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-rw-r--r--src/dv1394.cc6
-rw-r--r--src/error.cc7
-rw-r--r--src/mov_encoder.cc184
-rw-r--r--src/mov_encoder.h3
4 files changed, 165 insertions, 35 deletions
diff --git a/src/dv1394.cc b/src/dv1394.cc
index d4912e4..004cb3d 100644
--- a/src/dv1394.cc
+++ b/src/dv1394.cc
@@ -69,7 +69,7 @@ static int raw_reader( raw1394handle_t handle, int channel, size_t length, quadl
if(!framedata)
{
// We're fucked
- // errobj->pushError("Were fucked: %s.\n", strerror( errno ) );
+ fprintf(stderr, "Framedata allocation error: %s.\n", strerror( errno ) ); fflush(stderr);
exit(1);
}
}
@@ -142,12 +142,12 @@ dv1394::dv1394(Error *e, int port, int channel)
dv1394::~dv1394()
{
// Close firewire connection.
- raw1394_destroy_handle(handle);
+ if(handle) raw1394_destroy_handle(handle);
}
unsigned char *dv1394::readFrame()
{
- // Firewiare port not correctly opened.
+ // Firewire port not correctly opened.
if(!handle) return NULL;
unsigned char *ptr;
diff --git a/src/error.cc b/src/error.cc
index 34c8e33..d1d351d 100644
--- a/src/error.cc
+++ b/src/error.cc
@@ -66,12 +66,11 @@ void Error::pushError(char *fmt, ...)
char buf[1024];
pthread_mutex_lock(&mutex);
+ // Beginning of safezone
va_list argp;
va_start(argp, fmt);
- fprintf(stderr, "New Error: [");
- vfprintf(stderr, fmt, argp);
- fprintf(stderr, "]\n"); fflush(stderr);
+ fprintf(stderr, "New Error: ["); vfprintf(stderr, fmt, argp); fprintf(stderr, "]\n"); fflush(stderr);
vsprintf(buf, fmt, argp);
va_end(argp);
@@ -80,6 +79,8 @@ void Error::pushError(char *fmt, ...)
err->errstr = string(buf);
err->prev = lastError;
lastError = err;
+
+ // End of safezone
pthread_mutex_unlock(&mutex);
}
diff --git a/src/mov_encoder.cc b/src/mov_encoder.cc
index 2f1810f..52702a5 100644
--- a/src/mov_encoder.cc
+++ b/src/mov_encoder.cc
@@ -37,7 +37,7 @@ MovEncoder::MovEncoder(const char *filename)
AVCodec *enc_codec;
if(!(efc = av_alloc_format_context())) {
- fprintf(stderr, "Could not alloc output format context\n");
+ fprintf(stderr, "Could not alloc output format context\n"); fflush(stderr);
exit(1);
}
@@ -45,21 +45,21 @@ MovEncoder::MovEncoder(const char *filename)
//efc->oformat = guess_format(NULL, filename, NULL);
if(!(st = av_new_stream(efc, 0))) {
- fprintf(stderr, "Could not alloc stream\n");
+ fprintf(stderr, "Could not alloc stream\n"); fflush(stderr);
switch((int)st) {
- case AVERROR_UNKNOWN : printf("unknown error\n");
+ case AVERROR_UNKNOWN : fprintf(stderr, "unknown error\n"); fflush(stderr);
break;
- case AVERROR_IO : printf("i/o error\n");
+ case AVERROR_IO : fprintf(stderr, "i/o error\n"); fflush(stderr);
break;
- case AVERROR_NUMEXPECTED : printf("number syntax expected in filename\n");
+ case AVERROR_NUMEXPECTED : fprintf(stderr, "number syntax expected in filename\n"); fflush(stderr);
break;
- case AVERROR_INVALIDDATA : printf("invalid data found\n");
+ case AVERROR_INVALIDDATA : fprintf(stderr, "invalid data found\n"); fflush(stderr);
break;
- case AVERROR_NOMEM : printf("not enough memory\n");
+ case AVERROR_NOMEM : fprintf(stderr, "not enough memory\n"); fflush(stderr);
break;
- case AVERROR_NOFMT : printf("unknown format\n");
+ case AVERROR_NOFMT : fprintf(stderr, "unknown format\n"); fflush(stderr);
break;
- case AVERROR_NOTSUPP : printf("operation not supported\n");
+ case AVERROR_NOTSUPP : fprintf(stderr, "operation not supported\n"); fflush(stderr);
break;
}
exit(1);
@@ -67,7 +67,7 @@ MovEncoder::MovEncoder(const char *filename)
enc_codec = avcodec_find_encoder(CODEC_ID_MPEG2VIDEO);
if(!enc_codec) {
- printf("Unsupported codec for output stream\n");
+ fprintf(stderr, "Unsupported codec for output stream\n"); fflush(stderr);
exit(1);
}
avcodec_get_context_defaults(&st->codec);
@@ -109,28 +109,28 @@ MovEncoder::MovEncoder(const char *filename)
ecc->me_method = ME_EPZS;
if(avcodec_open(&st->codec, enc_codec) < 0) {
- printf("Error while opening codec for stream\n");
+ fprintf(stderr, "Error while opening codec for stream\n"); fflush(stderr);
exit(1);
}
if(url_fopen(&efc->pb, filename, URL_RDWR) < 0) {
- fprintf(stderr, "Could not open '%s'\n", filename);
+ fprintf(stderr, "Could not open '%s'\n", filename); fflush(stderr);
exit(1);
}
if(av_set_parameters(efc, NULL) < 0) {
- fprintf(stderr, "%s: Invalid encoding parameters\n", filename);
+ fprintf(stderr, "%s: Invalid encoding parameters\n", filename); fflush(stderr);
exit(1);
}
dump_format(efc, 0, filename, 1);
if(av_write_header(efc) < 0) {
- fprintf(stderr, "Could not write header for output file \n");
+ fprintf(stderr, "Could not write header for output file \n"); fflush(stderr);
exit(1);
}
- video_buffer = (unsigned char *)av_malloc(VIDEO_BUFFER_SIZE); ALLOC(dcc, "mov_encoder, video_buffer");
+ video_buffer = (unsigned char *)av_malloc(VIDEO_BUFFER_SIZE);
av_init_packet(&epkt);
@@ -141,20 +141,20 @@ MovEncoder::MovEncoder(const char *filename)
//////////////////// DECODE INIT
AVCodec *deccodec;
// AVCodecContext *dcc= NULL;
- printf("Video decoding\n");
+ fprintf(stderr, "Video decoding\n");
- /* find the dvvideo decoder */
+ // find the dvvideo decoder
deccodec = avcodec_find_decoder(CODEC_ID_DVVIDEO);
if (!deccodec) {
- fprintf(stderr, "codec not found\n");
+ fprintf(stderr, "codec not found\n"); fflush(stderr);
exit(1);
}
- dcc= avcodec_alloc_context(); ALLOC(dcc, "mov_encoder, dcc");
+ dcc= avcodec_alloc_context();
- /* open it */
+ // open it
if (avcodec_open(dcc, deccodec) < 0) {
- fprintf(stderr, "could not open codec\n");
+ fprintf(stderr, "could not open codec\n"); fflush(stderr);
exit(1);
}
}
@@ -166,32 +166,41 @@ MovEncoder::~MovEncoder()
}
void MovEncoder::encode(Frame *dvframe)
-{
+{
+ encode_video(dvframe);
+ // encode_audio(dvframe);
+}
+
+
+void MovEncoder::encode_video(Frame *dvframe)
+{
+ int16_t audiobuffer[48000];
int ret;
- AVFrame *rawframe = avcodec_alloc_frame();ALLOC(dcc, "mov_encoder, rawframe");
+ AVFrame *rawframe = avcodec_alloc_frame();
- ///////////////////////// DECODE
uint8_t *ptr;
int got_picture = 1;
+ int got_sound = 1;
int len;
ptr = (uint8_t *)dvframe->data;
len = dvframe->size;
+ ///////////////////////// DECODE VIDEO
+
ret = avcodec_decode_video(dcc,//&dfc->streams[0]->codec,
rawframe, &got_picture, ptr, len);
-
if(!ret) {
- printf("Decoder fuckup!\n");
+ fprintf(stderr, "Decoder fuckup during video decoding!\n"); fflush(stderr);
return;
}
-
- ///////////////////////// ENCODE
+
+ ///////////////////////// ENCODE VIDEO
ret = avcodec_encode_video(ecc, video_buffer, VIDEO_BUFFER_SIZE, rawframe);
if(!ret) {
- printf("MovEncoder fuckup!\n");
+ fprintf(stderr, "MovEncoder fuckup during video encoding!\n"); fflush(stderr);
return;
}
@@ -206,3 +215,120 @@ void MovEncoder::encode(Frame *dvframe)
av_free(rawframe); FREE(rawframe);
}
+
+#define INBUF_SIZE 48000
+void MovEncoder::encode_audio(Frame *dvframe)
+{
+ uint8_t *decbuf;
+
+ ///////////////////////// DECODE AUDIO
+ {
+ AVCodec *codec;
+ AVCodecContext *c= NULL;
+ int out_size, size, len;
+ uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr;
+
+ printf("Audio decoding\n");
+
+ /* 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);
+
+ /* find the mpeg audio decoder */
+ codec = avcodec_find_decoder(CODEC_ID_DVAUDIO);
+ 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);
+ }
+
+ decbuf = (uint8_t*)malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE);
+
+
+ /* decode until eof */
+ size = dvframe->size;
+ inbuf_ptr = dvframe->data;
+
+ while (size > 0) {
+ len = avcodec_decode_audio(c, (short *)decbuf, &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 */
+ }
+ size -= len;
+ inbuf_ptr += len;
+ }
+
+ avcodec_close(c);
+ av_free(c);
+ }
+ ///////////////////////// ENCODE AUDIO
+ {
+ char filename[]="audio.mp2";
+ 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 = (short int*)malloc(frame_size * 2 * c->channels);
+ outbuf_size = 10000;
+ outbuf = (uint8_t*)malloc(outbuf_size);
+
+ f = fopen(filename, "a");
+ if (!f) {
+ fprintf(stderr, "could not open %s\n", filename);
+ exit(1);
+ }
+
+ // encode the sample
+ out_size = avcodec_encode_audio(c, outbuf, outbuf_size, (const short int*)decbuf);
+ fwrite(outbuf, 1, out_size, f);
+
+ fclose(f);
+ free(outbuf);
+ free(samples);
+
+ avcodec_close(c);
+ av_free(c);
+ }
+
+ // Don't free outputbuffer until this point!
+ free(decbuf);
+}
diff --git a/src/mov_encoder.h b/src/mov_encoder.h
index ecdb95e..45d7676 100644
--- a/src/mov_encoder.h
+++ b/src/mov_encoder.h
@@ -41,6 +41,9 @@ class MovEncoder {
void encode(Frame *frame);
private:
+ void encode_video(Frame *frame);
+ void encode_audio(Frame *frame);
+
// Decoder
AVFormatContext *dfc;
AVCodecContext *dcc;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 06:17:45 +0000