AAC:
+#endif
+#ifdef CONFIG_VORBIS_DECODER
+ case CODEC_ID_VORBIS:
+#endif
+ case CODEC_ID_MP3ON4:
+ st->codec->sample_rate= 0; /* let decoder init parameters properly */
+ break;
+#ifdef CONFIG_DV_DEMUXER
+ case CODEC_ID_DVAUDIO:
+ c->dv_fctx = av_alloc_format_context();
+ c->dv_demux = dv_init_demux(c->dv_fctx);
+ if (!c->dv_demux) {
+ av_log(c->fc, AV_LOG_ERROR, "dv demux context init error\n");
+ return -1;
+ }
+ sc->dv_audio_container = 1;
+ st->codec->codec_id = CODEC_ID_PCM_S16LE;
+ break;
+#endif
+ /* no ifdef since parameters are always those */
+ case CODEC_ID_AMR_WB:
+ st->codec->sample_rate= 16000;
+ st->codec->channels= 1; /* really needed */
+ break;
+ case CODEC_ID_AMR_NB:
+ st->codec->sample_rate= 8000;
+ st->codec->channels= 1; /* really needed */
+ break;
+ case CODEC_ID_MP2:
+ st->codec->codec_type = CODEC_TYPE_AUDIO; /* force type after stsd for m1a hdlr */
+ st->need_parsing = 1;
+ break;
+ default:
+ break;
+ }
+
return 0;
}
av_log(NULL, AV_LOG_DEBUG, "track[%i].stsc.entries = %i\n", c->fc->nb_streams-1, entries);
#endif
sc->sample_to_chunk_sz = entries;
- sc->sample_to_chunk = (MOV_sample_to_chunk_tbl*) av_malloc(entries * sizeof(MOV_sample_to_chunk_tbl));
+ sc->sample_to_chunk = av_malloc(entries * sizeof(MOV_sample_to_chunk_tbl));
if (!sc->sample_to_chunk)
return -1;
for(i=0; i<entries; i++) {
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "keyframe_count = %ld\n", sc->keyframe_count);
#endif
- sc->keyframes = (long*) av_malloc(entries * sizeof(long));
+ sc->keyframes = av_malloc(entries * sizeof(long));
if (!sc->keyframes)
return -1;
for(i=0; i<entries; i++) {
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
- unsigned int i, entries;
+ unsigned int i, entries, sample_size;
get_byte(pb); /* version */
get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
- sc->sample_size = get_be32(pb);
+ sample_size = get_be32(pb);
+ if (!sc->sample_size) /* do not overwrite value computed in stsd */
+ sc->sample_size = sample_size;
entries = get_be32(pb);
if(entries >= UINT_MAX / sizeof(long))
return -1;
sc->sample_count = entries;
+ if (sample_size)
+ return 0;
+
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "sample_size = %ld sample_count = %ld\n", sc->sample_size, sc->sample_count);
#endif
- if(sc->sample_size)
- return 0; /* there isn't any table following */
- sc->sample_sizes = (long*) av_malloc(entries * sizeof(long));
+ sc->sample_sizes = av_malloc(entries * sizeof(long));
if (!sc->sample_sizes)
return -1;
for(i=0; i<entries; i++) {
dprintf("sample_count=%d, sample_duration=%d\n",sample_count,sample_duration);
- duration+=sample_duration*sample_count;
+ duration+=(int64_t)sample_duration*sample_count;
total_sample_count+=sample_count;
}
static int mov_read_ctts(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+ MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
unsigned int i, entries;
get_byte(pb); /* version */
if(entries >= UINT_MAX / sizeof(Time2Sample))
return -1;
- c->streams[c->fc->nb_streams-1]->ctts_count = entries;
- c->streams[c->fc->nb_streams-1]->ctts_data = av_malloc(entries * sizeof(Time2Sample));
+ sc->ctts_count = entries;
+ sc->ctts_data = av_malloc(entries * sizeof(Time2Sample));
dprintf("track[%i].ctts.entries = %i\n", c->fc->nb_streams-1, entries);
for(i=0; i<entries; i++) {
- c->streams[c->fc->nb_streams - 1]->ctts_data[i].count= get_be32(pb);
- c->streams[c->fc->nb_streams - 1]->ctts_data[i].duration= get_be32(pb);
+ int count =get_be32(pb);
+ int duration =get_be32(pb);
+
+ if (duration < 0) {
+ av_log(c->fc, AV_LOG_ERROR, "negative ctts, ignoring\n");
+ sc->ctts_count = 0;
+ url_fskip(pb, 8 * (entries - i - 1));
+ break;
+ }
+ sc->ctts_data[i].count = count;
+ sc->ctts_data[i].duration= duration;
+
+ sc->time_rate= ff_gcd(sc->time_rate, duration);
}
return 0;
}
st = av_new_stream(c->fc, c->fc->nb_streams);
if (!st) return -2;
- sc = (MOVStreamContext*) av_mallocz(sizeof(MOVStreamContext));
+ sc = av_mallocz(sizeof(MOVStreamContext));
if (!sc) {
av_free(st);
return -1;
}
- sc->sample_to_chunk_index = -1;
st->priv_data = sc;
- st->codec->codec_type = CODEC_TYPE_MOV_OTHER;
+ st->codec->codec_type = CODEC_TYPE_DATA;
st->start_time = 0; /* XXX: check */
c->streams[c->fc->nb_streams-1] = sc;
static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
- AVStream *st;
-
- st = c->fc->streams[c->fc->nb_streams-1];
-
- get_byte(pb); /* version */
+ AVStream *st = c->fc->streams[c->fc->nb_streams-1];
+ int version = get_byte(pb);
get_byte(pb); get_byte(pb);
get_byte(pb); /* flags */
MOV_TRACK_IN_POSTER 0x0008
*/
- get_be32(pb); /* creation time */
- get_be32(pb); /* modification time */
+ if (version == 1) {
+ get_be64(pb);
+ get_be64(pb);
+ } else {
+ get_be32(pb); /* creation time */
+ get_be32(pb); /* modification time */
+ }
st->id = (int)get_be32(pb); /* track id (NOT 0 !)*/
get_be32(pb); /* reserved */
st->start_time = 0; /* check */
- get_be32(pb); /* highlevel (considering edits) duration in movie timebase */
+ (version == 1) ? get_be64(pb) : get_be32(pb); /* highlevel (considering edits) duration in movie timebase */
get_be32(pb); /* reserved */
get_be32(pb); /* reserved */
url_fskip(pb, 36); /* display matrix */
/* those are fixed-point */
- /*st->codec->width =*/ get_be32(pb) >> 16; /* track width */
- /*st->codec->height =*/ get_be32(pb) >> 16; /* track height */
+ get_be32(pb); /* track width */
+ get_be32(pb); /* track height */
return 0;
}
return err;
}
-
-#ifdef CONFIG_ZLIB
-static int null_read_packet(void *opaque, uint8_t *buf, int buf_size)
-{
- return -1;
-}
-
static int mov_read_cmov(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
+#ifdef CONFIG_ZLIB
ByteIOContext ctx;
uint8_t *cmov_data;
uint8_t *moov_data; /* uncompressed data */
moov_len = get_be32(pb); /* uncompressed size */
cmov_len = atom.size - 6 * 4;
- cmov_data = (uint8_t *) av_malloc(cmov_len);
+ cmov_data = av_malloc(cmov_len);
if (!cmov_data)
return -1;
- moov_data = (uint8_t *) av_malloc(moov_len);
+ moov_data = av_malloc(moov_len);
if (!moov_data) {
av_free(cmov_data);
return -1;
get_buffer(pb, cmov_data, cmov_len);
if(uncompress (moov_data, (uLongf *) &moov_len, (const Bytef *)cmov_data, cmov_len) != Z_OK)
return -1;
- if(init_put_byte(&ctx, moov_data, moov_len, 0, NULL, null_read_packet, NULL, NULL) != 0)
+ if(init_put_byte(&ctx, moov_data, moov_len, 0, NULL, NULL, NULL, NULL) != 0)
return -1;
- ctx.buf_end = ctx.buffer + moov_len;
atom.type = MKTAG( 'm', 'o', 'o', 'v' );
atom.offset = 0;
atom.size = moov_len;
ret = mov_read_default(c, &ctx, atom);
av_free(moov_data);
av_free(cmov_data);
-
return ret;
-}
+#else
+ av_log(c->fc, AV_LOG_ERROR, "this file requires zlib support compiled in\n");
+ return -1;
#endif
+}
/* edit list atom */
static int mov_read_elst(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
- int i, edit_count;
-
- get_byte(pb); /* version */
- get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
- edit_count= c->streams[c->fc->nb_streams-1]->edit_count = get_be32(pb); /* entries */
-
- for(i=0; i<edit_count; i++){
- get_be32(pb); /* Track duration */
- get_be32(pb); /* Media time */
- get_be32(pb); /* Media rate */
- }
- dprintf("track[%i].edit_count = %i\n", c->fc->nb_streams-1, c->streams[c->fc->nb_streams-1]->edit_count);
- return 0;
+ int i, edit_count;
+
+ get_byte(pb); /* version */
+ get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
+ edit_count= c->streams[c->fc->nb_streams-1]->edit_count = get_be32(pb); /* entries */
+
+ for(i=0; i<edit_count; i++){
+ get_be32(pb); /* Track duration */
+ get_be32(pb); /* Media time */
+ get_be32(pb); /* Media rate */
+ }
+ dprintf("track[%i].edit_count = %i\n", c->fc->nb_streams-1, c->streams[c->fc->nb_streams-1]->edit_count);
+ return 0;
}
static const MOVParseTableEntry mov_default_parse_table[] = {
/* mp4 atoms */
{ MKTAG( 'c', 'o', '6', '4' ), mov_read_stco },
-{ MKTAG( 'c', 'p', 'r', 't' ), mov_read_default },
-{ MKTAG( 'c', 'r', 'h', 'd' ), mov_read_default },
{ MKTAG( 'c', 't', 't', 's' ), mov_read_ctts }, /* composition time to sample */
-{ MKTAG( 'd', 'i', 'n', 'f' ), mov_read_default }, /* data information */
-{ MKTAG( 'd', 'p', 'n', 'd' ), mov_read_leaf },
-{ MKTAG( 'd', 'r', 'e', 'f' ), mov_read_leaf },
{ MKTAG( 'e', 'd', 't', 's' ), mov_read_default },
{ MKTAG( 'e', 'l', 's', 't' ), mov_read_elst },
-{ MKTAG( 'f', 'r', 'e', 'e' ), mov_read_leaf },
+{ MKTAG( 'e', 'n', 'd', 'a' ), mov_read_enda },
{ MKTAG( 'f', 't', 'y', 'p' ), mov_read_ftyp },
{ MKTAG( 'h', 'd', 'l', 'r' ), mov_read_hdlr },
-{ MKTAG( 'h', 'i', 'n', 't' ), mov_read_leaf },
-{ MKTAG( 'h', 'm', 'h', 'd' ), mov_read_leaf },
-{ MKTAG( 'i', 'o', 'd', 's' ), mov_read_leaf },
+{ MKTAG( 'j', 'p', '2', 'h' ), mov_read_jp2h },
{ MKTAG( 'm', 'd', 'a', 't' ), mov_read_mdat },
{ MKTAG( 'm', 'd', 'h', 'd' ), mov_read_mdhd },
{ MKTAG( 'm', 'd', 'i', 'a' ), mov_read_default },
{ MKTAG( 'm', 'i', 'n', 'f' ), mov_read_default },
{ MKTAG( 'm', 'o', 'o', 'v' ), mov_read_moov },
-{ MKTAG( 'm', 'p', '4', 'a' ), mov_read_default },
-{ MKTAG( 'm', 'p', '4', 's' ), mov_read_default },
-{ MKTAG( 'm', 'p', '4', 'v' ), mov_read_default },
-{ MKTAG( 'm', 'p', 'o', 'd' ), mov_read_leaf },
{ MKTAG( 'm', 'v', 'h', 'd' ), mov_read_mvhd },
-{ MKTAG( 'n', 'm', 'h', 'd' ), mov_read_leaf },
-{ MKTAG( 'o', 'd', 'h', 'd' ), mov_read_default },
-{ MKTAG( 's', 'd', 'h', 'd' ), mov_read_default },
-{ MKTAG( 's', 'k', 'i', 'p' ), mov_read_leaf },
-{ MKTAG( 's', 'm', 'h', 'd' ), mov_read_leaf }, /* sound media info header */
{ MKTAG( 'S', 'M', 'I', ' ' ), mov_read_smi }, /* Sorenson extension ??? */
+{ MKTAG( 'a', 'l', 'a', 'c' ), mov_read_alac }, /* alac specific atom */
{ MKTAG( 'a', 'v', 'c', 'C' ), mov_read_avcC },
{ MKTAG( 's', 't', 'b', 'l' ), mov_read_default },
{ MKTAG( 's', 't', 'c', 'o' ), mov_read_stco },
-{ MKTAG( 's', 't', 'd', 'p' ), mov_read_default },
{ MKTAG( 's', 't', 's', 'c' ), mov_read_stsc },
{ MKTAG( 's', 't', 's', 'd' ), mov_read_stsd }, /* sample description */
-{ MKTAG( 's', 't', 's', 'h' ), mov_read_default },
{ MKTAG( 's', 't', 's', 's' ), mov_read_stss }, /* sync sample */
{ MKTAG( 's', 't', 's', 'z' ), mov_read_stsz }, /* sample size */
{ MKTAG( 's', 't', 't', 's' ), mov_read_stts },
{ MKTAG( 't', 'k', 'h', 'd' ), mov_read_tkhd }, /* track header */
{ MKTAG( 't', 'r', 'a', 'k' ), mov_read_trak },
-{ MKTAG( 't', 'r', 'e', 'f' ), mov_read_default }, /* not really */
-{ MKTAG( 'u', 'd', 't', 'a' ), mov_read_leaf },
-{ MKTAG( 'u', 'r', 'l', ' ' ), mov_read_leaf },
-{ MKTAG( 'u', 'r', 'n', ' ' ), mov_read_leaf },
-{ MKTAG( 'u', 'u', 'i', 'd' ), mov_read_leaf },
-{ MKTAG( 'v', 'm', 'h', 'd' ), mov_read_leaf }, /* video media info header */
{ MKTAG( 'w', 'a', 'v', 'e' ), mov_read_wave },
-/* extra mp4 */
-{ MKTAG( 'M', 'D', 'E', 'S' ), mov_read_leaf },
-/* QT atoms */
-{ MKTAG( 'c', 'h', 'a', 'p' ), mov_read_leaf },
-{ MKTAG( 'c', 'l', 'i', 'p' ), mov_read_default },
-{ MKTAG( 'c', 'r', 'g', 'n' ), mov_read_leaf },
{ MKTAG( 'c', 't', 'a', 'b' ), mov_read_ctab },
{ MKTAG( 'e', 's', 'd', 's' ), mov_read_esds },
-{ MKTAG( 'k', 'm', 'a', 't' ), mov_read_leaf },
-{ MKTAG( 'm', 'a', 't', 't' ), mov_read_default },
-{ MKTAG( 'r', 'd', 'r', 'f' ), mov_read_leaf },
-{ MKTAG( 'r', 'm', 'd', 'a' ), mov_read_default },
-{ MKTAG( 'r', 'm', 'd', 'r' ), mov_read_leaf },
-{ MKTAG( 'r', 'm', 'r', 'a' ), mov_read_default },
-{ MKTAG( 's', 'c', 'p', 't' ), mov_read_leaf },
-{ MKTAG( 's', 's', 'r', 'c' ), mov_read_leaf },
-{ MKTAG( 's', 'y', 'n', 'c' ), mov_read_leaf },
-{ MKTAG( 't', 'c', 'm', 'd' ), mov_read_leaf },
{ MKTAG( 'w', 'i', 'd', 'e' ), mov_read_wide }, /* place holder */
-//{ MKTAG( 'r', 'm', 'q', 'u' ), mov_read_leaf },
-#ifdef CONFIG_ZLIB
{ MKTAG( 'c', 'm', 'o', 'v' ), mov_read_cmov },
-#else
-{ MKTAG( 'c', 'm', 'o', 'v' ), mov_read_leaf },
-#endif
-{ 0L, mov_read_leaf }
+{ 0L, NULL }
};
static void mov_free_stream_context(MOVStreamContext *sc)
{
if(sc) {
- av_freep(&sc->chunk_offsets);
- av_freep(&sc->sample_to_chunk);
- av_freep(&sc->sample_sizes);
- av_freep(&sc->keyframes);
- av_freep(&sc->stts_data);
av_freep(&sc->ctts_data);
av_freep(&sc);
}
}
-static inline uint32_t mov_to_tag(uint8_t *buf)
-{
- return MKTAG(buf[0], buf[1], buf[2], buf[3]);
-}
-
-static inline uint32_t to_be32(uint8_t *buf)
-{
- return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
-}
-
/* XXX: is it sufficient ? */
static int mov_probe(AVProbeData *p)
{
/* ignore invalid offset */
if ((offset + 8) > (unsigned int)p->buf_size)
return score;
- tag = mov_to_tag(p->buf + offset + 4);
+ tag = AV_RL32(p->buf + offset + 4);
switch(tag) {
/* check for obvious tags */
+ case MKTAG( 'j', 'P', ' ', ' ' ): /* jpeg 2000 signature */
case MKTAG( 'm', 'o', 'o', 'v' ):
case MKTAG( 'm', 'd', 'a', 't' ):
case MKTAG( 'p', 'n', 'o', 't' ): /* detect movs with preview pics like ew.mov and april.mov */
case MKTAG( 'f', 't', 'y', 'p' ):
case MKTAG( 's', 'k', 'i', 'p' ):
case MKTAG( 'u', 'u', 'i', 'd' ):
- offset = to_be32(p->buf+offset) + offset;
+ offset = AV_RB32(p->buf+offset) + offset;
/* if we only find those cause probedata is too small at least rate them */
score = AVPROBE_SCORE_MAX - 50;
break;
return score;
}
+static void mov_build_index(MOVContext *mov, AVStream *st)
+{
+ MOVStreamContext *sc = st->priv_data;
+ offset_t current_offset;
+ int64_t current_dts = 0;
+ int stts_index = 0;
+ int stsc_index = 0;
+ int stss_index = 0;
+ int i, j, k;
+
+ if (sc->sample_sizes || st->codec->codec_type == CODEC_TYPE_VIDEO || sc->dv_audio_container) {
+ int keyframe, sample_size;
+ int current_sample = 0;
+ int stts_sample = 0;
+ int distance = 0;
+
+ st->nb_frames = sc->sample_count;
+ for (i = 0; i < sc->chunk_count; i++) {
+ current_offset = sc->chunk_offsets[i];
+ if (stsc_index + 1 < sc->sample_to_chunk_sz && i + 1 == sc->sample_to_chunk[stsc_index + 1].first)
+ stsc_index++;
+ for (j = 0; j < sc->sample_to_chunk[stsc_index].count; j++) {
+ keyframe = !sc->keyframe_count || current_sample + 1 == sc->keyframes[stss_index];
+ if (keyframe) {
+ distance = 0;
+ if (stss_index + 1 < sc->keyframe_count)
+ stss_index++;
+ }
+ sample_size = sc->sample_size > 0 ? sc->sample_size : sc->sample_sizes[current_sample];
+ dprintf("AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", size %d, distance %d, keyframe %d\n",
+ st->index, current_sample, current_offset, current_dts, sample_size, distance, keyframe);
+ av_add_index_entry(st, current_offset, current_dts, sample_size, distance, keyframe ? AVINDEX_KEYFRAME : 0);
+ current_offset += sample_size;
+ assert(sc->stts_data[stts_index].duration % sc->time_rate == 0);
+ current_dts += sc->stts_data[stts_index].duration / sc->time_rate;
+ distance++;
+ stts_sample++;
+ if (current_sample + 1 < sc->sample_count)
+ current_sample++;
+ if (stts_index + 1 < sc->stts_count && stts_sample == sc->stts_data[stts_index].count) {
+ stts_sample = 0;
+ stts_index++;
+ }
+ }
+ }
+ } else { /* read whole chunk */
+ int chunk_samples, chunk_size, chunk_duration;
+
+ for (i = 0; i < sc->chunk_count; i++) {
+ current_offset = sc->chunk_offsets[i];
+ if (stsc_index + 1 < sc->sample_to_chunk_sz && i + 1 == sc->sample_to_chunk[stsc_index + 1].first)
+ stsc_index++;
+ chunk_samples = sc->sample_to_chunk[stsc_index].count;
+ /* get chunk size */
+ if (sc->sample_size > 1 || st->codec->codec_id == CODEC_ID_PCM_U8 || st->codec->codec_id == CODEC_ID_PCM_S8)
+ chunk_size = chunk_samples * sc->sample_size;
+ else if (sc->sample_size_v1.den > 0 && (chunk_samples * sc->sample_size_v1.num % sc->sample_size_v1.den == 0))
+ chunk_size = chunk_samples * sc->sample_size_v1.num / sc->sample_size_v1.den;
+ else { /* workaround to find nearest next chunk offset */
+ chunk_size = INT_MAX;
+ for (j = 0; j < mov->total_streams; j++) {
+ MOVStreamContext *msc = mov->streams[j];
+
+ for (k = msc->next_chunk; k < msc->chunk_count; k++) {
+ if (msc->chunk_offsets[k] > current_offset && msc->chunk_offsets[k] - current_offset < chunk_size) {
+ chunk_size = msc->chunk_offsets[k] - current_offset;
+ msc->next_chunk = k;
+ break;
+ }
+ }
+ }
+ /* check for last chunk */
+ if (chunk_size == INT_MAX)
+ for (j = 0; j < mov->mdat_count; j++) {
+ dprintf("mdat %d, offset %"PRIx64", size %"PRId64", current offset %"PRIx64"\n",
+ j, mov->mdat_list[j].offset, mov->mdat_list[j].size, current_offset);
+ if (mov->mdat_list[j].offset <= current_offset && mov->mdat_list[j].offset + mov->mdat_list[j].size > current_offset)
+ chunk_size = mov->mdat_list[j].offset + mov->mdat_list[j].size - current_offset;
+ }
+ assert(chunk_size != INT_MAX);
+ for (j = 0; j < mov->total_streams; j++) {
+ mov->streams[j]->next_chunk = 0;
+ }
+ }
+ av_add_index_entry(st, current_offset, current_dts, chunk_size, 0, AVINDEX_KEYFRAME);
+ /* get chunk duration */
+ chunk_duration = 0;
+ while (chunk_samples > 0) {
+ if (chunk_samples < sc->stts_data[stts_index].count) {
+ chunk_duration += sc->stts_data[stts_index].duration * chunk_samples;
+ sc->stts_data[stts_index].count -= chunk_samples;
+ break;
+ } else {
+ chunk_duration += sc->stts_data[stts_index].duration * chunk_samples;
+ chunk_samples -= sc->stts_data[stts_index].count;
+ if (stts_index + 1 < sc->stts_count) {
+ stts_index++;
+ }
+ }
+ }
+ dprintf("AVIndex stream %d, chunk %d, offset %"PRIx64", dts %"PRId64", size %d, duration %d\n",
+ st->index, i, current_offset, current_dts, chunk_size, chunk_duration);
+ assert(chunk_duration % sc->time_rate == 0);
+ current_dts += chunk_duration / sc->time_rate;
+ }
+ }
+ /* adjust sample count to avindex entries */
+ sc->sample_count = st->nb_index_entries;
+}
+
static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
MOVContext *mov = (MOVContext *) s->priv_data;
ByteIOContext *pb = &s->pb;
- int i, j, nb, err;
+ int i, err;
MOV_atom_t atom = { 0, 0, 0 };
mov->fc = s;
if(!url_is_streamed(pb) && (url_ftell(pb) != mov->mdat_offset))
url_fseek(pb, mov->mdat_offset, SEEK_SET);
- mov->next_chunk_offset = mov->mdat_offset; /* initialise reading */
- mov->total_streams = nb = s->nb_streams;
+ mov->total_streams = s->nb_streams;
-#if 1
- for(i=0; i<s->nb_streams;) {
- if(s->streams[i]->codec->codec_type == CODEC_TYPE_MOV_OTHER) {/* not audio, not video, delete */
- av_free(s->streams[i]);
- for(j=i+1; j<s->nb_streams; j++)
- s->streams[j-1] = s->streams[j];
- s->nb_streams--;
- } else
- i++;
- }
- for(i=0; i<s->nb_streams;i++) {
- MOVStreamContext *sc = (MOVStreamContext *)s->streams[i]->priv_data;
+ for(i=0; i<mov->total_streams; i++) {
+ MOVStreamContext *sc = mov->streams[i];
if(!sc->time_rate)
sc->time_rate=1;
+ if(!sc->time_scale)
+ sc->time_scale= mov->time_scale;
av_set_pts_info(s->streams[i], 64, sc->time_rate, sc->time_scale);
if(s->streams[i]->duration != AV_NOPTS_VALUE){
assert(s->streams[i]->duration % sc->time_rate == 0);
s->streams[i]->duration /= sc->time_rate;
}
-
sc->ffindex = i;
- sc->is_ff_stream = 1;
+ mov_build_index(mov, s->streams[i]);
}
-#endif
+
+ for(i=0; i<mov->total_streams; i++) {
+ /* dont need those anymore */
+ av_freep(&mov->streams[i]->chunk_offsets);
+ av_freep(&mov->streams[i]->sample_to_chunk);
+ av_freep(&mov->streams[i]->sample_sizes);
+ av_freep(&mov->streams[i]->keyframes);
+ av_freep(&mov->streams[i]->stts_data);
+ }
+ av_freep(&mov->mdat_list);
return 0;
}
-/* Yes, this is ugly... I didn't write the specs of QT :p */
-/* XXX:remove useless commented code sometime */
static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
{
- MOVContext *mov = (MOVContext *) s->priv_data;
- MOVStreamContext *sc;
- AVStream *st;
- int64_t offset = INT64_MAX;
+ MOVContext *mov = s->priv_data;
+ MOVStreamContext *sc = 0;
+ AVIndexEntry *sample = 0;
int64_t best_dts = INT64_MAX;
- int i, a, b, m;
- int size;
- int idx;
- size = 0x0FFFFFFF;
-
- if (mov->partial) {
- sc = mov->partial;
- idx = sc->sample_to_chunk_index;
-
- if (idx < 0) return 0;
- dprintf("sc[ffid %d]->sample_size = %ld\n", sc->ffindex, sc->sample_size);
- //size = sc->sample_sizes[sc->current_sample];
- // that ain't working...
- //size = (sc->sample_size)?sc->sample_size:sc->sample_sizes[sc->current_sample];
- size = (sc->sample_size > 1)?sc->sample_size:sc->sample_sizes[sc->current_sample];
-
- sc->current_sample++;
- sc->left_in_chunk--;
-
- if (sc->left_in_chunk <= 0)
- mov->partial = 0;
- offset = mov->next_chunk_offset;
- /* extract the sample */
-
- goto readchunk;
- }
+ int i;
-again:
- sc = 0;
- if(offset == INT64_MAX)
- best_dts= INT64_MAX;
- for(i=0; i<mov->total_streams; i++) {
+ for (i = 0; i < mov->total_streams; i++) {
MOVStreamContext *msc = mov->streams[i];
- if ((msc->next_chunk < msc->chunk_count) && msc->next_chunk >= 0){
- if (msc->sample_to_time_index < msc->stts_count && mov->ni) {
- int64_t dts;
- int index= msc->sample_to_time_index;
- int sample= msc->sample_to_time_sample;
- int time= msc->sample_to_time_time;
- int duration = msc->stts_data[index].duration;
- int count = msc->stts_data[index].count;
- if (sample + count < msc->current_sample) {
- sample += count;
- time += count*duration;
- index ++;
- duration = msc->stts_data[index].duration;
- }
- dts = time + (msc->current_sample-1 - sample) * (int64_t)duration;
- dts = av_rescale(dts, AV_TIME_BASE, msc->time_scale);
- dprintf("stream: %d dts: %Ld best_dts: %Ld offset: %Ld \n", i, dts, best_dts, offset);
- if(dts < best_dts){
- best_dts= dts;
- sc = msc;
- offset = msc->chunk_offsets[msc->next_chunk];
- }
- }else{
- if ((msc->chunk_offsets[msc->next_chunk] < offset)) {
- sc = msc;
- offset = msc->chunk_offsets[msc->next_chunk];
- }
+ if (s->streams[i]->discard != AVDISCARD_ALL && msc->current_sample < msc->sample_count) {
+ AVIndexEntry *current_sample = &s->streams[i]->index_entries[msc->current_sample];
+ int64_t dts = av_rescale(current_sample->timestamp * (int64_t)msc->time_rate, AV_TIME_BASE, msc->time_scale);
+
+ dprintf("stream %d, sample %ld, dts %"PRId64"\n", i, msc->current_sample, dts);
+ if (dts < best_dts) {
+ sample = current_sample;
+ best_dts = dts;
+ sc = msc;
}
}
}
- if (!sc || offset==INT64_MAX)
+ if (!sample)
+ return -1;
+ /* must be done just before reading, to avoid infinite loop on sample */
+ sc->current_sample++;
+ if (sample->pos >= url_fsize(&s->pb)) {
+ av_log(mov->fc, AV_LOG_ERROR, "stream %d, offset 0x%"PRIx64": partial file\n", sc->ffindex, sample->pos);
return -1;
-
- sc->next_chunk++;
-
- if(mov->next_chunk_offset < offset) { /* some meta data */
- url_fskip(&s->pb, (offset - mov->next_chunk_offset));
- mov->next_chunk_offset = offset;
- }
-
- if(!sc->is_ff_stream || (s->streams[sc->ffindex]->discard >= AVDISCARD_ALL)) {
- url_fskip(&s->pb, (offset - mov->next_chunk_offset));
- mov->next_chunk_offset = offset;
- offset = INT64_MAX;
- goto again;
- }
-
- /* now get the chunk size... */
-
- for(i=0; i<mov->total_streams; i++) {
- MOVStreamContext *msc = mov->streams[i];
- if ((msc->next_chunk < msc->chunk_count)
- && msc->chunk_offsets[msc->next_chunk] - offset < size
- && msc->chunk_offsets[msc->next_chunk] > offset)
- size = msc->chunk_offsets[msc->next_chunk] - offset;
}
-
-#ifdef MOV_MINOLTA_FIX
- //Make sure that size is according to sample_size (Needed by .mov files
- //created on a Minolta Dimage Xi where audio chunks contains waste data in the end)
- //Maybe we should really not only check sc->sample_size, but also sc->sample_sizes
- //but I have no such movies
- if (sc->sample_size > 0) {
- int foundsize=0;
- for(i=0; i<(sc->sample_to_chunk_sz); i++) {
- if( (sc->sample_to_chunk[i].first)<=(sc->next_chunk) )
- {
- // I can't figure out why for PCM audio sample_size is always 1
- // (it should actually be channels*bits_per_second/8) but it is.
- AVCodecContext* cod = s->streams[sc->ffindex]->codec;
- if (sc->sample_size == 1 && (cod->codec_id == CODEC_ID_PCM_S16BE || cod->codec_id == CODEC_ID_PCM_S16LE))
- foundsize=(sc->sample_to_chunk[i].count*cod->channels*cod->bits_per_sample)/8;
- else
- foundsize=sc->sample_to_chunk[i].count*sc->sample_size;
- }
- dprintf("sample_to_chunk first=%ld count=%ld, id=%ld\n", sc->sample_to_chunk[i].first, sc->sample_to_chunk[i].count, sc->sample_to_chunk[i].id);
- }
- if( (foundsize>0) && (foundsize<size) )
- {
- size=foundsize;
+#ifdef CONFIG_DV_DEMUXER
+ if (sc->dv_audio_container) {
+ dv_get_packet(mov->dv_demux, pkt);
+ dprintf("dv audio pkt size %d\n", pkt->size);
+ } else {
+#endif
+ url_fseek(&s->pb, sample->pos, SEEK_SET);
+ av_get_packet(&s->pb, pkt, sample->size);
+#ifdef CONFIG_DV_DEMUXER
+ if (mov->dv_demux) {
+ void *pkt_destruct_func = pkt->destruct;
+ dv_produce_packet(mov->dv_demux, pkt, pkt->data, pkt->size);
+ pkt->destruct = pkt_destruct_func;
}
}
-#endif //MOV_MINOLTA_FIX
-
- idx = sc->sample_to_chunk_index;
- if (idx + 1 < sc->sample_to_chunk_sz && sc->next_chunk >= sc->sample_to_chunk[idx + 1].first)
- idx++;
- sc->sample_to_chunk_index = idx;
- /* split chunks into samples */
- if (sc->sample_size == 0 || sc->sample_size > 100) {
- if (idx >= 0 && sc->sample_to_chunk[idx].count != 1) {
- mov->partial = sc;
- /* we'll have to get those samples before next chunk */
- sc->left_in_chunk = sc->sample_to_chunk[idx].count - 1;
- size = (sc->sample_size > 1)?sc->sample_size:sc->sample_sizes[sc->current_sample];
+#endif
+ pkt->stream_index = sc->ffindex;
+ pkt->dts = sample->timestamp;
+ if (sc->ctts_data) {
+ assert(sc->ctts_data[sc->sample_to_ctime_index].duration % sc->time_rate == 0);
+ pkt->pts = pkt->dts + sc->ctts_data[sc->sample_to_ctime_index].duration / sc->time_rate;
+ /* update ctts context */
+ sc->sample_to_ctime_sample++;
+ if (sc->sample_to_ctime_index < sc->ctts_count && sc->ctts_data[sc->sample_to_ctime_index].count == sc->sample_to_ctime_sample) {
+ sc->sample_to_ctime_index++;
+ sc->sample_to_ctime_sample = 0;
}
-
- sc->current_sample++;
- }else if(idx + 1 < sc->sample_to_chunk_sz){
- sc->current_sample += sc->sample_size * sc->sample_to_chunk[idx].count;
+ } else {
+ pkt->pts = pkt->dts;
}
+ pkt->flags |= sample->flags & AVINDEX_KEYFRAME ? PKT_FLAG_KEY : 0;
+ pkt->pos = sample->pos;
+ dprintf("stream %d, pts %"PRId64", dts %"PRId64", pos 0x%"PRIx64", duration %d\n", pkt->stream_index, pkt->pts, pkt->dts, pkt->pos, pkt->duration);
+ return 0;
+}
-readchunk:
- dprintf("chunk: %lli -> %lli (%i)\n", offset, offset + size, size);
- if(size == 0x0FFFFFFF)
- size = mov->mdat_size + mov->mdat_offset - offset;
- if(size < 0)
- return -1;
- if(size == 0)
- return -1;
- url_fseek(&s->pb, offset, SEEK_SET);
-
- av_get_packet(&s->pb, pkt, size);
- pkt->stream_index = sc->ffindex;
+static int mov_seek_stream(AVStream *st, int64_t timestamp, int flags)
+{
+ MOVStreamContext *sc = st->priv_data;
+ int sample, time_sample;
+ int i;
- // If the keyframes table exists, mark any samples that are in the table as key frames.
- // If no table exists, treat very sample as a key frame.
- if (sc->keyframes) {
- a = 0;
- b = sc->keyframe_count - 1;
-
- while (a < b) {
- m = (a + b + 1) >> 1;
- if (sc->keyframes[m] > sc->current_sample) {
- b = m - 1;
- } else {
- a = m;
+ sample = av_index_search_timestamp(st, timestamp, flags);
+ dprintf("stream %d, timestamp %"PRId64", sample %d\n", st->index, timestamp, sample);
+ if (sample < 0) /* not sure what to do */
+ return -1;
+ sc->current_sample = sample;
+ dprintf("stream %d, found sample %ld\n", st->index, sc->current_sample);
+ /* adjust ctts index */
+ if (sc->ctts_data) {
+ time_sample = 0;
+ for (i = 0; i < sc->ctts_count; i++) {
+ time_sample += sc->ctts_data[i].count;
+ if (time_sample >= sc->current_sample) {
+ sc->sample_to_ctime_index = i;
+ sc->sample_to_ctime_sample = time_sample - sc->current_sample;
+ break;
}
}
-
- if (sc->keyframes[a] == sc->current_sample)
- pkt->flags |= PKT_FLAG_KEY;
- }
- else
- pkt->flags |= PKT_FLAG_KEY;
-
- mov->next_chunk_offset = offset + size;
-
- /* find the corresponding dts */
- if (sc && sc->sample_to_time_index < sc->stts_count && pkt) {
- unsigned int count;
- uint64_t dts, pts;
- unsigned int duration = sc->stts_data[sc->sample_to_time_index].duration;
- count = sc->stts_data[sc->sample_to_time_index].count;
- if ((sc->sample_to_time_sample + count) < sc->current_sample) {
- sc->sample_to_time_sample += count;
- sc->sample_to_time_time += count*duration;
- sc->sample_to_time_index ++;
- duration = sc->stts_data[sc->sample_to_time_index].duration;
- }
- dts = sc->sample_to_time_time + (sc->current_sample-1 - sc->sample_to_time_sample) * (int64_t)duration;
- /* find the corresponding pts */
- if (sc->sample_to_ctime_index < sc->ctts_count) {
- int duration = sc->ctts_data[sc->sample_to_ctime_index].duration;
- int count = sc->ctts_data[sc->sample_to_ctime_index].count;
-
- if ((sc->sample_to_ctime_sample + count) < sc->current_sample) {
- sc->sample_to_ctime_sample += count;
- sc->sample_to_ctime_index ++;
- duration = sc->ctts_data[sc->sample_to_ctime_index].duration;
- }
- pts = dts + duration;
- }else
- pts = dts;
-
- st= s->streams[ sc->ffindex ];
- assert(pts % st->time_base.num == 0);
- assert(dts % st->time_base.num == 0);
-
- pkt->pts = pts / st->time_base.num;
- pkt->dts = dts / st->time_base.num;
- dprintf("stream #%d smp #%ld dts = %lld pts = %lld (smp:%ld time:%lld idx:%d ent:%d count:%d dur:%d)\n"
- , pkt->stream_index, sc->current_sample-1, pkt->dts, pkt->pts
- , sc->sample_to_time_sample
- , sc->sample_to_time_time
- , sc->sample_to_time_index
- , sc->stts_count
- , count
- , duration);
}
-
- return 0;
+ return sample;
}
-#if defined(MOV_SEEK)
-/**
- * Seek method based on the one described in the Appendix C of QTFileFormat.pdf
- */
static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
{
- MOVContext* mov = (MOVContext *) s->priv_data;
- MOVStreamContext* sc;
- int32_t i, a, b, m;
- int64_t start_time;
- int32_t seek_sample, sample;
- int32_t duration;
- int32_t count;
- int32_t chunk;
- int32_t left_in_chunk;
- int64_t chunk_file_offset;
- int64_t sample_file_offset;
- int32_t first_chunk_sample;
- int32_t sample_to_chunk_idx;
- int sample_to_time_index;
- long sample_to_time_sample = 0;
- uint64_t sample_to_time_time = 0;
- int mov_idx;
-
- // Find the corresponding mov stream
- for (mov_idx = 0; mov_idx < mov->total_streams; mov_idx++)
- if (mov->streams[mov_idx]->ffindex == stream_index)
- break;
- if (mov_idx == mov->total_streams) {
- av_log(s, AV_LOG_ERROR, "mov: requested stream was not found in mov streams (idx=%i)\n", stream_index);
- return -1;
- }
- sc = mov->streams[mov_idx];
-
- sample_time *= s->streams[stream_index]->time_base.num;
+ AVStream *st;
+ int64_t seek_timestamp, timestamp;
+ int sample;
+ int i;
- // Step 1. Find the edit that contains the requested time (elst)
- if (sc->edit_count && 0) {
- // FIXME should handle edit list
- av_log(s, AV_LOG_ERROR, "mov: does not handle seeking in files that contain edit list (c:%d)\n", sc->edit_count);
+ if (stream_index >= s->nb_streams)
return -1;
- }
- // Step 2. Find the corresponding sample using the Time-to-sample atom (stts) */
- dprintf("Searching for time %li in stream #%i (time_scale=%i)\n", (long)sample_time, mov_idx, sc->time_scale);
- start_time = 0; // FIXME use elst atom
- sample = 1; // sample are 0 based in table
-
- for (i = 0; i < sc->stts_count; i++) {
- count = sc->stts_data[i].count;
- duration = sc->stts_data[i].duration;
- if ((start_time + count*duration) > sample_time) {
- sample_to_time_time = start_time;
- sample_to_time_index = i;
- sample_to_time_sample = sample;
- sample += (sample_time - start_time) / duration;
- break;
- }
- sample += count;
- start_time += count * duration;
- }
- sample_to_time_time = start_time;
- sample_to_time_index = i;
- /* NOTE: despite what qt doc say, the dt value (Display Time in qt vocabulary) computed with the stts atom
- is a decoding time stamp (dts) not a presentation time stamp. And as usual dts != pts for stream with b frames */
-
- dprintf("Found time %li at sample #%u\n", (long)sample_time, sample);
- if (sample > sc->sample_count) {
- av_log(s, AV_LOG_ERROR, "mov: sample pos is too high, unable to seek (req. sample=%i, sample count=%ld)\n", sample, sc->sample_count);
+ st = s->streams[stream_index];
+ sample = mov_seek_stream(st, sample_time, flags);
+ if (sample < 0)
return -1;
- }
- // Step 3. Find the prior sync. sample using the Sync sample atom (stss)
- if (sc->keyframes) {
- a = 0;
- b = sc->keyframe_count - 1;
- while (a < b) {
- m = (a + b + 1) >> 1;
- if (sc->keyframes[m] > sample) {
- b = m - 1;
- } else {
- a = m;
- }
- }
- // for low latency prob: always use the previous keyframe, just uncomment the next line
- // if (a) a--;
- seek_sample = sc->keyframes[a];
- }
- else
- seek_sample = sample; // else all samples are key frames
- dprintf("Found nearest keyframe at sample #%i \n", seek_sample);
+ /* adjust seek timestamp to found sample timestamp */
+ seek_timestamp = st->index_entries[sample].timestamp;
- // Step 4. Find the chunk of the sample using the Sample-to-chunk-atom (stsc)
- for (first_chunk_sample = 1, i = 0; i < (sc->sample_to_chunk_sz - 1); i++) {
- b = (sc->sample_to_chunk[i + 1].first - sc->sample_to_chunk[i].first) * sc->sample_to_chunk[i].count;
- if (seek_sample >= first_chunk_sample && seek_sample < (first_chunk_sample + b))
- break;
- first_chunk_sample += b;
- }
- chunk = sc->sample_to_chunk[i].first + (seek_sample - first_chunk_sample) / sc->sample_to_chunk[i].count;
- left_in_chunk = sc->sample_to_chunk[i].count - (seek_sample - first_chunk_sample) % sc->sample_to_chunk[i].count;
- first_chunk_sample += ((seek_sample - first_chunk_sample) / sc->sample_to_chunk[i].count) * sc->sample_to_chunk[i].count;
- sample_to_chunk_idx = i;
- dprintf("Sample was found in chunk #%i at sample offset %i (idx %i)\n", chunk, seek_sample - first_chunk_sample, sample_to_chunk_idx);
-
- // Step 5. Find the offset of the chunk using the chunk offset atom
- if (!sc->chunk_offsets) {
- av_log(s, AV_LOG_ERROR, "mov: no chunk offset atom, unable to seek\n");
- return -1;
- }
- if (chunk > sc->chunk_count) {
- av_log(s, AV_LOG_ERROR, "mov: chunk offset atom too short, unable to seek (req. chunk=%i, chunk count=%li)\n", chunk, sc->chunk_count);
- return -1;
- }
- chunk_file_offset = sc->chunk_offsets[chunk - 1];
- dprintf("Chunk file offset is #%llu \n", chunk_file_offset);
-
- // Step 6. Find the byte offset within the chunk using the sample size atom
- sample_file_offset = chunk_file_offset;
- if (sc->sample_size)
- sample_file_offset += (seek_sample - first_chunk_sample) * sc->sample_size;
- else {
- for (i = 0; i < (seek_sample - first_chunk_sample); i++) {
- sample_file_offset += sc->sample_sizes[first_chunk_sample + i - 1];
- }
- }
- dprintf("Sample file offset is #%llu \n", sample_file_offset);
-
- // Step 6. Update the parser
- mov->partial = sc;
- mov->next_chunk_offset = sample_file_offset;
- // Update current stream state
- sc->current_sample = seek_sample - 1; // zero based
- sc->left_in_chunk = left_in_chunk;
- sc->next_chunk = chunk; // +1 -1 (zero based)
- sc->sample_to_chunk_index = sample_to_chunk_idx;
-
- // Update other streams
- for (i = 0; i<mov->total_streams; i++) {
- MOVStreamContext *msc;
- if (i == mov_idx) continue;
- // Find the nearest 'next' chunk
- msc = mov->streams[i];
- a = 0;
- b = msc->chunk_count - 1;
- while (a < b) {
- m = (a + b + 1) >> 1;
- if (msc->chunk_offsets[m] > chunk_file_offset) {
- b = m - 1;
- } else {
- a = m;
- }
- }
- msc->next_chunk = a;
- if (msc->chunk_offsets[a] < chunk_file_offset && a < (msc->chunk_count-1))
- msc->next_chunk ++;
- dprintf("Nearest next chunk for stream #%i is #%li @%lli\n", i, msc->next_chunk+1, msc->chunk_offsets[msc->next_chunk]);
-
- // Compute sample count and index in the sample_to_chunk table (what a pity)
- msc->sample_to_chunk_index = 0;
- msc->current_sample = 0;
- for(; msc->sample_to_chunk_index < (msc->sample_to_chunk_sz - 1)
- && msc->sample_to_chunk[msc->sample_to_chunk_index + 1].first <= (1 + msc->next_chunk); msc->sample_to_chunk_index++) {
- msc->current_sample += (msc->sample_to_chunk[msc->sample_to_chunk_index + 1].first - msc->sample_to_chunk[msc->sample_to_chunk_index].first) \
- * msc->sample_to_chunk[msc->sample_to_chunk_index].count;
- }
- msc->current_sample += (msc->next_chunk - (msc->sample_to_chunk[msc->sample_to_chunk_index].first - 1)) * sc->sample_to_chunk[msc->sample_to_chunk_index].count;
- msc->left_in_chunk = msc->sample_to_chunk[msc->sample_to_chunk_index].count - 1;
- // Find corresponding position in stts (used later to compute dts)
- sample = 0;
- start_time = 0;
- for (msc->sample_to_time_index = 0; msc->sample_to_time_index < msc->stts_count; msc->sample_to_time_index++) {
- count = msc->stts_data[msc->sample_to_time_index].count;
- duration = msc->stts_data[msc->sample_to_time_index].duration;
- if ((sample + count - 1) > msc->current_sample) {
- msc->sample_to_time_time = start_time;
- msc->sample_to_time_sample = sample;
- break;
- }
- sample += count;
- start_time += count * duration;
- }
- sample = 0;
- for (msc->sample_to_ctime_index = 0; msc->sample_to_ctime_index < msc->ctts_count; msc->sample_to_ctime_index++) {
- count = msc->ctts_data[msc->sample_to_ctime_index].count;
- duration = msc->ctts_data[msc->sample_to_ctime_index].duration;
- if ((sample + count - 1) > msc->current_sample) {
- msc->sample_to_ctime_sample = sample;
- break;
- }
- sample += count;
- }
- dprintf("Next Sample for stream #%i is #%li @%li\n", i, msc->current_sample + 1, msc->sample_to_chunk_index + 1);
+ for (i = 0; i < s->nb_streams; i++) {
+ st = s->streams[i];
+ if (stream_index == i || st->discard == AVDISCARD_ALL)
+ continue;
+
+ timestamp = av_rescale_q(seek_timestamp, s->streams[stream_index]->time_base, st->time_base);
+ mov_seek_stream(st, timestamp, flags);
}
return 0;
}
-#endif
static int mov_read_close(AVFormatContext *s)
{
/* free color tabs */
for(i=0; i<mov->ctab_size; i++)
av_freep(&mov->ctab[i]);
+ if(mov->dv_demux){
+ for(i=0; i<mov->dv_fctx->nb_streams; i++){
+ av_freep(&mov->dv_fctx->streams[i]->codec);
+ av_freep(&mov->dv_fctx->streams[i]);
+ }
+ av_freep(&mov->dv_fctx);
+ av_freep(&mov->dv_demux);
+ }
av_freep(&mov->ctab);
return 0;
}
-static AVInputFormat mov_iformat = {
- "mov,mp4,m4a,3gp,3g2",
- "QuickTime/MPEG4 format",
+AVInputFormat mov_demuxer = {
+ "mov,mp4,m4a,3gp,3g2,mj2",
+ "QuickTime/MPEG4/Motion JPEG 2000 format",
sizeof(MOVContext),
mov_probe,
mov_read_header,
mov_read_packet,
mov_read_close,
-#if defined(MOV_SEEK)
mov_read_seek,
-#endif
};
-
-int mov_init(void)
-{
- av_register_input_format(&mov_iformat);
- return 0;
-}
projects / ffmpeg / blobdiff