#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
+#define MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
+
struct DVMuxContext {
const DVprofile* sys; /* current DV profile, e.g.: 525/60, 625/50 */
int n_ast; /* number of stereo audio streams (up to 2) */
AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */
int frames; /* current frame number */
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 */
+ int has_audio; /* frame under construction has audio */
+ int has_video; /* frame under construction has video */
+ uint8_t frame_buf[DV_MAX_FRAME_SIZE]; /* frame under construction */
};
static const int dv_aaux_packs_dist[12][9] = {
(1 << 3) | /* recording mode: 1 -- original */
7;
buf[3] = (1 << 7) | /* direction: 1 -- forward */
- (c->sys->pix_fmt == PIX_FMT_YUV420P ? 0x20 : /* speed */
+ (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0x20 : /* speed */
c->sys->ltc_divisor * 4);
buf[4] = (1 << 7) | /* reserved -- always 1 */
0x7f; /* genre category */
for (i = 0; i < c->n_ast && st != c->ast[i]; i++);
/* FIXME: we have to have more sensible approach than this one */
- if (av_fifo_size(c->audio_data[i]) + data_size >= 100*AVCODEC_MAX_AUDIO_FRAME_SIZE)
+ if (av_fifo_size(c->audio_data[i]) + data_size >= 100*MAX_AUDIO_FRAME_SIZE)
av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames);
av_fifo_generic_write(c->audio_data[i], data, data_size, NULL);
}
/* Some checks -- DV format is very picky about its incoming streams */
- if (!vst || vst->codec->codec_id != CODEC_ID_DVVIDEO)
+ if (!vst || vst->codec->codec_id != AV_CODEC_ID_DVVIDEO)
goto bail_out;
for (i=0; i<c->n_ast; i++) {
- if (c->ast[i] && (c->ast[i]->codec->codec_id != CODEC_ID_PCM_S16LE ||
+ if (c->ast[i] && (c->ast[i]->codec->codec_id != AV_CODEC_ID_PCM_S16LE ||
c->ast[i]->codec->sample_rate != 48000 ||
c->ast[i]->codec->channels != 2))
goto bail_out;
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))) {
+ if (c->ast[i] && !(c->audio_data[i]=av_fifo_alloc(100*MAX_AUDIO_FRAME_SIZE))) {
while (i > 0) {
i--;
av_fifo_free(c->audio_data[i]);
AVOutputFormat ff_dv_muxer = {
.name = "dv",
- .long_name = NULL_IF_CONFIG_SMALL("DV video"),
+ .long_name = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
.extensions = "dv",
.priv_data_size = sizeof(DVMuxContext),
- .audio_codec = CODEC_ID_PCM_S16LE,
- .video_codec = CODEC_ID_DVVIDEO,
+ .audio_codec = AV_CODEC_ID_PCM_S16LE,
+ .video_codec = AV_CODEC_ID_DVVIDEO,
.write_header = dv_write_header,
.write_packet = dv_write_packet,
.write_trailer = dv_write_trailer,