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1 /*
2  * Various pretty-printing functions for use within FFmpeg
3  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include <stdio.h>
23 #include <stdint.h>
24 
25 #include "libavutil/channel_layout.h"
26 #include "libavutil/display.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/log.h"
29 #include "libavutil/mastering_display_metadata.h"
30 #include "libavutil/dovi_meta.h"
31 #include "libavutil/mathematics.h"
32 #include "libavutil/opt.h"
33 #include "libavutil/avstring.h"
34 #include "libavutil/replaygain.h"
35 #include "libavutil/spherical.h"
36 #include "libavutil/stereo3d.h"
37 #include "libavutil/timecode.h"
38 
39 #include "avformat.h"
40 #include "internal.h"
41 
42 #define HEXDUMP_PRINT(...)                                                    \
43     do {                                                                      \
44         if (!f)                                                               \
45             av_log(avcl, level, __VA_ARGS__);                                 \
46         else                                                                  \
47             fprintf(f, __VA_ARGS__);                                          \
48     } while (0)
49 
hex_dump_internal(void * avcl,FILE * f,int level,const uint8_t * buf,int size)50 static void hex_dump_internal(void *avcl, FILE *f, int level,
51                               const uint8_t *buf, int size)
52 {
53     int len, i, j, c;
54 
55     for (i = 0; i < size; i += 16) {
56         len = size - i;
57         if (len > 16)
58             len = 16;
59         HEXDUMP_PRINT("%08x ", i);
60         for (j = 0; j < 16; j++) {
61             if (j < len)
62                 HEXDUMP_PRINT(" %02x", buf[i + j]);
63             else
64                 HEXDUMP_PRINT("   ");
65         }
66         HEXDUMP_PRINT(" ");
67         for (j = 0; j < len; j++) {
68             c = buf[i + j];
69             if (c < ' ' || c > '~')
70                 c = '.';
71             HEXDUMP_PRINT("%c", c);
72         }
73         HEXDUMP_PRINT("\n");
74     }
75 }
76 
av_hex_dump(FILE * f,const uint8_t * buf,int size)77 void av_hex_dump(FILE *f, const uint8_t *buf, int size)
78 {
79     hex_dump_internal(NULL, f, 0, buf, size);
80 }
81 
av_hex_dump_log(void * avcl,int level,const uint8_t * buf,int size)82 void av_hex_dump_log(void *avcl, int level, const uint8_t *buf, int size)
83 {
84     hex_dump_internal(avcl, NULL, level, buf, size);
85 }
86 
pkt_dump_internal(void * avcl,FILE * f,int level,const AVPacket * pkt,int dump_payload,AVRational time_base)87 static void pkt_dump_internal(void *avcl, FILE *f, int level, const AVPacket *pkt,
88                               int dump_payload, AVRational time_base)
89 {
90     HEXDUMP_PRINT("stream #%d:\n", pkt->stream_index);
91     HEXDUMP_PRINT("  keyframe=%d\n", (pkt->flags & AV_PKT_FLAG_KEY) != 0);
92     HEXDUMP_PRINT("  duration=%0.3f\n", pkt->duration * av_q2d(time_base));
93     /* DTS is _always_ valid after av_read_frame() */
94     HEXDUMP_PRINT("  dts=");
95     if (pkt->dts == AV_NOPTS_VALUE)
96         HEXDUMP_PRINT("N/A");
97     else
98         HEXDUMP_PRINT("%0.3f", pkt->dts * av_q2d(time_base));
99     /* PTS may not be known if B-frames are present. */
100     HEXDUMP_PRINT("  pts=");
101     if (pkt->pts == AV_NOPTS_VALUE)
102         HEXDUMP_PRINT("N/A");
103     else
104         HEXDUMP_PRINT("%0.3f", pkt->pts * av_q2d(time_base));
105     HEXDUMP_PRINT("\n");
106     HEXDUMP_PRINT("  size=%d\n", pkt->size);
107     if (dump_payload)
108         hex_dump_internal(avcl, f, level, pkt->data, pkt->size);
109 }
110 
av_pkt_dump2(FILE * f,const AVPacket * pkt,int dump_payload,const AVStream * st)111 void av_pkt_dump2(FILE *f, const AVPacket *pkt, int dump_payload, const AVStream *st)
112 {
113     pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base);
114 }
115 
av_pkt_dump_log2(void * avcl,int level,const AVPacket * pkt,int dump_payload,const AVStream * st)116 void av_pkt_dump_log2(void *avcl, int level, const AVPacket *pkt, int dump_payload,
117                       const AVStream *st)
118 {
119     pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, st->time_base);
120 }
121 
122 
print_fps(double d,const char * postfix)123 static void print_fps(double d, const char *postfix)
124 {
125     uint64_t v = lrintf(d * 100);
126     if (!v)
127         av_log(NULL, AV_LOG_INFO, "%1.4f %s", d, postfix);
128     else if (v % 100)
129         av_log(NULL, AV_LOG_INFO, "%3.2f %s", d, postfix);
130     else if (v % (100 * 1000))
131         av_log(NULL, AV_LOG_INFO, "%1.0f %s", d, postfix);
132     else
133         av_log(NULL, AV_LOG_INFO, "%1.0fk %s", d / 1000, postfix);
134 }
135 
dump_metadata(void * ctx,const AVDictionary * m,const char * indent)136 static void dump_metadata(void *ctx, const AVDictionary *m, const char *indent)
137 {
138     if (m && !(av_dict_count(m) == 1 && av_dict_get(m, "language", NULL, 0))) {
139         const AVDictionaryEntry *tag = NULL;
140 
141         av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);
142         while ((tag = av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX)))
143             if (strcmp("language", tag->key)) {
144                 const char *p = tag->value;
145                 av_log(ctx, AV_LOG_INFO,
146                        "%s  %-16s: ", indent, tag->key);
147                 while (*p) {
148                     char tmp[256];
149                     size_t len = strcspn(p, "\x8\xa\xb\xc\xd");
150                     av_strlcpy(tmp, p, FFMIN(sizeof(tmp), len+1));
151                     av_log(ctx, AV_LOG_INFO, "%s", tmp);
152                     p += len;
153                     if (*p == 0xd) av_log(ctx, AV_LOG_INFO, " ");
154                     if (*p == 0xa) av_log(ctx, AV_LOG_INFO, "\n%s  %-16s: ", indent, "");
155                     if (*p) p++;
156                 }
157                 av_log(ctx, AV_LOG_INFO, "\n");
158             }
159     }
160 }
161 
162 /* param change side data*/
dump_paramchange(void * ctx,const AVPacketSideData * sd)163 static void dump_paramchange(void *ctx, const AVPacketSideData *sd)
164 {
165     int size = sd->size;
166     const uint8_t *data = sd->data;
167     uint32_t flags, sample_rate, width, height;
168 #if FF_API_OLD_CHANNEL_LAYOUT
169     uint32_t channels;
170     uint64_t layout;
171 #endif
172 
173     if (!data || sd->size < 4)
174         goto fail;
175 
176     flags = AV_RL32(data);
177     data += 4;
178     size -= 4;
179 
180 #if FF_API_OLD_CHANNEL_LAYOUT
181 FF_DISABLE_DEPRECATION_WARNINGS
182     if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
183         if (size < 4)
184             goto fail;
185         channels = AV_RL32(data);
186         data += 4;
187         size -= 4;
188         av_log(ctx, AV_LOG_INFO, "channel count %"PRIu32", ", channels);
189     }
190     if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
191         if (size < 8)
192             goto fail;
193         layout = AV_RL64(data);
194         data += 8;
195         size -= 8;
196         av_log(ctx, AV_LOG_INFO,
197                "channel layout: %s, ", av_get_channel_name(layout));
198     }
199 FF_ENABLE_DEPRECATION_WARNINGS
200 #endif /* FF_API_OLD_CHANNEL_LAYOUT */
201     if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
202         if (size < 4)
203             goto fail;
204         sample_rate = AV_RL32(data);
205         data += 4;
206         size -= 4;
207         av_log(ctx, AV_LOG_INFO, "sample_rate %"PRIu32", ", sample_rate);
208     }
209     if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
210         if (size < 8)
211             goto fail;
212         width = AV_RL32(data);
213         data += 4;
214         size -= 4;
215         height = AV_RL32(data);
216         data += 4;
217         size -= 4;
218         av_log(ctx, AV_LOG_INFO, "width %"PRIu32" height %"PRIu32, width, height);
219     }
220 
221     return;
222 fail:
223     av_log(ctx, AV_LOG_ERROR, "unknown param\n");
224 }
225 
226 /* replaygain side data*/
print_gain(void * ctx,const char * str,int32_t gain)227 static void print_gain(void *ctx, const char *str, int32_t gain)
228 {
229     av_log(ctx, AV_LOG_INFO, "%s - ", str);
230     if (gain == INT32_MIN)
231         av_log(ctx, AV_LOG_INFO, "unknown");
232     else
233         av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);
234     av_log(ctx, AV_LOG_INFO, ", ");
235 }
236 
print_peak(void * ctx,const char * str,uint32_t peak)237 static void print_peak(void *ctx, const char *str, uint32_t peak)
238 {
239     av_log(ctx, AV_LOG_INFO, "%s - ", str);
240     if (!peak)
241         av_log(ctx, AV_LOG_INFO, "unknown");
242     else
243         av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX);
244     av_log(ctx, AV_LOG_INFO, ", ");
245 }
246 
dump_replaygain(void * ctx,const AVPacketSideData * sd)247 static void dump_replaygain(void *ctx, const AVPacketSideData *sd)
248 {
249     const AVReplayGain *rg;
250 
251     if (sd->size < sizeof(*rg)) {
252         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
253         return;
254     }
255     rg = (const AVReplayGain *)sd->data;
256 
257     print_gain(ctx, "track gain", rg->track_gain);
258     print_peak(ctx, "track peak", rg->track_peak);
259     print_gain(ctx, "album gain", rg->album_gain);
260     print_peak(ctx, "album peak", rg->album_peak);
261 }
262 
dump_stereo3d(void * ctx,const AVPacketSideData * sd)263 static void dump_stereo3d(void *ctx, const AVPacketSideData *sd)
264 {
265     const AVStereo3D *stereo;
266 
267     if (sd->size < sizeof(*stereo)) {
268         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
269         return;
270     }
271 
272     stereo = (const AVStereo3D *)sd->data;
273 
274     av_log(ctx, AV_LOG_INFO, "%s", av_stereo3d_type_name(stereo->type));
275 
276     if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
277         av_log(ctx, AV_LOG_INFO, " (inverted)");
278 }
279 
dump_audioservicetype(void * ctx,const AVPacketSideData * sd)280 static void dump_audioservicetype(void *ctx, const AVPacketSideData *sd)
281 {
282     const enum AVAudioServiceType *ast = (const enum AVAudioServiceType *)sd->data;
283 
284     if (sd->size < sizeof(*ast)) {
285         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
286         return;
287     }
288 
289     switch (*ast) {
290     case AV_AUDIO_SERVICE_TYPE_MAIN:
291         av_log(ctx, AV_LOG_INFO, "main");
292         break;
293     case AV_AUDIO_SERVICE_TYPE_EFFECTS:
294         av_log(ctx, AV_LOG_INFO, "effects");
295         break;
296     case AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED:
297         av_log(ctx, AV_LOG_INFO, "visually impaired");
298         break;
299     case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED:
300         av_log(ctx, AV_LOG_INFO, "hearing impaired");
301         break;
302     case AV_AUDIO_SERVICE_TYPE_DIALOGUE:
303         av_log(ctx, AV_LOG_INFO, "dialogue");
304         break;
305     case AV_AUDIO_SERVICE_TYPE_COMMENTARY:
306         av_log(ctx, AV_LOG_INFO, "commentary");
307         break;
308     case AV_AUDIO_SERVICE_TYPE_EMERGENCY:
309         av_log(ctx, AV_LOG_INFO, "emergency");
310         break;
311     case AV_AUDIO_SERVICE_TYPE_VOICE_OVER:
312         av_log(ctx, AV_LOG_INFO, "voice over");
313         break;
314     case AV_AUDIO_SERVICE_TYPE_KARAOKE:
315         av_log(ctx, AV_LOG_INFO, "karaoke");
316         break;
317     default:
318         av_log(ctx, AV_LOG_WARNING, "unknown");
319         break;
320     }
321 }
322 
dump_cpb(void * ctx,const AVPacketSideData * sd)323 static void dump_cpb(void *ctx, const AVPacketSideData *sd)
324 {
325     const AVCPBProperties *cpb = (const AVCPBProperties *)sd->data;
326 
327     if (sd->size < sizeof(*cpb)) {
328         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
329         return;
330     }
331 
332     av_log(ctx, AV_LOG_INFO,
333            "bitrate max/min/avg: %"PRId64"/%"PRId64"/%"PRId64" buffer size: %"PRId64" ",
334            cpb->max_bitrate, cpb->min_bitrate, cpb->avg_bitrate,
335            cpb->buffer_size);
336     if (cpb->vbv_delay == UINT64_MAX)
337         av_log(ctx, AV_LOG_INFO, "vbv_delay: N/A");
338     else
339         av_log(ctx, AV_LOG_INFO, "vbv_delay: %"PRIu64"", cpb->vbv_delay);
340 }
341 
dump_mastering_display_metadata(void * ctx,const AVPacketSideData * sd)342 static void dump_mastering_display_metadata(void *ctx, const AVPacketSideData *sd)
343 {
344     const AVMasteringDisplayMetadata *metadata =
345         (const AVMasteringDisplayMetadata *)sd->data;
346     av_log(ctx, AV_LOG_INFO, "Mastering Display Metadata, "
347            "has_primaries:%d has_luminance:%d "
348            "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f) "
349            "min_luminance=%f, max_luminance=%f",
350            metadata->has_primaries, metadata->has_luminance,
351            av_q2d(metadata->display_primaries[0][0]),
352            av_q2d(metadata->display_primaries[0][1]),
353            av_q2d(metadata->display_primaries[1][0]),
354            av_q2d(metadata->display_primaries[1][1]),
355            av_q2d(metadata->display_primaries[2][0]),
356            av_q2d(metadata->display_primaries[2][1]),
357            av_q2d(metadata->white_point[0]), av_q2d(metadata->white_point[1]),
358            av_q2d(metadata->min_luminance), av_q2d(metadata->max_luminance));
359 }
360 
dump_content_light_metadata(void * ctx,const AVPacketSideData * sd)361 static void dump_content_light_metadata(void *ctx, const AVPacketSideData *sd)
362 {
363     const AVContentLightMetadata *metadata =
364         (const AVContentLightMetadata *)sd->data;
365     av_log(ctx, AV_LOG_INFO, "Content Light Level Metadata, "
366            "MaxCLL=%d, MaxFALL=%d",
367            metadata->MaxCLL, metadata->MaxFALL);
368 }
369 
dump_spherical(void * ctx,const AVCodecParameters * par,const AVPacketSideData * sd)370 static void dump_spherical(void *ctx, const AVCodecParameters *par,
371                            const AVPacketSideData *sd)
372 {
373     const AVSphericalMapping *spherical = (const AVSphericalMapping *)sd->data;
374     double yaw, pitch, roll;
375 
376     if (sd->size < sizeof(*spherical)) {
377         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
378         return;
379     }
380 
381     av_log(ctx, AV_LOG_INFO, "%s ", av_spherical_projection_name(spherical->projection));
382 
383     yaw = ((double)spherical->yaw) / (1 << 16);
384     pitch = ((double)spherical->pitch) / (1 << 16);
385     roll = ((double)spherical->roll) / (1 << 16);
386     av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
387 
388     if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
389         size_t l, t, r, b;
390         av_spherical_tile_bounds(spherical, par->width, par->height,
391                                  &l, &t, &r, &b);
392         av_log(ctx, AV_LOG_INFO,
393                "[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
394                l, t, r, b);
395     } else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
396         av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
397     }
398 }
399 
dump_dovi_conf(void * ctx,const AVPacketSideData * sd)400 static void dump_dovi_conf(void *ctx, const AVPacketSideData *sd)
401 {
402     const AVDOVIDecoderConfigurationRecord *dovi =
403         (const AVDOVIDecoderConfigurationRecord *)sd->data;
404 
405     av_log(ctx, AV_LOG_INFO, "version: %d.%d, profile: %d, level: %d, "
406            "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d",
407            dovi->dv_version_major, dovi->dv_version_minor,
408            dovi->dv_profile, dovi->dv_level,
409            dovi->rpu_present_flag,
410            dovi->el_present_flag,
411            dovi->bl_present_flag,
412            dovi->dv_bl_signal_compatibility_id);
413 }
414 
dump_s12m_timecode(void * ctx,const AVStream * st,const AVPacketSideData * sd)415 static void dump_s12m_timecode(void *ctx, const AVStream *st, const AVPacketSideData *sd)
416 {
417     const uint32_t *tc = (const uint32_t *)sd->data;
418 
419     if ((sd->size != sizeof(uint32_t) * 4) || (tc[0] > 3)) {
420         av_log(ctx, AV_LOG_ERROR, "invalid data\n");
421         return;
422     }
423 
424     for (int j = 1; j <= tc[0]; j++) {
425         char tcbuf[AV_TIMECODE_STR_SIZE];
426         av_timecode_make_smpte_tc_string2(tcbuf, st->avg_frame_rate, tc[j], 0, 0);
427         av_log(ctx, AV_LOG_INFO, "timecode - %s%s", tcbuf, j != tc[0] ? ", " : "");
428     }
429 }
430 
dump_sidedata(void * ctx,const AVStream * st,const char * indent)431 static void dump_sidedata(void *ctx, const AVStream *st, const char *indent)
432 {
433     int i;
434 
435     if (st->nb_side_data)
436         av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent);
437 
438     for (i = 0; i < st->nb_side_data; i++) {
439         const AVPacketSideData *sd = &st->side_data[i];
440         av_log(ctx, AV_LOG_INFO, "%s  ", indent);
441 
442         switch (sd->type) {
443         case AV_PKT_DATA_PALETTE:
444             av_log(ctx, AV_LOG_INFO, "palette");
445             break;
446         case AV_PKT_DATA_NEW_EXTRADATA:
447             av_log(ctx, AV_LOG_INFO, "new extradata");
448             break;
449         case AV_PKT_DATA_PARAM_CHANGE:
450             av_log(ctx, AV_LOG_INFO, "paramchange: ");
451             dump_paramchange(ctx, sd);
452             break;
453         case AV_PKT_DATA_H263_MB_INFO:
454             av_log(ctx, AV_LOG_INFO, "H.263 macroblock info");
455             break;
456         case AV_PKT_DATA_REPLAYGAIN:
457             av_log(ctx, AV_LOG_INFO, "replaygain: ");
458             dump_replaygain(ctx, sd);
459             break;
460         case AV_PKT_DATA_DISPLAYMATRIX:
461             av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
462                    av_display_rotation_get((const int32_t *)sd->data));
463             break;
464         case AV_PKT_DATA_STEREO3D:
465             av_log(ctx, AV_LOG_INFO, "stereo3d: ");
466             dump_stereo3d(ctx, sd);
467             break;
468         case AV_PKT_DATA_AUDIO_SERVICE_TYPE:
469             av_log(ctx, AV_LOG_INFO, "audio service type: ");
470             dump_audioservicetype(ctx, sd);
471             break;
472         case AV_PKT_DATA_QUALITY_STATS:
473             av_log(ctx, AV_LOG_INFO, "quality factor: %"PRId32", pict_type: %c",
474                    AV_RL32(sd->data), av_get_picture_type_char(sd->data[4]));
475             break;
476         case AV_PKT_DATA_CPB_PROPERTIES:
477             av_log(ctx, AV_LOG_INFO, "cpb: ");
478             dump_cpb(ctx, sd);
479             break;
480         case AV_PKT_DATA_MASTERING_DISPLAY_METADATA:
481             dump_mastering_display_metadata(ctx, sd);
482             break;
483         case AV_PKT_DATA_SPHERICAL:
484             av_log(ctx, AV_LOG_INFO, "spherical: ");
485             dump_spherical(ctx, st->codecpar, sd);
486             break;
487         case AV_PKT_DATA_CONTENT_LIGHT_LEVEL:
488             dump_content_light_metadata(ctx, sd);
489             break;
490         case AV_PKT_DATA_ICC_PROFILE:
491             av_log(ctx, AV_LOG_INFO, "ICC Profile");
492             break;
493         case AV_PKT_DATA_DOVI_CONF:
494             av_log(ctx, AV_LOG_INFO, "DOVI configuration record: ");
495             dump_dovi_conf(ctx, sd);
496             break;
497         case AV_PKT_DATA_S12M_TIMECODE:
498             av_log(ctx, AV_LOG_INFO, "SMPTE ST 12-1:2014: ");
499             dump_s12m_timecode(ctx, st, sd);
500             break;
501         default:
502             av_log(ctx, AV_LOG_INFO, "unknown side data type %d "
503                    "(%"SIZE_SPECIFIER" bytes)", sd->type, sd->size);
504             break;
505         }
506 
507         av_log(ctx, AV_LOG_INFO, "\n");
508     }
509 }
510 
511 /* "user interface" functions */
dump_stream_format(const AVFormatContext * ic,int i,int index,int is_output)512 static void dump_stream_format(const AVFormatContext *ic, int i,
513                                int index, int is_output)
514 {
515     char buf[256];
516     int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
517     const AVStream *st = ic->streams[i];
518     const FFStream *const sti = cffstream(st);
519     const AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
520     const char *separator = ic->dump_separator;
521     AVCodecContext *avctx;
522     int ret;
523 
524     avctx = avcodec_alloc_context3(NULL);
525     if (!avctx)
526         return;
527 
528     ret = avcodec_parameters_to_context(avctx, st->codecpar);
529     if (ret < 0) {
530         avcodec_free_context(&avctx);
531         return;
532     }
533 
534     // Fields which are missing from AVCodecParameters need to be taken from the AVCodecContext
535     avctx->properties   = sti->avctx->properties;
536     avctx->codec        = sti->avctx->codec;
537     avctx->qmin         = sti->avctx->qmin;
538     avctx->qmax         = sti->avctx->qmax;
539     avctx->coded_width  = sti->avctx->coded_width;
540     avctx->coded_height = sti->avctx->coded_height;
541 
542     if (separator)
543         av_opt_set(avctx, "dump_separator", separator, 0);
544     avcodec_string(buf, sizeof(buf), avctx, is_output);
545     avcodec_free_context(&avctx);
546 
547     av_log(NULL, AV_LOG_INFO, "  Stream #%d:%d", index, i);
548 
549     /* the pid is an important information, so we display it */
550     /* XXX: add a generic system */
551     if (flags & AVFMT_SHOW_IDS)
552         av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
553     if (lang)
554         av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
555     av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", sti->codec_info_nb_frames,
556            st->time_base.num, st->time_base.den);
557     av_log(NULL, AV_LOG_INFO, ": %s", buf);
558 
559     if (st->sample_aspect_ratio.num &&
560         av_cmp_q(st->sample_aspect_ratio, st->codecpar->sample_aspect_ratio)) {
561         AVRational display_aspect_ratio;
562         av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
563                   st->codecpar->width  * (int64_t)st->sample_aspect_ratio.num,
564                   st->codecpar->height * (int64_t)st->sample_aspect_ratio.den,
565                   1024 * 1024);
566         av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d",
567                st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
568                display_aspect_ratio.num, display_aspect_ratio.den);
569     }
570 
571     if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
572         int fps = st->avg_frame_rate.den && st->avg_frame_rate.num;
573         int tbr = st->r_frame_rate.den && st->r_frame_rate.num;
574         int tbn = st->time_base.den && st->time_base.num;
575 
576         if (fps || tbr || tbn)
577             av_log(NULL, AV_LOG_INFO, "%s", separator);
578 
579         if (fps)
580             print_fps(av_q2d(st->avg_frame_rate), tbr || tbn ? "fps, " : "fps");
581         if (tbr)
582             print_fps(av_q2d(st->r_frame_rate), tbn ? "tbr, " : "tbr");
583         if (tbn)
584             print_fps(1 / av_q2d(st->time_base), "tbn");
585     }
586 
587     if (st->disposition & AV_DISPOSITION_DEFAULT)
588         av_log(NULL, AV_LOG_INFO, " (default)");
589     if (st->disposition & AV_DISPOSITION_DUB)
590         av_log(NULL, AV_LOG_INFO, " (dub)");
591     if (st->disposition & AV_DISPOSITION_ORIGINAL)
592         av_log(NULL, AV_LOG_INFO, " (original)");
593     if (st->disposition & AV_DISPOSITION_COMMENT)
594         av_log(NULL, AV_LOG_INFO, " (comment)");
595     if (st->disposition & AV_DISPOSITION_LYRICS)
596         av_log(NULL, AV_LOG_INFO, " (lyrics)");
597     if (st->disposition & AV_DISPOSITION_KARAOKE)
598         av_log(NULL, AV_LOG_INFO, " (karaoke)");
599     if (st->disposition & AV_DISPOSITION_FORCED)
600         av_log(NULL, AV_LOG_INFO, " (forced)");
601     if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
602         av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
603     if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
604         av_log(NULL, AV_LOG_INFO, " (visual impaired)");
605     if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
606         av_log(NULL, AV_LOG_INFO, " (clean effects)");
607     if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
608         av_log(NULL, AV_LOG_INFO, " (attached pic)");
609     if (st->disposition & AV_DISPOSITION_TIMED_THUMBNAILS)
610         av_log(NULL, AV_LOG_INFO, " (timed thumbnails)");
611     if (st->disposition & AV_DISPOSITION_CAPTIONS)
612         av_log(NULL, AV_LOG_INFO, " (captions)");
613     if (st->disposition & AV_DISPOSITION_DESCRIPTIONS)
614         av_log(NULL, AV_LOG_INFO, " (descriptions)");
615     if (st->disposition & AV_DISPOSITION_METADATA)
616         av_log(NULL, AV_LOG_INFO, " (metadata)");
617     if (st->disposition & AV_DISPOSITION_DEPENDENT)
618         av_log(NULL, AV_LOG_INFO, " (dependent)");
619     if (st->disposition & AV_DISPOSITION_STILL_IMAGE)
620         av_log(NULL, AV_LOG_INFO, " (still image)");
621     if (st->disposition & AV_DISPOSITION_NON_DIEGETIC)
622         av_log(NULL, AV_LOG_INFO, " (non-diegetic)");
623     av_log(NULL, AV_LOG_INFO, "\n");
624 
625     dump_metadata(NULL, st->metadata, "    ");
626 
627     dump_sidedata(NULL, st, "    ");
628 }
629 
av_dump_format(AVFormatContext * ic,int index,const char * url,int is_output)630 void av_dump_format(AVFormatContext *ic, int index,
631                     const char *url, int is_output)
632 {
633     int i;
634     uint8_t *printed = ic->nb_streams ? av_mallocz(ic->nb_streams) : NULL;
635     if (ic->nb_streams && !printed)
636         return;
637 
638     av_log(NULL, AV_LOG_INFO, "%s #%d, %s, %s '%s':\n",
639            is_output ? "Output" : "Input",
640            index,
641            is_output ? ic->oformat->name : ic->iformat->name,
642            is_output ? "to" : "from", url);
643     dump_metadata(NULL, ic->metadata, "  ");
644 
645     if (!is_output) {
646         av_log(NULL, AV_LOG_INFO, "  Duration: ");
647         if (ic->duration != AV_NOPTS_VALUE) {
648             int64_t hours, mins, secs, us;
649             int64_t duration = ic->duration + (ic->duration <= INT64_MAX - 5000 ? 5000 : 0);
650             secs  = duration / AV_TIME_BASE;
651             us    = duration % AV_TIME_BASE;
652             mins  = secs / 60;
653             secs %= 60;
654             hours = mins / 60;
655             mins %= 60;
656             av_log(NULL, AV_LOG_INFO, "%02"PRId64":%02"PRId64":%02"PRId64".%02"PRId64"", hours, mins, secs,
657                    (100 * us) / AV_TIME_BASE);
658         } else {
659             av_log(NULL, AV_LOG_INFO, "N/A");
660         }
661         if (ic->start_time != AV_NOPTS_VALUE) {
662             int secs, us;
663             av_log(NULL, AV_LOG_INFO, ", start: ");
664             secs = llabs(ic->start_time / AV_TIME_BASE);
665             us   = llabs(ic->start_time % AV_TIME_BASE);
666             av_log(NULL, AV_LOG_INFO, "%s%d.%06d",
667                    ic->start_time >= 0 ? "" : "-",
668                    secs,
669                    (int) av_rescale(us, 1000000, AV_TIME_BASE));
670         }
671         av_log(NULL, AV_LOG_INFO, ", bitrate: ");
672         if (ic->bit_rate)
673             av_log(NULL, AV_LOG_INFO, "%"PRId64" kb/s", ic->bit_rate / 1000);
674         else
675             av_log(NULL, AV_LOG_INFO, "N/A");
676         av_log(NULL, AV_LOG_INFO, "\n");
677     }
678 
679     if (ic->nb_chapters)
680         av_log(NULL, AV_LOG_INFO, "  Chapters:\n");
681     for (i = 0; i < ic->nb_chapters; i++) {
682         const AVChapter *ch = ic->chapters[i];
683         av_log(NULL, AV_LOG_INFO, "    Chapter #%d:%d: ", index, i);
684         av_log(NULL, AV_LOG_INFO,
685                "start %f, ", ch->start * av_q2d(ch->time_base));
686         av_log(NULL, AV_LOG_INFO,
687                "end %f\n", ch->end * av_q2d(ch->time_base));
688 
689         dump_metadata(NULL, ch->metadata, "      ");
690     }
691 
692     if (ic->nb_programs) {
693         int j, k, total = 0;
694         for (j = 0; j < ic->nb_programs; j++) {
695             const AVProgram *program = ic->programs[j];
696             const AVDictionaryEntry *name = av_dict_get(program->metadata,
697                                                         "name", NULL, 0);
698             av_log(NULL, AV_LOG_INFO, "  Program %d %s\n", program->id,
699                    name ? name->value : "");
700             dump_metadata(NULL, program->metadata, "    ");
701             for (k = 0; k < program->nb_stream_indexes; k++) {
702                 dump_stream_format(ic, program->stream_index[k],
703                                    index, is_output);
704                 printed[program->stream_index[k]] = 1;
705             }
706             total += program->nb_stream_indexes;
707         }
708         if (total < ic->nb_streams)
709             av_log(NULL, AV_LOG_INFO, "  No Program\n");
710     }
711 
712     for (i = 0; i < ic->nb_streams; i++)
713         if (!printed[i])
714             dump_stream_format(ic, i, index, is_output);
715 
716     av_free(printed);
717 }
718