* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* utils.
*/
+#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/crc.h"
#include "libavutil/mathematics.h"
#include "libavutil/imgutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/dict.h"
+#include "libavutil/avassert.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>
return ptr;
}
-void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
+static inline int ff_fast_malloc(void *ptr, unsigned int *size, size_t min_size, int zero_realloc)
{
void **p = ptr;
if (min_size < *size)
- return;
+ return 0;
min_size= FFMAX(17*min_size/16 + 32, min_size);
av_free(*p);
- *p = av_malloc(min_size);
+ *p = zero_realloc ? av_mallocz(min_size) : av_malloc(min_size);
if (!*p) min_size = 0;
*size= min_size;
+ return 1;
+}
+
+void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
+{
+ ff_fast_malloc(ptr, size, min_size, 0);
+}
+
+void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
+{
+ uint8_t **p = ptr;
+ if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+ *p = NULL;
+ *size = 0;
+ return;
+ }
+ if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
+ memset(*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
}
/* encoder management */
else return first_avcodec;
}
-#if !FF_API_AVCODEC_INIT
-static
-#endif
-void avcodec_init(void)
+static void avcodec_init(void)
{
static int initialized = 0;
dsputil_static_init();
}
+static av_always_inline int codec_is_encoder(AVCodec *codec)
+{
+ return codec && (codec->encode || codec->encode2);
+}
+
+static av_always_inline int codec_is_decoder(AVCodec *codec)
+{
+ return codec && codec->decode;
+}
+
void avcodec_register(AVCodec *codec)
{
AVCodec **p;
case PIX_FMT_GBRP9BE:
case PIX_FMT_GBRP10LE:
case PIX_FMT_GBRP10BE:
- 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
+ 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:
break;
}
+ if(s->codec_id == CODEC_ID_IFF_ILBM || s->codec_id == CODEC_ID_IFF_BYTERUN1){
+ w_align= FFMAX(w_align, 8);
+ }
+
*width = FFALIGN(*width , w_align);
*height= FFALIGN(*height, h_align);
if(s->codec_id == CODEC_ID_H264 || s->lowres)
#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) {
+ s->codec_id == CODEC_ID_VP6A || s->codec_id == CODEC_ID_DIRAC) {
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
linesize_align[i] = 16;
}
*width=FFALIGN(*width, align);
}
+void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic)
+{
+ if (s->pkt) {
+ pic->pkt_pts = s->pkt->pts;
+ pic->pkt_pos = s->pkt->pos;
+ } else {
+ pic->pkt_pts = AV_NOPTS_VALUE;
+ pic->pkt_pos = -1;
+ }
+ pic->reordered_opaque= s->reordered_opaque;
+ pic->sample_aspect_ratio = s->sample_aspect_ratio;
+ pic->width = s->width;
+ pic->height = s->height;
+ pic->format = s->pix_fmt;
+}
+
+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_freep(&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, i, needs_extended_data;
+ int buf_size, ret;
buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
frame->nb_samples, avctx->sample_fmt,
if (buf_size < 0)
return AVERROR(EINVAL);
- needs_extended_data = av_sample_fmt_is_planar(avctx->sample_fmt) &&
- avctx->channels > AV_NUM_DATA_POINTERS;
-
/* allocate InternalBuffer if needed */
if (!avci->buffer) {
avci->buffer = av_mallocz(sizeof(InternalBuffer));
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);
+ av_freep(&buf->extended_data);
buf->extended_data = NULL;
buf->data[0] = 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 the channel pointers will fit, just set extended_data to data,
- otherwise allocate the extended_data channel pointers */
- if (needs_extended_data) {
- buf->extended_data = av_mallocz(avctx->channels *
- sizeof(*buf->extended_data));
- if (!buf->extended_data)
+ if (!buf->data[0]) {
+ if (!(buf->data[0] = av_mallocz(buf_size)))
return AVERROR(ENOMEM);
- } else {
- buf->extended_data = buf->data;
+ buf->audio_data_size = buf_size;
}
-
- /* if there is a previous buffer and it is large enough, reuse it and
- just fill-in new channel pointers and linesize, otherwise allocate
- a new buffer */
- if (buf->extended_data[0]) {
- ret = av_samples_fill_arrays(buf->extended_data, &buf->linesize[0],
- buf->extended_data[0], avctx->channels,
- frame->nb_samples, avctx->sample_fmt,
- 32);
- } else {
- ret = av_samples_alloc(buf->extended_data, &buf->linesize[0],
- avctx->channels, frame->nb_samples,
- avctx->sample_fmt, 32);
- }
- if (ret)
+ if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
+ avctx->sample_fmt, buf->data[0],
+ buf->audio_data_size, 32)))
return ret;
- /* if data was not used for extended_data, we need to copy as many of
- the extended_data channel pointers as will fit */
- if (needs_extended_data) {
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
- buf->data[i] = buf->extended_data[i];
- }
- buf->audio_data_size = buf_size;
- buf->nb_channels = avctx->channels;
+ 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));
}
- /* copy InternalBuffer info to the AVFrame */
frame->type = FF_BUFFER_TYPE_INTERNAL;
- frame->extended_data = buf->extended_data;
- frame->linesize[0] = buf->linesize[0];
- memcpy(frame->data, buf->data, sizeof(frame->data));
- if (avctx->pkt) frame->pkt_pts = avctx->pkt->pts;
- else frame->pkt_pts = AV_NOPTS_VALUE;
+ if (avctx->pkt) {
+ frame->pkt_pts = avctx->pkt->pts;
+ frame->pkt_pos = avctx->pkt->pos;
+ } else {
+ frame->pkt_pts = AV_NOPTS_VALUE;
+ frame->pkt_pos = -1;
+ }
+
frame->reordered_opaque = avctx->reordered_opaque;
if (avctx->debug & FF_DEBUG_BUFFERS)
int w= s->width;
int h= s->height;
InternalBuffer *buf;
- int *picture_number;
AVCodecInternal *avci = s->internal;
if(pic->data[0]!=NULL) {
}
buf = &avci->buffer[avci->buffer_count];
- picture_number = &(avci->buffer[INTERNAL_BUFFER_SIZE]).last_pic_num; //FIXME ugly hack
- (*picture_number)++;
if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
if(s->active_thread_type&FF_THREAD_FRAME) {
}
}
- 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;
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));
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;
pic->extended_data = pic->data;
avci->buffer_count++;
- if(s->pkt) pic->pkt_pts= s->pkt->pts;
- else pic->pkt_pts= AV_NOPTS_VALUE;
+ if (s->pkt) {
+ pic->pkt_pts = s->pkt->pts;
+ pic->pkt_pos = s->pkt->pos;
+ } else {
+ pic->pkt_pts = AV_NOPTS_VALUE;
+ pic->pkt_pos = -1;
+ }
pic->reordered_opaque= s->reordered_opaque;
+ pic->sample_aspect_ratio = s->sample_aspect_ratio;
+ pic->width = s->width;
+ pic->height = s->height;
+ pic->format = s->pix_fmt;
if(s->debug&FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d "
assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
+ if (pic->data[0] && (pic->width != s->width || pic->height != s->height || pic->format != s->pix_fmt)) {
+ av_log(s, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
+ pic->width, pic->height, av_get_pix_fmt_name(pic->format), s->width, s->height, av_get_pix_fmt_name(s->pix_fmt));
+ s->release_buffer(s, pic);
+ }
+
+ ff_init_buffer_info(s, pic);
+
/* If no picture return a new buffer */
if(pic->data[0] == NULL) {
/* We will copy from buffer, so must be readable */
/* 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;
return 0;
}
void avcodec_get_frame_defaults(AVFrame *pic){
memset(pic, 0, sizeof(AVFrame));
- pic->pts= AV_NOPTS_VALUE;
+ pic->pts = pic->pkt_dts = pic->pkt_pts = pic->best_effort_timestamp = AV_NOPTS_VALUE;
+ pic->pkt_pos = -1;
pic->key_frame= 1;
+ pic->sample_aspect_ratio = (AVRational){0, 1};
+ pic->format = -1; /* unknown */
}
AVFrame *avcodec_alloc_frame(void){
return pic;
}
+static void avcodec_get_subtitle_defaults(AVSubtitle *sub)
+{
+ memset(sub, 0, sizeof(*sub));
+ sub->pts = AV_NOPTS_VALUE;
+}
+
#if FF_API_AVCODEC_OPEN
int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
int ret = 0;
AVDictionary *tmp = NULL;
+ if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
+ return AVERROR(EINVAL);
+
if (options)
av_dict_copy(&tmp, *options, 0);
if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
goto free_and_end;
+ if (codec->capabilities & CODEC_CAP_EXPERIMENTAL)
+ if (avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+ av_log(avctx, AV_LOG_ERROR, "Codec is experimental but experimental codecs are not enabled, see -strict -2\n");
+ ret = -1;
+ goto free_and_end;
+ }
+
+ //We only call avcodec_set_dimensions() for non h264 codecs so as not to overwrite previously setup dimensions
+ if(!( avctx->coded_width && avctx->coded_height && avctx->width && avctx->height && avctx->codec_id == CODEC_ID_H264)){
if(avctx->coded_width && avctx->coded_height)
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_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)
&& ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
/* if the decoder init function was already called previously,
free the already allocated subtitle_header before overwriting it */
- if (codec->decode)
+ if (codec_is_decoder(codec))
av_freep(&avctx->subtitle_header);
#define SANE_NB_CHANNELS 128U
goto free_and_end;
}
avctx->frame_number = 0;
-#if FF_API_ER
-
- av_log(avctx, AV_LOG_DEBUG, "err{or,}_recognition separate: %d; %d\n",
- avctx->error_recognition, avctx->err_recognition);
- /* FF_ER_CAREFUL (==1) implies AV_EF_CRCCHECK (== 1<<1 - 1),
- FF_ER_COMPLIANT (==2) implies AV_EF_{CRCCHECK,BITSTREAM} (== 1<<2 - 1), et cetera} */
- avctx->err_recognition |= (1<<(avctx->error_recognition-(avctx->error_recognition>=FF_ER_VERY_AGGRESSIVE))) - 1;
- av_log(avctx, AV_LOG_DEBUG, "err{or,}_recognition combined: %d; %d\n",
- avctx->error_recognition, avctx->err_recognition);
-#endif
+
+ 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)
+ av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n");
if (HAVE_THREADS && !avctx->thread_opaque) {
ret = ff_thread_init(avctx);
goto free_and_end;
}
}
+ if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
+ avctx->thread_count = 1;
- if (avctx->codec->max_lowres < avctx->lowres) {
+ if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
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 (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++)
}
}
+ avctx->pts_correction_num_faulty_pts =
+ avctx->pts_correction_num_faulty_dts = 0;
+ avctx->pts_correction_last_pts =
+ avctx->pts_correction_last_dts = INT64_MIN;
+
if(avctx->codec->init && !(avctx->active_thread_type&FF_THREAD_FRAME)){
ret = avctx->codec->init(avctx);
if (ret < 0) {
goto free_and_end;
}
}
+
+ ret=0;
end:
entangled_thread_counter--;
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) {
+ uint8_t *pkt_data;
+ int pkt_size;
+
+ if (avpkt->size < size)
+ return AVERROR(EINVAL);
+
+ pkt_data = avpkt->data;
+ pkt_size = avpkt->size;
+ av_init_packet(avpkt);
+ avpkt->data = pkt_data;
+ avpkt->size = pkt_size;
+ return 0;
+ } else {
+ return av_new_packet(avpkt, size);
}
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
- int ret = avctx->codec->encode(avctx, buf, buf_size, samples);
- avctx->frame_number++;
- return ret;
- }else
+}
+
+int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
+ AVPacket *avpkt,
+ const AVFrame *frame,
+ int *got_packet_ptr)
+{
+ int ret;
+ int user_packet = !!avpkt->data;
+ int nb_samples;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_init_packet(avpkt);
+ avpkt->size = 0;
return 0;
+ }
+
+ /* 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)
+ return AVERROR(EINVAL);
+ } else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
+ if (nb_samples != avctx->frame_size)
+ return AVERROR(EINVAL);
+ }
+ } 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 &&
+ !(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);
+ }
+ } 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);
+ if (!frame)
+ return AVERROR(EINVAL);
+ 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;
+ }
+
+ /* 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 = 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;
+ }
+
+ if (fs_tmp)
+ avctx->frame_size = fs_tmp;
+ }
+ 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 */
+ avpkt->flags |= AV_PKT_FLAG_KEY;
+
+ 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 */
+ if(avctx->sample_rate && avctx->time_base.num)
+ frame->pts = av_rescale_q(avctx->internal->sample_count,
+ (AVRational){ 1, avctx->sample_rate },
+ avctx->time_base);
+ else
+ frame->pts = AV_NOPTS_VALUE;
+ 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 */
+ ff_packet_free_side_data(&pkt);
+
+ if (frame && frame->extended_data != frame->data)
+ av_freep(&frame->extended_data);
+
+ return ret ? ret : pkt.size;
}
+#endif
int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict)
av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
return -1;
}
- if(sub->num_rects == 0 || !sub->rects)
- return -1;
+
ret = avctx->codec->encode(avctx, buf, buf_size, sub);
avctx->frame_number++;
return ret;
}
+/**
+ * Attempt to guess proper monotonic timestamps for decoded video frames
+ * which might have incorrect times. Input timestamps may wrap around, in
+ * which case the output will as well.
+ *
+ * @param pts the pts field of the decoded AVPacket, as passed through
+ * AVFrame.pkt_pts
+ * @param dts the dts field of the decoded AVPacket
+ * @return one of the input values, may be AV_NOPTS_VALUE
+ */
+static int64_t guess_correct_pts(AVCodecContext *ctx,
+ int64_t reordered_pts, int64_t dts)
+{
+ int64_t pts = AV_NOPTS_VALUE;
+
+ if (dts != AV_NOPTS_VALUE) {
+ ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
+ ctx->pts_correction_last_dts = dts;
+ }
+ if (reordered_pts != AV_NOPTS_VALUE) {
+ ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
+ ctx->pts_correction_last_pts = reordered_pts;
+ }
+ if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
+ && reordered_pts != AV_NOPTS_VALUE)
+ pts = reordered_pts;
+ else
+ pts = dts;
+
+ return pts;
+}
+
+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)
+ const AVPacket *avpkt)
{
int ret;
+ // copy to ensure we do not change avpkt
+ AVPacket tmp = *avpkt;
*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;
-
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type&FF_THREAD_FRAME)){
+ int did_split = av_packet_split_side_data(&tmp);
+ apply_param_change(avctx, &tmp);
+ avctx->pkt = &tmp;
if (HAVE_THREADS && avctx->active_thread_type&FF_THREAD_FRAME)
ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
- avpkt);
+ &tmp);
else {
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- avpkt);
+ &tmp);
picture->pkt_dts= avpkt->dts;
+
+ if(!avctx->has_b_frames){
+ picture->pkt_pos= avpkt->pos;
+ }
+ //FIXME these should be under if(!avctx->has_b_frames)
+ if (!picture->sample_aspect_ratio.num)
+ picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
+ if (!picture->width)
+ picture->width = avctx->width;
+ if (!picture->height)
+ picture->height = avctx->height;
+ if (picture->format == PIX_FMT_NONE)
+ picture->format = avctx->pix_fmt;
}
emms_c(); //needed to avoid an emms_c() call before every return;
- if (*got_picture_ptr)
+ avctx->pkt = NULL;
+ if (did_split)
+ ff_packet_free_side_data(&tmp);
+
+ if (*got_picture_ptr){
avctx->frame_number++;
+ picture->best_effort_timestamp = guess_correct_pts(avctx,
+ picture->pkt_pts,
+ picture->pkt_dts);
+ }
}else
ret= 0;
int ret, got_frame = 0;
if (avctx->get_buffer != avcodec_default_get_buffer) {
- av_log(avctx, AV_LOG_ERROR, "A custom get_buffer() cannot be used with "
- "avcodec_decode_audio3()\n");
- return AVERROR(EINVAL);
+ 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;
+ avctx->release_buffer = avcodec_default_release_buffer;
}
ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt);
*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);
}
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
+ av_packet_split_side_data(avpkt);
+ apply_param_change(avctx, avpkt);
+
+ avctx->pkt = avpkt;
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;
avctx->pkt = avpkt;
*got_sub_ptr = 0;
+ avcodec_get_subtitle_defaults(sub);
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
if (*got_sub_ptr)
avctx->frame_number++;
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if(avctx->codec && avctx->codec->encode)
+ if (codec_is_encoder(avctx->codec))
av_freep(&avctx->extradata);
avctx->codec = NULL;
avctx->active_thread_type = 0;
return 0;
}
+static enum CodecID remap_deprecated_codec_id(enum CodecID id)
+{
+ switch(id){
+ case CODEC_ID_G723_1_DEPRECATED : return CODEC_ID_G723_1;
+ case CODEC_ID_G729_DEPRECATED : return CODEC_ID_G729;
+ case CODEC_ID_UTVIDEO_DEPRECATED: return CODEC_ID_UTVIDEO;
+ default : return id;
+ }
+}
+
AVCodec *avcodec_find_encoder(enum CodecID id)
{
AVCodec *p, *experimental=NULL;
p = first_avcodec;
+ id= remap_deprecated_codec_id(id);
while (p) {
- if (p->encode != NULL && p->id == id) {
+ if (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 (codec_is_encoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
AVCodec *avcodec_find_decoder(enum CodecID id)
{
- AVCodec *p;
+ AVCodec *p, *experimental=NULL;
p = first_avcodec;
+ id= remap_deprecated_codec_id(id);
while (p) {
- if (p->decode != NULL && p->id == id)
- return p;
+ if (codec_is_decoder(p) && p->id == id) {
+ if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
+ experimental = p;
+ } else
+ return p;
+ }
p = p->next;
}
- return NULL;
+ return experimental;
}
AVCodec *avcodec_find_decoder_by_name(const char *name)
return NULL;
p = first_avcodec;
while (p) {
- if (p->decode != NULL && strcmp(name,p->name) == 0)
+ if (codec_is_decoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
return bit_rate;
}
+const char *avcodec_get_name(enum CodecID id)
+{
+ AVCodec *codec;
+
+#if !CONFIG_SMALL
+ switch (id) {
+#include "libavcodec/codec_names.h"
+ }
+ av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
+#endif
+ codec = avcodec_find_decoder(id);
+ if (codec)
+ return codec->name;
+ codec = avcodec_find_encoder(id);
+ if (codec)
+ return codec->name;
+ return "unknown_codec";
+}
+
size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
{
int i, len, ret = 0;
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
{
+ const char *codec_type;
const char *codec_name;
const char *profile = NULL;
AVCodec *p;
- char buf1[32];
int bitrate;
AVRational display_aspect_ratio;
- 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) {
- /* fake mpeg2 transport stream codec (currently not
- registered) */
- codec_name = "mpeg2ts";
- } else if (enc->codec_name[0] != '\0') {
- codec_name = enc->codec_name;
- } else {
- /* output avi tags */
+ if (!buf || buf_size <= 0)
+ return;
+ codec_type = av_get_media_type_string(enc->codec_type);
+ codec_name = avcodec_get_name(enc->codec_id);
+ if (enc->profile != FF_PROFILE_UNKNOWN) {
+ p = encode ? avcodec_find_encoder(enc->codec_id) :
+ avcodec_find_decoder(enc->codec_id);
+ if (p)
+ profile = av_get_profile_name(p, enc->profile);
+ }
+
+ snprintf(buf, buf_size, "%s: %s%s", codec_type ? codec_type : "unknown",
+ codec_name, enc->mb_decision ? " (hq)" : "");
+ buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
+ if (profile)
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile);
+ if (enc->codec_tag) {
char tag_buf[32];
av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
- snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag);
- codec_name = buf1;
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " (%s / 0x%04X)", tag_buf, enc->codec_tag);
}
-
switch(enc->codec_type) {
case AVMEDIA_TYPE_VIDEO:
- snprintf(buf, buf_size,
- "Video: %s%s",
- codec_name, enc->mb_decision ? " (hq)" : "");
- if (profile)
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- " (%s)", profile);
if (enc->pix_fmt != PIX_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s",
enc->height*enc->sample_aspect_ratio.den,
1024*1024);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- " [PAR %d:%d DAR %d:%d]",
+ " [SAR %d:%d DAR %d:%d]",
enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
}
break;
case AVMEDIA_TYPE_AUDIO:
- snprintf(buf, buf_size,
- "Audio: %s",
- codec_name);
- if (profile)
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- " (%s)", profile);
if (enc->sample_rate) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d Hz", enc->sample_rate);
", %s", av_get_sample_fmt_name(enc->sample_fmt));
}
break;
- case AVMEDIA_TYPE_DATA:
- snprintf(buf, buf_size, "Data: %s", codec_name);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- snprintf(buf, buf_size, "Subtitle: %s", codec_name);
- break;
- case AVMEDIA_TYPE_ATTACHMENT:
- snprintf(buf, buf_size, "Attachment: %s", codec_name);
- break;
default:
- snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
return;
}
if (encode) {
unsigned avcodec_version( void )
{
+// av_assert0(CODEC_ID_V410==164);
+ av_assert0(CODEC_ID_PCM_S8_PLANAR==65563);
+ av_assert0(CODEC_ID_ADPCM_G722==69660);
+// av_assert0(CODEC_ID_BMV_AUDIO==86071);
+ av_assert0(CODEC_ID_SRT==94216);
+ av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
+
return LIBAVCODEC_VERSION_INT;
}
const char *avcodec_configuration(void)
{
- return LIBAV_CONFIGURATION;
+ return FFMPEG_CONFIGURATION;
}
const char *avcodec_license(void)
{
#define LICENSE_PREFIX "libavcodec license: "
- return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
void avcodec_flush_buffers(AVCodecContext *avctx)
if (buf->extended_data) {
av_free(buf->extended_data[0]);
if (buf->extended_data != buf->data)
- av_free(buf->extended_data);
+ av_freep(&buf->extended_data);
}
av_freep(&avci->buffer);
}
}
}
-#if FF_API_OLD_FF_PICT_TYPES
-char av_get_pict_type_char(int pict_type){
- return av_get_picture_type_char(pict_type);
-}
-#endif
-
int av_get_bits_per_sample(enum CodecID codec_id){
switch(codec_id){
case CODEC_ID_ADPCM_SBPRO_2:
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:
}
}
-#if FF_API_OLD_SAMPLE_FMT
-int av_get_bits_per_sample_format(enum AVSampleFormat sample_fmt) {
- return av_get_bytes_per_sample(sample_fmt) << 3;
-}
-#endif
-
#if !HAVE_THREADS
int ff_thread_init(AVCodecContext *s){
return -1;
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 not implemented. Update your FFmpeg "
"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);
if (msg)
av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
- "of this file to ftp://upload.libav.org/incoming/ "
- "and contact the libav-devel mailing list.\n");
+ "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
+ "and contact the ffmpeg-devel mailing list.\n");
va_end(argument_list);
}
int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
{
f->owner = avctx;
+
+ ff_init_buffer_info(avctx, f);
+
return avctx->get_buffer(avctx, f);
}
#endif
-#if FF_API_THREAD_INIT
-int avcodec_thread_init(AVCodecContext *s, int thread_count)
-{
- s->thread_count = thread_count;
- return ff_thread_init(s);
-}
-#endif
-
enum AVMediaType avcodec_get_type(enum CodecID codec_id)
{
+ AVCodec *c= avcodec_find_decoder(codec_id);
+ if(!c)
+ c= avcodec_find_encoder(codec_id);
+ if(c)
+ return c->type;
+
if (codec_id <= CODEC_ID_NONE)
return AVMEDIA_TYPE_UNKNOWN;
else if (codec_id < CODEC_ID_FIRST_AUDIO)
projects / ffmpeg / blobdiff