Signed-off-by: Paul B Mahol <onemda@gmail.com>
Paul B Mahol authored on 2013/10/06 21:51:08... | ... |
@@ -744,6 +744,7 @@ OBJS-$(CONFIG_COOK_PARSER) += cook_parser.o |
744 | 744 |
OBJS-$(CONFIG_DCA_PARSER) += dca_parser.o dca.o |
745 | 745 |
OBJS-$(CONFIG_DIRAC_PARSER) += dirac_parser.o |
746 | 746 |
OBJS-$(CONFIG_DNXHD_PARSER) += dnxhd_parser.o |
747 |
+OBJS-$(CONFIG_DPX_PARSER) += dpx_parser.o |
|
747 | 748 |
OBJS-$(CONFIG_DVBSUB_PARSER) += dvbsub_parser.o |
748 | 749 |
OBJS-$(CONFIG_DVD_NAV_PARSER) += dvd_nav_parser.o |
749 | 750 |
OBJS-$(CONFIG_DVDSUB_PARSER) += dvdsub_parser.o |
... | ... |
@@ -525,6 +525,7 @@ void avcodec_register_all(void) |
525 | 525 |
REGISTER_PARSER(DCA, dca); |
526 | 526 |
REGISTER_PARSER(DIRAC, dirac); |
527 | 527 |
REGISTER_PARSER(DNXHD, dnxhd); |
528 |
+ REGISTER_PARSER(DPX, dpx); |
|
528 | 529 |
REGISTER_PARSER(DVBSUB, dvbsub); |
529 | 530 |
REGISTER_PARSER(DVDSUB, dvdsub); |
530 | 531 |
REGISTER_PARSER(DVD_NAV, dvd_nav); |
531 | 532 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,108 @@ |
0 |
+/* |
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+ * DPX parser |
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+ * Copyright (c) 2013 Paul B Mahol |
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+ * |
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+ * This file is part of FFmpeg. |
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+ * |
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+ * FFmpeg is free software; you can redistribute it and/or |
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+ * modify it under the terms of the GNU Lesser General Public |
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+ * License as published by the Free Software Foundation; either |
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+ * version 2.1 of the License, or (at your option) any later version. |
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+ * |
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+ * FFmpeg is distributed in the hope that it will be useful, |
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ * Lesser General Public License for more details. |
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+ * |
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+ * You should have received a copy of the GNU Lesser General Public |
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+ * License along with FFmpeg; if not, write to the Free Software |
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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+ */ |
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+ |
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+/** |
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+ * @file |
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+ * DPX parser |
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+ */ |
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+ |
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+#include "libavutil/bswap.h" |
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+#include "parser.h" |
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+ |
|
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+typedef struct DPXParseContext { |
|
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+ ParseContext pc; |
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+ uint32_t index; |
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+ uint32_t fsize; |
|
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+ uint32_t remaining_size; |
|
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+ int is_be; |
|
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+} DPXParseContext; |
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+ |
|
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+static int dpx_parse(AVCodecParserContext *s, AVCodecContext *avctx, |
|
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+ const uint8_t **poutbuf, int *poutbuf_size, |
|
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+ const uint8_t *buf, int buf_size) |
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+{ |
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+ DPXParseContext *d = s->priv_data; |
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+ uint32_t state = d->pc.state; |
|
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+ int next = END_NOT_FOUND; |
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+ int i = 0; |
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+ |
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+ s->pict_type = AV_PICTURE_TYPE_I; |
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+ |
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+ *poutbuf_size = 0; |
|
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+ if (buf_size == 0) |
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+ return 0; |
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+ |
|
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+ if (!d->pc.frame_start_found) { |
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+ for (; i < buf_size; i++) { |
|
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+ state = (state << 8) | buf[i]; |
|
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+ if (state == MKBETAG('S','D','P','X') || |
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+ state == MKTAG('S','D','P','X')) { |
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+ d->pc.frame_start_found = 1; |
|
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+ d->is_be = state == MKBETAG('S','D','P','X'); |
|
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+ break; |
|
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+ } |
|
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+ } |
|
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+ d->pc.state = state; |
|
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+ } else { |
|
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+ if (d->remaining_size) { |
|
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+ i = FFMIN(d->remaining_size, buf_size); |
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+ d->remaining_size -= i; |
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+ if (d->remaining_size) |
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+ goto flush; |
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+ next = i; |
|
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+ } |
|
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+ } |
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+ |
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+ for (;d->pc.frame_start_found && i < buf_size; i++) { |
|
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+ d->pc.state = (d->pc.state << 8) | buf[i]; |
|
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+ if (d->index == 16) { |
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+ d->fsize = d->is_be ? d->pc.state : av_bswap32(d->pc.state); |
|
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+ if (d->fsize <= 1664) { |
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+ d->index = d->pc.frame_start_found = 0; |
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+ goto flush; |
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+ } |
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+ d->index = 0; |
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+ if (d->fsize > buf_size - i + 19) |
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+ d->remaining_size = d->fsize - buf_size + i - 19; |
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+ else |
|
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+ next = d->fsize + i - 19; |
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+ break; |
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+ } |
|
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+ d->index++; |
|
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+ } |
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+ |
|
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+flush: |
|
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+ if (ff_combine_frame(&d->pc, next, &buf, &buf_size) < 0) |
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+ return buf_size; |
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+ |
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+ d->index = d->pc.frame_start_found = 0; |
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+ |
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+ *poutbuf = buf; |
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+ *poutbuf_size = buf_size; |
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+ return next; |
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+} |
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+ |
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+AVCodecParser ff_dpx_parser = { |
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+ .codec_ids = { AV_CODEC_ID_DPX }, |
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+ .priv_data_size = sizeof(DPXParseContext), |
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+ .parser_parse = dpx_parse, |
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+ .parser_close = ff_parse_close, |
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+}; |
... | ... |
@@ -29,7 +29,7 @@ |
29 | 29 |
#include "libavutil/avutil.h" |
30 | 30 |
|
31 | 31 |
#define LIBAVCODEC_VERSION_MAJOR 55 |
32 |
-#define LIBAVCODEC_VERSION_MINOR 34 |
|
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+#define LIBAVCODEC_VERSION_MINOR 35 |
|
33 | 33 |
#define LIBAVCODEC_VERSION_MICRO 100 |
34 | 34 |
|
35 | 35 |
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |