* utils.
*/
+#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
-#include "libavutil/integer.h"
#include "libavutil/crc.h"
+#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/audioconvert.h"
#include "libavutil/imgutils.h"
#include "libavutil/samplefmt.h"
+#include "libavutil/dict.h"
#include "avcodec.h"
#include "dsputil.h"
#include "libavutil/opt.h"
#include "thread.h"
#include "audioconvert.h"
#include "internal.h"
+#include "bytestream.h"
#include <stdlib.h>
#include <stdarg.h>
#include <limits.h>
static int volatile entangled_thread_counter=0;
static int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
static void *codec_mutex;
+static void *avformat_mutex;
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
{
*size= min_size;
}
+void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
+{
+ void **p = ptr;
+ if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+ av_freep(p);
+ *size = 0;
+ return;
+ }
+ av_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (*size)
+ memset((uint8_t *)*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+}
+
/* encoder management */
static AVCodec *first_avcodec = NULL;
else return first_avcodec;
}
+static void avcodec_init(void)
+{
+ static int initialized = 0;
+
+ if (initialized != 0)
+ return;
+ initialized = 1;
+
+ ff_dsputil_static_init();
+}
+
+int av_codec_is_encoder(AVCodec *codec)
+{
+ return codec && (codec->encode || codec->encode2);
+}
+
+int av_codec_is_decoder(AVCodec *codec)
+{
+ return codec && codec->decode;
+}
+
void avcodec_register(AVCodec *codec)
{
AVCodec **p;
while (*p != NULL) p = &(*p)->next;
*p = codec;
codec->next = NULL;
+
+ if (codec->init_static_data)
+ codec->init_static_data(codec);
}
unsigned avcodec_get_edge_width(void)
void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
s->coded_width = width;
s->coded_height= height;
- s->width = -((-width )>>s->lowres);
- s->height= -((-height)>>s->lowres);
+ s->width = width;
+ s->height = height;
}
-typedef struct InternalBuffer{
- int last_pic_num;
- uint8_t *base[4];
- uint8_t *data[4];
- int linesize[4];
- int width, height;
- enum PixelFormat pix_fmt;
-}InternalBuffer;
-
#define INTERNAL_BUFFER_SIZE (32+1)
-void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){
+void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
+ int linesize_align[AV_NUM_DATA_POINTERS])
+{
+ int i;
int w_align= 1;
int h_align= 1;
case PIX_FMT_YUV422P:
case PIX_FMT_YUV440P:
case PIX_FMT_YUV444P:
+ case PIX_FMT_GBRP:
case PIX_FMT_GRAY8:
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_YUV420P9BE:
case PIX_FMT_YUV420P10LE:
case PIX_FMT_YUV420P10BE:
+ case PIX_FMT_YUV422P9LE:
+ case PIX_FMT_YUV422P9BE:
case PIX_FMT_YUV422P10LE:
case PIX_FMT_YUV422P10BE:
- w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
- h_align= 16;
- if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP || s->codec_id == CODEC_ID_H264)
- h_align= 32; // interlaced is rounded up to 2 MBs
+ case PIX_FMT_YUV444P9LE:
+ case PIX_FMT_YUV444P9BE:
+ case PIX_FMT_YUV444P10LE:
+ case PIX_FMT_YUV444P10BE:
+ case PIX_FMT_GBRP9LE:
+ case PIX_FMT_GBRP9BE:
+ case PIX_FMT_GBRP10LE:
+ case PIX_FMT_GBRP10BE:
+ w_align = 16; //FIXME assume 16 pixel per macroblock
+ h_align = 16 * 2; // interlaced needs 2 macroblocks height
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411:
*width = FFALIGN(*width , w_align);
*height= FFALIGN(*height, h_align);
- if(s->codec_id == CODEC_ID_H264 || s->lowres)
+ if (s->codec_id == CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
- // which is also done in mpeg decoders with lowres > 0
-
- linesize_align[0] =
- linesize_align[1] =
- linesize_align[2] =
- linesize_align[3] = STRIDE_ALIGN;
-//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
-//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
-//picture size unneccessarily in some cases. The solution here is not
-//pretty and better ideas are welcome!
-#if HAVE_MMX
- if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
- s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
- s->codec_id == CODEC_ID_VP6A) {
- linesize_align[0] =
- linesize_align[1] =
- linesize_align[2] = 16;
- }
-#endif
+
+ for (i = 0; i < 4; i++)
+ linesize_align[i] = STRIDE_ALIGN;
}
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
- int linesize_align[4];
+ int linesize_align[AV_NUM_DATA_POINTERS];
int align;
avcodec_align_dimensions2(s, width, height, linesize_align);
align = FFMAX(linesize_align[0], linesize_align[3]);
*width=FFALIGN(*width, align);
}
-int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
+int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
+ enum AVSampleFormat sample_fmt, const uint8_t *buf,
+ int buf_size, int align)
+{
+ int ch, planar, needed_size, ret = 0;
+
+ needed_size = av_samples_get_buffer_size(NULL, nb_channels,
+ frame->nb_samples, sample_fmt,
+ align);
+ if (buf_size < needed_size)
+ return AVERROR(EINVAL);
+
+ planar = av_sample_fmt_is_planar(sample_fmt);
+ if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
+ if (!(frame->extended_data = av_mallocz(nb_channels *
+ sizeof(*frame->extended_data))))
+ return AVERROR(ENOMEM);
+ } else {
+ frame->extended_data = frame->data;
+ }
+
+ if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
+ buf, nb_channels, frame->nb_samples,
+ sample_fmt, align)) < 0) {
+ if (frame->extended_data != frame->data)
+ av_free(frame->extended_data);
+ return ret;
+ }
+ if (frame->extended_data != frame->data) {
+ for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
+ frame->data[ch] = frame->extended_data[ch];
+ }
+
+ return ret;
+}
+
+static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ AVCodecInternal *avci = avctx->internal;
+ InternalBuffer *buf;
+ int buf_size, ret;
+
+ buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
+ frame->nb_samples, avctx->sample_fmt,
+ 0);
+ if (buf_size < 0)
+ return AVERROR(EINVAL);
+
+ /* allocate InternalBuffer if needed */
+ if (!avci->buffer) {
+ avci->buffer = av_mallocz(sizeof(InternalBuffer));
+ if (!avci->buffer)
+ return AVERROR(ENOMEM);
+ }
+ buf = avci->buffer;
+
+ /* if there is a previously-used internal buffer, check its size and
+ channel count to see if we can reuse it */
+ if (buf->extended_data) {
+ /* if current buffer is too small, free it */
+ if (buf->extended_data[0] && buf_size > buf->audio_data_size) {
+ av_free(buf->extended_data[0]);
+ if (buf->extended_data != buf->data)
+ av_free(&buf->extended_data);
+ buf->extended_data = NULL;
+ buf->data[0] = NULL;
+ }
+ /* if number of channels has changed, reset and/or free extended data
+ pointers but leave data buffer in buf->data[0] for reuse */
+ if (buf->nb_channels != avctx->channels) {
+ if (buf->extended_data != buf->data)
+ av_free(buf->extended_data);
+ buf->extended_data = NULL;
+ }
+ }
+
+ /* if there is no previous buffer or the previous buffer cannot be used
+ as-is, allocate a new buffer and/or rearrange the channel pointers */
+ if (!buf->extended_data) {
+ if (!buf->data[0]) {
+ if (!(buf->data[0] = av_mallocz(buf_size)))
+ return AVERROR(ENOMEM);
+ buf->audio_data_size = buf_size;
+ }
+ if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
+ avctx->sample_fmt, buf->data[0],
+ buf->audio_data_size, 0)))
+ return ret;
+
+ if (frame->extended_data == frame->data)
+ buf->extended_data = buf->data;
+ else
+ buf->extended_data = frame->extended_data;
+ memcpy(buf->data, frame->data, sizeof(frame->data));
+ buf->linesize[0] = frame->linesize[0];
+ buf->nb_channels = avctx->channels;
+ } else {
+ /* copy InternalBuffer info to the AVFrame */
+ frame->extended_data = buf->extended_data;
+ frame->linesize[0] = buf->linesize[0];
+ memcpy(frame->data, buf->data, sizeof(frame->data));
+ }
+
+ frame->type = FF_BUFFER_TYPE_INTERNAL;
+
+ if (avctx->pkt) frame->pkt_pts = avctx->pkt->pts;
+ else frame->pkt_pts = AV_NOPTS_VALUE;
+ frame->reordered_opaque = avctx->reordered_opaque;
+
+ frame->sample_rate = avctx->sample_rate;
+ frame->format = avctx->sample_fmt;
+ frame->channel_layout = avctx->channel_layout;
+
+ if (avctx->debug & FF_DEBUG_BUFFERS)
+ av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p, "
+ "internal audio buffer used\n", frame);
+
+ return 0;
+}
+
+static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
+{
int i;
int w= s->width;
int h= s->height;
InternalBuffer *buf;
- int *picture_number;
+ AVCodecInternal *avci = s->internal;
if(pic->data[0]!=NULL) {
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
return -1;
}
- if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) {
- av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)\n");
+ if(avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
+ av_log(s, AV_LOG_ERROR, "buffer_count overflow (missing release_buffer?)\n");
return -1;
}
if(av_image_check_size(w, h, 0, s))
return -1;
- if(s->internal_buffer==NULL){
- s->internal_buffer= av_mallocz((INTERNAL_BUFFER_SIZE+1)*sizeof(InternalBuffer));
+ if (!avci->buffer) {
+ avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE+1) *
+ sizeof(InternalBuffer));
}
-#if 0
- s->internal_buffer= av_fast_realloc(
- s->internal_buffer,
- &s->internal_buffer_size,
- sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
- );
-#endif
- buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
- picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE]).last_pic_num; //FIXME ugly hack
- (*picture_number)++;
+ buf = &avci->buffer[avci->buffer_count];
if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
- if(s->active_thread_type&FF_THREAD_FRAME) {
- av_log_missing_feature(s, "Width/height changing with frame threads is", 0);
- return -1;
- }
-
- for(i=0; i<4; i++){
+ for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
av_freep(&buf->base[i]);
buf->data[i]= NULL;
}
}
- if(buf->base[0]){
- pic->age= *picture_number - buf->last_pic_num;
- buf->last_pic_num= *picture_number;
- }else{
+ if (!buf->base[0]) {
int h_chroma_shift, v_chroma_shift;
int size[4] = {0};
int tmpsize;
int unaligned;
AVPicture picture;
- int stride_align[4];
+ int stride_align[AV_NUM_DATA_POINTERS];
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
size[i] = picture.data[i+1] - picture.data[i];
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
- buf->last_pic_num= -256*256*256*64;
memset(buf->base, 0, sizeof(buf->base));
memset(buf->data, 0, sizeof(buf->data));
else
buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (pixel_size*EDGE_WIDTH>>h_shift), stride_align[i]);
}
+ for (; i < AV_NUM_DATA_POINTERS; i++) {
+ buf->base[i] = buf->data[i] = NULL;
+ buf->linesize[i] = 0;
+ }
if(size[1] && !size[2])
ff_set_systematic_pal2((uint32_t*)buf->data[1], s->pix_fmt);
buf->width = s->width;
buf->height = s->height;
buf->pix_fmt= s->pix_fmt;
- pic->age= 256*256*256*64;
}
pic->type= FF_BUFFER_TYPE_INTERNAL;
- for(i=0; i<4; i++){
+ for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
pic->base[i]= buf->base[i];
pic->data[i]= buf->data[i];
pic->linesize[i]= buf->linesize[i];
}
- s->internal_buffer_count++;
+ pic->extended_data = pic->data;
+ avci->buffer_count++;
+ pic->width = buf->width;
+ pic->height = buf->height;
+ pic->format = buf->pix_fmt;
+ pic->sample_aspect_ratio = s->sample_aspect_ratio;
if(s->pkt) pic->pkt_pts= s->pkt->pts;
else pic->pkt_pts= AV_NOPTS_VALUE;
pic->reordered_opaque= s->reordered_opaque;
if(s->debug&FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count);
+ av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d "
+ "buffers used\n", pic, avci->buffer_count);
return 0;
}
+int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ return video_get_buffer(avctx, frame);
+ case AVMEDIA_TYPE_AUDIO:
+ return audio_get_buffer(avctx, frame);
+ default:
+ return -1;
+ }
+}
+
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
int i;
InternalBuffer *buf, *last;
+ AVCodecInternal *avci = s->internal;
- assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
- assert(s->internal_buffer_count);
+ assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
- if(s->internal_buffer){
- buf = NULL; /* avoids warning */
- for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
- buf= &((InternalBuffer*)s->internal_buffer)[i];
- if(buf->data[0] == pic->data[0])
- break;
- }
- assert(i < s->internal_buffer_count);
- s->internal_buffer_count--;
- last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
+ assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
+ assert(avci->buffer_count);
+
+ if (avci->buffer) {
+ buf = NULL; /* avoids warning */
+ for (i = 0; i < avci->buffer_count; i++) { //just 3-5 checks so is not worth to optimize
+ buf = &avci->buffer[i];
+ if (buf->data[0] == pic->data[0])
+ break;
+ }
+ assert(i < avci->buffer_count);
+ avci->buffer_count--;
+ last = &avci->buffer[avci->buffer_count];
- FFSWAP(InternalBuffer, *buf, *last);
+ if (buf != last)
+ FFSWAP(InternalBuffer, *buf, *last);
}
- for(i=0; i<4; i++){
+ for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
pic->data[i]=NULL;
// pic->base[i]=NULL;
}
//printf("R%X\n", pic->opaque);
if(s->debug&FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count);
+ av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
+ "buffers used\n", pic, avci->buffer_count);
}
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
AVFrame temp_pic;
int i;
+ assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
+
/* If no picture return a new buffer */
if(pic->data[0] == NULL) {
/* We will copy from buffer, so must be readable */
return s->get_buffer(s, pic);
}
+ assert(s->pix_fmt == pic->format);
+
/* If internal buffer type return the same buffer */
if(pic->type == FF_BUFFER_TYPE_INTERNAL) {
if(s->pkt) pic->pkt_pts= s->pkt->pts;
* Not internal type and reget_buffer not overridden, emulate cr buffer
*/
temp_pic = *pic;
- for(i = 0; i < 4; i++)
+ for(i = 0; i < AV_NUM_DATA_POINTERS; i++)
pic->data[i] = pic->base[i] = NULL;
pic->opaque = NULL;
/* Allocate new frame */
pic->pts= AV_NOPTS_VALUE;
pic->key_frame= 1;
+ pic->sample_aspect_ratio = (AVRational){0, 1};
+ pic->format = -1; /* unknown */
}
AVFrame *avcodec_alloc_frame(void){
return pic;
}
-int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
+int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
{
int ret = 0;
+ AVDictionary *tmp = NULL;
+
+ if (avcodec_is_open(avctx))
+ return 0;
+
+ if ((!codec && !avctx->codec)) {
+ av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2().\n");
+ return AVERROR(EINVAL);
+ }
+ if ((codec && avctx->codec && codec != avctx->codec)) {
+ av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
+ "but %s passed to avcodec_open2().\n", avctx->codec->name, codec->name);
+ return AVERROR(EINVAL);
+ }
+ if (!codec)
+ codec = avctx->codec;
+
+ if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
+ return AVERROR(EINVAL);
+
+ if (options)
+ av_dict_copy(&tmp, *options, 0);
/* If there is a user-supplied mutex locking routine, call it. */
if (ff_lockmgr_cb) {
goto end;
}
- if(avctx->codec || !codec) {
- ret = AVERROR(EINVAL);
+ avctx->internal = av_mallocz(sizeof(AVCodecInternal));
+ if (!avctx->internal) {
+ ret = AVERROR(ENOMEM);
goto end;
}
ret = AVERROR(ENOMEM);
goto end;
}
- if(codec->priv_class){ //this can be droped once all user apps use avcodec_get_context_defaults3()
+ if (codec->priv_class) {
*(AVClass**)avctx->priv_data= codec->priv_class;
av_opt_set_defaults(avctx->priv_data);
}
}
+ if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
+ goto free_and_end;
} else {
avctx->priv_data = NULL;
}
+ if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
+ goto free_and_end;
if(avctx->coded_width && avctx->coded_height)
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
/* if the decoder init function was already called previously,
free the already allocated subtitle_header before overwriting it */
- if (codec->decode)
+ if (av_codec_is_decoder(codec))
av_freep(&avctx->subtitle_header);
#define SANE_NB_CHANNELS 128U
}
avctx->frame_number = 0;
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
+ (!avctx->time_base.num || !avctx->time_base.den)) {
+ avctx->time_base.num = 1;
+ avctx->time_base.den = avctx->sample_rate;
+ }
+
if (HAVE_THREADS && !avctx->thread_opaque) {
ret = ff_thread_init(avctx);
if (ret < 0) {
goto free_and_end;
}
}
+ if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
+ avctx->thread_count = 1;
- if (avctx->codec->max_lowres < avctx->lowres) {
- av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
- avctx->codec->max_lowres);
- ret = AVERROR(EINVAL);
- goto free_and_end;
- }
- if (avctx->codec->encode) {
+ if (av_codec_is_encoder(avctx->codec)) {
int i;
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++)
goto free_and_end;
}
}
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == PIX_FMT_NONE) {
+ av_log(avctx, AV_LOG_ERROR, "Specified pix_fmt is not supported\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ }
if (avctx->codec->supported_samplerates) {
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
goto free_and_end;
}
}
+
+ if (av_codec_is_decoder(avctx->codec)) {
+ /* validate channel layout from the decoder */
+ if (avctx->channel_layout &&
+ av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) {
+ av_log(avctx, AV_LOG_WARNING, "channel layout does not match number of channels\n");
+ avctx->channel_layout = 0;
+ }
+ }
end:
entangled_thread_counter--;
if (ff_lockmgr_cb) {
(*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
}
+ if (options) {
+ av_dict_free(options);
+ *options = tmp;
+ }
+
return ret;
free_and_end:
+ av_dict_free(&tmp);
av_freep(&avctx->priv_data);
+ av_freep(&avctx->internal);
avctx->codec= NULL;
goto end;
}
-int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const short *samples)
+int ff_alloc_packet(AVPacket *avpkt, int size)
{
- if(buf_size < FF_MIN_BUFFER_SIZE && 0){
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
- return -1;
+ if (size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(EINVAL);
+
+ if (avpkt->data) {
+ void *destruct = avpkt->destruct;
+
+ if (avpkt->size < size)
+ return AVERROR(EINVAL);
+
+ av_init_packet(avpkt);
+ avpkt->destruct = destruct;
+ avpkt->size = size;
+ return 0;
+ } else {
+ return av_new_packet(avpkt, size);
+ }
+}
+
+/**
+ * Pad last frame with silence.
+ */
+static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
+{
+ AVFrame *frame = NULL;
+ uint8_t *buf = NULL;
+ int ret;
+
+ if (!(frame = avcodec_alloc_frame()))
+ return AVERROR(ENOMEM);
+ *frame = *src;
+
+ if ((ret = av_samples_get_buffer_size(&frame->linesize[0], s->channels,
+ s->frame_size, s->sample_fmt, 0)) < 0)
+ goto fail;
+
+ if (!(buf = av_malloc(ret))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ frame->nb_samples = s->frame_size;
+ if ((ret = avcodec_fill_audio_frame(frame, s->channels, s->sample_fmt,
+ buf, ret, 0)) < 0)
+ goto fail;
+ if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
+ src->nb_samples, s->channels, s->sample_fmt)) < 0)
+ goto fail;
+ if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
+ frame->nb_samples - src->nb_samples,
+ s->channels, s->sample_fmt)) < 0)
+ goto fail;
+
+ *dst = frame;
+
+ return 0;
+
+fail:
+ if (frame->extended_data != frame->data)
+ av_freep(&frame->extended_data);
+ av_freep(&buf);
+ av_freep(&frame);
+ return ret;
+}
+
+int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
+ AVPacket *avpkt,
+ const AVFrame *frame,
+ int *got_packet_ptr)
+{
+ AVFrame tmp;
+ AVFrame *padded_frame = NULL;
+ int ret;
+ int user_packet = !!avpkt->data;
+
+ *got_packet_ptr = 0;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_free_packet(avpkt);
+ av_init_packet(avpkt);
+ return 0;
+ }
+
+ /* ensure that extended_data is properly set */
+ if (frame && !frame->extended_data) {
+ if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
+ avctx->channels > AV_NUM_DATA_POINTERS) {
+ av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
+ "with more than %d channels, but extended_data is not set.\n",
+ AV_NUM_DATA_POINTERS);
+ return AVERROR(EINVAL);
+ }
+ av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
+
+ tmp = *frame;
+ tmp.extended_data = tmp.data;
+ frame = &tmp;
+ }
+
+ /* check for valid frame size */
+ if (frame) {
+ if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
+ if (frame->nb_samples > avctx->frame_size)
+ return AVERROR(EINVAL);
+ } else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
+ if (frame->nb_samples < avctx->frame_size &&
+ !avctx->internal->last_audio_frame) {
+ ret = pad_last_frame(avctx, &padded_frame, frame);
+ if (ret < 0)
+ return ret;
+
+ frame = padded_frame;
+ avctx->internal->last_audio_frame = 1;
+ }
+
+ if (frame->nb_samples != avctx->frame_size)
+ return AVERROR(EINVAL);
+ }
}
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
- int ret = avctx->codec->encode(avctx, buf, buf_size, samples);
+
+ ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
+ if (!ret) {
+ if (*got_packet_ptr) {
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
+ if (avpkt->pts == AV_NOPTS_VALUE)
+ avpkt->pts = frame->pts;
+ if (!avpkt->duration)
+ avpkt->duration = ff_samples_to_time_base(avctx,
+ frame->nb_samples);
+ }
+ avpkt->dts = avpkt->pts;
+ } else {
+ avpkt->size = 0;
+ }
+
+ if (!user_packet && avpkt->size) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
+ if (new_data)
+ avpkt->data = new_data;
+ }
+
avctx->frame_number++;
+ }
+
+ if (ret < 0 || !*got_packet_ptr) {
+ av_free_packet(avpkt);
+ av_init_packet(avpkt);
return ret;
- }else
- return 0;
+ }
+
+ /* NOTE: if we add any audio encoders which output non-keyframe packets,
+ this needs to be moved to the encoders, but for now we can do it
+ here to simplify things */
+ avpkt->flags |= AV_PKT_FLAG_KEY;
+
+ if (padded_frame) {
+ av_freep(&padded_frame->data[0]);
+ if (padded_frame->extended_data != padded_frame->data)
+ av_freep(&padded_frame->extended_data);
+ av_freep(&padded_frame);
+ }
+
+ return ret;
}
+#if FF_API_OLD_DECODE_AUDIO
+int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
+ uint8_t *buf, int buf_size,
+ const short *samples)
+{
+ AVPacket pkt;
+ AVFrame frame0;
+ AVFrame *frame;
+ int ret, samples_size, got_packet;
+
+ av_init_packet(&pkt);
+ pkt.data = buf;
+ pkt.size = buf_size;
+
+ if (samples) {
+ frame = &frame0;
+ avcodec_get_frame_defaults(frame);
+
+ if (avctx->frame_size) {
+ frame->nb_samples = avctx->frame_size;
+ } else {
+ /* if frame_size is not set, the number of samples must be
+ calculated from the buffer size */
+ int64_t nb_samples;
+ if (!av_get_bits_per_sample(avctx->codec_id)) {
+ av_log(avctx, AV_LOG_ERROR, "avcodec_encode_audio() does not "
+ "support this codec\n");
+ return AVERROR(EINVAL);
+ }
+ nb_samples = (int64_t)buf_size * 8 /
+ (av_get_bits_per_sample(avctx->codec_id) *
+ avctx->channels);
+ if (nb_samples >= INT_MAX)
+ return AVERROR(EINVAL);
+ frame->nb_samples = nb_samples;
+ }
+
+ /* it is assumed that the samples buffer is large enough based on the
+ relevant parameters */
+ samples_size = av_samples_get_buffer_size(NULL, avctx->channels,
+ frame->nb_samples,
+ avctx->sample_fmt, 1);
+ if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
+ avctx->sample_fmt,
+ samples, samples_size, 1)))
+ return ret;
+
+ /* fabricate frame pts from sample count.
+ this is needed because the avcodec_encode_audio() API does not have
+ a way for the user to provide pts */
+ frame->pts = ff_samples_to_time_base(avctx,
+ avctx->internal->sample_count);
+ avctx->internal->sample_count += frame->nb_samples;
+ } else {
+ frame = NULL;
+ }
+
+ got_packet = 0;
+ ret = avcodec_encode_audio2(avctx, &pkt, frame, &got_packet);
+ if (!ret && got_packet && avctx->coded_frame) {
+ avctx->coded_frame->pts = pkt.pts;
+ avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
+ }
+ /* free any side data since we cannot return it */
+ if (pkt.side_data_elems > 0) {
+ int i;
+ for (i = 0; i < pkt.side_data_elems; i++)
+ av_free(pkt.side_data[i].data);
+ av_freep(&pkt.side_data);
+ pkt.side_data_elems = 0;
+ }
+
+ if (frame && frame->extended_data != frame->data)
+ av_free(frame->extended_data);
+
+ return ret ? ret : pkt.size;
+}
+#endif
+
+#if FF_API_OLD_ENCODE_VIDEO
int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict)
{
+ AVPacket pkt;
+ int ret, got_packet = 0;
+
if(buf_size < FF_MIN_BUFFER_SIZE){
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
- if(av_image_check_size(avctx->width, avctx->height, 0, avctx))
- return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
- int ret = avctx->codec->encode(avctx, buf, buf_size, pict);
- avctx->frame_number++;
- emms_c(); //needed to avoid an emms_c() call before every return;
- return ret;
- }else
+ av_init_packet(&pkt);
+ pkt.data = buf;
+ pkt.size = buf_size;
+
+ ret = avcodec_encode_video2(avctx, &pkt, pict, &got_packet);
+ if (!ret && got_packet && avctx->coded_frame) {
+ avctx->coded_frame->pts = pkt.pts;
+ avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
+ }
+
+ /* free any side data since we cannot return it */
+ if (pkt.side_data_elems > 0) {
+ int i;
+ for (i = 0; i < pkt.side_data_elems; i++)
+ av_free(pkt.side_data[i].data);
+ av_freep(&pkt.side_data);
+ pkt.side_data_elems = 0;
+ }
+
+ return ret ? ret : pkt.size;
+}
+#endif
+
+int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
+ AVPacket *avpkt,
+ const AVFrame *frame,
+ int *got_packet_ptr)
+{
+ int ret;
+ int user_packet = !!avpkt->data;
+
+ *got_packet_ptr = 0;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_free_packet(avpkt);
+ av_init_packet(avpkt);
+ avpkt->size = 0;
return 0;
+ }
+
+ if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
+ return AVERROR(EINVAL);
+
+ av_assert0(avctx->codec->encode2);
+
+ ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
+ if (!ret) {
+ if (!*got_packet_ptr)
+ avpkt->size = 0;
+ else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
+ avpkt->pts = avpkt->dts = frame->pts;
+
+ if (!user_packet && avpkt->size) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
+ if (new_data)
+ avpkt->data = new_data;
+ }
+
+ avctx->frame_number++;
+ }
+
+ if (ret < 0 || !*got_packet_ptr)
+ av_free_packet(avpkt);
+
+ emms_c();
+ return ret;
}
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
return ret;
}
+static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
+{
+ int size = 0;
+ const uint8_t *data;
+ uint32_t flags;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE))
+ return;
+
+ data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
+ if (!data || size < 4)
+ return;
+ flags = bytestream_get_le32(&data);
+ size -= 4;
+ if (size < 4) /* Required for any of the changes */
+ return;
+ if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
+ avctx->channels = bytestream_get_le32(&data);
+ size -= 4;
+ }
+ if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
+ if (size < 8)
+ return;
+ avctx->channel_layout = bytestream_get_le64(&data);
+ size -= 8;
+ }
+ if (size < 4)
+ return;
+ if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
+ avctx->sample_rate = bytestream_get_le32(&data);
+ size -= 4;
+ }
+ if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
+ if (size < 8)
+ return;
+ avctx->width = bytestream_get_le32(&data);
+ avctx->height = bytestream_get_le32(&data);
+ avcodec_set_dimensions(avctx, avctx->width, avctx->height);
+ size -= 8;
+ }
+}
+
int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
AVPacket *avpkt)
return -1;
avctx->pkt = avpkt;
+ apply_param_change(avctx, avpkt);
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type&FF_THREAD_FRAME)){
- if (HAVE_PTHREADS && avctx->active_thread_type&FF_THREAD_FRAME)
+ if (HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
avpkt);
else {
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
avpkt);
picture->pkt_dts= avpkt->dts;
+ picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
+ picture->width = avctx->width;
+ picture->height = avctx->height;
+ picture->format = avctx->pix_fmt;
}
emms_c(); //needed to avoid an emms_c() call before every return;
return ret;
}
+#if FF_API_OLD_DECODE_AUDIO
int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
AVPacket *avpkt)
{
- int ret;
-
- avctx->pkt = avpkt;
+ AVFrame frame;
+ int ret, got_frame = 0;
+
+ if (avctx->get_buffer != avcodec_default_get_buffer) {
+ av_log(avctx, AV_LOG_ERROR, "Custom get_buffer() for use with"
+ "avcodec_decode_audio3() detected. Overriding with avcodec_default_get_buffer\n");
+ av_log(avctx, AV_LOG_ERROR, "Please port your application to "
+ "avcodec_decode_audio4()\n");
+ avctx->get_buffer = avcodec_default_get_buffer;
+ }
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
- //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
- if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
- return -1;
+ ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt);
+
+ if (ret >= 0 && got_frame) {
+ int ch, plane_size;
+ int planar = av_sample_fmt_is_planar(avctx->sample_fmt);
+ int data_size = av_samples_get_buffer_size(&plane_size, avctx->channels,
+ frame.nb_samples,
+ avctx->sample_fmt, 1);
+ if (*frame_size_ptr < data_size) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer size is too small for "
+ "the current frame (%d < %d)\n", *frame_size_ptr, data_size);
+ return AVERROR(EINVAL);
}
- if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
- *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t)){
- av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr);
- return -1;
+
+ memcpy(samples, frame.extended_data[0], plane_size);
+
+ if (planar && avctx->channels > 1) {
+ uint8_t *out = ((uint8_t *)samples) + plane_size;
+ for (ch = 1; ch < avctx->channels; ch++) {
+ memcpy(out, frame.extended_data[ch], plane_size);
+ out += plane_size;
+ }
}
+ *frame_size_ptr = data_size;
+ } else {
+ *frame_size_ptr = 0;
+ }
+ return ret;
+}
+#endif
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr, avpkt);
- avctx->frame_number++;
- }else{
- ret= 0;
- *frame_size_ptr=0;
+int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
+ AVFrame *frame,
+ int *got_frame_ptr,
+ AVPacket *avpkt)
+{
+ int ret = 0;
+
+ *got_frame_ptr = 0;
+
+ avctx->pkt = avpkt;
+
+ if (!avpkt->data && avpkt->size) {
+ av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
+ return AVERROR(EINVAL);
+ }
+
+ apply_param_change(avctx, avpkt);
+
+ if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
+ ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt);
+ if (ret >= 0 && *got_frame_ptr) {
+ avctx->frame_number++;
+ frame->pkt_dts = avpkt->dts;
+ if (frame->format == AV_SAMPLE_FMT_NONE)
+ frame->format = avctx->sample_fmt;
+ }
}
return ret;
}
return -1;
}
- if (HAVE_THREADS && avctx->thread_opaque)
- ff_thread_free(avctx);
- if (avctx->codec && avctx->codec->close)
- avctx->codec->close(avctx);
- avcodec_default_free_buffers(avctx);
- avctx->coded_frame = NULL;
- if (avctx->codec->priv_class)
+ if (avcodec_is_open(avctx)) {
+ if (HAVE_THREADS && avctx->thread_opaque)
+ ff_thread_free(avctx);
+ if (avctx->codec && avctx->codec->close)
+ avctx->codec->close(avctx);
+ avcodec_default_free_buffers(avctx);
+ avctx->coded_frame = NULL;
+ av_freep(&avctx->internal);
+ }
+
+ if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if(avctx->codec && avctx->codec->encode)
+ if (av_codec_is_encoder(avctx->codec))
av_freep(&avctx->extradata);
avctx->codec = NULL;
avctx->active_thread_type = 0;
AVCodec *p, *experimental=NULL;
p = first_avcodec;
while (p) {
- if (p->encode != NULL && p->id == id) {
+ if (av_codec_is_encoder(p) && p->id == id) {
if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
experimental = p;
} else
return NULL;
p = first_avcodec;
while (p) {
- if (p->encode != NULL && strcmp(name,p->name) == 0)
+ if (av_codec_is_encoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
AVCodec *p;
p = first_avcodec;
while (p) {
- if (p->decode != NULL && p->id == id)
+ if (av_codec_is_decoder(p) && p->id == id)
return p;
p = p->next;
}
return NULL;
p = first_avcodec;
while (p) {
- if (p->decode != NULL && strcmp(name,p->name) == 0)
+ if (av_codec_is_decoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
int bitrate;
AVRational display_aspect_ratio;
- if (encode)
+ if (enc->codec)
+ p = enc->codec;
+ else if (encode)
p = avcodec_find_encoder(enc->codec_id);
else
p = avcodec_find_decoder(enc->codec_id);
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-void avcodec_init(void)
-{
- static int initialized = 0;
-
- if (initialized != 0)
- return;
- initialized = 1;
-
- dsputil_static_init();
-}
-
void avcodec_flush_buffers(AVCodecContext *avctx)
{
- if(HAVE_PTHREADS && avctx->active_thread_type&FF_THREAD_FRAME)
+ if(HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
ff_thread_flush(avctx);
- if(avctx->codec->flush)
+ else if(avctx->codec->flush)
avctx->codec->flush(avctx);
}
-void avcodec_default_free_buffers(AVCodecContext *s){
+static void video_free_buffers(AVCodecContext *s)
+{
+ AVCodecInternal *avci = s->internal;
int i, j;
- if(s->internal_buffer==NULL) return;
+ if (!avci->buffer)
+ return;
- if (s->internal_buffer_count)
- av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", s->internal_buffer_count);
+ if (avci->buffer_count)
+ av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n",
+ avci->buffer_count);
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
- InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
+ InternalBuffer *buf = &avci->buffer[i];
for(j=0; j<4; j++){
av_freep(&buf->base[j]);
buf->data[j]= NULL;
}
}
- av_freep(&s->internal_buffer);
+ av_freep(&avci->buffer);
- s->internal_buffer_count=0;
+ avci->buffer_count=0;
}
-#if FF_API_OLD_FF_PICT_TYPES
-char av_get_pict_type_char(int pict_type){
- return av_get_picture_type_char(pict_type);
+static void audio_free_buffers(AVCodecContext *avctx)
+{
+ AVCodecInternal *avci = avctx->internal;
+ InternalBuffer *buf;
+
+ if (!avci->buffer)
+ return;
+ buf = avci->buffer;
+
+ if (buf->extended_data) {
+ av_free(buf->extended_data[0]);
+ if (buf->extended_data != buf->data)
+ av_free(buf->extended_data);
+ }
+ av_freep(&avci->buffer);
+}
+
+void avcodec_default_free_buffers(AVCodecContext *avctx)
+{
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ video_free_buffers(avctx);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ audio_free_buffers(avctx);
+ break;
+ default:
+ break;
+ }
}
-#endif
-int av_get_bits_per_sample(enum CodecID codec_id){
+int av_get_exact_bits_per_sample(enum CodecID codec_id)
+{
switch(codec_id){
- case CODEC_ID_ADPCM_SBPRO_2:
- return 2;
- case CODEC_ID_ADPCM_SBPRO_3:
- return 3;
- case CODEC_ID_ADPCM_SBPRO_4:
case CODEC_ID_ADPCM_CT:
- case CODEC_ID_ADPCM_IMA_WAV:
- case CODEC_ID_ADPCM_MS:
+ case CODEC_ID_ADPCM_IMA_APC:
+ case CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case CODEC_ID_ADPCM_IMA_WS:
+ case CODEC_ID_ADPCM_G722:
case CODEC_ID_ADPCM_YAMAHA:
return 4;
- case CODEC_ID_ADPCM_G722:
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
case CODEC_ID_PCM_S8:
}
}
-#if FF_API_OLD_SAMPLE_FMT
-int av_get_bits_per_sample_format(enum AVSampleFormat sample_fmt) {
- return av_get_bits_per_sample_fmt(sample_fmt);
+int av_get_bits_per_sample(enum CodecID codec_id)
+{
+ switch (codec_id) {
+ case CODEC_ID_ADPCM_SBPRO_2:
+ return 2;
+ case CODEC_ID_ADPCM_SBPRO_3:
+ return 3;
+ case CODEC_ID_ADPCM_SBPRO_4:
+ case CODEC_ID_ADPCM_IMA_WAV:
+ case CODEC_ID_ADPCM_IMA_QT:
+ case CODEC_ID_ADPCM_SWF:
+ case CODEC_ID_ADPCM_MS:
+ return 4;
+ default:
+ return av_get_exact_bits_per_sample(codec_id);
+ }
+}
+
+int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
+{
+ int id, sr, ch, ba, tag, bps;
+
+ id = avctx->codec_id;
+ sr = avctx->sample_rate;
+ ch = avctx->channels;
+ ba = avctx->block_align;
+ tag = avctx->codec_tag;
+ bps = av_get_exact_bits_per_sample(avctx->codec_id);
+
+ /* codecs with an exact constant bits per sample */
+ if (bps > 0 && ch > 0 && frame_bytes > 0)
+ return (frame_bytes * 8) / (bps * ch);
+ bps = avctx->bits_per_coded_sample;
+
+ /* codecs with a fixed packet duration */
+ switch (id) {
+ case CODEC_ID_ADPCM_ADX: return 32;
+ case CODEC_ID_ADPCM_IMA_QT: return 64;
+ case CODEC_ID_ADPCM_EA_XAS: return 128;
+ case CODEC_ID_AMR_NB:
+ case CODEC_ID_GSM:
+ case CODEC_ID_QCELP:
+ case CODEC_ID_RA_144:
+ case CODEC_ID_RA_288: return 160;
+ case CODEC_ID_IMC: return 256;
+ case CODEC_ID_AMR_WB:
+ case CODEC_ID_GSM_MS: return 320;
+ case CODEC_ID_MP1: return 384;
+ case CODEC_ID_ATRAC1: return 512;
+ case CODEC_ID_ATRAC3: return 1024;
+ case CODEC_ID_MP2:
+ case CODEC_ID_MUSEPACK7: return 1152;
+ case CODEC_ID_AC3: return 1536;
+ }
+
+ if (sr > 0) {
+ /* calc from sample rate */
+ if (id == CODEC_ID_TTA)
+ return 256 * sr / 245;
+
+ if (ch > 0) {
+ /* calc from sample rate and channels */
+ if (id == CODEC_ID_BINKAUDIO_DCT)
+ return (480 << (sr / 22050)) / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from block_align */
+ if (id == CODEC_ID_SIPR) {
+ switch (ba) {
+ case 20: return 160;
+ case 19: return 144;
+ case 29: return 288;
+ case 37: return 480;
+ }
+ }
+ }
+
+ if (frame_bytes > 0) {
+ /* calc from frame_bytes only */
+ if (id == CODEC_ID_TRUESPEECH)
+ return 240 * (frame_bytes / 32);
+ if (id == CODEC_ID_NELLYMOSER)
+ return 256 * (frame_bytes / 64);
+
+ if (bps > 0) {
+ /* calc from frame_bytes and bits_per_coded_sample */
+ if (id == CODEC_ID_ADPCM_G726)
+ return frame_bytes * 8 / bps;
+ }
+
+ if (ch > 0) {
+ /* calc from frame_bytes and channels */
+ switch (id) {
+ case CODEC_ID_ADPCM_4XM:
+ case CODEC_ID_ADPCM_IMA_ISS:
+ return (frame_bytes - 4 * ch) * 2 / ch;
+ case CODEC_ID_ADPCM_IMA_SMJPEG:
+ return (frame_bytes - 4) * 2 / ch;
+ case CODEC_ID_ADPCM_IMA_AMV:
+ return (frame_bytes - 8) * 2 / ch;
+ case CODEC_ID_ADPCM_XA:
+ return (frame_bytes / 128) * 224 / ch;
+ case CODEC_ID_INTERPLAY_DPCM:
+ return (frame_bytes - 6 - ch) / ch;
+ case CODEC_ID_ROQ_DPCM:
+ return (frame_bytes - 8) / ch;
+ case CODEC_ID_XAN_DPCM:
+ return (frame_bytes - 2 * ch) / ch;
+ case CODEC_ID_MACE3:
+ return 3 * frame_bytes / ch;
+ case CODEC_ID_MACE6:
+ return 6 * frame_bytes / ch;
+ case CODEC_ID_PCM_LXF:
+ return 2 * (frame_bytes / (5 * ch));
+ }
+
+ if (tag) {
+ /* calc from frame_bytes, channels, and codec_tag */
+ if (id == CODEC_ID_SOL_DPCM) {
+ if (tag == 3)
+ return frame_bytes / ch;
+ else
+ return frame_bytes * 2 / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from frame_bytes, channels, and block_align */
+ int blocks = frame_bytes / ba;
+ switch (avctx->codec_id) {
+ case CODEC_ID_ADPCM_IMA_WAV:
+ return blocks * (1 + (ba - 4 * ch) / (4 * ch) * 8);
+ case CODEC_ID_ADPCM_IMA_DK3:
+ return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
+ case CODEC_ID_ADPCM_IMA_DK4:
+ return blocks * (1 + (ba - 4 * ch) * 2 / ch);
+ case CODEC_ID_ADPCM_MS:
+ return blocks * (2 + (ba - 7 * ch) * 2 / ch);
+ }
+ }
+
+ if (bps > 0) {
+ /* calc from frame_bytes, channels, and bits_per_coded_sample */
+ switch (avctx->codec_id) {
+ case CODEC_ID_PCM_DVD:
+ return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
+ case CODEC_ID_PCM_BLURAY:
+ return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
+ case CODEC_ID_S302M:
+ return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
+ }
+ }
+ }
+ }
+
+ return 0;
}
-#endif
#if !HAVE_THREADS
int ff_thread_init(AVCodecContext *s){
if (ff_lockmgr_cb) {
if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
return -1;
+ if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
+ return -1;
}
ff_lockmgr_cb = cb;
if (ff_lockmgr_cb) {
if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
return -1;
+ if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
+ return -1;
}
return 0;
}
-unsigned int ff_toupper4(unsigned int x)
+int avpriv_lock_avformat(void)
+{
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+ return 0;
+}
+
+int avpriv_unlock_avformat(void)
+{
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
+ return -1;
+ }
+ return 0;
+}
+
+unsigned int avpriv_toupper4(unsigned int x)
{
return toupper( x &0xFF)
+ (toupper((x>>8 )&0xFF)<<8 )
+ (toupper((x>>24)&0xFF)<<24);
}
-#if !HAVE_PTHREADS
+#if !HAVE_THREADS
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
{
#endif
-#if FF_API_THREAD_INIT
-int avcodec_thread_init(AVCodecContext *s, int thread_count)
+enum AVMediaType avcodec_get_type(enum CodecID codec_id)
{
- s->thread_count = thread_count;
- return ff_thread_init(s);
+ if (codec_id <= CODEC_ID_NONE)
+ return AVMEDIA_TYPE_UNKNOWN;
+ else if (codec_id < CODEC_ID_FIRST_AUDIO)
+ return AVMEDIA_TYPE_VIDEO;
+ else if (codec_id < CODEC_ID_FIRST_SUBTITLE)
+ return AVMEDIA_TYPE_AUDIO;
+ else if (codec_id < CODEC_ID_FIRST_UNKNOWN)
+ return AVMEDIA_TYPE_SUBTITLE;
+
+ return AVMEDIA_TYPE_UNKNOWN;
+}
+
+int avcodec_is_open(AVCodecContext *s)
+{
+ return !!s->internal;
}
-#endif
projects / ffmpeg / blobdiff