mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
began to simplify code - use modified API for stream reading
Originally committed as revision 548 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
c9a65ca8c3
commit
79fdaa4cc0
505
ffmpeg.c
505
ffmpeg.c
@ -71,7 +71,8 @@ static int nb_output_files = 0;
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static AVStreamMap stream_maps[MAX_FILES];
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static int nb_stream_maps;
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static AVFormat *file_format;
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static AVInputFormat *file_iformat;
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static AVOutputFormat *file_oformat;
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static int frame_width = 160;
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static int frame_height = 128;
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static int frame_rate = 25 * FRAME_RATE_BASE;
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@ -151,6 +152,7 @@ typedef struct AVInputFile {
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int buffer_size; /* current total buffer size */
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int buffer_size_max; /* buffer size at which we consider we can stop
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buffering */
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int nb_streams; /* nb streams we are aware of */
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} AVInputFile;
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#ifndef CONFIG_WIN32
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@ -224,12 +226,12 @@ static int read_key(void)
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int read_ffserver_streams(AVFormatContext *s, const char *filename)
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{
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int i;
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int i, err;
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AVFormatContext *ic;
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ic = av_open_input_file(filename, NULL, FFM_PACKET_SIZE, NULL);
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if (!ic)
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return -EIO;
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err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
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if (err < 0)
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return err;
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/* copy stream format */
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s->nb_streams = ic->nb_streams;
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for(i=0;i<ic->nb_streams;i++) {
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@ -281,7 +283,7 @@ static void do_audio_out(AVFormatContext *s,
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&ost->fifo.rptr) == 0) {
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ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
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(short *)audio_buf);
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s->format->write_packet(s, ost->index, audio_out, ret, 0);
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s->oformat->write_packet(s, ost->index, audio_out, ret, 0);
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}
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} else {
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/* output a pcm frame */
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@ -298,7 +300,7 @@ static void do_audio_out(AVFormatContext *s,
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}
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ret = avcodec_encode_audio(enc, audio_out, size_out,
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(short *)buftmp);
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s->format->write_packet(s, ost->index, audio_out, ret, 0);
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s->oformat->write_packet(s, ost->index, audio_out, ret, 0);
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}
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}
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@ -394,7 +396,7 @@ static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
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default:
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return;
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}
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s->format->write_packet(s, index, buf, size, 0);
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s->oformat->write_packet(s, index, buf, size, 0);
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av_free(buf);
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}
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@ -417,7 +419,7 @@ static void do_video_out(AVFormatContext *s,
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frame_number = ist->frame_number;
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dec_frame_rate = ist->st->r_frame_rate;
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//fprintf(stderr, "\n%d", dec_frame_rate);
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// fprintf(stderr, "\n%d", dec_frame_rate);
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/* first drop frame if needed */
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n1 = ((INT64)frame_number * enc->frame_rate) / dec_frame_rate;
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n2 = (((INT64)frame_number + 1) * enc->frame_rate) / dec_frame_rate;
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@ -495,7 +497,7 @@ static void do_video_out(AVFormatContext *s,
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video_buffer, sizeof(video_buffer),
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picture);
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//enc->frame_number = enc->real_pict_num;
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s->format->write_packet(s, ost->index, video_buffer, ret, 0);
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s->oformat->write_packet(s, ost->index, video_buffer, ret, 0);
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*frame_size = ret;
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//fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
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// enc->frame_number-1, enc->real_pict_num, ret,
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@ -565,32 +567,6 @@ static void do_video_stats(AVOutputStream *ost,
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}
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static void hex_dump(UINT8 *buf, int size)
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{
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int len, i, j, c;
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for(i=0;i<size;i+=16) {
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len = size - i;
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if (len > 16)
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len = 16;
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printf("%08x ", i);
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for(j=0;j<16;j++) {
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if (j < len)
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printf(" %02x", buf[i+j]);
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else
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printf(" ");
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}
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printf(" ");
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for(j=0;j<len;j++) {
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c = buf[i+j];
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if (c < ' ' || c > '~')
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c = '.';
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printf("%c", c);
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}
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printf("\n");
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}
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}
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/*
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* The following code is the main loop of the file converter
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*/
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@ -618,6 +594,7 @@ static int av_encode(AVFormatContext **output_files,
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for(i=0;i<nb_input_files;i++) {
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is = input_files[i];
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file_table[i].ist_index = j;
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file_table[i].nb_streams = is->nb_streams;
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j += is->nb_streams;
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}
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nb_istreams = j;
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@ -875,7 +852,7 @@ static int av_encode(AVFormatContext **output_files,
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/* open files and write file headers */
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for(i=0;i<nb_output_files;i++) {
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os = output_files[i];
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if (os->format->write_header(os) < 0) {
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if (av_write_header(os) < 0) {
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fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
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ret = -EINVAL;
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goto fail;
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@ -949,6 +926,10 @@ static int av_encode(AVFormatContext **output_files,
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} else {
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stream_no_data = 0;
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}
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/* the following test is needed in case new streams appear
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dynamically in stream : we ignore them */
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if (pkt.stream_index >= file_table[file_index].nb_streams)
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continue;
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ist_index = file_table[file_index].ist_index + pkt.stream_index;
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ist = ist_table[ist_index];
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if (ist->discard) {
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@ -960,7 +941,7 @@ static int av_encode(AVFormatContext **output_files,
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if (do_hex_dump) {
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printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
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hex_dump(pkt.data, pkt.size);
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av_hex_dump(pkt.data, pkt.size);
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}
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// printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
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@ -1093,7 +1074,7 @@ static int av_encode(AVFormatContext **output_files,
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} else {
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/* no reencoding needed : output the packet directly */
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/* force the input stream PTS */
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os->format->write_packet(os, ost->index, data_buf, data_size, pkt.pts);
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os->oformat->write_packet(os, ost->index, data_buf, data_size, pkt.pts);
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}
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}
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}
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@ -1219,7 +1200,7 @@ static int av_encode(AVFormatContext **output_files,
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/* write the trailer if needed and close file */
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for(i=0;i<nb_output_files;i++) {
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os = output_files[i];
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os->format->write_trailer(os);
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av_write_trailer(os);
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}
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/* finished ! */
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@ -1300,14 +1281,12 @@ void show_licence(void)
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void opt_format(const char *arg)
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{
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AVFormat *f;
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f = first_format;
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while (f != NULL && strcmp(f->name, arg) != 0) f = f->next;
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if (f == NULL) {
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fprintf(stderr, "Invalid format: %s\n", arg);
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file_iformat = av_find_input_format(arg);
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file_oformat = guess_format(arg, NULL, NULL);
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if (!file_iformat && !file_oformat) {
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fprintf(stderr, "Unknown input or output format: %s\n", arg);
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exit(1);
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}
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file_format = f;
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}
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void opt_video_bitrate(const char *arg)
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@ -1514,243 +1493,25 @@ void opt_recording_time(const char *arg)
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recording_time = parse_date(arg, 1);
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}
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/* return the number of packet read to find the codec parameters */
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int find_codec_parameters(AVFormatContext *ic)
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void print_error(const char *filename, int err)
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{
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int val, i, count, ret, got_picture, size;
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AVCodec *codec;
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AVCodecContext *enc;
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AVStream *st;
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AVPacket *pkt;
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AVPicture picture;
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AVPacketList *pktl=NULL, **ppktl;
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short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
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UINT8 *ptr;
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count = 0;
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ppktl = &ic->packet_buffer;
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for(;;) {
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for(i=0;i<ic->nb_streams;i++) {
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enc = &ic->streams[i]->codec;
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switch(enc->codec_type) {
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case CODEC_TYPE_AUDIO:
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val = enc->sample_rate;
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break;
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case CODEC_TYPE_VIDEO:
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val = enc->width;
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break;
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default:
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val = 1;
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break;
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}
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/* if no parameters supplied, then we should read it from
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the stream */
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if (val == 0)
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break;
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}
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if (i == ic->nb_streams) {
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ret = count;
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break;
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}
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if (count == 0) {
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/* open each codec */
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for(i=0;i<ic->nb_streams;i++) {
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st = ic->streams[i];
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codec = avcodec_find_decoder(st->codec.codec_id);
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if (codec == NULL) {
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ret = -1;
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goto the_end;
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}
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ret = avcodec_open(&st->codec, codec);
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if (ret < 0)
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goto the_end;
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}
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}
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pktl = av_mallocz(sizeof(AVPacketList));
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if (!pktl) {
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ret = -1;
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break;
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}
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/* add the packet in the buffered packet list */
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*ppktl = pktl;
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ppktl = &pktl->next;
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pkt = &pktl->pkt;
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if (ic->format->read_packet(ic, pkt) < 0) {
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ret = -1;
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break;
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}
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st = ic->streams[pkt->stream_index];
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/* decode the data and update codec parameters */
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ptr = pkt->data;
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size = pkt->size;
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while (size > 0) {
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switch(st->codec.codec_type) {
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case CODEC_TYPE_VIDEO:
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ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
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if (st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
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//mpegvid = pkt->stream_index;
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//fps = st->codec.frame_rate;
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}
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break;
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case CODEC_TYPE_AUDIO:
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ret = avcodec_decode_audio(&st->codec, samples, &got_picture, ptr, size);
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break;
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default:
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ret = -1;
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break;
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}
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if (ret < 0) {
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ret = -1;
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goto the_end;
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}
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if (got_picture)
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break;
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ptr += ret;
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size -= ret;
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}
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count++;
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}
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the_end:
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if (count > 0) {
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/* close each codec */
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for(i=0;i<ic->nb_streams;i++) {
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st = ic->streams[i];
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avcodec_close(&st->codec);
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}
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}
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return ret;
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}
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/* Returns the real frame rate of telecine streams */
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int get_real_fps(AVFormatContext *ic, AVFormat *fmt, AVFormatParameters *ap, int stream_id)
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{
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int frame_num, r_frames, fps, rfps;
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int ret, got_picture, size;
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UINT8 *ptr;
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AVStream *st;
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AVPacket *pkt;
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AVPicture picture;
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AVPacketList *pktl=NULL, **ppktl=NULL;
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AVCodec *codec;
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AVFormatContext *fc;
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frame_num = 0;
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r_frames = 0;
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fps = rfps = -1;
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if (stream_id < 0 || stream_id >= ic->nb_streams)
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return -1;
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/* We must use another AVFormatContext, and open the
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file again, since we do not have good seeking */
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fc = av_mallocz(sizeof(AVFormatContext));
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if (!fc)
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goto the_end;
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strcpy(fc->filename, ic->filename);
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/* open file */
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if (!(fmt->flags & AVFMT_NOFILE)) {
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if (url_fopen(&fc->pb, fc->filename, URL_RDONLY) < 0) {
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fprintf(stderr, "Could not open '%s'\n", fc->filename);
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exit(1);
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}
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}
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/* check format */
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if (!fmt) {
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goto the_end;
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}
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fc->format = fmt;
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/* Read header */
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ret = fc->format->read_header(fc, ap);
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if (ret < 0) {
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fprintf(stderr, "%s: Error while parsing header\n", fc->filename);
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goto the_end;
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}
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/* Find and open codec */
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st = fc->streams[stream_id];
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codec = avcodec_find_decoder(st->codec.codec_id);
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if (codec == NULL) {
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goto the_end;
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}
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ret = avcodec_open(&st->codec, codec);
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if (ret < 0)
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goto the_end;
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ppktl = &fc->packet_buffer;
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if (stream_id > -1) {
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/* check telecine MPEG video streams, we */
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/* decode 40 frames to get the real fps */
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while(1) {
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pktl = av_mallocz(sizeof(AVPacketList));
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if (!pktl) {
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goto the_end;
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break;
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}
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/* add the packet in the buffered packet list */
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*ppktl = pktl;
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ppktl = &pktl->next;
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pkt = &pktl->pkt;
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if (fc->format->read_packet(fc, pkt) < 0) {
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goto the_end;
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break;
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}
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st = fc->streams[pkt->stream_index];
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/* decode the video */
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ptr = pkt->data;
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size = pkt->size;
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while (size > 0) {
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if (pkt->stream_index == stream_id) {
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ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
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fps = st->codec.frame_rate;
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if (ret < 0) {
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goto the_end;
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}
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if (got_picture) {
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frame_num++;
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r_frames += st->codec.repeat_pict;
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}
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}
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ptr += ret;
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size -= ret;
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}
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if (frame_num > 39)
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break;
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}
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rfps = (fps * frame_num) / (frame_num + (r_frames >> 1));
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/* close codec */
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avcodec_close(&st->codec);
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}
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the_end:
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/* FIXME: leak in packet_buffer */
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av_free(fc);
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return rfps;
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}
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int filename_number_test(const char *filename)
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{
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char buf[1024];
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if (get_frame_filename(buf, sizeof(buf), filename, 1) < 0) {
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switch(err) {
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case AVERROR_NUMEXPECTED:
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fprintf(stderr, "%s: Incorrect image filename syntax.\n"
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"Use '%%d' to specify the image number:\n"
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" for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
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" for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
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filename);
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return -1;
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} else {
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return 0;
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break;
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case AVERROR_INVALIDDATA:
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fprintf(stderr, "%s: Error while parsing header\n", filename);
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break;
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case AVERROR_NOFMT:
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fprintf(stderr, "%s: Unknown format\n", filename);
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break;
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default:
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fprintf(stderr, "%s: Error while opening file\n", filename);
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break;
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}
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}
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@ -1758,79 +1519,26 @@ void opt_input_file(const char *filename)
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{
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AVFormatContext *ic;
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AVFormatParameters params, *ap = ¶ms;
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URLFormat url_format;
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AVFormat *fmt;
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int err, i, ret, rfps;
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ic = av_mallocz(sizeof(AVFormatContext));
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strcpy(ic->filename, filename);
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/* first format guess to know if we must open file */
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fmt = file_format;
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if (!fmt)
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fmt = guess_format(NULL, filename, NULL);
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if (fmt == NULL || !(fmt->flags & AVFMT_NOFILE)) {
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/* open file */
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if (url_fopen(&ic->pb, filename, URL_RDONLY) < 0) {
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fprintf(stderr, "Could not open '%s'\n", filename);
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exit(1);
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}
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/* find format and set default parameters */
|
||||
fmt = file_format;
|
||||
err = url_getformat(url_fileno(&ic->pb), &url_format);
|
||||
if (err >= 0) {
|
||||
if (!fmt)
|
||||
fmt = guess_format(url_format.format_name, NULL, NULL);
|
||||
ap->sample_rate = url_format.sample_rate;
|
||||
ap->frame_rate = url_format.frame_rate;
|
||||
ap->channels = url_format.channels;
|
||||
ap->width = url_format.width;
|
||||
ap->height = url_format.height;
|
||||
ap->pix_fmt = url_format.pix_fmt;
|
||||
} else {
|
||||
if (!fmt)
|
||||
fmt = guess_format(NULL, filename, NULL);
|
||||
memset(ap, 0, sizeof(*ap));
|
||||
}
|
||||
} else {
|
||||
memset(ap, 0, sizeof(*ap));
|
||||
}
|
||||
|
||||
if (!fmt || !fmt->read_header) {
|
||||
fprintf(stderr, "%s: Unknown file format\n", filename);
|
||||
exit(1);
|
||||
}
|
||||
ic->format = fmt;
|
||||
|
||||
/* get default parameters from command line */
|
||||
if (!ap->sample_rate)
|
||||
ap->sample_rate = audio_sample_rate;
|
||||
if (!ap->channels)
|
||||
ap->channels = audio_channels;
|
||||
memset(ap, 0, sizeof(*ap));
|
||||
ap->sample_rate = audio_sample_rate;
|
||||
ap->channels = audio_channels;
|
||||
ap->frame_rate = frame_rate;
|
||||
ap->width = frame_width;
|
||||
ap->height = frame_height;
|
||||
|
||||
if (!ap->frame_rate)
|
||||
ap->frame_rate = frame_rate;
|
||||
if (!ap->width)
|
||||
ap->width = frame_width;
|
||||
if (!ap->height)
|
||||
ap->height = frame_height;
|
||||
|
||||
/* check filename in case of an image number is expected */
|
||||
if (ic->format->flags & AVFMT_NEEDNUMBER) {
|
||||
if (filename_number_test(ic->filename) < 0)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
err = ic->format->read_header(ic, ap);
|
||||
/* open the input file with generic libav function */
|
||||
err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "%s: Error while parsing header\n", filename);
|
||||
print_error(filename, err);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* If not enough info for the codecs, we decode the first frames
|
||||
to get it. (used in mpeg case for example) */
|
||||
ret = find_codec_parameters(ic);
|
||||
/* If not enough info to get the stream parameters, we decode the
|
||||
first frames to get it. (used in mpeg case for example) */
|
||||
ret = av_find_stream_info(ic);
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "%s: could not find codec parameters\n", filename);
|
||||
exit(1);
|
||||
@ -1848,18 +1556,12 @@ void opt_input_file(const char *filename)
|
||||
case CODEC_TYPE_VIDEO:
|
||||
frame_height = enc->height;
|
||||
frame_width = enc->width;
|
||||
rfps = enc->frame_rate;
|
||||
if (enc->codec_id == CODEC_ID_MPEG1VIDEO) {
|
||||
rfps = get_real_fps(ic, fmt, ap, i);
|
||||
}
|
||||
if (rfps > 0 && rfps != enc->frame_rate) {
|
||||
frame_rate = rfps;
|
||||
rfps = ic->streams[i]->r_frame_rate;
|
||||
if (enc->frame_rate != rfps) {
|
||||
fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
|
||||
i, (float)enc->frame_rate / FRAME_RATE_BASE,
|
||||
(float)rfps / FRAME_RATE_BASE);
|
||||
} else
|
||||
frame_rate = enc->frame_rate;
|
||||
ic->streams[i]->r_frame_rate = rfps;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
abort();
|
||||
@ -1870,7 +1572,8 @@ void opt_input_file(const char *filename)
|
||||
/* dump the file content */
|
||||
dump_format(ic, nb_input_files, filename, 0);
|
||||
nb_input_files++;
|
||||
file_format = NULL;
|
||||
file_iformat = NULL;
|
||||
file_oformat = NULL;
|
||||
}
|
||||
|
||||
void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
|
||||
@ -1912,15 +1615,18 @@ void opt_output_file(const char *filename)
|
||||
|
||||
oc = av_mallocz(sizeof(AVFormatContext));
|
||||
|
||||
if (!file_format) {
|
||||
file_format = guess_format(NULL, filename, NULL);
|
||||
if (!file_format)
|
||||
file_format = &mpeg_mux_format;
|
||||
if (!file_oformat) {
|
||||
file_oformat = guess_format(NULL, filename, NULL);
|
||||
if (!file_oformat) {
|
||||
fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
|
||||
filename);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
oc->format = file_format;
|
||||
oc->oformat = file_oformat;
|
||||
|
||||
if (!strcmp(file_format->name, "ffm") &&
|
||||
if (!strcmp(file_oformat->name, "ffm") &&
|
||||
strstart(filename, "http:", NULL)) {
|
||||
/* special case for files sent to ffserver: we get the stream
|
||||
parameters from ffserver */
|
||||
@ -1929,8 +1635,8 @@ void opt_output_file(const char *filename)
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
use_video = file_format->video_codec != CODEC_ID_NONE;
|
||||
use_audio = file_format->audio_codec != CODEC_ID_NONE;
|
||||
use_video = file_oformat->video_codec != CODEC_ID_NONE;
|
||||
use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
|
||||
|
||||
/* disable if no corresponding type found and at least one
|
||||
input file */
|
||||
@ -1961,7 +1667,7 @@ void opt_output_file(const char *filename)
|
||||
}
|
||||
video_enc = &st->codec;
|
||||
|
||||
codec_id = file_format->video_codec;
|
||||
codec_id = file_oformat->video_codec;
|
||||
if (video_codec_id != CODEC_ID_NONE)
|
||||
codec_id = video_codec_id;
|
||||
|
||||
@ -2016,8 +1722,7 @@ void opt_output_file(const char *filename)
|
||||
video_enc->me_method = me_method;
|
||||
|
||||
/* XXX: need to find a way to set codec parameters */
|
||||
if (oc->format == &ppm_format ||
|
||||
oc->format == &ppmpipe_format) {
|
||||
if (oc->oformat->flags & AVFMT_RGB24) {
|
||||
video_enc->pix_fmt = PIX_FMT_RGB24;
|
||||
}
|
||||
|
||||
@ -2034,7 +1739,7 @@ void opt_output_file(const char *filename)
|
||||
exit(1);
|
||||
}
|
||||
audio_enc = &st->codec;
|
||||
codec_id = file_format->audio_codec;
|
||||
codec_id = file_oformat->audio_codec;
|
||||
if (audio_codec_id != CODEC_ID_NONE)
|
||||
codec_id = audio_codec_id;
|
||||
audio_enc->codec_id = codec_id;
|
||||
@ -2060,13 +1765,13 @@ void opt_output_file(const char *filename)
|
||||
}
|
||||
|
||||
if (str_title)
|
||||
nstrcpy(oc->title, sizeof(oc->title), str_title);
|
||||
pstrcpy(oc->title, sizeof(oc->title), str_title);
|
||||
if (str_author)
|
||||
nstrcpy(oc->author, sizeof(oc->author), str_author);
|
||||
pstrcpy(oc->author, sizeof(oc->author), str_author);
|
||||
if (str_copyright)
|
||||
nstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
|
||||
pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
|
||||
if (str_comment)
|
||||
nstrcpy(oc->comment, sizeof(oc->comment), str_comment);
|
||||
pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
|
||||
}
|
||||
|
||||
output_files[nb_output_files] = oc;
|
||||
@ -2077,12 +1782,14 @@ void opt_output_file(const char *filename)
|
||||
strcpy(oc->filename, filename);
|
||||
|
||||
/* check filename in case of an image number is expected */
|
||||
if (oc->format->flags & AVFMT_NEEDNUMBER) {
|
||||
if (filename_number_test(oc->filename) < 0)
|
||||
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
||||
if (filename_number_test(oc->filename) < 0) {
|
||||
print_error(oc->filename, AVERROR_NUMEXPECTED);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
if (!(oc->format->flags & AVFMT_NOFILE)) {
|
||||
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
||||
/* test if it already exists to avoid loosing precious files */
|
||||
if (!file_overwrite &&
|
||||
(strchr(filename, ':') == NULL ||
|
||||
@ -2108,7 +1815,8 @@ void opt_output_file(const char *filename)
|
||||
}
|
||||
|
||||
/* reset some options */
|
||||
file_format = NULL;
|
||||
file_oformat = NULL;
|
||||
file_iformat = NULL;
|
||||
audio_disable = 0;
|
||||
video_disable = 0;
|
||||
audio_codec_id = CODEC_ID_NONE;
|
||||
@ -2162,20 +1870,22 @@ void prepare_grab(void)
|
||||
}
|
||||
|
||||
if (has_video) {
|
||||
ic = av_open_input_file("", "video_grab_device", 0, ap);
|
||||
/* by now video grab has one stream */
|
||||
ic->streams[0]->r_frame_rate = ap->frame_rate;
|
||||
if (!ic) {
|
||||
AVInputFormat *fmt1;
|
||||
fmt1 = av_find_input_format("video_grab_device");
|
||||
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
|
||||
fprintf(stderr, "Could not open video grab device\n");
|
||||
exit(1);
|
||||
}
|
||||
/* by now video grab has one stream */
|
||||
ic->streams[0]->r_frame_rate = ap->frame_rate;
|
||||
input_files[nb_input_files] = ic;
|
||||
dump_format(ic, nb_input_files, v4l_device, 0);
|
||||
nb_input_files++;
|
||||
}
|
||||
if (has_audio) {
|
||||
ic = av_open_input_file("", "audio_device", 0, ap);
|
||||
if (!ic) {
|
||||
AVInputFormat *fmt1;
|
||||
fmt1 = av_find_input_format("audio_device");
|
||||
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
|
||||
fprintf(stderr, "Could not open audio grab device\n");
|
||||
exit(1);
|
||||
}
|
||||
@ -2198,15 +1908,14 @@ void prepare_grab(void)
|
||||
/* open the necessary output devices for playing */
|
||||
void prepare_play(void)
|
||||
{
|
||||
#ifndef __BEOS__
|
||||
file_format = guess_format("audio_device", NULL, NULL);
|
||||
if (!file_format) {
|
||||
AVOutputFormat *ofmt;
|
||||
ofmt = guess_format("audio_device", NULL, NULL);
|
||||
if (!ofmt) {
|
||||
fprintf(stderr, "Could not find audio device\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
opt_output_file(audio_device);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@ -2225,24 +1934,32 @@ INT64 getutime(void)
|
||||
}
|
||||
#endif
|
||||
|
||||
extern int ffm_nopts;
|
||||
|
||||
void opt_bitexact(void)
|
||||
{
|
||||
avcodec_set_bit_exact();
|
||||
/* disable generate of real time pts in ffm (need to be supressed anyway) */
|
||||
ffm_nopts = 1;
|
||||
}
|
||||
|
||||
void show_formats(void)
|
||||
{
|
||||
AVFormat *f;
|
||||
AVInputFormat *ifmt;
|
||||
AVOutputFormat *ofmt;
|
||||
URLProtocol *up;
|
||||
AVCodec *p;
|
||||
const char **pp;
|
||||
|
||||
printf("File formats:\n");
|
||||
printf(" Encoding:");
|
||||
for(f = first_format; f != NULL; f = f->next) {
|
||||
if (f->write_header)
|
||||
printf(" %s", f->name);
|
||||
for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
|
||||
printf(" %s", ofmt->name);
|
||||
}
|
||||
printf("\n");
|
||||
printf(" Decoding:");
|
||||
for(f = first_format; f != NULL; f = f->next) {
|
||||
if (f->read_header)
|
||||
printf(" %s", f->name);
|
||||
for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
|
||||
printf(" %s", ifmt->name);
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
@ -2380,7 +2097,7 @@ const OptionDef options[] = {
|
||||
"dump each input packet" },
|
||||
{ "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
|
||||
{ "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" },
|
||||
|
||||
{ "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
|
||||
{ NULL, },
|
||||
};
|
||||
|
||||
@ -2468,13 +2185,11 @@ int main(int argc, char **argv)
|
||||
|
||||
/* close files */
|
||||
for(i=0;i<nb_output_files;i++) {
|
||||
if (!(output_files[i]->format->flags & AVFMT_NOFILE))
|
||||
if (!(output_files[i]->oformat->flags & AVFMT_NOFILE))
|
||||
url_fclose(&output_files[i]->pb);
|
||||
}
|
||||
for(i=0;i<nb_input_files;i++) {
|
||||
if (!(input_files[i]->format->flags & AVFMT_NOFILE))
|
||||
url_fclose(&input_files[i]->pb);
|
||||
}
|
||||
for(i=0;i<nb_input_files;i++)
|
||||
av_close_input_file(input_files[i]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user