Add m-esr52 at 52.6.0

1 files changed, 664 insertions, 0 deletions

diff --git a/media/ffvpx/libavcodec/avpacket.c b/media/ffvpx/libavcodec/avpacket.c
new file mode 100644
index 000000000..921868923
--- /dev/null
+++ b/media/ffvpx/libavcodec/avpacket.c
@@ -0,0 +1,664 @@
+/*
+ * AVPacket functions for libavcodec
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <string.h>
+
+#include "libavutil/avassert.h"
+#include "libavutil/common.h"
+#include "libavutil/internal.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/mem.h"
+#include "avcodec.h"
+#include "bytestream.h"
+#include "internal.h"
+
+void av_init_packet(AVPacket *pkt)
+{
+    pkt->pts                  = AV_NOPTS_VALUE;
+    pkt->dts                  = AV_NOPTS_VALUE;
+    pkt->pos                  = -1;
+    pkt->duration             = 0;
+#if FF_API_CONVERGENCE_DURATION
+FF_DISABLE_DEPRECATION_WARNINGS
+    pkt->convergence_duration = 0;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    pkt->flags                = 0;
+    pkt->stream_index         = 0;
+    pkt->buf                  = NULL;
+    pkt->side_data            = NULL;
+    pkt->side_data_elems      = 0;
+}
+
+AVPacket *av_packet_alloc(void)
+{
+    AVPacket *pkt = av_mallocz(sizeof(AVPacket));
+    if (!pkt)
+        return pkt;
+
+    av_packet_unref(pkt);
+
+    return pkt;
+}
+
+void av_packet_free(AVPacket **pkt)
+{
+    if (!pkt || !*pkt)
+        return;
+
+    av_packet_unref(*pkt);
+    av_freep(pkt);
+}
+
+static int packet_alloc(AVBufferRef **buf, int size)
+{
+    int ret;
+    if (size < 0 || size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+        return AVERROR(EINVAL);
+
+    ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);
+    if (ret < 0)
+        return ret;
+
+    memset((*buf)->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+    return 0;
+}
+
+int av_new_packet(AVPacket *pkt, int size)
+{
+    AVBufferRef *buf = NULL;
+    int ret = packet_alloc(&buf, size);
+    if (ret < 0)
+        return ret;
+
+    av_init_packet(pkt);
+    pkt->buf      = buf;
+    pkt->data     = buf->data;
+    pkt->size     = size;
+
+    return 0;
+}
+
+void av_shrink_packet(AVPacket *pkt, int size)
+{
+    if (pkt->size <= size)
+        return;
+    pkt->size = size;
+    memset(pkt->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+}
+
+int av_grow_packet(AVPacket *pkt, int grow_by)
+{
+    int new_size;
+    av_assert0((unsigned)pkt->size <= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
+    if ((unsigned)grow_by >
+        INT_MAX - (pkt->size + AV_INPUT_BUFFER_PADDING_SIZE))
+        return -1;
+
+    new_size = pkt->size + grow_by + AV_INPUT_BUFFER_PADDING_SIZE;
+    if (pkt->buf) {
+        size_t data_offset;
+        uint8_t *old_data = pkt->data;
+        if (pkt->data == NULL) {
+            data_offset = 0;
+            pkt->data = pkt->buf->data;
+        } else {
+            data_offset = pkt->data - pkt->buf->data;
+            if (data_offset > INT_MAX - new_size)
+                return -1;
+        }
+
+        if (new_size + data_offset > pkt->buf->size) {
+            int ret = av_buffer_realloc(&pkt->buf, new_size + data_offset);
+            if (ret < 0) {
+                pkt->data = old_data;
+                return ret;
+            }
+            pkt->data = pkt->buf->data + data_offset;
+        }
+    } else {
+        pkt->buf = av_buffer_alloc(new_size);
+        if (!pkt->buf)
+            return AVERROR(ENOMEM);
+        memcpy(pkt->buf->data, pkt->data, pkt->size);
+        pkt->data = pkt->buf->data;
+    }
+    pkt->size += grow_by;
+    memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+    return 0;
+}
+
+int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
+{
+    if (size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+        return AVERROR(EINVAL);
+
+    pkt->buf = av_buffer_create(data, size + AV_INPUT_BUFFER_PADDING_SIZE,
+                                av_buffer_default_free, NULL, 0);
+    if (!pkt->buf)
+        return AVERROR(ENOMEM);
+
+    pkt->data = data;
+    pkt->size = size;
+
+    return 0;
+}
+
+#if FF_API_AVPACKET_OLD_API
+FF_DISABLE_DEPRECATION_WARNINGS
+#define ALLOC_MALLOC(data, size) data = av_malloc(size)
+#define ALLOC_BUF(data, size)                \
+do {                                         \
+    av_buffer_realloc(&pkt->buf, size);      \
+    data = pkt->buf ? pkt->buf->data : NULL; \
+} while (0)
+
+#define DUP_DATA(dst, src, size, padding, ALLOC)                        \
+    do {                                                                \
+        void *data;                                                     \
+        if (padding) {                                                  \
+            if ((unsigned)(size) >                                      \
+                (unsigned)(size) + AV_INPUT_BUFFER_PADDING_SIZE)        \
+                goto failed_alloc;                                      \
+            ALLOC(data, size + AV_INPUT_BUFFER_PADDING_SIZE);           \
+        } else {                                                        \
+            ALLOC(data, size);                                          \
+        }                                                               \
+        if (!data)                                                      \
+            goto failed_alloc;                                          \
+        memcpy(data, src, size);                                        \
+        if (padding)                                                    \
+            memset((uint8_t *)data + size, 0,                           \
+                   AV_INPUT_BUFFER_PADDING_SIZE);                       \
+        dst = data;                                                     \
+    } while (0)
+
+/* Makes duplicates of data, side_data, but does not copy any other fields */
+static int copy_packet_data(AVPacket *pkt, const AVPacket *src, int dup)
+{
+    pkt->data      = NULL;
+    pkt->side_data = NULL;
+    if (pkt->buf) {
+        AVBufferRef *ref = av_buffer_ref(src->buf);
+        if (!ref)
+            return AVERROR(ENOMEM);
+        pkt->buf  = ref;
+        pkt->data = ref->data;
+    } else {
+        DUP_DATA(pkt->data, src->data, pkt->size, 1, ALLOC_BUF);
+    }
+    if (pkt->side_data_elems && dup)
+        pkt->side_data = src->side_data;
+    if (pkt->side_data_elems && !dup) {
+        return av_copy_packet_side_data(pkt, src);
+    }
+    return 0;
+
+failed_alloc:
+    av_packet_unref(pkt);
+    return AVERROR(ENOMEM);
+}
+
+int av_copy_packet_side_data(AVPacket *pkt, const AVPacket *src)
+{
+    if (src->side_data_elems) {
+        int i;
+        DUP_DATA(pkt->side_data, src->side_data,
+                src->side_data_elems * sizeof(*src->side_data), 0, ALLOC_MALLOC);
+        if (src != pkt) {
+            memset(pkt->side_data, 0,
+                   src->side_data_elems * sizeof(*src->side_data));
+        }
+        for (i = 0; i < src->side_data_elems; i++) {
+            DUP_DATA(pkt->side_data[i].data, src->side_data[i].data,
+                    src->side_data[i].size, 1, ALLOC_MALLOC);
+            pkt->side_data[i].size = src->side_data[i].size;
+            pkt->side_data[i].type = src->side_data[i].type;
+        }
+    }
+    pkt->side_data_elems = src->side_data_elems;
+    return 0;
+
+failed_alloc:
+    av_packet_unref(pkt);
+    return AVERROR(ENOMEM);
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+int av_dup_packet(AVPacket *pkt)
+{
+    AVPacket tmp_pkt;
+
+    if (!pkt->buf && pkt->data) {
+        tmp_pkt = *pkt;
+        return copy_packet_data(pkt, &tmp_pkt, 1);
+    }
+    return 0;
+}
+
+int av_copy_packet(AVPacket *dst, const AVPacket *src)
+{
+    *dst = *src;
+    return copy_packet_data(dst, src, 0);
+}
+
+void av_packet_free_side_data(AVPacket *pkt)
+{
+    int i;
+    for (i = 0; i < pkt->side_data_elems; i++)
+        av_freep(&pkt->side_data[i].data);
+    av_freep(&pkt->side_data);
+    pkt->side_data_elems = 0;
+}
+
+#if FF_API_AVPACKET_OLD_API
+FF_DISABLE_DEPRECATION_WARNINGS
+void av_free_packet(AVPacket *pkt)
+{
+    if (pkt) {
+        if (pkt->buf)
+            av_buffer_unref(&pkt->buf);
+        pkt->data            = NULL;
+        pkt->size            = 0;
+
+        av_packet_free_side_data(pkt);
+    }
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+                            uint8_t *data, size_t size)
+{
+    int elems = pkt->side_data_elems;
+
+    if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
+        return AVERROR(ERANGE);
+
+    pkt->side_data = av_realloc(pkt->side_data,
+                                (elems + 1) * sizeof(*pkt->side_data));
+    if (!pkt->side_data)
+        return AVERROR(ENOMEM);
+
+    pkt->side_data[elems].data = data;
+    pkt->side_data[elems].size = size;
+    pkt->side_data[elems].type = type;
+    pkt->side_data_elems++;
+
+    return 0;
+}
+
+
+uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+                                 int size)
+{
+    int ret;
+    uint8_t *data;
+
+    if ((unsigned)size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+        return NULL;
+    data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
+    if (!data)
+        return NULL;
+
+    ret = av_packet_add_side_data(pkt, type, data, size);
+    if (ret < 0) {
+        av_freep(&data);
+        return NULL;
+    }
+
+    return data;
+}
+
+uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+                                 int *size)
+{
+    int i;
+
+    for (i = 0; i < pkt->side_data_elems; i++) {
+        if (pkt->side_data[i].type == type) {
+            if (size)
+                *size = pkt->side_data[i].size;
+            return pkt->side_data[i].data;
+        }
+    }
+    return NULL;
+}
+
+const char *av_packet_side_data_name(enum AVPacketSideDataType type)
+{
+    switch(type) {
+    case AV_PKT_DATA_PALETTE:                    return "Palette";
+    case AV_PKT_DATA_NEW_EXTRADATA:              return "New Extradata";
+    case AV_PKT_DATA_PARAM_CHANGE:               return "Param Change";
+    case AV_PKT_DATA_H263_MB_INFO:               return "H263 MB Info";
+    case AV_PKT_DATA_REPLAYGAIN:                 return "Replay Gain";
+    case AV_PKT_DATA_DISPLAYMATRIX:              return "Display Matrix";
+    case AV_PKT_DATA_STEREO3D:                   return "Stereo 3D";
+    case AV_PKT_DATA_AUDIO_SERVICE_TYPE:         return "Audio Service Type";
+    case AV_PKT_DATA_SKIP_SAMPLES:               return "Skip Samples";
+    case AV_PKT_DATA_JP_DUALMONO:                return "JP Dual Mono";
+    case AV_PKT_DATA_STRINGS_METADATA:           return "Strings Metadata";
+    case AV_PKT_DATA_SUBTITLE_POSITION:          return "Subtitle Position";
+    case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL:   return "Matroska BlockAdditional";
+    case AV_PKT_DATA_WEBVTT_IDENTIFIER:          return "WebVTT ID";
+    case AV_PKT_DATA_WEBVTT_SETTINGS:            return "WebVTT Settings";
+    case AV_PKT_DATA_METADATA_UPDATE:            return "Metadata Update";
+    case AV_PKT_DATA_MPEGTS_STREAM_ID:           return "MPEGTS Stream ID";
+    case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
+    }
+    return NULL;
+}
+
+#define FF_MERGE_MARKER 0x8c4d9d108e25e9feULL
+
+int av_packet_merge_side_data(AVPacket *pkt){
+    if(pkt->side_data_elems){
+        AVBufferRef *buf;
+        int i;
+        uint8_t *p;
+        uint64_t size= pkt->size + 8LL + AV_INPUT_BUFFER_PADDING_SIZE;
+        AVPacket old= *pkt;
+        for (i=0; i<old.side_data_elems; i++) {
+            size += old.side_data[i].size + 5LL;
+        }
+        if (size > INT_MAX)
+            return AVERROR(EINVAL);
+        buf = av_buffer_alloc(size);
+        if (!buf)
+            return AVERROR(ENOMEM);
+        pkt->buf = buf;
+        pkt->data = p = buf->data;
+        pkt->size = size - AV_INPUT_BUFFER_PADDING_SIZE;
+        bytestream_put_buffer(&p, old.data, old.size);
+        for (i=old.side_data_elems-1; i>=0; i--) {
+            bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size);
+            bytestream_put_be32(&p, old.side_data[i].size);
+            *p++ = old.side_data[i].type | ((i==old.side_data_elems-1)*128);
+        }
+        bytestream_put_be64(&p, FF_MERGE_MARKER);
+        av_assert0(p-pkt->data == pkt->size);
+        memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+        av_packet_unref(&old);
+        pkt->side_data_elems = 0;
+        pkt->side_data = NULL;
+        return 1;
+    }
+    return 0;
+}
+
+int av_packet_split_side_data(AVPacket *pkt){
+    if (!pkt->side_data_elems && pkt->size >12 && AV_RB64(pkt->data + pkt->size - 8) == FF_MERGE_MARKER){
+        int i;
+        unsigned int size;
+        uint8_t *p;
+
+        p = pkt->data + pkt->size - 8 - 5;
+        for (i=1; ; i++){
+            size = AV_RB32(p);
+            if (size>INT_MAX - 5 || p - pkt->data < size)
+                return 0;
+            if (p[4]&128)
+                break;
+            if (p - pkt->data < size + 5)
+                return 0;
+            p-= size+5;
+        }
+
+        pkt->side_data = av_malloc_array(i, sizeof(*pkt->side_data));
+        if (!pkt->side_data)
+            return AVERROR(ENOMEM);
+
+        p= pkt->data + pkt->size - 8 - 5;
+        for (i=0; ; i++){
+            size= AV_RB32(p);
+            av_assert0(size<=INT_MAX - 5 && p - pkt->data >= size);
+            pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
+            pkt->side_data[i].size = size;
+            pkt->side_data[i].type = p[4]&127;
+            if (!pkt->side_data[i].data)
+                return AVERROR(ENOMEM);
+            memcpy(pkt->side_data[i].data, p-size, size);
+            pkt->size -= size + 5;
+            if(p[4]&128)
+                break;
+            p-= size+5;
+        }
+        pkt->size -= 8;
+        pkt->side_data_elems = i+1;
+        return 1;
+    }
+    return 0;
+}
+
+uint8_t *av_packet_pack_dictionary(AVDictionary *dict, int *size)
+{
+    AVDictionaryEntry *t = NULL;
+    uint8_t *data = NULL;
+    *size = 0;
+
+    if (!dict)
+        return NULL;
+
+    while ((t = av_dict_get(dict, "", t, AV_DICT_IGNORE_SUFFIX))) {
+        const size_t keylen   = strlen(t->key);
+        const size_t valuelen = strlen(t->value);
+        const size_t new_size = *size + keylen + 1 + valuelen + 1;
+        uint8_t *const new_data = av_realloc(data, new_size);
+
+        if (!new_data)
+            goto fail;
+        data = new_data;
+        if (new_size > INT_MAX)
+            goto fail;
+
+        memcpy(data + *size, t->key, keylen + 1);
+        memcpy(data + *size + keylen + 1, t->value, valuelen + 1);
+
+        *size = new_size;
+    }
+
+    return data;
+
+fail:
+    av_freep(&data);
+    *size = 0;
+    return NULL;
+}
+
+int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **dict)
+{
+    const uint8_t *end = data + size;
+    int ret = 0;
+
+    if (!dict || !data || !size)
+        return ret;
+    if (size && end[-1])
+        return AVERROR_INVALIDDATA;
+    while (data < end) {
+        const uint8_t *key = data;
+        const uint8_t *val = data + strlen(key) + 1;
+
+        if (val >= end)
+            return AVERROR_INVALIDDATA;
+
+        ret = av_dict_set(dict, key, val, 0);
+        if (ret < 0)
+            break;
+        data = val + strlen(val) + 1;
+    }
+
+    return ret;
+}
+
+int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+                               int size)
+{
+    int i;
+
+    for (i = 0; i < pkt->side_data_elems; i++) {
+        if (pkt->side_data[i].type == type) {
+            if (size > pkt->side_data[i].size)
+                return AVERROR(ENOMEM);
+            pkt->side_data[i].size = size;
+            return 0;
+        }
+    }
+    return AVERROR(ENOENT);
+}
+
+int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
+{
+    int i;
+
+    dst->pts                  = src->pts;
+    dst->dts                  = src->dts;
+    dst->pos                  = src->pos;
+    dst->duration             = src->duration;
+#if FF_API_CONVERGENCE_DURATION
+FF_DISABLE_DEPRECATION_WARNINGS
+    dst->convergence_duration = src->convergence_duration;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    dst->flags                = src->flags;
+    dst->stream_index         = src->stream_index;
+
+    for (i = 0; i < src->side_data_elems; i++) {
+         enum AVPacketSideDataType type = src->side_data[i].type;
+         int size          = src->side_data[i].size;
+         uint8_t *src_data = src->side_data[i].data;
+         uint8_t *dst_data = av_packet_new_side_data(dst, type, size);
+
+        if (!dst_data) {
+            av_packet_free_side_data(dst);
+            return AVERROR(ENOMEM);
+        }
+        memcpy(dst_data, src_data, size);
+    }
+
+    return 0;
+}
+
+void av_packet_unref(AVPacket *pkt)
+{
+    av_packet_free_side_data(pkt);
+    av_buffer_unref(&pkt->buf);
+    av_init_packet(pkt);
+    pkt->data = NULL;
+    pkt->size = 0;
+}
+
+int av_packet_ref(AVPacket *dst, const AVPacket *src)
+{
+    int ret;
+
+    ret = av_packet_copy_props(dst, src);
+    if (ret < 0)
+        return ret;
+
+    if (!src->buf) {
+        ret = packet_alloc(&dst->buf, src->size);
+        if (ret < 0)
+            goto fail;
+        memcpy(dst->buf->data, src->data, src->size);
+
+        dst->data = dst->buf->data;
+    } else {
+        dst->buf = av_buffer_ref(src->buf);
+        if (!dst->buf) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+        dst->data = src->data;
+    }
+
+    dst->size = src->size;
+
+    return 0;
+fail:
+    av_packet_free_side_data(dst);
+    return ret;
+}
+
+AVPacket *av_packet_clone(AVPacket *src)
+{
+    AVPacket *ret = av_packet_alloc();
+
+    if (!ret)
+        return ret;
+
+    if (av_packet_ref(ret, src))
+        av_packet_free(&ret);
+
+    return ret;
+}
+
+void av_packet_move_ref(AVPacket *dst, AVPacket *src)
+{
+    *dst = *src;
+    av_init_packet(src);
+    src->data = NULL;
+    src->size = 0;
+}
+
+void av_packet_rescale_ts(AVPacket *pkt, AVRational src_tb, AVRational dst_tb)
+{
+    if (pkt->pts != AV_NOPTS_VALUE)
+        pkt->pts = av_rescale_q(pkt->pts, src_tb, dst_tb);
+    if (pkt->dts != AV_NOPTS_VALUE)
+        pkt->dts = av_rescale_q(pkt->dts, src_tb, dst_tb);
+    if (pkt->duration > 0)
+        pkt->duration = av_rescale_q(pkt->duration, src_tb, dst_tb);
+#if FF_API_CONVERGENCE_DURATION
+FF_DISABLE_DEPRECATION_WARNINGS
+    if (pkt->convergence_duration > 0)
+        pkt->convergence_duration = av_rescale_q(pkt->convergence_duration, src_tb, dst_tb);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+}
+
+int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
+{
+    uint8_t *side_data;
+    int side_data_size;
+    int i;
+
+    side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_STATS, &side_data_size);
+    if (!side_data) {
+        side_data_size = 4+4+8*error_count;
+        side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_QUALITY_STATS,
+                                            side_data_size);
+    }
+
+    if (!side_data || side_data_size < 4+4+8*error_count)
+        return AVERROR(ENOMEM);
+
+    AV_WL32(side_data   , quality  );
+    side_data[4] = pict_type;
+    side_data[5] = error_count;
+    for (i = 0; i<error_count; i++)
+        AV_WL64(side_data+8 + 8*i , error[i]);
+
+    return 0;
+}