#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
+#include "libavutil/channel_layout.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 "imgconvert.h"
#include "thread.h"
-#include "audioconvert.h"
#include "internal.h"
#include "bytestream.h"
#include <stdlib.h>
#include <limits.h>
#include <float.h>
-static int volatile entangled_thread_counter=0;
+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)
{
- if(min_size < *size)
+ if (min_size < *size)
return ptr;
- min_size= FFMAX(17*min_size/16 + 32, min_size);
+ min_size = FFMAX(17 * min_size / 16 + 32, min_size);
- ptr= av_realloc(ptr, min_size);
- if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
- min_size= 0;
+ ptr = av_realloc(ptr, min_size);
+ /* we could set this to the unmodified min_size but this is safer
+ * if the user lost the ptr and uses NULL now
+ */
+ if (!ptr)
+ min_size = 0;
- *size= min_size;
+ *size = min_size;
return ptr;
}
void **p = ptr;
if (min_size < *size)
return;
- min_size= FFMAX(17*min_size/16 + 32, min_size);
+ min_size = FFMAX(17 * min_size / 16 + 32, min_size);
av_free(*p);
*p = av_malloc(min_size);
- if (!*p) min_size = 0;
- *size= min_size;
+ if (!*p)
+ min_size = 0;
+ *size = min_size;
}
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
/* encoder management */
static AVCodec *first_avcodec = NULL;
-AVCodec *av_codec_next(AVCodec *c){
- if(c) return c->next;
- else return first_avcodec;
+AVCodec *av_codec_next(const AVCodec *c)
+{
+ if (c)
+ return c->next;
+ else
+ return first_avcodec;
}
static void avcodec_init(void)
return;
initialized = 1;
- dsputil_static_init();
+ ff_dsputil_static_init();
}
-static av_always_inline int codec_is_encoder(AVCodec *codec)
+int av_codec_is_encoder(const AVCodec *codec)
{
- return codec && (codec->encode || codec->encode2);
+ return codec && (codec->encode_sub || codec->encode2);
}
-static av_always_inline int codec_is_decoder(AVCodec *codec)
+int av_codec_is_decoder(const AVCodec *codec)
{
return codec && codec->decode;
}
AVCodec **p;
avcodec_init();
p = &first_avcodec;
- while (*p != NULL) p = &(*p)->next;
- *p = codec;
+ while (*p != NULL)
+ p = &(*p)->next;
+ *p = codec;
codec->next = NULL;
if (codec->init_static_data)
return EDGE_WIDTH;
}
-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);
+void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
+{
+ s->coded_width = width;
+ s->coded_height = height;
+ s->width = width;
+ s->height = height;
}
-#define INTERNAL_BUFFER_SIZE (32+1)
+#define INTERNAL_BUFFER_SIZE (32 + 1)
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;
-
- switch(s->pix_fmt){
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUYV422:
- case PIX_FMT_UYVY422:
- 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_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ440P:
- case PIX_FMT_YUVJ444P:
- case PIX_FMT_YUVA420P:
- case PIX_FMT_YUV420P9LE:
- 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:
- 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:
+ int w_align = 1;
+ int h_align = 1;
+
+ switch (s->pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUYV422:
+ case AV_PIX_FMT_UYVY422:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV440P:
+ case AV_PIX_FMT_YUV444P:
+ case AV_PIX_FMT_GBRP:
+ case AV_PIX_FMT_GRAY8:
+ case AV_PIX_FMT_GRAY16BE:
+ case AV_PIX_FMT_GRAY16LE:
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUVJ422P:
+ case AV_PIX_FMT_YUVJ440P:
+ case AV_PIX_FMT_YUVJ444P:
+ case AV_PIX_FMT_YUVA420P:
+ case AV_PIX_FMT_YUVA422P:
+ case AV_PIX_FMT_YUVA444P:
+ case AV_PIX_FMT_YUV420P9LE:
+ case AV_PIX_FMT_YUV420P9BE:
+ case AV_PIX_FMT_YUV420P10LE:
+ case AV_PIX_FMT_YUV420P10BE:
+ case AV_PIX_FMT_YUV422P9LE:
+ case AV_PIX_FMT_YUV422P9BE:
+ case AV_PIX_FMT_YUV422P10LE:
+ case AV_PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUV444P9LE:
+ case AV_PIX_FMT_YUV444P9BE:
+ case AV_PIX_FMT_YUV444P10LE:
+ case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_GBRP9LE:
+ case AV_PIX_FMT_GBRP9BE:
+ case AV_PIX_FMT_GBRP10LE:
+ case AV_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:
- w_align=32;
- h_align=8;
+ case AV_PIX_FMT_YUV411P:
+ case AV_PIX_FMT_UYYVYY411:
+ w_align = 32;
+ h_align = 8;
break;
- case PIX_FMT_YUV410P:
- if(s->codec_id == CODEC_ID_SVQ1){
- w_align=64;
- h_align=64;
+ case AV_PIX_FMT_YUV410P:
+ if (s->codec_id == AV_CODEC_ID_SVQ1) {
+ w_align = 64;
+ h_align = 64;
}
- case PIX_FMT_RGB555:
- if(s->codec_id == CODEC_ID_RPZA){
- w_align=4;
- h_align=4;
+ case AV_PIX_FMT_RGB555:
+ if (s->codec_id == AV_CODEC_ID_RPZA) {
+ w_align = 4;
+ h_align = 4;
}
- case PIX_FMT_PAL8:
- case PIX_FMT_BGR8:
- case PIX_FMT_RGB8:
- if(s->codec_id == CODEC_ID_SMC){
- w_align=4;
- h_align=4;
+ case AV_PIX_FMT_PAL8:
+ case AV_PIX_FMT_BGR8:
+ case AV_PIX_FMT_RGB8:
+ if (s->codec_id == AV_CODEC_ID_SMC) {
+ w_align = 4;
+ h_align = 4;
}
break;
- case PIX_FMT_BGR24:
- if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
- w_align=4;
- h_align=4;
+ case AV_PIX_FMT_BGR24:
+ if ((s->codec_id == AV_CODEC_ID_MSZH) ||
+ (s->codec_id == AV_CODEC_ID_ZLIB)) {
+ w_align = 4;
+ h_align = 4;
}
break;
default:
- w_align= 1;
- h_align= 1;
+ w_align = 1;
+ h_align = 1;
break;
}
- *width = FFALIGN(*width , w_align);
- *height= FFALIGN(*height, h_align);
- if(s->codec_id == CODEC_ID_H264 || s->lowres)
- *height+=2; // some of the optimized chroma MC reads one line too much
- // which is also done in mpeg decoders with lowres > 0
+ *width = FFALIGN(*width, w_align);
+ *height = FFALIGN(*height, h_align);
+ if (s->codec_id == AV_CODEC_ID_H264)
+ // some of the optimized chroma MC reads one line too much
+ *height += 2;
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;
+void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
+ int chroma_shift = desc->log2_chroma_w;
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]);
+ align = FFMAX(linesize_align[0], linesize_align[3]);
linesize_align[1] <<= chroma_shift;
linesize_align[2] <<= chroma_shift;
- align = FFMAX3(align, linesize_align[1], linesize_align[2]);
- *width=FFALIGN(*width, align);
+ align = FFMAX3(align, linesize_align[1], linesize_align[2]);
+ *width = FFALIGN(*width, align);
}
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
- InternalBuffer *buf;
int buf_size, ret;
+ av_freep(&avci->audio_data);
buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
frame->nb_samples, avctx->sample_fmt,
- 32);
+ 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;
- }
- }
+ frame->data[0] = av_mallocz(buf_size);
+ if (!frame->data[0])
+ return AVERROR(ENOMEM);
- /* 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, 32)))
- 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));
+ ret = avcodec_fill_audio_frame(frame, avctx->channels, avctx->sample_fmt,
+ frame->data[0], buf_size, 0);
+ if (ret < 0) {
+ av_freep(&frame->data[0]);
+ return ret;
}
- 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;
-
+ avci->audio_data = frame->data[0];
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);
+ "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;
+ int w = s->width;
+ int h = s->height;
InternalBuffer *buf;
AVCodecInternal *avci = s->internal;
- if(pic->data[0]!=NULL) {
+ if (pic->data[0] != NULL) {
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
return -1;
}
- if(avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
+ 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))
+ if (av_image_check_size(w, h, 0, s))
return -1;
if (!avci->buffer) {
- avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE+1) *
+ avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE + 1) *
sizeof(InternalBuffer));
}
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;
- }
-
+ if (buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)) {
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
av_freep(&buf->base[i]);
- buf->data[i]= NULL;
+ buf->data[i] = NULL;
}
}
if (!buf->base[0]) {
int h_chroma_shift, v_chroma_shift;
- int size[4] = {0};
+ int size[4] = { 0 };
int tmpsize;
int unaligned;
AVPicture picture;
int stride_align[AV_NUM_DATA_POINTERS];
- const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
+ const int pixel_size = desc->comp[0].step_minus1 + 1;
- avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+ av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift,
+ &v_chroma_shift);
avcodec_align_dimensions2(s, &w, &h, stride_align);
- if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
- w+= EDGE_WIDTH*2;
- h+= EDGE_WIDTH*2;
+ if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
+ w += EDGE_WIDTH * 2;
+ h += EDGE_WIDTH * 2;
}
do {
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
av_image_fill_linesizes(picture.linesize, s->pix_fmt, w);
// increase alignment of w for next try (rhs gives the lowest bit set in w)
- w += w & ~(w-1);
+ w += w & ~(w - 1);
unaligned = 0;
- for (i=0; i<4; i++){
+ for (i = 0; i < 4; i++)
unaligned |= picture.linesize[i] % stride_align[i];
- }
} while (unaligned);
tmpsize = av_image_fill_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
if (tmpsize < 0)
return -1;
- for (i=0; i<3 && picture.data[i+1]; i++)
- size[i] = picture.data[i+1] - picture.data[i];
+ for (i = 0; i < 3 && picture.data[i + 1]; i++)
+ size[i] = picture.data[i + 1] - picture.data[i];
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
memset(buf->base, 0, sizeof(buf->base));
memset(buf->data, 0, sizeof(buf->data));
- for(i=0; i<4 && size[i]; i++){
- const int h_shift= i==0 ? 0 : h_chroma_shift;
- const int v_shift= i==0 ? 0 : v_chroma_shift;
+ for (i = 0; i < 4 && size[i]; i++) {
+ const int h_shift = i == 0 ? 0 : h_chroma_shift;
+ const int v_shift = i == 0 ? 0 : v_chroma_shift;
- buf->linesize[i]= picture.linesize[i];
+ buf->linesize[i] = picture.linesize[i];
- buf->base[i]= av_malloc(size[i]+16); //FIXME 16
- if(buf->base[i]==NULL) return -1;
+ buf->base[i] = av_malloc(size[i] + 16); //FIXME 16
+ if (buf->base[i] == NULL)
+ return -1;
memset(buf->base[i], 128, size[i]);
// no edge if EDGE EMU or not planar YUV
- if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
+ if ((s->flags & CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
- buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (pixel_size*EDGE_WIDTH>>h_shift), stride_align[i]);
+ 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->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;
+ if (size[1] && !size[2])
+ avpriv_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->type= FF_BUFFER_TYPE_INTERNAL;
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];
+ pic->base[i] = buf->base[i];
+ pic->data[i] = buf->data[i];
+ pic->linesize[i] = buf->linesize[i];
}
pic->extended_data = pic->data;
avci->buffer_count++;
- 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)
+ if (s->debug & FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d "
- "buffers used\n", pic, avci->buffer_count);
+ "buffers used\n", pic, avci->buffer_count);
return 0;
}
int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
+ frame->type = FF_BUFFER_TYPE_INTERNAL;
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
return video_get_buffer(avctx, frame);
}
}
-void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ frame->width = avctx->width;
+ frame->height = avctx->height;
+ frame->format = avctx->pix_fmt;
+ frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ frame->sample_rate = avctx->sample_rate;
+ frame->format = avctx->sample_fmt;
+ frame->channel_layout = avctx->channel_layout;
+ break;
+ default: return AVERROR(EINVAL);
+ }
+
+ frame->pkt_pts = avctx->pkt ? avctx->pkt->pts : AV_NOPTS_VALUE;
+ frame->reordered_opaque = avctx->reordered_opaque;
+
+ return avctx->get_buffer(avctx, frame);
+}
+
+void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
+{
int i;
InternalBuffer *buf, *last;
AVCodecInternal *avci = s->internal;
assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
- assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
+ assert(pic->type == FF_BUFFER_TYPE_INTERNAL);
assert(avci->buffer_count);
if (avci->buffer) {
FFSWAP(InternalBuffer, *buf, *last);
}
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
- pic->data[i]=NULL;
+ 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)
+ if (s->debug & FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
- "buffers used\n", pic, avci->buffer_count);
+ "buffers used\n", pic, avci->buffer_count);
}
-int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
+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) {
+ if (pic->data[0] == NULL) {
/* We will copy from buffer, so must be readable */
pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
- return s->get_buffer(s, pic);
+ return ff_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;
- else pic->pkt_pts= AV_NOPTS_VALUE;
- pic->reordered_opaque= s->reordered_opaque;
+ if (pic->type == FF_BUFFER_TYPE_INTERNAL) {
+ if (s->pkt)
+ pic->pkt_pts = s->pkt->pts;
+ else
+ pic->pkt_pts = AV_NOPTS_VALUE;
+ pic->reordered_opaque = s->reordered_opaque;
return 0;
}
* Not internal type and reget_buffer not overridden, emulate cr buffer
*/
temp_pic = *pic;
- for(i = 0; i < AV_NUM_DATA_POINTERS; i++)
+ for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
pic->data[i] = pic->base[i] = NULL;
pic->opaque = NULL;
/* Allocate new frame */
- if (s->get_buffer(s, pic))
+ if (ff_get_buffer(s, pic))
return -1;
/* Copy image data from old buffer to new buffer */
- av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
- s->height);
+ av_picture_copy((AVPicture *)pic, (AVPicture *)&temp_pic, s->pix_fmt, s->width,
+ s->height);
s->release_buffer(s, &temp_pic); // Release old frame
return 0;
}
-int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
+int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
+{
int i;
- for(i=0; i<count; i++){
- int r= func(c, (char*)arg + i*size);
- if(ret) ret[i]= r;
+ for (i = 0; i < count; i++) {
+ int r = func(c, (char *)arg + i * size);
+ if (ret)
+ ret[i] = r;
}
return 0;
}
-int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){
+int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
+{
int i;
- for(i=0; i<count; i++){
- int r= func(c, arg, i, 0);
- if(ret) ret[i]= r;
+ for (i = 0; i < count; i++) {
+ int r = func(c, arg, i, 0);
+ if (ret)
+ ret[i] = r;
}
return 0;
}
-enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){
- while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
+static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+ return desc->flags & PIX_FMT_HWACCEL;
+}
+
+enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
+{
+ while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
++fmt;
return fmt[0];
}
-void avcodec_get_frame_defaults(AVFrame *pic){
- memset(pic, 0, sizeof(AVFrame));
+void avcodec_get_frame_defaults(AVFrame *frame)
+{
+ if (frame->extended_data != frame->data)
+ av_freep(&frame->extended_data);
+
+ memset(frame, 0, sizeof(AVFrame));
- pic->pts= AV_NOPTS_VALUE;
- pic->key_frame= 1;
- pic->sample_aspect_ratio = (AVRational){0, 1};
- pic->format = -1; /* unknown */
+ frame->pts = AV_NOPTS_VALUE;
+ frame->key_frame = 1;
+ frame->sample_aspect_ratio = (AVRational) {0, 1 };
+ frame->format = -1; /* unknown */
+ frame->extended_data = frame->data;
}
-AVFrame *avcodec_alloc_frame(void){
- AVFrame *pic= av_malloc(sizeof(AVFrame));
+AVFrame *avcodec_alloc_frame(void)
+{
+ AVFrame *frame = av_mallocz(sizeof(AVFrame));
- if(pic==NULL) return NULL;
+ if (frame == NULL)
+ return NULL;
+
+ avcodec_get_frame_defaults(frame);
+
+ return frame;
+}
+
+void avcodec_free_frame(AVFrame **frame)
+{
+ AVFrame *f;
+
+ if (!frame || !*frame)
+ return;
+
+ f = *frame;
- avcodec_get_frame_defaults(pic);
+ if (f->extended_data != f->data)
+ av_freep(&f->extended_data);
- return pic;
+ av_freep(frame);
}
-int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
+int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
{
int ret = 0;
AVDictionary *tmp = NULL;
}
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);
+ "but %s passed to avcodec_open2().\n", avctx->codec->name, codec->name);
return AVERROR(EINVAL);
}
if (!codec)
}
entangled_thread_counter++;
- if(entangled_thread_counter != 1){
+ if (entangled_thread_counter != 1) {
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
ret = -1;
goto end;
}
if (codec->priv_data_size > 0) {
- if(!avctx->priv_data){
- avctx->priv_data = av_mallocz(codec->priv_data_size);
if (!avctx->priv_data) {
- ret = AVERROR(ENOMEM);
- goto end;
- }
- if (codec->priv_class) {
- *(AVClass**)avctx->priv_data= codec->priv_class;
- av_opt_set_defaults(avctx->priv_data);
+ avctx->priv_data = av_mallocz(codec->priv_data_size);
+ if (!avctx->priv_data) {
+ ret = AVERROR(ENOMEM);
+ goto end;
+ }
+ if (codec->priv_class) {
+ *(const 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;
+ 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)
+ if (avctx->coded_width && avctx->coded_height)
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
- else if(avctx->width && avctx->height)
+ else if (avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
}
/* if the decoder init function was already called previously,
- free the already allocated subtitle_header before overwriting it */
- if (codec_is_decoder(codec))
+ * free the already allocated subtitle_header before overwriting it */
+ if (av_codec_is_decoder(codec))
av_freep(&avctx->subtitle_header);
-#define SANE_NB_CHANNELS 128U
- if (avctx->channels > SANE_NB_CHANNELS) {
+ if (avctx->channels > FF_SANE_NB_CHANNELS) {
ret = AVERROR(EINVAL);
goto free_and_end;
}
avctx->codec = codec;
if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
- avctx->codec_id == CODEC_ID_NONE) {
+ avctx->codec_id == AV_CODEC_ID_NONE) {
avctx->codec_type = codec->type;
avctx->codec_id = codec->id;
}
if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
- && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
+ && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n");
ret = AVERROR(EINVAL);
goto free_and_end;
}
avctx->frame_number = 0;
+ if (avctx->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
+ avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+ ret = AVERROR_EXPERIMENTAL;
+ goto free_and_end;
+ }
+
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
(!avctx->time_base.num || !avctx->time_base.den)) {
avctx->time_base.num = 1;
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 (codec_is_encoder(avctx->codec)) {
+ 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++)
+ for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
break;
+ if (avctx->channels == 1 &&
+ av_get_planar_sample_fmt(avctx->sample_fmt) ==
+ av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
+ avctx->sample_fmt = avctx->codec->sample_fmts[i];
+ break;
+ }
+ }
if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Specified sample_fmt is not supported.\n");
ret = AVERROR(EINVAL);
goto free_and_end;
}
}
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == AV_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])
} else if (avctx->channel_layout) {
avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
}
+
+ if (!avctx->rc_initial_buffer_occupancy)
+ avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
}
- if(avctx->codec->init && !(avctx->active_thread_type&FF_THREAD_FRAME)){
+ if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
ret = avctx->codec->init(avctx);
if (ret < 0) {
goto free_and_end;
}
}
+
+ if (av_codec_is_decoder(avctx->codec)) {
+ /* validate channel layout from the decoder */
+ if (avctx->channel_layout) {
+ int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ if (!avctx->channels)
+ avctx->channels = channels;
+ else if (channels != avctx->channels) {
+ av_log(avctx, AV_LOG_WARNING,
+ "channel layout does not match number of channels\n");
+ avctx->channel_layout = 0;
+ }
+ }
+ if (avctx->channels && avctx->channels < 0 ||
+ avctx->channels > FF_SANE_NB_CHANNELS) {
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ }
end:
entangled_thread_counter--;
av_dict_free(&tmp);
av_freep(&avctx->priv_data);
av_freep(&avctx->internal);
- avctx->codec= NULL;
+ avctx->codec = NULL;
goto end;
}
return AVERROR(EINVAL);
if (avpkt->data) {
- uint8_t *pkt_data;
+ void *destruct = avpkt->destruct;
if (avpkt->size < size)
return AVERROR(EINVAL);
- pkt_data = avpkt->data;
av_init_packet(avpkt);
- avpkt->data = pkt_data;
- avpkt->size = size;
+ 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;
- int nb_samples;
+
+ *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;
}
+ /* 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) {
- nb_samples = frame->nb_samples;
if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
- if (nb_samples > avctx->frame_size)
+ if (frame->nb_samples > avctx->frame_size)
return AVERROR(EINVAL);
} else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
- if (nb_samples != avctx->frame_size)
- return AVERROR(EINVAL);
+ 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) {
+ ret = AVERROR(EINVAL);
+ goto end;
+ }
}
- } else {
- nb_samples = avctx->frame_size;
}
- if (avctx->codec->encode2) {
- *got_packet_ptr = 0;
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret && *got_packet_ptr) {
+ ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
+ if (!ret) {
+ if (*got_packet_ptr) {
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
- avpkt->pts = frame->pts;
- avpkt->duration = av_rescale_q(frame->nb_samples,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
+ 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;
}
- } else {
- /* for compatibility with encoders not supporting encode2(), we need to
- allocate a packet buffer if the user has not provided one or check
- the size otherwise */
- int fs_tmp = 0;
- int buf_size = avpkt->size;
- if (!user_packet) {
- if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) {
- av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0);
- buf_size = nb_samples * avctx->channels *
- av_get_bits_per_sample(avctx->codec_id) / 8;
- } else {
- /* this is a guess as to the required size.
- if an encoder needs more than this, it should probably
- implement encode2() */
- buf_size = 2 * avctx->frame_size * avctx->channels *
- av_get_bytes_per_sample(avctx->sample_fmt);
- buf_size += FF_MIN_BUFFER_SIZE;
- }
- }
- if ((ret = ff_alloc_packet(avpkt, buf_size)))
- return ret;
- /* Encoders using AVCodec.encode() that support
- CODEC_CAP_SMALL_LAST_FRAME require avctx->frame_size to be set to
- the smaller size when encoding the last frame.
- This code can be removed once all encoders supporting
- CODEC_CAP_SMALL_LAST_FRAME use encode2() */
- if ((avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) &&
- nb_samples < avctx->frame_size) {
- fs_tmp = avctx->frame_size;
- avctx->frame_size = nb_samples;
+ if (!user_packet && avpkt->size) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
+ if (new_data)
+ avpkt->data = new_data;
}
- /* encode the frame */
- ret = avctx->codec->encode(avctx, avpkt->data, avpkt->size,
- frame ? frame->data[0] : NULL);
- if (ret >= 0) {
- if (!ret) {
- /* no output. if the packet data was allocated by libavcodec,
- free it */
- if (!user_packet)
- av_freep(&avpkt->data);
- } else {
- if (avctx->coded_frame)
- avpkt->pts = avpkt->dts = avctx->coded_frame->pts;
- /* Set duration for final small packet. This can be removed
- once all encoders supporting CODEC_CAP_SMALL_LAST_FRAME use
- encode2() */
- if (fs_tmp) {
- avpkt->duration = av_rescale_q(avctx->frame_size,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
- }
- }
- avpkt->size = ret;
- *got_packet_ptr = (ret > 0);
- ret = 0;
- }
+ avctx->frame_number++;
+ }
- if (fs_tmp)
- avctx->frame_size = fs_tmp;
+ if (ret < 0 || !*got_packet_ptr) {
+ av_free_packet(avpkt);
+ av_init_packet(avpkt);
+ goto end;
}
- if (!ret)
- avctx->frame_number++;
/* 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 */
+ * 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;
+end:
+ 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
+#if FF_API_OLD_ENCODE_AUDIO
int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
uint8_t *buf, int buf_size,
const short *samples)
{
AVPacket pkt;
- AVFrame frame0;
+ AVFrame frame0 = { { 0 } };
AVFrame *frame;
int ret, samples_size, got_packet;
frame->nb_samples = avctx->frame_size;
} else {
/* if frame_size is not set, the number of samples must be
- calculated from the buffer size */
+ * 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");
+ "support this codec\n");
return AVERROR(EINVAL);
}
nb_samples = (int64_t)buf_size * 8 /
(av_get_bits_per_sample(avctx->codec_id) *
- avctx->channels);
+ 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 */
+ * 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)))
+ (const uint8_t *)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 = av_rescale_q(avctx->internal->sample_count,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
+ * 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;
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)
+ const AVFrame *pict)
{
AVPacket pkt;
int ret, got_packet = 0;
- if(buf_size < FF_MIN_BUFFER_SIZE){
+ if (buf_size < FF_MIN_BUFFER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
return ret ? ret : pkt.size;
}
-#endif
-#define MAX_CODED_FRAME_SIZE(width, height)\
- (8*(width)*(height) + FF_MIN_BUFFER_SIZE)
+#endif
int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
AVPacket *avpkt,
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;
- *got_packet_ptr = 0;
+ avpkt->size = 0;
return 0;
}
if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
return AVERROR(EINVAL);
- if (avctx->codec->encode2) {
- *got_packet_ptr = 0;
- 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;
- }
- } else {
- /* for compatibility with encoders not supporting encode2(), we need to
- allocate a packet buffer if the user has not provided one or check
- the size otherwise */
- int buf_size = avpkt->size;
-
- if (!user_packet)
- buf_size = MAX_CODED_FRAME_SIZE(avctx->width, avctx->height);
+ av_assert0(avctx->codec->encode2);
- if ((ret = ff_alloc_packet(avpkt, buf_size)))
- return ret;
-
- /* encode the frame */
- ret = avctx->codec->encode(avctx, avpkt->data, avpkt->size, frame);
- if (ret >= 0) {
- if (!ret) {
- /* no output. if the packet data was allocated by libavcodec,
- free it */
- if (!user_packet)
- av_freep(&avpkt->data);
- } else if (avctx->coded_frame) {
- avpkt->pts = avctx->coded_frame->pts;
- avpkt->flags |= AV_PKT_FLAG_KEY*avctx->coded_frame->key_frame;
- }
+ 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;
- avpkt->size = ret;
- *got_packet_ptr = (ret > 0);
- ret = 0;
+ if (!user_packet && avpkt->size) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
+ if (new_data)
+ avpkt->data = new_data;
}
- }
- if (!ret)
avctx->frame_number++;
+ }
+
+ if (ret < 0 || !*got_packet_ptr)
+ av_free_packet(avpkt);
emms_c();
return ret;
const AVSubtitle *sub)
{
int ret;
- if(sub->start_display_time) {
+ if (sub->start_display_time) {
av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
return -1;
}
- if(sub->num_rects == 0 || !sub->rects)
+ if (sub->num_rects == 0 || !sub->rects)
return -1;
- ret = avctx->codec->encode(avctx, buf, buf_size, sub);
+ ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
avctx->frame_number++;
return ret;
}
}
int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- AVPacket *avpkt)
+ int *got_picture_ptr,
+ AVPacket *avpkt)
{
int ret;
- *got_picture_ptr= 0;
- if((avctx->coded_width||avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
+ *got_picture_ptr = 0;
+ if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
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_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
- ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
- avpkt);
+ avcodec_get_frame_defaults(picture);
+
+ if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (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;
+ avpkt);
+ picture->pkt_dts = avpkt->dts;
+ /* get_buffer is supposed to set frame parameters */
+ if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
+ 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;
if (*got_picture_ptr)
avctx->frame_number++;
- }else
- ret= 0;
+ } else
+ ret = 0;
+
+ /* many decoders assign whole AVFrames, thus overwriting extended_data;
+ * make sure it's set correctly */
+ picture->extended_data = picture->data;
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 *frame_size_ptr,
+ AVPacket *avpkt)
{
- AVFrame frame;
+ AVFrame frame = { { 0 } };
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");
+ "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");
+ "avcodec_decode_audio4()\n");
avctx->get_buffer = avcodec_default_get_buffer;
}
if (ret >= 0 && got_frame) {
int ch, plane_size;
- int planar = av_sample_fmt_is_planar(avctx->sample_fmt);
+ 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);
+ "the current frame (%d < %d)\n", *frame_size_ptr, data_size);
return AVERROR(EINVAL);
}
}
return ret;
}
+
#endif
int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
int *got_frame_ptr,
AVPacket *avpkt)
{
+ int planar, channels;
int ret = 0;
*got_frame_ptr = 0;
apply_param_change(avctx, avpkt);
+ avcodec_get_frame_defaults(frame);
+
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) {
frame->format = avctx->sample_fmt;
}
}
+
+ /* many decoders assign whole AVFrames, thus overwriting extended_data;
+ * make sure it's set correctly; assume decoders that actually use
+ * extended_data are doing it correctly */
+ planar = av_sample_fmt_is_planar(frame->format);
+ channels = av_get_channel_layout_nb_channels(frame->channel_layout);
+ if (!(planar && channels > AV_NUM_DATA_POINTERS))
+ frame->extended_data = frame->data;
+
return ret;
}
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
- int *got_sub_ptr,
- AVPacket *avpkt)
+ int *got_sub_ptr,
+ AVPacket *avpkt)
{
int ret;
{
int i;
- for (i = 0; i < sub->num_rects; i++)
- {
+ for (i = 0; i < sub->num_rects; i++) {
av_freep(&sub->rects[i]->pict.data[0]);
av_freep(&sub->rects[i]->pict.data[1]);
av_freep(&sub->rects[i]->pict.data[2]);
}
entangled_thread_counter++;
- if(entangled_thread_counter != 1){
+ if (entangled_thread_counter != 1) {
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
entangled_thread_counter--;
return -1;
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if (codec_is_encoder(avctx->codec))
+ if (av_codec_is_encoder(avctx->codec))
av_freep(&avctx->extradata);
avctx->codec = NULL;
avctx->active_thread_type = 0;
return 0;
}
-AVCodec *avcodec_find_encoder(enum CodecID id)
+static AVCodec *find_encdec(enum AVCodecID id, int encoder)
{
- AVCodec *p, *experimental=NULL;
+ AVCodec *p, *experimental = NULL;
p = first_avcodec;
while (p) {
- if (codec_is_encoder(p) && p->id == id) {
+ if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
+ p->id == id) {
if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
experimental = p;
} else
return experimental;
}
+AVCodec *avcodec_find_encoder(enum AVCodecID id)
+{
+ return find_encdec(id, 1);
+}
+
AVCodec *avcodec_find_encoder_by_name(const char *name)
{
AVCodec *p;
return NULL;
p = first_avcodec;
while (p) {
- if (codec_is_encoder(p) && strcmp(name,p->name) == 0)
+ if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
return p;
p = p->next;
}
return NULL;
}
-AVCodec *avcodec_find_decoder(enum CodecID id)
+AVCodec *avcodec_find_decoder(enum AVCodecID id)
{
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (codec_is_decoder(p) && p->id == id)
- return p;
- p = p->next;
- }
- return NULL;
+ return find_encdec(id, 0);
}
AVCodec *avcodec_find_decoder_by_name(const char *name)
return NULL;
p = first_avcodec;
while (p) {
- if (codec_is_decoder(p) && strcmp(name,p->name) == 0)
+ if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
return p;
p = p->next;
}
int bit_rate;
int bits_per_sample;
- switch(ctx->codec_type) {
+ switch (ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE:
for (i = 0; i < 4; i++) {
len = snprintf(buf, buf_size,
- isprint(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF);
- buf += len;
- buf_size = buf_size > len ? buf_size - len : 0;
- ret += len;
- codec_tag>>=8;
+ isprint(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
+ buf += len;
+ buf_size = buf_size > len ? buf_size - len : 0;
+ ret += len;
+ codec_tag >>= 8;
}
return ret;
}
{
const char *codec_name;
const char *profile = NULL;
- AVCodec *p;
+ const AVCodec *p;
char buf1[32];
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);
if (p) {
codec_name = p->name;
profile = av_get_profile_name(p, enc->profile);
- } else if (enc->codec_id == CODEC_ID_MPEG2TS) {
+ } else if (enc->codec_id == AV_CODEC_ID_MPEG2TS) {
/* fake mpeg2 transport stream codec (currently not
- registered) */
+ * registered) */
codec_name = "mpeg2ts";
} else if (enc->codec_name[0] != '\0') {
codec_name = enc->codec_name;
codec_name = buf1;
}
- switch(enc->codec_type) {
+ switch (enc->codec_type) {
case AVMEDIA_TYPE_VIDEO:
snprintf(buf, buf_size,
"Video: %s%s",
if (profile)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" (%s)", profile);
- if (enc->pix_fmt != PIX_FMT_NONE) {
+ if (enc->pix_fmt != AV_PIX_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s",
av_get_pix_fmt_name(enc->pix_fmt));
enc->width, enc->height);
if (enc->sample_aspect_ratio.num) {
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
- enc->width*enc->sample_aspect_ratio.num,
- enc->height*enc->sample_aspect_ratio.den,
- 1024*1024);
+ enc->width * enc->sample_aspect_ratio.num,
+ enc->height * enc->sample_aspect_ratio.den,
+ 1024 * 1024);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" [PAR %d:%d DAR %d:%d]",
enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
- if(av_log_get_level() >= AV_LOG_DEBUG){
- int g= av_gcd(enc->time_base.num, enc->time_base.den);
+ if (av_log_get_level() >= AV_LOG_DEBUG) {
+ int g = av_gcd(enc->time_base.num, enc->time_base.den);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d/%d",
- enc->time_base.num/g, enc->time_base.den/g);
+ ", %d/%d",
+ enc->time_base.num / g, enc->time_base.den / g);
}
}
if (encode) {
return NULL;
}
-unsigned avcodec_version( void )
+unsigned avcodec_version(void)
{
- return LIBAVCODEC_VERSION_INT;
+ return LIBAVCODEC_VERSION_INT;
}
const char *avcodec_configuration(void)
void avcodec_flush_buffers(AVCodecContext *avctx)
{
- if(HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
+ if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
ff_thread_flush(avctx);
- else if(avctx->codec->flush)
+ else if (avctx->codec->flush)
avctx->codec->flush(avctx);
}
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++){
+ for (i = 0; i < INTERNAL_BUFFER_SIZE; i++) {
InternalBuffer *buf = &avci->buffer[i];
- for(j=0; j<4; j++){
+ for (j = 0; j < 4; j++) {
av_freep(&buf->base[j]);
- buf->data[j]= NULL;
+ buf->data[j] = NULL;
}
}
av_freep(&avci->buffer);
- avci->buffer_count=0;
+ avci->buffer_count = 0;
}
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);
+ av_freep(&avci->audio_data);
}
void avcodec_default_free_buffers(AVCodecContext *avctx)
}
}
-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_CT:
- case CODEC_ID_ADPCM_IMA_APC:
- case CODEC_ID_ADPCM_IMA_WAV:
- case CODEC_ID_ADPCM_IMA_QT:
- case CODEC_ID_ADPCM_SWF:
- case CODEC_ID_ADPCM_MS:
- case CODEC_ID_ADPCM_YAMAHA:
- case CODEC_ID_ADPCM_G722:
+int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
+{
+ switch (codec_id) {
+ case AV_CODEC_ID_ADPCM_CT:
+ case AV_CODEC_ID_ADPCM_IMA_APC:
+ case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case AV_CODEC_ID_ADPCM_IMA_WS:
+ case AV_CODEC_ID_ADPCM_G722:
+ case AV_CODEC_ID_ADPCM_YAMAHA:
return 4;
- case CODEC_ID_PCM_ALAW:
- case CODEC_ID_PCM_MULAW:
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- case CODEC_ID_PCM_ZORK:
+ case AV_CODEC_ID_PCM_ALAW:
+ case AV_CODEC_ID_PCM_MULAW:
+ case AV_CODEC_ID_PCM_S8:
+ case AV_CODEC_ID_PCM_U8:
+ case AV_CODEC_ID_PCM_ZORK:
return 8;
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16LE_PLANAR:
- case CODEC_ID_PCM_U16BE:
- case CODEC_ID_PCM_U16LE:
+ case AV_CODEC_ID_PCM_S16BE:
+ case AV_CODEC_ID_PCM_S16LE:
+ case AV_CODEC_ID_PCM_S16LE_PLANAR:
+ case AV_CODEC_ID_PCM_U16BE:
+ case AV_CODEC_ID_PCM_U16LE:
return 16;
- case CODEC_ID_PCM_S24DAUD:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_U24LE:
+ case AV_CODEC_ID_PCM_S24DAUD:
+ case AV_CODEC_ID_PCM_S24BE:
+ case AV_CODEC_ID_PCM_S24LE:
+ case AV_CODEC_ID_PCM_U24BE:
+ case AV_CODEC_ID_PCM_U24LE:
return 24;
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_U32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_F32BE:
- case CODEC_ID_PCM_F32LE:
+ case AV_CODEC_ID_PCM_S32BE:
+ case AV_CODEC_ID_PCM_S32LE:
+ case AV_CODEC_ID_PCM_U32BE:
+ case AV_CODEC_ID_PCM_U32LE:
+ case AV_CODEC_ID_PCM_F32BE:
+ case AV_CODEC_ID_PCM_F32LE:
return 32;
- case CODEC_ID_PCM_F64BE:
- case CODEC_ID_PCM_F64LE:
+ case AV_CODEC_ID_PCM_F64BE:
+ case AV_CODEC_ID_PCM_F64LE:
return 64;
default:
return 0;
}
}
+int av_get_bits_per_sample(enum AVCodecID codec_id)
+{
+ switch (codec_id) {
+ case AV_CODEC_ID_ADPCM_SBPRO_2:
+ return 2;
+ case AV_CODEC_ID_ADPCM_SBPRO_3:
+ return 3;
+ case AV_CODEC_ID_ADPCM_SBPRO_4:
+ case AV_CODEC_ID_ADPCM_IMA_WAV:
+ case AV_CODEC_ID_ADPCM_IMA_QT:
+ case AV_CODEC_ID_ADPCM_SWF:
+ case AV_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 AV_CODEC_ID_ADPCM_ADX: return 32;
+ case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
+ case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
+ case AV_CODEC_ID_AMR_NB:
+ case AV_CODEC_ID_GSM:
+ case AV_CODEC_ID_QCELP:
+ case AV_CODEC_ID_RA_144:
+ case AV_CODEC_ID_RA_288: return 160;
+ case AV_CODEC_ID_IMC: return 256;
+ case AV_CODEC_ID_AMR_WB:
+ case AV_CODEC_ID_GSM_MS: return 320;
+ case AV_CODEC_ID_MP1: return 384;
+ case AV_CODEC_ID_ATRAC1: return 512;
+ case AV_CODEC_ID_ATRAC3: return 1024;
+ case AV_CODEC_ID_MP2:
+ case AV_CODEC_ID_MUSEPACK7: return 1152;
+ case AV_CODEC_ID_AC3: return 1536;
+ }
+
+ if (sr > 0) {
+ /* calc from sample rate */
+ if (id == AV_CODEC_ID_TTA)
+ return 256 * sr / 245;
+
+ if (ch > 0) {
+ /* calc from sample rate and channels */
+ if (id == AV_CODEC_ID_BINKAUDIO_DCT)
+ return (480 << (sr / 22050)) / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from block_align */
+ if (id == AV_CODEC_ID_SIPR) {
+ switch (ba) {
+ case 20: return 160;
+ case 19: return 144;
+ case 29: return 288;
+ case 37: return 480;
+ }
+ } else if (id == AV_CODEC_ID_ILBC) {
+ switch (ba) {
+ case 38: return 160;
+ case 50: return 240;
+ }
+ }
+ }
+
+ if (frame_bytes > 0) {
+ /* calc from frame_bytes only */
+ if (id == AV_CODEC_ID_TRUESPEECH)
+ return 240 * (frame_bytes / 32);
+ if (id == AV_CODEC_ID_NELLYMOSER)
+ return 256 * (frame_bytes / 64);
+
+ if (bps > 0) {
+ /* calc from frame_bytes and bits_per_coded_sample */
+ if (id == AV_CODEC_ID_ADPCM_G726)
+ return frame_bytes * 8 / bps;
+ }
+
+ if (ch > 0) {
+ /* calc from frame_bytes and channels */
+ switch (id) {
+ case AV_CODEC_ID_ADPCM_4XM:
+ case AV_CODEC_ID_ADPCM_IMA_ISS:
+ return (frame_bytes - 4 * ch) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
+ return (frame_bytes - 4) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_IMA_AMV:
+ return (frame_bytes - 8) * 2 / ch;
+ case AV_CODEC_ID_ADPCM_XA:
+ return (frame_bytes / 128) * 224 / ch;
+ case AV_CODEC_ID_INTERPLAY_DPCM:
+ return (frame_bytes - 6 - ch) / ch;
+ case AV_CODEC_ID_ROQ_DPCM:
+ return (frame_bytes - 8) / ch;
+ case AV_CODEC_ID_XAN_DPCM:
+ return (frame_bytes - 2 * ch) / ch;
+ case AV_CODEC_ID_MACE3:
+ return 3 * frame_bytes / ch;
+ case AV_CODEC_ID_MACE6:
+ return 6 * frame_bytes / ch;
+ case AV_CODEC_ID_PCM_LXF:
+ return 2 * (frame_bytes / (5 * ch));
+ }
+
+ if (tag) {
+ /* calc from frame_bytes, channels, and codec_tag */
+ if (id == AV_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 AV_CODEC_ID_ADPCM_IMA_WAV:
+ return blocks * (1 + (ba - 4 * ch) / (4 * ch) * 8);
+ case AV_CODEC_ID_ADPCM_IMA_DK3:
+ return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
+ case AV_CODEC_ID_ADPCM_IMA_DK4:
+ return blocks * (1 + (ba - 4 * ch) * 2 / ch);
+ case AV_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 AV_CODEC_ID_PCM_DVD:
+ return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
+ case AV_CODEC_ID_PCM_BLURAY:
+ return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
+ case AV_CODEC_ID_S302M:
+ return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
#if !HAVE_THREADS
-int ff_thread_init(AVCodecContext *s){
+int ff_thread_init(AVCodecContext *s)
+{
return -1;
}
+
#endif
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
{
unsigned int n = 0;
- while(v >= 0xff) {
+ while (v >= 0xff) {
*s++ = 0xff;
v -= 0xff;
n++;
return n;
}
-int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){
+int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
+{
int i;
- for(i=0; i<size && !(tab[i][0]==a && tab[i][1]==b); i++);
+ for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
return i;
}
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
{
- av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your Libav "
+ av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your Libav "
"version to the newest one from Git. If the problem still "
"occurs, it means that your file has a feature which has not "
"been implemented.\n", feature);
return hwaccel ? hwaccel->next : first_hwaccel;
}
-AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt)
+AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt)
{
- AVHWAccel *hwaccel=NULL;
+ AVHWAccel *hwaccel = NULL;
- while((hwaccel= av_hwaccel_next(hwaccel))){
- if ( hwaccel->id == codec_id
+ while ((hwaccel = av_hwaccel_next(hwaccel)))
+ if (hwaccel->id == codec_id
&& hwaccel->pix_fmt == pix_fmt)
return hwaccel;
- }
return NULL;
}
unsigned int avpriv_toupper4(unsigned int x)
{
- return toupper( x &0xFF)
- + (toupper((x>>8 )&0xFF)<<8 )
- + (toupper((x>>16)&0xFF)<<16)
- + (toupper((x>>24)&0xFF)<<24);
+ return toupper(x & 0xFF)
+ + (toupper((x >> 8) & 0xFF) << 8)
+ + (toupper((x >> 16) & 0xFF) << 16)
+ + (toupper((x >> 24) & 0xFF) << 24);
}
#if !HAVE_THREADS
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
{
f->owner = avctx;
- return avctx->get_buffer(avctx, f);
+ return ff_get_buffer(avctx, f);
}
void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
#endif
-enum AVMediaType avcodec_get_type(enum CodecID codec_id)
+enum AVMediaType avcodec_get_type(enum AVCodecID codec_id)
{
- if (codec_id <= CODEC_ID_NONE)
+ if (codec_id <= AV_CODEC_ID_NONE)
return AVMEDIA_TYPE_UNKNOWN;
- else if (codec_id < CODEC_ID_FIRST_AUDIO)
+ else if (codec_id < AV_CODEC_ID_FIRST_AUDIO)
return AVMEDIA_TYPE_VIDEO;
- else if (codec_id < CODEC_ID_FIRST_SUBTITLE)
+ else if (codec_id < AV_CODEC_ID_FIRST_SUBTITLE)
return AVMEDIA_TYPE_AUDIO;
- else if (codec_id < CODEC_ID_FIRST_UNKNOWN)
+ else if (codec_id < AV_CODEC_ID_FIRST_UNKNOWN)
return AVMEDIA_TYPE_SUBTITLE;
return AVMEDIA_TYPE_UNKNOWN;
projects / ffmpeg / blobdiff