]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/libschroedingerdec.c
lavc: export the timestamps when decoding in AVFrame.pts
[ffmpeg] / libavcodec / libschroedingerdec.c
index 1e632de01730fb6dcc58205234d9ef5fd499d4f1..f173f92f043b68605bb88742ea5e587399498a7a 100644 (file)
 * (http://dirac.sourceforge.net/specification.html).
 */
 
+#include <string.h>
+
 #include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
 #include "avcodec.h"
-#include "libdirac_libschro.h"
+#include "internal.h"
 #include "libschroedinger.h"
 
-#undef NDEBUG
-#include <assert.h>
-
-
 #include <schroedinger/schro.h>
 #include <schroedinger/schrodebug.h>
 #include <schroedinger/schrovideoformat.h>
 
+/** SchroFrame and Pts relation */
+typedef struct LibSchroFrameContext {
+     SchroFrame *frame;
+     int64_t pts;
+} LibSchroFrameContext;
+
 /** libschroedinger decoder private data */
 typedef struct SchroDecoderParams {
     /** Schroedinger video format */
@@ -52,16 +59,13 @@ typedef struct SchroDecoderParams {
     SchroDecoder* decoder;
 
     /** queue storing decoded frames */
-    DiracSchroQueue dec_frame_queue;
+    FFSchroQueue dec_frame_queue;
 
     /** end of sequence signalled */
     int eos_signalled;
 
     /** end of sequence pulled */
     int eos_pulled;
-
-    /** decoded picture */
-    AVPicture dec_pic;
 } SchroDecoderParams;
 
 typedef struct SchroParseUnitContext {
@@ -76,14 +80,14 @@ static void libschroedinger_decode_buffer_free(SchroBuffer *schro_buf,
     av_freep(&priv);
 }
 
-static void SchroParseContextInit(SchroParseUnitContext *parse_ctx,
-                                  const uint8_t *buf, int buf_size)
+static void parse_context_init(SchroParseUnitContext *parse_ctx,
+                               const uint8_t *buf, int buf_size)
 {
     parse_ctx->buf           = buf;
     parse_ctx->buf_size      = buf_size;
 }
 
-static SchroBuffer *FindNextSchroParseUnit(SchroParseUnitContext *parse_ctx)
+static SchroBuffer *find_next_parse_unit(SchroParseUnitContext *parse_ctx)
 {
     SchroBuffer *enc_buf = NULL;
     int next_pu_offset = 0;
@@ -128,7 +132,7 @@ static SchroBuffer *FindNextSchroParseUnit(SchroParseUnitContext *parse_ctx)
 /**
 * Returns Libav chroma format.
 */
-static enum PixelFormat get_chroma_format(SchroChromaFormat schro_pix_fmt)
+static enum AVPixelFormat get_chroma_format(SchroChromaFormat schro_pix_fmt)
 {
     int num_formats = sizeof(schro_pixel_format_map) /
                       sizeof(schro_pixel_format_map[0]);
@@ -137,17 +141,17 @@ static enum PixelFormat get_chroma_format(SchroChromaFormat schro_pix_fmt)
     for (idx = 0; idx < num_formats; ++idx)
         if (schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt)
             return schro_pixel_format_map[idx].ff_pix_fmt;
-    return PIX_FMT_NONE;
+    return AV_PIX_FMT_NONE;
 }
 
-static av_cold int libschroedinger_decode_init(AVCodecContext *avccontext)
+static av_cold int libschroedinger_decode_init(AVCodecContext *avctx)
 {
 
-    SchroDecoderParams *p_schro_params = avccontext->priv_data;
+    SchroDecoderParams *p_schro_params = avctx->priv_data;
     /* First of all, initialize our supporting libraries. */
     schro_init();
 
-    schro_debug_set_level(avccontext->debug);
+    schro_debug_set_level(avctx->debug);
     p_schro_params->decoder = schro_decoder_new();
     schro_decoder_set_skip_ratio(p_schro_params->decoder, 1);
 
@@ -155,7 +159,7 @@ static av_cold int libschroedinger_decode_init(AVCodecContext *avccontext)
         return -1;
 
     /* Initialize the decoded frame queue. */
-    ff_dirac_schro_queue_init(&p_schro_params->dec_frame_queue);
+    ff_schro_queue_init(&p_schro_params->dec_frame_queue);
     return 0;
 }
 
@@ -164,63 +168,60 @@ static void libschroedinger_decode_frame_free(void *frame)
     schro_frame_unref(frame);
 }
 
-static void libschroedinger_handle_first_access_unit(AVCodecContext *avccontext)
+static void libschroedinger_handle_first_access_unit(AVCodecContext *avctx)
 {
-    SchroDecoderParams *p_schro_params = avccontext->priv_data;
+    SchroDecoderParams *p_schro_params = avctx->priv_data;
     SchroDecoder *decoder = p_schro_params->decoder;
 
     p_schro_params->format = schro_decoder_get_video_format(decoder);
 
     /* Tell Libav about sequence details. */
-    if (av_image_check_size(p_schro_params->format->width, p_schro_params->format->height,
-                            0, avccontext) < 0) {
-        av_log(avccontext, AV_LOG_ERROR, "invalid dimensions (%dx%d)\n",
+    if (av_image_check_size(p_schro_params->format->width,
+                            p_schro_params->format->height, 0, avctx) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "invalid dimensions (%dx%d)\n",
                p_schro_params->format->width, p_schro_params->format->height);
-        avccontext->height = avccontext->width = 0;
+        avctx->height = avctx->width = 0;
         return;
     }
-    avccontext->height  = p_schro_params->format->height;
-    avccontext->width   = p_schro_params->format->width;
-    avccontext->pix_fmt = get_chroma_format(p_schro_params->format->chroma_format);
+    avctx->height  = p_schro_params->format->height;
+    avctx->width   = p_schro_params->format->width;
+    avctx->pix_fmt = get_chroma_format(p_schro_params->format->chroma_format);
 
     if (ff_get_schro_frame_format(p_schro_params->format->chroma_format,
                                   &p_schro_params->frame_format) == -1) {
-        av_log(avccontext, AV_LOG_ERROR,
+        av_log(avctx, AV_LOG_ERROR,
                "This codec currently only supports planar YUV 4:2:0, 4:2:2 "
                "and 4:4:4 formats.\n");
         return;
     }
 
-    avccontext->time_base.den = p_schro_params->format->frame_rate_numerator;
-    avccontext->time_base.num = p_schro_params->format->frame_rate_denominator;
-
-    if (!p_schro_params->dec_pic.data[0])
-        avpicture_alloc(&p_schro_params->dec_pic,
-                        avccontext->pix_fmt,
-                        avccontext->width,
-                        avccontext->height);
+    avctx->framerate.num = p_schro_params->format->frame_rate_numerator;
+    avctx->framerate.den = p_schro_params->format->frame_rate_denominator;
 }
 
-static int libschroedinger_decode_frame(AVCodecContext *avccontext,
-                                        void *data, int *data_size,
+static int libschroedinger_decode_frame(AVCodecContext *avctx,
+                                        void *data, int *got_frame,
                                         AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
+    int64_t pts  = avpkt->pts;
+    SchroTag *tag;
 
-    SchroDecoderParams *p_schro_params = avccontext->priv_data;
+    SchroDecoderParams *p_schro_params = avctx->priv_data;
     SchroDecoder *decoder = p_schro_params->decoder;
-    AVPicture *picture = data;
     SchroBuffer *enc_buf;
     SchroFrame* frame;
+    AVFrame *avframe = data;
     int state;
     int go = 1;
     int outer = 1;
     SchroParseUnitContext parse_ctx;
+    LibSchroFrameContext *framewithpts = NULL;
 
-    *data_size = 0;
+    *got_frame = 0;
 
-    SchroParseContextInit(&parse_ctx, buf, buf_size);
+    parse_context_init(&parse_ctx, buf, buf_size);
     if (!buf_size) {
         if (!p_schro_params->eos_signalled) {
             state = schro_decoder_push_end_of_stream(decoder);
@@ -230,14 +231,21 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
 
     /* Loop through all the individual parse units in the input buffer */
     do {
-        if ((enc_buf = FindNextSchroParseUnit(&parse_ctx))) {
+        if ((enc_buf = find_next_parse_unit(&parse_ctx))) {
+            /* Set Schrotag with the pts to be recovered after decoding*/
+            enc_buf->tag = schro_tag_new(av_malloc(sizeof(int64_t)), av_free);
+            if (!enc_buf->tag->value) {
+                av_log(avctx, AV_LOG_ERROR, "Unable to allocate SchroTag\n");
+                return AVERROR(ENOMEM);
+            }
+            AV_WN(64, enc_buf->tag->value, pts);
             /* Push buffer into decoder. */
             if (SCHRO_PARSE_CODE_IS_PICTURE(enc_buf->data[4]) &&
                 SCHRO_PARSE_CODE_NUM_REFS(enc_buf->data[4]) > 0)
-                avccontext->has_b_frames = 1;
+                avctx->has_b_frames = 1;
             state = schro_decoder_push(decoder, enc_buf);
             if (state == SCHRO_DECODER_FIRST_ACCESS_UNIT)
-                libschroedinger_handle_first_access_unit(avccontext);
+                libschroedinger_handle_first_access_unit(avctx);
             go = 1;
         } else
             outer = 0;
@@ -247,7 +255,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
             state = schro_decoder_wait(decoder);
             switch (state) {
             case SCHRO_DECODER_FIRST_ACCESS_UNIT:
-                libschroedinger_handle_first_access_unit(avccontext);
+                libschroedinger_handle_first_access_unit(avctx);
                 break;
 
             case SCHRO_DECODER_NEED_BITS:
@@ -257,18 +265,30 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
 
             case SCHRO_DECODER_NEED_FRAME:
                 /* Decoder needs a frame - create one and push it in. */
-                frame = ff_create_schro_frame(avccontext,
+                frame = ff_create_schro_frame(avctx,
                                               p_schro_params->frame_format);
+                if (!frame)
+                    return AVERROR(ENOMEM);
                 schro_decoder_add_output_picture(decoder, frame);
                 break;
 
             case SCHRO_DECODER_OK:
                 /* Pull a frame out of the decoder. */
+                tag   = schro_decoder_get_picture_tag(decoder);
                 frame = schro_decoder_pull(decoder);
 
-                if (frame)
-                    ff_dirac_schro_queue_push_back(&p_schro_params->dec_frame_queue,
-                                                   frame);
+                if (frame) {
+                    /* Add relation between schroframe and pts. */
+                    framewithpts = av_malloc(sizeof(LibSchroFrameContext));
+                    if (!framewithpts) {
+                        av_log(avctx, AV_LOG_ERROR, "Unable to allocate FrameWithPts\n");
+                        return AVERROR(ENOMEM);
+                    }
+                    framewithpts->frame = frame;
+                    framewithpts->pts   = AV_RN64(tag->value);
+                    ff_schro_queue_push_back(&p_schro_params->dec_frame_queue,
+                                             framewithpts);
+                }
                 break;
             case SCHRO_DECODER_EOS:
                 go = 0;
@@ -285,62 +305,75 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
     } while (outer);
 
     /* Grab next frame to be returned from the top of the queue. */
-    frame = ff_dirac_schro_queue_pop(&p_schro_params->dec_frame_queue);
+    framewithpts = ff_schro_queue_pop(&p_schro_params->dec_frame_queue);
+
+    if (framewithpts && framewithpts->frame) {
+        if (ff_get_buffer(avctx, avframe, 0) < 0) {
+            av_log(avctx, AV_LOG_ERROR, "Unable to allocate buffer\n");
+            return AVERROR(ENOMEM);
+        }
 
-    if (frame) {
-        memcpy(p_schro_params->dec_pic.data[0],
-               frame->components[0].data,
-               frame->components[0].length);
+        memcpy(avframe->data[0],
+               framewithpts->frame->components[0].data,
+               framewithpts->frame->components[0].length);
 
-        memcpy(p_schro_params->dec_pic.data[1],
-               frame->components[1].data,
-               frame->components[1].length);
+        memcpy(avframe->data[1],
+               framewithpts->frame->components[1].data,
+               framewithpts->frame->components[1].length);
 
-        memcpy(p_schro_params->dec_pic.data[2],
-               frame->components[2].data,
-               frame->components[2].length);
+        memcpy(avframe->data[2],
+               framewithpts->frame->components[2].data,
+               framewithpts->frame->components[2].length);
 
-        /* Fill picture with current buffer data from Schroedinger. */
-        avpicture_fill(picture, p_schro_params->dec_pic.data[0],
-                       avccontext->pix_fmt,
-                       avccontext->width, avccontext->height);
+        /* Fill frame with current buffer data from Schroedinger. */
+        avframe->pts = framewithpts->pts;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+        avframe->pkt_pts = avframe->pts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+        avframe->linesize[0] = framewithpts->frame->components[0].stride;
+        avframe->linesize[1] = framewithpts->frame->components[1].stride;
+        avframe->linesize[2] = framewithpts->frame->components[2].stride;
 
-        *data_size = sizeof(AVPicture);
+        *got_frame      = 1;
 
         /* Now free the frame resources. */
-        libschroedinger_decode_frame_free(frame);
+        libschroedinger_decode_frame_free(framewithpts->frame);
+        av_free(framewithpts);
+    } else {
+        data       = NULL;
+        *got_frame = 0;
     }
     return buf_size;
 }
 
 
-static av_cold int libschroedinger_decode_close(AVCodecContext *avccontext)
+static av_cold int libschroedinger_decode_close(AVCodecContext *avctx)
 {
-    SchroDecoderParams *p_schro_params = avccontext->priv_data;
+    SchroDecoderParams *p_schro_params = avctx->priv_data;
     /* Free the decoder. */
     schro_decoder_free(p_schro_params->decoder);
     av_freep(&p_schro_params->format);
 
-    avpicture_free(&p_schro_params->dec_pic);
-
     /* Free data in the output frame queue. */
-    ff_dirac_schro_queue_free(&p_schro_params->dec_frame_queue,
-                              libschroedinger_decode_frame_free);
+    ff_schro_queue_free(&p_schro_params->dec_frame_queue,
+                        libschroedinger_decode_frame_free);
 
     return 0;
 }
 
-static void libschroedinger_flush(AVCodecContext *avccontext)
+static void libschroedinger_flush(AVCodecContext *avctx)
 {
     /* Got a seek request. Free the decoded frames queue and then reset
      * the decoder */
-    SchroDecoderParams *p_schro_params = avccontext->priv_data;
+    SchroDecoderParams *p_schro_params = avctx->priv_data;
 
     /* Free data in the output frame queue. */
-    ff_dirac_schro_queue_free(&p_schro_params->dec_frame_queue,
-                              libschroedinger_decode_frame_free);
+    ff_schro_queue_free(&p_schro_params->dec_frame_queue,
+                        libschroedinger_decode_frame_free);
 
-    ff_dirac_schro_queue_init(&p_schro_params->dec_frame_queue);
+    ff_schro_queue_init(&p_schro_params->dec_frame_queue);
     schro_decoder_reset(p_schro_params->decoder);
     p_schro_params->eos_pulled = 0;
     p_schro_params->eos_signalled = 0;
@@ -348,13 +381,13 @@ static void libschroedinger_flush(AVCodecContext *avccontext)
 
 AVCodec ff_libschroedinger_decoder = {
     .name           = "libschroedinger",
+    .long_name      = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
     .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_DIRAC,
+    .id             = AV_CODEC_ID_DIRAC,
     .priv_data_size = sizeof(SchroDecoderParams),
     .init           = libschroedinger_decode_init,
     .close          = libschroedinger_decode_close,
     .decode         = libschroedinger_decode_frame,
-    .capabilities   = CODEC_CAP_DELAY,
+    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1,
     .flush          = libschroedinger_flush,
-    .long_name      = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
 };