* utils.
*/
+#include "config.h"
+#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
+#include "libavutil/frame.h"
+#include "libavutil/internal.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 "dsputil.h"
#include "libavutil/opt.h"
#include "thread.h"
-#include "audioconvert.h"
#include "internal.h"
#include "bytestream.h"
+#include "version.h"
#include <stdlib.h>
#include <stdarg.h>
#include <limits.h>
#include <float.h>
static int volatile entangled_thread_counter = 0;
-static int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
+static int (*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 FF_API_FAST_MALLOC && CONFIG_SHARED && HAVE_SYMVER
+FF_SYMVER(void*, av_fast_realloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
{
- if (min_size < *size)
- return ptr;
-
- min_size = FFMAX(17 * min_size / 16 + 32, min_size);
-
- 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;
-
- return ptr;
+ return av_fast_realloc(ptr, size, min_size);
}
-void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
+FF_SYMVER(void, av_fast_malloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
{
- void **p = ptr;
- if (min_size < *size)
- return;
- 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;
+ av_fast_malloc(ptr, size, min_size);
}
+#endif
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
{
return first_avcodec;
}
-static void avcodec_init(void)
+static av_cold void avcodec_init(void)
{
static int initialized = 0;
return;
initialized = 1;
- ff_dsputil_static_init();
+ if (CONFIG_DSPUTIL)
+ ff_dsputil_static_init();
}
int av_codec_is_encoder(const AVCodec *codec)
return codec && codec->decode;
}
-void avcodec_register(AVCodec *codec)
+av_cold void avcodec_register(AVCodec *codec)
{
AVCodec **p;
avcodec_init();
codec->init_static_data(codec);
}
+#if FF_API_EMU_EDGE
unsigned avcodec_get_edge_width(void)
{
return EDGE_WIDTH;
}
+#endif
+#if FF_API_SET_DIMENSIONS
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
{
- s->coded_width = width;
- s->coded_height = height;
- s->width = width;
- s->height = height;
+ ff_set_dimensions(s, width, height);
}
+#endif
-#define INTERNAL_BUFFER_SIZE (32 + 1)
+int ff_set_dimensions(AVCodecContext *s, int width, int height)
+{
+ int ret = av_image_check_size(width, height, 0, s);
+
+ if (ret < 0)
+ width = height = 0;
+ s->width = s->coded_width = width;
+ s->height = s->coded_height = height;
+
+ return ret;
+}
+
+int ff_side_data_update_matrix_encoding(AVFrame *frame,
+ enum AVMatrixEncoding matrix_encoding)
+{
+ AVFrameSideData *side_data;
+ enum AVMatrixEncoding *data;
+
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
+ if (!side_data)
+ side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
+ sizeof(enum AVMatrixEncoding));
+
+ if (!side_data)
+ return AVERROR(ENOMEM);
+
+ data = (enum AVMatrixEncoding*)side_data->data;
+ *data = matrix_encoding;
+
+ return 0;
+}
+
+#if HAVE_NEON || ARCH_PPC || HAVE_MMX
+# define STRIDE_ALIGN 16
+#else
+# define STRIDE_ALIGN 8
+#endif
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
int linesize_align[AV_NUM_DATA_POINTERS])
case AV_PIX_FMT_YUV422P9BE:
case AV_PIX_FMT_YUV422P10LE:
case AV_PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUVA422P10LE:
+ case AV_PIX_FMT_YUVA422P10BE:
case AV_PIX_FMT_YUV444P9LE:
case AV_PIX_FMT_YUV444P9BE:
case AV_PIX_FMT_YUV444P10LE:
case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_YUVA444P10LE:
+ case AV_PIX_FMT_YUVA444P10BE:
case AV_PIX_FMT_GBRP9LE:
case AV_PIX_FMT_GBRP9BE:
case AV_PIX_FMT_GBRP10LE:
return ret;
}
-static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
{
- AVCodecInternal *avci = avctx->internal;
- InternalBuffer *buf;
- int buf_size, ret;
-
- buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
- frame->nb_samples, avctx->sample_fmt,
- 0);
- if (buf_size < 0)
- return AVERROR(EINVAL);
-
- /* allocate InternalBuffer if needed */
- if (!avci->buffer) {
- avci->buffer = av_mallocz(sizeof(InternalBuffer));
- if (!avci->buffer)
- return AVERROR(ENOMEM);
- }
- buf = avci->buffer;
-
- /* if there is a previously-used internal buffer, check its size and
- * channel count to see if we can reuse it */
- if (buf->extended_data) {
- /* if current buffer is too small, free it */
- if (buf->extended_data[0] && buf_size > buf->audio_data_size) {
- av_free(buf->extended_data[0]);
- if (buf->extended_data != buf->data)
- av_free(buf->extended_data);
- buf->extended_data = NULL;
- buf->data[0] = NULL;
- }
- /* if number of channels has changed, reset and/or free extended data
- * pointers but leave data buffer in buf->data[0] for reuse */
- if (buf->nb_channels != avctx->channels) {
- if (buf->extended_data != buf->data)
- av_free(buf->extended_data);
- buf->extended_data = NULL;
- }
- }
+ FramePool *pool = avctx->internal->pool;
+ int i, ret;
- /* if there is no previous buffer or the previous buffer cannot be used
- * as-is, allocate a new buffer and/or rearrange the channel pointers */
- if (!buf->extended_data) {
- if (!buf->data[0]) {
- if (!(buf->data[0] = av_mallocz(buf_size)))
- return AVERROR(ENOMEM);
- buf->audio_data_size = buf_size;
- }
- if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
- avctx->sample_fmt, buf->data[0],
- buf->audio_data_size, 0)))
- return ret;
-
- if (frame->extended_data == frame->data)
- buf->extended_data = buf->data;
- else
- buf->extended_data = frame->extended_data;
- memcpy(buf->data, frame->data, sizeof(frame->data));
- buf->linesize[0] = frame->linesize[0];
- buf->nb_channels = avctx->channels;
- } else {
- /* copy InternalBuffer info to the AVFrame */
- frame->extended_data = buf->extended_data;
- frame->linesize[0] = buf->linesize[0];
- memcpy(frame->data, buf->data, sizeof(frame->data));
- }
-
- frame->type = FF_BUFFER_TYPE_INTERNAL;
-
- if (avctx->pkt)
- frame->pkt_pts = avctx->pkt->pts;
- else
- frame->pkt_pts = AV_NOPTS_VALUE;
- frame->reordered_opaque = avctx->reordered_opaque;
-
- frame->sample_rate = avctx->sample_rate;
- frame->format = avctx->sample_fmt;
- frame->channel_layout = avctx->channel_layout;
-
- if (avctx->debug & FF_DEBUG_BUFFERS)
- av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p, "
- "internal audio buffer used\n", frame);
-
- return 0;
-}
-
-static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
-{
- int i;
- int w = s->width;
- int h = s->height;
- InternalBuffer *buf;
- AVCodecInternal *avci = s->internal;
-
- if (pic->data[0] != NULL) {
- av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
- return -1;
- }
- if (avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
- av_log(s, AV_LOG_ERROR, "buffer_count overflow (missing release_buffer?)\n");
- return -1;
- }
-
- if (av_image_check_size(w, h, 0, s))
- return -1;
-
- if (!avci->buffer) {
- 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)) {
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
- av_freep(&buf->base[i]);
- buf->data[i] = NULL;
- }
- }
-
- if (!buf->base[0]) {
- int h_chroma_shift, v_chroma_shift;
- int size[4] = { 0 };
- int tmpsize;
- int unaligned;
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: {
AVPicture picture;
- int stride_align[AV_NUM_DATA_POINTERS];
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
- const int pixel_size = desc->comp[0].step_minus1 + 1;
+ int size[4] = { 0 };
+ int w = frame->width;
+ int h = frame->height;
+ int tmpsize, unaligned;
- avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+ if (pool->format == frame->format &&
+ pool->width == frame->width && pool->height == frame->height)
+ return 0;
- avcodec_align_dimensions2(s, &w, &h, stride_align);
+ avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
- if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
w += EDGE_WIDTH * 2;
h += EDGE_WIDTH * 2;
}
do {
// NOTE: do not align linesizes individually, this breaks e.g. assumptions
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
- av_image_fill_linesizes(picture.linesize, s->pix_fmt, w);
+ av_image_fill_linesizes(picture.linesize, avctx->pix_fmt, w);
// increase alignment of w for next try (rhs gives the lowest bit set in w)
w += w & ~(w - 1);
unaligned = 0;
for (i = 0; i < 4; i++)
- unaligned |= picture.linesize[i] % stride_align[i];
+ unaligned |= picture.linesize[i] % pool->stride_align[i];
} while (unaligned);
- tmpsize = av_image_fill_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
+ tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h,
+ NULL, picture.linesize);
if (tmpsize < 0)
return -1;
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; i++) {
+ av_buffer_pool_uninit(&pool->pools[i]);
+ pool->linesize[i] = picture.linesize[i];
+ if (size[i]) {
+ pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL);
+ if (!pool->pools[i]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
+ }
+ pool->format = frame->format;
+ pool->width = frame->width;
+ pool->height = frame->height;
- 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;
+ break;
+ }
+ case AVMEDIA_TYPE_AUDIO: {
+ int ch = av_get_channel_layout_nb_channels(frame->channel_layout);
+ int planar = av_sample_fmt_is_planar(frame->format);
+ int planes = planar ? ch : 1;
+
+ if (pool->format == frame->format && pool->planes == planes &&
+ pool->channels == ch && frame->nb_samples == pool->samples)
+ return 0;
+
+ av_buffer_pool_uninit(&pool->pools[0]);
+ ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
+ frame->nb_samples, frame->format, 0);
+ if (ret < 0)
+ goto fail;
+
+ pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
+ if (!pool->pools[0]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
- buf->linesize[i] = picture.linesize[i];
+ pool->format = frame->format;
+ pool->planes = planes;
+ pool->channels = ch;
+ pool->samples = frame->nb_samples;
+ break;
+ }
+ default: av_assert0(0);
+ }
+ return 0;
+fail:
+ for (i = 0; i < 4; i++)
+ av_buffer_pool_uninit(&pool->pools[i]);
+ pool->format = -1;
+ pool->planes = pool->channels = pool->samples = 0;
+ pool->width = pool->height = 0;
+ return ret;
+}
+
+static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ FramePool *pool = avctx->internal->pool;
+ int planes = pool->planes;
+ int i;
- buf->base[i] = av_malloc(size[i] + 16); //FIXME 16
- if (buf->base[i] == NULL)
- return -1;
- memset(buf->base[i], 128, size[i]);
+ frame->linesize[0] = pool->linesize[0];
- // no edge if EDGE EMU or not planar YUV
- 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]);
- }
- for (; i < AV_NUM_DATA_POINTERS; i++) {
- buf->base[i] = buf->data[i] = NULL;
- buf->linesize[i] = 0;
+ if (planes > AV_NUM_DATA_POINTERS) {
+ frame->extended_data = av_mallocz(planes * sizeof(*frame->extended_data));
+ frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
+ frame->extended_buf = av_mallocz(frame->nb_extended_buf *
+ sizeof(*frame->extended_buf));
+ if (!frame->extended_data || !frame->extended_buf) {
+ av_freep(&frame->extended_data);
+ av_freep(&frame->extended_buf);
+ return AVERROR(ENOMEM);
}
- 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;
+ } else
+ frame->extended_data = frame->data;
+
+ for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
+ frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
+ if (!frame->buf[i])
+ goto fail;
+ frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
}
- pic->type = FF_BUFFER_TYPE_INTERNAL;
+ for (i = 0; i < frame->nb_extended_buf; i++) {
+ frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
+ if (!frame->extended_buf[i])
+ goto fail;
+ frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
+ }
+
+ if (avctx->debug & FF_DEBUG_BUFFERS)
+ av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
+
+ return 0;
+fail:
+ av_frame_unref(frame);
+ return AVERROR(ENOMEM);
+}
+
+static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ FramePool *pool = s->internal->pool;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
+ int pixel_size = desc->comp[0].step_minus1 + 1;
+ int h_chroma_shift, v_chroma_shift;
+ int i;
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
- pic->base[i] = buf->base[i];
- pic->data[i] = buf->data[i];
- pic->linesize[i] = buf->linesize[i];
+ if (pic->data[0] != NULL) {
+ av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
+ return -1;
}
+
+ memset(pic->data, 0, sizeof(pic->data));
pic->extended_data = pic->data;
- avci->buffer_count++;
- pic->width = buf->width;
- pic->height = buf->height;
- pic->format = buf->pix_fmt;
- pic->sample_aspect_ratio = s->sample_aspect_ratio;
-
- if (s->pkt)
- pic->pkt_pts = s->pkt->pts;
- else
- pic->pkt_pts = AV_NOPTS_VALUE;
- pic->reordered_opaque = s->reordered_opaque;
+
+ av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+
+ for (i = 0; i < 4 && pool->pools[i]; i++) {
+ const int h_shift = i == 0 ? 0 : h_chroma_shift;
+ const int v_shift = i == 0 ? 0 : v_chroma_shift;
+
+ pic->linesize[i] = pool->linesize[i];
+
+ pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
+ if (!pic->buf[i])
+ goto fail;
+
+ // no edge if EDGE EMU or not planar YUV
+ if ((s->flags & CODEC_FLAG_EMU_EDGE) || !pool->pools[2])
+ pic->data[i] = pic->buf[i]->data;
+ else {
+ pic->data[i] = pic->buf[i]->data +
+ FFALIGN((pic->linesize[i] * EDGE_WIDTH >> v_shift) +
+ (pixel_size * EDGE_WIDTH >> h_shift), pool->stride_align[i]);
+ }
+ }
+ for (; i < AV_NUM_DATA_POINTERS; i++) {
+ pic->data[i] = NULL;
+ pic->linesize[i] = 0;
+ }
+ if (pic->data[1] && !pic->data[2])
+ avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
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);
+ av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
return 0;
+fail:
+ av_frame_unref(pic);
+ return AVERROR(ENOMEM);
}
-int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
{
+ int ret;
+
+ if ((ret = update_frame_pool(avctx, frame)) < 0)
+ return ret;
+
+#if FF_API_GET_BUFFER
+FF_DISABLE_DEPRECATION_WARNINGS
+ frame->type = FF_BUFFER_TYPE_INTERNAL;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
return video_get_buffer(avctx, frame);
}
}
-void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
+#if FF_API_GET_BUFFER
+FF_DISABLE_DEPRECATION_WARNINGS
+int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
- int i;
- InternalBuffer *buf, *last;
- AVCodecInternal *avci = s->internal;
+ return avcodec_default_get_buffer2(avctx, frame, 0);
+}
+
+typedef struct CompatReleaseBufPriv {
+ AVCodecContext avctx;
+ AVFrame frame;
+} CompatReleaseBufPriv;
+
+static void compat_free_buffer(void *opaque, uint8_t *data)
+{
+ CompatReleaseBufPriv *priv = opaque;
+ if (priv->avctx.release_buffer)
+ priv->avctx.release_buffer(&priv->avctx, &priv->frame);
+ av_freep(&priv);
+}
- assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
+static void compat_release_buffer(void *opaque, uint8_t *data)
+{
+ AVBufferRef *buf = opaque;
+ av_buffer_unref(&buf);
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
- assert(pic->type == FF_BUFFER_TYPE_INTERNAL);
- assert(avci->buffer_count);
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
+{
+ int override_dimensions = 1;
+ int ret;
- if (avci->buffer) {
- buf = NULL; /* avoids warning */
- for (i = 0; i < avci->buffer_count; i++) { //just 3-5 checks so is not worth to optimize
- buf = &avci->buffer[i];
- if (buf->data[0] == pic->data[0])
- break;
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if (frame->width <= 0 || frame->height <= 0) {
+ frame->width = FFMAX(avctx->width, avctx->coded_width);
+ frame->height = FFMAX(avctx->height, avctx->coded_height);
+ override_dimensions = 0;
}
- assert(i < avci->buffer_count);
- avci->buffer_count--;
- last = &avci->buffer[avci->buffer_count];
+ if (frame->format < 0)
+ frame->format = avctx->pix_fmt;
+ if (!frame->sample_aspect_ratio.num)
+ frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
+
+ if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
+ return ret;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ if (!frame->sample_rate)
+ frame->sample_rate = avctx->sample_rate;
+ if (frame->format < 0)
+ frame->format = avctx->sample_fmt;
+ if (!frame->channel_layout) {
+ if (avctx->channel_layout) {
+ if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
+ avctx->channels) {
+ av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
+ "configuration.\n");
+ return AVERROR(EINVAL);
+ }
+
+ frame->channel_layout = avctx->channel_layout;
+ } else {
+ if (avctx->channels > FF_SANE_NB_CHANNELS) {
+ av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
+ avctx->channels);
+ return AVERROR(ENOSYS);
+ }
- if (buf != last)
- FFSWAP(InternalBuffer, *buf, *last);
+ frame->channel_layout = av_get_default_channel_layout(avctx->channels);
+ if (!frame->channel_layout)
+ frame->channel_layout = (1ULL << avctx->channels) - 1;
+ }
+ }
+ break;
+ default: return AVERROR(EINVAL);
}
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
- pic->data[i] = NULL;
-// pic->base[i]=NULL;
+ frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
+ frame->reordered_opaque = avctx->reordered_opaque;
- if (s->debug & FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
- "buffers used\n", pic, avci->buffer_count);
+#if FF_API_GET_BUFFER
+FF_DISABLE_DEPRECATION_WARNINGS
+ /*
+ * Wrap an old get_buffer()-allocated buffer in an bunch of AVBuffers.
+ * We wrap each plane in its own AVBuffer. Each of those has a reference to
+ * a dummy AVBuffer as its private data, unreffing it on free.
+ * When all the planes are freed, the dummy buffer's free callback calls
+ * release_buffer().
+ */
+ if (avctx->get_buffer) {
+ CompatReleaseBufPriv *priv = NULL;
+ AVBufferRef *dummy_buf = NULL;
+ int planes, i, ret;
+
+ if (flags & AV_GET_BUFFER_FLAG_REF)
+ frame->reference = 1;
+
+ ret = avctx->get_buffer(avctx, frame);
+ if (ret < 0)
+ return ret;
+
+ /* return if the buffers are already set up
+ * this would happen e.g. when a custom get_buffer() calls
+ * avcodec_default_get_buffer
+ */
+ if (frame->buf[0])
+ return 0;
+
+ priv = av_mallocz(sizeof(*priv));
+ if (!priv) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ priv->avctx = *avctx;
+ priv->frame = *frame;
+
+ dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
+ if (!dummy_buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+#define WRAP_PLANE(ref_out, data, data_size) \
+do { \
+ AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
+ if (!dummy_ref) { \
+ ret = AVERROR(ENOMEM); \
+ goto fail; \
+ } \
+ ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
+ dummy_ref, 0); \
+ if (!ref_out) { \
+ av_frame_unref(frame); \
+ ret = AVERROR(ENOMEM); \
+ goto fail; \
+ } \
+} while (0)
+
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
+
+ planes = av_pix_fmt_count_planes(frame->format);
+ /* workaround for AVHWAccel plane count of 0, buf[0] is used as
+ check for allocated buffers: make libavcodec happy */
+ if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
+ planes = 1;
+ if (!desc || planes <= 0) {
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ for (i = 0; i < planes; i++) {
+ int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
+ int plane_size = (frame->height >> v_shift) * frame->linesize[i];
+
+ WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
+ }
+ } else {
+ int planar = av_sample_fmt_is_planar(frame->format);
+ planes = planar ? avctx->channels : 1;
+
+ if (planes > FF_ARRAY_ELEMS(frame->buf)) {
+ frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
+ frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) *
+ frame->nb_extended_buf);
+ if (!frame->extended_buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
+
+ for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
+ WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
+
+ for (i = 0; i < frame->nb_extended_buf; i++)
+ WRAP_PLANE(frame->extended_buf[i],
+ frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
+ frame->linesize[0]);
+ }
+
+ av_buffer_unref(&dummy_buf);
+
+ frame->width = avctx->width;
+ frame->height = avctx->height;
+
+ return 0;
+
+fail:
+ avctx->release_buffer(avctx, frame);
+ av_freep(&priv);
+ av_buffer_unref(&dummy_buf);
+ return ret;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ ret = avctx->get_buffer2(avctx, frame, flags);
+
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
+ frame->width = avctx->width;
+ frame->height = avctx->height;
+ }
+
+ return ret;
}
-int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
+int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
{
- AVFrame temp_pic;
- int i;
+ AVFrame *tmp;
+ int ret;
+
+ av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
- assert(s->codec_type == AVMEDIA_TYPE_VIDEO);
+ if (!frame->data[0])
+ return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
- /* If no picture return a new buffer */
- 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);
+ if (av_frame_is_writable(frame)) {
+ frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
+ frame->reordered_opaque = avctx->reordered_opaque;
+ return 0;
}
- assert(s->pix_fmt == pic->format);
+ tmp = av_frame_alloc();
+ if (!tmp)
+ return AVERROR(ENOMEM);
- /* 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;
+ av_frame_move_ref(tmp, frame);
+
+ ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+ if (ret < 0) {
+ av_frame_free(&tmp);
+ return ret;
}
- /*
- * Not internal type and reget_buffer not overridden, emulate cr buffer
- */
- temp_pic = *pic;
- 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))
- 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);
- s->release_buffer(s, &temp_pic); // Release old frame
+ av_frame_copy(frame, tmp);
+ av_frame_free(&tmp);
+
return 0;
}
+#if FF_API_GET_BUFFER
+void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ av_frame_unref(pic);
+}
+
+int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ av_assert0(0);
+ return AVERROR_BUG;
+}
+#endif
+
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
return 0;
}
+static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
+{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+ return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
+}
+
enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
{
- while (*fmt != AV_PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
+ while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
++fmt;
return fmt[0];
}
+#if FF_API_AVFRAME_LAVC
void avcodec_get_frame_defaults(AVFrame *frame)
{
if (frame->extended_data != frame->data)
if (frame == NULL)
return NULL;
+FF_DISABLE_DEPRECATION_WARNINGS
avcodec_get_frame_defaults(frame);
+FF_ENABLE_DEPRECATION_WARNINGS
return frame;
}
void avcodec_free_frame(AVFrame **frame)
{
- AVFrame *f;
-
- if (!frame || !*frame)
- return;
-
- f = *frame;
-
- if (f->extended_data != f->data)
- av_freep(&f->extended_data);
-
- av_freep(frame);
+ av_frame_free(frame);
}
+#endif
int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
{
av_dict_copy(&tmp, *options, 0);
/* If there is a user-supplied mutex locking routine, call it. */
- if (ff_lockmgr_cb) {
- if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ if (lockmgr_cb) {
+ if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
return -1;
}
goto end;
}
+ avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
+ if (!avctx->internal->pool) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->to_free = av_frame_alloc();
+ if (!avctx->internal->to_free) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
if (codec->priv_data_size > 0) {
if (!avctx->priv_data) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
goto free_and_end;
- if (avctx->coded_width && avctx->coded_height)
- avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
+ if (avctx->coded_width && avctx->coded_height && !avctx->width && !avctx->height)
+ ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
else if (avctx->width && avctx->height)
- avcodec_set_dimensions(avctx, avctx->width, avctx->height);
+ ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
+ if (ret < 0)
+ goto free_and_end;
if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
&& ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
|| av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
av_log(avctx, AV_LOG_WARNING, "ignoring invalid width/height values\n");
- avcodec_set_dimensions(avctx, 0, 0);
+ ff_set_dimensions(avctx, 0, 0);
}
/* if the decoder init function was already called previously,
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->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;
avctx->time_base.den = avctx->sample_rate;
}
- if (HAVE_THREADS && !avctx->thread_opaque) {
+ if (HAVE_THREADS) {
ret = ff_thread_init(avctx);
if (ret < 0) {
goto free_and_end;
} 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)) {
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--;
/* Release any user-supplied mutex. */
- if (ff_lockmgr_cb) {
- (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ if (lockmgr_cb) {
+ (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
}
if (options) {
av_dict_free(options);
free_and_end:
av_dict_free(&tmp);
av_freep(&avctx->priv_data);
+ if (avctx->internal) {
+ av_frame_free(&avctx->internal->to_free);
+ av_freep(&avctx->internal->pool);
+ }
av_freep(&avctx->internal);
avctx->codec = NULL;
goto end;
return AVERROR(EINVAL);
if (avpkt->data) {
+ AVBufferRef *buf = avpkt->buf;
+#if FF_API_DESTRUCT_PACKET
+FF_DISABLE_DEPRECATION_WARNINGS
void *destruct = avpkt->destruct;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
if (avpkt->size < size)
return AVERROR(EINVAL);
av_init_packet(avpkt);
+#if FF_API_DESTRUCT_PACKET
+FF_DISABLE_DEPRECATION_WARNINGS
avpkt->destruct = destruct;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ avpkt->buf = buf;
avpkt->size = size;
return 0;
} else {
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()))
+ if (!(frame = av_frame_alloc()))
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)
+ frame->format = src->format;
+ frame->channel_layout = src->channel_layout;
+ frame->nb_samples = s->frame_size;
+ ret = av_frame_get_buffer(frame, 32);
+ if (ret < 0)
goto fail;
- if (!(buf = av_malloc(ret))) {
- ret = AVERROR(ENOMEM);
+ ret = av_frame_copy_props(frame, src);
+ if (ret < 0)
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;
return 0;
fail:
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- av_freep(&buf);
- av_freep(&frame);
+ av_frame_free(&frame);
return ret;
}
}
if (!user_packet && avpkt->size) {
- uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
- if (new_data)
- avpkt->data = new_data;
+ ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
+ if (ret >= 0)
+ avpkt->data = avpkt->buf->data;
}
avctx->frame_number++;
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);
- }
+ av_frame_free(&padded_frame);
return ret;
}
-#if FF_API_OLD_DECODE_AUDIO
-int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
- uint8_t *buf, int buf_size,
- const short *samples)
-{
- AVPacket pkt;
- AVFrame frame0 = { 0 };
- 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,
- (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 = ff_samples_to_time_base(avctx,
- avctx->internal->sample_count);
- avctx->internal->sample_count += frame->nb_samples;
- } else {
- frame = NULL;
- }
-
- got_packet = 0;
- ret = avcodec_encode_audio2(avctx, &pkt, frame, &got_packet);
- if (!ret && got_packet && avctx->coded_frame) {
- avctx->coded_frame->pts = pkt.pts;
- avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
- }
- /* free any side data since we cannot return it */
- if (pkt.side_data_elems > 0) {
- int i;
- for (i = 0; i < pkt.side_data_elems; i++)
- av_free(pkt.side_data[i].data);
- av_freep(&pkt.side_data);
- pkt.side_data_elems = 0;
- }
-
- if (frame && frame->extended_data != frame->data)
- av_free(frame->extended_data);
-
- return ret ? ret : pkt.size;
-}
-
-#endif
-
-#if FF_API_OLD_ENCODE_VIDEO
-int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVFrame *pict)
-{
- AVPacket pkt;
- int ret, got_packet = 0;
-
- if (buf_size < FF_MIN_BUFFER_SIZE) {
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
- return -1;
- }
-
- av_init_packet(&pkt);
- pkt.data = buf;
- pkt.size = buf_size;
-
- ret = avcodec_encode_video2(avctx, &pkt, pict, &got_packet);
- if (!ret && got_packet && avctx->coded_frame) {
- avctx->coded_frame->pts = pkt.pts;
- avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
- }
-
- /* free any side data since we cannot return it */
- if (pkt.side_data_elems > 0) {
- int i;
- for (i = 0; i < pkt.side_data_elems; i++)
- av_free(pkt.side_data[i].data);
- av_freep(&pkt.side_data);
- pkt.side_data_elems = 0;
- }
-
- return ret ? ret : pkt.size;
-}
-
-#endif
-
int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
AVPacket *avpkt,
const AVFrame *frame,
avpkt->pts = avpkt->dts = frame->pts;
if (!user_packet && avpkt->size) {
- uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);
- if (new_data)
- avpkt->data = new_data;
+ ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
+ if (ret >= 0)
+ avpkt->data = avpkt->buf->data;
}
avctx->frame_number++;
return ret;
}
-static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
+static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
{
- int size = 0;
+ int size = 0, ret;
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;
+ if (!data)
+ return 0;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE)) {
+ av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
+ "changes, but PARAM_CHANGE side data was sent to it.\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (size < 4)
+ goto fail;
+
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) {
+ if (size < 4)
+ goto fail;
avctx->channels = bytestream_get_le32(&data);
size -= 4;
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
if (size < 8)
- return;
+ goto fail;
avctx->channel_layout = bytestream_get_le64(&data);
size -= 8;
}
- if (size < 4)
- return;
if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
+ if (size < 4)
+ goto fail;
avctx->sample_rate = bytestream_get_le32(&data);
size -= 4;
}
if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
if (size < 8)
- return;
+ goto fail;
avctx->width = bytestream_get_le32(&data);
avctx->height = bytestream_get_le32(&data);
- avcodec_set_dimensions(avctx, avctx->width, avctx->height);
size -= 8;
+ ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
+ if (ret < 0)
+ return ret;
}
+
+ return 0;
+fail:
+ av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
+ return AVERROR_INVALIDDATA;
+}
+
+static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
+{
+ int ret;
+
+ /* move the original frame to our backup */
+ av_frame_unref(avci->to_free);
+ av_frame_move_ref(avci->to_free, frame);
+
+ /* now copy everything except the AVBufferRefs back
+ * note that we make a COPY of the side data, so calling av_frame_free() on
+ * the caller's frame will work properly */
+ ret = av_frame_copy_props(frame, avci->to_free);
+ if (ret < 0)
+ return ret;
+
+ memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
+ memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
+ if (avci->to_free->extended_data != avci->to_free->data) {
+ int planes = av_get_channel_layout_nb_channels(avci->to_free->channel_layout);
+ int size = planes * sizeof(*frame->extended_data);
+
+ if (!size) {
+ av_frame_unref(frame);
+ return AVERROR_BUG;
+ }
+
+ frame->extended_data = av_malloc(size);
+ if (!frame->extended_data) {
+ av_frame_unref(frame);
+ return AVERROR(ENOMEM);
+ }
+ memcpy(frame->extended_data, avci->to_free->extended_data,
+ size);
+ } else
+ frame->extended_data = frame->data;
+
+ frame->format = avci->to_free->format;
+ frame->width = avci->to_free->width;
+ frame->height = avci->to_free->height;
+ frame->channel_layout = avci->to_free->channel_layout;
+ frame->nb_samples = avci->to_free->nb_samples;
+
+ return 0;
}
int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
AVPacket *avpkt)
{
+ AVCodecInternal *avci = avctx->internal;
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))
return -1;
- avctx->pkt = avpkt;
- apply_param_change(avctx, avpkt);
+ avctx->internal->pkt = avpkt;
+ ret = apply_param_change(avctx, avpkt);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ return ret;
+ }
+
+ av_frame_unref(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)
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;
+ 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)
+ if (*got_picture_ptr) {
+ if (!avctx->refcounted_frames) {
+ int err = unrefcount_frame(avci, picture);
+ if (err < 0)
+ return err;
+ }
+
avctx->frame_number++;
+ } else
+ av_frame_unref(picture);
} 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)
-{
- AVFrame frame;
- int ret, got_frame = 0;
-
- if (avctx->get_buffer != avcodec_default_get_buffer) {
- av_log(avctx, AV_LOG_ERROR, "Custom get_buffer() for use with"
- "avcodec_decode_audio3() detected. Overriding with avcodec_default_get_buffer\n");
- av_log(avctx, AV_LOG_ERROR, "Please port your application to "
- "avcodec_decode_audio4()\n");
- avctx->get_buffer = avcodec_default_get_buffer;
- }
-
- ret = avcodec_decode_audio4(avctx, &frame, &got_frame, avpkt);
-
- if (ret >= 0 && got_frame) {
- int ch, plane_size;
- int planar = av_sample_fmt_is_planar(avctx->sample_fmt);
- int data_size = av_samples_get_buffer_size(&plane_size, avctx->channels,
- frame.nb_samples,
- avctx->sample_fmt, 1);
- if (*frame_size_ptr < data_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer size is too small for "
- "the current frame (%d < %d)\n", *frame_size_ptr, data_size);
- return AVERROR(EINVAL);
- }
-
- memcpy(samples, frame.extended_data[0], plane_size);
-
- if (planar && avctx->channels > 1) {
- uint8_t *out = ((uint8_t *)samples) + plane_size;
- for (ch = 1; ch < avctx->channels; ch++) {
- memcpy(out, frame.extended_data[ch], plane_size);
- out += plane_size;
- }
- }
- *frame_size_ptr = data_size;
- } else {
- *frame_size_ptr = 0;
- }
- return ret;
-}
-
-#endif
-
int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
AVFrame *frame,
int *got_frame_ptr,
AVPacket *avpkt)
{
- int planar, channels;
+ AVCodecInternal *avci = avctx->internal;
int ret = 0;
*got_frame_ptr = 0;
- avctx->pkt = avpkt;
+ avctx->internal->pkt = avpkt;
if (!avpkt->data && avpkt->size) {
av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
return AVERROR(EINVAL);
}
- apply_param_change(avctx, avpkt);
+ ret = apply_param_change(avctx, avpkt);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ return ret;
+ }
+
+ av_frame_unref(frame);
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt);
frame->pkt_dts = avpkt->dts;
if (frame->format == AV_SAMPLE_FMT_NONE)
frame->format = avctx->sample_fmt;
- }
+
+ if (!avctx->refcounted_frames) {
+ int err = unrefcount_frame(avci, frame);
+ if (err < 0)
+ return err;
+ }
+ } else
+ av_frame_unref(frame);
}
- /* 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 ret;
- avctx->pkt = avpkt;
+ avctx->internal->pkt = avpkt;
*got_sub_ptr = 0;
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
if (*got_sub_ptr)
av_cold int avcodec_close(AVCodecContext *avctx)
{
/* If there is a user-supplied mutex locking routine, call it. */
- if (ff_lockmgr_cb) {
- if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ if (lockmgr_cb) {
+ if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
return -1;
}
}
if (avcodec_is_open(avctx)) {
- if (HAVE_THREADS && avctx->thread_opaque)
+ FramePool *pool = avctx->internal->pool;
+ int i;
+ if (HAVE_THREADS && avctx->internal->thread_ctx)
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
- avcodec_default_free_buffers(avctx);
avctx->coded_frame = NULL;
+ av_frame_free(&avctx->internal->to_free);
+ for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
+ av_buffer_pool_uninit(&pool->pools[i]);
+ av_freep(&avctx->internal->pool);
av_freep(&avctx->internal);
}
entangled_thread_counter--;
/* Release any user-supplied mutex. */
- if (ff_lockmgr_cb) {
- (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ if (lockmgr_cb) {
+ (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
}
return 0;
}
-AVCodec *avcodec_find_encoder(enum AVCodecID id)
+static AVCodec *find_encdec(enum AVCodecID id, int encoder)
{
AVCodec *p, *experimental = NULL;
p = first_avcodec;
while (p) {
- if (av_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;
AVCodec *avcodec_find_decoder(enum AVCodecID id)
{
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (av_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)
{
int i, len, ret = 0;
+#define TAG_PRINT(x) \
+ (((x) >= '0' && (x) <= '9') || \
+ ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
+ ((x) == '.' || (x) == ' '))
+
for (i = 0; i < 4; i++) {
len = snprintf(buf, buf_size,
- isprint(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
+ TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
buf += len;
buf_size = buf_size > len ? buf_size - len : 0;
ret += len;
ff_thread_flush(avctx);
else if (avctx->codec->flush)
avctx->codec->flush(avctx);
-}
-static void video_free_buffers(AVCodecContext *s)
-{
- AVCodecInternal *avci = s->internal;
- int i, j;
-
- if (!avci->buffer)
- return;
-
- if (avci->buffer_count)
- av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n",
- avci->buffer_count);
- for (i = 0; i < INTERNAL_BUFFER_SIZE; i++) {
- InternalBuffer *buf = &avci->buffer[i];
- for (j = 0; j < 4; j++) {
- av_freep(&buf->base[j]);
- buf->data[j] = NULL;
- }
- }
- av_freep(&avci->buffer);
-
- 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);
-}
-
-void avcodec_default_free_buffers(AVCodecContext *avctx)
-{
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- video_free_buffers(avctx);
- break;
- case AVMEDIA_TYPE_AUDIO:
- audio_free_buffers(avctx);
- break;
- default:
- break;
- }
+ if (!avctx->refcounted_frames)
+ av_frame_unref(avctx->internal->to_free);
}
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
case AV_CODEC_ID_PCM_S24DAUD:
case AV_CODEC_ID_PCM_S24BE:
case AV_CODEC_ID_PCM_S24LE:
+ case AV_CODEC_ID_PCM_S24LE_PLANAR:
case AV_CODEC_ID_PCM_U24BE:
case AV_CODEC_ID_PCM_U24LE:
return 24;
case AV_CODEC_ID_PCM_S32BE:
case AV_CODEC_ID_PCM_S32LE:
+ case AV_CODEC_ID_PCM_S32LE_PLANAR:
case AV_CODEC_ID_PCM_U32BE:
case AV_CODEC_ID_PCM_U32LE:
case AV_CODEC_ID_PCM_F32BE:
return i;
}
+#if FF_API_MISSING_SAMPLE
+FF_DISABLE_DEPRECATION_WARNINGS
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
{
av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your Libav "
va_end(argument_list);
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif /* FF_API_MISSING_SAMPLE */
static AVHWAccel *first_hwaccel = NULL;
return hwaccel ? hwaccel->next : first_hwaccel;
}
-AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt)
+AVHWAccel *ff_find_hwaccel(AVCodecContext *avctx)
{
+ enum AVCodecID codec_id = avctx->codec->id;
+ enum AVPixelFormat pix_fmt = avctx->pix_fmt;
+
AVHWAccel *hwaccel = NULL;
while ((hwaccel = av_hwaccel_next(hwaccel)))
int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
{
- if (ff_lockmgr_cb) {
- if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
+ if (lockmgr_cb) {
+ if (lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
return -1;
- if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
+ if (lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
return -1;
}
- ff_lockmgr_cb = cb;
+ lockmgr_cb = cb;
- if (ff_lockmgr_cb) {
- if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
+ if (lockmgr_cb) {
+ if (lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
return -1;
- if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
+ if (lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
return -1;
}
return 0;
int avpriv_lock_avformat(void)
{
- if (ff_lockmgr_cb) {
- if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
+ if (lockmgr_cb) {
+ if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
return -1;
}
return 0;
int avpriv_unlock_avformat(void)
{
- if (ff_lockmgr_cb) {
- if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
+ if (lockmgr_cb) {
+ if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
return -1;
}
return 0;
unsigned int avpriv_toupper4(unsigned int x)
{
- return toupper(x & 0xFF)
- + (toupper((x >> 8) & 0xFF) << 8)
- + (toupper((x >> 16) & 0xFF) << 16)
- + (toupper((x >> 24) & 0xFF) << 24);
+ return av_toupper(x & 0xFF) +
+ (av_toupper((x >> 8) & 0xFF) << 8) +
+ (av_toupper((x >> 16) & 0xFF) << 16) +
+ (av_toupper((x >> 24) & 0xFF) << 24);
+}
+
+int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
+{
+ int ret;
+
+ dst->owner = src->owner;
+
+ ret = av_frame_ref(dst->f, src->f);
+ if (ret < 0)
+ return ret;
+
+ if (src->progress &&
+ !(dst->progress = av_buffer_ref(src->progress))) {
+ ff_thread_release_buffer(dst->owner, dst);
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
}
#if !HAVE_THREADS
-int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
+int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
f->owner = avctx;
- return avctx->get_buffer(avctx, f);
+ return ff_get_buffer(avctx, f->f, flags);
}
-void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
+void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
- f->owner->release_buffer(f->owner, f);
+ av_frame_unref(f->f);
}
void ff_thread_finish_setup(AVCodecContext *avctx)
{
}
-void ff_thread_report_progress(AVFrame *f, int progress, int field)
+void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
{
}
-void ff_thread_await_progress(AVFrame *f, int progress, int field)
+void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
{
}
{
return !!s->internal;
}
+
+const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
+ const uint8_t *end,
+ uint32_t * restrict state)
+{
+ int i;
+
+ assert(p <= end);
+ if (p >= end)
+ return end;
+
+ for (i = 0; i < 3; i++) {
+ uint32_t tmp = *state << 8;
+ *state = tmp + *(p++);
+ if (tmp == 0x100 || p == end)
+ return p;
+ }
+
+ while (p < end) {
+ if (p[-1] > 1 ) p += 3;
+ else if (p[-2] ) p += 2;
+ else if (p[-3]|(p[-1]-1)) p++;
+ else {
+ p++;
+ break;
+ }
+ }
+
+ p = FFMIN(p, end) - 4;
+ *state = AV_RB32(p);
+
+ return p + 4;
+}