1 files changed, 0 insertions, 454 deletions
diff --git a/contrib/ffmpeg/libavcodec/apiexample.c b/contrib/ffmpeg/libavcodec/apiexample.c
deleted file mode 100644
index 151637bd2..000000000
--- a/contrib/ffmpeg/libavcodec/apiexample.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- * copyright (c) 2001 Fabrice Bellard
- *
- * 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 2.1 of the License, or (at your option) any later version.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file apiexample.c
- * avcodec API use example.
- *
- * Note that this library only handles codecs (mpeg, mpeg4, etc...),
- * not file formats (avi, vob, etc...). See library 'libavformat' for the
- * format handling
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-
-#define PI 3.14159265358979323846
-
-#ifdef HAVE_AV_CONFIG_H
-#undef HAVE_AV_CONFIG_H
-#endif
-
-#include "avcodec.h"
-
-#define INBUF_SIZE 4096
-
-/*
- * Audio encoding example
- */
-void audio_encode_example(const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int frame_size, i, j, out_size, outbuf_size;
-    FILE *f;
-    short *samples;
-    float t, tincr;
-    uint8_t *outbuf;
-
-    printf("Audio encoding\n");
-
-    /* find the MP2 encoder */
-    codec = avcodec_find_encoder(CODEC_ID_MP2);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-
-    /* put sample parameters */
-    c->bit_rate = 64000;
-    c->sample_rate = 44100;
-    c->channels = 2;
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* the codec gives us the frame size, in samples */
-    frame_size = c->frame_size;
-    samples = malloc(frame_size * 2 * c->channels);
-    outbuf_size = 10000;
-    outbuf = malloc(outbuf_size);
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    /* encode a single tone sound */
-    t = 0;
-    tincr = 2 * PI * 440.0 / c->sample_rate;
-    for(i=0;i<200;i++) {
-        for(j=0;j<frame_size;j++) {
-            samples[2*j] = (int)(sin(t) * 10000);
-            samples[2*j+1] = samples[2*j];
-            t += tincr;
-        }
-        /* encode the samples */
-        out_size = avcodec_encode_audio(c, outbuf, outbuf_size, samples);
-        fwrite(outbuf, 1, out_size, f);
-    }
-    fclose(f);
-    free(outbuf);
-    free(samples);
-
-    avcodec_close(c);
-    av_free(c);
-}
-
-/*
- * Audio decoding.
- */
-void audio_decode_example(const char *outfilename, const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int out_size, size, len;
-    FILE *f, *outfile;
-    uint8_t *outbuf;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr;
-
-    printf("Audio decoding\n");
-
-    /* find the mpeg audio decoder */
-    codec = avcodec_find_decoder(CODEC_ID_MP2);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    outbuf = malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE);
-
-    f = fopen(filename, "rb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-    outfile = fopen(outfilename, "wb");
-    if (!outfile) {
-        av_free(c);
-        exit(1);
-    }
-
-    /* decode until eof */
-    inbuf_ptr = inbuf;
-    for(;;) {
-        size = fread(inbuf, 1, INBUF_SIZE, f);
-        if (size == 0)
-            break;
-
-        inbuf_ptr = inbuf;
-        while (size > 0) {
-            len = avcodec_decode_audio(c, (short *)outbuf, &out_size,
-                                       inbuf_ptr, size);
-            if (len < 0) {
-                fprintf(stderr, "Error while decoding\n");
-                exit(1);
-            }
-            if (out_size > 0) {
-                /* if a frame has been decoded, output it */
-                fwrite(outbuf, 1, out_size, outfile);
-            }
-            size -= len;
-            inbuf_ptr += len;
-        }
-    }
-
-    fclose(outfile);
-    fclose(f);
-    free(outbuf);
-
-    avcodec_close(c);
-    av_free(c);
-}
-
-/*
- * Video encoding example
- */
-void video_encode_example(const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int i, out_size, size, x, y, outbuf_size;
-    FILE *f;
-    AVFrame *picture;
-    uint8_t *outbuf, *picture_buf;
-
-    printf("Video encoding\n");
-
-    /* find the mpeg1 video encoder */
-    codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-    picture= avcodec_alloc_frame();
-
-    /* put sample parameters */
-    c->bit_rate = 400000;
-    /* resolution must be a multiple of two */
-    c->width = 352;
-    c->height = 288;
-    /* frames per second */
-    c->time_base= (AVRational){1,25};
-    c->gop_size = 10; /* emit one intra frame every ten frames */
-    c->max_b_frames=1;
-    c->pix_fmt = PIX_FMT_YUV420P;
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    /* alloc image and output buffer */
-    outbuf_size = 100000;
-    outbuf = malloc(outbuf_size);
-    size = c->width * c->height;
-    picture_buf = malloc((size * 3) / 2); /* size for YUV 420 */
-
-    picture->data[0] = picture_buf;
-    picture->data[1] = picture->data[0] + size;
-    picture->data[2] = picture->data[1] + size / 4;
-    picture->linesize[0] = c->width;
-    picture->linesize[1] = c->width / 2;
-    picture->linesize[2] = c->width / 2;
-
-    /* encode 1 second of video */
-    for(i=0;i<25;i++) {
-        fflush(stdout);
-        /* prepare a dummy image */
-        /* Y */
-        for(y=0;y<c->height;y++) {
-            for(x=0;x<c->width;x++) {
-                picture->data[0][y * picture->linesize[0] + x] = x + y + i * 3;
-            }
-        }
-
-        /* Cb and Cr */
-        for(y=0;y<c->height/2;y++) {
-            for(x=0;x<c->width/2;x++) {
-                picture->data[1][y * picture->linesize[1] + x] = 128 + y + i * 2;
-                picture->data[2][y * picture->linesize[2] + x] = 64 + x + i * 5;
-            }
-        }
-
-        /* encode the image */
-        out_size = avcodec_encode_video(c, outbuf, outbuf_size, picture);
-        printf("encoding frame %3d (size=%5d)\n", i, out_size);
-        fwrite(outbuf, 1, out_size, f);
-    }
-
-    /* get the delayed frames */
-    for(; out_size; i++) {
-        fflush(stdout);
-
-        out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
-        printf("write frame %3d (size=%5d)\n", i, out_size);
-        fwrite(outbuf, 1, out_size, f);
-    }
-
-    /* add sequence end code to have a real mpeg file */
-    outbuf[0] = 0x00;
-    outbuf[1] = 0x00;
-    outbuf[2] = 0x01;
-    outbuf[3] = 0xb7;
-    fwrite(outbuf, 1, 4, f);
-    fclose(f);
-    free(picture_buf);
-    free(outbuf);
-
-    avcodec_close(c);
-    av_free(c);
-    av_free(picture);
-    printf("\n");
-}
-
-/*
- * Video decoding example
- */
-
-void pgm_save(unsigned char *buf,int wrap, int xsize,int ysize,char *filename)
-{
-    FILE *f;
-    int i;
-
-    f=fopen(filename,"w");
-    fprintf(f,"P5\n%d %d\n%d\n",xsize,ysize,255);
-    for(i=0;i<ysize;i++)
-        fwrite(buf + i * wrap,1,xsize,f);
-    fclose(f);
-}
-
-void video_decode_example(const char *outfilename, const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int frame, size, got_picture, len;
-    FILE *f;
-    AVFrame *picture;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr;
-    char buf[1024];
-
-    /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
-    memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-
-    printf("Video decoding\n");
-
-    /* find the mpeg1 video decoder */
-    codec = avcodec_find_decoder(CODEC_ID_MPEG1VIDEO);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-    picture= avcodec_alloc_frame();
-
-    if(codec->capabilities&CODEC_CAP_TRUNCATED)
-        c->flags|= CODEC_FLAG_TRUNCATED; /* we dont send complete frames */
-
-    /* for some codecs, such as msmpeg4 and mpeg4, width and height
-       MUST be initialized there because these info are not available
-       in the bitstream */
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* the codec gives us the frame size, in samples */
-
-    f = fopen(filename, "rb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    frame = 0;
-    for(;;) {
-        size = fread(inbuf, 1, INBUF_SIZE, f);
-        if (size == 0)
-            break;
-
-        /* NOTE1: some codecs are stream based (mpegvideo, mpegaudio)
-           and this is the only method to use them because you cannot
-           know the compressed data size before analysing it.
-
-           BUT some other codecs (msmpeg4, mpeg4) are inherently frame
-           based, so you must call them with all the data for one
-           frame exactly. You must also initialize 'width' and
-           'height' before initializing them. */
-
-        /* NOTE2: some codecs allow the raw parameters (frame size,
-           sample rate) to be changed at any frame. We handle this, so
-           you should also take care of it */
-
-        /* here, we use a stream based decoder (mpeg1video), so we
-           feed decoder and see if it could decode a frame */
-        inbuf_ptr = inbuf;
-        while (size > 0) {
-            len = avcodec_decode_video(c, picture, &got_picture,
-                                       inbuf_ptr, size);
-            if (len < 0) {
-                fprintf(stderr, "Error while decoding frame %d\n", frame);
-                exit(1);
-            }
-            if (got_picture) {
-                printf("saving frame %3d\n", frame);
-                fflush(stdout);
-
-                /* the picture is allocated by the decoder. no need to
-                   free it */
-                snprintf(buf, sizeof(buf), outfilename, frame);
-                pgm_save(picture->data[0], picture->linesize[0],
-                         c->width, c->height, buf);
-                frame++;
-            }
-            size -= len;
-            inbuf_ptr += len;
-        }
-    }
-
-    /* some codecs, such as MPEG, transmit the I and P frame with a
-       latency of one frame. You must do the following to have a
-       chance to get the last frame of the video */
-    len = avcodec_decode_video(c, picture, &got_picture,
-                               NULL, 0);
-    if (got_picture) {
-        printf("saving last frame %3d\n", frame);
-        fflush(stdout);
-
-        /* the picture is allocated by the decoder. no need to
-           free it */
-        snprintf(buf, sizeof(buf), outfilename, frame);
-        pgm_save(picture->data[0], picture->linesize[0],
-                 c->width, c->height, buf);
-        frame++;
-    }
-
-    fclose(f);
-
-    avcodec_close(c);
-    av_free(c);
-    av_free(picture);
-    printf("\n");
-}
-
-int main(int argc, char **argv)
-{
-    const char *filename;
-
-    /* must be called before using avcodec lib */
-    avcodec_init();
-
-    /* register all the codecs (you can also register only the codec
-       you wish to have smaller code */
-    avcodec_register_all();
-
-    if (argc <= 1) {
-        audio_encode_example("/tmp/test.mp2");
-        audio_decode_example("/tmp/test.sw", "/tmp/test.mp2");
-
-        video_encode_example("/tmp/test.mpg");
-        filename = "/tmp/test.mpg";
-    } else {
-        filename = argv[1];
-    }
-
-    //    audio_decode_example("/tmp/test.sw", filename);
-    video_decode_example("/tmp/test%d.pgm", filename);
-
-    return 0;
-}