* 50 Mbps (DVCPRO50) support
* Copyright (c) 2006 Daniel Maas <dmaas@maasdigital.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <time.h>
#include <stdarg.h>
+
#include "avformat.h"
+#include "internal.h"
#include "libavcodec/dvdata.h"
#include "dv.h"
#include "libavutil/fifo.h"
+#include "libavutil/mathematics.h"
struct DVMuxContext {
const DVprofile* sys; /* current DV profile, e.g.: 525/60, 625/50 */
AVStream *ast[2]; /* stereo audio streams */
AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */
int frames; /* current frame number */
- time_t start_time; /* recording start time */
+ int64_t start_time; /* recording start time */
int has_audio; /* frame under contruction has audio */
int has_video; /* frame under contruction has video */
uint8_t frame_buf[DV_MAX_FRAME_SIZE]; /* frame under contruction */
if (of*2 >= size)
continue;
- frame_ptr[d] = av_fifo_peek(c->audio_data[channel], of*2+1); // FIXME: maybe we have to admit
- frame_ptr[d+1] = av_fifo_peek(c->audio_data[channel], of*2); // that DV is a big-endian PCM
+ frame_ptr[d] = *av_fifo_peek2(c->audio_data[channel], of*2+1); // FIXME: maybe we have to admit
+ frame_ptr[d+1] = *av_fifo_peek2(c->audio_data[channel], of*2); // that DV is a big-endian PCM
}
frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */
}
* The following 3 functions constitute our interface to the world
*/
-int dv_assemble_frame(DVMuxContext *c, AVStream* st,
- uint8_t* data, int data_size, uint8_t** frame)
+static int dv_assemble_frame(DVMuxContext *c, AVStream* st,
+ uint8_t* data, int data_size, uint8_t** frame)
{
int i, reqasize;
reqasize = 4 * dv_audio_frame_size(c->sys, c->frames);
switch (st->codec->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
/* FIXME: we have to have more sensible approach than this one */
if (c->has_video)
av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames);
memcpy(*frame, data, c->sys->frame_size);
c->has_video = 1;
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
for (i = 0; i < c->n_ast && st != c->ast[i]; i++);
/* FIXME: we have to have more sensible approach than this one */
return 0;
}
-DVMuxContext* dv_init_mux(AVFormatContext* s)
+static DVMuxContext* dv_init_mux(AVFormatContext* s)
{
DVMuxContext *c = s->priv_data;
AVStream *vst = NULL;
+ AVDictionaryEntry *t;
int i;
/* we support at most 1 video and 2 audio streams */
/* We have to sort out where audio and where video stream is */
for (i=0; i<s->nb_streams; i++) {
switch (s->streams[i]->codec->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
if (vst) return NULL;
vst = s->streams[i];
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
if (c->n_ast > 1) return NULL;
c->ast[c->n_ast++] = s->streams[i];
break;
c->ast[i]->codec->channels != 2))
goto bail_out;
}
- c->sys = ff_dv_codec_profile(vst->codec);
+ c->sys = avpriv_dv_codec_profile(vst->codec);
if (!c->sys)
goto bail_out;
c->frames = 0;
c->has_audio = 0;
c->has_video = 0;
- c->start_time = (time_t)s->timestamp;
+#if FF_API_TIMESTAMP
+ if (s->timestamp)
+ c->start_time = s->timestamp;
+ else
+#endif
+ if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
+ c->start_time = ff_iso8601_to_unix_time(t->value);
for (i=0; i < c->n_ast; i++) {
if (c->ast[i] && !(c->audio_data[i]=av_fifo_alloc(100*AVCODEC_MAX_AUDIO_FRAME_SIZE))) {
return NULL;
}
-void dv_delete_mux(DVMuxContext *c)
+static void dv_delete_mux(DVMuxContext *c)
{
int i;
for (i=0; i < c->n_ast; i++)
av_fifo_free(c->audio_data[i]);
}
-#if CONFIG_DV_MUXER
static int dv_write_header(AVFormatContext *s)
{
if (!dv_init_mux(s)) {
fsize = dv_assemble_frame(s->priv_data, s->streams[pkt->stream_index],
pkt->data, pkt->size, &frame);
if (fsize > 0) {
- put_buffer(s->pb, frame, fsize);
- put_flush_packet(s->pb);
+ avio_write(s->pb, frame, fsize);
+ avio_flush(s->pb);
}
return 0;
}
return 0;
}
-AVOutputFormat dv_muxer = {
- "dv",
- NULL_IF_CONFIG_SMALL("DV video format"),
- NULL,
- "dv",
- sizeof(DVMuxContext),
- CODEC_ID_PCM_S16LE,
- CODEC_ID_DVVIDEO,
- dv_write_header,
- dv_write_packet,
- dv_write_trailer,
+AVOutputFormat ff_dv_muxer = {
+ .name = "dv",
+ .long_name = NULL_IF_CONFIG_SMALL("DV video format"),
+ .extensions = "dv",
+ .priv_data_size = sizeof(DVMuxContext),
+ .audio_codec = CODEC_ID_PCM_S16LE,
+ .video_codec = CODEC_ID_DVVIDEO,
+ .write_header = dv_write_header,
+ .write_packet = dv_write_packet,
+ .write_trailer = dv_write_trailer,
};
-#endif /* CONFIG_DV_MUXER */
projects / ffmpeg / blobdiff