| OLD | NEW |
|---|
| 1 Index: patched-ffmpeg-mt/libavcodec/vp3.c | 1 Only in unpatched_ffmpeg-mt: ffmpeg-mt |
| 2 =================================================================== | 2 diff -rpu unpatched_ffmpeg-mt/libavcodec/Makefile ffmpeg-mt/libavcodec/Makefile |
| 3 --- patched-ffmpeg-mt/libavcodec/vp3.c (revision 40662) | 3 --- unpatched_ffmpeg-mt/libavcodec/Makefile 2010-03-11 17:46:30 -0800 |
| 4 +++ patched-ffmpeg-mt/libavcodec/vp3.c (working copy) | 4 +++ ffmpeg-mt/libavcodec/Makefile 2010-03-11 19:12:33 -0800 |
| 5 @@ -1065,6 +1065,11 @@ | 5 @@ -493,8 +493,7 @@ OBJS-$(CONFIG_MATROSKA_MUXER) + |
| 6 int fragment_num; | 6 OBJS-$(CONFIG_MOV_DEMUXER) += mpeg4audio.o mpegaudiodata.o |
| 7 int *list_head; | 7 OBJS-$(CONFIG_MPEGTS_MUXER) += mpegvideo.o |
| 8 OBJS-$(CONFIG_NUT_MUXER) += mpegaudiodata.o |
| 9 -OBJS-$(CONFIG_OGG_DEMUXER) += flacdec.o flacdata.o flac.o \ |
| 10 - dirac.o mpeg12data.o |
| 11 +OBJS-$(CONFIG_OGG_DEMUXER) += dirac.o mpeg12data.o |
| 12 OBJS-$(CONFIG_OGG_MUXER) += xiph.o flacdec.o flacdata.o flac.o |
| 13 OBJS-$(CONFIG_RTP_MUXER) += mpegvideo.o |
| 14 |
| 15 @@ -564,6 +563,14 @@ OBJS-$(CONFIG_VP3_PARSER) + |
| 16 OBJS-$(CONFIG_AAC_ADTSTOASC_BSF) += aac_adtstoasc_bsf.o |
| 17 OBJS-$(CONFIG_DUMP_EXTRADATA_BSF) += dump_extradata_bsf.o |
| 18 OBJS-$(CONFIG_H264_MP4TOANNEXB_BSF) += h264_mp4toannexb_bsf.o |
| 19 +OBJS-$(CONFIG_MPEG4VIDEO_ES_BSF) += mpeg4video_es_bsf.o \ |
| 20 + mpeg4videoenc.o ituh263enc.o \ |
| 21 + mpegvideo_enc.o motion_est.o \ |
| 22 + ratecontrol.o mpeg12data.o \ |
| 23 + aandcttab.o jfdctfst.o \ |
| 24 + jfdctint.o faandct.o \ |
| 25 + mpeg4video_parser.o mpegvideo.o \ |
| 26 + error_resilience.o |
| 27 OBJS-$(CONFIG_IMX_DUMP_HEADER_BSF) += imx_dump_header_bsf.o |
| 28 OBJS-$(CONFIG_MJPEGA_DUMP_HEADER_BSF) += mjpega_dump_header_bsf.o |
| 29 OBJS-$(CONFIG_MOV2TEXTSUB_BSF) += movsub_bsf.o |
| 30 @@ -573,6 +580,9 @@ OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) |
| 31 OBJS-$(CONFIG_NOISE_BSF) += noise_bsf.o |
| 32 OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += remove_extradata_bsf.o |
| 33 OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o |
| 34 +OBJS-$(CONFIG_VC1_ASFTORCV_BSF) += vc1_asftorcv_bsf.o |
| 35 +OBJS-$(CONFIG_VC1_ASFTOANNEXG_BSF) += vc1_asftoannexg_bsf.o vc1.o \ |
| 36 + vc1data.o |
| 37 |
| 38 # thread libraries |
| 39 OBJS-$(HAVE_BEOSTHREADS) += beosthread.o |
| 40 Only in ffmpeg-mt/libavcodec: Makefile~ |
| 41 diff -rpu unpatched_ffmpeg-mt/libavcodec/allcodecs.c ffmpeg-mt/libavcodec/allcod
ecs.c |
| 42 --- unpatched_ffmpeg-mt/libavcodec/allcodecs.c 2010-03-11 17:46:29 -0800 |
| 43 +++ ffmpeg-mt/libavcodec/allcodecs.c 2010-03-11 19:12:19 -0800 |
| 44 @@ -384,13 +384,15 @@ void avcodec_register_all(void) |
| 45 REGISTER_BSF (AAC_ADTSTOASC, aac_adtstoasc); |
| 46 REGISTER_BSF (DUMP_EXTRADATA, dump_extradata); |
| 47 REGISTER_BSF (H264_MP4TOANNEXB, h264_mp4toannexb); |
| 48 + REGISTER_BSF (MPEG4VIDEO_ES, mpeg4video_es); |
| 49 REGISTER_BSF (IMX_DUMP_HEADER, imx_dump_header); |
| 50 REGISTER_BSF (MJPEGA_DUMP_HEADER, mjpega_dump_header); |
| 51 REGISTER_BSF (MP3_HEADER_COMPRESS, mp3_header_compress); |
| 52 REGISTER_BSF (MP3_HEADER_DECOMPRESS, mp3_header_decompress); |
| 53 + REGISTER_BSF (VC1_ASFTORCV, vc1_asftorcv); |
| 54 + REGISTER_BSF (VC1_ASFTOANNEXG, vc1_asftoannexg); |
| 55 REGISTER_BSF (MOV2TEXTSUB, mov2textsub); |
| 56 REGISTER_BSF (NOISE, noise); |
| 57 REGISTER_BSF (REMOVE_EXTRADATA, remove_extradata); |
| 58 REGISTER_BSF (TEXT2MOVSUB, text2movsub); |
| 59 } |
| 60 - |
| 61 Only in ffmpeg-mt/libavcodec: allcodecs.c~ |
| 62 diff -rpu unpatched_ffmpeg-mt/libavcodec/get_bits.h ffmpeg-mt/libavcodec/get_bit
s.h |
| 63 --- unpatched_ffmpeg-mt/libavcodec/get_bits.h 2010-03-11 17:46:30 -0800 |
| 64 +++ ffmpeg-mt/libavcodec/get_bits.h 2010-03-11 19:13:14 -0800 |
| 65 @@ -53,13 +53,21 @@ |
| 66 /* buffer, buffer_end and size_in_bits must be present and used by every reader
*/ |
| 67 typedef struct GetBitContext { |
| 68 const uint8_t *buffer, *buffer_end; |
| 69 + /* Ugly, but clients of this bit reader do not seem to check for enough |
| 70 + * data before calling. So we'll return 0's on overrun rather than crashing |
| 71 + * with random read faults. |
| 72 + */ |
| 73 + int buffer_exhausted; |
| 74 + int buffer_enforcing; |
| 75 #ifdef ALT_BITSTREAM_READER |
| 76 int index; |
| 77 #elif defined LIBMPEG2_BITSTREAM_READER |
| 78 +#error TODO - secure this against read overrun |
| 79 uint8_t *buffer_ptr; |
| 80 uint32_t cache; |
| 81 int bit_count; |
| 82 #elif defined A32_BITSTREAM_READER |
| 83 +#warning TODO - secure this against read overrun |
| 84 uint32_t *buffer_ptr; |
| 85 uint32_t cache0; |
| 86 uint32_t cache1; |
| 87 @@ -139,13 +147,19 @@ for examples see get_bits, show_bits, sk |
| 88 |
| 89 # ifdef ALT_BITSTREAM_READER_LE |
| 90 # define UPDATE_CACHE(name, gb)\ |
| 91 + if (!(gb)->buffer_exhausted)\ |
| 92 name##_cache= AV_RL32( ((const uint8_t *)(gb)->buffer)+(name##_index>>3
) ) >> (name##_index&0x07);\ |
| 93 + else\ |
| 94 + name##_cache = 0;\ |
| 95 |
| 96 # define SKIP_CACHE(name, gb, num)\ |
| 97 name##_cache >>= (num); |
| 98 # else |
| 99 # define UPDATE_CACHE(name, gb)\ |
| 100 + if (!(gb)->buffer_exhausted)\ |
| 101 name##_cache= AV_RB32( ((const uint8_t *)(gb)->buffer)+(name##_index>>3
) ) << (name##_index&0x07);\ |
| 102 + else\ |
| 103 + name##_cache = 0;\ |
| 104 |
| 105 # define SKIP_CACHE(name, gb, num)\ |
| 106 name##_cache <<= (num); |
| 107 @@ -154,6 +168,8 @@ for examples see get_bits, show_bits, sk |
| 108 // FIXME name? |
| 109 # define SKIP_COUNTER(name, gb, num)\ |
| 110 name##_index += (num);\ |
| 111 + if ((gb)->buffer_enforcing && name##_index >= (gb)->size_in_bits)\ |
| 112 + (gb)->buffer_exhausted = 1;\ |
| 113 |
| 114 # define SKIP_BITS(name, gb, num)\ |
| 115 {\ |
| 116 @@ -187,6 +203,12 @@ static inline int get_bits_count(const G |
| 117 |
| 118 static inline void skip_bits_long(GetBitContext *s, int n){ |
| 119 s->index += n; |
| 120 + if (s->buffer_enforcing) { |
| 121 + if (n < 0 && s->index < s->size_in_bits) |
| 122 + s->buffer_exhausted = 0; |
| 123 + else if (s->index >= s->size_in_bits) |
| 124 + s->buffer_exhausted = 1; |
| 125 + } |
| 126 } |
| 127 |
| 128 #elif defined LIBMPEG2_BITSTREAM_READER |
| 129 @@ -391,7 +413,10 @@ static inline void skip_bits(GetBitConte |
| 130 } |
| 131 |
| 132 static inline unsigned int get_bits1(GetBitContext *s){ |
| 133 + if (s->buffer_exhausted) |
| 134 + return 0; |
| 135 #ifdef ALT_BITSTREAM_READER |
| 136 + { |
| 137 unsigned int index= s->index; |
| 138 uint8_t result= s->buffer[ index>>3 ]; |
| 139 #ifdef ALT_BITSTREAM_READER_LE |
| 140 @@ -402,9 +427,12 @@ static inline unsigned int get_bits1(Get |
| 141 result>>= 8 - 1; |
| 142 #endif |
| 143 index++; |
| 144 + if (s->buffer_enforcing && index >= s->size_in_bits) |
| 145 + s->buffer_exhausted = 1; |
| 146 s->index= index; |
| 147 |
| 148 return result; |
| 149 + } |
| 150 #else |
| 151 return get_bits(s, 1); |
| 152 #endif |
| 153 @@ -482,6 +510,8 @@ static inline void init_get_bits(GetBitC |
| 154 s->buffer= buffer; |
| 155 s->size_in_bits= bit_size; |
| 156 s->buffer_end= buffer + buffer_size; |
| 157 + s->buffer_exhausted = 0; |
| 158 + s->buffer_enforcing = 0; |
| 159 #ifdef ALT_BITSTREAM_READER |
| 160 s->index=0; |
| 161 #elif defined LIBMPEG2_BITSTREAM_READER |
| 162 Only in ffmpeg-mt/libavcodec: get_bits.h~ |
| 163 diff -rpu unpatched_ffmpeg-mt/libavcodec/h264.h ffmpeg-mt/libavcodec/h264.h |
| 164 --- unpatched_ffmpeg-mt/libavcodec/h264.h 2010-03-11 17:46:30 -0800 |
| 165 +++ ffmpeg-mt/libavcodec/h264.h 2010-03-11 19:12:59 -0800 |
| 166 @@ -599,9 +599,20 @@ typedef struct H264Context{ |
| 167 |
| 168 extern const uint8_t ff_h264_chroma_qp[52]; |
| 169 |
| 170 +#if CONFIG_SVQ3_DECODER |
| 171 void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp); |
| 172 |
| 173 void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int d
c); |
| 174 +#else |
| 175 + |
| 176 +#define SVQ3_DISABLED_FUNC { av_log(NULL, AV_LOG_FATAL, "Calling svq3 when disa
bled.\n"); } |
| 177 + |
| 178 +static void inline ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp) SVQ3_
DISABLED_FUNC; |
| 179 + |
| 180 +static void inline ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride,
int qp, int dc) SVQ3_DISABLED_FUNC; |
| 181 + |
| 182 +#endif |
| 183 + |
| 184 |
| 185 /** |
| 186 * Decode SEI |
| 187 Only in ffmpeg-mt/libavcodec: h264.h~ |
| 188 diff -rpu unpatched_ffmpeg-mt/libavcodec/mpeg4video.h ffmpeg-mt/libavcodec/mpeg4
video.h |
| 189 --- unpatched_ffmpeg-mt/libavcodec/mpeg4video.h 2010-03-11 17:46:30 -0800 |
| 190 +++ ffmpeg-mt/libavcodec/mpeg4video.h 2010-03-11 19:12:02 -0800 |
| 191 @@ -91,6 +91,9 @@ void mpeg4_encode_mb(MpegEncContext *s, |
| 192 void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, |
| 193 int dir); |
| 194 void ff_set_mpeg4_time(MpegEncContext * s); |
| 195 +void mpeg4_encode_gop_header(MpegEncContext * s); |
| 196 +void mpeg4_encode_visual_object_header(MpegEncContext * s); |
| 197 +void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number)
; |
| 198 void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number); |
| 199 |
| 200 int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb); |
| 201 Only in ffmpeg-mt/libavcodec: mpeg4video.h~ |
| 202 Only in ffmpeg-mt/libavcodec: mpeg4video_es_bsf.c |
| 203 diff -rpu unpatched_ffmpeg-mt/libavcodec/mpeg4videoenc.c ffmpeg-mt/libavcodec/mp
eg4videoenc.c |
| 204 --- unpatched_ffmpeg-mt/libavcodec/mpeg4videoenc.c 2010-03-11 17:46:30 -080
0 |
| 205 +++ ffmpeg-mt/libavcodec/mpeg4videoenc.c 2010-03-11 19:12:02 -0800 |
| 206 @@ -872,7 +872,7 @@ void ff_set_mpeg4_time(MpegEncContext * |
| 207 } |
| 208 } |
| 209 |
| 210 -static void mpeg4_encode_gop_header(MpegEncContext * s){ |
| 211 +void mpeg4_encode_gop_header(MpegEncContext * s){ |
| 212 int hours, minutes, seconds; |
| 213 int64_t time; |
| 214 |
| 215 @@ -902,7 +902,7 @@ static void mpeg4_encode_gop_header(Mpeg |
| 216 ff_mpeg4_stuffing(&s->pb); |
| 217 } |
| 218 |
| 219 -static void mpeg4_encode_visual_object_header(MpegEncContext * s){ |
| 220 +void mpeg4_encode_visual_object_header(MpegEncContext * s){ |
| 221 int profile_and_level_indication; |
| 222 int vo_ver_id; |
| 223 |
| 224 @@ -947,7 +947,7 @@ static void mpeg4_encode_visual_object_h |
| 225 ff_mpeg4_stuffing(&s->pb); |
| 226 } |
| 227 |
| 228 -static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_
number) |
| 229 +void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number) |
| 230 { |
| 231 int vo_ver_id; |
| 232 |
| 233 Only in ffmpeg-mt/libavcodec: vc1_asftoannexg_bsf.c |
| 234 Only in ffmpeg-mt/libavcodec: vc1_asftorcv_bsf.c |
| 235 diff -rpu unpatched_ffmpeg-mt/libavcodec/vp3.c ffmpeg-mt/libavcodec/vp3.c |
| 236 --- unpatched_ffmpeg-mt/libavcodec/vp3.c 2010-03-11 17:46:30 -0800 |
| 237 +++ ffmpeg-mt/libavcodec/vp3.c 2010-03-11 19:13:21 -0800 |
| 238 @@ -922,6 +922,11 @@ static int unpack_vlcs(Vp3DecodeContext |
| 239 int num_coeffs = s->num_coded_frags[plane][coeff_index]; |
| 240 int16_t *dct_tokens = s->dct_tokens[plane][coeff_index]; |
| 8 | 241 |
| 9 +#ifdef ALT_BITSTREAM_READER | 242 +#ifdef ALT_BITSTREAM_READER |
| 10 + if (gb->buffer_exhausted && gb->index > gb->size_in_bits) | 243 + if (gb->buffer_exhausted && gb->index > gb->size_in_bits) |
| 11 + return 0; | 244 + return 0; |
| 12 +#endif | 245 +#endif |
| 13 + | 246 + |
| 14 /* local references to structure members to avoid repeated deferences */ | 247 /* local references to structure members to avoid repeated deferences */ |
| 15 uint8_t *perm= s->scantable.permutated; | 248 int *coded_fragment_list = s->coded_fragment_list[plane]; |
| 16 int *coded_fragment_list = s->coded_fragment_list; | 249 Vp3Fragment *all_fragments = s->all_fragments; |
| 17 @@ -1218,6 +1223,11 @@ | 250 @@ -1099,6 +1104,11 @@ static int unpack_dct_coeffs(Vp3DecodeCo |
| 18 0, residual_eob_run); | 251 2, residual_eob_run); |
| 19 } | 252 } |
| 20 | 253 |
| 21 +#ifdef ALT_BITSTREAM_READER | 254 +#ifdef ALT_BITSTREAM_READER |
| 22 + if (gb->buffer_exhausted && gb->index > gb->size_in_bits) | 255 + if (gb->buffer_exhausted && gb->index > gb->size_in_bits) |
| 23 + return 1; | 256 + return 1; |
| 24 +#endif | 257 +#endif |
| 25 + | 258 + |
| 26 return 0; | 259 return 0; |
| 27 } | 260 } |
| 28 | 261 |
| 29 @@ -2056,6 +2066,7 @@ | 262 @@ -1882,6 +1892,7 @@ static int vp3_decode_frame(AVCodecConte |
| 30 int i; | 263 int i; |
| 31 | 264 |
| 32 init_get_bits(&gb, buf, buf_size * 8); | 265 init_get_bits(&gb, buf, buf_size * 8); |
| 33 + gb.buffer_enforcing = 1; | 266 + gb.buffer_enforcing = 1; |
| 34 | 267 |
| 35 if (s->theora && get_bits1(&gb)) | 268 if (s->theora && get_bits1(&gb)) |
| 36 { | 269 { |
| 37 @@ -2486,6 +2497,7 @@ | 270 @@ -2305,6 +2316,7 @@ static av_cold int theora_decode_init(AV |
| 38 | 271 |
| 39 for(i=0;i<3;i++) { | 272 for(i=0;i<3;i++) { |
| 40 init_get_bits(&gb, header_start[i], header_len[i] * 8); | 273 init_get_bits(&gb, header_start[i], header_len[i] * 8); |
| 41 + gb.buffer_enforcing = 1; | 274 + gb.buffer_enforcing = 1; |
| 42 | 275 |
| 43 ptype = get_bits(&gb, 8); | 276 ptype = get_bits(&gb, 8); |
| 44 | 277 |
| 278 Only in ffmpeg-mt/libavcodec: vp3.c~ |
| 279 diff -rpu unpatched_ffmpeg-mt/libavformat/Makefile ffmpeg-mt/libavformat/Makefil
e |
| 280 --- unpatched_ffmpeg-mt/libavformat/Makefile 2010-03-11 17:46:31 -0800 |
| 281 +++ ffmpeg-mt/libavformat/Makefile 2010-03-11 19:12:33 -0800 |
| 282 @@ -141,13 +141,13 @@ OBJS-$(CONFIG_NUT_DEMUXER) |
| 283 OBJS-$(CONFIG_NUT_MUXER) += nutenc.o nut.o riff.o |
| 284 OBJS-$(CONFIG_NUV_DEMUXER) += nuv.o riff.o |
| 285 OBJS-$(CONFIG_OGG_DEMUXER) += oggdec.o \ |
| 286 - oggparsedirac.o \ |
| 287 - oggparseflac.o \ |
| 288 oggparseogm.o \ |
| 289 - oggparsespeex.o \ |
| 290 oggparsetheora.o \ |
| 291 oggparsevorbis.o \ |
| 292 riff.o |
| 293 +OBJS-$(CONFIG_DIRAC_DEMUXER) += oggparsedirac.o |
| 294 +OBJS-$(CONFIG_FLAC_DECODER) += oggparseflac.o |
| 295 +OBJS-$(CONFIG_LIBSPEEX) += oggparsespeex.o |
| 296 OBJS-$(CONFIG_OGG_MUXER) += oggenc.o |
| 297 OBJS-$(CONFIG_OMA_DEMUXER) += oma.o raw.o |
| 298 OBJS-$(CONFIG_PCM_ALAW_DEMUXER) += raw.o |
| 299 diff -rpu unpatched_ffmpeg-mt/libavformat/mov.c ffmpeg-mt/libavformat/mov.c |
| 300 --- unpatched_ffmpeg-mt/libavformat/mov.c 2010-03-11 17:46:31 -0800 |
| 301 +++ ffmpeg-mt/libavformat/mov.c 2010-03-11 19:08:40 -0800 |
| 302 @@ -312,6 +312,8 @@ static int mov_read_dref(MOVContext *c, |
| 303 MOVDref *dref = &sc->drefs[i]; |
| 304 uint32_t size = get_be32(pb); |
| 305 int64_t next = url_ftell(pb) + size - 4; |
| 306 + if (size < 8) |
| 307 + return -1; |
| 308 |
| 309 dref->type = get_le32(pb); |
| 310 get_be32(pb); // version + flags |
| 311 Only in ffmpeg-mt/libavformat: mov.c~ |
| 312 diff -rpu unpatched_ffmpeg-mt/libavformat/oggdec.c ffmpeg-mt/libavformat/oggdec.
c |
| 313 --- unpatched_ffmpeg-mt/libavformat/oggdec.c 2010-03-11 17:46:31 -0800 |
| 314 +++ ffmpeg-mt/libavformat/oggdec.c 2010-03-11 19:12:46 -0800 |
| 315 @@ -38,13 +38,23 @@ |
| 316 #define DECODER_BUFFER_SIZE MAX_PAGE_SIZE |
| 317 |
| 318 static const struct ogg_codec * const ogg_codecs[] = { |
| 319 +#if CONFIG_DIRAC_DEMUXER |
| 320 &ff_dirac_codec, |
| 321 +#endif |
| 322 +#if CONFIG_LIBSPEEX |
| 323 &ff_speex_codec, |
| 324 +#endif |
| 325 &ff_vorbis_codec, |
| 326 &ff_theora_codec, |
| 327 +#if CONFIG_FLAC_DECODER |
| 328 &ff_flac_codec, |
| 329 +#endif |
| 330 +#if CONFIG_DIRAC_DEMUXER |
| 331 &ff_old_dirac_codec, |
| 332 +#endif |
| 333 +#if CONFIG_FLAC_DECODER |
| 334 &ff_old_flac_codec, |
| 335 +#endif |
| 336 &ff_ogm_video_codec, |
| 337 &ff_ogm_audio_codec, |
| 338 &ff_ogm_text_codec, |
| 339 @@ -200,7 +210,7 @@ ogg_new_buf(struct ogg *ogg, int idx) |
| 340 } |
| 341 |
| 342 static int |
| 343 -ogg_read_page (AVFormatContext * s, int *str) |
| 344 +ogg_read_page (AVFormatContext * s, int *str, int64_t *offset) |
| 345 { |
| 346 ByteIOContext *bc = s->pb; |
| 347 struct ogg *ogg = s->priv_data; |
| 348 @@ -214,6 +224,7 @@ ogg_read_page (AVFormatContext * s, int |
| 349 int size, idx; |
| 350 uint8_t sync[4]; |
| 351 int sp = 0; |
| 352 + int64_t poffset = url_ftell(bc); |
| 353 |
| 354 if (get_buffer (bc, sync, 4) < 4) |
| 355 return -1; |
| 356 @@ -298,18 +309,22 @@ ogg_read_page (AVFormatContext * s, int |
| 357 |
| 358 if (str) |
| 359 *str = idx; |
| 360 + if (offset) |
| 361 + *offset = poffset; |
| 362 |
| 363 return 0; |
| 364 } |
| 365 |
| 366 static int |
| 367 -ogg_packet (AVFormatContext * s, int *str, int *dstart, int *dsize) |
| 368 +ogg_packet (AVFormatContext * s, int *str, int *dstart, int *dsize, int64_t* of
fset) |
| 369 { |
| 370 struct ogg *ogg = s->priv_data; |
| 371 int idx, i; |
| 372 struct ogg_stream *os; |
| 373 int complete = 0; |
| 374 int segp = 0, psize = 0; |
| 375 + int64_t poffset; |
| 376 + int pnum = 0; |
| 377 |
| 378 #if 0 |
| 379 av_log (s, AV_LOG_DEBUG, "ogg_packet: curidx=%i\n", ogg->curidx); |
| 380 @@ -319,10 +334,13 @@ ogg_packet (AVFormatContext * s, int *st |
| 381 idx = ogg->curidx; |
| 382 |
| 383 while (idx < 0){ |
| 384 - if (ogg_read_page (s, &idx) < 0) |
| 385 + if (ogg_read_page (s, &idx, &poffset) < 0) |
| 386 return -1; |
| 387 } |
| 388 |
| 389 + if (pnum++ == 0 && offset) |
| 390 + *offset = poffset; |
| 391 + |
| 392 os = ogg->streams + idx; |
| 393 |
| 394 #if 0 |
| 395 @@ -418,12 +436,15 @@ static int |
| 396 ogg_get_headers (AVFormatContext * s) |
| 397 { |
| 398 struct ogg *ogg = s->priv_data; |
| 399 + int64_t pos = 0; |
| 400 |
| 401 do{ |
| 402 - if (ogg_packet (s, NULL, NULL, NULL) < 0) |
| 403 + if (ogg_packet (s, NULL, NULL, NULL, &pos) < 0) |
| 404 return -1; |
| 405 }while (!ogg->headers); |
| 406 |
| 407 + s->data_offset = pos; |
| 408 + |
| 409 #if 0 |
| 410 av_log (s, AV_LOG_DEBUG, "found headers\n"); |
| 411 #endif |
| 412 @@ -472,7 +493,7 @@ ogg_get_length (AVFormatContext * s) |
| 413 ogg_save (s); |
| 414 url_fseek (s->pb, end, SEEK_SET); |
| 415 |
| 416 - while (!ogg_read_page (s, &i)){ |
| 417 + while (!ogg_read_page (s, &i, NULL)){ |
| 418 if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 && |
| 419 ogg->streams[i].codec) |
| 420 idx = i; |
| 421 @@ -523,7 +544,7 @@ ogg_read_packet (AVFormatContext * s, AV |
| 422 |
| 423 //Get an ogg packet |
| 424 do{ |
| 425 - if (ogg_packet (s, &idx, &pstart, &psize) < 0) |
| 426 + if (ogg_packet (s, &idx, &pstart, &psize, NULL) < 0) |
| 427 return AVERROR(EIO); |
| 428 }while (idx < 0 || !s->streams[idx]); |
| 429 |
| 430 @@ -585,14 +606,17 @@ ogg_read_timestamp (AVFormatContext * s, |
| 431 ByteIOContext *bc = s->pb; |
| 432 int64_t pts = AV_NOPTS_VALUE; |
| 433 int i; |
| 434 + int64_t fpoffset = AV_NOPTS_VALUE; |
| 435 + int64_t poffset; |
| 436 url_fseek(bc, *pos_arg, SEEK_SET); |
| 437 - while (url_ftell(bc) < pos_limit && !ogg_read_page (s, &i)) { |
| 438 + while (url_ftell(bc) < pos_limit && !ogg_read_page (s, &i, &poffset)) { |
| 439 + if (fpoffset == AV_NOPTS_VALUE && i == stream_index) |
| 440 + fpoffset = poffset; |
| 441 if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 && |
| 442 ogg->streams[i].codec && i == stream_index) { |
| 443 pts = ogg_gptopts(s, i, ogg->streams[i].granule, NULL); |
| 444 - // FIXME: this is the position of the packet after the one with abo
ve |
| 445 - // pts. |
| 446 - *pos_arg = url_ftell(bc); |
| 447 + *pos_arg = fpoffset; |
| 448 + url_fseek(bc, fpoffset, SEEK_SET); |
| 449 break; |
| 450 } |
| 451 } |
| 452 Only in ffmpeg-mt/libavformat: oggdec.c~ |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 789004:
ffmpeg roll of source to mar 9 version... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/