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avidec: export creation_date as metadata
Originally committed as revision 25785 to svn://svn.ffmpeg.org/ffmpeg/trunk
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58935b25d0
commit
933875a0f5
@ -22,6 +22,7 @@
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//#define DEBUG
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//#define DEBUG_SEEK
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#include <strings.h>
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#include "libavutil/intreadwrite.h"
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#include "libavutil/bswap.h"
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#include "libavcodec/bytestream.h"
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@ -282,6 +283,24 @@ static void avi_read_info(AVFormatContext *s, uint64_t end)
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}
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}
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static const char months[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
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static void avi_metadata_creation_time(AVMetadata **metadata, char *date)
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{
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char month[4], time[9], buffer[64];
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int i, day, year;
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/* parse standard AVI date format (ie. "Mon Mar 10 15:04:43 2003") */
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if (sscanf(date, "%*3s%*[ ]%3s%*[ ]%2d%*[ ]%8s%*[ ]%4d",
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month, &day, time, &year) == 4)
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for (i=0; i<12; i++)
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if (!strcasecmp(month, months[i])) {
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snprintf(buffer, sizeof(buffer), "%.4d-%.2d-%.2d %s",
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year, i+1, day, time);
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av_metadata_set2(metadata, "creation_time", buffer, 0);
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}
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}
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static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
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{
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AVIContext *avi = s->priv_data;
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@ -337,6 +356,14 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
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avi_read_info(s, list_end);
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break;
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case MKTAG('I', 'D', 'I', 'T'): {
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unsigned char date[64] = {0};
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size += (size & 1);
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size -= get_buffer(pb, date, FFMIN(size, sizeof(date)-1));
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url_fskip(pb, size);
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avi_metadata_creation_time(&s->metadata, date);
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break;
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}
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case MKTAG('d', 'm', 'l', 'h'):
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avi->is_odml = 1;
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url_fskip(pb, size + (size & 1));
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