API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Mar 30th, 2015
383
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 17.91 KB | None | 0 0
raw download clone embed print report
  1. // ConsoleApplication1.cpp : Defines the entry point for the console application.
  2. //
  3. #pragma once
  4. using namespace std;
  5.  
  6. #include "stdafx.h"
  7. #include <string>
  8. #include <stdio.h>
  9. #include <cstdio>
  10. #include <Windows.h>
  11. #include <stdlib.h>
  12. #define inline __inline
  13. extern "C"
  14. {
  15. #include <libavcodec/avcodec.h>
  16. #include <libavformat/avformat.h>
  17. #include <libavfilter/avfiltergraph.h>
  18. #include <libavfilter/avcodec.h>
  19. #include <libavfilter/buffersink.h>
  20. #include <libavfilter/buffersrc.h>
  21. #include <libavutil/opt.h>
  22. #include <libavutil/pixdesc.h>
  23. }
  24. #pragma comment(lib, "dev\\lib\\avcodec.lib")
  25. #pragma comment(lib, "dev\\lib\\avformat.lib")
  26. #pragma comment(lib, "dev\\lib\\avfilter.lib")
  27. #pragma comment(lib, "dev\\lib\\avutil.lib")
  28.  
  29.  
  30. static AVFormatContext *ifmt_ctx;
  31. static AVFormatContext *ofmt_ctx;
  32. typedef struct FilteringContext {
  33. AVFilterContext *buffersink_ctx;
  34. AVFilterContext *buffersrc_ctx;
  35. AVFilterGraph *filter_graph;
  36. } FilteringContext;
  37. static FilteringContext *filter_ctx;
  38.  
  39. static int open_input_file(const char *filename)
  40. {
  41. int ret;
  42. unsigned int i;
  43. ifmt_ctx = NULL;
  44. if ((ret = avformat_open_input(&ifmt_ctx, filename, NULL, NULL)) < 0)
  45. {
  46. av_log(NULL, AV_LOG_ERROR, "Cannot open input file\n");
  47. return ret;
  48.  
  49. }
  50.  
  51. if ((ret = avformat_find_stream_info(ifmt_ctx, NULL)) < 0)
  52. {
  53. av_log(NULL, AV_LOG_ERROR, "Cannot find stream information\n");
  54. return ret;
  55.  
  56. }
  57.  
  58. for (i = 0; i < ifmt_ctx->nb_streams; i++)
  59. {
  60. AVStream *stream;
  61. AVCodecContext *codec_ctx;
  62. stream = ifmt_ctx->streams[i];
  63. codec_ctx = stream->codec;
  64. /* Reencode video & audio and remux subtitles etc. */
  65. if (codec_ctx->codec_type == AVMEDIA_TYPE_VIDEO || codec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
  66. /* Open decoder */
  67. ret = avcodec_open2(codec_ctx, avcodec_find_decoder(codec_ctx->codec_id), NULL);
  68. if (ret < 0) {
  69. av_log(NULL, AV_LOG_ERROR, "Failed to open decoder for stream #%u\n", i);
  70. return ret;
  71.  
  72. }
  73.  
  74. }
  75.  
  76. }
  77.  
  78. av_dump_format(ifmt_ctx, 0, filename, 0);
  79. return 0;
  80. }
  81.  
  82. static int open_output_file(const char *filename)
  83. {
  84. AVStream *out_stream;
  85. AVStream *in_stream;
  86. AVCodecContext *dec_ctx, *enc_ctx;
  87. AVCodec *encoder;
  88. int ret;
  89. unsigned int i;
  90.  
  91. ofmt_ctx = NULL;
  92. avformat_alloc_output_context2(&ofmt_ctx, NULL, NULL, filename);
  93. if (!ofmt_ctx) {
  94. av_log(NULL, AV_LOG_ERROR, "Could not create output context\n");
  95. return AVERROR_UNKNOWN;
  96. }
  97.  
  98.  
  99. for (i = 0; i < ifmt_ctx->nb_streams; i++) {
  100. out_stream = avformat_new_stream(ofmt_ctx, NULL);
  101. if (!out_stream) {
  102. av_log(NULL, AV_LOG_ERROR, "Failed allocating output stream\n");
  103. return AVERROR_UNKNOWN;
  104. }
  105.  
  106. in_stream = ifmt_ctx->streams[i];
  107. dec_ctx = in_stream->codec;
  108. enc_ctx = out_stream->codec;
  109.  
  110. if (dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO
  111. || dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
  112. /* in this example, we choose transcoding to same codec */
  113. encoder = avcodec_find_encoder(dec_ctx->codec_id);
  114. if (!encoder) {
  115. av_log(NULL, AV_LOG_FATAL, "Neccessary encoder not found\n");
  116. return AVERROR_INVALIDDATA;
  117. }
  118.  
  119. /* In this example, we transcode to same properties (picture size,
  120. * sample rate etc.). These properties can be changed for output
  121. * streams easily using filters */
  122. if (dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
  123. enc_ctx->height = dec_ctx->height;
  124. enc_ctx->width = dec_ctx->width;
  125. enc_ctx->sample_aspect_ratio = dec_ctx->sample_aspect_ratio;
  126. /* take first format from list of supported formats */
  127. enc_ctx->pix_fmt = encoder->pix_fmts[0];
  128. /* video time_base can be set to whatever is handy and supported by encoder */
  129. enc_ctx->time_base = dec_ctx->time_base;
  130. }
  131. else {
  132. enc_ctx->sample_rate = dec_ctx->sample_rate;
  133. enc_ctx->channel_layout = dec_ctx->channel_layout;
  134. enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
  135. /* take first format from list of supported formats */
  136. enc_ctx->sample_fmt = encoder->sample_fmts[0];
  137. enc_ctx->time_base = { 1, enc_ctx->sample_rate };
  138. }
  139.  
  140. /* Third parameter can be used to pass settings to encoder */
  141. ret = avcodec_open2(enc_ctx, encoder, NULL);
  142. if (ret < 0) {
  143. av_log(NULL, AV_LOG_ERROR, "Cannot open video encoder for stream #%u\n", i);
  144. return ret;
  145. }
  146. }
  147. else if (dec_ctx->codec_type == AVMEDIA_TYPE_UNKNOWN) {
  148. av_log(NULL, AV_LOG_FATAL, "Elementary stream #%d is of unknown type, cannot proceed\n", i);
  149. return AVERROR_INVALIDDATA;
  150. }
  151. else {
  152. /* if this stream must be remuxed */
  153. ret = avcodec_copy_context(ofmt_ctx->streams[i]->codec,
  154. ifmt_ctx->streams[i]->codec);
  155. if (ret < 0) {
  156. av_log(NULL, AV_LOG_ERROR, "Copying stream context failed\n");
  157. return ret;
  158. }
  159. }
  160.  
  161. if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
  162. enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
  163.  
  164. }
  165. av_dump_format(ofmt_ctx, 0, filename, 1);
  166.  
  167. if (!(ofmt_ctx->oformat->flags & AVFMT_NOFILE)) {
  168. ret = avio_open(&ofmt_ctx->pb, filename, AVIO_FLAG_WRITE);
  169. if (ret < 0) {
  170. av_log(NULL, AV_LOG_ERROR, "Could not open output file '%s'", filename);
  171. return ret;
  172. }
  173. }
  174.  
  175. /* init muxer, write output file header */
  176. ret = avformat_write_header(ofmt_ctx, NULL);
  177. if (ret < 0) {
  178. av_log(NULL, AV_LOG_ERROR, "Error occurred when opening output file\n");
  179. return ret;
  180. }
  181.  
  182. return 0;
  183. }
  184.  
  185. static int init_filter(FilteringContext* fctx, AVCodecContext *dec_ctx,
  186. AVCodecContext *enc_ctx, const char *filter_spec)
  187. {
  188. char args[512];
  189. int ret = 0;
  190. AVFilter *buffersrc = NULL;
  191. AVFilter *buffersink = NULL;
  192. AVFilterContext *buffersrc_ctx = NULL;
  193. AVFilterContext *buffersink_ctx = NULL;
  194. AVFilterInOut *outputs = avfilter_inout_alloc();
  195. AVFilterInOut *inputs = avfilter_inout_alloc();
  196. AVFilterGraph *filter_graph = avfilter_graph_alloc();
  197.  
  198. if (!outputs || !inputs || !filter_graph) {
  199. ret = AVERROR(ENOMEM);
  200. goto end;
  201.  
  202. }
  203.  
  204. if (dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
  205. buffersrc = avfilter_get_by_name("buffer");
  206. buffersink = avfilter_get_by_name("buffersink");
  207. if (!buffersrc || !buffersink) {
  208. av_log(NULL, AV_LOG_ERROR, "filtering source or sink element not found\n");
  209. ret = AVERROR_UNKNOWN;
  210. goto end;
  211.  
  212. }
  213.  
  214. _snprintf_s(args, sizeof(args),
  215. "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
  216. dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
  217. dec_ctx->time_base.num, dec_ctx->time_base.den,
  218. dec_ctx->sample_aspect_ratio.num,
  219. dec_ctx->sample_aspect_ratio.den);
  220.  
  221. ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
  222. args, NULL, filter_graph);
  223. if (ret < 0) {
  224. av_log(NULL, AV_LOG_ERROR, "Cannot create buffer source\n");
  225. goto end;
  226.  
  227. }
  228.  
  229. ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
  230. NULL, NULL, filter_graph);
  231. if (ret < 0) {
  232. av_log(NULL, AV_LOG_ERROR, "Cannot create buffer sink\n");
  233. goto end;
  234.  
  235. }
  236.  
  237. ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",
  238. (uint8_t*)&enc_ctx->pix_fmt, sizeof(enc_ctx->pix_fmt),
  239. AV_OPT_SEARCH_CHILDREN);
  240. if (ret < 0) {
  241. av_log(NULL, AV_LOG_ERROR, "Cannot set output pixel format\n");
  242. goto end;
  243.  
  244. }
  245.  
  246. }
  247. else if (dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
  248. buffersrc = avfilter_get_by_name("abuffer");
  249. buffersink = avfilter_get_by_name("abuffersink");
  250. if (!buffersrc || !buffersink) {
  251. av_log(NULL, AV_LOG_ERROR, "filtering source or sink element not found\n");
  252. ret = AVERROR_UNKNOWN;
  253. goto end;
  254.  
  255. }
  256.  
  257. if (!dec_ctx->channel_layout)
  258. dec_ctx->channel_layout =
  259. av_get_default_channel_layout(dec_ctx->channels);
  260. _snprintf_s(args, sizeof(args),
  261. "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%"PRIx64,
  262. dec_ctx->time_base.num, dec_ctx->time_base.den, dec_ctx->sample_rate,
  263. av_get_sample_fmt_name(dec_ctx->sample_fmt),
  264. dec_ctx->channel_layout);
  265. ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
  266. args, NULL, filter_graph);
  267. if (ret < 0) {
  268. av_log(NULL, AV_LOG_ERROR, "Cannot create audio buffer source\n");
  269. goto end;
  270.  
  271. }
  272.  
  273. ret = avfilter_graph_create_filter(&buffersink_ctx, buffersink, "out",
  274. NULL, NULL, filter_graph);
  275. if (ret < 0) {
  276. av_log(NULL, AV_LOG_ERROR, "Cannot create audio buffer sink\n");
  277. goto end;
  278.  
  279. }
  280.  
  281. ret = av_opt_set_bin(buffersink_ctx, "sample_fmts",
  282. (uint8_t*)&enc_ctx->sample_fmt, sizeof(enc_ctx->sample_fmt),
  283. AV_OPT_SEARCH_CHILDREN);
  284. if (ret < 0) {
  285. av_log(NULL, AV_LOG_ERROR, "Cannot set output sample format\n");
  286. goto end;
  287.  
  288. }
  289.  
  290. ret = av_opt_set_bin(buffersink_ctx, "channel_layouts",
  291. (uint8_t*)&enc_ctx->channel_layout,
  292. sizeof(enc_ctx->channel_layout), AV_OPT_SEARCH_CHILDREN);
  293. if (ret < 0) {
  294. av_log(NULL, AV_LOG_ERROR, "Cannot set output channel layout\n");
  295. goto end;
  296.  
  297. }
  298.  
  299. ret = av_opt_set_bin(buffersink_ctx, "sample_rates",
  300. (uint8_t*)&enc_ctx->sample_rate, sizeof(enc_ctx->sample_rate),
  301. AV_OPT_SEARCH_CHILDREN);
  302. if (ret < 0) {
  303. av_log(NULL, AV_LOG_ERROR, "Cannot set output sample rate\n");
  304. goto end;
  305.  
  306. }
  307.  
  308. }
  309. else {
  310. ret = AVERROR_UNKNOWN;
  311. goto end;
  312.  
  313. }
  314.  
  315. /* Endpoints for the filter graph. */
  316. outputs->name = av_strdup("in");
  317. outputs->filter_ctx = buffersrc_ctx;
  318. outputs->pad_idx = 0;
  319. outputs->next = NULL;
  320.  
  321. inputs->name = av_strdup("out");
  322. inputs->filter_ctx = buffersink_ctx;
  323. inputs->pad_idx = 0;
  324. inputs->next = NULL;
  325.  
  326. if (!outputs->name || !inputs->name) {
  327. ret = AVERROR(ENOMEM);
  328. goto end;
  329.  
  330. }
  331.  
  332. if ((ret = avfilter_graph_parse_ptr(filter_graph, filter_spec,
  333. &inputs, &outputs, NULL)) < 0)
  334. goto end;
  335.  
  336. if ((ret = avfilter_graph_config(filter_graph, NULL)) < 0)
  337. goto end;
  338.  
  339. /* Fill FilteringContext */
  340. fctx->buffersrc_ctx = buffersrc_ctx;
  341. fctx->buffersink_ctx = buffersink_ctx;
  342. fctx->filter_graph = filter_graph;
  343.  
  344. end:
  345. avfilter_inout_free(&inputs);
  346. avfilter_inout_free(&outputs);
  347.  
  348. return ret;
  349. }
  350.  
  351. static int init_filters(void)
  352. {
  353. const char *filter_spec;
  354. unsigned int i;
  355. int ret;
  356. filter_ctx = (FilteringContext*)av_malloc_array(ifmt_ctx->nb_streams, sizeof(*filter_ctx));
  357. if (!filter_ctx)
  358. return AVERROR(ENOMEM);
  359.  
  360. for (i = 0; i < ifmt_ctx->nb_streams; i++) {
  361. filter_ctx[i].buffersrc_ctx = NULL;
  362. filter_ctx[i].buffersink_ctx = NULL;
  363. filter_ctx[i].filter_graph = NULL;
  364. if (!(ifmt_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO
  365. || ifmt_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO))
  366. continue;
  367.  
  368.  
  369. if (ifmt_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO)
  370. filter_spec = "null"; /* passthrough (dummy) filter for video */
  371. else
  372. filter_spec = "anull"; /* passthrough (dummy) filter for audio */
  373. ret = init_filter(&filter_ctx[i], ifmt_ctx->streams[i]->codec,
  374. ofmt_ctx->streams[i]->codec, filter_spec);
  375. if (ret)
  376. return ret;
  377.  
  378. }
  379. return 0;
  380. }
  381.  
  382. static int encode_write_frame(AVFrame *filt_frame, unsigned int stream_index, int *got_frame) {
  383. int ret;
  384. int got_frame_local;
  385. AVPacket enc_pkt;
  386. int(*enc_func)(AVCodecContext *, AVPacket *, const AVFrame *, int *) =
  387. (ifmt_ctx->streams[stream_index]->codec->codec_type ==
  388. AVMEDIA_TYPE_VIDEO) ? avcodec_encode_video2 : avcodec_encode_audio2;
  389.  
  390. if (!got_frame)
  391. got_frame = &got_frame_local;
  392.  
  393. av_log(NULL, AV_LOG_INFO, "Encoding frame\n");
  394. /* encode filtered frame */
  395. enc_pkt.data = NULL;
  396. enc_pkt.size = 0;
  397. av_init_packet(&enc_pkt);
  398. ret = enc_func(ofmt_ctx->streams[stream_index]->codec, &enc_pkt,
  399. filt_frame, got_frame);
  400. av_frame_free(&filt_frame);
  401. if (ret < 0)
  402. return ret;
  403. if (!(*got_frame))
  404. return 0;
  405.  
  406. /* prepare packet for muxing */
  407. enc_pkt.stream_index = stream_index;
  408. enc_pkt.dts = av_rescale_q_rnd(enc_pkt.dts,
  409. ofmt_ctx->streams[stream_index]->codec->time_base,
  410. ofmt_ctx->streams[stream_index]->time_base,
  411. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  412. enc_pkt.pts = av_rescale_q_rnd(enc_pkt.pts,
  413. ofmt_ctx->streams[stream_index]->codec->time_base,
  414. ofmt_ctx->streams[stream_index]->time_base,
  415. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  416. enc_pkt.duration = av_rescale_q(enc_pkt.duration,
  417. ofmt_ctx->streams[stream_index]->codec->time_base,
  418. ofmt_ctx->streams[stream_index]->time_base);
  419.  
  420. av_log(NULL, AV_LOG_DEBUG, "Muxing frame\n");
  421. /* mux encoded frame */
  422. ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
  423. return ret;
  424.  
  425. }
  426.  
  427. static int filter_encode_write_frame(AVFrame *frame, unsigned int stream_index)
  428. {
  429. int ret;
  430. AVFrame *filt_frame;
  431.  
  432. av_log(NULL, AV_LOG_INFO, "Pushing decoded frame to filters\n");
  433. /* push the decoded frame into the filtergraph */
  434. ret = av_buffersrc_add_frame_flags(filter_ctx[stream_index].buffersrc_ctx,
  435. frame, 0);
  436. if (ret < 0) {
  437. av_log(NULL, AV_LOG_ERROR, "Error while feeding the filtergraph\n");
  438. return ret;
  439.  
  440. }
  441.  
  442. /* pull filtered frames from the filtergraph */
  443. while (1) {
  444. filt_frame = av_frame_alloc();
  445. if (!filt_frame) {
  446. ret = AVERROR(ENOMEM);
  447. break;
  448.  
  449. }
  450. av_log(NULL, AV_LOG_INFO, "Pulling filtered frame from filters\n");
  451. ret = av_buffersink_get_frame(filter_ctx[stream_index].buffersink_ctx,
  452. filt_frame);
  453. if (ret < 0) {
  454. /* if no more frames for output - returns AVERROR(EAGAIN)
  455. * if flushed and no more frames for output - returns AVERROR_EOF
  456. * rewrite retcode to 0 to show it as normal procedure completion
  457. */
  458. if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
  459. ret = 0;
  460. av_frame_free(&filt_frame);
  461. break;
  462.  
  463. }
  464.  
  465. filt_frame->pict_type = AV_PICTURE_TYPE_NONE;
  466. ret = encode_write_frame(filt_frame, stream_index, NULL);
  467. if (ret < 0)
  468. break;
  469.  
  470. }
  471.  
  472. return ret;
  473. }
  474.  
  475. static int flush_encoder(unsigned int stream_index)
  476. {
  477. int ret;
  478. int got_frame;
  479.  
  480. if (!(ofmt_ctx->streams[stream_index]->codec->codec->capabilities &
  481. CODEC_CAP_DELAY))
  482. return 0;
  483.  
  484. while (1) {
  485. av_log(NULL, AV_LOG_INFO, "Flushing stream #%u encoder\n", stream_index);
  486. ret = encode_write_frame(NULL, stream_index, &got_frame);
  487. if (ret < 0)
  488. break;
  489. if (!got_frame)
  490. return 0;
  491.  
  492. }
  493. return ret;
  494. }
  495.  
  496.  
  497. int main(int argc, _TCHAR* argv[])
  498. {
  499. printf("Hello");
  500. DWORD time = 5000;
  501. Sleep(time);
  502. int ret;
  503. AVPacket packet;
  504. packet.data = NULL;
  505. packet.size = 0;
  506. AVFrame *frame = NULL;
  507. enum AVMediaType type;
  508. unsigned int stream_index;
  509. unsigned int i;
  510. int got_frame;
  511. int(*dec_func)(AVCodecContext *, AVFrame *, int *, const AVPacket *);
  512. if (argc != 3) {
  513. av_log(NULL, AV_LOG_ERROR, "Usage: %s <input file> <output file>\n", argv[0]);
  514. return 1;
  515.  
  516. }
  517.  
  518. av_register_all();
  519. avfilter_register_all();
  520.  
  521. if ((ret = open_input_file((char *)argv[1])) < 0)
  522. goto end;
  523. if ((ret = open_output_file((char *)argv[2])) < 0)
  524. goto end;
  525. if ((ret = init_filters()) < 0)
  526. goto end;
  527.  
  528. /* read all packets */
  529. while (1) {
  530. if ((ret = av_read_frame(ifmt_ctx, &packet)) < 0)
  531. break;
  532. stream_index = packet.stream_index;
  533. type = ifmt_ctx->streams[packet.stream_index]->codec->codec_type;
  534. av_log(NULL, AV_LOG_DEBUG, "Demuxer gave frame of stream_index %u\n",
  535. stream_index);
  536.  
  537. if (filter_ctx[stream_index].filter_graph) {
  538. av_log(NULL, AV_LOG_DEBUG, "Going to reencode&filter the frame\n");
  539. frame = av_frame_alloc();
  540. if (!frame) {
  541. ret = AVERROR(ENOMEM);
  542. break;
  543.  
  544. }
  545. packet.dts = av_rescale_q_rnd(packet.dts,
  546. ifmt_ctx->streams[stream_index]->time_base,
  547. ifmt_ctx->streams[stream_index]->codec->time_base,
  548. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  549. packet.pts = av_rescale_q_rnd(packet.pts,
  550. ifmt_ctx->streams[stream_index]->time_base,
  551. ifmt_ctx->streams[stream_index]->codec->time_base,
  552. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  553. dec_func = (type == AVMEDIA_TYPE_VIDEO) ? avcodec_decode_video2 :
  554. avcodec_decode_audio4;
  555. ret = dec_func(ifmt_ctx->streams[stream_index]->codec, frame,
  556. &got_frame, &packet);
  557. if (ret < 0) {
  558. av_frame_free(&frame);
  559. av_log(NULL, AV_LOG_ERROR, "Decoding failed\n");
  560. break;
  561.  
  562. }
  563.  
  564. if (got_frame) {
  565. frame->pts = av_frame_get_best_effort_timestamp(frame);
  566. ret = filter_encode_write_frame(frame, stream_index);
  567. av_frame_free(&frame);
  568. if (ret < 0)
  569. goto end;
  570.  
  571. }
  572. else {
  573. av_frame_free(&frame);
  574.  
  575. }
  576.  
  577. }
  578. else {
  579. /* remux this frame without reencoding */
  580. packet.dts = av_rescale_q_rnd(packet.dts,
  581. ifmt_ctx->streams[stream_index]->time_base,
  582. ofmt_ctx->streams[stream_index]->time_base,
  583. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  584. packet.pts = av_rescale_q_rnd(packet.pts,
  585. ifmt_ctx->streams[stream_index]->time_base,
  586. ofmt_ctx->streams[stream_index]->time_base,
  587. (AVRounding)(AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
  588.  
  589. ret = av_interleaved_write_frame(ofmt_ctx, &packet);
  590. if (ret < 0)
  591. goto end;
  592.  
  593. }
  594. av_free_packet(&packet);
  595.  
  596. }
  597.  
  598. /* flush filters and encoders */
  599. for (i = 0; i < ifmt_ctx->nb_streams; i++) {
  600. /* flush filter */
  601. if (!filter_ctx[i].filter_graph)
  602. continue;
  603. ret = filter_encode_write_frame(NULL, i);
  604. if (ret < 0) {
  605. av_log(NULL, AV_LOG_ERROR, "Flushing filter failed\n");
  606. goto end;
  607.  
  608. }
  609.  
  610. /* flush encoder */
  611. ret = flush_encoder(i);
  612. if (ret < 0) {
  613. av_log(NULL, AV_LOG_ERROR, "Flushing encoder failed\n");
  614. goto end;
  615.  
  616. }
  617.  
  618. }
  619.  
  620. av_write_trailer(ofmt_ctx);
  621. end:
  622. av_free_packet(&packet);
  623. av_frame_free(&frame);
  624. for (i = 0; i < ifmt_ctx->nb_streams; i++) {
  625. avcodec_close(ifmt_ctx->streams[i]->codec);
  626. if (ofmt_ctx && ofmt_ctx->nb_streams > i && ofmt_ctx->streams[i] && ofmt_ctx->streams[i]->codec)
  627. avcodec_close(ofmt_ctx->streams[i]->codec);
  628. if (filter_ctx && filter_ctx[i].filter_graph)
  629. avfilter_graph_free(&filter_ctx[i].filter_graph);
  630.  
  631. }
  632. av_free(filter_ctx);
  633. avformat_close_input(&ifmt_ctx);
  634. if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE))
  635. avio_close(ofmt_ctx->pb);
  636. avformat_free_context(ofmt_ctx);
  637. if (ret < 0)
  638. {
  639. //av_log(NULL, AV_LOG_ERROR, "Error occurred: %s\n", av_err2str(ret)); //some problemin this shit
  640. printf("error");
  641. }
  642.  
  643. return ret ? 1 : 0;
  644. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!